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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hep-ph/9409299 | Judah M. Eisenberg | G. Kaelbermann, J.M. Eisenberg, Andreas Schaefer | Proton spin content from skyrmions | 8 pages | Phys.Lett.B339:211-214,1994 | 10.1016/0370-2693(94)90633-5 | null | hep-ph nucl-th | null | It is well known that in lowest order the skyrmion model of the nucleon gives
vanishing spin content. With new data indicating a proton spin content
$\Delta\Sigma = 0.22\pm 0.14,$ it is an increasing challenge to find ways in
which the skyrmion can move away from the null result. We show here that a
particular term i... | [
{
"created": "Tue, 13 Sep 1994 12:52:03 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Kaelbermann",
"G.",
""
],
[
"Eisenberg",
"J. M.",
""
],
[
"Schaefer",
"Andreas",
""
]
] | It is well known that in lowest order the skyrmion model of the nucleon gives vanishing spin content. With new data indicating a proton spin content $\Delta\Sigma = 0.22\pm 0.14,$ it is an increasing challenge to find ways in which the skyrmion can move away from the null result. We show here that a particular term in ... |
hep-ph/0009258 | Jens Ole Schmitt | Jens Ole Schmitt, Gouranga C. Nayak, Horst Stoecker and Walter Greiner | Bottom and Charm Production at LHC and RHIC | 8 pages latex (single spaced), 4 postscript figures, title changed,
minor modifications, submitted to PLB | Phys.Lett.B498:163-168,2001 | 10.1016/S0370-2693(00)01340-X | null | hep-ph nucl-th | null | We study $b\bar{b}$ and $c\bar{c}$ production and the influence of nuclear
shadowing at LHC and RHIC energies. We find a significant reduction in the
production cross section of both charm and bottom at RHIC and LHC. Bound states
such as $\Upsilon$ and $J/\Psi$ are suppressed by this reduction in the charm
production... | [
{
"created": "Thu, 21 Sep 2000 18:23:46 GMT",
"version": "v1"
},
{
"created": "Sat, 11 Nov 2000 18:29:35 GMT",
"version": "v2"
}
] | 2011-01-25 | [
[
"Schmitt",
"Jens Ole",
""
],
[
"Nayak",
"Gouranga C.",
""
],
[
"Stoecker",
"Horst",
""
],
[
"Greiner",
"Walter",
""
]
] | We study $b\bar{b}$ and $c\bar{c}$ production and the influence of nuclear shadowing at LHC and RHIC energies. We find a significant reduction in the production cross section of both charm and bottom at RHIC and LHC. Bound states such as $\Upsilon$ and $J/\Psi$ are suppressed by this reduction in the charm production c... |
2107.07132 | Mikko Laine | G. Jackson and M. Laine | Efficient numerical integration of thermal interaction rates | 48 pages, programs as ancillary files. v2: clarifications added | JHEP 09 (2021) 125 | 10.1007/JHEP09(2021)125 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In many problems in particle cosmology, interaction rates are dominated by
${2}\leftrightarrow{2}$ scatterings, or get a substantial contribution from
them, given that ${1}\leftrightarrow{2}$ and ${1}\leftrightarrow{3}$ reactions
are phase-space suppressed. We describe an algorithm to represent, regularize,
and evalu... | [
{
"created": "Thu, 15 Jul 2021 05:34:19 GMT",
"version": "v1"
},
{
"created": "Fri, 24 Sep 2021 08:11:20 GMT",
"version": "v2"
}
] | 2021-09-27 | [
[
"Jackson",
"G.",
""
],
[
"Laine",
"M.",
""
]
] | In many problems in particle cosmology, interaction rates are dominated by ${2}\leftrightarrow{2}$ scatterings, or get a substantial contribution from them, given that ${1}\leftrightarrow{2}$ and ${1}\leftrightarrow{3}$ reactions are phase-space suppressed. We describe an algorithm to represent, regularize, and evaluat... |
hep-ph/0512139 | Alexander Kartavtsev | E. A. Paschos, A. Kartavtsev, G.J. Gounaris | Coherent pion production by neutrinos on nuclei | 18 pages, 4 figures | Phys.Rev.D74:054007,2006 | 10.1103/PhysRevD.74.054007 | DO-TH 06/03 | hep-ph | null | The main part of coherent pion production by neutrinos on nuclei is
essentially determined by PCAC, provided that the leptonic momentum transferred
square Q^2 remains sufficiently small. We give the formulas for the charged and
neutral current cross sections, including also the small non-PCAC transverse
current contr... | [
{
"created": "Mon, 12 Dec 2005 10:25:55 GMT",
"version": "v1"
},
{
"created": "Thu, 29 Dec 2005 16:23:58 GMT",
"version": "v2"
},
{
"created": "Wed, 28 Jun 2006 13:24:26 GMT",
"version": "v3"
},
{
"created": "Wed, 23 Aug 2006 09:35:42 GMT",
"version": "v4"
}
] | 2008-11-26 | [
[
"Paschos",
"E. A.",
""
],
[
"Kartavtsev",
"A.",
""
],
[
"Gounaris",
"G. J.",
""
]
] | The main part of coherent pion production by neutrinos on nuclei is essentially determined by PCAC, provided that the leptonic momentum transferred square Q^2 remains sufficiently small. We give the formulas for the charged and neutral current cross sections, including also the small non-PCAC transverse current contrib... |
1701.05379 | Roc\'io del Rey Bajo | I. Brivio, M.B. Gavela, L. Merlo, K. Mimasu, J.M. No, R. del Rey,
V.Sanz | ALPs Effective Field Theory and Collider Signatures | 66 pages, 15 figures; Version accepted for publication in EPJC | null | 10.1140/epjc/s10052-017-5111-3 | IFT-UAM/CSIC-16-141, KCL-PH-TH/2016-72, FTUAM-16-49, CP3-17-04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the leading effective interactions between the Standard Model fields
and a generic singlet CP-odd (pseudo)Goldstone boson. Two possible frameworks
for electroweak symmetry breaking are considered: linear and non-linear. For
the latter case, the basis of leading effective operators is determined and
compared ... | [
{
"created": "Thu, 19 Jan 2017 11:54:16 GMT",
"version": "v1"
},
{
"created": "Tue, 31 Jan 2017 22:13:47 GMT",
"version": "v2"
},
{
"created": "Thu, 7 Sep 2017 11:43:09 GMT",
"version": "v3"
}
] | 2017-09-13 | [
[
"Brivio",
"I.",
""
],
[
"Gavela",
"M. B.",
""
],
[
"Merlo",
"L.",
""
],
[
"Mimasu",
"K.",
""
],
[
"No",
"J. M.",
""
],
[
"del Rey",
"R.",
""
],
[
"Sanz",
"V.",
""
]
] | We study the leading effective interactions between the Standard Model fields and a generic singlet CP-odd (pseudo)Goldstone boson. Two possible frameworks for electroweak symmetry breaking are considered: linear and non-linear. For the latter case, the basis of leading effective operators is determined and compared wi... |
1301.2336 | Jason Evans | Biplob Bhattacherjee, Jason L. Evans, Masahiro Ibe, Shigeki Matsumoto,
and Tsutomu T. Yanagida | Natural SUSY's Last Hope: R-parity Violation via UDD Operators | null | null | 10.1103/PhysRevD.87.115002 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Here, we give a broad overview of the more natural spectra allowed by the LHC
when UDD R-parity violation is allowed. Because R-parity violation removes the
missing energy signals in colliders, the experimental constraints on the
gluino, stops, sbottoms and higgsinos are relatively mild. We also show that
UDD R-parit... | [
{
"created": "Thu, 10 Jan 2013 21:31:52 GMT",
"version": "v1"
}
] | 2015-06-12 | [
[
"Bhattacherjee",
"Biplob",
""
],
[
"Evans",
"Jason L.",
""
],
[
"Ibe",
"Masahiro",
""
],
[
"Matsumoto",
"Shigeki",
""
],
[
"Yanagida",
"Tsutomu T.",
""
]
] | Here, we give a broad overview of the more natural spectra allowed by the LHC when UDD R-parity violation is allowed. Because R-parity violation removes the missing energy signals in colliders, the experimental constraints on the gluino, stops, sbottoms and higgsinos are relatively mild. We also show that UDD R-parity ... |
1412.8076 | Ludwik Turko | Ludwik Turko | The same key to different doors - temperature puzzles | 8 pages, Lecture at the 32th Max-Born-Symposium and HECOLS workshop
on "Three Days of Phase Transitions in Compact Stars, Heavy-Ion Collisions
and Supernovae", Wroc\l{}aw, Poland, February 17--19, 2014 | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The notion of temperature in many body elementary particle processes is in a
common use for decades. Thermal models have become simple and universal
effective tools to describe particle production -- not only in high energy
heavy ion collisions but also in high energy elementary particle collisions. We
perform a crit... | [
{
"created": "Sat, 27 Dec 2014 19:25:47 GMT",
"version": "v1"
}
] | 2014-12-30 | [
[
"Turko",
"Ludwik",
""
]
] | The notion of temperature in many body elementary particle processes is in a common use for decades. Thermal models have become simple and universal effective tools to describe particle production -- not only in high energy heavy ion collisions but also in high energy elementary particle collisions. We perform a critic... |
1404.4737 | Ryo Takahashi | Naoyuki Haba and Ryo Takahashi | Higgs inflation with singlet scalar dark matter and right-handed
neutrino in light of BICEP2 | 9 pages, 2 figures, final version | Phys. Rev. D 89, 115009 (2014) | 10.1103/PhysRevD.89.115009 | SU-HET-04-2014 | hep-ph astro-ph.CO hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the Higgs inflation scenario with singlet scalar dark matter and a
right-handed neutrino. The singlet scalar and the right-handed neutrino play
crucial roles for realizing a suitable plateau of Higgs potential with the
center value of the top mass of Tevatron and LHC measurements. This Higgs
inflation scen... | [
{
"created": "Fri, 18 Apr 2014 10:12:44 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Aug 2014 04:14:43 GMT",
"version": "v2"
}
] | 2014-08-13 | [
[
"Haba",
"Naoyuki",
""
],
[
"Takahashi",
"Ryo",
""
]
] | We discuss the Higgs inflation scenario with singlet scalar dark matter and a right-handed neutrino. The singlet scalar and the right-handed neutrino play crucial roles for realizing a suitable plateau of Higgs potential with the center value of the top mass of Tevatron and LHC measurements. This Higgs inflation scenar... |
hep-ph/9504432 | null | A.I. Davydychev and J.B. Tausk | Two-loop vacuum diagrams and tensor decomposition | 7 pages, plain LaTex, no figures; ps file available by anonymous ftp
at ftp://vsfys1.fi.uib.no/anonymous/pub/bergen95-06.ps ; to appear in
Proceedings of the AIHENP-95 conference, Pisa, April 1995 (World Scientific,
Singapore, 1995) | null | null | Mainz and Bergen preprint MZ-TH-95-13, BERGEN-1995-06 | hep-ph hep-th | null | General algorithms for tensor reduction of two-loop massive vacuum diagrams
are discussed. Some explicit useful formulae are presented.
| [
{
"created": "Sat, 29 Apr 1995 19:56:44 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Davydychev",
"A. I.",
""
],
[
"Tausk",
"J. B.",
""
]
] | General algorithms for tensor reduction of two-loop massive vacuum diagrams are discussed. Some explicit useful formulae are presented. |
1209.5022 | Andrey Kozhushko | Alexey Gulov, Andrey Kozhushko | Two-parametric model-independent observables for $Z'$ searching at the
Tevatron | OBSOLETE VERSION! Please refer to arXiv:1409.1301 for a more recent
version with corrected errors. 10 pages, 11 figures, revtex; v2: minor text
improvements, references added | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a scheme of searches for the $Z'$ gauge boson as a virtual state
in scattering processes at the Tevatron taking into account model-independent
relations between the $Z'$ couplings to fermions. We integrate the Drell-Yan
process cross setion to construct two-parametric observables, which are
suitable for $Z... | [
{
"created": "Sat, 22 Sep 2012 22:01:18 GMT",
"version": "v1"
},
{
"created": "Fri, 5 Oct 2012 10:55:05 GMT",
"version": "v2"
},
{
"created": "Sat, 28 Mar 2015 10:34:00 GMT",
"version": "v3"
}
] | 2015-03-31 | [
[
"Gulov",
"Alexey",
""
],
[
"Kozhushko",
"Andrey",
""
]
] | We propose a scheme of searches for the $Z'$ gauge boson as a virtual state in scattering processes at the Tevatron taking into account model-independent relations between the $Z'$ couplings to fermions. We integrate the Drell-Yan process cross setion to construct two-parametric observables, which are suitable for $Z'$... |
2102.03989 | Hai-Bing Fu | Tao Zhong, Zhi-Hao Zhu, Hai-Bing Fu, Xing-Gang Wu, Tao Huang | An improved light-cone harmonic oscillator model for the pionic
leading-twist distribution amplitude | 15 pages, 6 figures, matches the version to appear in PRD | Phys. Rev. D 104, 016021 (2021) | 10.1103/PhysRevD.104.016021 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In this paper, we study the pion leading-twist distribution amplitude
$\phi_{2;\pi}(x,\mu)$ by improving the traditional light-cone harmonic
oscillator model within the reconstruction of the function
$\varphi_{2;\pi}(x)$. In order to constraining the model parameters, we
calculate its moments $\langle\xi^n\rangle_{2;... | [
{
"created": "Mon, 8 Feb 2021 03:47:42 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Jul 2021 17:41:40 GMT",
"version": "v2"
}
] | 2021-07-28 | [
[
"Zhong",
"Tao",
""
],
[
"Zhu",
"Zhi-Hao",
""
],
[
"Fu",
"Hai-Bing",
""
],
[
"Wu",
"Xing-Gang",
""
],
[
"Huang",
"Tao",
""
]
] | In this paper, we study the pion leading-twist distribution amplitude $\phi_{2;\pi}(x,\mu)$ by improving the traditional light-cone harmonic oscillator model within the reconstruction of the function $\varphi_{2;\pi}(x)$. In order to constraining the model parameters, we calculate its moments $\langle\xi^n\rangle_{2;\p... |
hep-ph/0009273 | Akushevich Igor | A.V. Afanasev, I. Akushevich, N.P.Merenkov | Radiative Correction to the Transferred Polarization in Elastic
Electron-Proton Scattering | 14 pages, 4 figures | Phys.Rev. D65 (2002) 013006 | 10.1103/PhysRevD.65.013006 | null | hep-ph | null | Model independent radiative correction to the recoil proton polarization for
the elastic electron-proton scattering is calculated within method of electron
structure functions. The explicit expressions for the recoil proton
polarization are represented as a contraction of the electron structure and the
hard part of t... | [
{
"created": "Fri, 22 Sep 2000 19:26:34 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Dec 2000 18:44:48 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Afanasev",
"A. V.",
""
],
[
"Akushevich",
"I.",
""
],
[
"Merenkov",
"N. P.",
""
]
] | Model independent radiative correction to the recoil proton polarization for the elastic electron-proton scattering is calculated within method of electron structure functions. The explicit expressions for the recoil proton polarization are represented as a contraction of the electron structure and the hard part of the... |
2405.10962 | Carolina Sayuri Takeda | Kentaro Kojima, Yuri Okubo, Carolina Sayuri Takeda | Vacuum structure of an eight-dimensional $SU(3)$ gauge theory on a
magnetized torus | null | null | null | null | hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | We analyze the vacuum structure of an eight-dimensional non-abelian gauge
theory with a compactified four-dimensional torus as the extra dimensions. As a
non-trivial background configuration of the gauge field of an $SU(n)$ gauge
group, we suppose a magnetic flux in two extra dimensions, and continuous
Wilson line ph... | [
{
"created": "Wed, 24 Apr 2024 11:51:53 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Jul 2024 11:44:31 GMT",
"version": "v2"
}
] | 2024-07-22 | [
[
"Kojima",
"Kentaro",
""
],
[
"Okubo",
"Yuri",
""
],
[
"Takeda",
"Carolina Sayuri",
""
]
] | We analyze the vacuum structure of an eight-dimensional non-abelian gauge theory with a compactified four-dimensional torus as the extra dimensions. As a non-trivial background configuration of the gauge field of an $SU(n)$ gauge group, we suppose a magnetic flux in two extra dimensions, and continuous Wilson line phas... |
0909.5128 | Sergey Mikhailov | S. V. Mikhailov, N. G. Stefanis | Two-loop contribution to the pion transition form factor vs.
experimental data | 5 pages, 2 figures, 3 tables. Presented by the first author at 3rd
joint International HADRON STRUCTURE'09 Conference at Tatranska Strba,
Slovakia, August 30th - September 3rd, 2009. v2 Eqs. (9), (10) corrected;
wrong reference tag removed. v3 Fig. 2 and Ref. [13] corrected | null | 10.1016/j.nuclphysbps.2009.12.039 | RUB-TPII-09/09 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present predictions for the pion-photon transition form factor, derived
with the help of light-cone sum rules and including the main part of the NNLO
radiative corrections. We show that, when the Bakulev-Mikhailov-Stefanis (BMS)
pion distribution amplitude is used, the obtained predictions agree well with
the CELL... | [
{
"created": "Mon, 28 Sep 2009 15:51:44 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Sep 2009 14:05:52 GMT",
"version": "v2"
},
{
"created": "Sat, 12 Dec 2009 08:34:24 GMT",
"version": "v3"
}
] | 2015-05-14 | [
[
"Mikhailov",
"S. V.",
""
],
[
"Stefanis",
"N. G.",
""
]
] | We present predictions for the pion-photon transition form factor, derived with the help of light-cone sum rules and including the main part of the NNLO radiative corrections. We show that, when the Bakulev-Mikhailov-Stefanis (BMS) pion distribution amplitude is used, the obtained predictions agree well with the CELLO ... |
1107.2136 | William Horowitz | W. A. Horowitz and Miklos Gyulassy | Quenching and Tomography from RHIC to LHC | 4 pages, 3 figures. Proceedings for Quark Matter 2011 | null | 10.1088/0954-3899/38/12/124114 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compare fully perturbative and fully nonperturbative pictures of high-pT
energy loss calculations to the first results from LHC. While over-suppressed
compared to published ALICE data, parameter-free pQCD predictions based on the
WHDG energy loss model constrained to RHIC data simultaneously describe well
the prel... | [
{
"created": "Mon, 11 Jul 2011 20:37:06 GMT",
"version": "v1"
}
] | 2015-05-28 | [
[
"Horowitz",
"W. A.",
""
],
[
"Gyulassy",
"Miklos",
""
]
] | We compare fully perturbative and fully nonperturbative pictures of high-pT energy loss calculations to the first results from LHC. While over-suppressed compared to published ALICE data, parameter-free pQCD predictions based on the WHDG energy loss model constrained to RHIC data simultaneously describe well the prelim... |
hep-ph/0311325 | Dr. Gavin P. Salam | Marcello Ciafaloni, Dimitri Colferai, Gavin P. Salam, Anna M. Stasto | The gluon splitting function at moderately small x | 10 pages, LaTeX, 3 figures | Phys.Lett.B587:87-94,2004 | 10.1016/j.physletb.2004.02.054 | DESY 03-185, DFF 409/11/03, LPTHE-03-34 | hep-ph | null | It is widely believed that at small x, the BFKL resummed gluon splitting
function should grow as a power of 1/x. But in several recent calculations it
has been found to decrease for moderately small-x before eventually rising. We
show that this `dip' structure is a rigorous feature of the P_gg splitting
function for ... | [
{
"created": "Tue, 25 Nov 2003 14:52:16 GMT",
"version": "v1"
},
{
"created": "Mon, 3 May 2004 06:02:28 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Ciafaloni",
"Marcello",
""
],
[
"Colferai",
"Dimitri",
""
],
[
"Salam",
"Gavin P.",
""
],
[
"Stasto",
"Anna M.",
""
]
] | It is widely believed that at small x, the BFKL resummed gluon splitting function should grow as a power of 1/x. But in several recent calculations it has been found to decrease for moderately small-x before eventually rising. We show that this `dip' structure is a rigorous feature of the P_gg splitting function for su... |
1311.6366 | Vincent Mathieu | Vincent Mathieu | Regge Amplitudes for Two-to-Two Reactions | 14 pages, 14 figures, talk given at "From quarks and gluons to
hadronic matter: A bridge too far?"[QCD-TNT-III], Trento, Italy, Sept. 2-6,
2013 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a fit based on Regge theory of two-to-two reactions at high
energies particulary focused on leading non-strange positive naturality
exchanges. Factorization of the residues is assumed between beam and target
vertices. This study is a first step toward the analysis of multiple mesons
peripherical production... | [
{
"created": "Mon, 25 Nov 2013 17:15:49 GMT",
"version": "v1"
}
] | 2013-11-26 | [
[
"Mathieu",
"Vincent",
""
]
] | We present a fit based on Regge theory of two-to-two reactions at high energies particulary focused on leading non-strange positive naturality exchanges. Factorization of the residues is assumed between beam and target vertices. This study is a first step toward the analysis of multiple mesons peripherical production. |
hep-ph/0310305 | Juan Antonio Aguilar-Saavedra | J. A. Aguilar-Saavedra, G. C. Branco, F. R. Joaquim | Neutrino Masses, Mixing and New Physics Effects | 14 pages, 21 figures. Uses RevTeX4. Added several comments and
references. Final version to appear in PRD | Phys.Rev. D69 (2004) 073004 | 10.1103/PhysRevD.69.073004 | null | hep-ph | null | We introduce a parametrization of the effects of radiative corrections from
new physics on the charged lepton and neutrino mass matrices, studying how
several relevant quantities describing the pattern of neutrino masses and
mixing are affected by these corrections. We find that the ratio omega = sin
theta / tan thet... | [
{
"created": "Mon, 27 Oct 2003 21:06:25 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Dec 2003 18:04:25 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Aguilar-Saavedra",
"J. A.",
""
],
[
"Branco",
"G. C.",
""
],
[
"Joaquim",
"F. R.",
""
]
] | We introduce a parametrization of the effects of radiative corrections from new physics on the charged lepton and neutrino mass matrices, studying how several relevant quantities describing the pattern of neutrino masses and mixing are affected by these corrections. We find that the ratio omega = sin theta / tan theta_... |
1001.3156 | Pierpaolo Mastrolia | Pierpaolo Mastrolia | Unitarity-Cuts, Stokes' Theorem and Berry's Phase | presented at RADCOR 2009 - 9th International Symposium on Radiative
Corrections, October 25 - 30 2009, Ascona, Switzerland | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Two-particle unitarity-cuts of scattering amplitudes can be efficiently
computed by applying Stokes' Theorem, in the fashion of the Generalised Cauchy
Theorem. Consequently, the Optical Theorem can be related to the Berry Phase,
showing how the imaginary part of arbitrary one-loop Feynman amplitudes can be
interprete... | [
{
"created": "Mon, 18 Jan 2010 22:18:57 GMT",
"version": "v1"
}
] | 2010-01-20 | [
[
"Mastrolia",
"Pierpaolo",
""
]
] | Two-particle unitarity-cuts of scattering amplitudes can be efficiently computed by applying Stokes' Theorem, in the fashion of the Generalised Cauchy Theorem. Consequently, the Optical Theorem can be related to the Berry Phase, showing how the imaginary part of arbitrary one-loop Feynman amplitudes can be interpreted ... |
2201.06471 | Kanchan Khemchandani | K. P. Khemchandani, A. Mart\'inez Torres, Sang-Ho Kim, Seung-il Nam,
H. Nagahiro, A. Hosaka | The decay of $N^*$(1895) to light hyperon resonances | Hadron 2021 conference proceedings | null | null | null | hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | In this talk I review the findings of our recent works where we have studied
the decay of $N^*(1895)$ and the implications of such properties on the
photoproduction of light hyperons. I discuss that meson-baryon interactions
play an essential role in describing the nature of $N^*(1895)$ and report the
details of our ... | [
{
"created": "Mon, 17 Jan 2022 15:31:45 GMT",
"version": "v1"
}
] | 2022-01-19 | [
[
"Khemchandani",
"K. P.",
""
],
[
"Torres",
"A. Martínez",
""
],
[
"Kim",
"Sang-Ho",
""
],
[
"Nam",
"Seung-il",
""
],
[
"Nagahiro",
"H.",
""
],
[
"Hosaka",
"A.",
""
]
] | In this talk I review the findings of our recent works where we have studied the decay of $N^*(1895)$ and the implications of such properties on the photoproduction of light hyperons. I discuss that meson-baryon interactions play an essential role in describing the nature of $N^*(1895)$ and report the details of our in... |
1706.08679 | Premomoy Ghosh | Nachiketa Sarkar, Premomoy Ghosh | Thermalization in small system of hadron gas and high-multiplicity pp
events | null | Phys. Rev. C 96, 044901 (2017) | 10.1103/PhysRevC.96.044901 | null | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the system-size dependence of Knudsen number, a measure of degree of
thermalization, for hadron resonance gas that follows the Lattice-QCD equation
of state at zero chemical potential. A comparison between Knudsen numbers for
the AuAu collisions at RHIC and the hadron gas of size similar to the size of
high-... | [
{
"created": "Tue, 27 Jun 2017 06:19:38 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Sep 2017 09:15:09 GMT",
"version": "v2"
}
] | 2017-10-11 | [
[
"Sarkar",
"Nachiketa",
""
],
[
"Ghosh",
"Premomoy",
""
]
] | We study the system-size dependence of Knudsen number, a measure of degree of thermalization, for hadron resonance gas that follows the Lattice-QCD equation of state at zero chemical potential. A comparison between Knudsen numbers for the AuAu collisions at RHIC and the hadron gas of size similar to the size of high-mu... |
hep-ph/9903227 | Massimo Pietroni | D. Comelli, D. Grasso, M. Pietroni and A. Riotto | The Sphaleron in a Magnetic Field and Electroweak Baryogenesis | 10 pages, 2 figures | Phys.Lett. B458 (1999) 304-309 | 10.1016/S0370-2693(99)00381-0 | INFNFE-01-99, DFPD/99/TH/07, CERN-TH/99-50 | hep-ph | null | The presence of a primordial magnetic field in the early universe affects the
dynamic of the electroweak phase transition enhancing its strength. This effect
may enlarge the window for electroweak baryogenesis in the minimal
supersymmetric extension of the standard model or even resurrect the
electroweak baryogenesis... | [
{
"created": "Tue, 2 Mar 1999 15:48:50 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Comelli",
"D.",
""
],
[
"Grasso",
"D.",
""
],
[
"Pietroni",
"M.",
""
],
[
"Riotto",
"A.",
""
]
] | The presence of a primordial magnetic field in the early universe affects the dynamic of the electroweak phase transition enhancing its strength. This effect may enlarge the window for electroweak baryogenesis in the minimal supersymmetric extension of the standard model or even resurrect the electroweak baryogenesis s... |
hep-ph/0604128 | Feng Yuan | Xiangdong Ji, Jian-Wei Qiu, Werner Vogelsang, Feng Yuan | Single-Transverse Spin Asymmetry in Semi-Inclusive Deep Inelastic
Scattering | 17 pages, 3 figures | Phys.Lett.B638:178-186,2006 | 10.1016/j.physletb.2006.05.044 | BNL-NT-06/15, RBRC-598 | hep-ph | null | We study the single-transverse spin asymmetry in semi-inclusive hadron
production in deep inelastic scattering. We derive the leading contribution to
the asymmetry at moderate transverse momentum $P_{h\perp}$ of the produced
hadron in terms of twist-three quark-gluon correlation functions, and compare
with the approa... | [
{
"created": "Fri, 14 Apr 2006 15:23:42 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Ji",
"Xiangdong",
""
],
[
"Qiu",
"Jian-Wei",
""
],
[
"Vogelsang",
"Werner",
""
],
[
"Yuan",
"Feng",
""
]
] | We study the single-transverse spin asymmetry in semi-inclusive hadron production in deep inelastic scattering. We derive the leading contribution to the asymmetry at moderate transverse momentum $P_{h\perp}$ of the produced hadron in terms of twist-three quark-gluon correlation functions, and compare with the approach... |
2110.01426 | Igor Boyko | I.R.Boyko, V.V.Bytev, A.S.Zhemchugov | Two-photon physics at future electron-positron colliders | null | null | 10.1088/1674-1137/ac957c | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Two photon collisions offer a variety of physics studies that can be
performed at the future electron-positron colliders. Using the planned CEPC
parameters as a benchmark we consider several topics to be studied in the
two-photon collisions. With the full integrated luminosity the Higgs boson
photoproduction can be r... | [
{
"created": "Mon, 4 Oct 2021 13:09:46 GMT",
"version": "v1"
},
{
"created": "Fri, 28 Oct 2022 10:57:46 GMT",
"version": "v2"
}
] | 2022-12-14 | [
[
"Boyko",
"I. R.",
""
],
[
"Bytev",
"V. V.",
""
],
[
"Zhemchugov",
"A. S.",
""
]
] | Two photon collisions offer a variety of physics studies that can be performed at the future electron-positron colliders. Using the planned CEPC parameters as a benchmark we consider several topics to be studied in the two-photon collisions. With the full integrated luminosity the Higgs boson photoproduction can be rel... |
1410.5234 | Kazem Azizi | K. Azizi, N. Er, H. Sundu | Semileptonic $B \rightarrow \bar{D} $ transition in nuclear medium | 12 Pages, 3 Figures and 5 Tables | null | 10.1103/PhysRevD.91.034026 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the semileptonic tree-level $B \rightarrow \bar{D}$ transition in
the framework of QCD sum rules in nuclear medium. In particular, we calculate
the in-medium form factors entering the transition matrix elements defining
this decay channel. It is found that the interactions of the participating
particles with... | [
{
"created": "Mon, 20 Oct 2014 11:45:47 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Feb 2015 09:43:32 GMT",
"version": "v2"
}
] | 2015-06-23 | [
[
"Azizi",
"K.",
""
],
[
"Er",
"N.",
""
],
[
"Sundu",
"H.",
""
]
] | We study the semileptonic tree-level $B \rightarrow \bar{D}$ transition in the framework of QCD sum rules in nuclear medium. In particular, we calculate the in-medium form factors entering the transition matrix elements defining this decay channel. It is found that the interactions of the participating particles with t... |
hep-ph/0202108 | Akihiro Nakamura | Shigenori Kagiyama, Shunichiro Kumamoto, Akira Minaka, Akihiro
Nakamura, Kazunari Ohkura and Shogo Yamaguchi | Compressible bag model and the phase structure | 14 pages, 11 figures, LaTeX2e | Eur.Phys.J.C25:453-458,2002 | 10.1007/s10052-002-1024-9 | Kagoshima HE-02-1 | hep-ph | null | The phase structure of hadrons and quark-gluon plasma is investigated by two
types of equation of hadron state, namely ideal hadron gas model and the
compressible bag model. It is pointed out that, while the ideal gas model
produces unrealistic extra hadron phase, the compressible bag model gives an
expected and reas... | [
{
"created": "Tue, 12 Feb 2002 12:29:25 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Mar 2002 08:30:39 GMT",
"version": "v2"
},
{
"created": "Mon, 22 Apr 2002 11:23:24 GMT",
"version": "v3"
},
{
"created": "Tue, 18 Jun 2002 02:21:02 GMT",
"version": "v4"
},
{
"c... | 2011-09-13 | [
[
"Kagiyama",
"Shigenori",
""
],
[
"Kumamoto",
"Shunichiro",
""
],
[
"Minaka",
"Akira",
""
],
[
"Nakamura",
"Akihiro",
""
],
[
"Ohkura",
"Kazunari",
""
],
[
"Yamaguchi",
"Shogo",
""
]
] | The phase structure of hadrons and quark-gluon plasma is investigated by two types of equation of hadron state, namely ideal hadron gas model and the compressible bag model. It is pointed out that, while the ideal gas model produces unrealistic extra hadron phase, the compressible bag model gives an expected and reason... |
hep-ph/9602342 | Osamu Yasuda 0426-77-1111x3376 | Osamu Yasuda | Three flavor neutrino oscillation analysis of the kamiokande multi-gev
atmospheric neutrino data | LaTeX, 13 pages + 3 PostScript figures | null | null | TMUP-HEL-9603 | hep-ph | null | Using the published Kamiokande data of the multi-GeV atmospheric neutrinos,
we have searched the optimum set of the neutrino oscillation parameters among
three flavors. It is found that $\chi^2$ is minimized for ($\Delta m_{21}^2$,
$\Delta m_{31}^2$) = (3.8$\times 10^{-2}~$eV$^2$, 1.4$\times 10^{-2}~$eV$^2$),
($\thet... | [
{
"created": "Tue, 20 Feb 1996 01:46:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Yasuda",
"Osamu",
""
]
] | Using the published Kamiokande data of the multi-GeV atmospheric neutrinos, we have searched the optimum set of the neutrino oscillation parameters among three flavors. It is found that $\chi^2$ is minimized for ($\Delta m_{21}^2$, $\Delta m_{31}^2$) = (3.8$\times 10^{-2}~$eV$^2$, 1.4$\times 10^{-2}~$eV$^2$), ($\theta_... |
hep-ph/9909341 | Walter Grimus | W. Grimus, S. Mohanty, P. Stockinger | Field-Theoretical Treatment of Neutrino Oscillations: The Strength of
the Canonical Oscillation Formula | 15 pages, Revtex, Contribution to "Neutrino Mixing", Meeting in
Honour of Samoil Bilenky's 70th Birthday, Torino, March 25-27, 1999 | null | null | UWThPh-1999-54, PRL-TH-1999 | hep-ph | null | We discuss conceptual aspects of neutrino oscillations with the main emphasis
on the field-theoretical approach. This approach includes the neutrino source
and detector processes and allows to obtain the neutrino transition or survival
probabilities as cross sections derived from the Feynman diagram of the
combined s... | [
{
"created": "Mon, 13 Sep 1999 09:43:23 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Grimus",
"W.",
""
],
[
"Mohanty",
"S.",
""
],
[
"Stockinger",
"P.",
""
]
] | We discuss conceptual aspects of neutrino oscillations with the main emphasis on the field-theoretical approach. This approach includes the neutrino source and detector processes and allows to obtain the neutrino transition or survival probabilities as cross sections derived from the Feynman diagram of the combined sou... |
hep-ph/9411366 | null | Marion Flanz, Emmanuel A. Paschos and Utpal Sarkar | Baryogenesis from a Lepton Asymmetric Universe | 12 pages (Latex file with one attached postscript figure) | Phys.Lett.B345:248-252,1995; ERRATUM-ibid.B382:447,1996 | 10.1016/0370-2693(94)01555-Q | DO-TH 94/15 | hep-ph | null | We demonstrate that $CP-$violation in the Majorana mass matrices of the heavy
neutrinos can generate a $CP-$asymmetric universe. The subsequent decay of the
Majorana particles generates a lepton number asymmetry. During the electroweak
phase transition the lepton asymmetry is converted into a baryon asymmetry,
which ... | [
{
"created": "Wed, 23 Nov 1994 09:03:05 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Flanz",
"Marion",
""
],
[
"Paschos",
"Emmanuel A.",
""
],
[
"Sarkar",
"Utpal",
""
]
] | We demonstrate that $CP-$violation in the Majorana mass matrices of the heavy neutrinos can generate a $CP-$asymmetric universe. The subsequent decay of the Majorana particles generates a lepton number asymmetry. During the electroweak phase transition the lepton asymmetry is converted into a baryon asymmetry, which su... |
2310.04123 | Eduard Paryev Ph.D | E. Ya. Paryev | Probing the hidden-bottom pentaquark resonances in photonuclear
bottomonium production near threshold: differential observables | 33 pages, 13 figures. arXiv admin note: text overlap with
arXiv:2211.16037, arXiv:2304.03978; references and some additional comments
are added | Nucl.Phys.A 1042(2024)122792 | 10.1016/j.nuclphysa.2023.122792 | null | hep-ph hep-ex nucl-ex nucl-th | http://creativecommons.org/licenses/by/4.0/ | We study the near-threshold $\Upsilon(1S)$ meson photoproduction from protons
and nuclei by considering incoherent direct non-resonant (${\gamma}p \to
{\Upsilon(1S)}p$, ${\gamma}n \to {\Upsilon(1S)}n$) and two-step resonant
(${\gamma}p \to P^+_{bi} \to {\Upsilon(1S)}p$, ${\gamma}n \to P^0_{bi} \to
{\Upsilon(1S)}n$, $... | [
{
"created": "Fri, 6 Oct 2023 09:42:56 GMT",
"version": "v1"
},
{
"created": "Thu, 23 Nov 2023 07:47:03 GMT",
"version": "v2"
}
] | 2023-11-27 | [
[
"Paryev",
"E. Ya.",
""
]
] | We study the near-threshold $\Upsilon(1S)$ meson photoproduction from protons and nuclei by considering incoherent direct non-resonant (${\gamma}p \to {\Upsilon(1S)}p$, ${\gamma}n \to {\Upsilon(1S)}n$) and two-step resonant (${\gamma}p \to P^+_{bi} \to {\Upsilon(1S)}p$, ${\gamma}n \to P^0_{bi} \to {\Upsilon(1S)}n$, $i=... |
1710.02204 | Norimi Yokozaki | Keisuke Harigaya, Tsutomu T. Yanagida, Norimi Yokozaki | Axion induced SUSY breaking and focus point gaugino mediation | 21 pages, 2 figures; version to be published | null | 10.1016/j.physletb.2022.137386 | IPMU17-0134, TU-1047 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a scenario where the supersymmetry breaking and its mediation,
and the cancellation of the theta parameter of SU(3)c are all caused by a
single chiral multiplet. The string axion multiplet is a natural candidate of
such a single superfield. We show that the scenario provides a convincing basis
of focus po... | [
{
"created": "Thu, 5 Oct 2017 20:20:54 GMT",
"version": "v1"
},
{
"created": "Mon, 13 Jun 2022 05:59:00 GMT",
"version": "v2"
},
{
"created": "Fri, 19 Aug 2022 08:21:42 GMT",
"version": "v3"
}
] | 2022-08-30 | [
[
"Harigaya",
"Keisuke",
""
],
[
"Yanagida",
"Tsutomu T.",
""
],
[
"Yokozaki",
"Norimi",
""
]
] | We consider a scenario where the supersymmetry breaking and its mediation, and the cancellation of the theta parameter of SU(3)c are all caused by a single chiral multiplet. The string axion multiplet is a natural candidate of such a single superfield. We show that the scenario provides a convincing basis of focus poin... |
2312.14004 | Gino Isidori | Riccardo Barbieri, Gino Isidori | Minimal flavour deconstruction | 20 pages, 4 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct two concrete examples of flavour non-universal gauge theories
which, after the inclusion of all $d\leq 4$ gauge invariant operators, allow to
describe the observed pattern of flavour in the charged fermion sector without
any small Yukawa coupling ($y \gtrsim 0.1$). Guided by the criterium of
minimality, ... | [
{
"created": "Thu, 21 Dec 2023 16:36:00 GMT",
"version": "v1"
}
] | 2023-12-22 | [
[
"Barbieri",
"Riccardo",
""
],
[
"Isidori",
"Gino",
""
]
] | We construct two concrete examples of flavour non-universal gauge theories which, after the inclusion of all $d\leq 4$ gauge invariant operators, allow to describe the observed pattern of flavour in the charged fermion sector without any small Yukawa coupling ($y \gtrsim 0.1$). Guided by the criterium of minimality, we... |
1512.04933 | Alessandro Strumia | Roberto Franceschini, Gian F. Giudice, Jernej F. Kamenik, Matthew
McCullough, Alex Pomarol, Riccardo Rattazzi, Michele Redi, Francesco Riva,
Alessandro Strumia and Riccardo Torre | What is the gamma gamma resonance at 750 GeV? | v2: 45 pages, 12 figures, final. Factor of 2 changed in table 1, 4th
row | null | 10.1007/JHEP03(2016)144 | CERN-PH-TH/2015-302, IFUP-TH/2015 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Run 2 LHC data show hints of a new resonance in the diphoton distribution at
an invariant mass of 750 GeV. We analyse the data in terms of a new boson,
extracting information on its properties and exploring theoretical
interpretations. Scenarios covered include a narrow resonance and, as
preliminary indications sugge... | [
{
"created": "Tue, 15 Dec 2015 20:53:14 GMT",
"version": "v1"
},
{
"created": "Fri, 8 Jan 2016 18:39:42 GMT",
"version": "v2"
},
{
"created": "Fri, 19 Feb 2016 11:22:23 GMT",
"version": "v3"
}
] | 2016-04-20 | [
[
"Franceschini",
"Roberto",
""
],
[
"Giudice",
"Gian F.",
""
],
[
"Kamenik",
"Jernej F.",
""
],
[
"McCullough",
"Matthew",
""
],
[
"Pomarol",
"Alex",
""
],
[
"Rattazzi",
"Riccardo",
""
],
[
"Redi",
"Michele",
... | Run 2 LHC data show hints of a new resonance in the diphoton distribution at an invariant mass of 750 GeV. We analyse the data in terms of a new boson, extracting information on its properties and exploring theoretical interpretations. Scenarios covered include a narrow resonance and, as preliminary indications suggest... |
hep-ph/0412246 | Evgenij Martynov | E. Martynov, J.R. Cudell, A. Lengyel | Direct extraction of hadronic form factors from elastic-scattering data | 4 pages, 5 figures, talk given at Diffraction 2004, Cala Gonone,
Sardinia, Italy, 18-23 September 2004 | null | 10.1016/j.nuclphysbps.2005.02.091 | null | hep-ph | null | Non-forward elastic hadron-scattering data are collected and analysed within
the Regge approach. Through an analysis of the data in small bins in $t$, we
have directly extracted the pomeron trajectory and the hadronic form factors
(or reggeon couplings). We found higher values than usually used for the
intercept and ... | [
{
"created": "Fri, 17 Dec 2004 09:36:54 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Martynov",
"E.",
""
],
[
"Cudell",
"J. R.",
""
],
[
"Lengyel",
"A.",
""
]
] | Non-forward elastic hadron-scattering data are collected and analysed within the Regge approach. Through an analysis of the data in small bins in $t$, we have directly extracted the pomeron trajectory and the hadronic form factors (or reggeon couplings). We found higher values than usually used for the intercept and fo... |
hep-ph/9406299 | Thomas Teubner | K.G.Chetyrkin and J.H. K\"uhn | Quartic Mass Corrections to $R_{had}$ | 17 pages, LaTex (uses epsf.sty, figures appended as uuencoded ps- and
eps-files). A complete postscript file, including figures, is available via
anonymous ftp at ttpux2.physik.uni-karlsruhe.de (129.13.102.139) as
/pub/ttp94-08/ttp94-08.ps, Local preprint# TTP94-08 | Nucl.Phys.B432:337-350,1994 | 10.1016/0550-3213(94)90605-X | null | hep-ph | null | The influence of nonvanishing quark masses on the total cross section in
electron positron collisions and on the $Z$ decay rate is calculated. The
corrections are expanded in $m^2/s$ and $\as$. Methods similar to those applied
for the quadratic mass terms allow to derive the corrections of order $\as
m^4/s^2$ and $\a... | [
{
"created": "Mon, 13 Jun 1994 17:51:41 GMT",
"version": "v1"
}
] | 2011-01-25 | [
[
"Chetyrkin",
"K. G.",
""
],
[
"Kühn",
"J. H.",
""
]
] | The influence of nonvanishing quark masses on the total cross section in electron positron collisions and on the $Z$ decay rate is calculated. The corrections are expanded in $m^2/s$ and $\as$. Methods similar to those applied for the quadratic mass terms allow to derive the corrections of order $\as m^4/s^2$ and $\as^... |
2105.05860 | Jong-Hyun Yoon | Oleg Lebedev, Jong-Hyun Yoon | Challenges for Inflaton Dark Matter | 16 pages, 4 figures | null | 10.1016/j.physletb.2021.136614 | null | hep-ph astro-ph.CO astro-ph.HE | http://creativecommons.org/licenses/by/4.0/ | We examine an intriguing possibility that a single field is responsible for
both inflation and dark matter, focussing on the minimal set-up where inflation
is driven by a scalar coupling to curvature. We study in detail the reheating
process in this framework, which amounts mainly to particle production in a
quartic ... | [
{
"created": "Wed, 12 May 2021 18:00:02 GMT",
"version": "v1"
},
{
"created": "Fri, 13 Aug 2021 07:27:10 GMT",
"version": "v2"
}
] | 2021-09-08 | [
[
"Lebedev",
"Oleg",
""
],
[
"Yoon",
"Jong-Hyun",
""
]
] | We examine an intriguing possibility that a single field is responsible for both inflation and dark matter, focussing on the minimal set-up where inflation is driven by a scalar coupling to curvature. We study in detail the reheating process in this framework, which amounts mainly to particle production in a quartic po... |
hep-ph/0203106 | Jack Laiho | Jack Laiho, Amarjit Soni | On lattice extraction of K --> pi pi amplitudes to O(p^4) in Chiral
Perturbation Theory | 20 pages, 1 figure. This is the final published version, where some
minor corrections have been made | Phys.Rev. D65 (2002) 114020 | 10.1103/PhysRevD.65.114020 | null | hep-ph hep-lat | null | We show that lattice calculation of K --> pi pi and $epe$ amplitudes for
(8,1) and (27,1) operators to O(p^4) in chiral perturbation theory is feasible
when one uses K --> pi pi computations at the two unphysical kinematics allowed
by the Maiani-Testa theorem, along with the usual (computable) two and three
point fun... | [
{
"created": "Tue, 12 Mar 2002 02:46:38 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Mar 2002 20:58:23 GMT",
"version": "v2"
},
{
"created": "Fri, 26 Jul 2002 18:04:52 GMT",
"version": "v3"
}
] | 2009-11-07 | [
[
"Laiho",
"Jack",
""
],
[
"Soni",
"Amarjit",
""
]
] | We show that lattice calculation of K --> pi pi and $epe$ amplitudes for (8,1) and (27,1) operators to O(p^4) in chiral perturbation theory is feasible when one uses K --> pi pi computations at the two unphysical kinematics allowed by the Maiani-Testa theorem, along with the usual (computable) two and three point funct... |
0810.0934 | Seung Lee | Leandro G. Almeida, Seung J. Lee, Gilad Perez, Ilmo Sung, Joseph Virzi | Top Jets at the LHC | 46 pages, 23 figures | Phys.Rev.D79:074012,2009 | 10.1103/PhysRevD.79.074012 | YITP-SB-08-37; WIS/17/08-SEPT-DPP | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the reconstruction of high p_T hadronically-decaying top quarks at
the LHC. The main challenge in identifying energetic top quarks is that the
decay products become increasingly collimated. This reduces the efficacy of
conventional methods that exploit the topology of the top decay chain. We focus
on the cas... | [
{
"created": "Mon, 6 Oct 2008 19:56:57 GMT",
"version": "v1"
}
] | 2009-06-11 | [
[
"Almeida",
"Leandro G.",
""
],
[
"Lee",
"Seung J.",
""
],
[
"Perez",
"Gilad",
""
],
[
"Sung",
"Ilmo",
""
],
[
"Virzi",
"Joseph",
""
]
] | We study the reconstruction of high p_T hadronically-decaying top quarks at the LHC. The main challenge in identifying energetic top quarks is that the decay products become increasingly collimated. This reduces the efficacy of conventional methods that exploit the topology of the top decay chain. We focus on the cases... |
hep-ph/9711370 | Mcneil James A. | A. S. Johnson and J. A. McNeil (Colorado School of Mines), and J. R.
Shepard (University of Colorado) | Renormalization Group Flow Equations for the Sigma Model | 22 pages, 4 figures | Phys.Rev.D58:014001,1998 | 10.1103/PhysRevD.58.014001 | CU-NPL-1153 | hep-ph | null | We present a nonperturbative renormalization group solution of the
Gell-Mann--Levy $\sigma$-model which was originally proposed as a
phenomenological description of the dynamics of nucleons and mesons. In our
version of the model the fermions are interpreted as quarks which interact via
the $\sigma$ and $\pi$ mesons.... | [
{
"created": "Tue, 18 Nov 1997 16:30:33 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Johnson",
"A. S.",
"",
"Colorado School of Mines"
],
[
"McNeil",
"J. A.",
"",
"Colorado School of Mines"
],
[
"Shepard",
"J. R.",
"",
"University of Colorado"
]
] | We present a nonperturbative renormalization group solution of the Gell-Mann--Levy $\sigma$-model which was originally proposed as a phenomenological description of the dynamics of nucleons and mesons. In our version of the model the fermions are interpreted as quarks which interact via the $\sigma$ and $\pi$ mesons. W... |
2107.06482 | Wei-Jie Fu | Yang-yang Tan, Yong-rui Chen, Wei-jie Fu | Real-time dynamics of the $O(4)$ scalar theory within the fRG approach | 25 pages, 14 figures; v3: minor revision, discussions updated and
reference added | SciPost Phys. 12, 026 (2022) | 10.21468/SciPostPhys.12.1.026 | null | hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | In this paper, the real-time dynamics of the $O(4)$ scalar theory is studied
within the functional renormalization group formulated on the Schwinger-Keldysh
closed time path. The flow equations for the effective action and its $n$-point
correlation functions are derived in terms of the "classical" and "quantum"
field... | [
{
"created": "Wed, 14 Jul 2021 04:46:05 GMT",
"version": "v1"
},
{
"created": "Sun, 3 Oct 2021 03:29:01 GMT",
"version": "v2"
},
{
"created": "Tue, 19 Oct 2021 13:49:34 GMT",
"version": "v3"
}
] | 2022-01-19 | [
[
"Tan",
"Yang-yang",
""
],
[
"Chen",
"Yong-rui",
""
],
[
"Fu",
"Wei-jie",
""
]
] | In this paper, the real-time dynamics of the $O(4)$ scalar theory is studied within the functional renormalization group formulated on the Schwinger-Keldysh closed time path. The flow equations for the effective action and its $n$-point correlation functions are derived in terms of the "classical" and "quantum" fields,... |
hep-ph/9607350 | Nir Polonsky | Nir Polonsky | The neutrino mass and other possible signals of lepton-number violation
in supersymmetric theories | Typos corrected + minor changes | Nucl.Phys.Proc.Suppl. 52A (1997) 97-99 | 10.1016/S0920-5632(96)00542-7 | LMU-TPW-96-16 | hep-ph | null | We review a recently proposed framework in which the neutrino mass is a
signal of supersymmetry breaking and is suppressed dynamically. In addition, we
briefly comment on some possible consequences of general lepton-number
violation in supersymmetric theories, e.g., dijet and multijet signals and $jj
\rightarrow ll\g... | [
{
"created": "Wed, 17 Jul 1996 21:27:27 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Jul 1996 19:55:48 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Polonsky",
"Nir",
""
]
] | We review a recently proposed framework in which the neutrino mass is a signal of supersymmetry breaking and is suppressed dynamically. In addition, we briefly comment on some possible consequences of general lepton-number violation in supersymmetric theories, e.g., dijet and multijet signals and $jj \rightarrow ll\gam... |
hep-ph/0612016 | Devin Walker | Vernon Barger, Tao Han and Devin G. E. Walker | Top Quark Pairs at High Invariant Mass - A Model-Independent
Discriminator of New Physics at the LHC | 5 pages, 4 figures; version to appear in PRL | Phys.Rev.Lett.100:031801,2008 | 10.1103/PhysRevLett.100.031801 | MADPH-06-1475 | hep-ph hep-ex | null | We study top quark pair production to probe new physics at the LHC. We
propose reconstruction methods for $t\bar{t}$ semileptonic events and use them
to reconstruct the $t\bar{t}$ invariant mass. The angular distribution of top
quarks in their c.m. frame can determine the spin and production subprocess for
each new p... | [
{
"created": "Sat, 2 Dec 2006 02:20:02 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Dec 2006 22:10:15 GMT",
"version": "v2"
},
{
"created": "Wed, 12 Dec 2007 06:49:43 GMT",
"version": "v3"
},
{
"created": "Wed, 12 Dec 2007 22:57:14 GMT",
"version": "v4"
}
] | 2008-11-26 | [
[
"Barger",
"Vernon",
""
],
[
"Han",
"Tao",
""
],
[
"Walker",
"Devin G. E.",
""
]
] | We study top quark pair production to probe new physics at the LHC. We propose reconstruction methods for $t\bar{t}$ semileptonic events and use them to reconstruct the $t\bar{t}$ invariant mass. The angular distribution of top quarks in their c.m. frame can determine the spin and production subprocess for each new phy... |
2210.01386 | Young Ju Ko | Young Ju Ko and Hyun Su Lee | Sensitivities for coherent elastic scattering of solar and supernova
neutrinos with future NaI(Tl) dark matter search detectors of COSINE-200/1T | null | Astropart. Phys. 153 (2023) 102890 | 10.1016/j.astropartphys.2023.102890 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | We investigate the prospects for measuring the coherent elastic
neutrino-nucleus scattering of solar and supernova neutrinos in future NaI(Tl)
dark matter detection experiments. Considering the reduced background and
improved light yield of the recently developed NaI(Tl) crystals, more than
3$\sigma$ observation sens... | [
{
"created": "Tue, 4 Oct 2022 04:58:25 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Aug 2023 00:32:31 GMT",
"version": "v2"
}
] | 2023-08-29 | [
[
"Ko",
"Young Ju",
""
],
[
"Lee",
"Hyun Su",
""
]
] | We investigate the prospects for measuring the coherent elastic neutrino-nucleus scattering of solar and supernova neutrinos in future NaI(Tl) dark matter detection experiments. Considering the reduced background and improved light yield of the recently developed NaI(Tl) crystals, more than 3$\sigma$ observation sensit... |
hep-ph/0307373 | Masahide Yamaguchi | Masahide Yamaguchi and Jun'ichi Yokoyama | Chaotic hybrid new inflation in supergravity with a running spectral
index | 15 pages, to appear in Phys. Rev. D | Phys.Rev. D68 (2003) 123520 | 10.1103/PhysRevD.68.123520 | BROWN-HET-1371, OU-TAP-216 | hep-ph astro-ph | null | We propose an inflation model in supergravity, in which chaotic and hybrid
inflation occurs successively, followed by new inflation. During hybrid
inflation, adiabatic fluctuations with a running spectral index with $\ns >1$
on a large scale and $\ns <1$ on a smaller scale are generated, as favored by
recent results ... | [
{
"created": "Wed, 30 Jul 2003 18:30:28 GMT",
"version": "v1"
},
{
"created": "Fri, 7 Nov 2003 18:24:00 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Yamaguchi",
"Masahide",
""
],
[
"Yokoyama",
"Jun'ichi",
""
]
] | We propose an inflation model in supergravity, in which chaotic and hybrid inflation occurs successively, followed by new inflation. During hybrid inflation, adiabatic fluctuations with a running spectral index with $\ns >1$ on a large scale and $\ns <1$ on a smaller scale are generated, as favored by recent results of... |
1302.5737 | Ping Wang | W. Xie, L. Q. Mo, P. Wang and Stephen R. Cotanch | Coulomb gauge model for hidden charm tetraquarks | 13 pages, 3 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The spectrum of tetraquark states with hidden charm is studied within an
effective QCD Coulomb gauge Hamiltonian approach. Of the four independent color
schemes, two are investigated, the $(q\bar{c})_1(c\bar{q})_1$ singlet-singlet
(molecule) and the $(qc)_3(\bar{q}\bar{c})_3$ triplet-triplet (diquark), for
selected $... | [
{
"created": "Fri, 22 Feb 2013 22:54:50 GMT",
"version": "v1"
},
{
"created": "Thu, 11 Jul 2013 13:09:30 GMT",
"version": "v2"
}
] | 2013-07-12 | [
[
"Xie",
"W.",
""
],
[
"Mo",
"L. Q.",
""
],
[
"Wang",
"P.",
""
],
[
"Cotanch",
"Stephen R.",
""
]
] | The spectrum of tetraquark states with hidden charm is studied within an effective QCD Coulomb gauge Hamiltonian approach. Of the four independent color schemes, two are investigated, the $(q\bar{c})_1(c\bar{q})_1$ singlet-singlet (molecule) and the $(qc)_3(\bar{q}\bar{c})_3$ triplet-triplet (diquark), for selected $J^... |
hep-ph/9703413 | Gerald Dunne | V.A. Miransky | Conformal Phase Transition | 27 pages,latex (with sprocl.sty),no figures. Invited talk presented
at "Strongly Coupled Gauge Theories, 1996", Nagoya, Japan, November 1996 | null | null | ITP-97-09 | hep-ph | null | The conception of the conformal phase transition (CPT), which is relevant for
the description of non-perturbative dynamics in gauge theories, is discussed.
| [
{
"created": "Tue, 25 Mar 1997 14:13:49 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Miransky",
"V. A.",
""
]
] | The conception of the conformal phase transition (CPT), which is relevant for the description of non-perturbative dynamics in gauge theories, is discussed. |
1109.5896 | Alka Upadhyay | M. Batra, A. Upadhyay | Scalar and Tensor Sea Contributions to Nucleons | null | Proceeding of DAE-BRNS symposium, Vol. 56, 266 (2011) | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Statistical approach for proton and neutron have been used to study the low
energy properties of nucleons. Nucleons is assumed as a composite system of
three quarks and "sea" where sea is assumed to be in S-wave consisting of
quark-antiquark pairs (u]\bar{u},d\bar{d} only) and gluons. Here the
contributions from scal... | [
{
"created": "Tue, 27 Sep 2011 14:03:35 GMT",
"version": "v1"
}
] | 2012-02-01 | [
[
"Batra",
"M.",
""
],
[
"Upadhyay",
"A.",
""
]
] | Statistical approach for proton and neutron have been used to study the low energy properties of nucleons. Nucleons is assumed as a composite system of three quarks and "sea" where sea is assumed to be in S-wave consisting of quark-antiquark pairs (u]\bar{u},d\bar{d} only) and gluons. Here the contributions from scalar... |
2201.03963 | Armando Bermudez Martinez | Armando Bermudez Martinez, Luis Ignacio Estevez Banos, Miguel
Fernandez Moreira, Joel Girones Dominguez, Hannes Jung and Reiner Ramos
Blazquez | Drell Yan production in the parton branching method and POWHEG matching | Part of the DESY summerstudent program 2021 (DESYsummer2021) | null | null | DESY-21-221 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | As part of the DESY summer student program 2021, transverse momentum
dependent (TMD) parton distributions obtained from the Parton Branching (PB)
method were combined with next-to-leading-order (NLO) using the POWHEG method.
Computations of the resulting Drell-Yan (DY) transverse momentum spectrum were
performed. A g... | [
{
"created": "Tue, 11 Jan 2022 14:20:54 GMT",
"version": "v1"
}
] | 2022-01-12 | [
[
"Martinez",
"Armando Bermudez",
""
],
[
"Banos",
"Luis Ignacio Estevez",
""
],
[
"Moreira",
"Miguel Fernandez",
""
],
[
"Dominguez",
"Joel Girones",
""
],
[
"Jung",
"Hannes",
""
],
[
"Blazquez",
"Reiner Ramos",
""
]
] | As part of the DESY summer student program 2021, transverse momentum dependent (TMD) parton distributions obtained from the Parton Branching (PB) method were combined with next-to-leading-order (NLO) using the POWHEG method. Computations of the resulting Drell-Yan (DY) transverse momentum spectrum were performed. A goo... |
1902.03866 | Yu-xin Liu | Xiang Li, Wei-jie Fu, Yu-xin Liu | Thermodynamics of 2+1 Flavor Polyakov-Loop Quark-Meson Model under
External Magnetic Field | 12 pages, 9 figures. Discussions and References are added. Typos are
corrected. To appear in Phys. Rev. D | Phys. Rev. D 99, 074029 (2019) | 10.1103/PhysRevD.99.074029 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the thermodynamics of QCD system under external magnetic field via
the 2+1 flavor Polyakov-loop quark-meson model. To incorporate quantum and
thermal fluctuations, the functional renormalization group approach is
implemented in our work. Pressure, entropy density, magnetic susceptibility and
other thermodyna... | [
{
"created": "Mon, 11 Feb 2019 13:34:23 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Feb 2019 13:42:27 GMT",
"version": "v2"
},
{
"created": "Thu, 4 Apr 2019 01:03:16 GMT",
"version": "v3"
}
] | 2019-05-02 | [
[
"Li",
"Xiang",
""
],
[
"Fu",
"Wei-jie",
""
],
[
"Liu",
"Yu-xin",
""
]
] | We study the thermodynamics of QCD system under external magnetic field via the 2+1 flavor Polyakov-loop quark-meson model. To incorporate quantum and thermal fluctuations, the functional renormalization group approach is implemented in our work. Pressure, entropy density, magnetic susceptibility and other thermodynami... |
hep-ph/9512208 | Stefano Forte | Stefano Forte and Richard D. Ball | Universality and Scaling in Perturbative QCD at Small x | 35 pages, TeX with epsf, 12 figures in compressed postscript | Acta Phys.Polon.B26:2097-2134,1995 | null | CERN-TH/95-323, Edinburgh 95/560 | hep-ph | null | We present a pedagogical review of the universal scaling properties displayed
by the structure function F_2 at small x and large Q^2 as measured at HERA. We
first describe the derivation of the double asymptotic scaling of F_2 from the
leading-order Altarelli-Parisi equations of perturbative QCD. Universal
next-to-le... | [
{
"created": "Fri, 1 Dec 1995 18:03:56 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Forte",
"Stefano",
""
],
[
"Ball",
"Richard D.",
""
]
] | We present a pedagogical review of the universal scaling properties displayed by the structure function F_2 at small x and large Q^2 as measured at HERA. We first describe the derivation of the double asymptotic scaling of F_2 from the leading-order Altarelli-Parisi equations of perturbative QCD. Universal next-to-lead... |
2203.12714 | Roni Harnik | Asher Berlin, Sergey Belomestnykh, Diego Blas, Daniil Frolov, Anthony
J. Brady, Caterina Braggio, Marcela Carena, Raphael Cervantes, Mattia
Checchin, Crispin Contreras-Martinez, Raffaele Tito D'Agnolo, Sebastian A. R.
Ellis, Grigory Eremeev, Christina Gao, Bianca Giaccone, Anna Grassellino,
Roni Harnik, Matthew... | Searches for New Particles, Dark Matter, and Gravitational Waves with
SRF Cavities | Submitted to the Proceedings of the US Community Study on the Future
of Particle Physics (Snowmass 2021). 19 pages, 21 figures | null | null | FERMILAB-PUB-22-150-SQMS-T | hep-ph hep-ex | http://creativecommons.org/publicdomain/zero/1.0/ | This is a Snowmass white paper on the utility of existing and future
superconducting cavities to probe fundamental physics. Superconducting radio
frequency (SRF) cavity technology has seen tremendous progress in the past
decades, as a tool for accelerator science. With advances spear-headed by the
SQMS center at Ferm... | [
{
"created": "Wed, 23 Mar 2022 20:37:58 GMT",
"version": "v1"
}
] | 2022-03-25 | [
[
"Berlin",
"Asher",
""
],
[
"Belomestnykh",
"Sergey",
""
],
[
"Blas",
"Diego",
""
],
[
"Frolov",
"Daniil",
""
],
[
"Brady",
"Anthony J.",
""
],
[
"Braggio",
"Caterina",
""
],
[
"Carena",
"Marcela",
""
],
... | This is a Snowmass white paper on the utility of existing and future superconducting cavities to probe fundamental physics. Superconducting radio frequency (SRF) cavity technology has seen tremendous progress in the past decades, as a tool for accelerator science. With advances spear-headed by the SQMS center at Fermil... |
2105.06572 | Daniel Boyanovsky | Mudit Rai, Lisong Chen, Daniel Boyanovsky | Infrared dressing in real time: emergence of anomalous dimensions | published version. more comments and discussions same results | Phys. Rev. D 104, 085021 (2021) | 10.1103/PhysRevD.104.085021 | null | hep-ph hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We implement a dynamical resummation method (DRM) as an extension of the
dynamical renormalization group to study the time evolution of infrared
dressing in non-gauge theories. Super renormalizable and renormalizable models
feature infrared divergences similar to those of a theory at a critical point,
motivating a re... | [
{
"created": "Thu, 13 May 2021 22:28:31 GMT",
"version": "v1"
},
{
"created": "Mon, 17 May 2021 12:19:58 GMT",
"version": "v2"
},
{
"created": "Fri, 22 Oct 2021 21:15:45 GMT",
"version": "v3"
}
] | 2021-10-26 | [
[
"Rai",
"Mudit",
""
],
[
"Chen",
"Lisong",
""
],
[
"Boyanovsky",
"Daniel",
""
]
] | We implement a dynamical resummation method (DRM) as an extension of the dynamical renormalization group to study the time evolution of infrared dressing in non-gauge theories. Super renormalizable and renormalizable models feature infrared divergences similar to those of a theory at a critical point, motivating a reno... |
1408.3565 | Giovanni Marco Pruna Dr | Giovanni Marco Pruna and Adrian Signer | The $\mu\to e\gamma$ decay in a systematic effective field theory
approach with dimension 6 operators | 37 pages, 2 figures. V2 matches the published version | Journal of High Energy Physics, October 2014, 2014:14 | 10.1007/JHEP10(2014)014 | PSI-PR-14-07, ZU-TH 25/14 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We implement a systematic effective field theory approach to the benchmark
process $\mu\to e \gamma$, performing automated one-loop computations including
dimension 6 operators and studying their anomalous dimensions. We obtain limits
on Wilson coefficients of a relevant subset of lepton-flavour violating
operators t... | [
{
"created": "Fri, 15 Aug 2014 15:34:31 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Oct 2014 17:20:06 GMT",
"version": "v2"
}
] | 2014-10-09 | [
[
"Pruna",
"Giovanni Marco",
""
],
[
"Signer",
"Adrian",
""
]
] | We implement a systematic effective field theory approach to the benchmark process $\mu\to e \gamma$, performing automated one-loop computations including dimension 6 operators and studying their anomalous dimensions. We obtain limits on Wilson coefficients of a relevant subset of lepton-flavour violating operators tha... |
1609.03390 | Juergen Reuter | Bijan Chokouf\'e Nejad, Wolfgang Kilian, Jonas M. Lindert, Stefano
Pozzorini, J\"urgen Reuter, Christian Weiss | NLO QCD Predictions for off-shell $t \bar t$ and $t \bar t H$ Production
and Decay at a Linear Collider | 42 pages, 21 figures | JHEP 1612 (2016) 075 | 10.1007/JHEP12(2016)075 | DESY 16-140, SI-HEP-2016-24, ZU-TH 30/16 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | We present predictions for $t \bar t$ and $t \bar t H$ production and decay
at future lepton colliders including non-resonant and interference
contributions up to next-to-leading order (NLO) in perturbative QCD. The
obtained precision predictions are necessary for a future precise determination
of the top-quark Yukaw... | [
{
"created": "Mon, 12 Sep 2016 13:35:25 GMT",
"version": "v1"
}
] | 2017-01-03 | [
[
"Nejad",
"Bijan Chokoufé",
""
],
[
"Kilian",
"Wolfgang",
""
],
[
"Lindert",
"Jonas M.",
""
],
[
"Pozzorini",
"Stefano",
""
],
[
"Reuter",
"Jürgen",
""
],
[
"Weiss",
"Christian",
""
]
] | We present predictions for $t \bar t$ and $t \bar t H$ production and decay at future lepton colliders including non-resonant and interference contributions up to next-to-leading order (NLO) in perturbative QCD. The obtained precision predictions are necessary for a future precise determination of the top-quark Yukawa ... |
1811.08913 | Tamas Cs\"org\H{o} | T. Csorgo, R. Pasechnik and A. Ster | Model-independent femtoscopic Levy imaging for elastic proton-proton
scattering | 8 pages, 2x2 figures, 2 Tables. Invited talk of T. Csorgo at WPCF
2019 at JINR, Dubna, Russia, submitted to the proceedings. Physics of
Elementary Particles and Nuclei (PEPAN), in press | Physics of Particles and Nuclei v. 51 (3) pp. 227-231 (2020) | null | null | hep-ph hep-ex nucl-ex nucl-th physics.data-an | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A model independent Levy expansion method is introduced to describe nearly
Levy shaped squared moduli of Fourier transforms. We apply this method to
precisely characterize the most recent elastic scattering data of proton-proton
collisions at $\sqrt{s} = 13$ TeV. The results reveal a substructure of
protons, which is... | [
{
"created": "Wed, 21 Nov 2018 19:00:31 GMT",
"version": "v1"
},
{
"created": "Thu, 13 Dec 2018 22:29:27 GMT",
"version": "v2"
},
{
"created": "Fri, 4 Oct 2019 21:40:44 GMT",
"version": "v3"
}
] | 2020-05-01 | [
[
"Csorgo",
"T.",
""
],
[
"Pasechnik",
"R.",
""
],
[
"Ster",
"A.",
""
]
] | A model independent Levy expansion method is introduced to describe nearly Levy shaped squared moduli of Fourier transforms. We apply this method to precisely characterize the most recent elastic scattering data of proton-proton collisions at $\sqrt{s} = 13$ TeV. The results reveal a substructure of protons, which is f... |
1309.3631 | Ahmed Rashed Mr | Ahmed Rashed | Tau neutrino as a probe of nonstandard interactions via charged Higgs
and $W'$ contribution | Presentation at the DPF 2013 Meeting of the American Physical Society
Division of Particles and Fields, Santa Cruz, California, August 13-17, 2013 | Mod. Phys. Lett. A, Vol. 29, No. 7 (2014) 1450040 | 10.1142/S0217732314500400 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the impact of the presence of a charged Higgs and a $W'$ gauge
boson on the tau-neutrino nucleon scattering $\nu_{\tau}+ N \rightarrow \tau^-
+ X$ and $\bar{\nu}_{\tau}+ N \rightarrow \tau^+ + X$. We show the effect of
the new physics on the three subprocesses quasielastic, $\Delta$-resonance, and
deep ine... | [
{
"created": "Sat, 14 Sep 2013 07:03:36 GMT",
"version": "v1"
}
] | 2014-03-10 | [
[
"Rashed",
"Ahmed",
""
]
] | We discuss the impact of the presence of a charged Higgs and a $W'$ gauge boson on the tau-neutrino nucleon scattering $\nu_{\tau}+ N \rightarrow \tau^- + X$ and $\bar{\nu}_{\tau}+ N \rightarrow \tau^+ + X$. We show the effect of the new physics on the three subprocesses quasielastic, $\Delta$-resonance, and deep inela... |
1508.04818 | Takahiro Yoshinaga | Takahiro Yoshinaga | Prospects for Slepton Searches in Future Experiments | Dissertation submitted to Depertment of Physics, University of Tokyo
(Dec. 2014). English, 121 pages, 30 figures, 8 tables | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Muon g-2 anomaly, which is mismatch between the theoretical and the
experimental values of the anomalous magnetic moment of muons, provides a
sensitive probe of new physics. In SUSY, if masses of the superpartners
relevant to the muon g-2 are O(100) GeV, the SUSY contributions to the muon g-2
become sizable and the a... | [
{
"created": "Wed, 19 Aug 2015 22:34:49 GMT",
"version": "v1"
}
] | 2015-08-21 | [
[
"Yoshinaga",
"Takahiro",
""
]
] | Muon g-2 anomaly, which is mismatch between the theoretical and the experimental values of the anomalous magnetic moment of muons, provides a sensitive probe of new physics. In SUSY, if masses of the superpartners relevant to the muon g-2 are O(100) GeV, the SUSY contributions to the muon g-2 become sizable and the ano... |
2206.08590 | Jayden Newstead | Bhaskar Dutta, Wei-Chih Huang, Jayden L. Newstead, Vishvas Pandey | Inelastic nuclear scattering from neutrinos and dark matter | 16 pages, 12 figures, published version | Phys. Rev. D 106, 113006 (2022) | 10.1103/PhysRevD.106.113006 | FERMILAB-PUB-22-485-ND | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Neutrinos with energy of order 10~MeV, such as from pion decay-at-rest
sources, are an invaluable tool for studying low-energy neutrino interactions
with nuclei -- previously enabling the first measurement of coherent elastic
neutrino-nucleus scattering. Beyond elastic scattering, neutrinos and dark
matter in this en... | [
{
"created": "Fri, 17 Jun 2022 07:25:30 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Dec 2022 03:02:40 GMT",
"version": "v2"
}
] | 2022-12-23 | [
[
"Dutta",
"Bhaskar",
""
],
[
"Huang",
"Wei-Chih",
""
],
[
"Newstead",
"Jayden L.",
""
],
[
"Pandey",
"Vishvas",
""
]
] | Neutrinos with energy of order 10~MeV, such as from pion decay-at-rest sources, are an invaluable tool for studying low-energy neutrino interactions with nuclei -- previously enabling the first measurement of coherent elastic neutrino-nucleus scattering. Beyond elastic scattering, neutrinos and dark matter in this ener... |
1703.07893 | Fernando Iguaz\'u Ram\'irez-Zavaleta | J. I. Aranda, E. Cruz-Albaro, D. Espinosa-G\'omez, J. Monta\~no, F.
Ram\'irez-Zavaleta, E. S. Tututi | Heavy neutral pseudoscalar decays into gauge bosons in the Littlest
Higgs Model | 12 pages and 9 figures | null | 10.1088/1361-6471/aa846d | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study two-body decays of a new neutral pseudoscalar into gauge bosons
within the context of the Littlest Higgs model. Concretely, the $\Phi^P \to WW,
VV, gg$ processes induced at the one-loop level, with $V=\gamma, Z$, are
considered. Since the branching ratios of the $\Phi^P \to VV$ decays result
very suppressed,... | [
{
"created": "Thu, 23 Mar 2017 00:17:50 GMT",
"version": "v1"
}
] | 2017-09-13 | [
[
"Aranda",
"J. I.",
""
],
[
"Cruz-Albaro",
"E.",
""
],
[
"Espinosa-Gómez",
"D.",
""
],
[
"Montaño",
"J.",
""
],
[
"Ramírez-Zavaleta",
"F.",
""
],
[
"Tututi",
"E. S.",
""
]
] | We study two-body decays of a new neutral pseudoscalar into gauge bosons within the context of the Littlest Higgs model. Concretely, the $\Phi^P \to WW, VV, gg$ processes induced at the one-loop level, with $V=\gamma, Z$, are considered. Since the branching ratios of the $\Phi^P \to VV$ decays result very suppressed, o... |
2211.04414 | Marc Winstel | Marc Winstel, Laurin Pannullo | Stability of homogeneous chiral phases against inhomogeneous
perturbations in 2+1 dimensions | 10 pages, 1 figure, contains ancillary files with plot data; talk
given at the 39th International Symposium on Lattice Field theory (LATTICE
2022) in Bonn; August 8-13 2022 | null | 10.22323/1.430.0195 | null | hep-ph cond-mat.str-el hep-lat | http://creativecommons.org/licenses/by-nc-nd/4.0/ | In this work, inhomogeneous chiral phases are studied in a variety of
Four-Fermion and Yukawa models in $2+1$ dimensions at zero and non-zero
temperature and chemical potentials. Employing the mean-field approximation, we
do not find indications for an inhomogeneous phase in any of the studied
models. We show that th... | [
{
"created": "Tue, 8 Nov 2022 17:59:46 GMT",
"version": "v1"
}
] | 2023-02-08 | [
[
"Winstel",
"Marc",
""
],
[
"Pannullo",
"Laurin",
""
]
] | In this work, inhomogeneous chiral phases are studied in a variety of Four-Fermion and Yukawa models in $2+1$ dimensions at zero and non-zero temperature and chemical potentials. Employing the mean-field approximation, we do not find indications for an inhomogeneous phase in any of the studied models. We show that the ... |
1611.03297 | Zhi-Wei Wang | Zhi-Wei Wang, Frederick S. Sage, T.G. Steele, R.B. Mann, T. Hanif | Conformal Complex Scalar Singlet Extensions of the Standard Model:
Symmetry Breaking Patterns and Phenomenology | 4 pages, 2 figures, Contribution to the proceedings of the 38th
International Conference of High Energy Physics (ICHEP), Chicago, Aug. 3-10,
2016 | null | null | CP3-Origins-2016-47 DNRF90 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a conformal complex singlet extension of the Standard Model with
a Higgs portal interaction. Two different scenarios depending on whether the
global U(1) symmetry is broken or not have been studied. In the unbroken phase,
the decay of the complex singlet is protected by the global U(1) symmetry which
lead... | [
{
"created": "Thu, 10 Nov 2016 13:30:40 GMT",
"version": "v1"
}
] | 2016-11-11 | [
[
"Wang",
"Zhi-Wei",
""
],
[
"Sage",
"Frederick S.",
""
],
[
"Steele",
"T. G.",
""
],
[
"Mann",
"R. B.",
""
],
[
"Hanif",
"T.",
""
]
] | We consider a conformal complex singlet extension of the Standard Model with a Higgs portal interaction. Two different scenarios depending on whether the global U(1) symmetry is broken or not have been studied. In the unbroken phase, the decay of the complex singlet is protected by the global U(1) symmetry which leads ... |
1601.02038 | Richard Gran | J. Schwehr, D. Cherdack, R. Gran | GENIE implementation of IFIC Valencia model for QE-like 2p2h
neutrino-nucleus cross section | 23 pages, 9 figures, technical note. Updated with scaling to full
range of nuclei and GENIE 2.12.6 | null | null | MINERvA experiment technical note 61 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The model by Nieves, Ruiz-Simo, and Vicente-Vacas and their group (IFIC,
Valencia, Spain) for 2p2h reactions that produce QE-like (no pion) final states
has been implemented in GENIE. Since the model currently does not predict the
kinematics of the outgoing hadrons, a simple two-nucleon system is grafted onto
the mod... | [
{
"created": "Fri, 8 Jan 2016 21:59:55 GMT",
"version": "v1"
},
{
"created": "Tue, 13 Jun 2017 16:30:25 GMT",
"version": "v2"
}
] | 2017-06-14 | [
[
"Schwehr",
"J.",
""
],
[
"Cherdack",
"D.",
""
],
[
"Gran",
"R.",
""
]
] | The model by Nieves, Ruiz-Simo, and Vicente-Vacas and their group (IFIC, Valencia, Spain) for 2p2h reactions that produce QE-like (no pion) final states has been implemented in GENIE. Since the model currently does not predict the kinematics of the outgoing hadrons, a simple two-nucleon system is grafted onto the model... |
2304.06080 | Praveen Bharadwaj | Aditya Batra, Praveen Bharadwaj, Sanjoy Mandal, Rahul Srivastava, and
Jos\'e W. F. Valle | Heavy neutrino signatures from leptophilic Higgs portal in the linear
seesaw | 10 pages, 4 figures | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Lepton collider setups can probe the neutrino sector in the linear seesaw
mechanism. Small neutrino masses are sourced by a tiny vacuum expectation value
of a leptophilic scalar Higgs doublet and are mediated by Quasi-Dirac heavy
neutrinos. These new particles can all be accessible to colliders. We describe
novel cha... | [
{
"created": "Wed, 12 Apr 2023 18:00:18 GMT",
"version": "v1"
}
] | 2023-04-14 | [
[
"Batra",
"Aditya",
""
],
[
"Bharadwaj",
"Praveen",
""
],
[
"Mandal",
"Sanjoy",
""
],
[
"Srivastava",
"Rahul",
""
],
[
"Valle",
"José W. F.",
""
]
] | Lepton collider setups can probe the neutrino sector in the linear seesaw mechanism. Small neutrino masses are sourced by a tiny vacuum expectation value of a leptophilic scalar Higgs doublet and are mediated by Quasi-Dirac heavy neutrinos. These new particles can all be accessible to colliders. We describe novel charg... |
1406.1791 | Fl. Stancu | N. Matagne and Fl. Stancu | Baryon resonances in large $N_c$ QCD | 45 pages, 5 figures, accepted for publication in Reviews of Modern
Physics | null | 10.1103/RevModPhys.87.211 | null | hep-ph hep-lat nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the current status and present open challenges of large $N_c$ QCD
baryon spectroscopy. After introducing the $1/N_c$ expansion method we first
shortly revisit the latest achievements for the ground state properties. Next
we discuss the applicability of this method to excited states, presenting two
different... | [
{
"created": "Thu, 5 Jun 2014 13:01:13 GMT",
"version": "v1"
},
{
"created": "Wed, 3 Dec 2014 15:28:59 GMT",
"version": "v2"
}
] | 2015-06-19 | [
[
"Matagne",
"N.",
""
],
[
"Stancu",
"Fl.",
""
]
] | We review the current status and present open challenges of large $N_c$ QCD baryon spectroscopy. After introducing the $1/N_c$ expansion method we first shortly revisit the latest achievements for the ground state properties. Next we discuss the applicability of this method to excited states, presenting two different a... |
1511.03804 | Hidekazu Tsukiji | Hidekazu Tsukiji, Hideaki Iida, Teiji Kunihiro, Akira Ohnishi, Toru T.
Takahashi | Study of entropy production in Yang-Mills theory with use of Husimi
function | 7 pages, 5 figures, Proceeding of the 33rd International Symposium on
Lattice Field Theory (Lattice 2015), 14-18 July 2015, Kobe International
Conference Center, Kobe, Japan | null | null | YITP-15-93, KUNS-2592 | hep-ph nucl-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Understanding the thermalization process in a pure quantum system is a
challenge in theoretical physics. In this work, we explore possible
thermalization mechanism in Yang-Mills(YM) theory by using a positive
semi-definite quantum distribution function called a Husimi function which is
given by a coarse graining of t... | [
{
"created": "Thu, 12 Nov 2015 07:33:15 GMT",
"version": "v1"
}
] | 2015-11-13 | [
[
"Tsukiji",
"Hidekazu",
""
],
[
"Iida",
"Hideaki",
""
],
[
"Kunihiro",
"Teiji",
""
],
[
"Ohnishi",
"Akira",
""
],
[
"Takahashi",
"Toru T.",
""
]
] | Understanding the thermalization process in a pure quantum system is a challenge in theoretical physics. In this work, we explore possible thermalization mechanism in Yang-Mills(YM) theory by using a positive semi-definite quantum distribution function called a Husimi function which is given by a coarse graining of the... |
1901.02987 | Ryu Sawada | Masahiko Saito, Ryu Sawada, Koji Terashi, Shoji Asai | Discovery reach for wino and higgsino dark matter with a disappearing
track signature at a 100 TeV $pp$ collider | 10 pages, 7 figures, 4 tables | Eur. Phys. J. C 79 (2019) 469 | 10.1140/epjc/s10052-019-6974-2 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Within the theory of supersymmetry, the lightest neutralino is a dark matter
candidate and is often assumed to be the lightest supersymmetric particle (LSP)
as well. If the neutral wino or higgsino is dark matter, the upper limit of the
LSP mass is determined by the observed relic density of dark matter. If the LSP
i... | [
{
"created": "Thu, 10 Jan 2019 01:11:34 GMT",
"version": "v1"
},
{
"created": "Mon, 17 Jun 2019 08:50:17 GMT",
"version": "v2"
}
] | 2019-06-18 | [
[
"Saito",
"Masahiko",
""
],
[
"Sawada",
"Ryu",
""
],
[
"Terashi",
"Koji",
""
],
[
"Asai",
"Shoji",
""
]
] | Within the theory of supersymmetry, the lightest neutralino is a dark matter candidate and is often assumed to be the lightest supersymmetric particle (LSP) as well. If the neutral wino or higgsino is dark matter, the upper limit of the LSP mass is determined by the observed relic density of dark matter. If the LSP is ... |
hep-ph/0009315 | Wallon Samuel | A. Shuvaev (PNPI St. Petersburg) and S. Wallon (LPT Orsay) | Soft gluon cascades and BFKL equation | completely revised and rewritten version, 19 pages, latex file, 6
figures using feynman package | null | null | LPT-ORSAY 00-76 | hep-ph | null | In this paper we deal with high energy scattering in the Regge limit, using a
soft cascade approach. We derive an evolution equation for the gluon density in
soft gluons cascades in the leading logarithmic approximation of perturbative
QCD, and show that this equation reproduces BFKL equation in the forward case.
The... | [
{
"created": "Wed, 27 Sep 2000 15:58:32 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Apr 2005 16:16:28 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Shuvaev",
"A.",
"",
"PNPI St. Petersburg"
],
[
"Wallon",
"S.",
"",
"LPT Orsay"
]
] | In this paper we deal with high energy scattering in the Regge limit, using a soft cascade approach. We derive an evolution equation for the gluon density in soft gluons cascades in the leading logarithmic approximation of perturbative QCD, and show that this equation reproduces BFKL equation in the forward case. The w... |
2202.12547 | Claude Bourrely | Claude Bourrely, Wen-Chen Chang, Jen-Chieh Peng | Pion Partonic Distributions in the Statistical Model from Pion-induced
Drell-Yan and $J/\Psi$ Production Data | 8 pages, 6 figures | Physical Review D 105, 076018 (2022) | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new analysis to extract pion parton distribution functions
(PDFs) within the framework of the statistical model. Starting from the
statistical model first developed for the spin-1/2 nucleon, we extend this
model to describe the spin-0 pion. Based on a combined fit to both the
pion-induced Drell-Yan data ... | [
{
"created": "Fri, 25 Feb 2022 08:21:32 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Apr 2022 07:28:19 GMT",
"version": "v2"
}
] | 2022-04-29 | [
[
"Bourrely",
"Claude",
""
],
[
"Chang",
"Wen-Chen",
""
],
[
"Peng",
"Jen-Chieh",
""
]
] | We present a new analysis to extract pion parton distribution functions (PDFs) within the framework of the statistical model. Starting from the statistical model first developed for the spin-1/2 nucleon, we extend this model to describe the spin-0 pion. Based on a combined fit to both the pion-induced Drell-Yan data an... |
2004.05172 | Pablo Escribano | Pablo Escribano, Mario Reig, Avelino Vicente | Generalizing the Scotogenic model | 26 pages, 5 figures, 1 table; v2: minor additions, matches published
version | null | 10.1007/JHEP07(2020)097 | IFIC/20-13 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Scotogenic model is an economical setup that induces Majorana neutrino
masses at the 1-loop level and includes a dark matter candidate. We discuss a
generalization of the original Scotogenic model with arbitrary numbers of
generations of singlet fermion and inert doublet scalar fields. First, the full
form of the... | [
{
"created": "Fri, 10 Apr 2020 18:00:01 GMT",
"version": "v1"
},
{
"created": "Tue, 21 Jul 2020 08:13:00 GMT",
"version": "v2"
}
] | 2020-08-26 | [
[
"Escribano",
"Pablo",
""
],
[
"Reig",
"Mario",
""
],
[
"Vicente",
"Avelino",
""
]
] | The Scotogenic model is an economical setup that induces Majorana neutrino masses at the 1-loop level and includes a dark matter candidate. We discuss a generalization of the original Scotogenic model with arbitrary numbers of generations of singlet fermion and inert doublet scalar fields. First, the full form of the l... |
2103.08153 | Shota Nakagawa | Shota Nakagawa, Fuminobu Takahashi, Masaki Yamada | Cosmic Birefringence Triggered by Dark Matter Domination | 6 pages, 2 figures | null | 10.1103/PhysRevLett.127.181103 | TU-1118, IPMU21-0018 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Cosmic birefringence is predicted if an axion-like particle (ALP) moves after
the recombination. We show that this naturally happens if the ALP is coupled to
the dark matter density because it then acquires a large effective mass after
the matter-radiation equality. Our scenario applies to a broad range of the ALP
ma... | [
{
"created": "Mon, 15 Mar 2021 06:22:59 GMT",
"version": "v1"
}
] | 2021-11-10 | [
[
"Nakagawa",
"Shota",
""
],
[
"Takahashi",
"Fuminobu",
""
],
[
"Yamada",
"Masaki",
""
]
] | Cosmic birefringence is predicted if an axion-like particle (ALP) moves after the recombination. We show that this naturally happens if the ALP is coupled to the dark matter density because it then acquires a large effective mass after the matter-radiation equality. Our scenario applies to a broad range of the ALP mass... |
hep-ph/0003133 | Oscar Vives | Antonio Masiero and Oscar Vives (SISSA-ISAS and INFN, Trieste) | New Physics behind the Standard Model's door? | 2 references added/corrected. Lectures given by A. Masiero at the
International School on Subnuclear Physics, Erice, Italy, 29 August--7
September 1999, 43 pages, 5 figures | null | 10.1142/9789812811585_0007 | SISSA/20/2000/EP | hep-ph | null | We review the main reasons pushing us beyond the SM and we argue in favor of
new physics at the electroweak scale (hence experimentally accessible at
present or near-future machines). We focus on the appealing possibility that
such new physics is given by a supersymmetric (SUSY) extension of the SM. We
discuss the mi... | [
{
"created": "Tue, 14 Mar 2000 19:06:18 GMT",
"version": "v1"
},
{
"created": "Sat, 22 Apr 2000 12:44:06 GMT",
"version": "v2"
}
] | 2017-08-23 | [
[
"Masiero",
"Antonio",
"",
"SISSA-ISAS and INFN, Trieste"
],
[
"Vives",
"Oscar",
"",
"SISSA-ISAS and INFN, Trieste"
]
] | We review the main reasons pushing us beyond the SM and we argue in favor of new physics at the electroweak scale (hence experimentally accessible at present or near-future machines). We focus on the appealing possibility that such new physics is given by a supersymmetric (SUSY) extension of the SM. We discuss the mini... |
0709.2759 | Satoru Akiyama | Satoru Akiyama and Masahiro Kawabata | Stability of the rotating SU(3) Skyrmion | 29 pages, 9 figures, references added, typos fixed | Phys.Rev.D76:096002,2007 | 10.1103/PhysRevD.76.096002 | null | hep-ph | null | The profile functions of the SU(3) Skyrme soliton are investigated for the
octet, decuplet, and antidecuplet baryons by the mean field approach. In this
approach, the profile functions are affected by the spatial rotation, the
flavor rotation, and the flavor symmetry breaking. The solitons are stable only
in the rest... | [
{
"created": "Tue, 18 Sep 2007 07:59:00 GMT",
"version": "v1"
},
{
"created": "Tue, 13 Nov 2007 01:52:15 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Akiyama",
"Satoru",
""
],
[
"Kawabata",
"Masahiro",
""
]
] | The profile functions of the SU(3) Skyrme soliton are investigated for the octet, decuplet, and antidecuplet baryons by the mean field approach. In this approach, the profile functions are affected by the spatial rotation, the flavor rotation, and the flavor symmetry breaking. The solitons are stable only in the restri... |
1411.2117 | Zhi-Feng Sun | Zhi-Feng Sun, Zhan-Wei Liu, Xiang Liu, and Shi-Lin Zhu | The masses and axial currents of the doubly charmed baryons | 10 pages, 2 tables, 3 figure. Accepted by Phys. Rev. D | Phys. Rev. D 91, 094030 (2015) | 10.1103/PhysRevD.91.094030 | ADP-14-33/T892 | hep-ph hep-ex hep-lat nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The chiral dynamics of the doubly heavy baryons is solely governed by the
light quark. In this work, We have derived the chiral corrections to the mass
of the doubly heavy baryons up to N$^3$LO. The mass splitting of $\Xi_{cc}$ and
$\Omega_{cc}$ at the N$^2$LO depends on one unknown low energy constant $c_7$.
With th... | [
{
"created": "Sat, 8 Nov 2014 13:11:19 GMT",
"version": "v1"
},
{
"created": "Sat, 9 May 2015 17:27:22 GMT",
"version": "v2"
},
{
"created": "Sun, 31 May 2015 16:35:39 GMT",
"version": "v3"
}
] | 2015-06-09 | [
[
"Sun",
"Zhi-Feng",
""
],
[
"Liu",
"Zhan-Wei",
""
],
[
"Liu",
"Xiang",
""
],
[
"Zhu",
"Shi-Lin",
""
]
] | The chiral dynamics of the doubly heavy baryons is solely governed by the light quark. In this work, We have derived the chiral corrections to the mass of the doubly heavy baryons up to N$^3$LO. The mass splitting of $\Xi_{cc}$ and $\Omega_{cc}$ at the N$^2$LO depends on one unknown low energy constant $c_7$. With the ... |
1902.09799 | Javier Vijande Asenjo | Javier Vijande, Jean-Marc Richard and Alfredo Valcarce | Few-body insights of multiquark exotic hadrons | Plenary talk at the XXII International Conference on Few-Body
Problems in Physics (FB22) | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this contribution we discuss the adequate treatment of the $4-$ and
$5-$body dynamics within a constituent quark framework. We stress that the
variational and Born-Oppenheimer approximations give energies rather close to
the exact ones, while the diquark approximation might be rather misleading.
Hall-Post inequali... | [
{
"created": "Tue, 26 Feb 2019 08:43:25 GMT",
"version": "v1"
}
] | 2019-02-27 | [
[
"Vijande",
"Javier",
""
],
[
"Richard",
"Jean-Marc",
""
],
[
"Valcarce",
"Alfredo",
""
]
] | In this contribution we discuss the adequate treatment of the $4-$ and $5-$body dynamics within a constituent quark framework. We stress that the variational and Born-Oppenheimer approximations give energies rather close to the exact ones, while the diquark approximation might be rather misleading. Hall-Post inequaliti... |
hep-ph/0212008 | Z. Xiao | Zhenjun Xiao and Liping Yao | Rare decay $B \to X_{s} \nu \bar \nu$ in the two-Higgs-doublet model of
type-III | 10 pages, 3 figures in eps and 1 in ps, Latex file | Commun.Theor.Phys.38:683-686,2002 | 10.1088/0253-6102/38/6/683 | null | hep-ph | null | In this paper, we calculated the new physics contribution to theoretically
very clean rare decay $B\to X_{s} \nu \bar{\nu}$ in the general
two-Higgs-doublet model (model III). Within the considered parameter space, we
found that (a) the new physics contribution can provide one to two orders of
enhancement to the bran... | [
{
"created": "Sun, 1 Dec 2002 04:08:39 GMT",
"version": "v1"
},
{
"created": "Wed, 11 Dec 2002 09:38:19 GMT",
"version": "v2"
}
] | 2018-01-17 | [
[
"Xiao",
"Zhenjun",
""
],
[
"Yao",
"Liping",
""
]
] | In this paper, we calculated the new physics contribution to theoretically very clean rare decay $B\to X_{s} \nu \bar{\nu}$ in the general two-Higgs-doublet model (model III). Within the considered parameter space, we found that (a) the new physics contribution can provide one to two orders of enhancement to the branch... |
1709.02218 | George W.-S. Hou | George W.-S. Hou | $P_5'$ Anomaly for Top: $tZ'$ Production at LHC | 6 pages, 8 figures. Talk presented at the APS Division of Particles
and Fields Meeting (DPF 2017), July 31-August 4, 2017, Fermilab. C170731 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The $P_5'$ anomaly uncovered by the LHCb experiment in $B \to K^*\mu\mu$
angular observables has motivated a possible $Z'$ boson that couples to
left-handed $b \to s$ transitions, where a model would be gauged $L_\mu -
L_\tau$ symmetry, but direct search for such a $Z'$ is not promising. Less
constrained is an analog... | [
{
"created": "Thu, 7 Sep 2017 13:02:50 GMT",
"version": "v1"
}
] | 2017-09-08 | [
[
"Hou",
"George W. -S.",
""
]
] | The $P_5'$ anomaly uncovered by the LHCb experiment in $B \to K^*\mu\mu$ angular observables has motivated a possible $Z'$ boson that couples to left-handed $b \to s$ transitions, where a model would be gauged $L_\mu - L_\tau$ symmetry, but direct search for such a $Z'$ is not promising. Less constrained is an analogou... |
hep-ph/9912405 | Nikolai Romanenko | K. Huitu, J. Maalampi, P. N. Pandita, K. Puolamaki, M. Raidal and N.
Romanenko | Tests of the left-right electroweak model at linear collider | 22 pages, 6 figures, DESY report | null | null | HIP-1999-77/TH | hep-ph | null | The left-right model is a gauge theory of electroweak interactions based on
the gauge symmetry SU(2)_R . The main motivations for this model are that it
gives an explanation for the parity violation of weak interactions, provides a
mechanism (see-saw) for generating neutrino masses, and has B-L as a gauge
symmetry. T... | [
{
"created": "Fri, 17 Dec 1999 16:45:47 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Huitu",
"K.",
""
],
[
"Maalampi",
"J.",
""
],
[
"Pandita",
"P. N.",
""
],
[
"Puolamaki",
"K.",
""
],
[
"Raidal",
"M.",
""
],
[
"Romanenko",
"N.",
""
]
] | The left-right model is a gauge theory of electroweak interactions based on the gauge symmetry SU(2)_R . The main motivations for this model are that it gives an explanation for the parity violation of weak interactions, provides a mechanism (see-saw) for generating neutrino masses, and has B-L as a gauge symmetry. The... |
hep-ph/9909475 | Tom Steele | Fang Shi, T.G. Steele, V.Elias, K.B. Sprague, Ying Xue, A.H. Fariborz | Hoelder Inequalities and Isospin Splitting of the Quark Scalar Mesons | 28 pages, latex2e, 10 embedded eps figues. Analysis extended | Nucl.Phys.A671:416-446,2000 | 10.1016/S0375-9474(99)00837-4 | null | hep-ph | null | A Hoelder inequality analysis of the QCD Laplace sum-rule which probes the
non-strange (n\bar n) components of the I={0,1} (light-quark) scalar mesons
supports the methodological consistency of an effective continuum contribution
from instanton effects. This revised formulation enhances the magnitude of the
instanton... | [
{
"created": "Wed, 22 Sep 1999 15:43:32 GMT",
"version": "v1"
},
{
"created": "Fri, 14 Jan 2000 15:14:57 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Shi",
"Fang",
""
],
[
"Steele",
"T. G.",
""
],
[
"Elias",
"V.",
""
],
[
"Sprague",
"K. B.",
""
],
[
"Xue",
"Ying",
""
],
[
"Fariborz",
"A. H.",
""
]
] | A Hoelder inequality analysis of the QCD Laplace sum-rule which probes the non-strange (n\bar n) components of the I={0,1} (light-quark) scalar mesons supports the methodological consistency of an effective continuum contribution from instanton effects. This revised formulation enhances the magnitude of the instanton c... |
hep-ph/9209234 | Zheng Huang | Zheng Huang | On the Anomalous Discrete Symmetry | 10 papges in LaTeX, SFU-Preprint-92-7 | Phys.Rev.D46:4818-4821,1992 | 10.1103/PhysRevD.46.R4818 | null | hep-ph | null | We examine an interesting scenario to solve the domain wall problem recently
suggested by Preskill, Trivedi, Wilczek and Wise. The effective potential is
calculated in the presence of the QCD axial anomaly. It is shown that some
discrete symmetries such as CP and Z_2 can be anomalous due to a so-called
$K$-term induc... | [
{
"created": "Mon, 14 Sep 1992 19:05:44 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Huang",
"Zheng",
""
]
] | We examine an interesting scenario to solve the domain wall problem recently suggested by Preskill, Trivedi, Wilczek and Wise. The effective potential is calculated in the presence of the QCD axial anomaly. It is shown that some discrete symmetries such as CP and Z_2 can be anomalous due to a so-called $K$-term induced... |
1501.05235 | Nadezda Chernyavskaya | Alexander Bylinkin, Nadezda Chernyavskaya, Andrei Rostovtsev | Predictions on the transverse momentum spectra for charged particle
production at LHC-energies from a two component model | 5 pages, 7 plots | null | 10.1140/epjc/s10052-015-3392-y | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Transverse momentum spectra, $d^2\sigma/(d\eta dp_T^2)$, of charged hadron
production in $pp$-collisions are considered in terms of a recently introduced
two component model. The shapes of the particle distributions vary as a
function of c.m.s. energy in the collision and the measured pseudorapidity
interval. In orde... | [
{
"created": "Wed, 21 Jan 2015 17:19:56 GMT",
"version": "v1"
}
] | 2015-05-20 | [
[
"Bylinkin",
"Alexander",
""
],
[
"Chernyavskaya",
"Nadezda",
""
],
[
"Rostovtsev",
"Andrei",
""
]
] | Transverse momentum spectra, $d^2\sigma/(d\eta dp_T^2)$, of charged hadron production in $pp$-collisions are considered in terms of a recently introduced two component model. The shapes of the particle distributions vary as a function of c.m.s. energy in the collision and the measured pseudorapidity interval. In order ... |
hep-ph/0505022 | Mikhail Gorshteyn | M. Gorchtein | Beam normal spin asymmetry in the equivalent photon approximation | 10 pages, 5 figures; revtex | null | null | null | hep-ph nucl-th | null | The two-photon exchange contribution to the single spin asymmetries with the
spin orientation normal to the reaction plane is discussed for elastic
electron-proton scattering in Regge regime. For this, the equivalent photon
approximation is adopted. In this case, hadronic part of the two-photon
exchange amplitude des... | [
{
"created": "Tue, 3 May 2005 19:54:59 GMT",
"version": "v1"
},
{
"created": "Tue, 3 May 2005 20:02:07 GMT",
"version": "v2"
},
{
"created": "Tue, 10 May 2005 19:11:08 GMT",
"version": "v3"
}
] | 2015-07-22 | [
[
"Gorchtein",
"M.",
""
]
] | The two-photon exchange contribution to the single spin asymmetries with the spin orientation normal to the reaction plane is discussed for elastic electron-proton scattering in Regge regime. For this, the equivalent photon approximation is adopted. In this case, hadronic part of the two-photon exchange amplitude descr... |
hep-ph/0509318 | Kamalov Sabit | S. N. Yang (Department of Physics, NTU, Taipei, Taiwan), S. S. Kamalov
(Laboratory of Theoretical Physics, JINR, Dubna, Russia) | Dynamical study of $\gamma^*N \leftrightarrow \Delta$ transition with
$N(e,e'p)\pi$ | 4 pages, 2 postscript figures, contr. to Int. Conf. on QCD and
Hadronic Physics, Beijing from Jun 16-20, 2005 | Int.J.Mod.Phys. A21 (2006) 873-876 | 10.1142/S0217751X06032204 | null | hep-ph | null | The Dubna-Mainz-Taipei (DMT) dynamical model for pion electromagnetic
production, which describe well the existing data from threshold up to 1 GeV
photon lab energy is presented and used to analyze recent data in the $\Delta$
region . We find that within DMT model, the bare $\Delta$ is almost spherical
while the phys... | [
{
"created": "Wed, 28 Sep 2005 07:47:25 GMT",
"version": "v1"
}
] | 2016-09-06 | [
[
"Yang",
"S. N.",
"",
"Department of Physics, NTU, Taipei, Taiwan"
],
[
"Kamalov",
"S. S.",
"",
"Laboratory of Theoretical Physics, JINR, Dubna, Russia"
]
] | The Dubna-Mainz-Taipei (DMT) dynamical model for pion electromagnetic production, which describe well the existing data from threshold up to 1 GeV photon lab energy is presented and used to analyze recent data in the $\Delta$ region . We find that within DMT model, the bare $\Delta$ is almost spherical while the physic... |
2011.02171 | Hiranmaya Mishra | Guruprasad Kadam, Hiranmaya Mishra, Marco Panero | Critical exponents and transport properties near the QCD critical
endpoint from the statistical bootstrap model | 21 pages, 6 figures. Published version | Eur. Phys. J. C 81 (2021) 9, 795 | 10.1140/epjc/s10052-021-09596-6 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an estimate of the behaviour of the shear and bulk viscosity
coefficients when the QCD critical point is approached from the hadronic side,
describing hadronic matter within the statistical bootstrap model (SBM) of
strong interactions. The boostrap model shows critical behavior near the
quark-hadron transi... | [
{
"created": "Wed, 4 Nov 2020 08:20:47 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Oct 2021 05:36:06 GMT",
"version": "v2"
}
] | 2021-10-14 | [
[
"Kadam",
"Guruprasad",
""
],
[
"Mishra",
"Hiranmaya",
""
],
[
"Panero",
"Marco",
""
]
] | We present an estimate of the behaviour of the shear and bulk viscosity coefficients when the QCD critical point is approached from the hadronic side, describing hadronic matter within the statistical bootstrap model (SBM) of strong interactions. The boostrap model shows critical behavior near the quark-hadron transiti... |
1405.7583 | Alberto Mart\'inez Torres | A. Martinez Torres, K. P. Khemchandani, F. S. Navarra, M. Nielsen,
Luciano M. Abreu | On $X(3872)$ production in high energy heavy ion collisions | null | Phys. Rev. D 90, 114023 (2014) | 10.1103/PhysRevD.90.114023 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We have determined the production cross sections of the $X(3872)$ state in
the reactions $\bar D D\to\pi X$, $\bar D^* D\to \pi X$ and $\bar D^* D^*\to\pi
X$, information which is useful for studies of the $X(3872)$ meson abundance in
heavy ion collisions. We construct a formalism considering $X$ as a molecular
bound... | [
{
"created": "Thu, 29 May 2014 15:08:11 GMT",
"version": "v1"
}
] | 2014-12-24 | [
[
"Torres",
"A. Martinez",
""
],
[
"Khemchandani",
"K. P.",
""
],
[
"Navarra",
"F. S.",
""
],
[
"Nielsen",
"M.",
""
],
[
"Abreu",
"Luciano M.",
""
]
] | We have determined the production cross sections of the $X(3872)$ state in the reactions $\bar D D\to\pi X$, $\bar D^* D\to \pi X$ and $\bar D^* D^*\to\pi X$, information which is useful for studies of the $X(3872)$ meson abundance in heavy ion collisions. We construct a formalism considering $X$ as a molecular bound s... |
0706.1281 | Nausheen Shah | Anibal D. Medina, Nausheen R. Shah and Carlos E. M. Wagner | Gauge-Higgs Unification and Radiative Electroweak Symmetry Breaking in
Warped Extra Dimensions | 31 pages, 9 figures. Corrected typo in boundary condition for gauge
bosons and top mass equation. To appear in PRD | Phys.Rev.D76:095010,2007 | 10.1103/PhysRevD.76.095010 | null | hep-ph hep-ex hep-th | null | We compute the Coleman Weinberg effective potential for the Higgs field in RS
Gauge-Higgs unification scenarios based on a bulk SO(5) x U(1)_X gauge
symmetry, with gauge and fermion fields propagating in the bulk and a custodial
symmetry protecting the generation of large corrections to the T parameter and
the coupli... | [
{
"created": "Sat, 9 Jun 2007 02:11:56 GMT",
"version": "v1"
},
{
"created": "Tue, 11 Sep 2007 14:13:09 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Medina",
"Anibal D.",
""
],
[
"Shah",
"Nausheen R.",
""
],
[
"Wagner",
"Carlos E. M.",
""
]
] | We compute the Coleman Weinberg effective potential for the Higgs field in RS Gauge-Higgs unification scenarios based on a bulk SO(5) x U(1)_X gauge symmetry, with gauge and fermion fields propagating in the bulk and a custodial symmetry protecting the generation of large corrections to the T parameter and the coupling... |
hep-ph/9608490 | Stephen Hsu | N. Evans, S.D.H. Hsu, A. Nyffeler and M. Schwetz (Yale University) | QCD at Large $\theta$ Angle and Axion Cosmology | 12 pages, LaTeX, 5 epsf figures | Nucl.Phys. B494 (1997) 200-212 | 10.1016/S0550-3213(97)00174-0 | YCTP-P14-96 | hep-ph hep-th | null | We use the chiral Lagrangian to investigate the global properties of the
$N$-flavor QCD vacuum as a function of the $\theta$ parameter. In the case of
exact quark degeneracy we find evidence for first order phase transitions at
$\theta = \pi \cdot ({\rm odd~ integer})$. The first order transitions are
smoothed by qua... | [
{
"created": "Thu, 29 Aug 1996 18:14:00 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Evans",
"N.",
"",
"Yale University"
],
[
"Hsu",
"S. D. H.",
"",
"Yale University"
],
[
"Nyffeler",
"A.",
"",
"Yale University"
],
[
"Schwetz",
"M.",
"",
"Yale University"
]
] | We use the chiral Lagrangian to investigate the global properties of the $N$-flavor QCD vacuum as a function of the $\theta$ parameter. In the case of exact quark degeneracy we find evidence for first order phase transitions at $\theta = \pi \cdot ({\rm odd~ integer})$. The first order transitions are smoothed by quark... |
1612.07967 | Ulrich Nierste | Teppei Kitahara, Ulrich Nierste, and Paul Tremper | Direct CP violation in $K\to \pi \pi$ decays and supersymmetry | Talk at ICHEP 2016, Chicago | null | null | TTP16-059 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The quantities $\epsilon_K^\prime$ and $\epsilon_K$ measure the amount of
direct and indirect CP violation in $K\to \pi\pi$ decays, respectively. Using
the recent lattice results from the RBC and UKQCD Collaborations and a new
compact implementation of the $\Delta S=1$ renormalization group evolution we
predict $ \mb... | [
{
"created": "Fri, 23 Dec 2016 13:41:48 GMT",
"version": "v1"
}
] | 2016-12-26 | [
[
"Kitahara",
"Teppei",
""
],
[
"Nierste",
"Ulrich",
""
],
[
"Tremper",
"Paul",
""
]
] | The quantities $\epsilon_K^\prime$ and $\epsilon_K$ measure the amount of direct and indirect CP violation in $K\to \pi\pi$ decays, respectively. Using the recent lattice results from the RBC and UKQCD Collaborations and a new compact implementation of the $\Delta S=1$ renormalization group evolution we predict $ \mbox... |
hep-ph/0009120 | Jeroen Vink | M. Salle, J. Smit, J.C. Vink | Scalar Field Dynamics: Classical, Quantum and in Between | Presented at SEWM 2000, 6 pages including figures, reference
corrected | null | 10.1142/9789812799913_0042 | null | hep-ph | null | Using a Hartree ensemble approximation, we investigate the dynamics of the
\f^4 model in 1+1 dimensions. We find that the fields initially thermalize with
a Bose-Einstein distribution for the fields. Gradually, however, the
distribution changes towards classical equipartition. Using suitable initial
conditions quantu... | [
{
"created": "Mon, 11 Sep 2000 12:40:53 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Oct 2000 07:08:11 GMT",
"version": "v2"
}
] | 2017-08-23 | [
[
"Salle",
"M.",
""
],
[
"Smit",
"J.",
""
],
[
"Vink",
"J. C.",
""
]
] | Using a Hartree ensemble approximation, we investigate the dynamics of the \f^4 model in 1+1 dimensions. We find that the fields initially thermalize with a Bose-Einstein distribution for the fields. Gradually, however, the distribution changes towards classical equipartition. Using suitable initial conditions quantum ... |
2008.10568 | Noah Steinberg | Benjamin Sheff, Noah Steinberg, James D. Wells | Higgs boson decays into narrow di-photon jets and their search
strategies at the Large Hadron Collider | 18 pages, 6 figures | Phys. Rev. D 104, 036009 (2021) | 10.1103/PhysRevD.104.036009 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In many extensions of the Standard Model the Higgs boson can decay into two
light scalars each of which then subsequently decay into two photons. The
underlying event is h $\to$ 4$\gamma$, but the kinematics from boosted light
scalar decays combined with realistic detector resolutions may fail to register
the events ... | [
{
"created": "Mon, 24 Aug 2020 17:15:03 GMT",
"version": "v1"
}
] | 2021-09-01 | [
[
"Sheff",
"Benjamin",
""
],
[
"Steinberg",
"Noah",
""
],
[
"Wells",
"James D.",
""
]
] | In many extensions of the Standard Model the Higgs boson can decay into two light scalars each of which then subsequently decay into two photons. The underlying event is h $\to$ 4$\gamma$, but the kinematics from boosted light scalar decays combined with realistic detector resolutions may fail to register the events in... |
0804.2867 | Yin Lin | Yin Lin | A predictive A4 model, Charged Lepton Hierarchy and Tri-bimaximal Sum
Rule | 15 pages, minor changes and some typos corrected | null | 10.1016/j.nuclphysb.2008.12.025 | DFPD-08/TH/04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a novel A4 model in which the Tri-Bimaximal (TB) neutrino mixing
and the charged lepton mass hierarchy are reproduced simultaneously. At leading
order, the residual symmetry of the neutrino sector is Z2 x Z2 which guarantees
the TB mixing without adjusting ad hoc free parameters. In the charged lepton
sect... | [
{
"created": "Thu, 17 Apr 2008 18:19:38 GMT",
"version": "v1"
},
{
"created": "Tue, 20 May 2008 18:36:41 GMT",
"version": "v2"
}
] | 2009-11-13 | [
[
"Lin",
"Yin",
""
]
] | We propose a novel A4 model in which the Tri-Bimaximal (TB) neutrino mixing and the charged lepton mass hierarchy are reproduced simultaneously. At leading order, the residual symmetry of the neutrino sector is Z2 x Z2 which guarantees the TB mixing without adjusting ad hoc free parameters. In the charged lepton sector... |
1003.4497 | Douglas Higinbotham | D. W. Higinbotham, J. Gomez, E. Piasetzky | Nuclear Scaling and the EMC Effect | 14 pages, 3 figures, 1 table | null | null | JLAB-PHY-10-1158 | hep-ph nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Results of recent EMC effect measurements and nuclear scaling measurements
have both been attributed to local nuclear density effects and not properties
of the bulk nuclear system. This lead us to the phenomenological observation
that the ratio of the slopes in the 0.3 < x_B < 0.7 EMC data scale as the ratio
of the x... | [
{
"created": "Tue, 23 Mar 2010 19:39:33 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Sep 2010 12:12:10 GMT",
"version": "v2"
}
] | 2010-09-21 | [
[
"Higinbotham",
"D. W.",
""
],
[
"Gomez",
"J.",
""
],
[
"Piasetzky",
"E.",
""
]
] | Results of recent EMC effect measurements and nuclear scaling measurements have both been attributed to local nuclear density effects and not properties of the bulk nuclear system. This lead us to the phenomenological observation that the ratio of the slopes in the 0.3 < x_B < 0.7 EMC data scale as the ratio of the x_B... |
2212.02949 | Supriya Pan | Animesh Chatterjee, Srubabati Goswami, Supriya Pan | Matter effect in presence of a sterile neutrino and resolution of the
octant degeneracy using a liquid argon detector | 25 pages, 18 figures | null | null | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Results from the experiments like LSND, and MiniBooNE hint towards the
possible presence of an extra eV scale sterile neutrino. The addition of such a
neutrino will significantly impact the standard three flavour neutrino
oscillations; in particular, it can give rise to additional degeneracies due to
new sterile para... | [
{
"created": "Tue, 6 Dec 2022 13:07:56 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Jan 2023 13:56:26 GMT",
"version": "v2"
},
{
"created": "Tue, 17 Oct 2023 09:43:25 GMT",
"version": "v3"
}
] | 2023-10-18 | [
[
"Chatterjee",
"Animesh",
""
],
[
"Goswami",
"Srubabati",
""
],
[
"Pan",
"Supriya",
""
]
] | Results from the experiments like LSND, and MiniBooNE hint towards the possible presence of an extra eV scale sterile neutrino. The addition of such a neutrino will significantly impact the standard three flavour neutrino oscillations; in particular, it can give rise to additional degeneracies due to new sterile parame... |
1605.05328 | Michele Lucente | Michele Lucente, Asmaa Abada, Giorgio Arcadi and Valerie Domcke | Lepton number symmetry as a way to testable leptogenesis | 8 pages, 4 figures. To appear in the proceedings of the 51st
Rencontres de Moriond EW 2016, 12-19 March 2016 in La Thuile, Italy. v2:
discussion on thermal leptogenesis extended, references added | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a minimal and motivated extension of the Standard Model
characterised by an approximate lepton number conservation, which is able to
simultaneously generate neutrino masses and to account for a successful
baryogenesis via leptogenesis. The sterile fermions involved in the
leptogenesis process have masses a... | [
{
"created": "Tue, 17 May 2016 20:00:02 GMT",
"version": "v1"
},
{
"created": "Tue, 23 Aug 2016 14:42:00 GMT",
"version": "v2"
}
] | 2016-08-24 | [
[
"Lucente",
"Michele",
""
],
[
"Abada",
"Asmaa",
""
],
[
"Arcadi",
"Giorgio",
""
],
[
"Domcke",
"Valerie",
""
]
] | We propose a minimal and motivated extension of the Standard Model characterised by an approximate lepton number conservation, which is able to simultaneously generate neutrino masses and to account for a successful baryogenesis via leptogenesis. The sterile fermions involved in the leptogenesis process have masses at ... |
1911.08502 | Anton Chudaykin A. S. | F. Bezrukov, A. Chudaykin, D. Gorbunov | Scalar induced resonant sterile neutrino production in the early
Universe | v1: 29 pages, 6 figures. v2: a clear explanation of differences and
improvements with respect to previous works is added, published version | Phys. Rev. D 101, 103516 (2020) | 10.1103/PhysRevD.101.103516 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It has been recently suggested \cite{Bezrukov:2017ike,Bezrukov:2018wvd} that
a cosmic scalar field can completely change the keV-scale sterile neutrino
production in the early Universe. Its effect may, for various parameter
choices, either suppress sterile neutrino production and make moderate
active-sterile mixing c... | [
{
"created": "Tue, 19 Nov 2019 19:00:35 GMT",
"version": "v1"
},
{
"created": "Mon, 13 Jul 2020 10:40:10 GMT",
"version": "v2"
}
] | 2020-07-14 | [
[
"Bezrukov",
"F.",
""
],
[
"Chudaykin",
"A.",
""
],
[
"Gorbunov",
"D.",
""
]
] | It has been recently suggested \cite{Bezrukov:2017ike,Bezrukov:2018wvd} that a cosmic scalar field can completely change the keV-scale sterile neutrino production in the early Universe. Its effect may, for various parameter choices, either suppress sterile neutrino production and make moderate active-sterile mixing cos... |
1606.09621 | Yotam Soreq | Yotam Soreq, Hua Xing Zhu, Jure Zupan | Light quark Yukawa couplings from Higgs kinematics | 15 pages, 7 figures; v2: add clarifications, plot and refs.
conclusion unchanged; v3: matched to the published version | null | 10.1007/JHEP12(2016)045 | MIT-CTP/4817 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that the normalized Higgs production $p_T$ and $y_h$ distributions
are sensitive probes of Higgs couplings to light quarks. For up and/or down
quark Yukawa couplings comparable to the SM $b$ quark Yukawa the $\bar u u$ or
$\bar d d$ fusion production of the Higgs could lead to appreciable softer
$p_T$ distrib... | [
{
"created": "Thu, 30 Jun 2016 19:20:05 GMT",
"version": "v1"
},
{
"created": "Tue, 16 Aug 2016 11:51:57 GMT",
"version": "v2"
},
{
"created": "Wed, 21 Dec 2016 15:44:54 GMT",
"version": "v3"
}
] | 2017-02-01 | [
[
"Soreq",
"Yotam",
""
],
[
"Zhu",
"Hua Xing",
""
],
[
"Zupan",
"Jure",
""
]
] | We show that the normalized Higgs production $p_T$ and $y_h$ distributions are sensitive probes of Higgs couplings to light quarks. For up and/or down quark Yukawa couplings comparable to the SM $b$ quark Yukawa the $\bar u u$ or $\bar d d$ fusion production of the Higgs could lead to appreciable softer $p_T$ distribut... |
hep-ph/0004242 | Yi Jiang | Zhou Fei, Ma Wen-Gan, Jiang Yi and Han Liang | Pair production of neutralinos via photon-photon collisions | LaTex File, 3 EPS Files, 17 pages | null | 10.1103/PhysRevD.62.115006 | null | hep-ph | null | We investigated the production of neutralino pairs via photon-photon
collisions in the minimal supersymmetric model(MSSM) at future linear
colliders. The numerical analysis of their production rates is carried out in
the mSUGRA scenario. The results show that this cross section can reach about
18 femto barn for $\til... | [
{
"created": "Thu, 27 Apr 2000 08:47:53 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Dec 2000 08:40:49 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Fei",
"Zhou",
""
],
[
"Wen-Gan",
"Ma",
""
],
[
"Yi",
"Jiang",
""
],
[
"Liang",
"Han",
""
]
] | We investigated the production of neutralino pairs via photon-photon collisions in the minimal supersymmetric model(MSSM) at future linear colliders. The numerical analysis of their production rates is carried out in the mSUGRA scenario. The results show that this cross section can reach about 18 femto barn for $\tilde... |
hep-ph/0701097 | Thorsten Renk | Thorsten Renk, Kari J. Eskola | Angular hadron correlations probing the early medium evolution | Talk given at the 19th International Conference on Ultrarelativistic
Nucleus-Nucleus Collisions: Quark Matter 2006 (QM 2006), Shanghai, China,
14-20 Nov 2006 | J.Phys.G34:S663-666,2007 | 10.1088/0954-3899/34/8/S68 | null | hep-ph | null | Hard processes are a well calibrated probe to study heavy-ion collisions.
However, the information to be gained from the nuclear suppression factor R_AA
is limited, hene one has to study more differential observables to do medium
tomography. The angular correlations of hadrons associated with a hard trigger
appear su... | [
{
"created": "Fri, 12 Jan 2007 13:05:33 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Renk",
"Thorsten",
""
],
[
"Eskola",
"Kari J.",
""
]
] | Hard processes are a well calibrated probe to study heavy-ion collisions. However, the information to be gained from the nuclear suppression factor R_AA is limited, hene one has to study more differential observables to do medium tomography. The angular correlations of hadrons associated with a hard trigger appear suit... |
hep-ph/0205064 | Elizabeth H. Simmons | R.S. Chivukula and E.H. Simmons | Electroweak Limits on Non-Universal Z' Bosons | 17 pages, 5 figures; added references; updated figures | Phys.Rev.D66:015006,2002 | 10.1103/PhysRevD.66.015006 | BUHEP-02-16, HUPT-02/A002 | hep-ph hep-ex | null | Many types of physics beyond the standard model include an extended
electroweak gauge group. If these extensions are associated with flavor
symmetry breaking, the gauge interactions will not be flavor-universal. In this
note we update the bounds placed by electroweak data on the existence of flavor
non-universal exte... | [
{
"created": "Tue, 7 May 2002 16:09:35 GMT",
"version": "v1"
},
{
"created": "Wed, 22 May 2002 20:30:59 GMT",
"version": "v2"
},
{
"created": "Wed, 5 Jun 2002 13:58:42 GMT",
"version": "v3"
}
] | 2008-11-26 | [
[
"Chivukula",
"R. S.",
""
],
[
"Simmons",
"E. H.",
""
]
] | Many types of physics beyond the standard model include an extended electroweak gauge group. If these extensions are associated with flavor symmetry breaking, the gauge interactions will not be flavor-universal. In this note we update the bounds placed by electroweak data on the existence of flavor non-universal extens... |
2002.01829 | Josip Trampetic Dr. | Raul Horvat, Dusko Latas, Josip Trampetic and Jiangyang You | Light-by-Light Scattering and Spacetime Noncommutativity | 8 pages, 3 figures, version to be published in PRD | null | 10.1103/PhysRevD.101.095035 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The aim of this article is to explore a potential usability of a
photon-photon self-interaction from the noncommutative quantum electrodynamics
(NCQED) in the case of light-by-light scattering
($\gamma\gamma\to\gamma\gamma$) in ultraperipheral Pb+Pb collisions, a reaction
measured recently by ATLAS and planned for fu... | [
{
"created": "Wed, 5 Feb 2020 15:29:14 GMT",
"version": "v1"
},
{
"created": "Thu, 7 May 2020 14:12:55 GMT",
"version": "v2"
}
] | 2020-06-24 | [
[
"Horvat",
"Raul",
""
],
[
"Latas",
"Dusko",
""
],
[
"Trampetic",
"Josip",
""
],
[
"You",
"Jiangyang",
""
]
] | The aim of this article is to explore a potential usability of a photon-photon self-interaction from the noncommutative quantum electrodynamics (NCQED) in the case of light-by-light scattering ($\gamma\gamma\to\gamma\gamma$) in ultraperipheral Pb+Pb collisions, a reaction measured recently by ATLAS and planned for futu... |
1803.08521 | Miguel Nebot | Francisco J. Botella, Fernando Cornet-Gomez (Valencia U. and IFIC),
Miguel Nebot (Lisbon IST and CFTP) | Flavour Conservation in Two Higgs Doublet Models | 40 pages, 5 figures, 4 tables. Misleading appendix removed | null | 10.1103/PhysRevD.98.035046 | IFIC/18-004, CFTP/18-004 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In extensions of the Standard Model with two Higgs doublets, flavour changing
Yukawa couplings of the neutral scalars may be present at tree level. In this
work we consider the most general scenario in which those flavour changing
couplings are absent. We re-analyse the conditions that the Yukawa coupling
matrices mu... | [
{
"created": "Thu, 22 Mar 2018 18:01:52 GMT",
"version": "v1"
},
{
"created": "Thu, 31 May 2018 14:49:43 GMT",
"version": "v2"
}
] | 2018-09-26 | [
[
"Botella",
"Francisco J.",
"",
"Valencia U. and IFIC"
],
[
"Cornet-Gomez",
"Fernando",
"",
"Valencia U. and IFIC"
],
[
"Nebot",
"Miguel",
"",
"Lisbon IST and CFTP"
]
] | In extensions of the Standard Model with two Higgs doublets, flavour changing Yukawa couplings of the neutral scalars may be present at tree level. In this work we consider the most general scenario in which those flavour changing couplings are absent. We re-analyse the conditions that the Yukawa coupling matrices must... |
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