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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hep-ph/0007147 | Elena Goubankova | Elena Gubankova | Flow equations in the light-front QCD | 12 pages, LaTeX2e, uses sprocl.sty, Talk presented at the 4th
Workshop "Continuous Advances in QCD", Minneapolis, Minnesota, May 12-14,
2000 | null | null | null | hep-ph | null | Flow equations method of continuous unitary transformations is used to
eliminate the minimal quark-gluon interaction in the light-front quantized QCD
Hamiltonian. The coupled differential equations in the two lowest Fock sectors
correspond to the renormalization of the light-front gluon mass and the
generation of eff... | [
{
"created": "Thu, 13 Jul 2000 23:28:33 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Gubankova",
"Elena",
""
]
] | Flow equations method of continuous unitary transformations is used to eliminate the minimal quark-gluon interaction in the light-front quantized QCD Hamiltonian. The coupled differential equations in the two lowest Fock sectors correspond to the renormalization of the light-front gluon mass and the generation of effec... |
hep-ph/0609143 | Sherstnev Alexander | A. Sherstnev | Prospects for b-quark production cross section measurements in pp
collisions at the LHC | 4 pages, 6 figures. Talk given at the 7th International Conference on
Hyperons, Charm And Beauty Hadrons (BEACH 2006), 2-8 July 2006, Lancaster, UK | Nucl.Phys.Proc.Suppl.167:21-24,2007 | 10.1016/j.nuclphysbps.2006.12.084 | null | hep-ph | null | A brief review of theoretical and experimental aspects of $b$-quark
production measurements at the LHC.
| [
{
"created": "Thu, 14 Sep 2006 17:43:29 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Sherstnev",
"A.",
""
]
] | A brief review of theoretical and experimental aspects of $b$-quark production measurements at the LHC. |
1605.08216 | Dremin | I.M. Dremin | Critical behavior of cross sections at LHC | 12 pages, 1 Fig | null | 10.1142/S0217751X16501074 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recent experimental data on elastic scattering of high energy protons show
that the critical regime has been reached at LHC energies. The approach to
criticality is demonstrated by increase of the ratio of elastic to total cross
sections from ISR to LHC energies. At LHC it reaches the value which can result
in princi... | [
{
"created": "Thu, 26 May 2016 10:14:30 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Jun 2016 11:49:14 GMT",
"version": "v2"
}
] | 2016-08-03 | [
[
"Dremin",
"I. M.",
""
]
] | Recent experimental data on elastic scattering of high energy protons show that the critical regime has been reached at LHC energies. The approach to criticality is demonstrated by increase of the ratio of elastic to total cross sections from ISR to LHC energies. At LHC it reaches the value which can result in principa... |
hep-ph/0110006 | Yuri V. Novozhilov | Victor Novozhilov and Yuri Novozhilov (St.Petersburg University) | Colour chiral solitons in low energy QCD | 12 pages, Latex, Discussion of the confining potential between colour
solitons and journal reference are added | Physics Letters B 522 (2001) 49-56 | 10.1016/S0370-2693(01)01263-1 | null | hep-ph | null | We derive an effective colour chiral action with a background gauge field.
The action describes configurations of soliton-skyrmion type. Kinetic term
constant $f_0^2$, analogue of $f_\pi ^2$, is a phenomenological dimensional
parameter of the model; $d=4$ terms are unique up to the choice of background
gauge field. T... | [
{
"created": "Sat, 29 Sep 2001 04:55:10 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Apr 2002 18:10:27 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Novozhilov",
"Victor",
"",
"St.Petersburg University"
],
[
"Novozhilov",
"Yuri",
"",
"St.Petersburg University"
]
] | We derive an effective colour chiral action with a background gauge field. The action describes configurations of soliton-skyrmion type. Kinetic term constant $f_0^2$, analogue of $f_\pi ^2$, is a phenomenological dimensional parameter of the model; $d=4$ terms are unique up to the choice of background gauge field. The... |
1802.01805 | Mosleh Almarashi | M. M. Almarashi | The second lightest CP-even Higgs boson signals in the NMSSM at the LHC | 12 pages, 6 figures, 37 subfigures | Int.J.Mod.Phys. A33 (2018) 1850071 | 10.1142/S0217751X18500719 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the signal rates of the second lightest CP-even Higgs boson, $h_2$,
of the NMSSM produced in gluon fusion, in association with bottom quarks and in
association with top quarks, which is not the SM-like Higgs boson, at the LHC.
We evaluate the production rates of the $h_2$ in the SM fermionic and bosonic
fina... | [
{
"created": "Tue, 6 Feb 2018 05:35:22 GMT",
"version": "v1"
},
{
"created": "Thu, 1 Mar 2018 07:49:52 GMT",
"version": "v2"
},
{
"created": "Mon, 2 Apr 2018 04:50:41 GMT",
"version": "v3"
}
] | 2018-04-05 | [
[
"Almarashi",
"M. M.",
""
]
] | We study the signal rates of the second lightest CP-even Higgs boson, $h_2$, of the NMSSM produced in gluon fusion, in association with bottom quarks and in association with top quarks, which is not the SM-like Higgs boson, at the LHC. We evaluate the production rates of the $h_2$ in the SM fermionic and bosonic final ... |
1708.09849 | Gauthier Durieux | Gauthier Durieux | Precision constraints on the top-quark effective field theory at future
lepton colliders | 5 pages, contribution to DIS 2017 proceedings | null | null | DESY 17-123 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | We examine the constraints that future lepton colliders would impose on the
effective field theory describing modifications of top-quark interactions
beyond the standard model, through measurements of the $e^+e^-\to bW^+\:\bar
bW^-$ process. Statistically optimal observables are exploited to constrain
simultaneously ... | [
{
"created": "Thu, 31 Aug 2017 17:55:10 GMT",
"version": "v1"
}
] | 2017-09-01 | [
[
"Durieux",
"Gauthier",
""
]
] | We examine the constraints that future lepton colliders would impose on the effective field theory describing modifications of top-quark interactions beyond the standard model, through measurements of the $e^+e^-\to bW^+\:\bar bW^-$ process. Statistically optimal observables are exploited to constrain simultaneously an... |
hep-ph/9311325 | null | Matthias Neubert | QCD-Based Interpretation of the Lepton Spectrum in Inclusive $\bar B\to
X_u\,\ell\,\bar\nu$ Decays | 17 pages LaTeX, 3 post- script figures available upon request,
CERN-TH.7087/93 | Phys.Rev.D49:3392-3398,1994 | 10.1103/PhysRevD.49.3392 | null | hep-ph | null | We present a QCD-based approach to the endpoint region of the lepton spectrum
in $\bar B\to X_u\,\ell\,\bar\nu$ decays. We introduce a genuinely
nonperturbative form factor, the shape function, which describes the fall-off
of the spectrum close to the endpoint. The moments of this function are related
to forward scat... | [
{
"created": "Sun, 21 Nov 1993 18:55:37 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Neubert",
"Matthias",
""
]
] | We present a QCD-based approach to the endpoint region of the lepton spectrum in $\bar B\to X_u\,\ell\,\bar\nu$ decays. We introduce a genuinely nonperturbative form factor, the shape function, which describes the fall-off of the spectrum close to the endpoint. The moments of this function are related to forward scatte... |
1006.2304 | Jordy Vries de | J. de Vries, E. Mereghetti, R. G. E. Timmermans, U. van Kolck | The Nucleon Electric Dipole Form Factor From Dimension-Six Time-Reversal
Violation | null | Phys.Lett.B695:268-274,2011 | 10.1016/j.physletb.2010.11.042 | INT-PUB-10-026 | hep-ph hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the electric dipole form factor of the nucleon that arises as a
low-energy manifestation of time-reversal violation in quark-gluon interactions
of effective dimension 6: the quark electric and chromoelectric dipole moments,
and the gluon chromoelectric dipole moment. We use the framework of two-flavor
ch... | [
{
"created": "Fri, 11 Jun 2010 13:35:24 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Dec 2010 09:28:15 GMT",
"version": "v2"
}
] | 2011-01-04 | [
[
"de Vries",
"J.",
""
],
[
"Mereghetti",
"E.",
""
],
[
"Timmermans",
"R. G. E.",
""
],
[
"van Kolck",
"U.",
""
]
] | We calculate the electric dipole form factor of the nucleon that arises as a low-energy manifestation of time-reversal violation in quark-gluon interactions of effective dimension 6: the quark electric and chromoelectric dipole moments, and the gluon chromoelectric dipole moment. We use the framework of two-flavor chir... |
1112.3570 | Kirill Semenov-Tian-Shansky | J. P. Lansberg, B. Pire, K. Semenov-Tian-Shansky and L. Szymanowski | A consistent model for \pi N transition distribution amplitudes and
backward pion electroproduction | 39 pages, 9 figures | null | 10.1103/PhysRevD.85.054021 | CPHT-RR100.1111; LPT-11-114 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The extension of the concept of generalized parton distributions leads to the
introduction of baryon to meson transition distribution amplitudes (TDAs),
non-diagonal matrix elements of the nonlocal three quark operator between a
nucleon and a meson state. We present a general framework for modelling nucleon
to pion (... | [
{
"created": "Thu, 15 Dec 2011 17:14:25 GMT",
"version": "v1"
}
] | 2015-06-03 | [
[
"Lansberg",
"J. P.",
""
],
[
"Pire",
"B.",
""
],
[
"Semenov-Tian-Shansky",
"K.",
""
],
[
"Szymanowski",
"L.",
""
]
] | The extension of the concept of generalized parton distributions leads to the introduction of baryon to meson transition distribution amplitudes (TDAs), non-diagonal matrix elements of the nonlocal three quark operator between a nucleon and a meson state. We present a general framework for modelling nucleon to pion ($\... |
2005.05658 | Marius Utheim | Torbj\"orn Sj\"ostrand, Marius Utheim | A Framework for Hadronic Rescattering in pp Collisions | 61 pages, 24 figures, 10 tables | null | 10.1140/epjc/s10052-020-8399-3 | LU TP 20-11, MCnet-20-12 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article, a framework for hadronic rescattering in the general-purpose
Pythia event generator is introduced. The starting point is the recently
presented space-time picture of the hadronization process. It is now extended
with a tracing of the subsequent motion of the primary hadrons, including both
subsequent... | [
{
"created": "Tue, 12 May 2020 10:08:33 GMT",
"version": "v1"
}
] | 2020-10-28 | [
[
"Sjöstrand",
"Torbjörn",
""
],
[
"Utheim",
"Marius",
""
]
] | In this article, a framework for hadronic rescattering in the general-purpose Pythia event generator is introduced. The starting point is the recently presented space-time picture of the hadronization process. It is now extended with a tracing of the subsequent motion of the primary hadrons, including both subsequent s... |
2201.08139 | Xiao-Min Shen | Xiao-Min Shen, YaLu Hu, ChuanLe Sun, Jun Gao | Decay of the charged Higgs boson and the top quark in two-Higgs-doublet
model at NNLO in QCD | 27 pages, 8 figures; typos corrected | null | 10.1007/JHEP05(2022)157 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by-nc-nd/4.0/ | We present numerical calculations of the partial width of the charged Higgs
boson decay into a top quark, $H^- \rightarrow \bar{t} + b + X$, and the
partial width of the top quark decay into a light charged Higgs boson $t
\rightarrow H^+ + b + X$ at next-to-next-to-leading order (NNLO) in QCD, based
on a factorizatio... | [
{
"created": "Thu, 20 Jan 2022 12:32:31 GMT",
"version": "v1"
},
{
"created": "Tue, 24 May 2022 07:23:03 GMT",
"version": "v2"
},
{
"created": "Wed, 29 Jun 2022 06:21:10 GMT",
"version": "v3"
},
{
"created": "Wed, 6 Jul 2022 06:45:20 GMT",
"version": "v4"
}
] | 2022-07-07 | [
[
"Shen",
"Xiao-Min",
""
],
[
"Hu",
"YaLu",
""
],
[
"Sun",
"ChuanLe",
""
],
[
"Gao",
"Jun",
""
]
] | We present numerical calculations of the partial width of the charged Higgs boson decay into a top quark, $H^- \rightarrow \bar{t} + b + X$, and the partial width of the top quark decay into a light charged Higgs boson $t \rightarrow H^+ + b + X$ at next-to-next-to-leading order (NNLO) in QCD, based on a factorization ... |
hep-ph/9504245 | null | Wilfried Buchmuller (DESY) | Scaling and Diffraction in Deep Inelastic Scattering | 8 pages | Phys.Lett. B353 (1995) 335-339 | 10.1016/0370-2693(95)00597-E | DESY 95-065 | hep-ph | null | We pursue the hypothesis that the events with a large rapidity gap, observed
at HERA, reflect the scattering of electrons off lumps of wee partons inside
the proton. A simple scaling behaviour is predicted for the diffractive
structure functions, which are related to the inclusive structure function
$F_2(x,Q^2)$ at s... | [
{
"created": "Thu, 6 Apr 1995 16:46:34 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Buchmuller",
"Wilfried",
"",
"DESY"
]
] | We pursue the hypothesis that the events with a large rapidity gap, observed at HERA, reflect the scattering of electrons off lumps of wee partons inside the proton. A simple scaling behaviour is predicted for the diffractive structure functions, which are related to the inclusive structure function $F_2(x,Q^2)$ at sma... |
1610.00364 | Holger Frits Bech Nielsen | Holger Frits Bech Nielsen | F(750), We Miss You, as Bound State of 6 Top and 6 Anti top | minor corrections in calculation and commas and a few references
added. arXiv admin note: text overlap with arXiv:1607.07907, adding few
citations | null | 10.1142/S0217751X16501864 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We collect and estimate support for our long speculated "multiple point
principle" saying that there should be several vacua all having (compared to
the scales of high energy physics) very low energy densities. In pure Standard
Model we suggest there being three by "multiple point principle" low energy
density vacua,... | [
{
"created": "Sun, 2 Oct 2016 22:52:46 GMT",
"version": "v1"
},
{
"created": "Wed, 5 Oct 2016 14:53:32 GMT",
"version": "v2"
}
] | 2017-02-01 | [
[
"Nielsen",
"Holger Frits Bech",
""
]
] | We collect and estimate support for our long speculated "multiple point principle" saying that there should be several vacua all having (compared to the scales of high energy physics) very low energy densities. In pure Standard Model we suggest there being three by "multiple point principle" low energy density vacua, "... |
1402.0837 | Anatoliy Khrykin | A.S.Khrykin | On the existence of the $\it NN$-decoupled dibaryon $d^\ast_1$(1956) | Contribution to the MENU2013 Proceedings | null | null | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present strong experimental evidence for the existence of a nonstrange
$\it NN$-decoupled dibaryon with a mass of about 1956 MeV stable against strong
decay, which is a very likely candidate for long-sought multiquark hadrons with
the baryon number B=2. We start by presenting the first evidence for the
existence o... | [
{
"created": "Tue, 4 Feb 2014 19:21:27 GMT",
"version": "v1"
}
] | 2014-02-05 | [
[
"Khrykin",
"A. S.",
""
]
] | We present strong experimental evidence for the existence of a nonstrange $\it NN$-decoupled dibaryon with a mass of about 1956 MeV stable against strong decay, which is a very likely candidate for long-sought multiquark hadrons with the baryon number B=2. We start by presenting the first evidence for the existence of ... |
hep-ph/9612349 | Nikolai Uraltsev | N.G. Uraltsev | The Heavy Quark Expansion | 30 pages, 3 figures in the text; LaTeX. Talk given at the Symposium
on Radiative Corrections (CRAD96), Cracow, 1-5 August 1996. To appear in
Proceedings of "CRAD96" | Acta Phys.Polon.B28:755-787,1997 | null | UND-HEP-96-BIG08 | hep-ph | null | I review the status of the modern theoretical approach to weak decays of
heavy flavor hadrons based on the 1/m_Q expansion in QCD. The qualitative
features are explained and the subtleties in simultaneously incorporating
perturbative and power-suppressed effects are addressed. A few topical
phenomenological applicati... | [
{
"created": "Fri, 13 Dec 1996 03:04:51 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Uraltsev",
"N. G.",
""
]
] | I review the status of the modern theoretical approach to weak decays of heavy flavor hadrons based on the 1/m_Q expansion in QCD. The qualitative features are explained and the subtleties in simultaneously incorporating perturbative and power-suppressed effects are addressed. A few topical phenomenological application... |
hep-ph/9409266 | Masahiro Yamaguchi | Izumi Joichi and Masahiro Yamaguchi | Heavy Polonyi Field as a Solution of the Polonyi Problem | null | Phys.Lett. B342 (1995) 111-116 | 10.1016/0370-2693(94)01338-D | null | hep-ph | null | We study properties of the Polonyi field in the renormalizable hidden sector
in supergravity models. It is shown that radiative corrections induce a sizable
coupling of the Polonyi field to gravitinos as well as raise its mass to an
intermediate scale. We find it serves a solution of the Polonyi problem and
show that... | [
{
"created": "Fri, 9 Sep 1994 05:28:33 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Joichi",
"Izumi",
""
],
[
"Yamaguchi",
"Masahiro",
""
]
] | We study properties of the Polonyi field in the renormalizable hidden sector in supergravity models. It is shown that radiative corrections induce a sizable coupling of the Polonyi field to gravitinos as well as raise its mass to an intermediate scale. We find it serves a solution of the Polonyi problem and show that t... |
2201.00832 | Damiano Anselmi | Damiano Anselmi | Dressed propagators, fakeon self-energy and peak uncertainty | 39 pages, 6 figures; v2: JHEP | J. High Energ. Phys. 2022, 58 (2022) | 10.1007/JHEP06(2022)058 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the resummation of self-energy diagrams into dressed propagators in
the case of purely virtual particles and compare the results with those
obtained for physical particles and ghosts. The three geometric series differ
by infinitely many contact terms, which do not admit well-defined sums. The
peak region, wh... | [
{
"created": "Mon, 3 Jan 2022 19:00:09 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Jun 2022 08:59:18 GMT",
"version": "v2"
}
] | 2022-06-15 | [
[
"Anselmi",
"Damiano",
""
]
] | We study the resummation of self-energy diagrams into dressed propagators in the case of purely virtual particles and compare the results with those obtained for physical particles and ghosts. The three geometric series differ by infinitely many contact terms, which do not admit well-defined sums. The peak region, whic... |
hep-ph/9704298 | Bryan Webber | Yu.L. Dokshitzer and B.R. Webber | Power Corrections to Event Shape Distributions | 11 pages, LaTeX, 2 figures; further reference to related work by
Korchemsky and Sterman added 30/4/97 | Phys.Lett. B404 (1997) 321-327 | 10.1016/S0370-2693(97)00573-X | Cavendish-HEP-97/2 | hep-ph | null | We estimate the effects of non-perturbative physics on the differential
distributions of infrared- and collinear-safe $e^+e^-$ event shape variables,
by extending the notion of an infrared-regular effective strong coupling, which
accounts for the non-perturbative corrections to the mean values of several
shape variab... | [
{
"created": "Fri, 11 Apr 1997 17:34:27 GMT",
"version": "v1"
},
{
"created": "Wed, 30 Apr 1997 09:45:28 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Dokshitzer",
"Yu. L.",
""
],
[
"Webber",
"B. R.",
""
]
] | We estimate the effects of non-perturbative physics on the differential distributions of infrared- and collinear-safe $e^+e^-$ event shape variables, by extending the notion of an infrared-regular effective strong coupling, which accounts for the non-perturbative corrections to the mean values of several shape variable... |
hep-ph/0306266 | Zack Sullivan | Zack Sullivan (Fermilab) | How to rule out Little Higgs (and constrain many other models) at the
LHC | Talk given at the XXXVIIIth Rencontres de Moriond: QCD and Hadronic
Interactions, 2003, 4 pg., latex, 5 ps figures | null | null | null | hep-ph hep-ex | null | In this talk I describe how to discover or rule out the existence of
W^{prime} bosons at the CERN Large Hadron Collider as a function of arbitrary
couplings and W^{prime} masses. If W^{prime} bosons are not found, I
demonstrate the 95% confidence-level exclusions that can be reached for several
classes of models. In ... | [
{
"created": "Thu, 26 Jun 2003 20:33:40 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sullivan",
"Zack",
"",
"Fermilab"
]
] | In this talk I describe how to discover or rule out the existence of W^{prime} bosons at the CERN Large Hadron Collider as a function of arbitrary couplings and W^{prime} masses. If W^{prime} bosons are not found, I demonstrate the 95% confidence-level exclusions that can be reached for several classes of models. In pa... |
hep-ph/9403354 | Yoshio Koide | Yoshio Koide and Hideo Fusaoka | Seesaw-Type Quark and Lepton Mass Matrices and U(3)-Family Nonet Higgs
Bosons | 10 pages, Revised version of US-94-02, Latex file | null | null | null | hep-ph | null | A unified mass matrix model of quarks and leptons with a seesaw-type form
$M_f=m M_F^{-1} m$ is proposed on the basis of a non-standard Higgs scenario.
The matrix $m$ is provided by U(3)-family nonet bosons $\phi$, and the matrix
$M_F$ is a mass matrix of heavy fermions $F_i$ corresponding to the ordinary
fermions $f... | [
{
"created": "Thu, 24 Mar 1994 10:41:19 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Jul 1994 05:48:59 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Koide",
"Yoshio",
""
],
[
"Fusaoka",
"Hideo",
""
]
] | A unified mass matrix model of quarks and leptons with a seesaw-type form $M_f=m M_F^{-1} m$ is proposed on the basis of a non-standard Higgs scenario. The matrix $m$ is provided by U(3)-family nonet bosons $\phi$, and the matrix $M_F$ is a mass matrix of heavy fermions $F_i$ corresponding to the ordinary fermions $f_i... |
1605.08923 | Hamad Alhendi | H. I. Alrebdi, H. A. Alhendi and T. Barakat | The Higgs Boson Mass from Three-loop Effective Potential of Massless
Standard Model | 19 pages, 4 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The effective potential of massless standard model (SM) is calculated up to
three-loop order. The stability of the effective potential and the Higgs boson
mass are investigated up to three-loop order. We found that, Higgs boson mass
$m_{H}$ of one-loop order is large. The two-loop and three-loop results are not
appre... | [
{
"created": "Sat, 28 May 2016 18:28:54 GMT",
"version": "v1"
}
] | 2016-05-31 | [
[
"Alrebdi",
"H. I.",
""
],
[
"Alhendi",
"H. A.",
""
],
[
"Barakat",
"T.",
""
]
] | The effective potential of massless standard model (SM) is calculated up to three-loop order. The stability of the effective potential and the Higgs boson mass are investigated up to three-loop order. We found that, Higgs boson mass $m_{H}$ of one-loop order is large. The two-loop and three-loop results are not appreci... |
hep-ph/9812393 | Oleg Teryaev | M.V. Polyakov, A. Schaefer and O. V. Teryaev | The intrinsic charm contribution to the proton spin | LATEX, 6 pages | Phys.Rev.D60:051502,1999 | 10.1103/PhysRevD.60.051502 | RUB-TPII-22/98; TPR-98-38 | hep-ph | null | The charm quark contribution to the first moment of $g_1(x,Q^2)$ is
calculated using a heavy mass expansion of the divergence of the singlet axial
current. It is shown to be small.
| [
{
"created": "Wed, 16 Dec 1998 16:34:27 GMT",
"version": "v1"
}
] | 2009-12-30 | [
[
"Polyakov",
"M. V.",
""
],
[
"Schaefer",
"A.",
""
],
[
"Teryaev",
"O. V.",
""
]
] | The charm quark contribution to the first moment of $g_1(x,Q^2)$ is calculated using a heavy mass expansion of the divergence of the singlet axial current. It is shown to be small. |
hep-ph/9708242 | null | Keiichi Akama (Saitama Medical College) and Takashi Hattori (Kanagawa
Dental College) | Complementarity between Gauge-Boson Compositeness and Asymptotic Freedom | 5 pages, revtex | null | null | SMC-PHYS-154 | hep-ph | null | We derive and solve the compositeness condition for the SU(N_c) gauge boson
at the next-to-leading order in 1/N_f (N_f is the number of flavors) and the
leading order in ln(\Lambda ^2) (\Lambda is the compositeness scale) to obtain
an expression for the gauge coupling constant in terms of the compositeness
scale. It ... | [
{
"created": "Thu, 31 Jul 1997 10:07:38 GMT",
"version": "v1"
},
{
"created": "Sat, 13 Sep 1997 07:57:42 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Akama",
"Keiichi",
"",
"Saitama Medical College"
],
[
"Hattori",
"Takashi",
"",
"Kanagawa\n Dental College"
]
] | We derive and solve the compositeness condition for the SU(N_c) gauge boson at the next-to-leading order in 1/N_f (N_f is the number of flavors) and the leading order in ln(\Lambda ^2) (\Lambda is the compositeness scale) to obtain an expression for the gauge coupling constant in terms of the compositeness scale. It tu... |
hep-ph/9706451 | Cvetic | C.S. Kim (Yonsei Univ.) and G. Cvetic (Dortmund Univ.) | Flavor democracy and quark mass matrices | LaTeX, 12 pages, one correction in Acknowledgements | null | null | YUMS 97-018, DO-TH 97-15, SNUTP 97-089 | hep-ph | null | Based on experimental mass hierarchy, a set of flavor-democratic (FD) quark
mass matrices at low energies is discussed. The model predicts CP violation
parameters $J_{CP}=(0.3 \pm 0.2) 10^{-4}$ and ${\epsilon'/\epsilon} = (0.6 \pm
0.5) 10^{-3}$. However, this simple FD model also predicts a physical top quark
mass no... | [
{
"created": "Mon, 23 Jun 1997 08:54:05 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Jun 1997 10:30:06 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Jul 1997 09:11:16 GMT",
"version": "v3"
}
] | 2008-02-03 | [
[
"Kim",
"C. S.",
"",
"Yonsei Univ."
],
[
"Cvetic",
"G.",
"",
"Dortmund Univ."
]
] | Based on experimental mass hierarchy, a set of flavor-democratic (FD) quark mass matrices at low energies is discussed. The model predicts CP violation parameters $J_{CP}=(0.3 \pm 0.2) 10^{-4}$ and ${\epsilon'/\epsilon} = (0.6 \pm 0.5) 10^{-3}$. However, this simple FD model also predicts a physical top quark mass not ... |
2402.00981 | Cumrun Vafa | Cumrun Vafa | Swamplandish Unification of the Dark Sector | 13 pages | null | null | null | hep-ph gr-qc hep-th | http://creativecommons.org/publicdomain/zero/1.0/ | We provide a short overview of recent progress made in our understanding of
the dark sector based on the Swampland program which in turn is rooted in
lessons from string theory. We explain how the existence of one extra
mesoscopic dimension (the ``dark dimension") in the micron range emerges and
how this can lead to ... | [
{
"created": "Thu, 1 Feb 2024 19:54:09 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Jun 2024 06:11:38 GMT",
"version": "v2"
}
] | 2024-06-24 | [
[
"Vafa",
"Cumrun",
""
]
] | We provide a short overview of recent progress made in our understanding of the dark sector based on the Swampland program which in turn is rooted in lessons from string theory. We explain how the existence of one extra mesoscopic dimension (the ``dark dimension") in the micron range emerges and how this can lead to a ... |
0709.1384 | Massimo Blasone Dr | M.Blasone, A.Capolupo, C.R.Ji, G.Vitiello | Flavor states of mixed neutrinos | 4 pages, presented at 13th International Symposium on Particles,
Strings and Cosmology, PASCOS-07, 2-7 July 2007, Imperial College London | AIPConf.Proc.957:189-192,2007 | 10.1063/1.2823757 | null | hep-ph | null | By resorting to previous results on flavor mixing in Quantum Field Theory, we
show how to consistently define flavor states of mixed neutrinos as eigenstates
of the flavor charge operators.
| [
{
"created": "Mon, 10 Sep 2007 13:14:39 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Blasone",
"M.",
""
],
[
"Capolupo",
"A.",
""
],
[
"Ji",
"C. R.",
""
],
[
"Vitiello",
"G.",
""
]
] | By resorting to previous results on flavor mixing in Quantum Field Theory, we show how to consistently define flavor states of mixed neutrinos as eigenstates of the flavor charge operators. |
2208.07521 | Wei Kou | Wei Kou, Xiaopeng Wang, Xurong Chen | Page Entropy of Proton System in Deep-Inelastic-Scattering at Small-$x$ | 6 pages, 2 figures, Accepted by PRD | null | 10.1103/PhysRevD.106.096027 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | The partons model reveals the dynamical structure of nucleons (protons and
neutrons). Studies related to thermodynamic quantities of nucleons are
interesting and topical questions. In this work, for the first time we apply
Page's theory of the studies of black hole to investigate the entropy of proton
system. Inspire... | [
{
"created": "Tue, 16 Aug 2022 03:45:45 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Nov 2022 01:22:36 GMT",
"version": "v2"
}
] | 2022-12-14 | [
[
"Kou",
"Wei",
""
],
[
"Wang",
"Xiaopeng",
""
],
[
"Chen",
"Xurong",
""
]
] | The partons model reveals the dynamical structure of nucleons (protons and neutrons). Studies related to thermodynamic quantities of nucleons are interesting and topical questions. In this work, for the first time we apply Page's theory of the studies of black hole to investigate the entropy of proton system. Inspired ... |
hep-ph/9510216 | Jorge L. Lopez | J. Lopez and D. Nanopoulos | Vanishing Str M^2 in the presence of anomalous U_A(1) | 7 pages, no figures, LaTeX | Phys.Lett. B369 (1996) 243-248 | 10.1016/0370-2693(95)01556-6 | CTP-TAMU-37/95, DOE/ER/40717-16 | hep-ph hep-th | null | We show that the presence of an anomalous $\rm U_A(1)$ factor in the gauge
group of string-derived models may have the new and important phenomenological
consequence of allowing the vanishing of ${\rm Str}\,{\cal M}^2$ in the
``shifted" vacuum, that results in the process of cancelling the anomalous $\rm
U_A(1)$. The... | [
{
"created": "Tue, 3 Oct 1995 18:02:29 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Lopez",
"J.",
""
],
[
"Nanopoulos",
"D.",
""
]
] | We show that the presence of an anomalous $\rm U_A(1)$ factor in the gauge group of string-derived models may have the new and important phenomenological consequence of allowing the vanishing of ${\rm Str}\,{\cal M}^2$ in the ``shifted" vacuum, that results in the process of cancelling the anomalous $\rm U_A(1)$. The f... |
2304.02060 | Zhanduo Tang | Zhanduo Tang and Ralf Rapp | Spin-Dependent Interactions and Heavy-Quark Transport in the QGP | 17 pages, 11 figures | null | null | null | hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | We extend a previously constructed T-matrix approach to the quark-gluon
plasma (QGP) to include the effects of spin-dependent interactions between
partons. Following earlier work within the relativistic quark model, the
spin-dependent interactions figure as relativistic corrections to the Cornell
potential. When appl... | [
{
"created": "Tue, 4 Apr 2023 18:19:46 GMT",
"version": "v1"
},
{
"created": "Fri, 7 Apr 2023 06:20:55 GMT",
"version": "v2"
},
{
"created": "Tue, 8 Aug 2023 18:53:43 GMT",
"version": "v3"
}
] | 2023-08-10 | [
[
"Tang",
"Zhanduo",
""
],
[
"Rapp",
"Ralf",
""
]
] | We extend a previously constructed T-matrix approach to the quark-gluon plasma (QGP) to include the effects of spin-dependent interactions between partons. Following earlier work within the relativistic quark model, the spin-dependent interactions figure as relativistic corrections to the Cornell potential. When applie... |
2203.07495 | Sri Aditya Gadam | Wolfgang Altmannshofer, Sri Aditya Gadam, Stefano Profumo | Snowmass White Paper: Probing New Physics with $\mu^+ \mu^- \to bs$ at a
Muon Collider | Contribution to Snowmass 2021 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this white paper for the Snowmass process, we discuss the prospects of
probing new physics explanations of the persistent rare $B$ decay anomalies
with a muon collider. If the anomalies are indirect signs of heavy new physics,
non-standard rates for $\mu^+ \mu^- \to b s$ production should be observed with
high sig... | [
{
"created": "Mon, 14 Mar 2022 21:04:15 GMT",
"version": "v1"
}
] | 2022-03-16 | [
[
"Altmannshofer",
"Wolfgang",
""
],
[
"Gadam",
"Sri Aditya",
""
],
[
"Profumo",
"Stefano",
""
]
] | In this white paper for the Snowmass process, we discuss the prospects of probing new physics explanations of the persistent rare $B$ decay anomalies with a muon collider. If the anomalies are indirect signs of heavy new physics, non-standard rates for $\mu^+ \mu^- \to b s$ production should be observed with high signi... |
hep-ph/0301134 | Stefan Michalski | Stefan Michalski | Nonequilibrium dynamics of the O(N) linear sigma model | Based on an article published in Phys.Rev.D65, 065019 (2002) written
in collaboration with Jurgen Baacke. Presented at International Workshop on
Strong and Electroweak Matter (SEWM 2002), Heidelberg, Germany, 2-5 Oct 2002 | null | null | null | hep-ph | null | We investigate the out-of-equilibrium evolution of a classical background
field and its quantum fluctuations in the scalar O(N) model with spontaneous
symmetry breaking. We consider the 2-loop 2PI effective action in the Hartree
approximation, i.e., including bubble resummation but without non-local
contributions to ... | [
{
"created": "Fri, 17 Jan 2003 12:56:56 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Michalski",
"Stefan",
""
]
] | We investigate the out-of-equilibrium evolution of a classical background field and its quantum fluctuations in the scalar O(N) model with spontaneous symmetry breaking. We consider the 2-loop 2PI effective action in the Hartree approximation, i.e., including bubble resummation but without non-local contributions to th... |
1510.00204 | Pratishruti Saha | Pratishruti Saha, Ken Kiers, Bhubanjyoti Bhattacharya, David London,
Alejandro Szynkman, Jordan Melendez | Measuring CP-Violating Observables in Rare Top Decays at the LHC | Published version | Phys. Rev. D 93, 054044 (2016) | 10.1103/PhysRevD.93.054044 | UdeM-GPP-TH-15-243 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we consider CP-violating new-physics contributions to the decay
$t \to b \bar b c$. We examine the prospects for detecting such new physics at
the LHC, which requires studying the process $gg \to t (\to b \bar b c) \bar t
(\to \bar b \ell \bar \nu)$. We find two observables that can be used to reveal
th... | [
{
"created": "Thu, 1 Oct 2015 12:48:29 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Apr 2016 04:35:29 GMT",
"version": "v2"
}
] | 2016-04-25 | [
[
"Saha",
"Pratishruti",
""
],
[
"Kiers",
"Ken",
""
],
[
"Bhattacharya",
"Bhubanjyoti",
""
],
[
"London",
"David",
""
],
[
"Szynkman",
"Alejandro",
""
],
[
"Melendez",
"Jordan",
""
]
] | In this paper we consider CP-violating new-physics contributions to the decay $t \to b \bar b c$. We examine the prospects for detecting such new physics at the LHC, which requires studying the process $gg \to t (\to b \bar b c) \bar t (\to \bar b \ell \bar \nu)$. We find two observables that can be used to reveal the ... |
1012.0245 | Daniele Binosi | Daniele Binosi | A dynamical study of the Kugo-Ojima function | 3 pages, 3 figures. Talk presented at the Quark Confinement and the
Hadron Spectrum - Madrid 2010, August 30th - September 3rd 2010, Madrid,
Spain | null | 10.1063/1.3574963 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | As has been recently realized, a certain two-point function $\Lambda$ -- and
its associated form factors G and L -- play a prominent role in the PT-BFM
formulation of the Schwinger-Dyson equations used to study gauge-invariantly
the gluon and ghost propagators. After showing that in the (background) Landau
gauge $\La... | [
{
"created": "Wed, 1 Dec 2010 16:57:06 GMT",
"version": "v1"
}
] | 2015-05-20 | [
[
"Binosi",
"Daniele",
""
]
] | As has been recently realized, a certain two-point function $\Lambda$ -- and its associated form factors G and L -- play a prominent role in the PT-BFM formulation of the Schwinger-Dyson equations used to study gauge-invariantly the gluon and ghost propagators. After showing that in the (background) Landau gauge $\Lamb... |
2402.16491 | Surender Verma Ph. D. | Tapender, Surender Verma and Sanjeev Kumar | On Lepton Flavor Violation and Dark Matter in Scotogenic model with
Trimaximal Mixing | 40 pages, 11 figures | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We examine the Scotogenic model employing the TM$_2$ mixing matrix,
$U_{\text{TM}_2}$, for neutrinos and parameterize the Yukawa coupling matrix
$y$ based on the diagonalization condition for the neutrino mass matrix,
$m_{\nu}$. Our investigation centers on analyzing the relic density of cold
dark matter ($\Omega h^2... | [
{
"created": "Mon, 26 Feb 2024 11:16:25 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Jun 2024 06:39:59 GMT",
"version": "v2"
}
] | 2024-06-27 | [
[
"Tapender",
"",
""
],
[
"Verma",
"Surender",
""
],
[
"Kumar",
"Sanjeev",
""
]
] | We examine the Scotogenic model employing the TM$_2$ mixing matrix, $U_{\text{TM}_2}$, for neutrinos and parameterize the Yukawa coupling matrix $y$ based on the diagonalization condition for the neutrino mass matrix, $m_{\nu}$. Our investigation centers on analyzing the relic density of cold dark matter ($\Omega h^2$)... |
2010.06947 | Nikolaos Syrrakos | Dhimiter D. Canko and Nikolaos Syrrakos | Resummation methods for Master Integrals | 20 pages, 3 figures and 2 tables, section 3.3 rewritten, version
accepted for publication to JHEP | null | 10.1007/JHEP02(2021)080 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present in detail two resummation methods emerging from the application of
the Simplified Differential Equations approach to a canonical basis of master
integrals. The first one is a method which allows for an easy determination of
the boundary conditions, since it finds relations between the boundaries of the
bas... | [
{
"created": "Wed, 14 Oct 2020 10:50:55 GMT",
"version": "v1"
},
{
"created": "Wed, 4 Nov 2020 11:10:49 GMT",
"version": "v2"
},
{
"created": "Tue, 29 Dec 2020 08:52:23 GMT",
"version": "v3"
}
] | 2021-02-24 | [
[
"Canko",
"Dhimiter D.",
""
],
[
"Syrrakos",
"Nikolaos",
""
]
] | We present in detail two resummation methods emerging from the application of the Simplified Differential Equations approach to a canonical basis of master integrals. The first one is a method which allows for an easy determination of the boundary conditions, since it finds relations between the boundaries of the basis... |
2203.06262 | Benjamin Monreal | Benjamin Monreal | High-pressure TPCs in pressurized caverns: opportunities in dark matter
and neutrino physics | Snowmass 2022 whitepaper, 14 pages, 2 figures | null | null | null | hep-ph nucl-ex physics.ins-det | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The natural gas and hydrogen storage industries have experience creating
huge, pressurized underground spaces. The most common of these is "solution
mining", a method for making brine-filled cavities in salt formations. Unlike
conventionally-mined underground spaces, these spaces are (a) inexpensive to
construct and ... | [
{
"created": "Fri, 11 Mar 2022 21:41:38 GMT",
"version": "v1"
}
] | 2022-03-15 | [
[
"Monreal",
"Benjamin",
""
]
] | The natural gas and hydrogen storage industries have experience creating huge, pressurized underground spaces. The most common of these is "solution mining", a method for making brine-filled cavities in salt formations. Unlike conventionally-mined underground spaces, these spaces are (a) inexpensive to construct and op... |
2404.00298 | Xu Cao | Xu Cao, Yu-Tie Liang, Rong-Gang Ping | Production and decay of hyperons in a transversely polarized
electron-positron collider | 10 pages, 7 figures, typos corrected, figures 3 and 7 updated,
published version | PHYS. REV. D 110, 014035 (2024) | 10.1103/PhysRevD.110.014035 | null | hep-ph | http://creativecommons.org/licenses/by-sa/4.0/ | The self-polarization of relativistic electrons or positrons moving in a
magnetic field at a storage ring occurs through the emission of spin-flip
synchrotron radiation, known as the Sokolov-Ternov effect. The resulting
transverse polarizations of the colliding electrons and positrons, away from
the depolarization re... | [
{
"created": "Sat, 30 Mar 2024 09:22:37 GMT",
"version": "v1"
},
{
"created": "Mon, 15 Jul 2024 01:14:54 GMT",
"version": "v2"
}
] | 2024-07-24 | [
[
"Cao",
"Xu",
""
],
[
"Liang",
"Yu-Tie",
""
],
[
"Ping",
"Rong-Gang",
""
]
] | The self-polarization of relativistic electrons or positrons moving in a magnetic field at a storage ring occurs through the emission of spin-flip synchrotron radiation, known as the Sokolov-Ternov effect. The resulting transverse polarizations of the colliding electrons and positrons, away from the depolarization reso... |
hep-ph/9212234 | null | Michael J. Booth and Gerard Jungman | P and T Violation From Certain Dimension Eight Weinberg Operators | 6 pages, EFI-92-51 | Phys.Rev.D47:4828-4829,1993 | 10.1103/PhysRevD.47.R4828 | null | hep-ph | null | Dimension eight operators of the Weinberg type have been shown to give
important contributions to CP violating phenomena, such as the electric dipole
moment of the neutron. In this note we show how operators related to these (and
expected to occur on equal footing) can give rise to time-reversal violating
phenomena s... | [
{
"created": "Tue, 8 Dec 1992 01:15:07 GMT",
"version": "v1"
}
] | 2009-12-30 | [
[
"Booth",
"Michael J.",
""
],
[
"Jungman",
"Gerard",
""
]
] | Dimension eight operators of the Weinberg type have been shown to give important contributions to CP violating phenomena, such as the electric dipole moment of the neutron. In this note we show how operators related to these (and expected to occur on equal footing) can give rise to time-reversal violating phenomena suc... |
1901.05863 | Jean-Rene Cudell | J.R. Cudell and O.V. Selyugin | TOTEM data and the real part of the hadron elastic amplitude at 13 TeV | 9 pages, 5 figures. New section on the evaluation of the theoretical
error | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyse the 13 TeV TOTEM data on elastic proton-proton scattering through
a thorough statistical analysis, and obtain that $\rho=0.096\pm 0.006$ and
$\sigma_{tot}=(107.5\pm 1.5)$ mb. Theoretical errors could lower the cross
section by about 2 mb and increase $\rho$ by about 0.002. We also show that
these results d... | [
{
"created": "Thu, 17 Jan 2019 16:10:28 GMT",
"version": "v1"
},
{
"created": "Tue, 21 May 2019 15:12:21 GMT",
"version": "v2"
}
] | 2019-05-22 | [
[
"Cudell",
"J. R.",
""
],
[
"Selyugin",
"O. V.",
""
]
] | We analyse the 13 TeV TOTEM data on elastic proton-proton scattering through a thorough statistical analysis, and obtain that $\rho=0.096\pm 0.006$ and $\sigma_{tot}=(107.5\pm 1.5)$ mb. Theoretical errors could lower the cross section by about 2 mb and increase $\rho$ by about 0.002. We also show that these results do ... |
2403.09511 | Xiao-Hui Hu | Xiao-Hui Hu, Cai Ping Jia, Fu Sheng Yu, Ye Xing | The study of weak decays of doubly charmed baryons within rescattering
mechanism | 22 pages, 4 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The doubly charmed baryon $\Xi_{cc}^{++}$ has been observed by LHCb through
the non-leptonic decay modes of
$\Xi_{cc}^{++}\to\Lambda_{c}^{+}K^{-}\pi^{+}\pi^{+}$ and $\Xi_{c}^{+}\pi^{+}$
in 2017. After that, the experimentalists turn their attention to finding other
doubly charmed baryons $\Xi_{cc}^{+}$ and $\Omega_{c... | [
{
"created": "Thu, 14 Mar 2024 15:56:41 GMT",
"version": "v1"
}
] | 2024-03-15 | [
[
"Hu",
"Xiao-Hui",
""
],
[
"Jia",
"Cai Ping",
""
],
[
"Yu",
"Fu Sheng",
""
],
[
"Xing",
"Ye",
""
]
] | The doubly charmed baryon $\Xi_{cc}^{++}$ has been observed by LHCb through the non-leptonic decay modes of $\Xi_{cc}^{++}\to\Lambda_{c}^{+}K^{-}\pi^{+}\pi^{+}$ and $\Xi_{c}^{+}\pi^{+}$ in 2017. After that, the experimentalists turn their attention to finding other doubly charmed baryons $\Xi_{cc}^{+}$ and $\Omega_{cc}... |
hep-ph/0101184 | Khrykin | A.S.Khrykin | Study of two-photon production process in proton-proton collisions below
the pion production threshold | 6 pages, LaTex, 2 eps-figures; Talk given at the XV International
Seminar on High Energy Physics Problems, Dubna, Russia, September 25-29,2000,
to be published in the proceeding | null | null | null | hep-ph | null | The energy spectrum for high energy $\gamma$-rays ($E_\gamma \geq 10$ MeV)
from the process $pp \to \gamma \gamma X$ emitted at $90^0$ in the laboratory
frame has been measured at an energy below the pion production threshold,
namely, at 216 MeV. The resulting photon energy spectrum extracted from $\gamma
- \gamma$ c... | [
{
"created": "Tue, 16 Jan 2001 17:33:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Khrykin",
"A. S.",
""
]
] | The energy spectrum for high energy $\gamma$-rays ($E_\gamma \geq 10$ MeV) from the process $pp \to \gamma \gamma X$ emitted at $90^0$ in the laboratory frame has been measured at an energy below the pion production threshold, namely, at 216 MeV. The resulting photon energy spectrum extracted from $\gamma - \gamma$ coi... |
hep-ph/0403236 | Werner Rodejohann | W. Rodejohann | Type II See-Saw Mechanism, Deviations from Bimaximal Neutrino Mixing and
Leptogenesis | 22 pages, 3 figures. Final corrections, matches version in PRD | Phys.Rev.D70:073010,2004 | 10.1103/PhysRevD.70.073010 | SISSA 22/2004/EP | hep-ph | null | A possible interplay of both terms in the type II see-saw formula is
illustrated by presenting a novel way to generate deviations from exact
bimaximal neutrino mixing. In type II see-saw mechanism with dominance of the
non-canonical SU(2)_L triplet term, the conventional see-saw term can give a
small contribution to ... | [
{
"created": "Mon, 22 Mar 2004 14:11:35 GMT",
"version": "v1"
},
{
"created": "Wed, 5 May 2004 09:24:30 GMT",
"version": "v2"
},
{
"created": "Mon, 26 Jul 2004 13:53:52 GMT",
"version": "v3"
},
{
"created": "Wed, 20 Oct 2004 13:31:25 GMT",
"version": "v4"
}
] | 2014-11-17 | [
[
"Rodejohann",
"W.",
""
]
] | A possible interplay of both terms in the type II see-saw formula is illustrated by presenting a novel way to generate deviations from exact bimaximal neutrino mixing. In type II see-saw mechanism with dominance of the non-canonical SU(2)_L triplet term, the conventional see-saw term can give a small contribution to th... |
1110.4450 | Iason Baldes | Iason Baldes, Nicole F. Bell, Raymond R. Volkas | Baryon Number Violating Scalar Diquarks at the LHC | 10 pages, 9 figures. v2: references added, some typos corrected. v3:
some small corrections to match published version, no change in conclusions | Phys. Rev. D 84, 115019 (2011) | 10.1103/PhysRevD.84.115019 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Baryon number violating (BNV) processes are heavily constrained by
experiments searching for nucleon decay and neutron-antineutron oscillations.
If the baryon number violation occurs via the third generation quarks, however,
we may be able to avoid the nucleon stability constraints, thus making such BNV
interactions ... | [
{
"created": "Thu, 20 Oct 2011 05:52:21 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Oct 2011 06:47:37 GMT",
"version": "v2"
},
{
"created": "Wed, 9 May 2012 07:29:00 GMT",
"version": "v3"
}
] | 2012-05-10 | [
[
"Baldes",
"Iason",
""
],
[
"Bell",
"Nicole F.",
""
],
[
"Volkas",
"Raymond R.",
""
]
] | Baryon number violating (BNV) processes are heavily constrained by experiments searching for nucleon decay and neutron-antineutron oscillations. If the baryon number violation occurs via the third generation quarks, however, we may be able to avoid the nucleon stability constraints, thus making such BNV interactions ac... |
1712.04527 | Till Martini | Till Martini and Peter Uwer | The Matrix Element Method at next-to-leading order QCD for hadronic
collisions: Single top-quark production at the LHC as an example application | references and clarifications added, typos corrected, matches
published version | JHEP05(2018)141 | 10.1007/JHEP05(2018)141 | HU-EP-17/28 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a recent work the authors have presented a general algorithm to extend the
Matrix Element Method (MEM) to the hadronic production of coloured partons
taking into account next-to-leading-order (NLO) corrections in quantum
chromodynamics (QCD). In this article, the general algorithm is applied to the
production of s... | [
{
"created": "Tue, 12 Dec 2017 21:21:36 GMT",
"version": "v1"
},
{
"created": "Thu, 24 May 2018 09:55:17 GMT",
"version": "v2"
}
] | 2018-05-28 | [
[
"Martini",
"Till",
""
],
[
"Uwer",
"Peter",
""
]
] | In a recent work the authors have presented a general algorithm to extend the Matrix Element Method (MEM) to the hadronic production of coloured partons taking into account next-to-leading-order (NLO) corrections in quantum chromodynamics (QCD). In this article, the general algorithm is applied to the production of sin... |
1111.0805 | Bartolome Alles | B. Alles | Relativity accommodates superluminal mean velocities | 5 pages; Latex source, 2 eps figures (expanded discussion, a few
typos corrected, some refs. added) | Phys. Rev. D 85, 047501 (2012) | 10.1103/PhysRevD.85.047501 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Contrary to a widespread belief, measures of velocity can yield a value
larger than $c$, the instantaneous light speed in vacuum, without contradicting
Einstein's relativity. Nevertheless, the effect turns out to be too small to
explain the recently claimed superluminal velocity by the OPERA collaboration.
Several ot... | [
{
"created": "Thu, 3 Nov 2011 11:54:47 GMT",
"version": "v1"
},
{
"created": "Thu, 23 Feb 2012 10:31:04 GMT",
"version": "v2"
}
] | 2012-02-24 | [
[
"Alles",
"B.",
""
]
] | Contrary to a widespread belief, measures of velocity can yield a value larger than $c$, the instantaneous light speed in vacuum, without contradicting Einstein's relativity. Nevertheless, the effect turns out to be too small to explain the recently claimed superluminal velocity by the OPERA collaboration. Several othe... |
hep-ph/9709450 | Howard Haber | Howard E. Haber (Santa Cruz Institute for Particle Physics) | The Status of the Minimal Supersymmetric Standard Model and Beyond | 17 pages, LaTeX, with espcrc2.sty style file, to appear in the
Proceedings of the 5th International Conference on Supersymmetries in Physics
(SUSY 97) | Nucl.Phys.Proc.Suppl.62:469-484,1998 | 10.1016/S0920-5632(97)00688-9 | SCIPP 97/27 | hep-ph | null | The minimal supersymmetric extension of the Standard Model (MSSM) is
reviewed. In the most general framework with minimal field content and R-parity
conservation, the MSSM is a 124-parameter model (henceforth called MSSM-124).
An acceptable phenomenology occurs only at exceptional points (and small
perturbations arou... | [
{
"created": "Thu, 25 Sep 1997 00:45:51 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Haber",
"Howard E.",
"",
"Santa Cruz Institute for Particle Physics"
]
] | The minimal supersymmetric extension of the Standard Model (MSSM) is reviewed. In the most general framework with minimal field content and R-parity conservation, the MSSM is a 124-parameter model (henceforth called MSSM-124). An acceptable phenomenology occurs only at exceptional points (and small perturbations around... |
2012.13856 | Sourendu Gupta | Saumen Datta, Sourendu Gupta, Rishi Sharma | Fun with colours: the standard model with two colour QCD has radically
different long distance physics | Submitted to Indian Journal of Physics memorial issue for Pushan
Majumdar | null | null | null | hep-ph astro-ph.HE hep-lat hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In our world the standard model of particle physics contains within it the
fairly intractable theory called QCD. A toy version with two colours is often
studied as a model confining and chiral symmetry breaking field theory. Here we
investigate the cascade of changes at various distance scales if we make this
change ... | [
{
"created": "Sun, 27 Dec 2020 02:46:30 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Apr 2021 10:36:20 GMT",
"version": "v2"
}
] | 2021-04-21 | [
[
"Datta",
"Saumen",
""
],
[
"Gupta",
"Sourendu",
""
],
[
"Sharma",
"Rishi",
""
]
] | In our world the standard model of particle physics contains within it the fairly intractable theory called QCD. A toy version with two colours is often studied as a model confining and chiral symmetry breaking field theory. Here we investigate the cascade of changes at various distance scales if we make this change wi... |
1807.01481 | Ujjal Kumar Dey | Cheng-Wei Chiang, Ujjal Kumar Dey, Tapoja Jha | $t\to cg$ and $t\to cZ$ in Universal Extra Dimensional Models | 27 pages, 9 figures; minor changes in text; matches published version | Eur. Phys. J. Plus (2019) 134: 210 | 10.1140/epjp/i2019-12607-1 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we perform a complete one-loop calculation of the
flavor-changing top quark decays $t\to cg$ and $t\to cZ$ in the universal extra
dimensional models. We find that the branching ratios of these decays in the
minimal scenario remain unaltered from the Standard Model expectations for
currently allowed value... | [
{
"created": "Wed, 4 Jul 2018 08:38:59 GMT",
"version": "v1"
},
{
"created": "Thu, 16 May 2019 08:00:26 GMT",
"version": "v2"
}
] | 2019-05-17 | [
[
"Chiang",
"Cheng-Wei",
""
],
[
"Dey",
"Ujjal Kumar",
""
],
[
"Jha",
"Tapoja",
""
]
] | In this work we perform a complete one-loop calculation of the flavor-changing top quark decays $t\to cg$ and $t\to cZ$ in the universal extra dimensional models. We find that the branching ratios of these decays in the minimal scenario remain unaltered from the Standard Model expectations for currently allowed values ... |
0907.0153 | Daniele Binosi | A. C. Aguilar, D. Binosi and J. Papavassiliou | Indirect determination of the Kugo-Ojima function from lattice data | 25 pages, 10 figures; v2: typos corrected, expanded version that
matches the published article | JHEP 0911:066,2009 | 10.1088/1126-6708/2009/11/066 | ECT*-09-04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the structure and non-perturbative properties of a special Green's
function, u(q), whose infrared behavior has traditionally served as the
standard criterion for the realization of the Kugo-Ojima confinement mechanism.
It turns out that, in the Landau gauge, u(q) can be determined from a dynamical
equation, ... | [
{
"created": "Wed, 1 Jul 2009 14:35:38 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Jul 2011 10:45:57 GMT",
"version": "v2"
}
] | 2011-07-20 | [
[
"Aguilar",
"A. C.",
""
],
[
"Binosi",
"D.",
""
],
[
"Papavassiliou",
"J.",
""
]
] | We study the structure and non-perturbative properties of a special Green's function, u(q), whose infrared behavior has traditionally served as the standard criterion for the realization of the Kugo-Ojima confinement mechanism. It turns out that, in the Landau gauge, u(q) can be determined from a dynamical equation, wh... |
0811.0847 | Nicole F. Bell | Nicole F. Bell | Probing New Physics with Astrophysical Neutrinos | 6 pages, 2 figures. Talk given at Neutrino 2008, Christchurch, New
Zealand, May 2008 | J.Phys.Conf.Ser.136:022043,2008 | 10.1088/1742-6596/136/2/022043 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the prospects for probing new physics with neutrino astrophysics.
High energy neutrinos provide an important means of accessing physics beyond
the electroweak scale. Neutrinos have a number of advantages over conventional
astronomy and, in particular, carry information encoded in their flavor degree
of free... | [
{
"created": "Thu, 6 Nov 2008 00:36:04 GMT",
"version": "v1"
}
] | 2008-12-18 | [
[
"Bell",
"Nicole F.",
""
]
] | We review the prospects for probing new physics with neutrino astrophysics. High energy neutrinos provide an important means of accessing physics beyond the electroweak scale. Neutrinos have a number of advantages over conventional astronomy and, in particular, carry information encoded in their flavor degree of freedo... |
1510.02110 | Felix Kahlhoefer | Felix Kahlhoefer (DESY), Kai Schmidt-Hoberg (DESY), Thomas Schwetz
(KIT), Stefan Vogl (Stockholm & KIT) | Implications of unitarity and gauge invariance for simplified dark
matter models | 25 pages + appendices, 10 figures; v2: monojet bounds added, relic
density calculation corrected, discussion of small couplings included,
matches published version | JHEP 1602 (2016) 016 | 10.1007/JHEP02(2016)016 | DESY 15-182 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that simplified models used to describe the interactions of dark
matter with Standard Model particles do not in general respect gauge invariance
and that perturbative unitarity may be violated in large regions of the
parameter space. The modifications necessary to cure these inconsistencies may
imply a much r... | [
{
"created": "Wed, 7 Oct 2015 20:18:20 GMT",
"version": "v1"
},
{
"created": "Mon, 25 Jan 2016 10:55:37 GMT",
"version": "v2"
}
] | 2016-02-10 | [
[
"Kahlhoefer",
"Felix",
"",
"DESY"
],
[
"Schmidt-Hoberg",
"Kai",
"",
"DESY"
],
[
"Schwetz",
"Thomas",
"",
"KIT"
],
[
"Vogl",
"Stefan",
"",
"Stockholm & KIT"
]
] | We show that simplified models used to describe the interactions of dark matter with Standard Model particles do not in general respect gauge invariance and that perturbative unitarity may be violated in large regions of the parameter space. The modifications necessary to cure these inconsistencies may imply a much ric... |
hep-ph/0312145 | Ulrich Nierste | Sebastian Jager and Ulrich Nierste | B_s-B_s-bar mixing in an SO(10) SUSY GUT model | 4 pages, 2 figures | Eur.Phys.J.C33:s256-s258,2004 | 10.1140/epjcd/s2004-03-1581-y | FERMILAB-Conf-03/394-T | hep-ph | null | We perform a renormalisation group analysis of the SO(10) model proposed by
Chang, Masiero and Murayama, which links the large atmospheric neutrino mixing
angle to loop-induced transitions between right-handed b and s quarks. We
compute the impact on B_s-B_s-bar mixing and find that the mass difference in
the B_s sys... | [
{
"created": "Wed, 10 Dec 2003 21:19:42 GMT",
"version": "v1"
}
] | 2011-09-13 | [
[
"Jager",
"Sebastian",
""
],
[
"Nierste",
"Ulrich",
""
]
] | We perform a renormalisation group analysis of the SO(10) model proposed by Chang, Masiero and Murayama, which links the large atmospheric neutrino mixing angle to loop-induced transitions between right-handed b and s quarks. We compute the impact on B_s-B_s-bar mixing and find that the mass difference in the B_s syste... |
1401.4229 | Raquel Molina Ms. | R. Molina, A. Hosaka and H. Nagahiro | Decays of double charmed meson molecules | 5 pages, 1 table, 1 figure | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The interaction between pseudoscalar and/or vector mesons can be studied
using hidden gauge Lagrangians. In this framework, the interaction between
charmed mesons has been studied. Furthermore, doubly charmed states are also
predicted. These new states are near the $D^*D^*$ and $D^*D^*_s$ thresholds,
and have spin-pa... | [
{
"created": "Fri, 17 Jan 2014 02:52:07 GMT",
"version": "v1"
}
] | 2014-01-20 | [
[
"Molina",
"R.",
""
],
[
"Hosaka",
"A.",
""
],
[
"Nagahiro",
"H.",
""
]
] | The interaction between pseudoscalar and/or vector mesons can be studied using hidden gauge Lagrangians. In this framework, the interaction between charmed mesons has been studied. Furthermore, doubly charmed states are also predicted. These new states are near the $D^*D^*$ and $D^*D^*_s$ thresholds, and have spin-pari... |
1805.01441 | Alexandre Kisselev | S.C. \.Inan, A.V. Kisselev | Search for the RS model with a small curvature through photon-induced
process at the LHC | 22 pages, 8 figures; 11 equations and 8 references are added | Eur. Phys. J. C (2018) 78: 729 | 10.1140/epjc/s10052-018-6210-5 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, potential of the LHC to explore the phenomenology of the
Randall-Sundrum-like scenario with the small curvature for the process $pp \to
p \gamma \gamma p \to p \mu^- \mu^+p $ through the subprocess $\gamma \gamma
\to \mu^- \mu^+$ is examined for two forward detector acceptances, $0.0015 <
\xi< 0.5$ and... | [
{
"created": "Thu, 3 May 2018 17:34:07 GMT",
"version": "v1"
},
{
"created": "Thu, 13 Sep 2018 09:24:48 GMT",
"version": "v2"
}
] | 2018-09-26 | [
[
"İnan",
"S. C.",
""
],
[
"Kisselev",
"A. V.",
""
]
] | In this paper, potential of the LHC to explore the phenomenology of the Randall-Sundrum-like scenario with the small curvature for the process $pp \to p \gamma \gamma p \to p \mu^- \mu^+p $ through the subprocess $\gamma \gamma \to \mu^- \mu^+$ is examined for two forward detector acceptances, $0.0015 < \xi< 0.5$ and $... |
hep-ph/9405313 | Uri Sarid | Riccardo Rattazzi, Uri Sarid and Lawrence J. Hall | Yukawa Unification: The Good, The Bad and The Ugly | (talk Uri Sarid at the Second IFT Workshop on Yukawa Couplings and
the Origins of Mass, 11-13 February 1994, Gainesville, Florida), 18 pages
plus 3 uuencoded figures (included at bottom), REVISED: small typos have been
fixed and some clarifications and a few forgotten acknowledgments and
references have been ad... | null | null | null | hep-ph | null | We analyze some consequences of grand unification of the third-generation
Yukawa couplings, in the context of the minimal supersymmetric standard model.
We address two issues: the prediction of the top quark mass, and the generation
of the top-bottom mass hierarchy through a hierarchy of Higgs vacuum
expectation valu... | [
{
"created": "Wed, 18 May 1994 07:09:32 GMT",
"version": "v1"
},
{
"created": "Fri, 20 May 1994 07:37:36 GMT",
"version": "v2"
}
] | 2009-09-25 | [
[
"Rattazzi",
"Riccardo",
""
],
[
"Sarid",
"Uri",
""
],
[
"Hall",
"Lawrence J.",
""
]
] | We analyze some consequences of grand unification of the third-generation Yukawa couplings, in the context of the minimal supersymmetric standard model. We address two issues: the prediction of the top quark mass, and the generation of the top-bottom mass hierarchy through a hierarchy of Higgs vacuum expectation values... |
2106.06990 | Margarete Muhlleitner | Thi Nhung Dao, Martin Gabelmann, Margarete M\"uhlleitner, Heidi Rzehak | Two-Loop ${\cal O}((\alpha_t+\alpha_\lambda+\alpha_\kappa)^2)$
Corrections to the Higgs Boson Masses in the CP-Violating NMSSM | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present our computation of the ${\cal
O}((\alpha_t+\alpha_\lambda+\alpha_\kappa)^2)$ two-loop corrections to the
Higgs boson masses of the CP-violating Next-to-Minimal Supersymmetric Standard
Model (NMSSM) using the Feynman-diagrammatic approach in the gaugeless limit at
vanishing external momentum. We choose a mi... | [
{
"created": "Sun, 13 Jun 2021 13:33:57 GMT",
"version": "v1"
}
] | 2021-06-15 | [
[
"Dao",
"Thi Nhung",
""
],
[
"Gabelmann",
"Martin",
""
],
[
"Mühlleitner",
"Margarete",
""
],
[
"Rzehak",
"Heidi",
""
]
] | We present our computation of the ${\cal O}((\alpha_t+\alpha_\lambda+\alpha_\kappa)^2)$ two-loop corrections to the Higgs boson masses of the CP-violating Next-to-Minimal Supersymmetric Standard Model (NMSSM) using the Feynman-diagrammatic approach in the gaugeless limit at vanishing external momentum. We choose a mixe... |
1803.03650 | Yuber F. Perez-Gonzalez | M. C. Gonzalez-Garcia, Michele Maltoni, Yuber F. Perez-Gonzalez and
Renata Zukanovich Funchal | Neutrino Discovery Limit of Dark Matter Direct Detection Experiments in
the Presence of Non-Standard Interactions | 21 pages, 4 figures. Matches version published in the JHEP. Corrected
exposure and results for CRESST phase III | JHEP07(2018)019 | 10.1007/JHEP07(2018)019 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The detection of coherent neutrino-nucleus scattering by the COHERENT
collaboration has set on quantitative grounds the existence of an irreducible
neutrino background in direct detection searches of Weakly Interacting Massive
Dark Matter candidates. This background leads to an ultimate discovery limit
for these expe... | [
{
"created": "Fri, 9 Mar 2018 19:00:02 GMT",
"version": "v1"
},
{
"created": "Thu, 5 Jul 2018 12:00:38 GMT",
"version": "v2"
}
] | 2018-07-06 | [
[
"Gonzalez-Garcia",
"M. C.",
""
],
[
"Maltoni",
"Michele",
""
],
[
"Perez-Gonzalez",
"Yuber F.",
""
],
[
"Funchal",
"Renata Zukanovich",
""
]
] | The detection of coherent neutrino-nucleus scattering by the COHERENT collaboration has set on quantitative grounds the existence of an irreducible neutrino background in direct detection searches of Weakly Interacting Massive Dark Matter candidates. This background leads to an ultimate discovery limit for these experi... |
hep-ph/0009226 | Bruce Hoeneisen | B. Hoeneisen and C. Marin | Like-sign dimuon charge asymmetry in the decay of B B-bar pairs | 9 pages, 3 Postscript figures | null | null | Universidad San Francisco de Quito preprint USFQ-3-2000 | hep-ph | null | We discuss the CP-violating dimuon charge asymmetry of events p p-bar ---> B
B-bar X ---> mu mu X in the Standard Model. Our conclusion is that the
asymmetry is larger than previously expected and may reach a few percent for
the (B_d^0, B-bar_d^0) system. The analysis is also extended to the Two Higgs
Doublet Model (... | [
{
"created": "Tue, 19 Sep 2000 22:09:19 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hoeneisen",
"B.",
""
],
[
"Marin",
"C.",
""
]
] | We discuss the CP-violating dimuon charge asymmetry of events p p-bar ---> B B-bar X ---> mu mu X in the Standard Model. Our conclusion is that the asymmetry is larger than previously expected and may reach a few percent for the (B_d^0, B-bar_d^0) system. The analysis is also extended to the Two Higgs Doublet Model (Mo... |
1202.2470 | Vesna Borka Jovanovi\'c | V. Borka Jovanovi\'c, D. Borka | Mass formulas for single-charm tetraquarks with Fermi-Breit hyperfine
interaction | 13 pages, 6 tables, 2 figures. Accepted for publication in Rom. J.
Phys | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we present the main results of our investigation of the $cq
\bar{q} \bar{q}$ single-charm scalar tetraquarks and their SU(3)$_\mathrm{F}$
representations: $\bar{15}_S$, $\bar{3}_S$, $6_A$ and $\bar{3}_A$. We use the
Fermi-Breit interaction Hamiltonian with SU(3) flavor symmetry breaking to
determine the... | [
{
"created": "Sat, 11 Feb 2012 20:31:42 GMT",
"version": "v1"
}
] | 2012-02-14 | [
[
"Jovanović",
"V. Borka",
""
],
[
"Borka",
"D.",
""
]
] | In this paper we present the main results of our investigation of the $cq \bar{q} \bar{q}$ single-charm scalar tetraquarks and their SU(3)$_\mathrm{F}$ representations: $\bar{15}_S$, $\bar{3}_S$, $6_A$ and $\bar{3}_A$. We use the Fermi-Breit interaction Hamiltonian with SU(3) flavor symmetry breaking to determine the m... |
hep-ph/0106213 | Liangsb | Chongxing Yue, Qingjun Xu, Guoli Liu | Lepton-Flavor Violating Processes $l_{i}\to l_{j}\gamma$ in Topcolor
Assisted Technicolor Models | some mistakes corrected and several references added | Commun.Theor.Phys.38:461-464,2002 | 10.1088/0253-6102/38/4/461 | null | hep-ph | null | We consider the lepton-flavor violating(LFV) processes $l_{i}\to l_{j}\gamma$
in the framework of topcolor assisted technicolor(TC2) models. We find that the
new gauge boson $Z^{\prime}$ predicted by TC2 models can give significantly
contributions to these processes via the flavor changing couplings. The present
expe... | [
{
"created": "Tue, 19 Jun 2001 09:25:52 GMT",
"version": "v1"
},
{
"created": "Sun, 26 Aug 2001 22:59:27 GMT",
"version": "v2"
}
] | 2018-01-17 | [
[
"Yue",
"Chongxing",
""
],
[
"Xu",
"Qingjun",
""
],
[
"Liu",
"Guoli",
""
]
] | We consider the lepton-flavor violating(LFV) processes $l_{i}\to l_{j}\gamma$ in the framework of topcolor assisted technicolor(TC2) models. We find that the new gauge boson $Z^{\prime}$ predicted by TC2 models can give significantly contributions to these processes via the flavor changing couplings. The present experi... |
hep-ph/0004184 | Arnd Brandenburg | W. Bernreuther, A. Brandenburg, Z.G. Si | Next-to-leading order QCD corrections to top quark spin correlations at
hadron colliders: the reactions $q{\bar q}\to t{\bar t}(g)$ | 14 pages, 5 figures | Phys.Lett. B483 (2000) 99-104 | 10.1016/S0370-2693(00)00583-9 | null | hep-ph | null | Future hadron collider experiments are expected to record large to huge
samples of $t\bar t$ events. The analysis of these data with respect to $t\bar
t$ spin-spin correlations requires precise predictions of the production of
these quark pairs in a general spin configuration. Therefore we have computed,
at next-to-l... | [
{
"created": "Wed, 19 Apr 2000 16:01:29 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Bernreuther",
"W.",
""
],
[
"Brandenburg",
"A.",
""
],
[
"Si",
"Z. G.",
""
]
] | Future hadron collider experiments are expected to record large to huge samples of $t\bar t$ events. The analysis of these data with respect to $t\bar t$ spin-spin correlations requires precise predictions of the production of these quark pairs in a general spin configuration. Therefore we have computed, at next-to-lea... |
1410.5478 | Ben King | B. King | Double Compton scattering in a constant crossed field | 8 pages, 6 figures | Phys. Rev. A 91, 033415 (2015) | 10.1103/PhysRevA.91.033415 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Two-photon emission of an electron in an electromagnetic plane wave of
vanishing frequency is calculated. The unpolarised probability is split into a
two-step process, which is shown to be exactly equal to an integration over
polarised subprocesses, and a one-step process, which is found to be dominant
over the forma... | [
{
"created": "Mon, 20 Oct 2014 21:40:43 GMT",
"version": "v1"
}
] | 2015-09-15 | [
[
"King",
"B.",
""
]
] | Two-photon emission of an electron in an electromagnetic plane wave of vanishing frequency is calculated. The unpolarised probability is split into a two-step process, which is shown to be exactly equal to an integration over polarised subprocesses, and a one-step process, which is found to be dominant over the formati... |
1606.04873 | Yao De-Liang | Jambul Gegelia, Ulf-G. Mei{\ss}ner, De-Liang Yao | The width of the Roper resonance in baryon chiral perturbation theory | 11 pages, 3 figures | null | 10.1016/j.physletb.2016.07.068 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the width of the Roper resonance at next-to-leading order in a
systematic expansion of baryon chiral perturbation theory with pions, nucleons,
and the delta and Roper resonances as dynamical degrees of freedom. Three
unknown low-energy constants contribute up to the given order. One of them can
be fixed ... | [
{
"created": "Wed, 15 Jun 2016 17:31:05 GMT",
"version": "v1"
}
] | 2016-08-24 | [
[
"Gegelia",
"Jambul",
""
],
[
"Meißner",
"Ulf-G.",
""
],
[
"Yao",
"De-Liang",
""
]
] | We calculate the width of the Roper resonance at next-to-leading order in a systematic expansion of baryon chiral perturbation theory with pions, nucleons, and the delta and Roper resonances as dynamical degrees of freedom. Three unknown low-energy constants contribute up to the given order. One of them can be fixed by... |
1207.1462 | Christoph Berger | Ch. Berger and L. M. Sehgal | Flow of entropy in the evolution of the B^0 anti B^0 system: Upper bound
on CP violation from unidirectionality | 8 pages, 4 figures. Typos corrected, comment on entropy added. To be
published in Physical Review D | Phys.Rev. D86 057901 2012 | 10.1103/PhysRevD.86.057901 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We have previously studied the time-dependence of a B anti B meson mixture in
terms of its density matrix. The requirement that the absolute value of the
Stokes vector zeta(t) should evolve monotonically from its initial value
zeta(0)=0 to its final value zeta(infinity)=1 was shown to lead to an upper
bound on the CP... | [
{
"created": "Thu, 5 Jul 2012 21:00:54 GMT",
"version": "v1"
},
{
"created": "Sat, 18 Aug 2012 08:41:15 GMT",
"version": "v2"
}
] | 2015-08-06 | [
[
"Berger",
"Ch.",
""
],
[
"Sehgal",
"L. M.",
""
]
] | We have previously studied the time-dependence of a B anti B meson mixture in terms of its density matrix. The requirement that the absolute value of the Stokes vector zeta(t) should evolve monotonically from its initial value zeta(0)=0 to its final value zeta(infinity)=1 was shown to lead to an upper bound on the CP v... |
1812.08501 | Clara \'Alvarez Luna | C. \'Alvarez-Luna and J. A. R. Cembranos | Dark photon searches with atomic transitions | 16 pages, 3 figures | J. High Energ. Phys. (2019) 2019: 110 | 10.1007/JHEP07(2019)110 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Dark matter could be made up of dark photons, massive but very light
particles whose interactions with matter resemble those of usual photons but
suppressed by a small mixing parameter. We analyze the main approaches to dark
photon interactions and how they can be applied to direct detection experiments
which test di... | [
{
"created": "Thu, 20 Dec 2018 11:49:05 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Sep 2019 14:13:25 GMT",
"version": "v2"
}
] | 2019-09-13 | [
[
"Álvarez-Luna",
"C.",
""
],
[
"Cembranos",
"J. A. R.",
""
]
] | Dark matter could be made up of dark photons, massive but very light particles whose interactions with matter resemble those of usual photons but suppressed by a small mixing parameter. We analyze the main approaches to dark photon interactions and how they can be applied to direct detection experiments which test diff... |
1404.5038 | Huong Do Thi | L. T. Hue, D. T. Huong, H. N. Long, H. T. Hung, N. H. Thao | Signal of doubly charged Higgs at $e^+e^-$ colliders | 48 pages, 22 figures, more considerations included, accepted for
publication in PTEP | Prog. Theor. Exp. Phys. (2015) 113B05 | 10.1093/ptep/ptv155 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Masses and signals of the production of Doubly charged Higgses(DCH) in the
framework of the supersymmetric reduced minimal 3-3-1 model(SUSYRM331) are
investigated. In the DCH sector, weprove that there always exists a region of
the parameter space where the mass of the lightest DCH is in order of
$\mathcal{O}(100)$ G... | [
{
"created": "Sun, 20 Apr 2014 13:32:46 GMT",
"version": "v1"
},
{
"created": "Fri, 2 Oct 2015 16:20:39 GMT",
"version": "v2"
}
] | 2015-12-03 | [
[
"Hue",
"L. T.",
""
],
[
"Huong",
"D. T.",
""
],
[
"Long",
"H. N.",
""
],
[
"Hung",
"H. T.",
""
],
[
"Thao",
"N. H.",
""
]
] | Masses and signals of the production of Doubly charged Higgses(DCH) in the framework of the supersymmetric reduced minimal 3-3-1 model(SUSYRM331) are investigated. In the DCH sector, weprove that there always exists a region of the parameter space where the mass of the lightest DCH is in order of $\mathcal{O}(100)$ GeV... |
1605.01209 | Alfredo Urbano | Gian F. Giudice, Matthew McCullough, Alfredo Urbano | Hunting for Dark Particles with Gravitational Waves | 44 pages, 14 figures. Revised version to appear in JCAP | null | 10.1088/1475-7516/2016/10/001 | null | hep-ph astro-ph.HE gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The LIGO observation of gravitational waves from a binary black hole merger
has begun a new era in fundamental physics. If new dark sector particles, be
they bosons or fermions, can coalesce into exotic compact objects (ECOs) of
astronomical size, then the first evidence for such objects, and their
underlying microph... | [
{
"created": "Wed, 4 May 2016 10:22:37 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Oct 2016 08:34:23 GMT",
"version": "v2"
}
] | 2016-10-12 | [
[
"Giudice",
"Gian F.",
""
],
[
"McCullough",
"Matthew",
""
],
[
"Urbano",
"Alfredo",
""
]
] | The LIGO observation of gravitational waves from a binary black hole merger has begun a new era in fundamental physics. If new dark sector particles, be they bosons or fermions, can coalesce into exotic compact objects (ECOs) of astronomical size, then the first evidence for such objects, and their underlying microphys... |
1408.4552 | Dao-Neng Gao | Dao-Neng Gao | Analysis of $J/\psi(\eta_c)\to \gamma ~+$ invisible decays in the
standard model | 7 pages, 4 figures. An appendix added, published version | Phys. Rev. D 90, 077501 (2014) | 10.1103/PhysRevD.90.077501 | USTC-ICTS-14-14 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by the experimental study of $J/\psi\to\gamma ~+$ invisible decay
by the CLEO Collaboration, we analyze the process $J/\psi\to \gamma
\nu\bar{\nu}$, as the standard model background for this invisible decay, at
the lowest order. Our investigation shows that Br($J/\psi\to \gamma
\nu\bar{\nu}$) is far below t... | [
{
"created": "Wed, 20 Aug 2014 07:33:59 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Oct 2014 06:12:03 GMT",
"version": "v2"
}
] | 2014-10-08 | [
[
"Gao",
"Dao-Neng",
""
]
] | Motivated by the experimental study of $J/\psi\to\gamma ~+$ invisible decay by the CLEO Collaboration, we analyze the process $J/\psi\to \gamma \nu\bar{\nu}$, as the standard model background for this invisible decay, at the lowest order. Our investigation shows that Br($J/\psi\to \gamma \nu\bar{\nu}$) is far below the... |
hep-ph/9410257 | Phil Ratcliffe | Giuliano Preparata and Philip G. Ratcliffe | The Pomeron in QCD | 8 pages (LaTeX, plus 4 postscript figures in a separate file), report
number MITH 94/13 *** Replaced figures file with uuencoded, compressed,
tarred version *** | Phys.Lett. B345 (1995) 272-276 | 10.1016/0370-2693(94)01621-I | null | hep-ph | null | In the framework of Anisotropic Chromodynamics, a non-perturbative
realization of QCD, we develop the Low-Nussinov picture of the Pomeron. In this
approach all the usual problems of low pT perturbative calculations (infrared
divergence) are naturally absent. Thus, we are able to perform an ab initio
calculation of th... | [
{
"created": "Tue, 11 Oct 1994 10:47:44 GMT",
"version": "v1"
},
{
"created": "Wed, 12 Oct 1994 10:53:22 GMT",
"version": "v2"
},
{
"created": "Thu, 13 Oct 1994 16:32:36 GMT",
"version": "v3"
}
] | 2009-10-28 | [
[
"Preparata",
"Giuliano",
""
],
[
"Ratcliffe",
"Philip G.",
""
]
] | In the framework of Anisotropic Chromodynamics, a non-perturbative realization of QCD, we develop the Low-Nussinov picture of the Pomeron. In this approach all the usual problems of low pT perturbative calculations (infrared divergence) are naturally absent. Thus, we are able to perform an ab initio calculation of the ... |
0802.3193 | Brigitte Hiller | Brigitte Hiller, Alexander A. Osipov, Alex H. Blin and Joao da
Providencia | Effects of Quark Interactions on Dynamical Chiral Symmetry Breaking by a
Magnetic Field | This is a contribution to the Proc. of the Seventh International
Conference ''Symmetry in Nonlinear Mathematical Physics'' (June 24-30, 2007,
Kyiv, Ukraine), published in SIGMA (Symmetry, Integrability and Geometry:
Methods and Applications) at http://www.emis.de/journals/SIGMA/ | SIGMA 4:024,2008 | 10.3842/SIGMA.2008.024 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is shown how the strong interaction dynamics of a multi-quark Lagrangian
affects the catalysis of dynamical symmetry breaking by a constant magnetic
field in (3+1) dimensions. Attention is drawn to the local minima structure of
the theory.
| [
{
"created": "Thu, 21 Feb 2008 19:14:40 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Feb 2008 19:48:15 GMT",
"version": "v2"
}
] | 2008-12-19 | [
[
"Hiller",
"Brigitte",
""
],
[
"Osipov",
"Alexander A.",
""
],
[
"Blin",
"Alex H.",
""
],
[
"da Providencia",
"Joao",
""
]
] | It is shown how the strong interaction dynamics of a multi-quark Lagrangian affects the catalysis of dynamical symmetry breaking by a constant magnetic field in (3+1) dimensions. Attention is drawn to the local minima structure of the theory. |
1512.05011 | Todd Garon | Vernon Barger, Lisa L. Everett, and Todd S. Garon | Electroweak Naturalness and Deflected Mirage Mediation | 17 Pages, 7 Figures | Phys. Rev. D 93, 075024 (2016) | 10.1103/PhysRevD.93.075024 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the question of electroweak naturalness within the deflected
mirage mediation (DMM) framework for supersymmetry breaking in the minimal
supersymmetric standard model (MSSM). The class of DMM models considered are
nine-parameter theories that fall within the general classification of the
19-parameter ph... | [
{
"created": "Tue, 15 Dec 2015 23:30:04 GMT",
"version": "v1"
}
] | 2016-04-27 | [
[
"Barger",
"Vernon",
""
],
[
"Everett",
"Lisa L.",
""
],
[
"Garon",
"Todd S.",
""
]
] | We investigate the question of electroweak naturalness within the deflected mirage mediation (DMM) framework for supersymmetry breaking in the minimal supersymmetric standard model (MSSM). The class of DMM models considered are nine-parameter theories that fall within the general classification of the 19-parameter phen... |
0705.2610 | Rudy Gilmore | Rudy C. Gilmore | Mass Limits on Neutralino Dark Matter | 11 pages, 3 figures | Phys.Rev.D76:043520,2007 | 10.1103/PhysRevD.76.043520 | null | hep-ph | null | We set an upper limit on the mass of a supersymmetric neutralino dark matter
particle using the MicrOMEGAS and DarkSUSY software packages and the most
recent constraints on relic density from combined WMAP and SDSS data. We
explore several different possible scenarios within the MSSM, including
coannihilation with ch... | [
{
"created": "Thu, 17 May 2007 22:14:04 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Aug 2007 00:55:01 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Gilmore",
"Rudy C.",
""
]
] | We set an upper limit on the mass of a supersymmetric neutralino dark matter particle using the MicrOMEGAS and DarkSUSY software packages and the most recent constraints on relic density from combined WMAP and SDSS data. We explore several different possible scenarios within the MSSM, including coannihilation with char... |
1503.05078 | Thomas Steeger | Lisa Edelhaeuser, Alexander Knochel and Thomas Steeger | Applying EFT to Higgs Pair Production in Universal Extra Dimensions | 13 pages, 8 figures | null | 10.1007/JHEP11(2015)062 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate single Higgs and Higgs pair production at the LHC in models of
Universal Extra Dimensions. After calculating the relevant cross sections, we
use the UED model as a testing ground for the Effective Field Theory approach
to physics beyond the Standard Model. We show how the UED contributions to
Higgs pro... | [
{
"created": "Tue, 17 Mar 2015 14:46:30 GMT",
"version": "v1"
}
] | 2015-11-23 | [
[
"Edelhaeuser",
"Lisa",
""
],
[
"Knochel",
"Alexander",
""
],
[
"Steeger",
"Thomas",
""
]
] | We investigate single Higgs and Higgs pair production at the LHC in models of Universal Extra Dimensions. After calculating the relevant cross sections, we use the UED model as a testing ground for the Effective Field Theory approach to physics beyond the Standard Model. We show how the UED contributions to Higgs produ... |
2208.13782 | Andreas Bally | Andrei Angelescu, Andreas Bally, Florian Goertz, Sascha Weber | SU(6) Gauge-Higgs Grand Unification: Minimal Viable Models and Flavor | 47 + 12 pages, 5 figures, 2 appendices | null | 10.1007/JHEP04(2023)012 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Gauge-Higgs grand unification theories are models of gauge-Higgs unification
that extend the electroweak group into a simple group that includes the color
symmetry. The minimal option is a gauge-Higgs grand unification based on the
SU(6) gauge group, mirroring SU(5) grand unification in 4D while providing a
solution ... | [
{
"created": "Mon, 29 Aug 2022 18:00:00 GMT",
"version": "v1"
}
] | 2023-04-19 | [
[
"Angelescu",
"Andrei",
""
],
[
"Bally",
"Andreas",
""
],
[
"Goertz",
"Florian",
""
],
[
"Weber",
"Sascha",
""
]
] | Gauge-Higgs grand unification theories are models of gauge-Higgs unification that extend the electroweak group into a simple group that includes the color symmetry. The minimal option is a gauge-Higgs grand unification based on the SU(6) gauge group, mirroring SU(5) grand unification in 4D while providing a solution to... |
hep-ph/9909241 | Wolfgang Ochs | Wolfgang Ochs (MPI Physik, Munich) | Lightest glueball and scalar meson nonet in production and decay | 3 pages, talk at EPS-HEP '99 Conference, July 15-21, 1999, Tampere,
Finland | null | null | MPI-PhT/99-40 | hep-ph | null | Recent results concerning the evidence and classification of the
J^{PC}=0^{++} states, obtained with P. Minkowski, are presented: The isoscalars
f_0(980) and f_0(1500) are classified as members of the 0^{++} nonet, while the
broad state called f_0(400-1200) and the state f_0(1370) are considered as
different componen... | [
{
"created": "Fri, 3 Sep 1999 10:44:34 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ochs",
"Wolfgang",
"",
"MPI Physik, Munich"
]
] | Recent results concerning the evidence and classification of the J^{PC}=0^{++} states, obtained with P. Minkowski, are presented: The isoscalars f_0(980) and f_0(1500) are classified as members of the 0^{++} nonet, while the broad state called f_0(400-1200) and the state f_0(1370) are considered as different components... |
hep-ph/9906289 | Werner Vogelsang | W. Vogelsang (ITP, SUNY at Stony Brook) | Polarized lepton nucleon scattering -- summary of the theory talks on
spin physics at DIS 99 | 10 Pages, LaTeX, 6 figures as eps files | Nucl.Phys.Proc.Suppl.79:755-765,1999 | 10.1016/S0920-5632(99)00817-8 | ITP-SB-99-26 | hep-ph | null | We summarize the theory talks given in Working Group 4 `Polarized Lepton
Nucleon Scattering' at the DIS 99 workshop. The significant progress made over
the last year on many of the interesting topics in `spin physics' is
documented.
| [
{
"created": "Tue, 8 Jun 1999 15:31:40 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Vogelsang",
"W.",
"",
"ITP, SUNY at Stony Brook"
]
] | We summarize the theory talks given in Working Group 4 `Polarized Lepton Nucleon Scattering' at the DIS 99 workshop. The significant progress made over the last year on many of the interesting topics in `spin physics' is documented. |
2309.02293 | Manuel Donaire | M. Donaire | Acceleration of a polarized neutron by its weak nuclear self-interaction | 4-page article + 6-page appendix + 1 figure | null | null | null | hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | It is proven that the rotation of the spin of a polarized neutron is
accompanied by a net nuclear force upon it. This force arises from the weak
nuclear self-interaction of its constituent quarks, whose chiral nature induces
the transfer of a net momentum to the fields of Z and W-bosons. This effect is
linear in Ferm... | [
{
"created": "Tue, 5 Sep 2023 14:56:38 GMT",
"version": "v1"
}
] | 2023-09-06 | [
[
"Donaire",
"M.",
""
]
] | It is proven that the rotation of the spin of a polarized neutron is accompanied by a net nuclear force upon it. This force arises from the weak nuclear self-interaction of its constituent quarks, whose chiral nature induces the transfer of a net momentum to the fields of Z and W-bosons. This effect is linear in Fermi'... |
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