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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0907.2664 | Boris Kayser | Boris Kayser | Leptogenesis and its Electromagnetic Variant | 6 pages, 3 figures, 1 photo. To appear in the Proceedings of the 2009
Rencontres de Moriond on Electroweak Interactions and Unified Theories | null | null | FERMILAB-CONF-09-359-T | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We briefly explain how the present baryon-antibaryon asymmetry of the
universe could have arisen through leptogenesis, and then discuss a new version
of leptogenesis in which CP violation in electromagnetic decays plays the
central role.
| [
{
"created": "Wed, 15 Jul 2009 17:38:29 GMT",
"version": "v1"
}
] | 2009-07-16 | [
[
"Kayser",
"Boris",
""
]
] | We briefly explain how the present baryon-antibaryon asymmetry of the universe could have arisen through leptogenesis, and then discuss a new version of leptogenesis in which CP violation in electromagnetic decays plays the central role. |
0907.2869 | Werner Rodejohann | Srubabati Goswami, Serguey Petcov, Shamayita Ray, Werner Rodejohann | Large U_{e3} and Tri-bimaximal Mixing | 20 pages, 9 figures | Phys.Rev.D80:053013, 2009 | 10.1103/PhysRevD.80.053013 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate in a model-independent way to what extent one can perturb
tri-bimaximal mixing in order to generate a sizable value of |U_{e3}|, while at
the same time keeping solar neutrino mixing near its measured value, which is
close to sin^2 theta_{12} = 1/3. Three straightforward breaking mechanisms to
generate ... | [
{
"created": "Thu, 16 Jul 2009 15:48:13 GMT",
"version": "v1"
}
] | 2009-09-30 | [
[
"Goswami",
"Srubabati",
""
],
[
"Petcov",
"Serguey",
""
],
[
"Ray",
"Shamayita",
""
],
[
"Rodejohann",
"Werner",
""
]
] | We investigate in a model-independent way to what extent one can perturb tri-bimaximal mixing in order to generate a sizable value of |U_{e3}|, while at the same time keeping solar neutrino mixing near its measured value, which is close to sin^2 theta_{12} = 1/3. Three straightforward breaking mechanisms to generate |U... |
2309.16216 | Benjamin Koch | Felipe A. Asenjo and Benjamin Koch | Extended BMT equations and the anomalous magnetic moment | Added: terms with field gradients, exact solution, discussion on
composite particles and beyond the Standard Model physics | null | null | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a generalized form of the Thomas-Bargmann-Michel-Telegdi
equations. These are first-order in both electric and magnetic fields and
retain the conventional conserved quantities and constraints. Within this novel
phenomenological framework, we delve into an archetypal measurement scenario.
Specifically, we s... | [
{
"created": "Thu, 28 Sep 2023 07:44:23 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Feb 2024 08:25:01 GMT",
"version": "v2"
}
] | 2024-02-07 | [
[
"Asenjo",
"Felipe A.",
""
],
[
"Koch",
"Benjamin",
""
]
] | We propose a generalized form of the Thomas-Bargmann-Michel-Telegdi equations. These are first-order in both electric and magnetic fields and retain the conventional conserved quantities and constraints. Within this novel phenomenological framework, we delve into an archetypal measurement scenario. Specifically, we scr... |
1005.4450 | Jinrui Huang | Mu-Chun Chen, Jinrui Huang | Low Scale Non-universal, Non-anomalous U(1)'_F in a Minimal
Supersymmetric Standard Model | 21 pages, 2 figures; v2: discussion on sparticle mass spectrum
included, 27 pages, 2 figures | Phys.Rev.D82:075006,2010 | 10.1103/PhysRevD.82.075006 | UCI-TR-2010-10 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a non-universal U(1)'_F symmetry combined with the Minimal
Supersymmetric Standard Model. All anomaly cancellation conditions are
satisfied without exotic fields other than three right-handed neutrinos.
Because our model allows all three generations of chiral superfields to have
different U(1)'_F charges, ... | [
{
"created": "Mon, 24 May 2010 23:03:07 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Aug 2010 18:33:52 GMT",
"version": "v2"
}
] | 2014-11-21 | [
[
"Chen",
"Mu-Chun",
""
],
[
"Huang",
"Jinrui",
""
]
] | We propose a non-universal U(1)'_F symmetry combined with the Minimal Supersymmetric Standard Model. All anomaly cancellation conditions are satisfied without exotic fields other than three right-handed neutrinos. Because our model allows all three generations of chiral superfields to have different U(1)'_F charges, up... |
1811.10078 | Massimiliano Alvioli | Massimiliano Alvioli, Mark Strikman | Spin-isospin correlated configurations in complex nuclei and neutron
skin effect in W$^\pm$ production in high-energy proton-lead collisions | 27 pages, 11 figures. This version was accepted for publication by
Physical Review C, 5 August 2019. Additional files and information at
http://sites.psu.edu/color | Phys. Rev. C 100, 024912 (2019) | 10.1103/PhysRevC.100.024912 | null | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We extend our Monte Carlo generator of global configurations in nuclei to
include different spatial distributions of protons and neutrons in heavy nuclei
taking into account the difference of spatial correlations between two protons,
two neutrons and proton-neutron pairs. These configurations are used for
building an... | [
{
"created": "Sun, 25 Nov 2018 19:42:40 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Aug 2019 20:56:47 GMT",
"version": "v2"
}
] | 2019-09-04 | [
[
"Alvioli",
"Massimiliano",
""
],
[
"Strikman",
"Mark",
""
]
] | We extend our Monte Carlo generator of global configurations in nuclei to include different spatial distributions of protons and neutrons in heavy nuclei taking into account the difference of spatial correlations between two protons, two neutrons and proton-neutron pairs. These configurations are used for building an e... |
2111.15402 | Yukinao Akamatsu | Yukinao Akamatsu, Takahiro Miura | Nonequilibrium evolution of quarkonium in medium | 11 pages, 3 figures, Proceedings for "A Virtual Tribute to Quark
Confinement and the Hadron Spectrum" (August 2nd-6th 2021, online) | null | 10.1051/epjconf/202225801006 | null | hep-ph cond-mat.quant-gas nucl-ex nucl-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review recent progress in open quantum system approach to the description
of quarkonium in the quark-gluon plasma. A particular emphasis is put on the
Lindblad equations for quarkonium and its numerical simulations.
| [
{
"created": "Tue, 30 Nov 2021 13:48:10 GMT",
"version": "v1"
}
] | 2022-02-16 | [
[
"Akamatsu",
"Yukinao",
""
],
[
"Miura",
"Takahiro",
""
]
] | We review recent progress in open quantum system approach to the description of quarkonium in the quark-gluon plasma. A particular emphasis is put on the Lindblad equations for quarkonium and its numerical simulations. |
0905.2847 | Daijiro Suematsu | Hiroki Fukuoka, Jisuke Kubo and Daijiro Suematsu | Anomaly Induced Dark Matter Decay and PAMELA/ATIC Experiments | 14 pages, 3 figures, figures included, some references added | Phys.Lett.B678:401-406,2009 | 10.1016/j.physletb.2009.06.048 | KANAZAWA-09-06 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The cosmic ray data of PAMELA/ATIC may be explained by dark matter decay with
a decay rate $\tau_{DM}^{-1}\sim 10^{-26}{sec}^{-1} \sim 10^{-45}{eV}$, an
energy scale which could not be understood within the framework of the standard
model or its simple supersymmetric extension. We propose anomaly induced dark
matter ... | [
{
"created": "Mon, 18 May 2009 09:52:43 GMT",
"version": "v1"
},
{
"created": "Tue, 19 May 2009 10:37:19 GMT",
"version": "v2"
}
] | 2009-09-11 | [
[
"Fukuoka",
"Hiroki",
""
],
[
"Kubo",
"Jisuke",
""
],
[
"Suematsu",
"Daijiro",
""
]
] | The cosmic ray data of PAMELA/ATIC may be explained by dark matter decay with a decay rate $\tau_{DM}^{-1}\sim 10^{-26}{sec}^{-1} \sim 10^{-45}{eV}$, an energy scale which could not be understood within the framework of the standard model or its simple supersymmetric extension. We propose anomaly induced dark matter de... |
2207.02331 | Jo\~ao Tiago Neves Penedo | J. T. Penedo, Jo\~ao Pulido | Baseline and other effects for a sterile neutrino at DUNE | 28 pages, 6 figures, 1 table; one reference and comments added;
matches version published in PRD | Phys. Rev. D 107, 075026 (2023) | 10.1103/PhysRevD.107.075026 | CFTP/22-003 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the sensitivity of the Deep Underground Neutrino Experiment (DUNE)
to a sterile neutrino, combining information from both near and far detectors.
We quantify often-neglected effects which may impact the event rate estimation
in a 3+1 oscillation scenario. In particular, we find that taking into account
the... | [
{
"created": "Tue, 5 Jul 2022 21:52:55 GMT",
"version": "v1"
},
{
"created": "Fri, 26 May 2023 15:08:00 GMT",
"version": "v2"
}
] | 2023-05-29 | [
[
"Penedo",
"J. T.",
""
],
[
"Pulido",
"João",
""
]
] | We analyze the sensitivity of the Deep Underground Neutrino Experiment (DUNE) to a sterile neutrino, combining information from both near and far detectors. We quantify often-neglected effects which may impact the event rate estimation in a 3+1 oscillation scenario. In particular, we find that taking into account the i... |
2208.10526 | Lucian Harland-Lang | L. A. Harland-Lang, M. Tasevsky | A new calculation of semi-exclusive axion-like particle production at
the LHC | 12 pages, 3 figures, version published in PRD | Phys.Rev.D 107 (2023) 3, 033001 | 10.1103/PhysRevD.107.033001 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new calculation of axion-like particle (ALP) production in the
semi-exclusive photon-initiated (PI) channel, that is either with intact
outgoing protons or rapidity gaps present in the final state, and with no
colour flow between the colliding LHC protons. This is the first full treatment
of this process... | [
{
"created": "Mon, 22 Aug 2022 18:09:22 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Feb 2023 14:21:10 GMT",
"version": "v2"
}
] | 2023-02-23 | [
[
"Harland-Lang",
"L. A.",
""
],
[
"Tasevsky",
"M.",
""
]
] | We present a new calculation of axion-like particle (ALP) production in the semi-exclusive photon-initiated (PI) channel, that is either with intact outgoing protons or rapidity gaps present in the final state, and with no colour flow between the colliding LHC protons. This is the first full treatment of this process, ... |
1112.5600 | Stefan Scherer | Stefan Scherer (Johannes Gutenberg University, Mainz) | Baryon chiral perturbation theory | 13 pages, 8 figures, invited talk given at the Third International
Conference on Hadron Physics, TROIA'11, 22 - 25 August 2011, Canakkale,
Turkey | null | 10.1088/1742-6596/348/1/012001 | MKPHT-11-27 | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We provide a short introduction to the one-nucleon sector of chiral
perturbation theory and address the issue of power counting and
renormalization. We discuss the infrared regularization and the extended
on-mass-shell scheme. Both allow for the inclusion of further degrees of
freedom beyond pions and nucleons and th... | [
{
"created": "Fri, 23 Dec 2011 14:52:25 GMT",
"version": "v1"
}
] | 2015-06-03 | [
[
"Scherer",
"Stefan",
"",
"Johannes Gutenberg University, Mainz"
]
] | We provide a short introduction to the one-nucleon sector of chiral perturbation theory and address the issue of power counting and renormalization. We discuss the infrared regularization and the extended on-mass-shell scheme. Both allow for the inclusion of further degrees of freedom beyond pions and nucleons and the ... |
hep-ph/0412292 | Dilip Kumar Ghosh | N. G. Deshpande, D. K. Ghosh | New Source of CP violation in B physics ? | 16 pages, Latex, 2 postscript figures, invited talk presented by N.G.
Deshpande at the 9th Adriatic meeting, Dubrovnik, Croatia, 4-14 September,
2003. With updated references | SpringerProc.Phys.98:345-358,2005 | 10.1007/3-540-26798-0_34 | null | hep-ph | null | In this talk we discuss how the down type left-right squark mixing in
Supersymmetry can induce a new source of CP violation in the time dependent
asymmtries in B --> phi K process. We use QCD improved factorization process to
calculate the hadronic matrix element for the process and find the allowed
parameter space f... | [
{
"created": "Mon, 20 Dec 2004 15:01:34 GMT",
"version": "v1"
},
{
"created": "Thu, 23 Dec 2004 14:30:23 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Deshpande",
"N. G.",
""
],
[
"Ghosh",
"D. K.",
""
]
] | In this talk we discuss how the down type left-right squark mixing in Supersymmetry can induce a new source of CP violation in the time dependent asymmtries in B --> phi K process. We use QCD improved factorization process to calculate the hadronic matrix element for the process and find the allowed parameter space for... |
1911.05737 | Manuel A. Buen-Abad | Manuel A. Buen-Abad, JiJi Fan | Dynamical axion misalignment with small instantons | Published version. 20 pages, 4 figures | null | 10.1007/JHEP12(2019)161 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new mechanism to relax the initial misalignment angle of the QCD
axion and raise the cosmological bound on the axion decay constant. The QCD
axion receives a contribution from small UV instantons during inflation, which
raises its mass to the inflationary Hubble scale. This makes the axion start
rolling ... | [
{
"created": "Wed, 13 Nov 2019 19:00:00 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Jan 2020 15:44:32 GMT",
"version": "v2"
}
] | 2020-01-29 | [
[
"Buen-Abad",
"Manuel A.",
""
],
[
"Fan",
"JiJi",
""
]
] | We present a new mechanism to relax the initial misalignment angle of the QCD axion and raise the cosmological bound on the axion decay constant. The QCD axion receives a contribution from small UV instantons during inflation, which raises its mass to the inflationary Hubble scale. This makes the axion start rolling do... |
0705.4387 | John F. Gunion | Radovan Dermisek and John F. Gunion | The NMSSM Solution to the Fine-Tuning Problem, Precision Electroweak
Constraints and the Largest LEP Higgs Event Excess | 26 pages, 37 figures, published version with minor text and reference
improvements | Phys.Rev.D76:095006,2007 | 10.1103/PhysRevD.76.095006 | null | hep-ph | null | We present an extended study of how the Next to Minimal
Supersymmetric Model easily avoids fine-tuning in electroweak symmetry
breaking for a SM-like light Higgs with mass in the vicinity of $100\gev$, as
beautifully consistent with precision electroweak data, while escaping LEP
constraints due to the dominance of ... | [
{
"created": "Wed, 30 May 2007 00:14:04 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Sep 2007 13:02:04 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Dermisek",
"Radovan",
""
],
[
"Gunion",
"John F.",
""
]
] | We present an extended study of how the Next to Minimal Supersymmetric Model easily avoids fine-tuning in electroweak symmetry breaking for a SM-like light Higgs with mass in the vicinity of $100\gev$, as beautifully consistent with precision electroweak data, while escaping LEP constraints due to the dominance of $h\t... |
1302.4600 | Jian Zhou Mr. | Andreas Sch\"afer, Jian Zhou | Transverse single spin asymmetry in hadronic $\eta_{c,b}$ production | 13 pages, 4 figures | null | 10.1103/PhysRevD.88.014008 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the transverse single spin asymmetry in $\eta_{c,b}$ production in
polarized hadron collisions, employing the collinear twist-3 approach in
combination with the color singlet model. Our main focus lies on the
contribution from the twist-3 Efremov-Teryaev-Qiu-Sterman function. By
extrapolating the derived spi... | [
{
"created": "Tue, 19 Feb 2013 13:08:30 GMT",
"version": "v1"
}
] | 2013-08-09 | [
[
"Schäfer",
"Andreas",
""
],
[
"Zhou",
"Jian",
""
]
] | We study the transverse single spin asymmetry in $\eta_{c,b}$ production in polarized hadron collisions, employing the collinear twist-3 approach in combination with the color singlet model. Our main focus lies on the contribution from the twist-3 Efremov-Teryaev-Qiu-Sterman function. By extrapolating the derived spin ... |
1601.02411 | Daiji Kimura | Hiroaki Kohyama, Diji Kimura, Tomohiro Inagaki | Parameter fitting in three-flavor Nambu--Jona-Lasinio model with various
regularizations | 22 pages, 10 figures | null | 10.1016/j.nuclphysb.2016.03.015 | HUPD-1511 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the three-flavor Nambu--Jona-Lasinio model with various
regularization procedures. We perform parameter fitting in each regularization
and apply the obtained parameter sets to evaluate various physical quantities,
several light meson masses, decay constant and the topological susceptibility.
The model parame... | [
{
"created": "Mon, 11 Jan 2016 12:08:23 GMT",
"version": "v1"
}
] | 2016-05-04 | [
[
"Kohyama",
"Hiroaki",
""
],
[
"Kimura",
"Diji",
""
],
[
"Inagaki",
"Tomohiro",
""
]
] | We study the three-flavor Nambu--Jona-Lasinio model with various regularization procedures. We perform parameter fitting in each regularization and apply the obtained parameter sets to evaluate various physical quantities, several light meson masses, decay constant and the topological susceptibility. The model paramete... |
1303.5098 | Rui Santos | A. Barroso, P.M. Ferreira, I.P. Ivanov and Rui Santos | Metastability bounds on the two Higgs doublet model | 22 pages, 10 figures | null | 10.1007/JHEP06(2013)045 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the two Higgs doublet model, there is the possibility that the vacuum
where the universe resides in is metastable. We present the tree-level bounds
on the scalar potential parameters which have to be obeyed to prevent that
situation. Analytical expressions for those bounds are shown for the most used
potential, th... | [
{
"created": "Wed, 20 Mar 2013 21:00:07 GMT",
"version": "v1"
}
] | 2015-06-15 | [
[
"Barroso",
"A.",
""
],
[
"Ferreira",
"P. M.",
""
],
[
"Ivanov",
"I. P.",
""
],
[
"Santos",
"Rui",
""
]
] | In the two Higgs doublet model, there is the possibility that the vacuum where the universe resides in is metastable. We present the tree-level bounds on the scalar potential parameters which have to be obeyed to prevent that situation. Analytical expressions for those bounds are shown for the most used potential, that... |
1502.06929 | Natsumi Nagata | Yann Mambrini, Natsumi Nagata, Keith A. Olive, Jeremie Quevillon, and
Jiaming Zheng | Dark Matter and Gauge Coupling Unification in Non-supersymmetric SO(10)
Grand Unified Models | 39 pages, 8 figures. Version accepted for publication in Physical
Review D | Phys. Rev. D 91, 095010 (2015) | 10.1103/PhysRevD.91.095010 | LPT-Orsay-15-16, FTPI-MINN-15/06, UMN-TH-3420/15, IPMU15-0020,
KCL-PH-TH/2015-09 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Unlike minimal SU(5), SO(10) provides a straightforward path towards gauge
coupling unification by modifying the renormalization group evolution of the
gauge couplings above some intermediate scale which may also be related to the
seesaw mechanism for neutrino masses. Unification can be achieved for several
different... | [
{
"created": "Tue, 24 Feb 2015 20:02:52 GMT",
"version": "v1"
},
{
"created": "Sat, 16 May 2015 08:26:38 GMT",
"version": "v2"
}
] | 2015-05-19 | [
[
"Mambrini",
"Yann",
""
],
[
"Nagata",
"Natsumi",
""
],
[
"Olive",
"Keith A.",
""
],
[
"Quevillon",
"Jeremie",
""
],
[
"Zheng",
"Jiaming",
""
]
] | Unlike minimal SU(5), SO(10) provides a straightforward path towards gauge coupling unification by modifying the renormalization group evolution of the gauge couplings above some intermediate scale which may also be related to the seesaw mechanism for neutrino masses. Unification can be achieved for several different c... |
1609.05652 | Carlo Marzo | Elena Accomando, Claudio Coriano, Luigi Delle Rose, Juri Fiaschi,
Carlo Marzo, Stefano Moretti | Search for $Z'$, vacuum (in)stability and hints of high-energy
structures | 6 pages, 9 figures | null | 10.1051/epjconf/201612900007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the high-energy behaviour of a class of anomaly-free abelian
extensions of the Standard Model. We focus on the interplay among the
phenomenological characterisation of the model and the use of precise
renormalisation group methods. Using as boundary conditions regions of the
parameter space at the verge of c... | [
{
"created": "Mon, 19 Sep 2016 10:01:32 GMT",
"version": "v1"
}
] | 2016-12-21 | [
[
"Accomando",
"Elena",
""
],
[
"Coriano",
"Claudio",
""
],
[
"Rose",
"Luigi Delle",
""
],
[
"Fiaschi",
"Juri",
""
],
[
"Marzo",
"Carlo",
""
],
[
"Moretti",
"Stefano",
""
]
] | We study the high-energy behaviour of a class of anomaly-free abelian extensions of the Standard Model. We focus on the interplay among the phenomenological characterisation of the model and the use of precise renormalisation group methods. Using as boundary conditions regions of the parameter space at the verge of cur... |
hep-ph/0012316 | Richard F. Lebed | Richard F. Lebed | On Radiative Weak Annihilation Decays | 10 pages LaTeX, includes macros file and 9 .eps figures. Invited talk
at RADCOR 2000 (5th Int. Symp. on Radiative Corrections), Carmel, CA, Sept.
2000 | null | null | null | hep-ph | null | We discuss a little-studied class of weak decay modes sensitive to only one
quark topology at leading order in G_F: M --> m gamma, where M,m are mesons
with completely distinct flavor quantum numbers. Specifically, they proceed via
the annihilation of the valence quarks through a W and the emission of a single
hard p... | [
{
"created": "Fri, 22 Dec 2000 19:41:22 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lebed",
"Richard F.",
""
]
] | We discuss a little-studied class of weak decay modes sensitive to only one quark topology at leading order in G_F: M --> m gamma, where M,m are mesons with completely distinct flavor quantum numbers. Specifically, they proceed via the annihilation of the valence quarks through a W and the emission of a single hard pho... |
2304.11689 | Tim Engel | Tim Engel | The LBK theorem to all orders | 29 pages, 2 figures, minor corrections | null | 10.1007/JHEP07(2023)177 | FR-PHENO-2023-04 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the soft limit of one-photon radiation at next-to-leading power
(NLP) in the framework of heavy-quark effective theory (HQET) to all orders in
perturbation theory. We establish the soft theorem that for unpolarised
scattering the radiative contribution up to NLP is entirely determined by the
non-radiative am... | [
{
"created": "Sun, 23 Apr 2023 15:43:10 GMT",
"version": "v1"
},
{
"created": "Tue, 25 Jul 2023 13:44:26 GMT",
"version": "v2"
},
{
"created": "Mon, 18 Dec 2023 09:49:32 GMT",
"version": "v3"
}
] | 2023-12-19 | [
[
"Engel",
"Tim",
""
]
] | We study the soft limit of one-photon radiation at next-to-leading power (NLP) in the framework of heavy-quark effective theory (HQET) to all orders in perturbation theory. We establish the soft theorem that for unpolarised scattering the radiative contribution up to NLP is entirely determined by the non-radiative ampl... |
1802.04097 | Enrico Maria Sessolo | Kamila Kowalska, Enrico Maria Sessolo | The discreet charm of higgsino dark matter - a pocket review | 30 pages, 7 figures. Invited review for Advances in High Energy
Physics. v3: References added, matches published version | Adv.High Energy Phys. 2018 (2018) 6828560 | 10.1155/2018/6828560 | null | hep-ph astro-ph.HE hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We give a brief review of the current constraints and prospects for detection
of higgsino dark matter in low-scale supersymmetry. In the first part we argue,
after performing a survey of all potential dark matter particles in the MSSM,
that the (nearly) pure higgsino is the only candidate emerging virtually
unscathed... | [
{
"created": "Mon, 12 Feb 2018 15:13:17 GMT",
"version": "v1"
},
{
"created": "Wed, 11 Apr 2018 08:59:29 GMT",
"version": "v2"
},
{
"created": "Mon, 19 Nov 2018 11:19:55 GMT",
"version": "v3"
}
] | 2018-11-20 | [
[
"Kowalska",
"Kamila",
""
],
[
"Sessolo",
"Enrico Maria",
""
]
] | We give a brief review of the current constraints and prospects for detection of higgsino dark matter in low-scale supersymmetry. In the first part we argue, after performing a survey of all potential dark matter particles in the MSSM, that the (nearly) pure higgsino is the only candidate emerging virtually unscathed f... |
hep-ph/9904388 | Katri Huitu | K. Huitu, P. N. Pandita and K. Puolamaki | Phenomenology of light Higgs bosons in supersymmetric left-right models | 29 pages, 4 figures | null | null | HIP-1999-16/TH | hep-ph | null | We carry out a detailed analysis of the light Higgs bosons in supersymmetric
left-right models (SLRM). This includes models with minimal particle content
and those with additional Higgs superfields. We also consider models with
non-renormalizable higher-dimensional terms. We obtain an upper bound on the
mass of the l... | [
{
"created": "Mon, 19 Apr 1999 14:22:59 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Huitu",
"K.",
""
],
[
"Pandita",
"P. N.",
""
],
[
"Puolamaki",
"K.",
""
]
] | We carry out a detailed analysis of the light Higgs bosons in supersymmetric left-right models (SLRM). This includes models with minimal particle content and those with additional Higgs superfields. We also consider models with non-renormalizable higher-dimensional terms. We obtain an upper bound on the mass of the lig... |
1305.1001 | Davide Meloni | Guido Altarelli and Davide Meloni | A non Supersymmetric SO(10) Grand Unified Model for All the Physics
below $M_{GUT}$ | references added, minor changes in the text, version to appear in
JHEP | null | 10.1007/JHEP08(2013)021 | CERN-PH-TH/2013-90, RM3-TH/13-05 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a renormalizable non supersymmetric Grand Unified SO(10) model
which, at the price of a large fine tuning, is compatible with all compelling
phenomenological requirements below the unification scale and thus realizes a
minimal extension of the SM, unified in SO(10) and describing all known physics
below $M... | [
{
"created": "Sun, 5 May 2013 09:41:47 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Jul 2013 09:12:35 GMT",
"version": "v2"
}
] | 2015-06-15 | [
[
"Altarelli",
"Guido",
""
],
[
"Meloni",
"Davide",
""
]
] | We present a renormalizable non supersymmetric Grand Unified SO(10) model which, at the price of a large fine tuning, is compatible with all compelling phenomenological requirements below the unification scale and thus realizes a minimal extension of the SM, unified in SO(10) and describing all known physics below $M_{... |
1505.04960 | Leonardo Tinti | Leonardo Tinti | Latest developments in anisotropic hydrodynamics | Talk presented at Excited QCD 2015,March 8-14, 2015, Tatranska
Lomnica, Slovakia. arXiv admin note: substantial text overlap with
arXiv:1411.7615 | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the leading order of anisotropic hydrodynamics expansion. It has
already been shown that in the (0+1) and (1+1)-dimensional cases it is
consistent with the second order viscous hydrodynamics, and it provides a
striking agreement with the exact solutions of the Boltzmann equation. Quite
recently, a new set ... | [
{
"created": "Tue, 19 May 2015 11:53:55 GMT",
"version": "v1"
}
] | 2015-05-20 | [
[
"Tinti",
"Leonardo",
""
]
] | We discuss the leading order of anisotropic hydrodynamics expansion. It has already been shown that in the (0+1) and (1+1)-dimensional cases it is consistent with the second order viscous hydrodynamics, and it provides a striking agreement with the exact solutions of the Boltzmann equation. Quite recently, a new set of... |
0707.4100 | Alessandro Papa | Francesco Caporale, Alessandro Papa and Agustin Sabio Vera | Collinear improvement of the BFKL kernel in the electroproduction of two
light vector mesons | 14 pages, 4 figures, uses axodraw.sty; four references added; version
published on Eur. Phys. J. C | Eur.Phys.J.C53:525-532,2008 | 10.1140/epjc/s10052-007-0481-6 | null | hep-ph | null | The use of the BFKL kernel improved by the inclusion of subleading terms
generated by renormalization group (RG) analysis has been suggested to cure the
instabilities in the behavior of the BFKL Green's function in the
next-to-leading approximation (NLA). We test the performance of a RG-improved
kernel in the determi... | [
{
"created": "Fri, 27 Jul 2007 12:57:12 GMT",
"version": "v1"
},
{
"created": "Sat, 2 Feb 2008 11:37:30 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Caporale",
"Francesco",
""
],
[
"Papa",
"Alessandro",
""
],
[
"Vera",
"Agustin Sabio",
""
]
] | The use of the BFKL kernel improved by the inclusion of subleading terms generated by renormalization group (RG) analysis has been suggested to cure the instabilities in the behavior of the BFKL Green's function in the next-to-leading approximation (NLA). We test the performance of a RG-improved kernel in the determina... |
1509.08693 | Florian Hebenstreit | Florian Hebenstreit | The inverse problem for Schwinger pair production | 5 pages, 3 figures. Revised version: minor changes and references
added | Phys.Lett.B753:336-340,2016 | 10.1016/j.physletb.2015.12.049 | null | hep-ph quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The production of electron-positron pairs in time-dependent electric fields
(Schwinger mechanism) depends non-linearly on the applied field profile.
Accordingly, the resulting momentum spectrum is extremely sensitive to small
variations of the field parameters. Owing to this non-linear dependence it is
so far unpredi... | [
{
"created": "Tue, 29 Sep 2015 11:29:48 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Dec 2015 17:06:24 GMT",
"version": "v2"
}
] | 2015-12-23 | [
[
"Hebenstreit",
"Florian",
""
]
] | The production of electron-positron pairs in time-dependent electric fields (Schwinger mechanism) depends non-linearly on the applied field profile. Accordingly, the resulting momentum spectrum is extremely sensitive to small variations of the field parameters. Owing to this non-linear dependence it is so far unpredict... |
hep-ph/0410255 | Alejandro Ayala | Alejandro Ayala (ICN-UNAM) | rho^0 mass in a hot hadron gas | 10 pages, 8 figures | null | null | null | hep-ph nucl-th | null | We study the behavior of the rho^0 vector mass during the hadronic phase of
an ultra-relativistic heavy-ion collision at finite temperature. We show that
scattering with the most abundant particles during this stage, namely, pions,
kaons and nucleons, leads to an overall temperature dependent, decrease of the
rho^0 i... | [
{
"created": "Tue, 19 Oct 2004 15:09:42 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ayala",
"Alejandro",
"",
"ICN-UNAM"
]
] | We study the behavior of the rho^0 vector mass during the hadronic phase of an ultra-relativistic heavy-ion collision at finite temperature. We show that scattering with the most abundant particles during this stage, namely, pions, kaons and nucleons, leads to an overall temperature dependent, decrease of the rho^0 int... |
hep-ph/0407272 | Maciej A. Nowak | Maciej A. Nowak | Status of chiral doublers of heavy-light hadrons in light of recent
BaBar Cleo, Belle and Selex D_s states | Based on 2004 talks at Meson04, Rencontre de Moriond, Panda Workshop
and Hanyang Univ. Workshop. A comment on recent D_s(2632) by Selex is added | Int.J.Mod.Phys. A20 (2005) 229-230 | 10.1142/S0217751X05021397 | null | hep-ph | null | We explain the main idea of the chiral doublers scenario, originating from
simultaneous constraints of chiral symmetry and of heavy quark spin symmetry on
effective theories of heavy-light hadrons. In particular we discuss chiral
doublers for mesons, chiral doublers for excited mesons, chiral doublers for
baryons and... | [
{
"created": "Thu, 22 Jul 2004 20:29:49 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Nowak",
"Maciej A.",
""
]
] | We explain the main idea of the chiral doublers scenario, originating from simultaneous constraints of chiral symmetry and of heavy quark spin symmetry on effective theories of heavy-light hadrons. In particular we discuss chiral doublers for mesons, chiral doublers for excited mesons, chiral doublers for baryons and c... |
hep-ph/0102291 | Munier | S. Munier, A.M. Stasto, A.H. Mueller | Impact parameter dependent S-matrix for dipole-proton scattering from
diffractive meson electroproduction | 15 pages, 6 figures | Nucl.Phys. B603 (2001) 427-445 | 10.1016/S0550-3213(01)00168-7 | null | hep-ph | null | We extract the S-matrix element for dipole-proton scattering using the data
on diffractive electroproduction of vector mesons at HERA. By considering the
full t dependence of this process we are able to reliably unfold the profile of
the S-matrix for impact parameter values b>0.3 fm. We show that the results
depend o... | [
{
"created": "Fri, 23 Feb 2001 14:05:27 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Munier",
"S.",
""
],
[
"Stasto",
"A. M.",
""
],
[
"Mueller",
"A. H.",
""
]
] | We extract the S-matrix element for dipole-proton scattering using the data on diffractive electroproduction of vector mesons at HERA. By considering the full t dependence of this process we are able to reliably unfold the profile of the S-matrix for impact parameter values b>0.3 fm. We show that the results depend onl... |
1905.09582 | Kwei-Chou Yang | Kwei-Chou Yang | Thermodynamic Evolution of Secluded Vector Dark Matter: Conventional
WIMPs and Nonconventional WIMPs | 51 pages, 15 figures; some typos and equations corrected | null | 10.1007/JHEP11(2019)048 | CYCU-HEP-19-03 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The secluded dark matter resides within a hidden sector and self-annihilates
into lighter mediators which subsequently decay to the Standard Model (SM)
particles. Depending on the coupling strength of the mediator to the SM, the
hidden sector can be kinetically decoupled from the SM bath when the
temperature drops be... | [
{
"created": "Thu, 23 May 2019 10:52:55 GMT",
"version": "v1"
},
{
"created": "Thu, 19 Sep 2019 16:30:05 GMT",
"version": "v2"
},
{
"created": "Thu, 24 Oct 2019 14:00:50 GMT",
"version": "v3"
},
{
"created": "Thu, 16 Jan 2020 18:33:24 GMT",
"version": "v4"
},
{
"c... | 2022-09-27 | [
[
"Yang",
"Kwei-Chou",
""
]
] | The secluded dark matter resides within a hidden sector and self-annihilates into lighter mediators which subsequently decay to the Standard Model (SM) particles. Depending on the coupling strength of the mediator to the SM, the hidden sector can be kinetically decoupled from the SM bath when the temperature drops belo... |
2311.08292 | Yingsheng Huang | Feng Feng, Yingsheng Huang, Yu Jia, Wen-Long Sang, De-Shan Yang and
Jia-Yue Zhang | Photoproduction of fully-charmed tetraquark at electron-ion colliders | 12 pages, 1 table, 3 figures | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work we investigate the inclusive photoproduction of the $C$-odd
$S$-wave fully-charmed tetraquark at electron-ion colliders within the
nonrelativistic QCD (NRQCD) factorization framework, at the lowest order in
velocity and $\alpha_s$. The value of the NRQCD long-distance matrix element is
estimated from two... | [
{
"created": "Tue, 14 Nov 2023 16:38:35 GMT",
"version": "v1"
}
] | 2023-11-15 | [
[
"Feng",
"Feng",
""
],
[
"Huang",
"Yingsheng",
""
],
[
"Jia",
"Yu",
""
],
[
"Sang",
"Wen-Long",
""
],
[
"Yang",
"De-Shan",
""
],
[
"Zhang",
"Jia-Yue",
""
]
] | In this work we investigate the inclusive photoproduction of the $C$-odd $S$-wave fully-charmed tetraquark at electron-ion colliders within the nonrelativistic QCD (NRQCD) factorization framework, at the lowest order in velocity and $\alpha_s$. The value of the NRQCD long-distance matrix element is estimated from two p... |
2112.11802 | Shubhalaxmi Rath | Shubhalaxmi Rath and Sadhana Dash | Effects of weak magnetic field and finite chemical potential on the
transport of charge and heat in hot QCD matter | 33 pages, 11 figures | null | null | null | hep-ph hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We have studied the effects of weak magnetic field and finite chemical
potential on the transport of charge and heat in hot QCD matter by estimating
their respective response functions, such as the electrical conductivity
($\sigma_{\rm el}$), the Hall conductivity ($\sigma_{\rm H}$), the thermal
conductivity ($\kappa... | [
{
"created": "Wed, 22 Dec 2021 11:17:40 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Apr 2022 12:27:35 GMT",
"version": "v2"
},
{
"created": "Tue, 31 Jan 2023 14:52:27 GMT",
"version": "v3"
},
{
"created": "Sat, 11 Feb 2023 06:41:06 GMT",
"version": "v4"
}
] | 2023-02-14 | [
[
"Rath",
"Shubhalaxmi",
""
],
[
"Dash",
"Sadhana",
""
]
] | We have studied the effects of weak magnetic field and finite chemical potential on the transport of charge and heat in hot QCD matter by estimating their respective response functions, such as the electrical conductivity ($\sigma_{\rm el}$), the Hall conductivity ($\sigma_{\rm H}$), the thermal conductivity ($\kappa_0... |
0710.1793 | Anton Godizov | A.A. Godizov, V.A. Petrov | Nonlinearity of vacuum reggeons and exclusive diffractive production of
vector mesons at HERA | 25 pages, 12 figures | Phys.Rev.D78:034028,2008 | 10.1103/PhysRevD.78.034028 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The processes of exclusive photo- and electroproduction of vector mesons
$\rho^0$(770), $\phi$(1020) and $J/\psi$(3096) at collision energies $30
GeV<W<300 GeV$ and transferred momenta squared $0<-t<2 GeV^2$ are considered in
the framework of a phenomenological Regge-eikonal scheme with nonlinear Regge
trajectories i... | [
{
"created": "Tue, 9 Oct 2007 16:10:26 GMT",
"version": "v1"
},
{
"created": "Wed, 10 Oct 2007 13:01:36 GMT",
"version": "v2"
},
{
"created": "Wed, 23 Apr 2008 16:07:42 GMT",
"version": "v3"
},
{
"created": "Wed, 3 Sep 2008 06:18:59 GMT",
"version": "v4"
}
] | 2008-11-26 | [
[
"Godizov",
"A. A.",
""
],
[
"Petrov",
"V. A.",
""
]
] | The processes of exclusive photo- and electroproduction of vector mesons $\rho^0$(770), $\phi$(1020) and $J/\psi$(3096) at collision energies $30 GeV<W<300 GeV$ and transferred momenta squared $0<-t<2 GeV^2$ are considered in the framework of a phenomenological Regge-eikonal scheme with nonlinear Regge trajectories in ... |
hep-ph/9812453 | null | R. Fiore, L.L. Jenkovszky, F. Paccanoni | Hadron Diffraction Dissociation and the Triple Pomeron Vertex | 12 pages, LaTeX | Heavy Ion Phys. 9 (1999) 5-14 | null | DFPD 98/TH 50, Unical-TH 5/98 | hep-ph | null | Hadron diffraction dissociation is considered in the dipole Pomeron model
where the Pomeron is represented by a double pole in the J-plane. We find that
unitarity is satisfied without decoupling of the triple Pomeron vertex. The
reaction bar{p}+p --> bar{p}+X is analysed.
| [
{
"created": "Mon, 21 Dec 1998 09:53:56 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Fiore",
"R.",
""
],
[
"Jenkovszky",
"L. L.",
""
],
[
"Paccanoni",
"F.",
""
]
] | Hadron diffraction dissociation is considered in the dipole Pomeron model where the Pomeron is represented by a double pole in the J-plane. We find that unitarity is satisfied without decoupling of the triple Pomeron vertex. The reaction bar{p}+p --> bar{p}+X is analysed. |
1608.02331 | Alexander E. Dorokhov | A. E. Dorokhov, A. E. Radzhabov, A. S. Zhevlakov | The muon g-2: retrospective and future | 9 pages. Contribution to QUARKS-2016, 19th International Seminar on
High Energy Physics, Pushkin, Russia, 29 May - 4 June, 2016 | null | 10.1051/epjconf/201612502007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Soon, new experiments at FNAL and J-PARC will measure the muon anomalous
magnetic moments with better accuracy than before. From theoretical side, the
uncertainty of the standard model prediction is dominated by the hadronic
contributions. Current status of the experimental data and theoretical
calculations are brief... | [
{
"created": "Mon, 8 Aug 2016 06:23:35 GMT",
"version": "v1"
}
] | 2016-11-23 | [
[
"Dorokhov",
"A. E.",
""
],
[
"Radzhabov",
"A. E.",
""
],
[
"Zhevlakov",
"A. S.",
""
]
] | Soon, new experiments at FNAL and J-PARC will measure the muon anomalous magnetic moments with better accuracy than before. From theoretical side, the uncertainty of the standard model prediction is dominated by the hadronic contributions. Current status of the experimental data and theoretical calculations are briefly... |
1812.01599 | Ricardo Cepedello | Cesar Bonilla, Salvador Centelles Chuli\'a, Ricardo Cepedello, Eduardo
Peinado, Rahul Srivastava | Dark matter stability and Dirac neutrinos using only Standard Model
symmetries | 6 pages, 3 figures. Matches published version | Phys. Rev. D 101, 033011 (2020) | 10.1103/PhysRevD.101.033011 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We provide a generic framework to obtain stable dark matter along with
naturally small Dirac neutrino masses generated at the loop level. This is
achieved through the spontaneous breaking of the global $U(1)_{B-L}$ symmetry
already present in Standard Model. The $U(1)_{B-L}$ symmetry is broken down to
a residual even... | [
{
"created": "Tue, 4 Dec 2018 18:55:43 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Mar 2020 10:00:36 GMT",
"version": "v2"
}
] | 2020-03-13 | [
[
"Bonilla",
"Cesar",
""
],
[
"Chuliá",
"Salvador Centelles",
""
],
[
"Cepedello",
"Ricardo",
""
],
[
"Peinado",
"Eduardo",
""
],
[
"Srivastava",
"Rahul",
""
]
] | We provide a generic framework to obtain stable dark matter along with naturally small Dirac neutrino masses generated at the loop level. This is achieved through the spontaneous breaking of the global $U(1)_{B-L}$ symmetry already present in Standard Model. The $U(1)_{B-L}$ symmetry is broken down to a residual even $... |
1805.00700 | Jian Zhang | Jian Zhang and Chong-Xing Yue and Chun-Hua Li | Determinations of form factors for semileptonic $D\rightarrow K$ decays
and leptoquark constraints | null | null | 10.1140/epjc/s10052-018-6184-3 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | By analyzing all existing measurements for $ D\rightarrow K \ell^+ \nu_{\ell}
$ ( $\ell=e,\ \mu$ ) decays, we find that the determinations of both the vector
form factor $f_+^K(q^2)$ and scalar form factor $f_0^K(q^2)$ for semileptonic
$D\rightarrow K$ decays from these measurements are feasible. By taking the
parame... | [
{
"created": "Wed, 2 May 2018 09:55:37 GMT",
"version": "v1"
},
{
"created": "Sun, 2 Sep 2018 14:57:55 GMT",
"version": "v2"
}
] | 2018-09-26 | [
[
"Zhang",
"Jian",
""
],
[
"Yue",
"Chong-Xing",
""
],
[
"Li",
"Chun-Hua",
""
]
] | By analyzing all existing measurements for $ D\rightarrow K \ell^+ \nu_{\ell} $ ( $\ell=e,\ \mu$ ) decays, we find that the determinations of both the vector form factor $f_+^K(q^2)$ and scalar form factor $f_0^K(q^2)$ for semileptonic $D\rightarrow K$ decays from these measurements are feasible. By taking the paramete... |
2205.04016 | Hyun Min Lee | Seong-Sik Kim, Hyun Min Lee, Adriana G. Menkara, Kimiko Yamashita | The $SU(2)_D$ lepton portals for muon $g-2$, $W$ boson mass and dark
matter | 33 pages, 4 figures, v2: references added, v3: version to appear in
Phys. Rev. D | null | 10.1103/PhysRevD.106.015008 | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/4.0/ | We propose a novel model for lepton flavor and dark matter based on the
$SU(2)_D$ gauge symmetry and vector-like leptons in its fundamental
representations. We introduce a dark $SU(2)_D$ Higgs doublet and a Higgs
bi-doublet for the mass mixing between the vector-like lepton and the lepton.
As a result, the seesaw lep... | [
{
"created": "Mon, 9 May 2022 03:05:07 GMT",
"version": "v1"
},
{
"created": "Wed, 11 May 2022 03:09:35 GMT",
"version": "v2"
},
{
"created": "Sun, 26 Jun 2022 00:18:00 GMT",
"version": "v3"
}
] | 2022-07-20 | [
[
"Kim",
"Seong-Sik",
""
],
[
"Lee",
"Hyun Min",
""
],
[
"Menkara",
"Adriana G.",
""
],
[
"Yamashita",
"Kimiko",
""
]
] | We propose a novel model for lepton flavor and dark matter based on the $SU(2)_D$ gauge symmetry and vector-like leptons in its fundamental representations. We introduce a dark $SU(2)_D$ Higgs doublet and a Higgs bi-doublet for the mass mixing between the vector-like lepton and the lepton. As a result, the seesaw lepto... |
1204.5433 | Emanuele Re | Emanuele Re | NLO corrections merged with parton showers for Z+2 jets production using
the POWHEG method | 13+1 pages, 6 figures, 1 reference and 1 appendix added; matches
version accepted for publication in JHEP | null | 10.1007/JHEP10(2012)031 | IPPP/12/13, DCPT/12/26, MCnet/12/03 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present results for the QCD production of Z/{\gamma} + 2 jets matched with
parton showers using the POWHEG method. Some technicalities relevant for the
merging of NLO corrections for this process with parton showers are discussed,
and results for typical distributions are shown, in presence of different sets
of cu... | [
{
"created": "Tue, 24 Apr 2012 17:16:06 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Oct 2012 09:05:17 GMT",
"version": "v2"
}
] | 2015-06-04 | [
[
"Re",
"Emanuele",
""
]
] | We present results for the QCD production of Z/{\gamma} + 2 jets matched with parton showers using the POWHEG method. Some technicalities relevant for the merging of NLO corrections for this process with parton showers are discussed, and results for typical distributions are shown, in presence of different sets of cuts... |
2305.16280 | Ben Stefanek | Joe Davighi and Ben A. Stefanek | Deconstructed Hypercharge: A Natural Model of Flavour | 28 pages, 3 figures, 1 appendix. Version accepted for publication in
JHEP | null | null | ZU-TH 24/23 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The flavour puzzle is one of the greatest mysteries in particle physics. A
`flavour deconstruction' of the electroweak gauge symmetry, by promoting at
least part of it to the product of a third family factor (under which the Higgs
is charged) times a light family factor, allows one to address the flavour
puzzle at a ... | [
{
"created": "Thu, 25 May 2023 17:37:17 GMT",
"version": "v1"
},
{
"created": "Thu, 15 Jun 2023 09:10:00 GMT",
"version": "v2"
},
{
"created": "Thu, 2 Nov 2023 14:20:15 GMT",
"version": "v3"
}
] | 2023-11-03 | [
[
"Davighi",
"Joe",
""
],
[
"Stefanek",
"Ben A.",
""
]
] | The flavour puzzle is one of the greatest mysteries in particle physics. A `flavour deconstruction' of the electroweak gauge symmetry, by promoting at least part of it to the product of a third family factor (under which the Higgs is charged) times a light family factor, allows one to address the flavour puzzle at a lo... |
hep-ph/0409275 | Mustafa Savci | T. M. Aliev, V. Bashiry, M. Savci | Double-lepton polarization asymmetries in Lambda_b -> Lambda l^+ l^-
decay | 26 pages, 12 figures, LaTeX formatted | Eur.Phys.J. C38 (2004) 283-295 | 10.1140/epjc/s2004-02045-6 | metu-phys-hep-0409022 | hep-ph | null | Double-lepton polarization asymmetries in (Lambda_b -> Lambda l^+ l^-) decay
are calculated using a general, model independent form of the effective
Hamiltonian. The sensitivities of these asymmetries to the new Wilson
coefficients are studied in detail. Furthermore, the correlations between
averaged double-lepton po... | [
{
"created": "Thu, 23 Sep 2004 16:56:14 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Aliev",
"T. M.",
""
],
[
"Bashiry",
"V.",
""
],
[
"Savci",
"M.",
""
]
] | Double-lepton polarization asymmetries in (Lambda_b -> Lambda l^+ l^-) decay are calculated using a general, model independent form of the effective Hamiltonian. The sensitivities of these asymmetries to the new Wilson coefficients are studied in detail. Furthermore, the correlations between averaged double-lepton pola... |
1308.0891 | Hyung Do Kim | Dongjin Chway, Radovan Dermisek, Tae Hyun Jung and Hyung Do Kim | Coleman-Weinberg Higgs | 4 pages, 4 figures. Discussion of perturbativity improved. Version
published in PRL except the title | Physical Review Letters 113, 051801 (2014) | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss an extension of the standard model by fields not charged under
standard model gauge symmetry in which the electroweak symmetry breaking is
driven by the Higgs quartic coupling itself without the need for a negative
mass term in the potential. This is achieved by a scalar field S with a large
coupling to th... | [
{
"created": "Mon, 5 Aug 2013 05:25:59 GMT",
"version": "v1"
},
{
"created": "Thu, 31 Jul 2014 13:03:12 GMT",
"version": "v2"
}
] | 2014-08-01 | [
[
"Chway",
"Dongjin",
""
],
[
"Dermisek",
"Radovan",
""
],
[
"Jung",
"Tae Hyun",
""
],
[
"Kim",
"Hyung Do",
""
]
] | We discuss an extension of the standard model by fields not charged under standard model gauge symmetry in which the electroweak symmetry breaking is driven by the Higgs quartic coupling itself without the need for a negative mass term in the potential. This is achieved by a scalar field S with a large coupling to the ... |
0911.5435 | Klaus Lichtenegger | Klaus Lichtenegger, Daniel Zwanziger | Infrared Critical Exponents in Finite-Temperature Coulomb Gauge QCD | 16 pages, 6 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the infrared critical exponents of Coulomb gauge Yang-Mills
theory in the limit of very high temperature. This allows us to focus on one
scale (the spatial momentum) since all but the lowest Matsubara frequency
decouple from the deep infrared. From the first-order Dyson-Schwinger equations
in a bare-ve... | [
{
"created": "Sat, 28 Nov 2009 23:17:21 GMT",
"version": "v1"
}
] | 2009-12-01 | [
[
"Lichtenegger",
"Klaus",
""
],
[
"Zwanziger",
"Daniel",
""
]
] | We investigate the infrared critical exponents of Coulomb gauge Yang-Mills theory in the limit of very high temperature. This allows us to focus on one scale (the spatial momentum) since all but the lowest Matsubara frequency decouple from the deep infrared. From the first-order Dyson-Schwinger equations in a bare-vert... |
0901.0524 | Mikhail Dubinin | M. Dolgopolov (1), M. Dubinin (2), E. Rykova (1) ((1) Samara State
Univ. (2) Inst.of Nucl.Phys., Moscow State Univ.) | Threshold corrections to the MSSM finite-temperature Higgs potential | Two plots for the criteria v_c/T_c > 1 (strongly first order phase
transition) are added. 32 pages, 22 figures | J.Mod.Phys.2:301-322,2011 | 10.4236/jmp.2011.25039 | null | hep-ph gr-qc | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the minimal supersymmetric standard model (MSSM) the one-loop
finite-temperature corrections from the squark-Higgs bosons sector are
calculated, the effective two-Higgs-doublet potential is reconstructed and
possibilities of the electroweak phase transition in full MSSM ($m_{H^\pm}$,
${\tt tg}\beta$, $A_{t,b}$, $\... | [
{
"created": "Mon, 5 Jan 2009 18:08:21 GMT",
"version": "v1"
},
{
"created": "Tue, 28 Sep 2010 07:04:13 GMT",
"version": "v2"
},
{
"created": "Tue, 31 May 2011 13:57:20 GMT",
"version": "v3"
}
] | 2015-03-13 | [
[
"Dolgopolov",
"M.",
""
],
[
"Dubinin",
"M.",
""
],
[
"Rykova",
"E.",
""
]
] | In the minimal supersymmetric standard model (MSSM) the one-loop finite-temperature corrections from the squark-Higgs bosons sector are calculated, the effective two-Higgs-doublet potential is reconstructed and possibilities of the electroweak phase transition in full MSSM ($m_{H^\pm}$, ${\tt tg}\beta$, $A_{t,b}$, $\mu... |
0802.4229 | Josef Jur\'a\v{n} | Josef Juran, Peter Lichard | Joint description of the e+e- annihilation into both four-pion channels | 4 pages, 4 figures, fit to new experimental data | Phys.Rev.D78:017501,2008 | 10.1103/PhysRevD.78.017501 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The e+e- --> pi+pi-pi0pi0 reaction cross section as a function of the
incident energy is calculated using a model that is an extension of our
recently published model of the e+e- annihilation into four charged pions. The
latter considered the intermediate states with the pi, rho, and a_1 mesons and
fixed the mixing a... | [
{
"created": "Thu, 28 Feb 2008 16:33:16 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Jun 2008 08:07:50 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Juran",
"Josef",
""
],
[
"Lichard",
"Peter",
""
]
] | The e+e- --> pi+pi-pi0pi0 reaction cross section as a function of the incident energy is calculated using a model that is an extension of our recently published model of the e+e- annihilation into four charged pions. The latter considered the intermediate states with the pi, rho, and a_1 mesons and fixed the mixing ang... |
0912.3151 | Federico Mescia DR | A. Andrianov, D. Espriu, F. Mescia and A. Renau | The axion shield | null | Phys.Lett.B684:101-105,2010 | 10.1016/j.physletb.2010.01.005 | ICCUB-09-438 | hep-ph astro-ph.CO astro-ph.HE hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the propagation of a charged particle in a spatially constant,
but time dependent, pseudoscalar background. Physically this pseudoscalar
background could be provided by a relic axion density. The background leads to
an explicit breaking of Lorentz invariance; as a consequence the process p-> p
gamma is... | [
{
"created": "Wed, 16 Dec 2009 14:35:50 GMT",
"version": "v1"
}
] | 2010-03-24 | [
[
"Andrianov",
"A.",
""
],
[
"Espriu",
"D.",
""
],
[
"Mescia",
"F.",
""
],
[
"Renau",
"A.",
""
]
] | We investigate the propagation of a charged particle in a spatially constant, but time dependent, pseudoscalar background. Physically this pseudoscalar background could be provided by a relic axion density. The background leads to an explicit breaking of Lorentz invariance; as a consequence the process p-> p gamma is p... |
1508.06621 | Robert Thorne S | R.S. Thorne, L.A. Harland-Lang, A.D. Martin and P. Motylinski | The Effect of Final HERA inclusive Cross Section Data on MMHT2014 PDFs | 6 pages, to be published in the proceedings of EPS 2015 | null | null | LCTS/2015-26, IPPP/15/54, DCPT/15/108 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the effect of including the HERA run I + II combined cross
section data on the MMHT2014 PDFs. We present the fit quality within the
context of the global fit and when only the HERA data are included. We examine
the changes in both the central values and uncertainties in the PDFs. We find
that the predi... | [
{
"created": "Wed, 26 Aug 2015 19:38:24 GMT",
"version": "v1"
}
] | 2015-08-27 | [
[
"Thorne",
"R. S.",
""
],
[
"Harland-Lang",
"L. A.",
""
],
[
"Martin",
"A. D.",
""
],
[
"Motylinski",
"P.",
""
]
] | We investigate the effect of including the HERA run I + II combined cross section data on the MMHT2014 PDFs. We present the fit quality within the context of the global fit and when only the HERA data are included. We examine the changes in both the central values and uncertainties in the PDFs. We find that the predict... |
hep-ph/0401194 | Alfonso Rosado | J. L. Diaz-Cruz, R. Noriega-Papaqui and A. Rosado | Mass matrix Ansatz and lepton flavor violation in the THDM-III | 17 pages, 9 figures | Phys.Rev. D69 (2004) 095002 | 10.1103/PhysRevD.69.095002 | null | hep-ph | null | Predictive Higgs-fermion couplings can be obtained when a specific texture
for the fermion mass matrices is included in the general two-Higgs doublet
model. We derive the form of these couplings in the charged lepton sector using
a Hermitian mass matrix Ansatz with four-texture zeros. The presence of
unconstrained ph... | [
{
"created": "Sat, 24 Jan 2004 19:16:21 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Feb 2004 19:03:59 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Diaz-Cruz",
"J. L.",
""
],
[
"Noriega-Papaqui",
"R.",
""
],
[
"Rosado",
"A.",
""
]
] | Predictive Higgs-fermion couplings can be obtained when a specific texture for the fermion mass matrices is included in the general two-Higgs doublet model. We derive the form of these couplings in the charged lepton sector using a Hermitian mass matrix Ansatz with four-texture zeros. The presence of unconstrained phas... |
2108.03741 | Keping Xie | Keping Xie, John M. Campbell, and Pavel M. Nadolsky | A general-mass scheme for prompt charm production at hadron colliders | Submission to SciPost | null | null | FERMILAB-CONF-21-327-T, PITT-PACC-2115, SMU-HEP-21-08 | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In these proceedings, we apply the recently developed S-ACOT-MPS
factorization scheme at the next-to-leading order to prompt charm production at
hadron colliders. It provides a good agreement with experimental data on charm
meson production measured by LHCb at 7 and 13 TeV. The low-$p_T$ data are on
the margins of th... | [
{
"created": "Sun, 8 Aug 2021 21:54:12 GMT",
"version": "v1"
}
] | 2021-08-10 | [
[
"Xie",
"Keping",
""
],
[
"Campbell",
"John M.",
""
],
[
"Nadolsky",
"Pavel M.",
""
]
] | In these proceedings, we apply the recently developed S-ACOT-MPS factorization scheme at the next-to-leading order to prompt charm production at hadron colliders. It provides a good agreement with experimental data on charm meson production measured by LHCb at 7 and 13 TeV. The low-$p_T$ data are on the margins of the ... |
1803.06478 | Pradipta Ghosh | Pradipta Ghosh | Exploring physics beyond the Standard Electroweak Model in the light of
supersymmetry | 201 Pages. PhD thesis | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this thesis we try to discuss certain phenomenological aspects of an
R-parity violating non-minimal supersymmetric model, called $\mu\nu$SSM. We
show that $\mu\nu$SSM can provide a solution to the $\mu$-problem of
supersymmetry and can simultaneously accommodate the existing three flavour
global data from neutrino... | [
{
"created": "Sat, 17 Mar 2018 07:26:46 GMT",
"version": "v1"
}
] | 2018-03-20 | [
[
"Ghosh",
"Pradipta",
""
]
] | In this thesis we try to discuss certain phenomenological aspects of an R-parity violating non-minimal supersymmetric model, called $\mu\nu$SSM. We show that $\mu\nu$SSM can provide a solution to the $\mu$-problem of supersymmetry and can simultaneously accommodate the existing three flavour global data from neutrino e... |
1210.6136 | Alka Upadhyay | M. Batra and A. Upadhyay | Strange and nonstrange sea quark-gluon effects in nucleons | 11 Pages, No figures, Nuclear Physics A(Accepted) | Nuclear Physics A, 922, (2014)126 | 10.1016/j.nuclphysa.2013.11.008 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Probabilities of various Fock states with strange and nonstrange quark-gluon
sea contents are calculated to probe the hadronic structure. Particularly for
nucleon, we find various contributions to the low energy properties from
scalar, vector and tensor sea in addition to three valence quarks. We focus on
the importa... | [
{
"created": "Tue, 23 Oct 2012 06:15:40 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Jul 2013 08:28:07 GMT",
"version": "v2"
},
{
"created": "Sat, 16 Nov 2013 03:43:23 GMT",
"version": "v3"
}
] | 2015-06-11 | [
[
"Batra",
"M.",
""
],
[
"Upadhyay",
"A.",
""
]
] | Probabilities of various Fock states with strange and nonstrange quark-gluon sea contents are calculated to probe the hadronic structure. Particularly for nucleon, we find various contributions to the low energy properties from scalar, vector and tensor sea in addition to three valence quarks. We focus on the importanc... |
1812.00470 | Murilo Rangel | E. A. F. Basso, V. P. Goncalves, D. E. Martins, M. S. Rangel | Diffractive gauge boson production at the LHC as a probe of the flavour
content of the Pomeron | 6 pages, 4 figures | Phys. Rev. D 99, 034017 (2019) | 10.1103/PhysRevD.99.034017 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | The production of the $W$ and $Z$ bosons in single diffractive processes at
the LHC is investigated taking into account the ATLAS, CMS and LHCb acceptances
and considering different assumptions for the flavour content of the Pomeron.
The total cross sections and pseudorapidity distributions are estimated for
$pp$ col... | [
{
"created": "Sun, 2 Dec 2018 21:34:57 GMT",
"version": "v1"
}
] | 2019-02-27 | [
[
"Basso",
"E. A. F.",
""
],
[
"Goncalves",
"V. P.",
""
],
[
"Martins",
"D. E.",
""
],
[
"Rangel",
"M. S.",
""
]
] | The production of the $W$ and $Z$ bosons in single diffractive processes at the LHC is investigated taking into account the ATLAS, CMS and LHCb acceptances and considering different assumptions for the flavour content of the Pomeron. The total cross sections and pseudorapidity distributions are estimated for $pp$ colli... |
hep-ph/9608467 | null | Minos Axenides, Andrei Johansen, Holger Bech Nielsen | A ${\bf Z}_2$ Classification for 2D Fermion Level Crossing | latex, 8 pages | Phys.Lett. B396 (1997) 58-63 | 10.1016/S0370-2693(97)00106-8 | NBI-HE-96-45, HUTP-96/A038 | hep-ph | null | We demonstrate that the number of fermionic zero modes of the static
$2$-dimensional Dirac operator in the background of $SU(2)$ static gauge-Higgs
field configurations is a topological invariant modulo four. Static
configurations which are everywhere odd under parity with even-parity pure
gauge behaviour at infinity... | [
{
"created": "Wed, 28 Aug 1996 13:53:07 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Axenides",
"Minos",
""
],
[
"Johansen",
"Andrei",
""
],
[
"Nielsen",
"Holger Bech",
""
]
] | We demonstrate that the number of fermionic zero modes of the static $2$-dimensional Dirac operator in the background of $SU(2)$ static gauge-Higgs field configurations is a topological invariant modulo four. Static configurations which are everywhere odd under parity with even-parity pure gauge behaviour at infinity a... |
1812.04100 | Stephen P. Martin | Stephen P. Martin | Matching relations for decoupling in the Standard Model at two loops and
beyond | 28 pages. v2: references added. v3: minor cosmetic notational change | Phys. Rev. D 99, 033007 (2019) | 10.1103/PhysRevD.99.033007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I discuss the matching relations for the running renormalizable parameters
when the heavy particles (top quark, Higgs scalar, Z and W vector bosons) are
simultaneously decoupled from the Standard Model. The complete two-loop order
matching for the electromagnetic coupling and all light fermion masses are
obtained, au... | [
{
"created": "Mon, 10 Dec 2018 21:21:27 GMT",
"version": "v1"
},
{
"created": "Sat, 15 Dec 2018 22:04:51 GMT",
"version": "v2"
},
{
"created": "Fri, 25 Jan 2019 04:55:33 GMT",
"version": "v3"
}
] | 2019-02-20 | [
[
"Martin",
"Stephen P.",
""
]
] | I discuss the matching relations for the running renormalizable parameters when the heavy particles (top quark, Higgs scalar, Z and W vector bosons) are simultaneously decoupled from the Standard Model. The complete two-loop order matching for the electromagnetic coupling and all light fermion masses are obtained, augm... |
1308.0816 | Ahmad Moursy ElSayed | Alakabha Datta, A. Elsayed, S. Khalil and A. Moursy | Higgs Vacuum Stability in $B-L$ extended Standard Model | 15 pages, 4 figures | Phys. Rev. D 88, 053011 (2013) | 10.1103/PhysRevD.88.053011 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study vacuum stability of B-L extension of the Standard Model (SM) and its
supersymmetric version. We show that the generation of non-vanishing neutrino
masses through TeV inverse seesaw mechanism leads to a cutoff scale of SM Higgs
potential stability of order 10^5 GeV. However, in the non-supersymmetric B-L
mode... | [
{
"created": "Sun, 4 Aug 2013 14:47:25 GMT",
"version": "v1"
}
] | 2013-09-30 | [
[
"Datta",
"Alakabha",
""
],
[
"Elsayed",
"A.",
""
],
[
"Khalil",
"S.",
""
],
[
"Moursy",
"A.",
""
]
] | We study vacuum stability of B-L extension of the Standard Model (SM) and its supersymmetric version. We show that the generation of non-vanishing neutrino masses through TeV inverse seesaw mechanism leads to a cutoff scale of SM Higgs potential stability of order 10^5 GeV. However, in the non-supersymmetric B-L model,... |
1008.3753 | Toshitaka Tatsumi | Toshitaka Tatsumi | Magnetic aspects of QCD at finite density and temperature | 6 pages, 8 figures, Proc. of INPN2010 to appear in J. Phys | J.Phys.Conf.Ser.312:012014,2011 | 10.1088/1742-6596/312/1/012014 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Some magnetic aspects of QCD are discussed at finite density and temperature.
Possibility of spontaneous magnetization is studied within Landau Fermi-liquid
theory, and the important roles of the screening effects for gluon propagation
are elucidated. Static screening for the longitudinal gluons improves the
infrared... | [
{
"created": "Mon, 23 Aug 2010 05:43:25 GMT",
"version": "v1"
}
] | 2011-09-30 | [
[
"Tatsumi",
"Toshitaka",
""
]
] | Some magnetic aspects of QCD are discussed at finite density and temperature. Possibility of spontaneous magnetization is studied within Landau Fermi-liquid theory, and the important roles of the screening effects for gluon propagation are elucidated. Static screening for the longitudinal gluons improves the infrared s... |
2305.17199 | Jorge Igor Jaber-Urquiza | Jorge Jaber-Urquiza and Angel Sanchez | Interaction field strength between a scalar particle and two massless
vector bosons in presence of an external magnetic field | null | null | 10.1103/PhysRevD.107.116024 | null | hep-ph hep-th | http://creativecommons.org/licenses/by-nc-sa/4.0/ | In this work we study the interaction strength among a neutral scalar boson
and two massless vector bosons in presence of an external magnetic field. Based
on global symmetries, we build the general tensor structure amplitude
$\mathcal{M}^{\mu\nu}$, for the process $V^\mu+V^\nu\longrightarrow\phi$, in
terms of the ve... | [
{
"created": "Fri, 26 May 2023 18:48:31 GMT",
"version": "v1"
}
] | 2023-07-12 | [
[
"Jaber-Urquiza",
"Jorge",
""
],
[
"Sanchez",
"Angel",
""
]
] | In this work we study the interaction strength among a neutral scalar boson and two massless vector bosons in presence of an external magnetic field. Based on global symmetries, we build the general tensor structure amplitude $\mathcal{M}^{\mu\nu}$, for the process $V^\mu+V^\nu\longrightarrow\phi$, in terms of the vect... |
hep-ph/0011120 | Xiang-Qian Luo | Xiang-Qian Luo, Eric B. Gregory, Shuo-Hong Guo, Helmut Kroger | QCD at Finite Density | Contribution to the International Workshop on Non-Perturbative
Methods and Lattice QCD, Guangzhou, China, 15-21 May 2000. To be published by
World Scientific (Singapore). Latex (with ws-p8-50x6-00.cls) | null | 10.1142/9789812811370_0015 | null | hep-ph hep-lat nucl-th | null | At sufficiently high temperature and density, quantum chromodynamics (QCD)
predicts phase transition from the hadronic phase to the quark-gluon plasma
phase. Lattice QCD is the most useful tool to investigate this critical
phenomenon, which status is briefly reviewed. The usual problem in the
Lagrangian formulation a... | [
{
"created": "Wed, 8 Nov 2000 23:47:28 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Luo",
"Xiang-Qian",
""
],
[
"Gregory",
"Eric B.",
""
],
[
"Guo",
"Shuo-Hong",
""
],
[
"Kroger",
"Helmut",
""
]
] | At sufficiently high temperature and density, quantum chromodynamics (QCD) predicts phase transition from the hadronic phase to the quark-gluon plasma phase. Lattice QCD is the most useful tool to investigate this critical phenomenon, which status is briefly reviewed. The usual problem in the Lagrangian formulation at ... |
hep-ph/0611339 | Hendrik van Hees | Ralf Rapp, Hendrik van Hees and Trenton Strong | Melting rho Meson and Thermal Dileptons | 3 pages, 4 figures, talk at ISMD06, Paraty, Brazil, 2-9 Sep 2006, to
be published in Brazil. Jour. Phys | Braz.J.Phys.37:779-781,2007 | 10.1590/S0103-97332007000500026 | null | hep-ph nucl-ex nucl-th | null | We give a brief survey of theoretical evaluations of light vector mesons in
hadronic matter, focusing on results from hadronic many-body theory. We
emphasize the importance of imposing model constraints in obtaining reliable
results for the in-medium spectral densities. The latter are subsequently
applied to the calc... | [
{
"created": "Mon, 27 Nov 2006 23:08:38 GMT",
"version": "v1"
}
] | 2011-08-04 | [
[
"Rapp",
"Ralf",
""
],
[
"van Hees",
"Hendrik",
""
],
[
"Strong",
"Trenton",
""
]
] | We give a brief survey of theoretical evaluations of light vector mesons in hadronic matter, focusing on results from hadronic many-body theory. We emphasize the importance of imposing model constraints in obtaining reliable results for the in-medium spectral densities. The latter are subsequently applied to the calcul... |
hep-ph/9512252 | Nicolas Pott | Nicolas Pott | Bremsstrahlung corrections to the decay $b \to s \gamma$ | 23 pages, LaTeX, uses epsf.sty and rotate.sty. 4 figures (uuencoded
postscript) appended as seperate file. A complete postscript version may be
obtained from URL
ftp://feynman.t30.physik.tu-muenchen.de/pub/preprints/tum-93-95.ps.gz Final
version as to appear in Physical Review D. Some minor errors corrected,
... | Phys.Rev. D54 (1996) 938-948 | 10.1103/PhysRevD.54.938 | TUM-T31-93/95 | hep-ph | null | We calculate the O($\alpha_s$) gluon Bremsstrahlung corrections to the
inclusive decay $b \rightarrow s \gamma$, involving the full operator basis
$\hat O_1$ -- $\hat O_8$. Confirming and extending earlier calculations of Ali
and Greub, we give formulas for the total decay width as well as the
perturbative photon spe... | [
{
"created": "Thu, 7 Dec 1995 10:55:06 GMT",
"version": "v1"
},
{
"created": "Fri, 28 Jun 1996 12:06:28 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Pott",
"Nicolas",
""
]
] | We calculate the O($\alpha_s$) gluon Bremsstrahlung corrections to the inclusive decay $b \rightarrow s \gamma$, involving the full operator basis $\hat O_1$ -- $\hat O_8$. Confirming and extending earlier calculations of Ali and Greub, we give formulas for the total decay width as well as the perturbative photon spect... |
1311.7654 | Rodion Kolevatov | Rodion Kolevatov, Konstantin Boreskov | Reaction-diffusion approach in soft diffraction | Prepared for the proceedings of the XXI International Workshop High
Energy Physics and Quantum Field Theory, June 23 -- June 30, 2013, Saint
Petersburg Area, Russia | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We apply the reaction-diffusion (stochastic) approach to the numerical
calculation of the elastic amplitude in the Reggeon Field Theory (RFT) and its
single diffractive cut. Fits to the total, integrated and differential elastic
cross sections with account of all Pomeron loops are reported together with
all-loop calc... | [
{
"created": "Fri, 29 Nov 2013 18:09:06 GMT",
"version": "v1"
}
] | 2013-12-02 | [
[
"Kolevatov",
"Rodion",
""
],
[
"Boreskov",
"Konstantin",
""
]
] | We apply the reaction-diffusion (stochastic) approach to the numerical calculation of the elastic amplitude in the Reggeon Field Theory (RFT) and its single diffractive cut. Fits to the total, integrated and differential elastic cross sections with account of all Pomeron loops are reported together with all-loop calcul... |
hep-ph/0610028 | Davison E. Soper | Zoltan Nagy and Davison E. Soper | Numerical integration of one-loop Feynman diagrams for N-photon
amplitudes | 30 pages including 5 figures. This is a revised version that is close
to the published version | Phys.Rev.D74:093006,2006 | 10.1103/PhysRevD.74.093006 | CERN-PH-TH/2006-193 | hep-ph | null | In the calculation of cross sections for infrared-safe observables in high
energy collisions at next-to-leading order, one approach is to perform all of
the integrations, including the virtual loop integration numerically. One would
use a subtraction scheme that removes infrared and collinear divergences from
the int... | [
{
"created": "Tue, 3 Oct 2006 01:28:10 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jan 2007 00:37:32 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Nagy",
"Zoltan",
""
],
[
"Soper",
"Davison E.",
""
]
] | In the calculation of cross sections for infrared-safe observables in high energy collisions at next-to-leading order, one approach is to perform all of the integrations, including the virtual loop integration numerically. One would use a subtraction scheme that removes infrared and collinear divergences from the integ... |
hep-ph/0409032 | Erhan Iltan | E. O. Iltan | Lepton flavor violating $Z\to l_1^+ l_2^-$ decay in the general two
Higgs Doublet model with the inclusion of non-universal extra dimensions | 21 pages, 7 Figures | Eur.Phys.J.C41:233-243,2005 | 10.1140/epjc/s2005-02174-4 | null | hep-ph | null | We predict the branching ratios of Z -> e^{\pm} \mu^{\pm}, Z -> e^{\pm}
\tau^{\pm} and Z -> \mu^{\pm} \tau^{\pm} decays in the model III version of the
two Higgs doublet model, with the inclusion of one and two spatial
non-universal extra dimensions. We observe that the the branching ratios are
not sensitive to a sin... | [
{
"created": "Fri, 3 Sep 2004 09:21:13 GMT",
"version": "v1"
},
{
"created": "Sat, 19 Feb 2005 19:40:01 GMT",
"version": "v2"
}
] | 2011-09-13 | [
[
"Iltan",
"E. O.",
""
]
] | We predict the branching ratios of Z -> e^{\pm} \mu^{\pm}, Z -> e^{\pm} \tau^{\pm} and Z -> \mu^{\pm} \tau^{\pm} decays in the model III version of the two Higgs doublet model, with the inclusion of one and two spatial non-universal extra dimensions. We observe that the the branching ratios are not sensitive to a singl... |
2207.09959 | Raymundo Ramos | A. Hammad, Myeonghun Park, Raymundo Ramos and Pankaj Saha | Exploration of Parameter Spaces Assisted by Machine Learning | 25 pages, 8 figures. Added comparisons and more results for 2HDM.
Code and instructions are available on
https://github.com/AHamamd150/MLscanner | Comput.Phys.Commun. 293 (2023) 108902 | 10.1016/j.cpc.2023.108902 | null | hep-ph cs.LG | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We demonstrate two sampling procedures assisted by machine learning models
via regression and classification. The main objective is the use of a neural
network to suggest points likely inside regions of interest, reducing the
number of evaluations of time consuming calculations. We compare results from
this approach ... | [
{
"created": "Wed, 20 Jul 2022 15:09:16 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Aug 2022 15:31:09 GMT",
"version": "v2"
},
{
"created": "Wed, 11 Jan 2023 15:44:21 GMT",
"version": "v3"
}
] | 2023-09-13 | [
[
"Hammad",
"A.",
""
],
[
"Park",
"Myeonghun",
""
],
[
"Ramos",
"Raymundo",
""
],
[
"Saha",
"Pankaj",
""
]
] | We demonstrate two sampling procedures assisted by machine learning models via regression and classification. The main objective is the use of a neural network to suggest points likely inside regions of interest, reducing the number of evaluations of time consuming calculations. We compare results from this approach wi... |
2012.09188 | Jiang-Hao Yu | Hao-Lin Li, Zhe Ren, Ming-Lei Xiao, Jiang-Hao Yu, Yu-Hui Zheng | Low Energy Effective Field Theory Operator Basis at $d \le 9$ | 131 pages, 8 tables, corrected minor arithmetic error in counting, no
revision on form of operators | null | 10.1007/JHEP06(2021)138 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We obtain the complete operator bases at mass dimensions 5, 6, 7, 8, 9 for
the low energy effective field theory (LEFT), which parametrize various physics
effects between the QCD scale and the electroweak scale. The independence of
the operator basis regarding the equation of motion, integration by parts and
flavor r... | [
{
"created": "Wed, 16 Dec 2020 19:00:03 GMT",
"version": "v1"
},
{
"created": "Thu, 6 May 2021 08:38:54 GMT",
"version": "v2"
}
] | 2021-07-07 | [
[
"Li",
"Hao-Lin",
""
],
[
"Ren",
"Zhe",
""
],
[
"Xiao",
"Ming-Lei",
""
],
[
"Yu",
"Jiang-Hao",
""
],
[
"Zheng",
"Yu-Hui",
""
]
] | We obtain the complete operator bases at mass dimensions 5, 6, 7, 8, 9 for the low energy effective field theory (LEFT), which parametrize various physics effects between the QCD scale and the electroweak scale. The independence of the operator basis regarding the equation of motion, integration by parts and flavor rel... |
1809.08598 | Joshua Eby | Joshua Eby, Madelyn Leembruggen, Lauren Street, Peter Suranyi, and
L.C.R. Wijewardhana | On Approximation Methods in the Study of Boson Stars | 20 pages, 2 appendices, 4 figures. v2: Citations added, typos
corrected | Phys. Rev. D 98, 123013 (2018) | 10.1103/PhysRevD.98.123013 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the accuracy of the variational method in computing physical
quantities relevant for gravitationally bound Bose-Einstein condensates. Using
a variety of variational ans\"atze found in existing literature, we determine
physical quantities and compare them to exact numerical solutions. We conclude
that a "li... | [
{
"created": "Sun, 23 Sep 2018 13:43:35 GMT",
"version": "v1"
},
{
"created": "Sat, 6 Oct 2018 10:12:26 GMT",
"version": "v2"
}
] | 2018-12-26 | [
[
"Eby",
"Joshua",
""
],
[
"Leembruggen",
"Madelyn",
""
],
[
"Street",
"Lauren",
""
],
[
"Suranyi",
"Peter",
""
],
[
"Wijewardhana",
"L. C. R.",
""
]
] | We analyze the accuracy of the variational method in computing physical quantities relevant for gravitationally bound Bose-Einstein condensates. Using a variety of variational ans\"atze found in existing literature, we determine physical quantities and compare them to exact numerical solutions. We conclude that a "line... |
hep-ph/9701400 | null | B. Moussallam | A sum rule approach to the violation of Dashen's theorem | A few corrections and improvements made, the list of references is
more complete | Nucl.Phys. B504 (1997) 381-414 | 10.1016/S0550-3213(97)00464-1 | IPNO/TH 97-03 | hep-ph | null | A classic sum rule by Das et al. is extended to seven of the low-energy
constants $K_i$, introduced by Urech, which parameterize electromagnetic
corrections at chiral order $O(e^2p^2)$. Using the spurion formalism, a simple
convolution representation is shown to hold and the structure in terms of the
chiral renormali... | [
{
"created": "Tue, 28 Jan 1997 16:06:27 GMT",
"version": "v1"
},
{
"created": "Wed, 18 Jun 1997 09:50:30 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Moussallam",
"B.",
""
]
] | A classic sum rule by Das et al. is extended to seven of the low-energy constants $K_i$, introduced by Urech, which parameterize electromagnetic corrections at chiral order $O(e^2p^2)$. Using the spurion formalism, a simple convolution representation is shown to hold and the structure in terms of the chiral renormaliza... |
2112.15214 | Sarunas Verner | Simon Clery, Yann Mambrini, Keith A. Olive, Sarunas Verner | Gravitational portals in the early Universe | 15 pages, 4 figures, 2 tables; v2: fixed the Lagrangian and
production rates | null | 10.1103/PhysRevD.105.075005 | UMN-TH-4110/22, FTPI-MINN-22/02, CERN-TH-2021-222 | hep-ph astro-ph.CO hep-th | http://creativecommons.org/licenses/by/4.0/ | We consider the production of matter and radiation during reheating after
inflation, restricting our attention solely to gravitational interactions.
Processes considered are the exchange of a graviton, $h_{\mu \nu}$, involved in
the scattering of the inflaton or particles in the newly created radiation
bath. In parti... | [
{
"created": "Thu, 30 Dec 2021 21:22:42 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Jan 2022 01:00:02 GMT",
"version": "v2"
}
] | 2022-04-20 | [
[
"Clery",
"Simon",
""
],
[
"Mambrini",
"Yann",
""
],
[
"Olive",
"Keith A.",
""
],
[
"Verner",
"Sarunas",
""
]
] | We consider the production of matter and radiation during reheating after inflation, restricting our attention solely to gravitational interactions. Processes considered are the exchange of a graviton, $h_{\mu \nu}$, involved in the scattering of the inflaton or particles in the newly created radiation bath. In particu... |
2302.10497 | Eugene Levin | Carlos Contreras (UTFSM), Eugene Levin (Tel Aviv U./UTFSM) and Rodrigo
Meneses (U. de Valparaiso) | Homotopy solution to non-linear evolution for heavy nuclei | 20pp and 5 figures in pdf files | null | 10.1103/PhysRevD.107.094030 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In the paper we suggest the homotopy method for solving of the non linear
evolution equation. This method consists of two steps. First is the analytical
solution for the linearized version of the non-linear evolution deep in the
saturation region. Second, the perturbative procedure is suggested to take into
account t... | [
{
"created": "Tue, 21 Feb 2023 07:56:27 GMT",
"version": "v1"
},
{
"created": "Fri, 19 May 2023 07:48:52 GMT",
"version": "v2"
}
] | 2023-06-07 | [
[
"Contreras",
"Carlos",
"",
"UTFSM"
],
[
"Levin",
"Eugene",
"",
"Tel Aviv U./UTFSM"
],
[
"Meneses",
"Rodrigo",
"",
"U. de Valparaiso"
]
] | In the paper we suggest the homotopy method for solving of the non linear evolution equation. This method consists of two steps. First is the analytical solution for the linearized version of the non-linear evolution deep in the saturation region. Second, the perturbative procedure is suggested to take into account the... |
2106.10284 | Tyler Corbett | T. Corbett | The one-loop tadpole in the geoSMEFT | 15 pages (+ appendix + bibliography), 1 Figure | SciPost Phys. 11, 097 (2021) | null | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Making use of the geometric formulation of the Standard Model Effective Field
Theory we calculate the one-loop tadpole diagrams to all orders in the Standard
Model Effective Field Theory power counting. This work represents the first
calculation of a one-loop amplitude beyond leading order in the Standard Model
Effec... | [
{
"created": "Fri, 18 Jun 2021 18:00:01 GMT",
"version": "v1"
}
] | 2022-02-07 | [
[
"Corbett",
"T.",
""
]
] | Making use of the geometric formulation of the Standard Model Effective Field Theory we calculate the one-loop tadpole diagrams to all orders in the Standard Model Effective Field Theory power counting. This work represents the first calculation of a one-loop amplitude beyond leading order in the Standard Model Effecti... |
1901.02761 | Alejandro Segarra | Jose Bernabeu and Alejandro Segarra | Do T asymmetries for neutrino oscillations in uniform matter have a
CP-even component? | 12 pages, 1 figure | null | 10.1007/JHEP03(2019)103 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Observables of neutrino oscillations in matter have, in general,
contributions from the effective matter potential. It contaminates the CP
violation asymmetry adding a fake effect that has been recently disentangled
from the genuine one by their different behavior under T and CPT. Is the
genuine T-odd CPT-invariant c... | [
{
"created": "Wed, 9 Jan 2019 14:34:24 GMT",
"version": "v1"
},
{
"created": "Wed, 13 Feb 2019 15:36:18 GMT",
"version": "v2"
}
] | 2019-05-01 | [
[
"Bernabeu",
"Jose",
""
],
[
"Segarra",
"Alejandro",
""
]
] | Observables of neutrino oscillations in matter have, in general, contributions from the effective matter potential. It contaminates the CP violation asymmetry adding a fake effect that has been recently disentangled from the genuine one by their different behavior under T and CPT. Is the genuine T-odd CPT-invariant com... |
1506.00789 | Seyda Ipek | Seyda Ipek | Galactic Center Gamma Ray Excess and Higgs Boson(s) | 4 pages, 1 figure, contribution to proceedings for Toyama
International Workshop on Higgs as a Probe of New Physics 2015, based on
arxiv:1404.3716 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | There is evidence for an excess of gamma rays with $O({\rm GeV})$ energy
coming from the Galactic Center in data from the Fermi Telescope. The spectrum
of the excess is well fit by 30 GeV dark matter annihilating into a pair of $b$
quarks with a cross section expected from a thermal relic. For an explanation
of this ... | [
{
"created": "Tue, 2 Jun 2015 08:34:14 GMT",
"version": "v1"
}
] | 2015-06-03 | [
[
"Ipek",
"Seyda",
""
]
] | There is evidence for an excess of gamma rays with $O({\rm GeV})$ energy coming from the Galactic Center in data from the Fermi Telescope. The spectrum of the excess is well fit by 30 GeV dark matter annihilating into a pair of $b$ quarks with a cross section expected from a thermal relic. For an explanation of this ex... |
0802.2962 | Enrico Nardi | Sacha Davidson, Enrico Nardi, Yosef Nir | Leptogenesis | 111 pages, 8 figures. Added Sect. 3 on anomalous B+L violation.
Corrected equations (6.30) and (6.31). Added Sect. 9.1 with a simple example
of the effects of flavours. Revised Sect. 10.1 on susy leptogenesis. Added
several references, and other minor improvements. To be published in Physics
Reports | Phys.Rept.466:105-177,2008 | 10.1016/j.physrep.2008.06.002 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Leptogenesis is a class of scenarios where the baryon asymmetry of the
Universe is produced from a lepton asymmetry generated in the decays of a heavy
sterile neutrino. We explain the motivation for leptogenesis. We review the
basic mechanism, and describe subclasses of models. We then focus on recent
developments in... | [
{
"created": "Wed, 20 Feb 2008 23:35:35 GMT",
"version": "v1"
},
{
"created": "Mon, 17 Mar 2008 16:25:15 GMT",
"version": "v2"
},
{
"created": "Fri, 6 Jun 2008 18:05:54 GMT",
"version": "v3"
}
] | 2008-11-26 | [
[
"Davidson",
"Sacha",
""
],
[
"Nardi",
"Enrico",
""
],
[
"Nir",
"Yosef",
""
]
] | Leptogenesis is a class of scenarios where the baryon asymmetry of the Universe is produced from a lepton asymmetry generated in the decays of a heavy sterile neutrino. We explain the motivation for leptogenesis. We review the basic mechanism, and describe subclasses of models. We then focus on recent developments in t... |
hep-ph/9710382 | null | E.P. Venugopal and Barry R. Holstein | Chiral Anomaly and Eta-Eta' Mixing | 12 page standard Latex file, three figures, added comments | Phys.Rev. D57 (1998) 4397-4402 | 10.1103/PhysRevD.57.4397 | null | hep-ph | null | We determine the $\eta-\eta'$ mixing angle via a procedure relatively
independent of theoretical assumptions by simultaneously fitting $\eta- eta'$
reactions involving the anomaly--$\eta,\eta'\to\gamma\gamma, \pi^+\pi^-\gamma$.
We extract reasonably precise renormalized values of the octet and singlet
pseudoscalar de... | [
{
"created": "Thu, 16 Oct 1997 18:56:18 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Oct 1997 19:28:29 GMT",
"version": "v2"
},
{
"created": "Wed, 17 Dec 1997 16:11:22 GMT",
"version": "v3"
}
] | 2009-10-30 | [
[
"Venugopal",
"E. P.",
""
],
[
"Holstein",
"Barry R.",
""
]
] | We determine the $\eta-\eta'$ mixing angle via a procedure relatively independent of theoretical assumptions by simultaneously fitting $\eta- eta'$ reactions involving the anomaly--$\eta,\eta'\to\gamma\gamma, \pi^+\pi^-\gamma$. We extract reasonably precise renormalized values of the octet and singlet pseudoscalar deca... |
1106.0368 | Zhi-Qing Zhang | Zhi-Qing Zhang | Study of scalar meson a_0(1450) from B \to a_0(1450)K^* Decays | 15 Pages, 5 Figures | Phys.Rev.D83:054001,2011 | 10.1103/PhysRevD.83.054001 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/3.0/ | In the two-quark model supposition for the meson $a_0(1450)$, which can be
viewed as either the first excited state (scenario I) or the lowest lying state
(scenario II), the branching ratios and the direct CP-violating asymmetries for
decays $B^-\to a^{0}_0(1450)K^{*-}, a^{-}_0(1450)K^{*0}$ and $\bar B^0\to
a^{+}_0(1... | [
{
"created": "Thu, 2 Jun 2011 06:09:18 GMT",
"version": "v1"
}
] | 2011-06-07 | [
[
"Zhang",
"Zhi-Qing",
""
]
] | In the two-quark model supposition for the meson $a_0(1450)$, which can be viewed as either the first excited state (scenario I) or the lowest lying state (scenario II), the branching ratios and the direct CP-violating asymmetries for decays $B^-\to a^{0}_0(1450)K^{*-}, a^{-}_0(1450)K^{*0}$ and $\bar B^0\to a^{+}_0(145... |
1806.04677 | Marco Gorghetto | Marco Gorghetto, Edward Hardy, Giovanni Villadoro | Axions from Strings: the Attractive Solution | 58 pages, 23 of appendices | null | 10.1007/JHEP07(2018)151 | null | hep-ph astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the system of axion strings that forms in the early Universe if the
Peccei-Quinn symmetry is restored after inflation. Using numerical simulations,
we establish the existence of an asymptotic solution to which the system is
attracted independently of the initial conditions. We study in detail the
properties ... | [
{
"created": "Tue, 12 Jun 2018 18:00:00 GMT",
"version": "v1"
}
] | 2018-08-15 | [
[
"Gorghetto",
"Marco",
""
],
[
"Hardy",
"Edward",
""
],
[
"Villadoro",
"Giovanni",
""
]
] | We study the system of axion strings that forms in the early Universe if the Peccei-Quinn symmetry is restored after inflation. Using numerical simulations, we establish the existence of an asymptotic solution to which the system is attracted independently of the initial conditions. We study in detail the properties of... |
hep-ph/9702419 | Silas Beane | Silas R. Beane | On the importance of testing gravity at distances less than 1cm | 9 pages TeX, 2 eps figures, uses mtexsis.tex and epsf.tex. Entry in
1996 Gravity Research Foundation essay competition. To be published in the
Journal of General Relativity and Gravitation | Gen.Rel.Grav. 29 (1997) 945-951 | 10.1023/A:1018843607120 | null | hep-ph | null | If the mechanism responsible for the smallness of the vacuum energy is
consistent with local quantum field theory, general arguments suggest the
existence of at least one unobserved scalar particle with Compton wavelength
bounded from below by one tenth of a millimeter. We show that this bound is
saturated if vacuum ... | [
{
"created": "Tue, 25 Feb 1997 19:28:47 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Beane",
"Silas R.",
""
]
] | If the mechanism responsible for the smallness of the vacuum energy is consistent with local quantum field theory, general arguments suggest the existence of at least one unobserved scalar particle with Compton wavelength bounded from below by one tenth of a millimeter. We show that this bound is saturated if vacuum en... |
hep-ph/9707424 | Carlos Alberto Salgado Lopez | N. Armesto, M. A. Braun, A. Capella, C. Pajares and C. A. Salgado | Probabilistic versus Field-Theoretical Description of Heavy Flavour
Production off Nuclei | 31 pages, 5 Postscript figures; some errors in numerical calculations
for EMC effect corrected | Nucl.Phys.B509:357-377,1998 | 10.1016/S0550-3213(97)00682-2 | US-FT/22-97 | hep-ph | null | The absorptive corrections resulting from the rescattering of a heavy flavour
(the so-called nuclear absorption) are usually calculated with a probabilistic
formula valid only in the low energy limit. We extend this formula to all
energies using a quantum field theoretical approach. For charmonium and
bottonium we fi... | [
{
"created": "Tue, 22 Jul 1997 14:27:44 GMT",
"version": "v1"
},
{
"created": "Wed, 23 Jul 1997 18:11:11 GMT",
"version": "v2"
}
] | 2011-01-25 | [
[
"Armesto",
"N.",
""
],
[
"Braun",
"M. A.",
""
],
[
"Capella",
"A.",
""
],
[
"Pajares",
"C.",
""
],
[
"Salgado",
"C. A.",
""
]
] | The absorptive corrections resulting from the rescattering of a heavy flavour (the so-called nuclear absorption) are usually calculated with a probabilistic formula valid only in the low energy limit. We extend this formula to all energies using a quantum field theoretical approach. For charmonium and bottonium we find... |
2111.03553 | Gavin Salam | Paolo Nason and Gavin P. Salam | Multiplicative-Accumulative matching of NLO calculations with parton
showers | 11 pages | null | 10.1007/JHEP01(2022)067 | OUTP-21-26P | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We propose a new approach for combining next-to-leading order (NLO) and
parton shower (PS) calculations so as to obtain three core features: (a)
applicability to general showers, as with the MCatNLO and POWHEG methods; (b)
positive-weight events, as with the KrkNLO and POWHEG methods; and (c) all
showering attributed... | [
{
"created": "Fri, 5 Nov 2021 15:17:09 GMT",
"version": "v1"
}
] | 2022-02-02 | [
[
"Nason",
"Paolo",
""
],
[
"Salam",
"Gavin P.",
""
]
] | We propose a new approach for combining next-to-leading order (NLO) and parton shower (PS) calculations so as to obtain three core features: (a) applicability to general showers, as with the MCatNLO and POWHEG methods; (b) positive-weight events, as with the KrkNLO and POWHEG methods; and (c) all showering attributed t... |
hep-ph/0204193 | R. Sekhar Chivukula | R. Sekhar Chivukula, Nick Evans, and Elizabeth H. Simmons | Flavor Physics and Fine-Tuning in Theory Space | 12 pages, two eps figures included. Minor revisions and added
references | Phys.Rev. D66 (2002) 035008 | 10.1103/PhysRevD.66.035008 | BUHEP-02-17 and HUTP-02/A010 | hep-ph | null | Recently a new class of composite Higgs models have been developed which give
rise to naturally light Higgs bosons without supersymmetry. Based on the chiral
symmetries of ``theory space,'' involving replicated gauge groups and
appropriate gauge symmetry breaking patterns, these models allow the scale of
the underlyi... | [
{
"created": "Tue, 16 Apr 2002 19:57:41 GMT",
"version": "v1"
},
{
"created": "Fri, 26 Apr 2002 13:35:29 GMT",
"version": "v2"
},
{
"created": "Mon, 1 Jul 2002 19:36:14 GMT",
"version": "v3"
}
] | 2009-11-07 | [
[
"Chivukula",
"R. Sekhar",
""
],
[
"Evans",
"Nick",
""
],
[
"Simmons",
"Elizabeth H.",
""
]
] | Recently a new class of composite Higgs models have been developed which give rise to naturally light Higgs bosons without supersymmetry. Based on the chiral symmetries of ``theory space,'' involving replicated gauge groups and appropriate gauge symmetry breaking patterns, these models allow the scale of the underlying... |
hep-ph/0407105 | Abderrahim Chafik | H. Boutaleb-J, A. Chafik and A. L. Marrakchi | Supersymmetric hybrid inflation in the braneworld scenario | 8 pages (Latex) | Phys.Lett.B574:89-92,2003 | 10.1016/j.physletb.2003.08.063 | null | hep-ph | null | In this paper we reconsider the supersymmetric hybrid inflation in the
context of the braneworld scenario . The observational bounds are satisfied
with an inflationary energy scale $\mu\simeq 4\times 10^{-4}M_p$, without any
fine-tuning of the coupling parameter, provided that the five-dimensional
Planck scale is $M_... | [
{
"created": "Thu, 8 Jul 2004 17:52:16 GMT",
"version": "v1"
}
] | 2009-12-14 | [
[
"Boutaleb-J",
"H.",
""
],
[
"Chafik",
"A.",
""
],
[
"Marrakchi",
"A. L.",
""
]
] | In this paper we reconsider the supersymmetric hybrid inflation in the context of the braneworld scenario . The observational bounds are satisfied with an inflationary energy scale $\mu\simeq 4\times 10^{-4}M_p$, without any fine-tuning of the coupling parameter, provided that the five-dimensional Planck scale is $M_5\... |
1712.08384 | Pedro Fernando Simoes Costa | M\'arcio Ferreira, Pedro Costa, Constan\c{c}a Provid\^encia | Magnetized QCD phase diagram | Contribution to the International Meeting "Excited QCD", Sintra,
Portugal, 07-13 May 2017 | Acta Phys.Polon.Supp. 10 (2017) no.4, 1197-1202 | 10.5506/APhysPolBSupp.10.1197 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the 2+1 flavor Nambu--Jona-Lasinio (NJL) model with the Polyakov loop,
we determine the structure of the QCD phase diagram in an external magnetic
field. Beyond the usual NJL model with constant couplings, we also consider a
variant with a magnetic field dependent scalar coupling, which reproduces the
Inverse M... | [
{
"created": "Fri, 22 Dec 2017 10:31:51 GMT",
"version": "v1"
}
] | 2017-12-25 | [
[
"Ferreira",
"Márcio",
""
],
[
"Costa",
"Pedro",
""
],
[
"Providência",
"Constança",
""
]
] | Using the 2+1 flavor Nambu--Jona-Lasinio (NJL) model with the Polyakov loop, we determine the structure of the QCD phase diagram in an external magnetic field. Beyond the usual NJL model with constant couplings, we also consider a variant with a magnetic field dependent scalar coupling, which reproduces the Inverse Mag... |
1908.00800 | Yu. A. Simonov | R.A.Abramchuk, M.A.Andreichikov, Z.V Khaidukov, Yu.A.Simonov | Dense Quark-Gluon Plasma in strong magnetic fields | 11 pages, 3 figures | null | 10.1140/epjc/s10052-019-7548-z | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A non-perturbative (np) method of Field Correlators (FCM) was applied to
study QCD at temperatures above the deconfinement transition
($1<T/T_c<3,~T_c\sim0.16~GeV$) and nonzero baryon densities (baryon chemical
potential $\mu_B<0.5~GeV$) in an external uniform magnetic field
($eB<0.5~GeV^2$). Within FCM, the np high-... | [
{
"created": "Fri, 2 Aug 2019 10:59:26 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Dec 2019 14:52:28 GMT",
"version": "v2"
}
] | 2020-01-29 | [
[
"Abramchuk",
"R. A.",
""
],
[
"Andreichikov",
"M. A.",
""
],
[
"Khaidukov",
"Z. V",
""
],
[
"Simonov",
"Yu. A.",
""
]
] | A non-perturbative (np) method of Field Correlators (FCM) was applied to study QCD at temperatures above the deconfinement transition ($1<T/T_c<3,~T_c\sim0.16~GeV$) and nonzero baryon densities (baryon chemical potential $\mu_B<0.5~GeV$) in an external uniform magnetic field ($eB<0.5~GeV^2$). Within FCM, the np high-te... |
1807.05894 | Francesca Bellini | Francesca Bellini and Alexander Philipp Kalweit | Testing coalescence and statistical-thermal production scenarios for
(anti-)(hyper-)nuclei and exotic QCD objects at energies available at the
CERN Large Hadron Collider | Updated to journal version, t/3He ratio included. 20 pages, 4 figures | Phys. Rev. C 99, 054905 (2019) | 10.1103/PhysRevC.99.054905 | null | hep-ph nucl-ex nucl-th | http://creativecommons.org/licenses/by-nc-sa/4.0/ | We present a detailed comparison of coalescence and thermal-statistical
models for the production of (anti-)(hyper-)nuclei in high-energy collisions.
For the first time, such a study is carried out as a function of the size of
the object relative to the size of the particle emitting source. Our study
reveals large di... | [
{
"created": "Mon, 16 Jul 2018 14:41:09 GMT",
"version": "v1"
},
{
"created": "Fri, 28 Sep 2018 15:49:40 GMT",
"version": "v2"
},
{
"created": "Tue, 4 Jun 2019 16:53:40 GMT",
"version": "v3"
}
] | 2019-06-05 | [
[
"Bellini",
"Francesca",
""
],
[
"Kalweit",
"Alexander Philipp",
""
]
] | We present a detailed comparison of coalescence and thermal-statistical models for the production of (anti-)(hyper-)nuclei in high-energy collisions. For the first time, such a study is carried out as a function of the size of the object relative to the size of the particle emitting source. Our study reveals large diff... |
hep-ph/9709257 | Roberto Pittau | F.A. Berends, C.G. Papadopoulos, R. Pittau | On the determination of M_W and TGCs in W-pair production using the best
measured kinematical variables | 7 pages, Latex, 1 figure, published in Phys. Lett. B, reference
added, misprint corrected | Phys.Lett. B417 (1998) 385-389 | 10.1016/S0370-2693(97)01374-9 | CERN-TH/97-224, DEMO-HEP-97/06, PSI-PR-97-26 | hep-ph hep-ex | null | A study is made of the feasibility of maximum likelihood fits to determine
M_W and triple gauge boson couplings using only those experimental kinematical
variables that are well measured. A computational tool to calculate theoretical
probabilities for those kinematical variables is discussed and then applied to
sampl... | [
{
"created": "Fri, 5 Sep 1997 12:34:23 GMT",
"version": "v1"
},
{
"created": "Thu, 6 Nov 1997 17:11:33 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Berends",
"F. A.",
""
],
[
"Papadopoulos",
"C. G.",
""
],
[
"Pittau",
"R.",
""
]
] | A study is made of the feasibility of maximum likelihood fits to determine M_W and triple gauge boson couplings using only those experimental kinematical variables that are well measured. A computational tool to calculate theoretical probabilities for those kinematical variables is discussed and then applied to samples... |
2404.04078 | Alberto Mart\'inez Torres | Brenda B. Malabarba, K. P. Khemchandani, A. Martinez Torres, Seung-il
Nam | Strangeness $+1$ light multiquark baryons: a jinx? | null | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In view of the renewing experimental interest for searching strangeness $+1$
baryons at J-PARC, we study the existence of light baryon resonances with
strangeness +1 generated in the $K$-$(N^*/\Delta^*)$ system, where $N^*$
represents either $N^*(1535)$/$N^*(1650)$/$N^*(1700)$, and $\Delta^*$
corresponds to $\Delta(1... | [
{
"created": "Fri, 5 Apr 2024 13:08:19 GMT",
"version": "v1"
}
] | 2024-04-08 | [
[
"Malabarba",
"Brenda B.",
""
],
[
"Khemchandani",
"K. P.",
""
],
[
"Torres",
"A. Martinez",
""
],
[
"Nam",
"Seung-il",
""
]
] | In view of the renewing experimental interest for searching strangeness $+1$ baryons at J-PARC, we study the existence of light baryon resonances with strangeness +1 generated in the $K$-$(N^*/\Delta^*)$ system, where $N^*$ represents either $N^*(1535)$/$N^*(1650)$/$N^*(1700)$, and $\Delta^*$ corresponds to $\Delta(162... |
1708.08074 | Xia Wan Dr. | Xia Wan | Probe CP violation in $H\to \gamma Z$ through forward-backward asymmetry | 4pages, 3 figures, LHCP2017 proceedings | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We suggest that the forward-backward asymmetry $(A_{FB})$ of the charged
lepton in $gg\to H\to\gamma Z\to\gamma \ell^-\ell^+$ process could be used to
probe the CP violating $H\gamma Z$ coupling when the interference from
$gg\to\gamma Z\to\gamma \ell^-\ell^+$ process is included. With CP violation in
$H\gamma Z$ coup... | [
{
"created": "Sun, 27 Aug 2017 09:54:43 GMT",
"version": "v1"
}
] | 2017-08-29 | [
[
"Wan",
"Xia",
""
]
] | We suggest that the forward-backward asymmetry $(A_{FB})$ of the charged lepton in $gg\to H\to\gamma Z\to\gamma \ell^-\ell^+$ process could be used to probe the CP violating $H\gamma Z$ coupling when the interference from $gg\to\gamma Z\to\gamma \ell^-\ell^+$ process is included. With CP violation in $H\gamma Z$ coupli... |
hep-ph/9807240 | Sachiko Takeuchi | Sachiko Takeuchi | Spin-Orbit Force of Instanton-Induced Interaction in Strange and Charmed
Systems | 22 pages & 2 figures | Nucl.Phys. A642 (1998) 543-561 | 10.1016/S0375-9474(98)00539-9 | null | hep-ph nucl-th | null | Effects of the spin orbit-force on hadronic systems with strangeness or charm
are investigated by a valence quark model with the instanton-induced
interaction. By introducing this interaction, the spin-orbit splittings in the
negative-parity hyperons becomes 0.14 -- 0.37 times smaller. The flavor-octet
baryon mass sp... | [
{
"created": "Fri, 3 Jul 1998 14:16:48 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Takeuchi",
"Sachiko",
""
]
] | Effects of the spin orbit-force on hadronic systems with strangeness or charm are investigated by a valence quark model with the instanton-induced interaction. By introducing this interaction, the spin-orbit splittings in the negative-parity hyperons becomes 0.14 -- 0.37 times smaller. The flavor-octet baryon mass spec... |
2311.17147 | Tanner Trickle | Yonatan Kahn, Jan Sch\"utte-Engel, Tanner Trickle | Searching for High Frequency Gravitational Waves with Phonons | 32 pages, 4 figures | null | null | FERMILAB-PUB-23-668-T, RIKEN-iTHEMS-Report-23 | hep-ph astro-ph.CO astro-ph.IM cond-mat.mtrl-sci gr-qc hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The gravitational wave (GW) spectrum at frequencies above a kHz is a largely
unexplored frontier. We show that detectors with sensitivity to single-phonon
excitations in crystal targets can search for GWs with frequencies,
$\mathrm{THz} \lesssim f \lesssim 100 \, \mathrm{THz}$, corresponding to the
range of optical p... | [
{
"created": "Tue, 28 Nov 2023 19:00:00 GMT",
"version": "v1"
}
] | 2023-11-30 | [
[
"Kahn",
"Yonatan",
""
],
[
"Schütte-Engel",
"Jan",
""
],
[
"Trickle",
"Tanner",
""
]
] | The gravitational wave (GW) spectrum at frequencies above a kHz is a largely unexplored frontier. We show that detectors with sensitivity to single-phonon excitations in crystal targets can search for GWs with frequencies, $\mathrm{THz} \lesssim f \lesssim 100 \, \mathrm{THz}$, corresponding to the range of optical pho... |
hep-ph/0107036 | Silvano Simula | S. Simula, M. Osipenko, G. Ricco and M. Taiuti | Leading and higher twists in the proton polarized structure function at
large Bjorken x | revised version to appear in Phys. Rev. D; extended discussion on the
generalized DHG sum rule | Phys.Rev. D65 (2002) 034017 | 10.1103/PhysRevD.65.034017 | preprint RM3-TH/01-4 | hep-ph nucl-th | null | A phenomenological parameterization of the proton polarized structure
function has been developed for x > 0.02 using deep inelastic data up to ~ 50
(GeV/c)**2 as well as available experimental results on both photo- and
electro-production of proton resonances. According to the new parameterization
the generalized Dre... | [
{
"created": "Wed, 4 Jul 2001 15:22:26 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Nov 2001 08:00:26 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Simula",
"S.",
""
],
[
"Osipenko",
"M.",
""
],
[
"Ricco",
"G.",
""
],
[
"Taiuti",
"M.",
""
]
] | A phenomenological parameterization of the proton polarized structure function has been developed for x > 0.02 using deep inelastic data up to ~ 50 (GeV/c)**2 as well as available experimental results on both photo- and electro-production of proton resonances. According to the new parameterization the generalized Drell... |
hep-ph/0506175 | Federica Bazzocchi | F.Bazzocchi, M.Fabbrichesi, M.Piai | The littlest Higgs is a cruiserweight | 18 pages, 9 figures, RevTex4. Final version accepted for publication
in Phys. Rev. D | Phys.Rev. D72 (2005) 095019 | 10.1103/PhysRevD.72.095019 | null | hep-ph | null | We study the exact (one-loop) effective potential of the littlest Higgs model
and determine the dependence of physical quantities, such as the vacuum
expectation value v_W and mass m_h of the Higgs boson, on the fundamental
parameters of the Lagrangian--masses, couplings of new states, the fundamental
scale f of the ... | [
{
"created": "Fri, 17 Jun 2005 08:56:42 GMT",
"version": "v1"
},
{
"created": "Wed, 16 Nov 2005 09:57:35 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Bazzocchi",
"F.",
""
],
[
"Fabbrichesi",
"M.",
""
],
[
"Piai",
"M.",
""
]
] | We study the exact (one-loop) effective potential of the littlest Higgs model and determine the dependence of physical quantities, such as the vacuum expectation value v_W and mass m_h of the Higgs boson, on the fundamental parameters of the Lagrangian--masses, couplings of new states, the fundamental scale f of the si... |
1309.6201 | Treleani Daniele | Giorgio Calucci, Simona Salvini and Daniele Treleani | Double Parton Scatterings in High-Energy Proton-Nucleus Collisions and
Partonic Correlations | 27 pages, 9 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The joint study of Double Parton Scatterings, in high energy proton-proton
and proton-nucleus collisions, can provide a lot of information on multi-parton
correlations. The multi-parton structure is in fact probed in a different way
by DPS, in $p$-$p$ and in $p$-$A$ collisions. In $p$-$A$ collisions the
interpretatio... | [
{
"created": "Tue, 24 Sep 2013 15:10:54 GMT",
"version": "v1"
},
{
"created": "Mon, 11 Nov 2013 16:34:11 GMT",
"version": "v2"
},
{
"created": "Fri, 13 Dec 2013 08:44:17 GMT",
"version": "v3"
}
] | 2013-12-16 | [
[
"Calucci",
"Giorgio",
""
],
[
"Salvini",
"Simona",
""
],
[
"Treleani",
"Daniele",
""
]
] | The joint study of Double Parton Scatterings, in high energy proton-proton and proton-nucleus collisions, can provide a lot of information on multi-parton correlations. The multi-parton structure is in fact probed in a different way by DPS, in $p$-$p$ and in $p$-$A$ collisions. In $p$-$A$ collisions the interpretation ... |
0711.3065 | Andrei Afanasev | Andrei V. Afanasev | Two-Photon Exchange in Electron-Proton Elastic Scattering: Theory Update | 9 pages, 4 figures; To appear in Proceedings of International
Workshop on Exclusive Reactions at High Momentum Transfer, May 21-24, 2007,
Jefferson Lab, Newport News, VA | null | 10.1142/9789812796950_0040 | JLAB-THY-07-755 | hep-ph | null | Recent theoretical developments in the studies of two-photon exchange effects
in elastic electron-proton scattering are reviewed. Two-photon exchange
mechanism is considered a likely source of discrepancy between polarized and
unpolarized experimental measurements of the proton electric form factor at
momentum transf... | [
{
"created": "Tue, 20 Nov 2007 18:49:09 GMT",
"version": "v1"
},
{
"created": "Wed, 21 Nov 2007 00:56:31 GMT",
"version": "v2"
}
] | 2017-08-23 | [
[
"Afanasev",
"Andrei V.",
""
]
] | Recent theoretical developments in the studies of two-photon exchange effects in elastic electron-proton scattering are reviewed. Two-photon exchange mechanism is considered a likely source of discrepancy between polarized and unpolarized experimental measurements of the proton electric form factor at momentum transfer... |
2106.02451 | Shintaro Ito | Douglas A. Bryman, Shintaro Ito, and Robert Shrock | Upper limits on branching ratios of the lepton-flavor-violating decays
$\tau \to \ell \gamma\gamma$ and $\tau \to \ell X$ | 8 pages, 2 figures | Phys. Rev. 104, 075032 (2021) | 10.1103/PhysRevD.104.075032 | null | hep-ph hep-ex | http://creativecommons.org/publicdomain/zero/1.0/ | From analysis of data produced by the BABAR experiment, the first upper
bounds (90% C.L.) were obtained on the branching ratios $Br(\tau \to e
\gamma\gamma)<2.5 \times 10^{-4}$ and $Br(\tau \to \mu \gamma\gamma)<5.8 \times
10^{-4}$. In addition, improved upper bounds (95% C.L.) were found on branching
ratios $Br(\tau... | [
{
"created": "Tue, 1 Jun 2021 06:56:42 GMT",
"version": "v1"
},
{
"created": "Wed, 4 Aug 2021 01:49:40 GMT",
"version": "v2"
},
{
"created": "Thu, 28 Oct 2021 00:31:10 GMT",
"version": "v3"
},
{
"created": "Fri, 29 Oct 2021 21:57:17 GMT",
"version": "v4"
}
] | 2021-11-02 | [
[
"Bryman",
"Douglas A.",
""
],
[
"Ito",
"Shintaro",
""
],
[
"Shrock",
"Robert",
""
]
] | From analysis of data produced by the BABAR experiment, the first upper bounds (90% C.L.) were obtained on the branching ratios $Br(\tau \to e \gamma\gamma)<2.5 \times 10^{-4}$ and $Br(\tau \to \mu \gamma\gamma)<5.8 \times 10^{-4}$. In addition, improved upper bounds (95% C.L.) were found on branching ratios $Br(\tau \... |
1110.3694 | Sachiko Takeuchi | Sachiko Takeuchi, Kiyotaka Shimizu and Makoto Takizawa | Charmonium and meson-molecule hybrid tetraquarks - Vector meson width
and the isospin breaking in the X(3872) decay | 4 pages, 5figures, proceedings of APFB2011 | null | 10.1007/s00601-012-0404-4 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the X(3872) decay, both of the J/\psi\pi\pi\ and J/\psi\pi\pi\pi\
branching fractions are observed experimentally, and their sizes are comparable
to each other. In order to clarify the mechanism to cause such a large isospin
violation, we investigate X(3872) employing a model of coupled-channel
two-meson scatterin... | [
{
"created": "Mon, 17 Oct 2011 15:20:52 GMT",
"version": "v1"
}
] | 2015-05-30 | [
[
"Takeuchi",
"Sachiko",
""
],
[
"Shimizu",
"Kiyotaka",
""
],
[
"Takizawa",
"Makoto",
""
]
] | In the X(3872) decay, both of the J/\psi\pi\pi\ and J/\psi\pi\pi\pi\ branching fractions are observed experimentally, and their sizes are comparable to each other. In order to clarify the mechanism to cause such a large isospin violation, we investigate X(3872) employing a model of coupled-channel two-meson scattering ... |
1110.5568 | Gaber Faisel Dr | Gaber Faisel | B -> rho K and B -> pi K^* decays in SCET | 7 pages, 5 figures, Invited talk at YongPyong-2011 Conference, South
Korea, February 21-26, 2011 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Exploring hints of New Physics in the decay modes B -> pi K^* and B -> rho K
can shed light on the B -> K pi puzzle. In this talk we discuss supersymmetric
contributions to the direct CP asymmetries of the decays B -> pi K^* and B ->
rho K within Soft Collinear Effective Theory. We consider non-minimal flavor
SUSY co... | [
{
"created": "Tue, 25 Oct 2011 16:37:24 GMT",
"version": "v1"
},
{
"created": "Fri, 28 Oct 2011 07:50:15 GMT",
"version": "v2"
}
] | 2011-10-31 | [
[
"Faisel",
"Gaber",
""
]
] | Exploring hints of New Physics in the decay modes B -> pi K^* and B -> rho K can shed light on the B -> K pi puzzle. In this talk we discuss supersymmetric contributions to the direct CP asymmetries of the decays B -> pi K^* and B -> rho K within Soft Collinear Effective Theory. We consider non-minimal flavor SUSY cont... |
hep-ph/9407380 | Engelbert Quack | J. H\"ufner, S.P. Klevansky, E.Quack and P. Zhuang | Hadronization cross--sections at the chiral phase transition of a quark
plasma | 12 pages, HD-TVP-94-13 | Phys.Lett.B337:30-36,1994 | 10.1016/0370-2693(94)91438-9 | null | hep-ph | null | Hadronization at finite temperature $T$ is discussed in the framework of the
Nambu--Jona-Lasinio model. The differential cross-section for the conversion of
a quark--antiquark pair into two pions to first order in a $1/N_c$ expansion is
calculated as a function of the c.m.~energy $s$ and temperature $T$. In
particula... | [
{
"created": "Tue, 26 Jul 1994 16:49:20 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Hüfner",
"J.",
""
],
[
"Klevansky",
"S. P.",
""
],
[
"Quack",
"E.",
""
],
[
"Zhuang",
"P.",
""
]
] | Hadronization at finite temperature $T$ is discussed in the framework of the Nambu--Jona-Lasinio model. The differential cross-section for the conversion of a quark--antiquark pair into two pions to first order in a $1/N_c$ expansion is calculated as a function of the c.m.~energy $s$ and temperature $T$. In particular,... |
1310.1472 | Peter Kroll | S.V. Goloskokov and P. Kroll | Transversity in exclusive vector-meson leptoproduction | 30 pages, 19 figures | null | 10.1140/epjc/s10052-014-2725-6 | WU B 13-11 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The role of transversity or helicity-flip generalized parton distributions
(GPDs) in leptoproduction of vector mesons is investigated within the framework
of the handbag approach. The transversity GPDs in combination with twist-3
meson wave functions, occur in the amplitudes for transitions from a
transversely polari... | [
{
"created": "Sat, 5 Oct 2013 12:46:46 GMT",
"version": "v1"
}
] | 2015-06-17 | [
[
"Goloskokov",
"S. V.",
""
],
[
"Kroll",
"P.",
""
]
] | The role of transversity or helicity-flip generalized parton distributions (GPDs) in leptoproduction of vector mesons is investigated within the framework of the handbag approach. The transversity GPDs in combination with twist-3 meson wave functions, occur in the amplitudes for transitions from a transversely polarize... |
hep-ph/0509148 | M. V. Libanov | M.V. Libanov and V.A. Rubakov | Lorentz-violating brane worlds and cosmological perturbations | 15 pages, revtex | Phys.Rev. D72 (2005) 123503 | 10.1103/PhysRevD.72.123503 | null | hep-ph astro-ph hep-th | null | We consider an inflating brane-world setup in which 4-dimensional
Lorentz-invariance is violated at high 3-momentum scale $P_{LV} \gg H$, where
$H$ is the inflationary Hubble parameter. We study massless scalar field in
this background as a model for cosmological perturbations. Towards the end of
inflation, the spect... | [
{
"created": "Wed, 14 Sep 2005 15:40:36 GMT",
"version": "v1"
}
] | 2013-05-29 | [
[
"Libanov",
"M. V.",
""
],
[
"Rubakov",
"V. A.",
""
]
] | We consider an inflating brane-world setup in which 4-dimensional Lorentz-invariance is violated at high 3-momentum scale $P_{LV} \gg H$, where $H$ is the inflationary Hubble parameter. We study massless scalar field in this background as a model for cosmological perturbations. Towards the end of inflation, the spectru... |
2304.11797 | Alexander Sushkov | Alexander O. Sushkov | Quantum Science and the Search for Axion Dark Matter | null | PRX Quantum 4, 020101 (2023) | 10.1103/PRXQuantum.4.020101 | null | hep-ph quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The dark matter puzzle is one of the most important open problems in modern
physics. The ultra-light axion is a well-motivated dark matter candidate,
conceived to resolve the strong-CP problem of quantum chromodynamics. Numerous
precision experiments are searching for the three non-gravitational
interactions of axion... | [
{
"created": "Mon, 24 Apr 2023 02:52:56 GMT",
"version": "v1"
}
] | 2023-07-24 | [
[
"Sushkov",
"Alexander O.",
""
]
] | The dark matter puzzle is one of the most important open problems in modern physics. The ultra-light axion is a well-motivated dark matter candidate, conceived to resolve the strong-CP problem of quantum chromodynamics. Numerous precision experiments are searching for the three non-gravitational interactions of axion-l... |
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