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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1105.0583 | Vladimir Galkin | D. Ebert, R. N. Faustov, V. O. Galkin | Spectroscopy and Regge trajectories of heavy baryons in the relativistic
quark-diquark picture | 25 pages, 10 figures | Phys.Rev.D84:014025,2011 | 10.1103/PhysRevD.84.014025 | HU-EP-11/21 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Mass spectra of heavy baryons are calculated in the
heavy-quark--light-diquark picture in the framework of the QCD-motivated
relativistic quark model. The dynamics of light quarks in the diquark as well
as the dynamics of the heavy quark and light diquark in the baryon are treated
completely relativistically without ... | [
{
"created": "Tue, 3 May 2011 13:46:04 GMT",
"version": "v1"
}
] | 2011-08-09 | [
[
"Ebert",
"D.",
""
],
[
"Faustov",
"R. N.",
""
],
[
"Galkin",
"V. O.",
""
]
] | Mass spectra of heavy baryons are calculated in the heavy-quark--light-diquark picture in the framework of the QCD-motivated relativistic quark model. The dynamics of light quarks in the diquark as well as the dynamics of the heavy quark and light diquark in the baryon are treated completely relativistically without ap... |
1403.6826 | Gordan Krnjaic | Eder Izaguirre, Gordan Krnjaic, Philip Schuster, and Natalia Toro | Physics Motivation for a Pilot Dark Matter Search at Jefferson
Laboratory | 11 pages, 7 figures | Phys. Rev. D 90, 014052 (2014) | 10.1103/PhysRevD.90.014052 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It has recently been demonstrated that a program of parasitic electron-beam
fixed-target experiments would have powerful discovery potential for dark
matter and other new weakly-coupled particles in the MeV-GeV mass range. The
first stage of this program can be realized at Jefferson Laboratory using an
existing plast... | [
{
"created": "Wed, 26 Mar 2014 20:00:00 GMT",
"version": "v1"
}
] | 2014-08-06 | [
[
"Izaguirre",
"Eder",
""
],
[
"Krnjaic",
"Gordan",
""
],
[
"Schuster",
"Philip",
""
],
[
"Toro",
"Natalia",
""
]
] | It has recently been demonstrated that a program of parasitic electron-beam fixed-target experiments would have powerful discovery potential for dark matter and other new weakly-coupled particles in the MeV-GeV mass range. The first stage of this program can be realized at Jefferson Laboratory using an existing plastic... |
0809.2359 | Feng-Kun Guo | Feng-Kun Guo, Christoph Hanhart, Ulf-G. Mei{\ss}ner | Mass splittings within heavy baryon isospin multiplets in chiral
perturbation theory | 15 pages, 2 figures | JHEP0809:136,2008 | 10.1088/1126-6708/2008/09/136 | FZJ-IKP(TH)-2008-14, HISKP-TH-08-15 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the mass splittings within the heavy baryon isospin multiplets
\Sigma_{c(b)} and \Xi_{c(b)}' in chiral perturbation theory to leading one-loop
order. The pattern of the mass splittings in the \Sigma_c iso-triplet, which is
different from that of any other known isospin multiplet, can be explained. We
pre... | [
{
"created": "Sat, 13 Sep 2008 17:51:46 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Guo",
"Feng-Kun",
""
],
[
"Hanhart",
"Christoph",
""
],
[
"Meißner",
"Ulf-G.",
""
]
] | We calculate the mass splittings within the heavy baryon isospin multiplets \Sigma_{c(b)} and \Xi_{c(b)}' in chiral perturbation theory to leading one-loop order. The pattern of the mass splittings in the \Sigma_c iso-triplet, which is different from that of any other known isospin multiplet, can be explained. We predi... |
1905.03649 | Alessio Notari | Alessio Notari, Daniele Bertacca | On systematic and GR effects on muon $g-2$ experiments | 37 pages, 6 figures | null | 10.1007/JHEP11(2019)030 | null | hep-ph gr-qc hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive in full generality the equations that govern the time dependence of
the energy ${\mathcal E}$ of the decay electrons in a muon $g-2$ experiment. We
include both electromagnetic and gravitational effects and we estimate possible
systematics on the measurements of $g-2\equiv 2(1+a)$, whose experimental
uncert... | [
{
"created": "Thu, 9 May 2019 14:21:53 GMT",
"version": "v1"
}
] | 2020-01-08 | [
[
"Notari",
"Alessio",
""
],
[
"Bertacca",
"Daniele",
""
]
] | We derive in full generality the equations that govern the time dependence of the energy ${\mathcal E}$ of the decay electrons in a muon $g-2$ experiment. We include both electromagnetic and gravitational effects and we estimate possible systematics on the measurements of $g-2\equiv 2(1+a)$, whose experimental uncertai... |
hep-ph/9806393 | Ansar Fayyazuddin | Fayyazuddin (Quaid-i-Azam University) | $\Lambda_b \to \Lambda + D (\bar{D}^0)$ decays and CP-violation | 9 pages, 2 figures | Mod.Phys.Lett. A14 (1999) 63-70 | 10.1142/S0217732399000092 | null | hep-ph | null | It is shown that interference of the amplitudes for the decays $\Lambda_b \to
\Lambda D$ and $\Lambda_b \to \Lambda \bar{D}^0$ gives rise to CP-violation.
| [
{
"created": "Wed, 17 Jun 1998 13:40:58 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Fayyazuddin",
"",
"",
"Quaid-i-Azam University"
]
] | It is shown that interference of the amplitudes for the decays $\Lambda_b \to \Lambda D$ and $\Lambda_b \to \Lambda \bar{D}^0$ gives rise to CP-violation. |
hep-ph/0112141 | Simone Donati | A. Bardi, A. Belloni, R. Carosi, A. Cerri, G. Chlachidze, M.
Dell'Orso, S. Donati, S. Galeotti, P. Giannetti, V. Glagolev, E. Meschi, F.
Morsani, D. Passuello, G. Punzi, L. Ristori, A. Semenov, F. Spinella, A.
Barchiesi, M. Rescigno, S. Sarkar, L. Zanello, M. Bari, S. Belforte, A.M.
Zanetti, I. Fiori, B. Ashman... | The CDF-II Online Silicon Vertex Tracker | Invited talk at the ICALEPCS2001 Conference, Novermber 27-30, 2001,
San Jose, California, 5 pages, LaTex, 3 figures | eConf C011127:THBT003,2001 | null | null | hep-ph | null | The Online Silicon Vertex Tracker is the new CDF-II level 2 trigger processor
designed to reconstruct 2-D tracks within the Silicon Vertex Detector with high
speed and accuracy. By performing a precise measurement of impact parameters
the SVT allows tagging online B events which typically show displaced secondary
ver... | [
{
"created": "Tue, 11 Dec 2001 00:09:22 GMT",
"version": "v1"
}
] | 2009-05-20 | [
[
"Bardi",
"A.",
""
],
[
"Belloni",
"A.",
""
],
[
"Carosi",
"R.",
""
],
[
"Cerri",
"A.",
""
],
[
"Chlachidze",
"G.",
""
],
[
"Dell'Orso",
"M.",
""
],
[
"Donati",
"S.",
""
],
[
"Galeotti",
"S.",
... | The Online Silicon Vertex Tracker is the new CDF-II level 2 trigger processor designed to reconstruct 2-D tracks within the Silicon Vertex Detector with high speed and accuracy. By performing a precise measurement of impact parameters the SVT allows tagging online B events which typically show displaced secondary verti... |
hep-ph/9611262 | shunzo Kumano | S. Kumano (Saga University) | Flavor asymmetry $\bar u-\bar d$ in the nucleon | 6 pages, LATEX with epsf.sty and wrapfig.sty, 4 eps figures. Talk
given at the Circum-Pan-Pacific Workshop on High Energy Spin Physics. Kobe,
Japan, October 2 - 4, 1996. Complete postscript file including the figures is
available at ftp://ftp.cc.saga-u.ac.jp/pub/paper/riko/quantum1 or at
http://www.cc.saga-u.ac... | null | null | SAGA-HE-111-96 | hep-ph | null | We give a brief summary of the Gottfried sum rule and a flavor asymmetric
distribution $\bar u-\bar d$ in the nucleon. First, experimental history of the
sum-rule studies is discussed. Second, future prospects for studying the
asymmetry at Fermilab and RHIC are discussed. We also comment on possible
nuclear modificat... | [
{
"created": "Thu, 7 Nov 1996 09:59:04 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kumano",
"S.",
"",
"Saga University"
]
] | We give a brief summary of the Gottfried sum rule and a flavor asymmetric distribution $\bar u-\bar d$ in the nucleon. First, experimental history of the sum-rule studies is discussed. Second, future prospects for studying the asymmetry at Fermilab and RHIC are discussed. We also comment on possible nuclear modificatio... |
hep-ph/0301256 | Robert Fleischer | Robert Fleischer (CERN) | A Closer Look at $B_{d,s}\to D f_r$ Decays and Novel Avenues to
Determine $\gamma$ | 37 pages, 5 figures, sign error in factorization prediction for
cos(delta) corrected and numerical examples modified accordingly, conclusions
unchanged | Nucl.Phys.B659:321-355,2003 | 10.1016/S0550-3213(03)00225-6 | CERN-TH/2003-011 | hep-ph | null | Decays of neutral B mesons originating from $b\to D r$ $(r\in\{s,d\})$
processes, i.e. $B_d\to DK_{S(L)}$, $B_s\to D\eta^{(')}, D\phi, ...$ $(r=s)$
and $B_s\to DK_{S(L)}$, $B_d\to D\pi^0, D\rho^0, ...$ $(r=d)$ modes, offer
valuable insights into CP violation. Here the neutral $D$ mesons may be
observed through $D\to ... | [
{
"created": "Wed, 29 Jan 2003 11:50:01 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Oct 2003 10:13:13 GMT",
"version": "v2"
}
] | 2010-11-23 | [
[
"Fleischer",
"Robert",
"",
"CERN"
]
] | Decays of neutral B mesons originating from $b\to D r$ $(r\in\{s,d\})$ processes, i.e. $B_d\to DK_{S(L)}$, $B_s\to D\eta^{(')}, D\phi, ...$ $(r=s)$ and $B_s\to DK_{S(L)}$, $B_d\to D\pi^0, D\rho^0, ...$ $(r=d)$ modes, offer valuable insights into CP violation. Here the neutral $D$ mesons may be observed through $D\to f_... |
1812.09341 | Volodymyr Takhistov | Mu-Chun Chen, Volodymyr Takhistov | Baryogenesis, Dark Matter, and Flavor Structure in Non-thermal Moduli
Cosmology | 26 pages; v2: published version | JHEP 1905 (2019) 101 | 10.1007/JHEP05(2019)101 | null | hep-ph astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The appearance of scalar/moduli fields in the early universe, as motivated by
string theory, naturally leads to non-thermal "moduli cosmology". Such
cosmology provides a consistent framework where the generation of radiation,
baryons, and dark matter can occur while maintaining successful Big Bang
Nucleosynthesis and... | [
{
"created": "Fri, 21 Dec 2018 19:15:07 GMT",
"version": "v1"
},
{
"created": "Sun, 26 May 2019 19:45:59 GMT",
"version": "v2"
}
] | 2019-05-28 | [
[
"Chen",
"Mu-Chun",
""
],
[
"Takhistov",
"Volodymyr",
""
]
] | The appearance of scalar/moduli fields in the early universe, as motivated by string theory, naturally leads to non-thermal "moduli cosmology". Such cosmology provides a consistent framework where the generation of radiation, baryons, and dark matter can occur while maintaining successful Big Bang Nucleosynthesis and a... |
2201.04997 | Li-Sheng Geng | Zhi-Wei Liu, Kai-Wen Li, and Li-Sheng Geng | Strangeness $S = -2$ baryon-baryon interactions and femtoscopic
correlation functions in covariant chiral effective field theory | 21 pages, 17 figures; version accepted for publication in Chinese
Physics C | null | 10.1088/1674-1137/ac988a | null | hep-ph hep-ex hep-lat nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the baryon-baryon interactions with strangeness $S = -2$ and
corresponding momentum correlation functions in leading order covariant chiral
effective field theory. The relevant low energy constants are determined by
fitting to the latest HAL QCD simulations, taking into account all the coupled
channels. Extr... | [
{
"created": "Thu, 13 Jan 2022 14:22:32 GMT",
"version": "v1"
},
{
"created": "Mon, 27 Jun 2022 14:03:43 GMT",
"version": "v2"
},
{
"created": "Tue, 4 Oct 2022 13:23:58 GMT",
"version": "v3"
}
] | 2023-01-25 | [
[
"Liu",
"Zhi-Wei",
""
],
[
"Li",
"Kai-Wen",
""
],
[
"Geng",
"Li-Sheng",
""
]
] | We study the baryon-baryon interactions with strangeness $S = -2$ and corresponding momentum correlation functions in leading order covariant chiral effective field theory. The relevant low energy constants are determined by fitting to the latest HAL QCD simulations, taking into account all the coupled channels. Extrap... |
hep-ph/0005290 | Yury F. Pirogov | Yu. F. Pirogov (IHEP, Protvino and MIPT, Moscow) | Parametrizing and rephasing neutrino mixing | 25 pages, LaTeX | Phys.Atom.Nucl. 65 (2002) 109-120; Yad.Fiz. 65 (2002) 114-125 | 10.1134/1.1446562 | IHEP 2000-12 | hep-ph | null | Neutrino mixing in the standard model extensions, both renormalizable and
effective, with arbitrary numbers of the singlet and left-handed doublet
neutrinos is investigated in a systematic fashion. The charged and neutral (the
Z and Higgs mediated)lepton currents are written under general Majorana
condition, and the ... | [
{
"created": "Mon, 29 May 2000 19:12:58 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Pirogov",
"Yu. F.",
"",
"IHEP, Protvino and MIPT, Moscow"
]
] | Neutrino mixing in the standard model extensions, both renormalizable and effective, with arbitrary numbers of the singlet and left-handed doublet neutrinos is investigated in a systematic fashion. The charged and neutral (the Z and Higgs mediated)lepton currents are written under general Majorana condition, and the od... |
1401.1507 | Asmaa Abada | Asmaa Abada and Michele Lucente | Looking for the minimal inverse seesaw realisation | 29 pages, 14 figures. In V2, one paragraph, one figure, 3 references
and few minor comments added. Title slightly changed | Nucl. Phys. B 885 (2014) 651 | 10.1016/j.nuclphysb.2014.06.003 | LPT-Orsay 13-39, SISSA 59/2013/FISI | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we consider a simple extension of the Standard Model involving
additional fermionic singlets and assume an underlying inverse seesaw mechanism
(with one or more right-handed neutrinos and one or more sterile fermions) for
neutrino mass generation. Under the assumption that both sterile states and
right-h... | [
{
"created": "Tue, 7 Jan 2014 21:01:01 GMT",
"version": "v1"
},
{
"created": "Wed, 7 May 2014 16:53:23 GMT",
"version": "v2"
}
] | 2014-07-16 | [
[
"Abada",
"Asmaa",
""
],
[
"Lucente",
"Michele",
""
]
] | In this work we consider a simple extension of the Standard Model involving additional fermionic singlets and assume an underlying inverse seesaw mechanism (with one or more right-handed neutrinos and one or more sterile fermions) for neutrino mass generation. Under the assumption that both sterile states and right-han... |
1108.1263 | Antonio Pineda | Antonio Pineda | Brief review of the theory of the muonic hydrogen Lamb shift and the
proton radius | 12 pages, 6 figures. Plenary talk at XIV International Conference on
Hadron Spectroscopy (hadron2011), 13-17 June 2011, Munich, Germany | null | null | null | hep-ph nucl-th physics.atom-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently the muonic hydrogen lamb shift has been measured with unprecedented
accuracy, allowing for a precise determination of the proton radius. This
determination is 5 sigma away from the previous CODATA value obtained from
(mainly) the hydrogen lamb shift and the electron-proton scattering. Within an
effective fie... | [
{
"created": "Fri, 5 Aug 2011 07:31:36 GMT",
"version": "v1"
}
] | 2011-08-08 | [
[
"Pineda",
"Antonio",
""
]
] | Recently the muonic hydrogen lamb shift has been measured with unprecedented accuracy, allowing for a precise determination of the proton radius. This determination is 5 sigma away from the previous CODATA value obtained from (mainly) the hydrogen lamb shift and the electron-proton scattering. Within an effective field... |
2204.07263 | Bai-Song Xie | Orkash Amat, Li-Na Hu, Adiljan Sawut, Melike Mohamedsedik, M. A. Bake
and B. S. Xie | Schwinger pair production rate and time for some space-dependent
electromagnetic fields via worldline instantons formalism | 13 pages, 11 figures | null | 10.1140/epjd/s10053-022-00519-y | null | hep-ph quant-ph | http://creativecommons.org/licenses/by/4.0/ | Schwinger pair production in some of space-dependent electromagnetic fields
is studied analytically by using worldline instantons formalism for scalar
quantum electrodynamics. With the increase of the modified Keldysh parameter
$\gamma_{keb}$, the pair production rate decreases, the region of instanton
paths expands ... | [
{
"created": "Thu, 14 Apr 2022 23:03:11 GMT",
"version": "v1"
}
] | 2022-10-26 | [
[
"Amat",
"Orkash",
""
],
[
"Hu",
"Li-Na",
""
],
[
"Sawut",
"Adiljan",
""
],
[
"Mohamedsedik",
"Melike",
""
],
[
"Bake",
"M. A.",
""
],
[
"Xie",
"B. S.",
""
]
] | Schwinger pair production in some of space-dependent electromagnetic fields is studied analytically by using worldline instantons formalism for scalar quantum electrodynamics. With the increase of the modified Keldysh parameter $\gamma_{keb}$, the pair production rate decreases, the region of instanton paths expands re... |
hep-ph/9804465 | Leonid Burakovsky | L. Burakovsky | Glueball Spectroscopy in Regge Phenomenology | 8 pages, LaTeX. Contribution to the PRQT '98 Conference, Houston,
Texas, Feb 9-11, 1998 | Found.Phys.28:1595-1605,1998 | 10.1023/A:1018842519801 | LA-UR-98-1695 | hep-ph | null | We show that linear Regge trajectories for mesons and glueballs, and the
cubic mass spectrum associated with them, determine a relation between the
masses of the \rho meson and the scalar glueball, M(0^{++})=3/\sqrt{2} M(\rho
), which implies M(0^{++})=1620\pm 10 MeV. We also discuss relations between
the masses of t... | [
{
"created": "Thu, 30 Apr 1998 19:52:52 GMT",
"version": "v1"
}
] | 2010-05-27 | [
[
"Burakovsky",
"L.",
""
]
] | We show that linear Regge trajectories for mesons and glueballs, and the cubic mass spectrum associated with them, determine a relation between the masses of the \rho meson and the scalar glueball, M(0^{++})=3/\sqrt{2} M(\rho ), which implies M(0^{++})=1620\pm 10 MeV. We also discuss relations between the masses of the... |
1806.07594 | Zhe Xu | Zhengyu Chen, Carsten Greiner, Zhe Xu, Pengfei Zhuang | Shear viscosity of ultrarelativistic Boson systems in the presence of a
Bose-Einstein condensate | 11 pages, 3 figures, matches published version | Phys. Rev. C 100, 014906 (2019) | 10.1103/PhysRevC.100.014906 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate for the first time the shear viscosity of ultrarelativistic
Boson systems in the presence of a Bose-Einstein condensate (BEC). Two
different methods are used. One is the Grad's method of moments and another is
the Green-Kubo relation within a kinetic transport approach. In this work we
consider a Boson s... | [
{
"created": "Wed, 20 Jun 2018 07:48:09 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Nov 2019 05:46:20 GMT",
"version": "v2"
}
] | 2019-11-19 | [
[
"Chen",
"Zhengyu",
""
],
[
"Greiner",
"Carsten",
""
],
[
"Xu",
"Zhe",
""
],
[
"Zhuang",
"Pengfei",
""
]
] | We calculate for the first time the shear viscosity of ultrarelativistic Boson systems in the presence of a Bose-Einstein condensate (BEC). Two different methods are used. One is the Grad's method of moments and another is the Green-Kubo relation within a kinetic transport approach. In this work we consider a Boson sys... |
1105.5431 | Sannino Francesco | Eugenio Del Nobile, Chris Kouvaris, Francesco Sannino (CP3-Origins &
DIAS) | Interfering Composite Asymmetric Dark Matter for DAMA and CoGeNT | 4 pages, 2 figures, 2 columns | Phys.Rev.D84:027301,2011 | 10.1103/PhysRevD.84.027301 | CP3-Origins-2011-18 & DIAS-2011-04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We provide a simple mechanism for reconciling the direct dark matter
experimental results. We consider light asymmetric composite dark matter which
scatters off nuclei via Higgs and photon exchange. We demonstrate that the
interference between these two channels naturally accommodates the experimental
results. We dis... | [
{
"created": "Fri, 27 May 2011 00:06:35 GMT",
"version": "v1"
}
] | 2011-08-08 | [
[
"Del Nobile",
"Eugenio",
"",
"CP3-Origins &\n DIAS"
],
[
"Kouvaris",
"Chris",
"",
"CP3-Origins &\n DIAS"
],
[
"Sannino",
"Francesco",
"",
"CP3-Origins &\n DIAS"
]
] | We provide a simple mechanism for reconciling the direct dark matter experimental results. We consider light asymmetric composite dark matter which scatters off nuclei via Higgs and photon exchange. We demonstrate that the interference between these two channels naturally accommodates the experimental results. We disco... |
1409.7918 | Alex Gomes Dias | Alex G. Dias | Intermediate Scale Accidental Axion and ALPs | 4 pages. To appear in the Proceedings of the 10th Patras Workshop on
Axions, WIMPs and WISPs, CERN, 29 June - 04 July 2014 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the problem of constructing models containing an axion and
axion-like particles, motivated by astrophysical observations, with decay
constants at the intermediate scale ranging from $10^9$GeV to $10^{13}$GeV. We
present examples in which the axion and axion-like particles arise accidentally
as pseudo Nambu... | [
{
"created": "Sun, 28 Sep 2014 14:53:26 GMT",
"version": "v1"
}
] | 2014-09-30 | [
[
"Dias",
"Alex G.",
""
]
] | We discuss the problem of constructing models containing an axion and axion-like particles, motivated by astrophysical observations, with decay constants at the intermediate scale ranging from $10^9$GeV to $10^{13}$GeV. We present examples in which the axion and axion-like particles arise accidentally as pseudo Nambu-G... |
hep-ph/9403390 | Juerg Gasser | J. Bijnens, G. Colangelo and J. Gasser | $K_{l4}$ - Decays Beyond One Loop | 31 pages, LaTex, 3 figs. (two figures appended as postscript file),
BUTP-94/4,ROMF2 94/05 | Nucl.Phys.B427:427-454,1994 | 10.1016/0550-3213(94)90634-3 | null | hep-ph | null | The matrix elements for $K\rightarrow \pi \pi \l \nu$ decays are described by
four form factors $F,G,H$ and $R$. We complete previous calculations by
evaluating $R$ at next-to-leading order in the low-energy expansion. We then
estimate higher order contributions using dispersion relations and determine
the low-energy... | [
{
"created": "Wed, 30 Mar 1994 09:02:39 GMT",
"version": "v1"
}
] | 2009-09-25 | [
[
"Bijnens",
"J.",
""
],
[
"Colangelo",
"G.",
""
],
[
"Gasser",
"J.",
""
]
] | The matrix elements for $K\rightarrow \pi \pi \l \nu$ decays are described by four form factors $F,G,H$ and $R$. We complete previous calculations by evaluating $R$ at next-to-leading order in the low-energy expansion. We then estimate higher order contributions using dispersion relations and determine the low-energy c... |
1209.6305 | Martin Hentschinski | F. Hautmann, M. Hentschinski and H. Jung | Unintegrated sea quark at small x and vector boson production | 4 pages, 4 figures. Based on a talk presented at the 47th Rencontres
de Moriond, QCD and High Energy Interactions, 10-17 March 2012, La Thuile,
Italy | null | null | IFT-UAM/CSIC-12-45 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss recent work on the transverse momentum dependent sea quark density
and its application to forward Drell-Yan production.
| [
{
"created": "Thu, 27 Sep 2012 17:54:09 GMT",
"version": "v1"
}
] | 2012-09-28 | [
[
"Hautmann",
"F.",
""
],
[
"Hentschinski",
"M.",
""
],
[
"Jung",
"H.",
""
]
] | We discuss recent work on the transverse momentum dependent sea quark density and its application to forward Drell-Yan production. |
1206.0199 | Michael Baker | Michael J. Baker, J. Bordes, H. M. Chan, S. T. Tsou | A Comprehensive Mechanism Reproducing the Mass and Mixing Parameters of
Quarks and Leptons | 37 pages, 1 figure | null | 10.1142/S0217751X1350070X | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is shown that if, from the starting point of a universal rank-one mass
matrix long favoured by phenomenologists, one adds the assumption that it
rotates (changes its orientation in generation space) with changing scale, one
can reproduce, in terms of only 6 real parameters, all the 16 mass ratios and
mixing parame... | [
{
"created": "Fri, 1 Jun 2012 14:37:26 GMT",
"version": "v1"
}
] | 2015-06-05 | [
[
"Baker",
"Michael J.",
""
],
[
"Bordes",
"J.",
""
],
[
"Chan",
"H. M.",
""
],
[
"Tsou",
"S. T.",
""
]
] | It is shown that if, from the starting point of a universal rank-one mass matrix long favoured by phenomenologists, one adds the assumption that it rotates (changes its orientation in generation space) with changing scale, one can reproduce, in terms of only 6 real parameters, all the 16 mass ratios and mixing paramete... |
2103.15837 | Ziyu Dong | Zi-Yu Dong, Teng Ma and Jing Shu | Constructing on-shell operator basis for all masses and spins | 12 pages | Phys.Rev.D 107 (2023) 11, L111901 | 10.1103/PhysRevD.107.L111901 | null | hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | We first propose a general method to construct the complete set of on-shell
operator bases involving massive particles with any spins. To incorporate the
non-abelian little groups of massive particles, the on-shell scattering
amplitude basis should be factorized into two parts: one is charged, and the
other one is ne... | [
{
"created": "Mon, 29 Mar 2021 18:00:03 GMT",
"version": "v1"
}
] | 2024-06-07 | [
[
"Dong",
"Zi-Yu",
""
],
[
"Ma",
"Teng",
""
],
[
"Shu",
"Jing",
""
]
] | We first propose a general method to construct the complete set of on-shell operator bases involving massive particles with any spins. To incorporate the non-abelian little groups of massive particles, the on-shell scattering amplitude basis should be factorized into two parts: one is charged, and the other one is neut... |
0804.0863 | Scott Watson | Bobby S. Acharya, Piyush Kumar, Konstantin Bobkov, Gordon Kane, Jing
Shao, and Scott Watson | Non-thermal Dark Matter and the Moduli Problem in String Frameworks | 41 pages, 5 figures, references and minor comments added | JHEP 0806:064,2008 | 10.1088/1126-6708/2008/06/064 | null | hep-ph astro-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We address the cosmological moduli/gravitino problems and the issue of too
little thermal but excessive non-thermal dark matter from the decays of moduli.
The main examples we study are the G2-MSSM models arising from M theory
compactifications, which allow for a precise calculation of moduli decay rates
and widths. ... | [
{
"created": "Mon, 7 Apr 2008 16:20:30 GMT",
"version": "v1"
},
{
"created": "Sat, 12 Apr 2008 04:54:17 GMT",
"version": "v2"
}
] | 2009-02-09 | [
[
"Acharya",
"Bobby S.",
""
],
[
"Kumar",
"Piyush",
""
],
[
"Bobkov",
"Konstantin",
""
],
[
"Kane",
"Gordon",
""
],
[
"Shao",
"Jing",
""
],
[
"Watson",
"Scott",
""
]
] | We address the cosmological moduli/gravitino problems and the issue of too little thermal but excessive non-thermal dark matter from the decays of moduli. The main examples we study are the G2-MSSM models arising from M theory compactifications, which allow for a precise calculation of moduli decay rates and widths. We... |
hep-ph/9807402 | Rohini Godbole | R.M. Godbole | Resolved Photon Processes | 16 pages, LaTeX, 7 figures, requires epsfig.sty. Plenary talk
presented at Workshop on High Energy Physics Phenomenology, V, January 12-25,
1998, Pune, India | Pramana 51 (1998) 217-228 | 10.1007/BF02827493 | IISc-CTS/7/98 | hep-ph | null | After giving a very brief introduction to the resolved photon processes, I
will summarise the latest experimental information from HERA, on resolved
photon contribution to large pt jet production as well as to direct photon
production. I will point out the interesting role that resolved photon
processes can play in i... | [
{
"created": "Fri, 17 Jul 1998 10:41:05 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Godbole",
"R. M.",
""
]
] | After giving a very brief introduction to the resolved photon processes, I will summarise the latest experimental information from HERA, on resolved photon contribution to large pt jet production as well as to direct photon production. I will point out the interesting role that resolved photon processes can play in inc... |
1907.05921 | Anton Motornenko | Anton Motornenko, Jan Steinheimer, Volodymyr Vovchenko, Stefan
Schramm, and Horst Stoecker | Matter And Gravitation In Collisions of heavy ions and neutron stars:
equation of state | 16 pages, 10 figures; contribution to the proceedings of the CPOD2018
conference, Corfu Island, Greece, September 24-28, 2018 | null | null | null | hep-ph astro-ph.HE nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The gravitational waves emitted from a binary neutron star merger, as
predicted from general relativistic magneto-hydrodynamics calculations, are
sensitive to the appearance of quark matter and the stiffness of the equation
of state of QCD matter present in the inner cores of the stars. This is a new
messenger observ... | [
{
"created": "Fri, 12 Jul 2019 18:55:09 GMT",
"version": "v1"
}
] | 2019-07-16 | [
[
"Motornenko",
"Anton",
""
],
[
"Steinheimer",
"Jan",
""
],
[
"Vovchenko",
"Volodymyr",
""
],
[
"Schramm",
"Stefan",
""
],
[
"Stoecker",
"Horst",
""
]
] | The gravitational waves emitted from a binary neutron star merger, as predicted from general relativistic magneto-hydrodynamics calculations, are sensitive to the appearance of quark matter and the stiffness of the equation of state of QCD matter present in the inner cores of the stars. This is a new messenger observab... |
2306.16523 | Jochem Kip | Wim Beenakker, Sascha Caron, Jochem Kip, Roberto Ruiz de Austri,
Zhongyi Zhang | New energy spectra in neutrino and photon detectors to reveal hidden
dark matter signals | 7 pages, 2 figures | Journal of High Energy Physics 2023 (2023) 28 | 10.1007/JHEP11(2023)028 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Neutral particles capable of travelling cosmic distances from a source to
detectors on Earth are limited to photons and neutrinos. Examination of the
Dark Matter annihilation/decay spectra for these particles reveals the presence
of continuum spectra (e.g. due to fragmentation and W or Z decay) and peaks
(due to dire... | [
{
"created": "Wed, 28 Jun 2023 19:38:34 GMT",
"version": "v1"
},
{
"created": "Tue, 19 Sep 2023 12:04:53 GMT",
"version": "v2"
},
{
"created": "Mon, 16 Oct 2023 13:14:40 GMT",
"version": "v3"
}
] | 2023-11-21 | [
[
"Beenakker",
"Wim",
""
],
[
"Caron",
"Sascha",
""
],
[
"Kip",
"Jochem",
""
],
[
"de Austri",
"Roberto Ruiz",
""
],
[
"Zhang",
"Zhongyi",
""
]
] | Neutral particles capable of travelling cosmic distances from a source to detectors on Earth are limited to photons and neutrinos. Examination of the Dark Matter annihilation/decay spectra for these particles reveals the presence of continuum spectra (e.g. due to fragmentation and W or Z decay) and peaks (due to direct... |
hep-ph/0108117 | Seong-Youl Choi | S.Y. Choi (Chonbuk National University), J. Kalinowski (Warsaw
University), G. Moortgat-Pick (DESY) and P.M. Zerwas (DESY) | Analysis of the Neutralino System in Supersymmetric Theories | 36 pages, Latex file and 9 eps figures | Eur.Phys.J.C22:563-579,2001; Addendum-ibid.C23:769-772,2002 | 10.1007/s100520100808 | null | hep-ph hep-ex hep-th | null | Charginos $\tilde{\chi}^\pm$ and neutralinos $\tilde{\chi}^0$ in
supersymmetric theories can be produced copiously at $e^+e^-$ colliders and
their properties can be measured with high accuracy. Consecutively to the
chargino system, in which the SU(2) gaugino parameter $M_2$, the higgsino mass
parameter $\mu$ and $\ta... | [
{
"created": "Tue, 14 Aug 2001 13:08:46 GMT",
"version": "v1"
}
] | 2011-09-13 | [
[
"Choi",
"S. Y.",
"",
"Chonbuk National University"
],
[
"Kalinowski",
"J.",
"",
"Warsaw\n University"
],
[
"Moortgat-Pick",
"G.",
"",
"DESY"
],
[
"Zerwas",
"P. M.",
"",
"DESY"
]
] | Charginos $\tilde{\chi}^\pm$ and neutralinos $\tilde{\chi}^0$ in supersymmetric theories can be produced copiously at $e^+e^-$ colliders and their properties can be measured with high accuracy. Consecutively to the chargino system, in which the SU(2) gaugino parameter $M_2$, the higgsino mass parameter $\mu$ and $\tan\... |
hep-ph/0210152 | Rogerio Rosenfeld | A. H. Campos, H. C. Reis and R. Rosenfeld | Preheating in Quintessential Inflation | 4 pages, 4 figures | Phys.Lett.B575:151-156,2003 | 10.1016/j.physletb.2003.09.064 | null | hep-ph | null | We perform a numerical study of the preheating mechanism of particle
production in models of quintessential inflation and compare it with the usual
gravitational production mechanism. We find that even for a very small coupling
between the inflaton field and a massless scalar field, g > 10^{-9}, preheating
dominates ... | [
{
"created": "Wed, 9 Oct 2002 20:14:15 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Campos",
"A. H.",
""
],
[
"Reis",
"H. C.",
""
],
[
"Rosenfeld",
"R.",
""
]
] | We perform a numerical study of the preheating mechanism of particle production in models of quintessential inflation and compare it with the usual gravitational production mechanism. We find that even for a very small coupling between the inflaton field and a massless scalar field, g > 10^{-9}, preheating dominates ov... |
hep-ph/0105028 | Jae Hyun Park | S. Baek, J.-H. Jang, P. Ko, J. H. Park | Gluino-squark contributions to CP violations in the kaon system | 29 pages, 6 figures, 1 table; typos and references corrected; version
to appear in NPB | Nucl.Phys.B609:442-468,2001 | 10.1016/S0550-3213(01)00312-1 | KAIST-TH 2001/06 | hep-ph | null | Recently it was shown, within the mass insertion approximation (MIA), that
the gluino mediated flavor changing neutral current (FCNC) interactions can
saturate both epsilon_K and Re(epsilon'/epsilon_K) even for the real
Cabibbo-Kobayashi-Maskawa (CKM) matrix through a single CP violating parameter
(delta^d_12)_LL. In... | [
{
"created": "Thu, 3 May 2001 13:23:31 GMT",
"version": "v1"
},
{
"created": "Sat, 21 Jul 2001 11:56:01 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Baek",
"S.",
""
],
[
"Jang",
"J. -H.",
""
],
[
"Ko",
"P.",
""
],
[
"Park",
"J. H.",
""
]
] | Recently it was shown, within the mass insertion approximation (MIA), that the gluino mediated flavor changing neutral current (FCNC) interactions can saturate both epsilon_K and Re(epsilon'/epsilon_K) even for the real Cabibbo-Kobayashi-Maskawa (CKM) matrix through a single CP violating parameter (delta^d_12)_LL. In t... |
2011.05993 | Manuel A. Buen-Abad | Manuel A. Buen-Abad, JiJi Fan, Chen Sun | Constraints on Axions from Cosmic Distance Measurements | Version accepted for publication. 21 pages + appendix and references;
5 figures | null | null | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Axion couplings to photons could induce photon-axion conversion in the
presence of magnetic fields in the Universe. This conversion could impact
various cosmic distance measurements, such as luminosity distances to type Ia
supernovae and angular distances to galaxy clusters, in different ways. In this
paper we consid... | [
{
"created": "Wed, 11 Nov 2020 19:00:00 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Dec 2020 15:40:10 GMT",
"version": "v2"
},
{
"created": "Tue, 15 Feb 2022 17:21:10 GMT",
"version": "v3"
}
] | 2022-02-16 | [
[
"Buen-Abad",
"Manuel A.",
""
],
[
"Fan",
"JiJi",
""
],
[
"Sun",
"Chen",
""
]
] | Axion couplings to photons could induce photon-axion conversion in the presence of magnetic fields in the Universe. This conversion could impact various cosmic distance measurements, such as luminosity distances to type Ia supernovae and angular distances to galaxy clusters, in different ways. In this paper we consider... |
hep-ph/9603343 | Rogerio Rosenfeld | S.M. Lietti, S.F. Novaes and R. Rosenfeld (IFT) | Anomalous Higgs Boson Contribution to e^+ e^- \to b \bbar \gamma at LEP2 | 12 pages, RevTex, 4 figures included | Phys.Rev. D54 (1996) 3266-3270 | 10.1103/PhysRevD.54.3266 | IFT--P.008/96 | hep-ph | null | We study the effect of anomalous $H\gamma\gamma$ and $HZ\gamma$ couplings,
described by a general effective Lagrangian, on the process $e^+ e^- \to b
\bar{b} \gamma $ at LEP2 energies. We include the relevant irreducible standard
model background to this process, and from the photon energy spectrum, we
determine the ... | [
{
"created": "Tue, 19 Mar 1996 15:18:53 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Lietti",
"S. M.",
"",
"IFT"
],
[
"Novaes",
"S. F.",
"",
"IFT"
],
[
"Rosenfeld",
"R.",
"",
"IFT"
]
] | We study the effect of anomalous $H\gamma\gamma$ and $HZ\gamma$ couplings, described by a general effective Lagrangian, on the process $e^+ e^- \to b \bar{b} \gamma $ at LEP2 energies. We include the relevant irreducible standard model background to this process, and from the photon energy spectrum, we determine the re... |
1008.1279 | Don Colladay | Don Colladay and Patrick McDonald | Lorentz Violation and Extended Supersymmetry | Presented at the Fifth Meeting on CPT and Lorentz Symmetry,
Bloomington, Indiana, June 28-July 2, 2010 | null | 10.1142/9789814327688_0046 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct a collection of Lorentz violating Yang-Mills theories exhibiting
supersymmetry.
| [
{
"created": "Fri, 6 Aug 2010 21:32:43 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Colladay",
"Don",
""
],
[
"McDonald",
"Patrick",
""
]
] | We construct a collection of Lorentz violating Yang-Mills theories exhibiting supersymmetry. |
2107.04216 | Sandra Robles | Nicole F. Bell, Matthew J. Dolan, Sandra Robles | Searching for Dark Matter in the Sun using Hyper-Kamiokande | 23 pages, 11 figures, 2 tables. Discussion extended, references
added, matches published version | JCAP 11 (2021) 004 | 10.1088/1475-7516/2021/11/004 | null | hep-ph astro-ph.CO astro-ph.SR hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the ability of the Hyper-Kamiokande (HyperK) experiment, currently
under construction, to constrain a neutrino signal produced via the
annihilation of dark matter captured in the Sun. We simulate upward stopping
and upward through-going muon events at HyperK, using Super-Kamiokande (SuperK)
atmospheric neutr... | [
{
"created": "Fri, 9 Jul 2021 05:33:41 GMT",
"version": "v1"
},
{
"created": "Fri, 5 Nov 2021 11:36:06 GMT",
"version": "v2"
}
] | 2021-11-08 | [
[
"Bell",
"Nicole F.",
""
],
[
"Dolan",
"Matthew J.",
""
],
[
"Robles",
"Sandra",
""
]
] | We study the ability of the Hyper-Kamiokande (HyperK) experiment, currently under construction, to constrain a neutrino signal produced via the annihilation of dark matter captured in the Sun. We simulate upward stopping and upward through-going muon events at HyperK, using Super-Kamiokande (SuperK) atmospheric neutrin... |
hep-ph/0611365 | Azad Inshalla Ahmedov | A.I.Ahmadov (1 and 2), I.Boztosun (3), A.Soylu (3), and E.A.Dadashov
(2), ((1) Physikalisches Institut, Universitat Bonn, Germany; (2) Institute
for Physical Problems, Baku State University, Azerbaijan; (3) Department of
Physics, Faculty of Arts and Sciences, Erciyes University, Kayseri, Turkey) | Higher Twist Effects in Photon-Photon Collisions | REVTEX4, 23 pages, 7 figures | Int.J.Mod.Phys.E17:1041-1059,2008 | 10.1142/S0218301308010325 | null | hep-ph | null | In this article, we investigate the contribution of the high twist Feynman
diagrams to the large $p_{T}$ single pseudoscalar and vector mesons inclusive
production cross section in two-photon collisions and we present the general
formulae for the high and leading twist differential cross sections. The pion
wave funct... | [
{
"created": "Wed, 29 Nov 2006 09:52:27 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Ahmadov",
"A. I.",
"",
"1 and 2"
],
[
"Boztosun",
"I.",
""
],
[
"Soylu",
"A.",
""
],
[
"Dadashov",
"E. A.",
""
]
] | In this article, we investigate the contribution of the high twist Feynman diagrams to the large $p_{T}$ single pseudoscalar and vector mesons inclusive production cross section in two-photon collisions and we present the general formulae for the high and leading twist differential cross sections. The pion wave functio... |
2107.05271 | Hua-Xing Chen | Hua-Xing Chen, Wei Chen and Shi-Lin Zhu | Two- and three-gluon glueballs of $C=+$ | 10 pages, 4 figures, 2 tables, revised version to be published in
PRD. arXiv admin note: text overlap with arXiv:2103.17201 | Phys. Rev. D 104, 094050 (2021) | 10.1103/PhysRevD.104.094050 | null | hep-ph hep-ex hep-lat | http://creativecommons.org/licenses/by/4.0/ | We study two- and three-gluon glueballs of $C=+$ using the method of QCD sum
rules. We systematically construct their interpolating currents, and find that
all the spin-1 currents of $C=+$ vanish. This suggests that the
``ground-state'' spin-1 glueballs of $C=+$ do not exist within the relativistic
framework. We calc... | [
{
"created": "Mon, 12 Jul 2021 09:08:46 GMT",
"version": "v1"
},
{
"created": "Sat, 6 Nov 2021 04:06:49 GMT",
"version": "v2"
}
] | 2022-03-07 | [
[
"Chen",
"Hua-Xing",
""
],
[
"Chen",
"Wei",
""
],
[
"Zhu",
"Shi-Lin",
""
]
] | We study two- and three-gluon glueballs of $C=+$ using the method of QCD sum rules. We systematically construct their interpolating currents, and find that all the spin-1 currents of $C=+$ vanish. This suggests that the ``ground-state'' spin-1 glueballs of $C=+$ do not exist within the relativistic framework. We calcul... |
hep-ph/9806405 | Lisa L. Everett | Lisa Everett (Penn U.) | Three-Family Perturbative String Vacua: Flat Directions and Effective
Couplings | 4 pp., Talk given at the 6th International Symposium on Particles,
Strings, and Cosmology (PASCOS 98), Boston, MA, March 1998 | null | null | UPR-0812-T | hep-ph | null | The properties of a class of quasi-realistic three-family perturbative
heterotic string vacua are addressed. String models in this class generically
contain an anomalous U(1), such that the nonzero Fayet-Iliopoulos term triggers
certain fields to acquire string scale VEV's along flat directions. This vacuum
shift red... | [
{
"created": "Thu, 18 Jun 1998 13:54:06 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Everett",
"Lisa",
"",
"Penn U."
]
] | The properties of a class of quasi-realistic three-family perturbative heterotic string vacua are addressed. String models in this class generically contain an anomalous U(1), such that the nonzero Fayet-Iliopoulos term triggers certain fields to acquire string scale VEV's along flat directions. This vacuum shift reduc... |
hep-ph/0107086 | Arnd Brandenburg | W. Bernreuther, A. Brandenburg, Z.G. Si, P. Uwer | Top quark spin correlations at hadron colliders: Predictions at
next-to-leading order QCD | 9 pages, 2 figures | Phys.Rev.Lett. 87 (2001) 242002 | 10.1103/PhysRevLett.87.242002 | DESY 01-085, PITHA 01/06, TTP01-16 | hep-ph | null | The collider experiments at the Tevatron and the LHC will allow for detailed
investigations of the properties of the top quark. This requires precise
predictions of the hadronic production of $t\bar t$ pairs and of their
subsequent decays. In this Letter we present for the reactions $p {\bar p}, p p
\to t{\bar t} + X... | [
{
"created": "Mon, 9 Jul 2001 16:53:49 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Bernreuther",
"W.",
""
],
[
"Brandenburg",
"A.",
""
],
[
"Si",
"Z. G.",
""
],
[
"Uwer",
"P.",
""
]
] | The collider experiments at the Tevatron and the LHC will allow for detailed investigations of the properties of the top quark. This requires precise predictions of the hadronic production of $t\bar t$ pairs and of their subsequent decays. In this Letter we present for the reactions $p {\bar p}, p p \to t{\bar t} + X \... |
hep-ph/0404065 | Hee-Jung Lee | N.I. Kochelev, H.-J. Lee, V. Vento | Instanton induced quark dynamics and the pentaquark | 14 pages, 2 figures; added references, corrected typos | Phys.Lett. B594 (2004) 87-96 | 10.1016/j.physletb.2004.05.011 | FTUV-04-0407, IFIC-04-27 | hep-ph | null | We analyze the existence of the exotic $\Theta^+$ from the perspective of
instanton induced quark dynamics. The 't Hooft interaction gives strong
attraction in specific channels of the triquark $ud\bar s$ and diquark $ud$
configurations. In particular it leads to a light $ud\bar s$ triquark cluster,
with the mass aro... | [
{
"created": "Wed, 7 Apr 2004 17:05:36 GMT",
"version": "v1"
},
{
"created": "Thu, 15 Apr 2004 10:09:06 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Kochelev",
"N. I.",
""
],
[
"Lee",
"H. -J.",
""
],
[
"Vento",
"V.",
""
]
] | We analyze the existence of the exotic $\Theta^+$ from the perspective of instanton induced quark dynamics. The 't Hooft interaction gives strong attraction in specific channels of the triquark $ud\bar s$ and diquark $ud$ configurations. In particular it leads to a light $ud\bar s$ triquark cluster, with the mass aroun... |
2110.09876 | Stefano Gariazzo | Stefano Gariazzo | Light Sterile Neutrinos | 8 pages. Proceedings for the "17th International Conference on Topics
in Astroparticle and Underground Physics (TAUP)" | null | 10.1088/1742-6596/2156/1/012003 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the status of light sterile neutrino searches, motivated by the
original Short BaseLine (SBL) anomalies. Here, we discuss how sterile neutrino
properties can be constrained by different types of neutrino oscillation
experiments (considering appearance or disappearance probes in different
oscillation channel... | [
{
"created": "Tue, 19 Oct 2021 11:52:27 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Oct 2021 08:44:09 GMT",
"version": "v2"
}
] | 2022-03-02 | [
[
"Gariazzo",
"Stefano",
""
]
] | We review the status of light sterile neutrino searches, motivated by the original Short BaseLine (SBL) anomalies. Here, we discuss how sterile neutrino properties can be constrained by different types of neutrino oscillation experiments (considering appearance or disappearance probes in different oscillation channels)... |
2111.06065 | Aqeel Ahmed | Aqeel Ahmed, Bohdan Grzadkowski, Anna Socha | Implications of time-dependent inflaton decay on reheating and dark
matter production | v2: 8 pages and 2 figures; improved discussion on inflaton-induced
gravitational production of dark matter; matches the published version | null | 10.1016/j.physletb.2022.137201 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We discuss the production of radiation and dark matter assuming a
time-dependent inflaton decay rate during the reheating period. It is shown
that the time dependence of the inflaton decay rate can substantially modify
the reheating dynamics. As an illustration, a leading interaction between the
inflaton $\phi$ and t... | [
{
"created": "Thu, 11 Nov 2021 06:07:52 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Jul 2022 06:18:10 GMT",
"version": "v2"
}
] | 2022-07-29 | [
[
"Ahmed",
"Aqeel",
""
],
[
"Grzadkowski",
"Bohdan",
""
],
[
"Socha",
"Anna",
""
]
] | We discuss the production of radiation and dark matter assuming a time-dependent inflaton decay rate during the reheating period. It is shown that the time dependence of the inflaton decay rate can substantially modify the reheating dynamics. As an illustration, a leading interaction between the inflaton $\phi$ and the... |
0903.2562 | Shao-Long Chen | Shao-Long Chen, Rabindra N. Mohapatra, Shmuel Nussinov and Yue Zhang | R-Parity Breaking via Type II Seesaw, Decaying Gravitino Dark Matter and
PAMELA Positron Excess | 13 pages, 6 figures; accepted for publication in PLB | Phys.Lett.B677:311-317,2009 | 10.1016/j.physletb.2009.05.051 | null | hep-ph astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a new class of R-parity violating extension of MSSM with type II
seesaw mechanism for neutrino masses where an unstable gravitino is the dark
matter of the Universe. It decays predominantly into three leptons final
states, thereby providing a natural explanation of the positron excess but no
antiproton exc... | [
{
"created": "Sat, 14 Mar 2009 17:46:04 GMT",
"version": "v1"
},
{
"created": "Thu, 26 Mar 2009 00:54:40 GMT",
"version": "v2"
},
{
"created": "Thu, 21 May 2009 01:22:15 GMT",
"version": "v3"
}
] | 2014-11-18 | [
[
"Chen",
"Shao-Long",
""
],
[
"Mohapatra",
"Rabindra N.",
""
],
[
"Nussinov",
"Shmuel",
""
],
[
"Zhang",
"Yue",
""
]
] | We propose a new class of R-parity violating extension of MSSM with type II seesaw mechanism for neutrino masses where an unstable gravitino is the dark matter of the Universe. It decays predominantly into three leptons final states, thereby providing a natural explanation of the positron excess but no antiproton exces... |
1008.1404 | Wolfgang Lucha | Wolfgang Lucha | Bethe-Salpeter Equations with Instantaneous Confinement: Establishing
Stability of Bound States | 6 pages, contributed to QCD@Work 2010 - International Workshop on
Quantum Chromodynamics: Theory and Experiment (20 - 23 June 2010, Martina
Franca, Valle d'Itria, Italy), to appear in the proceedings | AIP Conf.Proc.1317:122-127,2011 | 10.1063/1.3536544 | HEPHY-PUB 885/10 | hep-ph hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Salpeter equations with potential functions rising to infinity in
configuration space do not automatically predict stable bound states. For this
to happen, also the Lorentz behaviour of the involved Bethe-Salpeter kernels is
crucial. At least for interaction potentials of harmonic-oscillator form
analytic scrutinies ... | [
{
"created": "Sun, 8 Aug 2010 13:18:38 GMT",
"version": "v1"
}
] | 2011-02-01 | [
[
"Lucha",
"Wolfgang",
""
]
] | Salpeter equations with potential functions rising to infinity in configuration space do not automatically predict stable bound states. For this to happen, also the Lorentz behaviour of the involved Bethe-Salpeter kernels is crucial. At least for interaction potentials of harmonic-oscillator form analytic scrutinies of... |
1409.0750 | Vo Quoc Phong | Vo Quoc Phong, Hoang Ngoc Long, Vo Thanh Van, Le Hoang Minh | Electroweak phase transition in the economical 3-3-1 model | 17 pages, 9 figures | Eur. Phys. J. C (2015) 75:342 | 10.1140/epjc/s10052-015-3550-2 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the EWPT in the economical 3-3-1 (E331) model. Our analysis shows
that the EWPT in the model is a sequence of two first-order phase transitions,
$SU(3) \rightarrow SU(2)$ at the TeV scale and $SU(2) \rightarrow U(1)$ at the
$100$ GeV scale. The EWPT $SU(3) \rightarrow SU(2)$ is triggered by the new
bosons... | [
{
"created": "Tue, 2 Sep 2014 15:20:16 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Oct 2014 16:33:42 GMT",
"version": "v2"
},
{
"created": "Tue, 25 Nov 2014 16:00:30 GMT",
"version": "v3"
},
{
"created": "Wed, 8 Apr 2015 05:05:16 GMT",
"version": "v4"
},
{
"cre... | 2015-07-27 | [
[
"Phong",
"Vo Quoc",
""
],
[
"Long",
"Hoang Ngoc",
""
],
[
"Van",
"Vo Thanh",
""
],
[
"Minh",
"Le Hoang",
""
]
] | We consider the EWPT in the economical 3-3-1 (E331) model. Our analysis shows that the EWPT in the model is a sequence of two first-order phase transitions, $SU(3) \rightarrow SU(2)$ at the TeV scale and $SU(2) \rightarrow U(1)$ at the $100$ GeV scale. The EWPT $SU(3) \rightarrow SU(2)$ is triggered by the new bosons a... |
1110.2378 | Berndt Muller | Berndt M\"uller and Andreas Sch\"afer | Entropy Creation in Relativistic Heavy Ion Collisions | 34 pages, 14 figures | null | 10.1142/S0218301311020459 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review current ideas on entropy production during the different stages of
a relativistic nuclear collision. This includes recent results on decoherence
entropy and the entropy produced during the hydrodynamic phase by viscous
effects. We start by a discussion of decoherence caused by gluon bremsstrahlung
in the ve... | [
{
"created": "Tue, 11 Oct 2011 13:52:19 GMT",
"version": "v1"
}
] | 2015-05-30 | [
[
"Müller",
"Berndt",
""
],
[
"Schäfer",
"Andreas",
""
]
] | We review current ideas on entropy production during the different stages of a relativistic nuclear collision. This includes recent results on decoherence entropy and the entropy produced during the hydrodynamic phase by viscous effects. We start by a discussion of decoherence caused by gluon bremsstrahlung in the very... |
hep-ph/0005027 | null | Howard Baer, Michal Brhlik, Marco A. Diaz, Javier Ferrandis, Pedro
Mercadante, Pam Quintana and Xerxes Tata | Yukawa Unified Supersymmetric SO(10) Model: Cosmology, Rare Decays and
Collider Searches | Added comparison to Blazek/Raby results and added Comments on de Boer
et al. b->s gamma results | Phys.Rev.D63:015007,2000 | 10.1103/PhysRevD.63.015007 | FSU-HEP-000216, UCCHEP/12-00, IFIC/00-18, FTUV/000504, UH-511-963-00 | hep-ph | null | It has recently been pointed out that viable sparticle mass spectra can be
generated in Yukawa unified SO(10) supersymmetric grand unified models
consistent with radiative breaking of electroweak symmetry. Model solutions are
obtained only if $\tan\beta \sim 50$, $\mu <0$ and positive $D$-term
contributions to scalar... | [
{
"created": "Wed, 3 May 2000 19:52:27 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Aug 2000 20:07:12 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Baer",
"Howard",
""
],
[
"Brhlik",
"Michal",
""
],
[
"Diaz",
"Marco A.",
""
],
[
"Ferrandis",
"Javier",
""
],
[
"Mercadante",
"Pedro",
""
],
[
"Quintana",
"Pam",
""
],
[
"Tata",
"Xerxes",
""
]
] | It has recently been pointed out that viable sparticle mass spectra can be generated in Yukawa unified SO(10) supersymmetric grand unified models consistent with radiative breaking of electroweak symmetry. Model solutions are obtained only if $\tan\beta \sim 50$, $\mu <0$ and positive $D$-term contributions to scalar m... |
hep-ph/0702035 | Philippe Crochet | G.Martinez-Garcia, S.Gadrat and P.Crochet | A new contribution to the nuclear modification factor of non-photonic
electrons in Au+Au collisions at sqrt(s) = 200 GeV | 14 pages, 3 figures | null | null | null | hep-ph nucl-ex | null | We investigate the effect of the so-called anomalous baryon/meson enhancement
to the nuclear modification factor of non-photonic electrons in Au+Au
collisions at sqrt(s) = 200 GeV. It is demonstrated that an enhancement of the
charm baryon/meson ratio, as it is observed for non-strange and strange
hadrons, can be res... | [
{
"created": "Fri, 2 Feb 2007 17:37:29 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Feb 2007 18:47:14 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Martinez-Garcia",
"G.",
""
],
[
"Gadrat",
"S.",
""
],
[
"Crochet",
"P.",
""
]
] | We investigate the effect of the so-called anomalous baryon/meson enhancement to the nuclear modification factor of non-photonic electrons in Au+Au collisions at sqrt(s) = 200 GeV. It is demonstrated that an enhancement of the charm baryon/meson ratio, as it is observed for non-strange and strange hadrons, can be respo... |
hep-ph/9608412 | Wieslaw Placzek | S. Jadach (1 and 2), W. Placzek (3), B. F. L. Ward (3 and 4 and 2)
((1) Institute of Nuclear Physics, Cracow, Poland, (2) CERN, Theory Division,
Geneva, Switzerland, (3) The University of Tennessee, Knoxville, Tennessee,
USA, (4) SLAC, Stanford University, Stanford, California, USA) | BHWIDE 1.00: O(alpha) YFS Exponentiated Monte Carlo for Bhabha
Scattering at Wide Angles for LEP1/SLC and LEP2 | LaTeX, 14 pages, 3 Postscript figures, References in a .bbl file,
Submitted to Physics Letters | Phys.Lett. B390 (1997) 298-308 | 10.1016/S0370-2693(96)01382-2 | UTHEP-95-1001 | hep-ph | null | We present O(alpha) YFS exponentiated results for wide angle Bhabha
scattering at LEP/SLC energies using a new Monte Carlo event generator BHWIDE
1.xx. Our calculations include two options for the pure weak corrections, as
presented in Beenakker et al. and in Bohm et al. From comparison with the
results of Beenakker ... | [
{
"created": "Thu, 22 Aug 1996 20:11:40 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Jadach",
"S.",
"",
"1 and 2"
],
[
"Placzek",
"W.",
"",
"3 and 4 and 2"
],
[
"Ward",
"B. F. L.",
"",
"3 and 4 and 2"
]
] | We present O(alpha) YFS exponentiated results for wide angle Bhabha scattering at LEP/SLC energies using a new Monte Carlo event generator BHWIDE 1.xx. Our calculations include two options for the pure weak corrections, as presented in Beenakker et al. and in Bohm et al. From comparison with the results of Beenakker et... |
hep-ph/9703262 | Nils A. Tornqvist | Nils A. Tornqvist (University of Helsinki) | Gluons as Goldstone Bosons when Flavor Symmetry is Broken Spontaneously | 10 pages, RevTeX, 2 Figures | null | null | null | hep-ph nucl-th | null | The mechanism where flavor symmetry is broken spontaneously is discussed
within a scalar QCD model with effective three-meson couplings. For
sufficiently large coupling the model is unstable with respect to quantum loops
from mesonic vacuum polarization. It is argued that color and gluons naturally
can account for th... | [
{
"created": "Fri, 7 Mar 1997 09:34:40 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Tornqvist",
"Nils A.",
"",
"University of Helsinki"
]
] | The mechanism where flavor symmetry is broken spontaneously is discussed within a scalar QCD model with effective three-meson couplings. For sufficiently large coupling the model is unstable with respect to quantum loops from mesonic vacuum polarization. It is argued that color and gluons naturally can account for the ... |
1505.00917 | Bernard Pire | B. Pire, L. Szymanowski | Neutrino-production of a charmed meson and the transverse spin structure
of the nucleon | 5 pages, 1 figure. Version 2 adds a few clarifications and
references. As published in Physical Review Letters 115, 092001 (2015) | Phys. Rev. Lett. 115, 092001 (2015) | 10.1103/PhysRevLett.115.092001 | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the amplitude for exclusive neutrino production of a charmed
meson on an unpolarized target, in the colinear QCD approach where generalized
parton distributions (GPDs) factorize from perturbatively calculable
coefficient functions. We demonstrate that the transversity chiral odd GPDs
contribute to the tr... | [
{
"created": "Tue, 5 May 2015 08:41:35 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Aug 2015 10:06:19 GMT",
"version": "v2"
}
] | 2015-09-02 | [
[
"Pire",
"B.",
""
],
[
"Szymanowski",
"L.",
""
]
] | We calculate the amplitude for exclusive neutrino production of a charmed meson on an unpolarized target, in the colinear QCD approach where generalized parton distributions (GPDs) factorize from perturbatively calculable coefficient functions. We demonstrate that the transversity chiral odd GPDs contribute to the tran... |
hep-ph/9909383 | Ester Ruiz Morales | E. Ruiz Morales, M. E. Peskin | Probing Strong Electroweak Symmetry Breaking in W+ W- -> t \bar t | 6 pages, LaTeX + 1 eps figure, one reference added, to appear in the
Proceedings of the International Workshop on Linear Colliders, Sitges,
Barcelona, Spain, 28 April - 5 May, 1999 | null | null | FTUAM-99-23, SLAC-PUB-8251 | hep-ph | null | We study the process $W^+ W^- \to t \bar t$ in several models of strong
interaction electroweak symmetry breaking. We calculate the signals that can be
expected by observing the reaction $e^+ e^- \to \nu \bar\nu t \bar t$ at an
$e^+ e^-$ linear collider with 1.5 TeV center of mass energy. We also discuss
how the lowe... | [
{
"created": "Wed, 15 Sep 1999 15:41:41 GMT",
"version": "v1"
},
{
"created": "Tue, 21 Sep 1999 09:33:26 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Morales",
"E. Ruiz",
""
],
[
"Peskin",
"M. E.",
""
]
] | We study the process $W^+ W^- \to t \bar t$ in several models of strong interaction electroweak symmetry breaking. We calculate the signals that can be expected by observing the reaction $e^+ e^- \to \nu \bar\nu t \bar t$ at an $e^+ e^-$ linear collider with 1.5 TeV center of mass energy. We also discuss how the lowest... |
1402.1181 | Miguel Nebot | F. J. Botella, G. C. Branco, M. Nebot, A. Sanchez | Mixing asymmetries in B meson systems, the D0 like-sign dimuon asymmetry
and generic New Physics | 17 pages, 10 figures, 1 table. Improved sections 2 and 3, updated
results, conclusions unchanged | Phys. Rev. D 91, 035013 (2015) | 10.1103/PhysRevD.91.035013 | IFIC/14-04,CFTP/14-005 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The measurement of a large like-sign dimuon asymmetry $A^b_{SL}$ by the D0
experiment at the Tevatron departs noticeably from Standard Model expectations
and it may be interpreted as a hint of physics beyond the Standard Model
contributing to $\Delta B\neq 0$ transitions. In this work we analyse how the
natural suppr... | [
{
"created": "Wed, 5 Feb 2014 21:10:27 GMT",
"version": "v1"
},
{
"created": "Tue, 28 Oct 2014 19:21:32 GMT",
"version": "v2"
}
] | 2015-03-05 | [
[
"Botella",
"F. J.",
""
],
[
"Branco",
"G. C.",
""
],
[
"Nebot",
"M.",
""
],
[
"Sanchez",
"A.",
""
]
] | The measurement of a large like-sign dimuon asymmetry $A^b_{SL}$ by the D0 experiment at the Tevatron departs noticeably from Standard Model expectations and it may be interpreted as a hint of physics beyond the Standard Model contributing to $\Delta B\neq 0$ transitions. In this work we analyse how the natural suppres... |
hep-ph/9602434 | Roberto Fiore | R. Fiore, L.L. Jenkovszky, F. Paccanoni | Non-Linear Pomeron Trajectory in Diffractive Deep Inelastic Scattering | 16 pages, Latex + 3 figures, postscript | Phys.Rev.D54:6651-6657,1996 | 10.1103/PhysRevD.54.6651 | DFPD 96/TH 11 - CS-TH 2/96 | hep-ph | null | Recent experimental data on diffractive deep inelastic scattering collected
by the H1 and ZEUS Collaborations at HERA are analysed in a model with a
non-linear trajectory in the pomeron flux. The $t$ dependence of the
diffractive structure function $F_2^{D(4)}$ is predicted. The normalization of
the pomeron flux and ... | [
{
"created": "Thu, 29 Feb 1996 16:31:01 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Fiore",
"R.",
""
],
[
"Jenkovszky",
"L. L.",
""
],
[
"Paccanoni",
"F.",
""
]
] | Recent experimental data on diffractive deep inelastic scattering collected by the H1 and ZEUS Collaborations at HERA are analysed in a model with a non-linear trajectory in the pomeron flux. The $t$ dependence of the diffractive structure function $F_2^{D(4)}$ is predicted. The normalization of the pomeron flux and th... |
1711.04288 | Kazem Azizi | K. Azizi, J. Y. Sungu | On the mass and decay constant of the P-wave ground and radially excited
$h_{c}$ and $h_{b}$ axial-vector mesons | 10 Pages, 4 Figures and 4 Tables | null | null | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The mass and decay constant of the heavy quarkonia $h_{Q}(1P)$ and
$h_{Q}(2P)$ (Q = b, c) with quantum numbers $J^{PC} =1^{+-}$ are calculated in
the framework of the two-point QCD sum rule method by taking into account the
vacuum condensates up to eight dimensions. We compare our results for
parameters of the $h_{b}... | [
{
"created": "Sun, 12 Nov 2017 13:09:21 GMT",
"version": "v1"
},
{
"created": "Tue, 23 Oct 2018 07:15:29 GMT",
"version": "v2"
},
{
"created": "Tue, 29 Jan 2019 08:44:35 GMT",
"version": "v3"
}
] | 2019-01-30 | [
[
"Azizi",
"K.",
""
],
[
"Sungu",
"J. Y.",
""
]
] | The mass and decay constant of the heavy quarkonia $h_{Q}(1P)$ and $h_{Q}(2P)$ (Q = b, c) with quantum numbers $J^{PC} =1^{+-}$ are calculated in the framework of the two-point QCD sum rule method by taking into account the vacuum condensates up to eight dimensions. We compare our results for parameters of the $h_{b}(1... |
hep-ph/9402334 | Alex Pomarol | Alex Pomarol | Top Radiative Corrections in Non-minimal Standard Models | 9 pages, phyzzx file, UPR-0603T. (a new reference has been added) | Phys.Rev. D50 (1994) 7085 | 10.1103/PhysRevD.50.7085 | null | hep-ph | null | We derive the one-loop effective action induced by a heavy top in models with
an extended Higgs sector. We use the effective action to analyze the top
corrections to the $\rho$ parameter and to the Higgs-gauge boson couplings. We
show that in models with $\rho\not=1$ at tree-level, one does not lose
generally the bou... | [
{
"created": "Mon, 21 Feb 1994 23:51:47 GMT",
"version": "v1"
},
{
"created": "Mon, 7 Mar 1994 20:12:47 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Pomarol",
"Alex",
""
]
] | We derive the one-loop effective action induced by a heavy top in models with an extended Higgs sector. We use the effective action to analyze the top corrections to the $\rho$ parameter and to the Higgs-gauge boson couplings. We show that in models with $\rho\not=1$ at tree-level, one does not lose generally the bound... |
1106.0687 | Patrick Huber | Patrick Huber | On the determination of anti-neutrino spectra from nuclear reactors | 20 pages, 5 figures, 9 tables, added references, version accepted for
publication in Phys. Rev. C. Corrected errors in tab. 1 and eqs. 18 and 19.
Results and conclusion unchanged | Phys.Rev.C84:024617,2011 | 10.1103/PhysRevC.84.024617 | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we study the effect of, well-known, higher order corrections to
the allowed beta decay spectrum on the determination of anti-neutrino spectra
resulting from the decays of fission fragments. In particular, we try to
estimate the associated theory errors and find that induced currents like weak
magnetism ... | [
{
"created": "Fri, 3 Jun 2011 15:29:53 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Jun 2011 18:30:17 GMT",
"version": "v2"
},
{
"created": "Mon, 25 Jul 2011 18:50:12 GMT",
"version": "v3"
},
{
"created": "Tue, 17 Jan 2012 21:06:44 GMT",
"version": "v4"
}
] | 2015-03-19 | [
[
"Huber",
"Patrick",
""
]
] | In this paper we study the effect of, well-known, higher order corrections to the allowed beta decay spectrum on the determination of anti-neutrino spectra resulting from the decays of fission fragments. In particular, we try to estimate the associated theory errors and find that induced currents like weak magnetism ma... |
1807.01709 | Andrzej Buras | Jason Aebischer and Andrzej J. Buras and Jean-Marc Gerard | BSM Hadronic Matrix Elements for $\epsilon'/\epsilon$ and $K\to\pi\pi$
Decays in the Dual QCD Approach | 39 pages, no figures, clarifying comments added, conclusions
unchanged, version to appear in JHEP | null | 10.1007/JHEP02(2019)021 | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate for the first time all four-quark hadronic matrix elements of
local operators possibly contributing to $K\to\pi\pi$ decays and in particular
to the ratio $\epsilon'/\epsilon$ beyond the Standard Model (BSM). To this end
we use the Dual QCD (DQCD) approach. In addition to 7 new mirror operators
obtained f... | [
{
"created": "Wed, 4 Jul 2018 18:00:02 GMT",
"version": "v1"
},
{
"created": "Sun, 15 Jul 2018 07:48:07 GMT",
"version": "v2"
},
{
"created": "Sun, 27 Jan 2019 16:53:15 GMT",
"version": "v3"
}
] | 2019-02-20 | [
[
"Aebischer",
"Jason",
""
],
[
"Buras",
"Andrzej J.",
""
],
[
"Gerard",
"Jean-Marc",
""
]
] | We calculate for the first time all four-quark hadronic matrix elements of local operators possibly contributing to $K\to\pi\pi$ decays and in particular to the ratio $\epsilon'/\epsilon$ beyond the Standard Model (BSM). To this end we use the Dual QCD (DQCD) approach. In addition to 7 new mirror operators obtained fro... |
2004.06839 | Paulo Beggio Cesar | P.C. Beggio and F.R. Coriolano | Energy dependence of the inelasticity in $pp/p\bar{p}$ collisions from
experimental information on charged particle multiplicity distributions | null | null | 10.1140/epjc/s10052-020-7919-5 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The dependence of the inelasticity in terms of the center of mass energy is
studied in the eikonal formalism, which provides connection between elastic and
inelastic channels. Due to the absence of inelasticity experimental datasets,
the present analysis is based on experimental information available on the full
phas... | [
{
"created": "Wed, 15 Apr 2020 00:24:22 GMT",
"version": "v1"
}
] | 2020-06-24 | [
[
"Beggio",
"P. C.",
""
],
[
"Coriolano",
"F. R.",
""
]
] | The dependence of the inelasticity in terms of the center of mass energy is studied in the eikonal formalism, which provides connection between elastic and inelastic channels. Due to the absence of inelasticity experimental datasets, the present analysis is based on experimental information available on the full phase ... |
0803.0131 | Jurgen Berges | J. Berges, A. Rothkopf, J. Schmidt | Non-thermal fixed points: effective weak-coupling for strongly
correlated systems far from equilibrium | 4 pages, 4 figures | Phys.Rev.Lett.101:041603,2008 | 10.1103/PhysRevLett.101.041603 | TKYNT-08-02, DESY 08-020 | hep-ph cond-mat.other hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Strongly correlated systems far from equilibrium can exhibit scaling
solutions with a dynamically generated weak coupling. We show this by
investigating isolated systems described by relativistic quantum field theories
for initial conditions leading to nonequilibrium instabilities, such as
parametric resonance or spi... | [
{
"created": "Mon, 3 Mar 2008 20:14:58 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Berges",
"J.",
""
],
[
"Rothkopf",
"A.",
""
],
[
"Schmidt",
"J.",
""
]
] | Strongly correlated systems far from equilibrium can exhibit scaling solutions with a dynamically generated weak coupling. We show this by investigating isolated systems described by relativistic quantum field theories for initial conditions leading to nonequilibrium instabilities, such as parametric resonance or spino... |
0902.2510 | Kenji Kadota | Kenji Kadota, Keith A. Olive and Liliana Velasco-Sevilla | A Sneutrino NLSP in the $\nu$CMSSM | 16 pages, 5 figures | Phys.Rev.D79:055018,2009 | 10.1103/PhysRevD.79.055018 | MCTP-09-07, FTPI-MINN-09/07, UMN-TH-2737/09 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We extend the constrained minimal supersymmetric model (CMSSM) by adding a
right-handed neutrino superfield ($\nu$CMSSM) which decouples close to the GUT
scale. We study the effects of a right-handed neutrino on the low energy
spectrum and focus on the predictions for dark matter properties. We pay
particular attenti... | [
{
"created": "Sun, 15 Feb 2009 01:45:54 GMT",
"version": "v1"
},
{
"created": "Wed, 18 Feb 2009 03:51:23 GMT",
"version": "v2"
},
{
"created": "Sat, 21 Mar 2009 00:37:44 GMT",
"version": "v3"
}
] | 2010-04-21 | [
[
"Kadota",
"Kenji",
""
],
[
"Olive",
"Keith A.",
""
],
[
"Velasco-Sevilla",
"Liliana",
""
]
] | We extend the constrained minimal supersymmetric model (CMSSM) by adding a right-handed neutrino superfield ($\nu$CMSSM) which decouples close to the GUT scale. We study the effects of a right-handed neutrino on the low energy spectrum and focus on the predictions for dark matter properties. We pay particular attention... |
2208.09090 | Eligio Cruz-Albaro | E. Cruz-Albaro, A. Guti\'errez-Rodr\'iguez, J. I. Aranda and F.
Ram\'irez-Zavaleta | Research on the electromagnetic and weak dipole moments of the
tau-lepton at the Bestest Little Higgs Model | 35 pages and 29 figures | null | 10.1140/epjc/s10052-022-11076-4 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, using the Bestest Little Higgs Model (BLHM) we calculate at
the one-loop level the contributions to the Anomalous Magnetic Dipole Moment
(AMDM) and Anomalous Weak Magnetic Dipole Moment (AWMDM) of the tau-lepton. The
implications from this model are study, emphasizing the contributions of the
new physi... | [
{
"created": "Thu, 18 Aug 2022 23:32:49 GMT",
"version": "v1"
},
{
"created": "Mon, 22 Aug 2022 14:21:52 GMT",
"version": "v2"
}
] | 2022-12-21 | [
[
"Cruz-Albaro",
"E.",
""
],
[
"Gutiérrez-Rodríguez",
"A.",
""
],
[
"Aranda",
"J. I.",
""
],
[
"Ramírez-Zavaleta",
"F.",
""
]
] | In this paper, using the Bestest Little Higgs Model (BLHM) we calculate at the one-loop level the contributions to the Anomalous Magnetic Dipole Moment (AMDM) and Anomalous Weak Magnetic Dipole Moment (AWMDM) of the tau-lepton. The implications from this model are study, emphasizing the contributions of the new physics... |
hep-ph/0510195 | Karol Kolodziej | Karol Kolodziej, Adam Staron, Alejandro Lorca and Tord Riemann | Factorizable electroweak O(alpha) corrections for top quark pair
production and decay at a linear e+e- collider | 16 pages, 3 figures; a comment on the corrections that were not
included in the paper and one reference added; accepted for publication in
Eur. Phys. J. C | Eur.Phys.J.C46:357-365,2006 | 10.1140/epjc/s2006-02477-x | DESY 05-199, SFB/CPP-05-68 | hep-ph | null | We calculate the standard model predictions for top quark pair production and
decay into six fermions at a linear e+ e- collider. We include the factorizable
electroweak O(alpha) corrections in the pole approximation and QED corrections
due to the initial state radiation in the structure function approach. The
effect... | [
{
"created": "Fri, 14 Oct 2005 17:13:14 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Jan 2006 12:26:22 GMT",
"version": "v2"
}
] | 2009-01-07 | [
[
"Kolodziej",
"Karol",
""
],
[
"Staron",
"Adam",
""
],
[
"Lorca",
"Alejandro",
""
],
[
"Riemann",
"Tord",
""
]
] | We calculate the standard model predictions for top quark pair production and decay into six fermions at a linear e+ e- collider. We include the factorizable electroweak O(alpha) corrections in the pole approximation and QED corrections due to the initial state radiation in the structure function approach. The effects ... |
1902.03281 | Petr Vogel | Petr Vogel | Reactor Neutrinos: Toward Oscillations | Invited Talk at the "History of the Neutrino" Conference, September
2018, Paris | null | null | null | hep-ph nucl-ex nucl-th physics.ins-det | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I shall sketch the history of reactor neutrino physics over five decades
since the Reines-Cowan proof of neutrino existence in the late 50s, till the
advent of the present era of precision reactor neutrino oscillation
experiments. There are three chapters of this story: i) Exploration of
possibilities of the reactor ... | [
{
"created": "Fri, 8 Feb 2019 20:33:59 GMT",
"version": "v1"
}
] | 2019-02-13 | [
[
"Vogel",
"Petr",
""
]
] | I shall sketch the history of reactor neutrino physics over five decades since the Reines-Cowan proof of neutrino existence in the late 50s, till the advent of the present era of precision reactor neutrino oscillation experiments. There are three chapters of this story: i) Exploration of possibilities of the reactor ne... |
hep-ph/9409415 | null | D.Tadi\'c and S.\v{Z}ganec | Covariant and Heavy Quark Symmetric Quark Models | 34 pages (2 figures not included but avaliable upon request), LATEX,
(to be published in Phys.Rev.D) | Phys.Rev.D50:5853-5864,1994 | 10.1103/PhysRevD.50.5853 | ZTF-PMF/94 | hep-ph | null | There exist relativistic quark models (potential or MIT-bag) which satisfy
the heavy quark symmetry (HQS) relations among meson decay constants and form
factors. Covariant construction of the momentum eigenstates, developed here,
can correct for spurious center-of-mass motion contributions.Proton form factor
and M1 t... | [
{
"created": "Mon, 26 Sep 1994 15:05:23 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Tadić",
"D.",
""
],
[
"Žganec",
"S.",
""
]
] | There exist relativistic quark models (potential or MIT-bag) which satisfy the heavy quark symmetry (HQS) relations among meson decay constants and form factors. Covariant construction of the momentum eigenstates, developed here, can correct for spurious center-of-mass motion contributions.Proton form factor and M1 tra... |
hep-ph/9504354 | Hiroyuki Siomi | H. Shiomi and T. Hatsuda | The Pion-Nucleon Coupling Constant in QCD Sum Rules | 15 pages, latex, 9 figures appended as uu-encoded file | Nucl.Phys. A594 (1995) 294-310 | 10.1016/0375-9474(95)00359-9 | UTHEP-299 | hep-ph nucl-th | null | The pion-nucleon coupling constant $g_{\pi N}$ is studied on the basis of the
QCD sum rules. Both the Borel sum rules and the finite energy sum rules for
$g_{\pi N}$ are used to examine the effects of higher dimensional operators (up
to dim. 7) and $\alpha_s$ corrections in the operator product expansion.
Agreement w... | [
{
"created": "Fri, 21 Apr 1995 04:06:44 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Shiomi",
"H.",
""
],
[
"Hatsuda",
"T.",
""
]
] | The pion-nucleon coupling constant $g_{\pi N}$ is studied on the basis of the QCD sum rules. Both the Borel sum rules and the finite energy sum rules for $g_{\pi N}$ are used to examine the effects of higher dimensional operators (up to dim. 7) and $\alpha_s$ corrections in the operator product expansion. Agreement wit... |
2105.14624 | Chris Korthals Altes | Chris P. Korthals Altes | Minimalistic musings about the Standard Model | submitted to Acta Physica Polonica. Some cosmetic changes and typos
corrected | null | 10.5506/APhysPolB.52.607 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | \hspace{2,0cm}{{\bf A tribute to Martinus Veltman 1931-2021}}
Martinus ("Tini") Veltman 's early contributions to the Standard Model were
essential for its succes. After some nostalgic reminiscences, I turn to the
Standard Model with a minimalistic attitude, the point of view that beyond the
SM there is only the Pl... | [
{
"created": "Sun, 30 May 2021 21:03:06 GMT",
"version": "v1"
}
] | 2021-07-07 | [
[
"Altes",
"Chris P. Korthals",
""
]
] | \hspace{2,0cm}{{\bf A tribute to Martinus Veltman 1931-2021}} Martinus ("Tini") Veltman 's early contributions to the Standard Model were essential for its succes. After some nostalgic reminiscences, I turn to the Standard Model with a minimalistic attitude, the point of view that beyond the SM there is only the Planck... |
2103.05648 | Anirban Biswas | Anirban Biswas, Debasish Borah, Dibyendu Nanda | Light Dirac neutrino portal dark matter with observable $\Delta{N_{\rm
eff}}$ | 39 pages, 7 figures, 1 table, a new discussion related to the decay
of $\phi$ has been added in Appendix A, new figures are added, new references
are added, conclusion remains unchanged, version accepted for publication in
JCAP | JCAP 10 (2021) 002 | 10.1088/1475-7516/2021/10/002 | null | hep-ph astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | We propose a Dirac neutrino portal dark matter scenario by minimally
extending the particle content of the Standard Model (SM) with three right
handed neutrinos ($\nu_R$), a Dirac fermion dark matter candidate ($\psi$) and
a complex scalar ($\phi$), all of which are singlets under the SM gauge group.
An additional $\... | [
{
"created": "Tue, 9 Mar 2021 19:00:03 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Sep 2021 14:47:10 GMT",
"version": "v2"
}
] | 2021-10-05 | [
[
"Biswas",
"Anirban",
""
],
[
"Borah",
"Debasish",
""
],
[
"Nanda",
"Dibyendu",
""
]
] | We propose a Dirac neutrino portal dark matter scenario by minimally extending the particle content of the Standard Model (SM) with three right handed neutrinos ($\nu_R$), a Dirac fermion dark matter candidate ($\psi$) and a complex scalar ($\phi$), all of which are singlets under the SM gauge group. An additional $\ma... |
0812.2731 | Chia-Min Lin | Chia-Min Lin, Kingman Cheung | Super Hilltop Inflation | 12 pages, 8 figures, to be published in JCAP | JCAP 0903:012,2009 | 10.1088/1475-7516/2009/03/012 | null | hep-ph astro-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we consider logarithmic radiative corrections and higher order
terms to the supersymmetric hilltop F- and D-term hybrid inflation models.
Conventional F- and D-term hybrid inflation only predicts $n_s \gae 0.98$. We
show that via a positive quadratic and a negative quartic correction the
spectral index... | [
{
"created": "Mon, 15 Dec 2008 07:32:59 GMT",
"version": "v1"
},
{
"created": "Mon, 22 Dec 2008 04:52:44 GMT",
"version": "v2"
},
{
"created": "Tue, 17 Feb 2009 03:09:50 GMT",
"version": "v3"
}
] | 2010-04-23 | [
[
"Lin",
"Chia-Min",
""
],
[
"Cheung",
"Kingman",
""
]
] | In this paper, we consider logarithmic radiative corrections and higher order terms to the supersymmetric hilltop F- and D-term hybrid inflation models. Conventional F- and D-term hybrid inflation only predicts $n_s \gae 0.98$. We show that via a positive quadratic and a negative quartic correction the spectral index c... |
hep-ph/9502340 | Richard Ball | R. D. Ball, S. Forte and G. Ridolfi | Scale Dependence and Small-x Behaviour of Polarized Parton Distributions | 27 pages, TeX with harvmac, 3 figures in compressed postscript. Final
version, to be published in Nucl. Phys. B | Nucl.Phys. B444 (1995) 287-309; Erratum-ibid. B449 (1995) 680 | 10.1016/0550-3213(95)00178-U | CERN-TH/95-31, GeF-TH-2/95 | hep-ph | null | We discuss perturbative evolution of the polarized structure function g_1 in
the (x,Q^2) plane, with special regard to the small-x region. We determine g_1
in terms of polarized quark and gluon distributions using coefficient functions
to order alpha_s. At small x g_1 then displays substantial scale dependence,
which... | [
{
"created": "Fri, 17 Feb 1995 17:51:12 GMT",
"version": "v1"
},
{
"created": "Mon, 20 Feb 1995 11:30:01 GMT",
"version": "v2"
},
{
"created": "Tue, 11 Apr 1995 15:59:03 GMT",
"version": "v3"
}
] | 2009-10-28 | [
[
"Ball",
"R. D.",
""
],
[
"Forte",
"S.",
""
],
[
"Ridolfi",
"G.",
""
]
] | We discuss perturbative evolution of the polarized structure function g_1 in the (x,Q^2) plane, with special regard to the small-x region. We determine g_1 in terms of polarized quark and gluon distributions using coefficient functions to order alpha_s. At small x g_1 then displays substantial scale dependence, which n... |
1307.4551 | Paolo Gambino | Paolo Gambino and Christoph Schwanda | Inclusive semileptonic fits, heavy quark masses, and V_cb | 22 pages, 4 figures. v2: mc value from final version of Ref.[13], a
few clarifications added, PRD version | Phys. Rev. D 89, 014022 (2014) | 10.1103/PhysRevD.89.014022 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform global fits to the moments of semileptonic B decay distributions
and extract |V_cb|, the heavy quark masses, and the non-perturbative parameters
of the heavy quark expansion. We include NNLO perturbative corrections and
recent determinations of the charm mass, and discuss how they improve the
precision of ... | [
{
"created": "Wed, 17 Jul 2013 09:46:39 GMT",
"version": "v1"
},
{
"created": "Sun, 19 Jan 2014 16:38:55 GMT",
"version": "v2"
}
] | 2014-01-29 | [
[
"Gambino",
"Paolo",
""
],
[
"Schwanda",
"Christoph",
""
]
] | We perform global fits to the moments of semileptonic B decay distributions and extract |V_cb|, the heavy quark masses, and the non-perturbative parameters of the heavy quark expansion. We include NNLO perturbative corrections and recent determinations of the charm mass, and discuss how they improve the precision of th... |
2309.10023 | Mario Reig | Prateek Agrawal, Nicholas R. Hutzler, David E. Kaplan, Surjeet
Rajendran, Mario Reig | Searching for axion forces with spin precession in atoms and molecules | 9 pages, 2 figures. Comments welcome | null | null | null | hep-ph physics.atom-ph | http://creativecommons.org/licenses/by/4.0/ | We propose to use atoms and molecules as quantum sensors of axion-mediated
monopole-dipole forces. We show that electron spin precession experiments using
atomic and molecular beams are well-suited for axion searches thanks to the
presence of co-magnetometer states and single-shot temporal resolution.
Experimental st... | [
{
"created": "Mon, 18 Sep 2023 18:00:00 GMT",
"version": "v1"
}
] | 2023-09-20 | [
[
"Agrawal",
"Prateek",
""
],
[
"Hutzler",
"Nicholas R.",
""
],
[
"Kaplan",
"David E.",
""
],
[
"Rajendran",
"Surjeet",
""
],
[
"Reig",
"Mario",
""
]
] | We propose to use atoms and molecules as quantum sensors of axion-mediated monopole-dipole forces. We show that electron spin precession experiments using atomic and molecular beams are well-suited for axion searches thanks to the presence of co-magnetometer states and single-shot temporal resolution. Experimental stra... |
hep-ph/9303296 | null | M. Dine, A. Kagan and R. G. Leigh | Supersymmetry and the Nelson-Barr Mechanism | 24 pages, 3 figures, phyzzx format; minor adjustments made | Phys.Rev.D48:2214-2223,1993 | 10.1103/PhysRevD.48.2214 | SCIPP 93/05,SLAC-PUB-6090 | hep-ph | null | One possible solution to the strong CP problem is that CP is an exact
symmetry, spontaneously broken at some scale. Some years ago, Nelson and Barr
suggested a mechanism for obtaining $\theta=0$ at tree level in this framework,
and showed that radiative corrections were small in some non-supersymmetric
models. Furthe... | [
{
"created": "Wed, 24 Mar 1993 01:53:19 GMT",
"version": "v1"
},
{
"created": "Tue, 18 May 1993 16:57:53 GMT",
"version": "v2"
}
] | 2010-11-01 | [
[
"Dine",
"M.",
""
],
[
"Kagan",
"A.",
""
],
[
"Leigh",
"R. G.",
""
]
] | One possible solution to the strong CP problem is that CP is an exact symmetry, spontaneously broken at some scale. Some years ago, Nelson and Barr suggested a mechanism for obtaining $\theta=0$ at tree level in this framework, and showed that radiative corrections were small in some non-supersymmetric models. Further ... |
1602.05612 | Radja Boughezal | Radja Boughezal, Xiaohui Liu, Frank Petriello | A comparison of NNLO QCD predictions with 7 TeV ATLAS and CMS data for
$V$+jet processes | 20 pages, 13 figures, 4 tables, published version | Physics Letters B (2016), pp. 6-13 | 10.1016/j.physletb.2016.06.032 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a detailed comparison of next-to-next-to-leading order (NNLO) QCD
predictions for the W+jet and Z+jet processes with 7 TeV experimental data from
ATLAS and CMS. We observe excellent agreement between theory and data for most
studied observables, which span several orders of magnitude in both cross
section ... | [
{
"created": "Wed, 17 Feb 2016 22:10:35 GMT",
"version": "v1"
},
{
"created": "Fri, 24 Jun 2016 16:36:04 GMT",
"version": "v2"
}
] | 2016-06-27 | [
[
"Boughezal",
"Radja",
""
],
[
"Liu",
"Xiaohui",
""
],
[
"Petriello",
"Frank",
""
]
] | We perform a detailed comparison of next-to-next-to-leading order (NNLO) QCD predictions for the W+jet and Z+jet processes with 7 TeV experimental data from ATLAS and CMS. We observe excellent agreement between theory and data for most studied observables, which span several orders of magnitude in both cross section an... |
1808.04619 | Torbj\"orn Sj\"ostrand | Silvia Ferreres-Sol\'e and Torbj\"orn Sj\"ostrand | The Space-Time Structure of Hadronization in the Lund Model | 43 pages. Version 2 contains a new section 3.7 plus a few other minor
additions, as requested by the referee. In addition an updated reference list
and a few typo corrections. None of the original physics arguments or
conclusions are affected, however | null | 10.1140/epjc/s10052-018-6459-8 | LU TP 18-18, MCnet-18-20 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The assumption of linear confinement leads to a proportionality of the
energy-momentum and space-time pictures of fragmentation for a simple qqbar
system in the Lund string model. The hadronization of more complicated systems
is more difficult to describe, and in the past only the energy-momentum picture
has been imp... | [
{
"created": "Tue, 14 Aug 2018 10:35:16 GMT",
"version": "v1"
},
{
"created": "Mon, 26 Nov 2018 17:41:08 GMT",
"version": "v2"
}
] | 2018-12-26 | [
[
"Ferreres-Solé",
"Silvia",
""
],
[
"Sjöstrand",
"Torbjörn",
""
]
] | The assumption of linear confinement leads to a proportionality of the energy-momentum and space-time pictures of fragmentation for a simple qqbar system in the Lund string model. The hadronization of more complicated systems is more difficult to describe, and in the past only the energy-momentum picture has been imple... |
hep-ph/9707336 | Takeshi Nihei | Takeshi Nihei | Effect of SUSY phases on the $B^0_d - \bar{B}^0_d$ mixing in the minimal
supergravity model | 12 pages, 3 figures | Prog.Theor.Phys. 98 (1997) 1157-1164 | 10.1143/PTP.98.1157 | KEK-TH-523, KEK Preprint 97-90 | hep-ph | null | We investigate the effect of SUSY phases ($\theta_A$ and $\theta_\mu$) on the
$B^0_d - \bar{B}^0_d$ mixing in the minimal supergravity model. It is known
that the complex phase $\theta_A$ $=$ arg($A$) ($A$ is the universal
coefficient of the trilinear scalar couplings) is essentially unconstrained by
the electric dip... | [
{
"created": "Sun, 13 Jul 1997 03:25:23 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Nihei",
"Takeshi",
""
]
] | We investigate the effect of SUSY phases ($\theta_A$ and $\theta_\mu$) on the $B^0_d - \bar{B}^0_d$ mixing in the minimal supergravity model. It is known that the complex phase $\theta_A$ $=$ arg($A$) ($A$ is the universal coefficient of the trilinear scalar couplings) is essentially unconstrained by the electric dipol... |
2210.11569 | Mark Strikman | Leonid Frankfurt and Mark Strikman | Perturbative QCD Core of Hadrons and Color Transparency Phenomena | 13 page Contribution to: The Future of Color Transparency and
Hadronization Studies at Jefferson Lab and Beyond | MDPI Physics 4(3), 774-786, 2022 | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the current paper, we argue that the ground state of a hadron contains a
significant perturbative quantum chromodynamics (pQCD) core as the result of
color gauge invariance and of the values of chiral and gluon vacuum
condensates. The evaluation within the method of dispersion sum rules (DSR) of
the vacuum matrix ... | [
{
"created": "Thu, 20 Oct 2022 20:09:39 GMT",
"version": "v1"
}
] | 2022-10-24 | [
[
"Frankfurt",
"Leonid",
""
],
[
"Strikman",
"Mark",
""
]
] | In the current paper, we argue that the ground state of a hadron contains a significant perturbative quantum chromodynamics (pQCD) core as the result of color gauge invariance and of the values of chiral and gluon vacuum condensates. The evaluation within the method of dispersion sum rules (DSR) of the vacuum matrix el... |
hep-ph/0209029 | Nicusor Timneanu | L. Motyka and N. Timneanu | Unintegrated gluon in the photon and heavy quark production | 24 pages, 11 figures, new references, typos corrected | Eur.Phys.J.C27:73-85,2003 | 10.1140/epjc/s2002-01100-8 | TSL/ISV-2002-0265 | hep-ph | null | The unintegrated gluon density in the photon is determined, using the
Kimber-Martin-Ryskin prescription . In addition, a model of the unintegrated
gluon is proposed, based on the saturation model extended to the large-x
region. These gluon densities are applied to obtain cross sections for charm
and bottom production... | [
{
"created": "Tue, 3 Sep 2002 16:02:33 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Nov 2002 13:25:39 GMT",
"version": "v2"
}
] | 2009-01-07 | [
[
"Motyka",
"L.",
""
],
[
"Timneanu",
"N.",
""
]
] | The unintegrated gluon density in the photon is determined, using the Kimber-Martin-Ryskin prescription . In addition, a model of the unintegrated gluon is proposed, based on the saturation model extended to the large-x region. These gluon densities are applied to obtain cross sections for charm and bottom production i... |
2106.11659 | Xiang-Gan Liu | Bu-Yao Qu, Xiang-Gan Liu, Ping-Tao Chen, Gui-Jun Ding | Flavor mixing and CP violation from the interplay of $S_4$ modular group
and gCP | 42 pages, 5 figures | Phys. Rev. D 104, 076001 (2021) | 10.1103/PhysRevD.104.076001 | USTC-ICTS/PCFT-21-20 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We have performed a systematical analysis of lepton and quark masses models
based on $\Gamma_4\cong S_4$ modular symmetry with gCP symmetry. We have
considered both cases that neutrinos are Majorana particles and Dirac
particles. All possible nontrivial representation assignments of matter fields
are considered, and ... | [
{
"created": "Tue, 22 Jun 2021 10:34:35 GMT",
"version": "v1"
}
] | 2021-10-13 | [
[
"Qu",
"Bu-Yao",
""
],
[
"Liu",
"Xiang-Gan",
""
],
[
"Chen",
"Ping-Tao",
""
],
[
"Ding",
"Gui-Jun",
""
]
] | We have performed a systematical analysis of lepton and quark masses models based on $\Gamma_4\cong S_4$ modular symmetry with gCP symmetry. We have considered both cases that neutrinos are Majorana particles and Dirac particles. All possible nontrivial representation assignments of matter fields are considered, and th... |
1005.4599 | Carlo Giunti Dr. | Carlo Giunti, Marco Laveder | Short-Baseline Electron Neutrino Disappearance, Tritium Beta Decay and
Neutrinoless Double-Beta Decay | 14 pages; final version published in Phys.Rev.D82:053005,2010 | Phys.Rev.D82:053005,2010 | 10.1103/PhysRevD.82.053005 | null | hep-ph astro-ph.CO hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the interpretation of the MiniBooNE low-energy anomaly and the
Gallium radioactive source experiments anomaly in terms of short-baseline
electron neutrino disappearance in the framework of 3+1 four-neutrino mixing
schemes. The separate fits of MiniBooNE and Gallium data are highly compatible,
with close b... | [
{
"created": "Tue, 25 May 2010 15:05:24 GMT",
"version": "v1"
},
{
"created": "Wed, 26 May 2010 09:06:05 GMT",
"version": "v2"
},
{
"created": "Mon, 2 Aug 2010 14:14:05 GMT",
"version": "v3"
},
{
"created": "Mon, 11 Oct 2010 10:54:38 GMT",
"version": "v4"
}
] | 2010-10-12 | [
[
"Giunti",
"Carlo",
""
],
[
"Laveder",
"Marco",
""
]
] | We consider the interpretation of the MiniBooNE low-energy anomaly and the Gallium radioactive source experiments anomaly in terms of short-baseline electron neutrino disappearance in the framework of 3+1 four-neutrino mixing schemes. The separate fits of MiniBooNE and Gallium data are highly compatible, with close bes... |
hep-ph/0604073 | Susumu Koretune | Susumu Koretune | The sum rules for the spin dependent structure functions $g_1$ in the
isovector reaction | Eq.(9) is corrected. The correction is minor and does not affect the
disscusion and the conclusion in the paper | Phys.Rev.C73:058201,2006; Erratum-ibid.C74:049902,2006;
Phys.Rev.C74:049902,2006 | 10.1103/PhysRevC.73.058201 10.1103/PhysRevC.74.049902 | null | hep-ph nucl-th | null | In the isovector reaction, the sum rule for the spin dependent function $g_1$
which is related to the cross section of the photoproduction is derived. In the
small $Q^2$ region, the sum rule is dominated by the low energy contribution
and it tightly connects the resonance, the elastic, and the non-resonant
contributi... | [
{
"created": "Fri, 7 Apr 2006 15:18:48 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Sep 2006 01:31:03 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Koretune",
"Susumu",
""
]
] | In the isovector reaction, the sum rule for the spin dependent function $g_1$ which is related to the cross section of the photoproduction is derived. In the small $Q^2$ region, the sum rule is dominated by the low energy contribution and it tightly connects the resonance, the elastic, and the non-resonant contribution... |
1601.05237 | Carlos Alberto Vaquera-Araujo | Jos\'e W.F. Valle and C.A. Vaquera-Araujo | Dynamical seesaw mechanism for Dirac neutrinos | 7 pages, 1 figure | null | 10.1016/j.physletb.2016.02.031 | IFIC/16-XX | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | So far we have not been able to establish that, as theoretically expected,
neutrinos are their own anti-particles. Here we propose a dynamical way to
account for the Dirac nature of neutrinos and the smallness of their mass in
terms of a new variant of the seesaw paradigm in which the energy scale of
neutrino mass ge... | [
{
"created": "Wed, 20 Jan 2016 11:02:51 GMT",
"version": "v1"
}
] | 2016-02-24 | [
[
"Valle",
"José W. F.",
""
],
[
"Vaquera-Araujo",
"C. A.",
""
]
] | So far we have not been able to establish that, as theoretically expected, neutrinos are their own anti-particles. Here we propose a dynamical way to account for the Dirac nature of neutrinos and the smallness of their mass in terms of a new variant of the seesaw paradigm in which the energy scale of neutrino mass gene... |
1409.2297 | Luminita Mihaila | D. Kunz, L. Mihaila and N. Zerf | O(\alpha_s^2) corrections to the running top-Yukawa coupling and the
mass of the lightest Higgs boson in the MSSM | 24 pages, 9 figures; one more figure added; reference list extended | null | 10.1007/JHEP12(2014)136 | SFB/CPP-14-61, TTP/TTP14-025, Alberta Thy 14-14 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we propose a method to compute the running top-Yukawa coupling
in supersymmetric models with heavy mass spectrum based on the "running" and
"decoupling" procedure. In order to enable this approach we compute the
two-loop SUSY-QCD radiative corrections required in the decoupling process. The
method has t... | [
{
"created": "Mon, 8 Sep 2014 11:39:13 GMT",
"version": "v1"
},
{
"created": "Wed, 17 Dec 2014 08:51:52 GMT",
"version": "v2"
}
] | 2015-06-22 | [
[
"Kunz",
"D.",
""
],
[
"Mihaila",
"L.",
""
],
[
"Zerf",
"N.",
""
]
] | In this paper we propose a method to compute the running top-Yukawa coupling in supersymmetric models with heavy mass spectrum based on the "running" and "decoupling" procedure. In order to enable this approach we compute the two-loop SUSY-QCD radiative corrections required in the decoupling process. The method has the... |
hep-ph/0203178 | Yeinzon Rodriguez Garcia | Yeinzon Rodriguez and Carlos Quimbay (Universidad Nacional de
Colombia) | Spontaneous CP Phases and Flavour Changing Neutral Currents in the
Left-Right Symmetric Model | LaTex File, 31 pages, no figures. Minor grammatical changes.
References updated and one added. Version to appear in Nuclear Physics B | Nucl.Phys. B637 (2002) 219-242 | 10.1016/S0550-3213(02)00397-8 | FIUN-CP-02/1 | hep-ph | null | We study the behaviour of the flavour changing neutral currents in the
Left-Right Symmetric Model related to the presence of spontaneous CP phases. To
do this, we explore four cases corresponding to combinations of maximal and no
CP violation in both the lepton and quark sector. We find that we can constrain
the flav... | [
{
"created": "Tue, 19 Mar 2002 15:07:50 GMT",
"version": "v1"
},
{
"created": "Thu, 13 Jun 2002 13:54:15 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Rodriguez",
"Yeinzon",
"",
"Universidad Nacional de\n Colombia"
],
[
"Quimbay",
"Carlos",
"",
"Universidad Nacional de\n Colombia"
]
] | We study the behaviour of the flavour changing neutral currents in the Left-Right Symmetric Model related to the presence of spontaneous CP phases. To do this, we explore four cases corresponding to combinations of maximal and no CP violation in both the lepton and quark sector. We find that we can constrain the flavou... |
2111.12091 | Volodymyr Takhistov | Syuhei Iguro, Ryan Plestid, Volodymyr Takhistov | Monopoles From an Atmospheric Fixed Target Experiment | 8 pages, 4 figures; v2: matches version accepted to PRL | Phys. Rev. Lett. 128, 201101 (2022) | 10.1103/PhysRevLett.128.201101 | FERMILAB-PUB-21-617-T, IPMU21-0081, TTP21-051 | hep-ph astro-ph.CO astro-ph.HE hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Magnetic monopoles have a long history of theoretical predictions and
experimental searches, carrying direct implications for fundamental concepts
such as electric charge quantization. We analyze in detail for the first time
magnetic monopole production from collisions of cosmic rays bombarding the
atmosphere. This s... | [
{
"created": "Tue, 23 Nov 2021 19:00:00 GMT",
"version": "v1"
},
{
"created": "Fri, 20 May 2022 07:13:03 GMT",
"version": "v2"
}
] | 2022-05-23 | [
[
"Iguro",
"Syuhei",
""
],
[
"Plestid",
"Ryan",
""
],
[
"Takhistov",
"Volodymyr",
""
]
] | Magnetic monopoles have a long history of theoretical predictions and experimental searches, carrying direct implications for fundamental concepts such as electric charge quantization. We analyze in detail for the first time magnetic monopole production from collisions of cosmic rays bombarding the atmosphere. This sou... |
hep-ph/0211326 | K. A. Oganessyan | K.A. Oganessyan, L.S. Asilyan, E. De Sanctis, V. Muccifora | Azimuthal Asymmetries: Access to Novel Structure Functions | 6 pages, LaTeX, 7 eps figures, Talk presented at the 15th
International Spin Physics Symposium, Spin 2002, Brookhaven National
Laboratory, September 9-14, 2002 | null | 10.1063/1.1607174 | null | hep-ph | null | One of the most interesting consequence of non-zero intrinsic transverse
momentum of partons in the nucleon is the nontrivial azimuthal dependence of
the cross section of hard scattering processes. Many of the observable
asymmetries contain unknown functions which provide essential information on
the quark and gluon ... | [
{
"created": "Wed, 20 Nov 2002 22:19:05 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Oganessyan",
"K. A.",
""
],
[
"Asilyan",
"L. S.",
""
],
[
"De Sanctis",
"E.",
""
],
[
"Muccifora",
"V.",
""
]
] | One of the most interesting consequence of non-zero intrinsic transverse momentum of partons in the nucleon is the nontrivial azimuthal dependence of the cross section of hard scattering processes. Many of the observable asymmetries contain unknown functions which provide essential information on the quark and gluon st... |
1009.1692 | Yi Liao | Yi Liao | Unique Neutrino Mass Operator at any Mass Dimension | 6 pages, 1 figure; v2: modified/added a few sentences, more
acknowledgement, added a ref to [7] and a new [8], typos fixed, proofread
version for Phys Lett B | Phys.Lett.B694:346-348,2011 | 10.1016/j.physletb.2010.10.005 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | When the standard model is viewed as a low energy effective theory, the
neutrinos can obtain mass from higher dimensional operators. It has been known
for long that such an operator first appears at mass dimension five and that it
is unique. Here we show that the effective neutrino mass operator at every
higher dimen... | [
{
"created": "Thu, 9 Sep 2010 06:31:29 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Oct 2010 12:51:24 GMT",
"version": "v2"
}
] | 2011-06-27 | [
[
"Liao",
"Yi",
""
]
] | When the standard model is viewed as a low energy effective theory, the neutrinos can obtain mass from higher dimensional operators. It has been known for long that such an operator first appears at mass dimension five and that it is unique. Here we show that the effective neutrino mass operator at every higher dimensi... |
2108.04017 | Ajay Kumar Rai | Rohit Tiwari, D P Rathaud and A K Rai | Spectroscopy of all charm tetraquark states | 19 pages | null | 10.1007/s12648-022-02427-8 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | The mass spectra of all-charm tetraquark states with the
[cc][$\bar{c}\bar{c}$] quark configuration are investigated. The coulomb plus
linear potential is used in conjunction with the relativistic mass correction
term $\mathcal{O}(\frac{1}{m})$. To determine the fitting parameters for
all-charm tetraquarks states [cc... | [
{
"created": "Mon, 9 Aug 2021 13:16:14 GMT",
"version": "v1"
}
] | 2022-08-10 | [
[
"Tiwari",
"Rohit",
""
],
[
"Rathaud",
"D P",
""
],
[
"Rai",
"A K",
""
]
] | The mass spectra of all-charm tetraquark states with the [cc][$\bar{c}\bar{c}$] quark configuration are investigated. The coulomb plus linear potential is used in conjunction with the relativistic mass correction term $\mathcal{O}(\frac{1}{m})$. To determine the fitting parameters for all-charm tetraquarks states [cc][... |
1906.00894 | Yoshitaka Hatta | Yoshitaka Hatta, Abha Rajan, Di-Lun Yang | Near threshold $J/\psi$ and $\Upsilon$ photo-production at JLab and RHIC | 10 pages, 9 figures | Phys. Rev. D 100, 014032 (2019) | 10.1103/PhysRevD.100.014032 | YITP-19-46 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We update our previous calculation of $J/\psi$ photo-production near
threshold \cite{Hatta:2018ina} by incorporating the recent developments in
theory and the new experimental data from the GlueX collaboration at Jefferson
Lab \cite{Ali:2019lzf}. We then propose to study the near threshold production
of $\Upsilon$ an... | [
{
"created": "Mon, 3 Jun 2019 15:50:34 GMT",
"version": "v1"
}
] | 2019-08-07 | [
[
"Hatta",
"Yoshitaka",
""
],
[
"Rajan",
"Abha",
""
],
[
"Yang",
"Di-Lun",
""
]
] | We update our previous calculation of $J/\psi$ photo-production near threshold \cite{Hatta:2018ina} by incorporating the recent developments in theory and the new experimental data from the GlueX collaboration at Jefferson Lab \cite{Ali:2019lzf}. We then propose to study the near threshold production of $\Upsilon$ and ... |
1511.02350 | Andrew Papanastasiou | Stefan Liebler, Gudrid Moortgat-Pick, Andrew S. Papanastasiou | Probing the top-quark width through ratios of resonance contributions of
$e^+e^-\rightarrow W^+W^-b\bar{b}$ | 31 pages, 10 figures, 2 tables | null | 10.1007/JHEP03(2016)099 | Cavendish-HEP-15/11, DESY 15-169 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We exploit offshell regions in the process $e^+e^-\rightarrow W^+W^-b\bar{b}$
to gain access to the top-quark width. Working at next-to-leading order in QCD
we show that carefully selected ratios of offshell regions to onshell regions
in the reconstructed top and antitop invariant mass spectra are,
\emph{independentl... | [
{
"created": "Sat, 7 Nov 2015 12:15:06 GMT",
"version": "v1"
}
] | 2016-04-20 | [
[
"Liebler",
"Stefan",
""
],
[
"Moortgat-Pick",
"Gudrid",
""
],
[
"Papanastasiou",
"Andrew S.",
""
]
] | We exploit offshell regions in the process $e^+e^-\rightarrow W^+W^-b\bar{b}$ to gain access to the top-quark width. Working at next-to-leading order in QCD we show that carefully selected ratios of offshell regions to onshell regions in the reconstructed top and antitop invariant mass spectra are, \emph{independently}... |
1103.2915 | Luca Merlo Dr. | R. Alonso, M.B. Gavela, L. Merlo and S. Rigolin | On The Potential of Minimal Flavour Violation | 33 pages, 6 figures; Note added in proof on the stability of the
minima of the scalar potential; results unchanged; references added | JHEP 1107:012,2011 | 10.1007/JHEP07(2011)012 | FTUAM-11-39, IFT-UAM/CSIC-11-09, TUM-HEP-796/11, DFPD-11-TH-2 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Assuming the Minimal Flavour Violation hypothesis, we derive the general
scalar potential for fields whose background values are the Yukawa couplings.
We analyze the minimum of the potential and discuss the fine-tuning required to
dynamically generate the mass hierarchies and the mixings between different
quark gener... | [
{
"created": "Tue, 15 Mar 2011 14:12:22 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Apr 2011 16:54:08 GMT",
"version": "v2"
},
{
"created": "Mon, 6 Jun 2011 19:51:15 GMT",
"version": "v3"
}
] | 2011-07-13 | [
[
"Alonso",
"R.",
""
],
[
"Gavela",
"M. B.",
""
],
[
"Merlo",
"L.",
""
],
[
"Rigolin",
"S.",
""
]
] | Assuming the Minimal Flavour Violation hypothesis, we derive the general scalar potential for fields whose background values are the Yukawa couplings. We analyze the minimum of the potential and discuss the fine-tuning required to dynamically generate the mass hierarchies and the mixings between different quark generat... |
hep-ph/0010015 | Christophe Royon | C. Royon (Saclay, BNL, UTA), L. Schoeffel (Saclay), J.Bartels
(Hamburg), H.Jung (Lund), R.Peschanski (Saclay) | QCD analysis of the diffractive structure function F_2^{D(3)} | 24 pages | Phys.Rev.D63:074004,2001 | 10.1103/PhysRevD.63.074004 | null | hep-ph | null | The proton diffractive structure function $F_2^{D(3)}$ measured in the H1 and
ZEUS experiments at HERA is analyzed in terms of both Regge phenomenology and
perturbative QCD evolution. A new method determines the values of the Regge
intercepts in ``hard'' diffraction, confirming a higher value of the Pomeron
intercept... | [
{
"created": "Tue, 3 Oct 2000 01:06:21 GMT",
"version": "v1"
}
] | 2010-03-25 | [
[
"Royon",
"C.",
"",
"Saclay, BNL, UTA"
],
[
"Schoeffel",
"L.",
"",
"Saclay"
],
[
"Bartels",
"J.",
"",
"Hamburg"
],
[
"Jung",
"H.",
"",
"Lund"
],
[
"Peschanski",
"R.",
"",
"Saclay"
]
] | The proton diffractive structure function $F_2^{D(3)}$ measured in the H1 and ZEUS experiments at HERA is analyzed in terms of both Regge phenomenology and perturbative QCD evolution. A new method determines the values of the Regge intercepts in ``hard'' diffraction, confirming a higher value of the Pomeron intercept t... |
1206.1966 | Fredy Ochoa | M. E. Cata\~no, R Mart\'inez and F. Ochoa | Neutrino masses in a 331 model with right-handed neutrinos without
doubly charged Higgs | null | Phys.Rev. D 86, 073015 (2012) | 10.1103/PhysRevD.86.073015 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss a 331 model with three scalar triplets and neutral fermion
singlets. We show that in the 331 model with right-handed neutrinos, it is
possible to obtain small active neutrino masses via the double and inverse
seesaw mechanisms, without the use of scalar sextets or triplets with
doubly-charged Higgs. Two ty... | [
{
"created": "Sat, 9 Jun 2012 19:36:15 GMT",
"version": "v1"
},
{
"created": "Fri, 14 Sep 2012 01:04:31 GMT",
"version": "v2"
}
] | 2012-11-13 | [
[
"Cataño",
"M. E.",
""
],
[
"Martínez",
"R",
""
],
[
"Ochoa",
"F.",
""
]
] | We discuss a 331 model with three scalar triplets and neutral fermion singlets. We show that in the 331 model with right-handed neutrinos, it is possible to obtain small active neutrino masses via the double and inverse seesaw mechanisms, without the use of scalar sextets or triplets with doubly-charged Higgs. Two type... |
hep-ph/0510296 | Mu-Chun Chen | Mu-Chun Chen and K.T. Mahanthappa | Fermion Mixing and Soft Leptogenesis in a SUSY SO(10) x SU(2)_F Model | Talk presented at EPS International Europhysics Conference on High
Energy Physics (EPS-HEP2005), Lisbon, Portugal, 21-27 Jul 2005 | PoS HEP2005, 356 (2006) | null | COLO-HEP-511, FERMILAB-CONF-05-435-T | hep-ph | null | We have constructed a SUSY SO(10) x SU(2)_F model in which a set of symmetric
mass matrices with five texture zeros (having 11 parameters) leads to 22
measurable fermion masses, mixing angles and CP phases, all in agreement with
available experimental data within one sigma. The LMA solution for solar
neutrinos is obt... | [
{
"created": "Fri, 21 Oct 2005 22:49:45 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Chen",
"Mu-Chun",
""
],
[
"Mahanthappa",
"K. T.",
""
]
] | We have constructed a SUSY SO(10) x SU(2)_F model in which a set of symmetric mass matrices with five texture zeros (having 11 parameters) leads to 22 measurable fermion masses, mixing angles and CP phases, all in agreement with available experimental data within one sigma. The LMA solution for solar neutrinos is obtai... |
1304.7809 | Tom Melia | Tom Melia | Dyck Words and Multi-Quark Primitive Amplitudes | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I study group theory (Kleiss-Kuijf) relations between purely multi-quark
primitive amplitudes at tree level, and prove that they reduce the number of
independent primitives to (n-2)!/(n/2)!, where n is the number of quarks plus
antiquarks, in the case where quark lines have different flavours. I give an
explicit exam... | [
{
"created": "Mon, 29 Apr 2013 21:28:39 GMT",
"version": "v1"
}
] | 2013-05-01 | [
[
"Melia",
"Tom",
""
]
] | I study group theory (Kleiss-Kuijf) relations between purely multi-quark primitive amplitudes at tree level, and prove that they reduce the number of independent primitives to (n-2)!/(n/2)!, where n is the number of quarks plus antiquarks, in the case where quark lines have different flavours. I give an explicit exampl... |
1007.3616 | Luis Filipe Matos | Luis Matos | Gauge Mediation with Gauge Messengers in SU(5) | 33 pages, 7 figures, version submitted to jhep | JHEP 1012:042,2010 | 10.1007/JHEP12(2010)042 | IPPP/10/59DCPT/10/118 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The inclusion of gauge messengers in models of gauge mediation allows for
more general predictions that those described by the framework of general gauge
mediation. Motivated by this, we explore some models of gauge mediation with
gauge messengers in SU(5) GUTs. In most previous attempts of building viable
models whe... | [
{
"created": "Wed, 21 Jul 2010 11:20:33 GMT",
"version": "v1"
},
{
"created": "Fri, 23 Jul 2010 08:55:30 GMT",
"version": "v2"
},
{
"created": "Tue, 12 Oct 2010 15:18:45 GMT",
"version": "v3"
},
{
"created": "Thu, 18 Nov 2010 10:07:19 GMT",
"version": "v4"
}
] | 2010-12-15 | [
[
"Matos",
"Luis",
""
]
] | The inclusion of gauge messengers in models of gauge mediation allows for more general predictions that those described by the framework of general gauge mediation. Motivated by this, we explore some models of gauge mediation with gauge messengers in SU(5) GUTs. In most previous attempts of building viable models where... |
1807.05930 | A. F. W. van Hameren | Andreas van Hameren | One-loop amplitudes for k_T-dependent factorization | Contribution to the proceedings of "Loops and Legs 2018" | null | null | IFJPAN-IV-2018-13 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I report on progress in the calculation of one-loop amplitudes with a
space-like gluon. Amplitudes with space-like partons are relevant for
factorization procedure s that require initial-state partons with non-vanishing
transverse momentum components.
| [
{
"created": "Mon, 16 Jul 2018 15:44:23 GMT",
"version": "v1"
}
] | 2018-07-17 | [
[
"van Hameren",
"Andreas",
""
]
] | I report on progress in the calculation of one-loop amplitudes with a space-like gluon. Amplitudes with space-like partons are relevant for factorization procedure s that require initial-state partons with non-vanishing transverse momentum components. |
1204.1984 | Eef van Beveren | Eef van Beveren and George Rupp | Comment on "Observation of a New chi_b State in Radiative Transitions to
Upsilon_1S and Upsilon_2S at ATLAS" | 1 page, 2 figures | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We comment on the recent observation of chi_b states by the ATLAS
Collaboration and contest their peremptory interpretation of the highest of the
three observed structures as the chi_b(3P) system. Moreover, we do not agree
that from their data the mass barycenter of the chi_b(3P) system can be
determined.
| [
{
"created": "Mon, 9 Apr 2012 20:28:52 GMT",
"version": "v1"
}
] | 2012-04-11 | [
[
"van Beveren",
"Eef",
""
],
[
"Rupp",
"George",
""
]
] | We comment on the recent observation of chi_b states by the ATLAS Collaboration and contest their peremptory interpretation of the highest of the three observed structures as the chi_b(3P) system. Moreover, we do not agree that from their data the mass barycenter of the chi_b(3P) system can be determined. |
2406.01231 | Marco Chianese Dr | Marco Chianese, Satyabrata Datta, Gennaro Miele, Rome Samanta, Ninetta
Saviano | Probing flavored regimes of leptogenesis with gravitational waves from
cosmic strings | 5 pages, 2 figures, plus supplemental material | null | null | null | hep-ph astro-ph.CO hep-th | http://creativecommons.org/licenses/by/4.0/ | Cosmic strings radiate detectable gravitational waves in models featuring
high-scale symmetry breaking, e.g., high-scale leptogenesis. In this Letter,
for the first time, we show that different flavored regimes of high-scale
leptogenesis can be tested distinctly with the spectral features in cosmic
string-radiated gr... | [
{
"created": "Mon, 3 Jun 2024 11:51:23 GMT",
"version": "v1"
}
] | 2024-06-04 | [
[
"Chianese",
"Marco",
""
],
[
"Datta",
"Satyabrata",
""
],
[
"Miele",
"Gennaro",
""
],
[
"Samanta",
"Rome",
""
],
[
"Saviano",
"Ninetta",
""
]
] | Cosmic strings radiate detectable gravitational waves in models featuring high-scale symmetry breaking, e.g., high-scale leptogenesis. In this Letter, for the first time, we show that different flavored regimes of high-scale leptogenesis can be tested distinctly with the spectral features in cosmic string-radiated grav... |
1512.06741 | Wei Liao | Wei Liao and Han-qing Zheng | Scalar resonance at 750 GeV as composite of heavy vector-like fermions | 12 pages, no figure, references updated, version for publication | Commun. Theor. Phys. 66 (2016) 219 | 10.1088/0253-6102/66/2/219 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a model of scalars which includes both the SM Higgs and a scalar
singlet as composites of heavy vector-like fermions. The vector-like fermions
are bounded by the super-strong four-fermion interactions. The scalar singlet
decays to SM vector bosons through loop of heavy vector-like fermions. We show
that the ... | [
{
"created": "Mon, 21 Dec 2015 18:21:32 GMT",
"version": "v1"
},
{
"created": "Sat, 2 Jan 2016 03:10:54 GMT",
"version": "v2"
},
{
"created": "Fri, 8 Jul 2016 07:27:01 GMT",
"version": "v3"
}
] | 2016-08-24 | [
[
"Liao",
"Wei",
""
],
[
"Zheng",
"Han-qing",
""
]
] | We study a model of scalars which includes both the SM Higgs and a scalar singlet as composites of heavy vector-like fermions. The vector-like fermions are bounded by the super-strong four-fermion interactions. The scalar singlet decays to SM vector bosons through loop of heavy vector-like fermions. We show that the su... |
hep-ph/9605265 | FJ Yndurain | F. J. Yndur\'ain | On the Theoretical Analysis of the Small $x$ Data in Recent HERA Papers | TeX file, 6 pages, no figures | null | null | FTUAM 96-19 | hep-ph | null | A number of internal inconsistencies, misleading conclusions and lack of
completeness in the analyses of the small $x$ deep inelastic data in recent
papers of HERA physicists, particularly in a very recent one by the H1
collaboration are pointed out. It is also shown that, when an analysis without
prejudice is carrie... | [
{
"created": "Thu, 9 May 1996 12:38:43 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ynduráin",
"F. J.",
""
]
] | A number of internal inconsistencies, misleading conclusions and lack of completeness in the analyses of the small $x$ deep inelastic data in recent papers of HERA physicists, particularly in a very recent one by the H1 collaboration are pointed out. It is also shown that, when an analysis without prejudice is carried ... |
0907.1696 | Yithsbey Giraldo | Yithsbey Giraldo, William A. Ponce and Luis A. S\'anchez | Stability of the Scalar Potential and Symmetry Breaking in the
Economical 3-3-1 Model | to be published in EPJ C, 13 pages | Eur.Phys.J.C63:461-475,2009 | 10.1140/epjc/s10052-009-1101-4 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A detailed study of the criteria for stability of the scalar potential and
the proper electroweak symmetry breaking pattern in the economical 3-3-1 model,
is presented. For the analysis we use, and improve, a method previously
developed to study the scalar potential in the two-Higgs-doublet extension of
the standard ... | [
{
"created": "Fri, 10 Jul 2009 00:23:49 GMT",
"version": "v1"
},
{
"created": "Fri, 24 Jul 2009 19:46:34 GMT",
"version": "v2"
}
] | 2009-09-25 | [
[
"Giraldo",
"Yithsbey",
""
],
[
"Ponce",
"William A.",
""
],
[
"Sánchez",
"Luis A.",
""
]
] | A detailed study of the criteria for stability of the scalar potential and the proper electroweak symmetry breaking pattern in the economical 3-3-1 model, is presented. For the analysis we use, and improve, a method previously developed to study the scalar potential in the two-Higgs-doublet extension of the standard mo... |
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