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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hep-ph/9307256 | Drew Peterson | Stephen Godfrey and K. Andrew Peterson | Single $W$-Boson Production in $e\gamma$ Collisions | Talk at The 2nd International Workshop on Physics and Experiment with
Linear $e^+e^-$\ Colliders, Waikoloa, Hawaii, Apr. 26-30, 1993, 4 pages,
latex with epsfig and worldsci, OCIP/C-93-08 | null | null | null | hep-ph | null | We studied single $W$ boson production in high energy $e\gamma$ collisions
and the sensitivity of various observables to the $WW\gamma$ vertex. We
included gauge boson decay to final state fermions and all contributions to the
same final state. The contributions of the non-resonant diagrams and their
interference wit... | [
{
"created": "Tue, 13 Jul 1993 04:01:05 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Godfrey",
"Stephen",
""
],
[
"Peterson",
"K. Andrew",
""
]
] | We studied single $W$ boson production in high energy $e\gamma$ collisions and the sensitivity of various observables to the $WW\gamma$ vertex. We included gauge boson decay to final state fermions and all contributions to the same final state. The contributions of the non-resonant diagrams and their interference with ... |
hep-ph/9803394 | null | Arjun Berera, Marcelo Gleiser, Rudnei O. Ramos | Strong Dissipative Behavior in Quantum Field Theory | 45 pages, 5 figures, Latex, In press Phys. Rev. D, minor corrections | Phys.Rev.D58:123508,1998 | 10.1103/PhysRevD.58.123508 | VAND-TH-98-02,DART-HEP-98/02,IF/UERJ-98/10 | hep-ph astro-ph cond-mat gr-qc hep-th | null | We study under which conditions an overdamped regime can be attained in the
dynamic evolution of a quantum field configuration. Using a real-time
formulation of finite temperature field theory, we compute the effective
evolution equation of a scalar field configuration, quadratically interacting
with a given set of o... | [
{
"created": "Thu, 19 Mar 1998 22:51:37 GMT",
"version": "v1"
},
{
"created": "Tue, 31 Mar 1998 21:49:08 GMT",
"version": "v2"
},
{
"created": "Tue, 14 Apr 1998 02:25:23 GMT",
"version": "v3"
},
{
"created": "Wed, 30 Sep 1998 01:31:18 GMT",
"version": "v4"
}
] | 2011-05-05 | [
[
"Berera",
"Arjun",
""
],
[
"Gleiser",
"Marcelo",
""
],
[
"Ramos",
"Rudnei O.",
""
]
] | We study under which conditions an overdamped regime can be attained in the dynamic evolution of a quantum field configuration. Using a real-time formulation of finite temperature field theory, we compute the effective evolution equation of a scalar field configuration, quadratically interacting with a given set of oth... |
hep-ph/9706457 | Martin Beneke | M. Beneke (CERN) | Renormalon Phenomenology: Questions and Directions | 8 pages, LaTeX (To appear in the Proceedings of the Fifth
International Workshop on `Deep Inelastic Scattering and QCD' (DIS'97),
Chicago, IL, April 1997) | null | 10.1063/1.53696 | CERN-TH/97-134 | hep-ph | null | A qualitative (and selective) discussion of current activities and problems
in the field is given.
| [
{
"created": "Mon, 23 Jun 1997 14:19:57 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Beneke",
"M.",
"",
"CERN"
]
] | A qualitative (and selective) discussion of current activities and problems in the field is given. |
1511.07452 | A. H. Rezaeian | Tolga Altinoluk, N\'estor Armesto, Guillaume Beuf, Amir H. Rezaeian | Diffractive Dijet Production in Deep Inelastic Scattering and
Photon-Hadron Collisions in the Color Glass Condensate | 15 pages, 10 figures; v2: a clarifying Appendix added, 3 new plots
added, references added. The version to appear in PLB | Phys.Lett.B758:373-383,2016 | 10.1016/j.physletb.2016.05.032 | null | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study exclusive dijet production in coherent diffractive processes in deep
inelastic scattering and real (and virtual) photon-hadron ($\gamma^{(*)}$-h)
collisions in the Color Glass Condensate formalism at leading order. We show
that the diffractive dijet cross section is sensitive to the color-dipole
orientation ... | [
{
"created": "Mon, 23 Nov 2015 21:01:09 GMT",
"version": "v1"
},
{
"created": "Thu, 12 May 2016 14:56:30 GMT",
"version": "v2"
}
] | 2016-05-24 | [
[
"Altinoluk",
"Tolga",
""
],
[
"Armesto",
"Néstor",
""
],
[
"Beuf",
"Guillaume",
""
],
[
"Rezaeian",
"Amir H.",
""
]
] | We study exclusive dijet production in coherent diffractive processes in deep inelastic scattering and real (and virtual) photon-hadron ($\gamma^{(*)}$-h) collisions in the Color Glass Condensate formalism at leading order. We show that the diffractive dijet cross section is sensitive to the color-dipole orientation in... |
hep-ph/0604200 | Barbara Jager | Barbara Jager, Carlo Oleari, Dieter Zeppenfeld | Next-to-leading order QCD corrections to Z boson pair production via
vector-boson fusion | 12 pages, 4 figures | Phys.Rev.D73:113006,2006 | 10.1103/PhysRevD.73.113006 | Bicocca-FT-06-7, KA-TP-04-2006, SFB/CPP-06-20 | hep-ph | null | Vector-boson fusion processes are an important tool for the study of
electroweak symmetry breaking at hadron colliders, since they allow to
distinguish a light Higgs boson scenario from strong weak boson scattering. We
here consider the channels WW->ZZ and ZZ->ZZ as part of electroweak Z boson
pair production in asso... | [
{
"created": "Mon, 24 Apr 2006 12:48:56 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Jager",
"Barbara",
""
],
[
"Oleari",
"Carlo",
""
],
[
"Zeppenfeld",
"Dieter",
""
]
] | Vector-boson fusion processes are an important tool for the study of electroweak symmetry breaking at hadron colliders, since they allow to distinguish a light Higgs boson scenario from strong weak boson scattering. We here consider the channels WW->ZZ and ZZ->ZZ as part of electroweak Z boson pair production in associ... |
hep-ph/0211354 | G. Moreau | H. K. Dreiner, G. Moreau | Status of a Supersymmetric Flavour Violating Solution to the Solar
Neutrino Puzzle with Three Generations | 17 pages, Latex file | Phys.Rev. D67 (2003) 055005 | 10.1103/PhysRevD.67.055005 | null | hep-ph | null | We present a general study of a three neutrino flavour transition model based
on the supersymmetric interactions which violate R-parity. These interactions
induce flavour violating scattering reactions between solar matter and
neutrinos. The model does not contain any vacuum mass or mixing angle for the
first generat... | [
{
"created": "Fri, 22 Nov 2002 13:56:14 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Dreiner",
"H. K.",
""
],
[
"Moreau",
"G.",
""
]
] | We present a general study of a three neutrino flavour transition model based on the supersymmetric interactions which violate R-parity. These interactions induce flavour violating scattering reactions between solar matter and neutrinos. The model does not contain any vacuum mass or mixing angle for the first generatio... |
hep-ph/0009168 | Andrew Kirk | A. Kirk | The mixing of the f0(1370), f0(1500) and f0(1710) and the search for the
scalar glueball | 4 pages, Latex, 1 Figure. Talk given at ICHEP2000, Osaka, Japan | null | null | BHAM-HEP/00-01 | hep-ph | null | For the first time a complete data set of the two-body decays of the
f0(1370), f0(1500) and f0(1710) into all pseudoscalar mesons is available. The
implications of these data for the flavour content for these three f0 states is
studied. We find that they are in accord with the hypothesis that the scalar
glueball of l... | [
{
"created": "Thu, 14 Sep 2000 11:55:05 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kirk",
"A.",
""
]
] | For the first time a complete data set of the two-body decays of the f0(1370), f0(1500) and f0(1710) into all pseudoscalar mesons is available. The implications of these data for the flavour content for these three f0 states is studied. We find that they are in accord with the hypothesis that the scalar glueball of lat... |
hep-ph/0204330 | Viktor Nikonov | A.V. Anisovich, V.V. Anisovich, M.A. Matveev, V.A. Nikonov | Two-photon partial widths of tensor mesons | 37 pages, 7 figures, epsfig | Phys.Atom.Nucl.66:914-927,2003; Yad.Fiz.66:946-959,2003 | 10.1134/1.1577914 | null | hep-ph | null | We calculate partial widths of the gamma-gamma decay of the tensor q\bar q
states a_2(1320), f_2(1270), f_2(1525), their radial excitations a_2(1660),
f_2(1640), f_2(1800) as well as ^3F_2 q\bar q states. Calculations are
performed in the framework of the same approach which was used before for the
study of radiative... | [
{
"created": "Mon, 29 Apr 2002 08:47:55 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Anisovich",
"A. V.",
""
],
[
"Anisovich",
"V. V.",
""
],
[
"Matveev",
"M. A.",
""
],
[
"Nikonov",
"V. A.",
""
]
] | We calculate partial widths of the gamma-gamma decay of the tensor q\bar q states a_2(1320), f_2(1270), f_2(1525), their radial excitations a_2(1660), f_2(1640), f_2(1800) as well as ^3F_2 q\bar q states. Calculations are performed in the framework of the same approach which was used before for the study of radiative d... |
hep-ph/0702016 | Larry McLerran | Larry McLerran | Some Comments About The High Energy Limit of QCD | null | Acta Phys.Polon.B37:3237-3252,2006 | null | null | hep-ph | null | I argue that the physics of the scattering of very high energy strongly
interacting particles is controlled by a new, universal form of matter, the
Color Glass Condensate. This matter is the dominant contribution to the low x
part of a hadron wavefunction. In collisions, this matter almost
instantaneously turns into ... | [
{
"created": "Thu, 1 Feb 2007 15:47:07 GMT",
"version": "v1"
}
] | 2009-04-22 | [
[
"McLerran",
"Larry",
""
]
] | I argue that the physics of the scattering of very high energy strongly interacting particles is controlled by a new, universal form of matter, the Color Glass Condensate. This matter is the dominant contribution to the low x part of a hadron wavefunction. In collisions, this matter almost instantaneously turns into a ... |
hep-ph/0109081 | Yu. A. Simonov | Yu.A.Simonov (ITEP) | Perturbative expansions in QCD and analytic properties of alpha_s | 38 pages, no figures | Phys.Atom.Nucl.65:135-152,2002; Yad.Fiz.65:140-157,2002 | 10.1134/1.1446565 | null | hep-ph | null | It is shown that analytic properties of standard QCD perturbation theory
contradict known spectral properties,and contain in particular IR generated
ghost poles and cuts. As an outcome the rigorous background perturbation theory
is developed and its analytic properties are shown to be in agreement with
general requir... | [
{
"created": "Mon, 10 Sep 2001 14:31:52 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Simonov",
"Yu. A.",
"",
"ITEP"
]
] | It is shown that analytic properties of standard QCD perturbation theory contradict known spectral properties,and contain in particular IR generated ghost poles and cuts. As an outcome the rigorous background perturbation theory is developed and its analytic properties are shown to be in agreement with general requirem... |
1409.8526 | Johann Felix von Soden-Fraunhofen | Johann Felix von Soden-Fraunhofen | GoSam 2.0: a tool for automated one-loop calculations | 7 pages, 5 figures; contribution to the proceedings of the conference
"ACAT 2014 (Advanced Computing and Analysis Techniques in physics)", Prague,
Czech Republic, September 2014 | null | null | MPP-2014-358 | hep-ph | http://creativecommons.org/licenses/by/3.0/ | We present the version 2.0 of the program package GoSam, which is a public
program package to compute one-loop QCD and/or electroweak corrections to
multi-particle processes within and beyond the Standard Model. The extended
version of the Binoth-Les-Houches-Accord interface to Monte Carlo programs is
also implemente... | [
{
"created": "Tue, 30 Sep 2014 12:56:39 GMT",
"version": "v1"
}
] | 2014-10-01 | [
[
"von Soden-Fraunhofen",
"Johann Felix",
""
]
] | We present the version 2.0 of the program package GoSam, which is a public program package to compute one-loop QCD and/or electroweak corrections to multi-particle processes within and beyond the Standard Model. The extended version of the Binoth-Les-Houches-Accord interface to Monte Carlo programs is also implemented.... |
0909.2413 | Kazem Azizi | T. M. Aliev, K. Azizi, M. Savc{\i} | Magnetic dipole moment of the light tensor mesons in light cone QCD sum
rules | 12 Pages and 1 Table | null | 10.1088/0954-3899/37/7/075008 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The magnetic dipole moments of the light tensor mesons $f_2$, $a_2$ and
strange $K_2^{\ast 0} (1430)$ tensor meson are calculated in the framework of
the light cone QCD sum rules. It is observed that the values of the magnetic
dipole moment for the charged tensor particles are considerably different from
zero. These ... | [
{
"created": "Sun, 13 Sep 2009 11:27:29 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Apr 2010 19:32:18 GMT",
"version": "v2"
}
] | 2015-05-14 | [
[
"Aliev",
"T. M.",
""
],
[
"Azizi",
"K.",
""
],
[
"Savcı",
"M.",
""
]
] | The magnetic dipole moments of the light tensor mesons $f_2$, $a_2$ and strange $K_2^{\ast 0} (1430)$ tensor meson are calculated in the framework of the light cone QCD sum rules. It is observed that the values of the magnetic dipole moment for the charged tensor particles are considerably different from zero. These va... |
2401.08737 | Gilad Perez | Jay Hubisz, Shaked Ironi, Gilad Perez, Rogerio Rosenfeld | A Note on the Quality of Dilatonic Ultralight Dark Matter | 6 pages | null | null | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/4.0/ | Dilatons are pseudo-Nambu-Goldstone bosons arising from the breaking of
conformal invariance. In this letter we point out that in general a dilaton
mass has a power-law dependence on a small parameter related to the explicit
breaking of conformal invariance whereas the ratio between the ultraviolet and
infrared scale... | [
{
"created": "Tue, 16 Jan 2024 18:28:59 GMT",
"version": "v1"
}
] | 2024-01-18 | [
[
"Hubisz",
"Jay",
""
],
[
"Ironi",
"Shaked",
""
],
[
"Perez",
"Gilad",
""
],
[
"Rosenfeld",
"Rogerio",
""
]
] | Dilatons are pseudo-Nambu-Goldstone bosons arising from the breaking of conformal invariance. In this letter we point out that in general a dilaton mass has a power-law dependence on a small parameter related to the explicit breaking of conformal invariance whereas the ratio between the ultraviolet and infrared scales ... |
1212.6590 | Ho-Meoyng Choi | Ho-Meoyng Choi (KNU) and Chueng-Ryong Ji (NCSU) | Relativistic Covariance of Light-Front Few-Body Systems in Hadron
Physics | 4 pages, contribution to the 20th International IUPAP Conference on
Few-Body Problems in Physics, 20 - 25 August, 2012, Fukuoka, Japan | Few Body Syst. 54, 1633 (2013) | 10.1007/s00601-012-0535-7 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the light-front covariance of a vector-meson decay constant using a
manifestly covariant fermion field theory model in $(3+1)$ dimensions. The
light-front zero-mode issues are analyzed in terms of polarization vectors and
method of identifying the zero-mode operator and of obtaining the light-front
covariant... | [
{
"created": "Sat, 29 Dec 2012 05:01:28 GMT",
"version": "v1"
}
] | 2013-08-22 | [
[
"Choi",
"Ho-Meoyng",
"",
"KNU"
],
[
"Ji",
"Chueng-Ryong",
"",
"NCSU"
]
] | We study the light-front covariance of a vector-meson decay constant using a manifestly covariant fermion field theory model in $(3+1)$ dimensions. The light-front zero-mode issues are analyzed in terms of polarization vectors and method of identifying the zero-mode operator and of obtaining the light-front covariant d... |
1502.04021 | Daniel Pitonyak | K. Kanazawa, Y. Koike, A. Metz, D. Pitonyak | Transverse single-spin asymmetries in proton-proton collisions at the
AFTER@LHC experiment | 10 pages, 4 figures; more details/discussion added to the text,
references added/updated, version to appear in Advances in High Energy
Physics for the Special Issue "Physics at a Fixed-Target Experiment Using the
LHC Beams" | null | null | RBRC-1108 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present results for transverse single-spin asymmetries in proton-proton
collisions at kinematics relevant for AFTER, a proposed fixed-target experiment
at the Large Hadron Collider. These include predictions for pion, jet, and
direct photon production from analytical formulas already available in the
literature. W... | [
{
"created": "Fri, 13 Feb 2015 15:14:40 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Mar 2015 17:08:21 GMT",
"version": "v2"
},
{
"created": "Wed, 29 Apr 2015 16:06:05 GMT",
"version": "v3"
}
] | 2015-04-30 | [
[
"Kanazawa",
"K.",
""
],
[
"Koike",
"Y.",
""
],
[
"Metz",
"A.",
""
],
[
"Pitonyak",
"D.",
""
]
] | We present results for transverse single-spin asymmetries in proton-proton collisions at kinematics relevant for AFTER, a proposed fixed-target experiment at the Large Hadron Collider. These include predictions for pion, jet, and direct photon production from analytical formulas already available in the literature. We ... |
1810.08080 | Alfredo Vega Dr. | Alfredo Vega and Francisca Rojas | Confinement potentials for the study of heavy mesons | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a Coulomb potential plus a confinement potential $ A r^{\nu} $
and we study which of the two terms is dominant in the description of
quarkonia. We find that in general the term of confinement is dominant, which
allows us to understand why such potentials, like Martin's potential, are
successful in describ... | [
{
"created": "Thu, 18 Oct 2018 14:32:36 GMT",
"version": "v1"
}
] | 2018-10-19 | [
[
"Vega",
"Alfredo",
""
],
[
"Rojas",
"Francisca",
""
]
] | We consider a Coulomb potential plus a confinement potential $ A r^{\nu} $ and we study which of the two terms is dominant in the description of quarkonia. We find that in general the term of confinement is dominant, which allows us to understand why such potentials, like Martin's potential, are successful in describin... |
2405.03325 | Nikolai Krasnikov | N.V.Krasnikov | Dark matter models with suppressed dark matter nuclei elastic cross
section | 12 pages | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We propose two generalizations of the dark photon model which predict the
suppressed elastic dark matter nuclei cross section in comparison with the
corresponding prediction of the dark photon model. In the first model the main
difference from dark photon model is that the mixing parameter $\epsilon$ is
nonlocal form... | [
{
"created": "Mon, 6 May 2024 10:04:02 GMT",
"version": "v1"
}
] | 2024-05-07 | [
[
"Krasnikov",
"N. V.",
""
]
] | We propose two generalizations of the dark photon model which predict the suppressed elastic dark matter nuclei cross section in comparison with the corresponding prediction of the dark photon model. In the first model the main difference from dark photon model is that the mixing parameter $\epsilon$ is nonlocal formfa... |
1904.05133 | Sangho Kim | Sang-Ho Kim and Seung-il Nam | Pomeron, nucleon-resonance, and $(0^+,0^-,1^+)$-meson contributions in
$\phi$-meson photoproduction | 18 pages, 11 figures | Phys. Rev. C 100, 065208 (2019) | 10.1103/PhysRevC.100.065208 | PKNU-NuHaTh-2019-03 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the reaction mechanism of the $\phi$-meson photoproduction off
the proton target, i.e., $\gamma p\to\phi p$, up to $\sqrt{s}=2.8$ GeV. For
this purpose, we employ an effective Lagrangian approach in the tree-level Born
approximation, and we employ various experimental and theoretical inputs. As a
theor... | [
{
"created": "Wed, 10 Apr 2019 12:23:31 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jul 2019 04:42:43 GMT",
"version": "v2"
},
{
"created": "Tue, 31 Dec 2019 11:09:15 GMT",
"version": "v3"
}
] | 2020-01-01 | [
[
"Kim",
"Sang-Ho",
""
],
[
"Nam",
"Seung-il",
""
]
] | We investigate the reaction mechanism of the $\phi$-meson photoproduction off the proton target, i.e., $\gamma p\to\phi p$, up to $\sqrt{s}=2.8$ GeV. For this purpose, we employ an effective Lagrangian approach in the tree-level Born approximation, and we employ various experimental and theoretical inputs. As a theoret... |
2406.00070 | Vincent Cheung | Vincent Cheung, Ramona Vogt | $J/\psi$ photoproduction and polarization in $e+p$ collisions in the
improved color evaporation model | arXiv admin note: substantial text overlap with arXiv:2102.09118 | null | null | LLNL-JRNL-864888-DRAFT | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the production and polarization of direct $J/\psi$ in the
improved color evaporation model in $e+p$ photoproduction. We present the
production as functions of transverse momentun, mass of the hadronic final
state, and inelasticity. We also present the polarization parameters
$\lambda_\vartheta$, $\lambda... | [
{
"created": "Thu, 30 May 2024 18:37:19 GMT",
"version": "v1"
}
] | 2024-06-04 | [
[
"Cheung",
"Vincent",
""
],
[
"Vogt",
"Ramona",
""
]
] | We calculate the production and polarization of direct $J/\psi$ in the improved color evaporation model in $e+p$ photoproduction. We present the production as functions of transverse momentun, mass of the hadronic final state, and inelasticity. We also present the polarization parameters $\lambda_\vartheta$, $\lambda_{... |
hep-ph/0505220 | Alex Rivero E | Alejandro Rivero (Universidad de Zaragoza), Andre Gsponer | The strange formula of Dr. Koide | 10 pages, 1 figure | null | null | null | hep-ph | null | We present a short historical and bibliographical review of the lepton mass
formula of Yoshio Koide, as well as some speculations on its extensions to
quark and neutrino masses, and its possible relations to more recent
theoretical developments.
| [
{
"created": "Wed, 25 May 2005 16:54:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Rivero",
"Alejandro",
"",
"Universidad de Zaragoza"
],
[
"Gsponer",
"Andre",
""
]
] | We present a short historical and bibliographical review of the lepton mass formula of Yoshio Koide, as well as some speculations on its extensions to quark and neutrino masses, and its possible relations to more recent theoretical developments. |
hep-ph/9803355 | Perivolaropoulos Leandros | M. Axenides (N.C.S.R. Democritos), L. Perivolaropoulos (Department of
Physics, University of Crete), T. Tomaras (Department of Physics, University
of Crete) | Core Phase Structure of Cosmic Strings and Monopoles | 6 pages, Use RevTex | Phys.Rev. D58 (1998) 103512 | 10.1103/PhysRevD.58.103512 | CRETE-98-10 | hep-ph | null | Global and local symmetries may or may not be restored inside topological
defects depending upon the values of the parameters of the model. A detailed
study of this parameter dependence of the core structure of strings and
monopoles is presented in the context of simple models.
| [
{
"created": "Sun, 15 Mar 1998 10:09:03 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Axenides",
"M.",
"",
"N.C.S.R. Democritos"
],
[
"Perivolaropoulos",
"L.",
"",
"Department of\n Physics, University of Crete"
],
[
"Tomaras",
"T.",
"",
"Department of Physics, University\n of Crete"
]
] | Global and local symmetries may or may not be restored inside topological defects depending upon the values of the parameters of the model. A detailed study of this parameter dependence of the core structure of strings and monopoles is presented in the context of simple models. |
2106.16214 | Cheng-Pang Liu | C.-P. Liu, Chih-Pan Wu, Jiunn-Wei Chen, Hsin-Chang Chi, Mukesh K.
Pandey, Lakhwinder Singh, Henry T. Wong | Spin-dependent dark matter-electron interactions | Data files and README are provided in the ancillary folder | null | 10.1103/PhysRevD.106.063003 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Detectors with low thresholds for electron recoil open a new window to direct
searches of sub-GeV dark matter (DM) candidates. In the past decade, many
strong limits on DM-electron interactions have been set, but most on the one
which is spin-independent (SI) of both dark matter and electron spins. In this
work, we s... | [
{
"created": "Wed, 30 Jun 2021 17:10:18 GMT",
"version": "v1"
}
] | 2022-09-21 | [
[
"Liu",
"C. -P.",
""
],
[
"Wu",
"Chih-Pan",
""
],
[
"Chen",
"Jiunn-Wei",
""
],
[
"Chi",
"Hsin-Chang",
""
],
[
"Pandey",
"Mukesh K.",
""
],
[
"Singh",
"Lakhwinder",
""
],
[
"Wong",
"Henry T.",
""
]
] | Detectors with low thresholds for electron recoil open a new window to direct searches of sub-GeV dark matter (DM) candidates. In the past decade, many strong limits on DM-electron interactions have been set, but most on the one which is spin-independent (SI) of both dark matter and electron spins. In this work, we stu... |
hep-ph/9709263 | Alan Kostelecky | Alan Kostelecky | Testing CPT Symmetry | Presented at the Symposium on Flavor-Changing Neutral Currents, Santa
Monica, CA, February 1997 | null | null | IUHET 360, March 1997 | hep-ph | null | In this talk, I review the possibility that CPT and Lorentz symmetry might be
spontaneously broken in nature by effects originating in a theory beyond the
standard model, and I discuss some existing and future experimental tests.
| [
{
"created": "Fri, 5 Sep 1997 18:25:38 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kostelecky",
"Alan",
""
]
] | In this talk, I review the possibility that CPT and Lorentz symmetry might be spontaneously broken in nature by effects originating in a theory beyond the standard model, and I discuss some existing and future experimental tests. |
2005.12283 | Jacky Kumar | Jason Aebischer and Jacky Kumar | Flavour Violating Effects of Yukawa Running in SMEFT | 25 pages and 11 figures | null | 10.1007/JHEP09(2020)187 | UdeM-GPP-TH-19-278 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study Yukawa Renormalization Group (RG) running effects in the context of
the Standard Model Effective Theory (SMEFT).The Yukawa running being flavour
dependent leads to RG-induced off-diagonal entries, so that initially diagonal
Yukawa matrices at the high scale have to be rediagonalized at the electroweak
(EW) s... | [
{
"created": "Mon, 25 May 2020 18:00:01 GMT",
"version": "v1"
}
] | 2020-10-28 | [
[
"Aebischer",
"Jason",
""
],
[
"Kumar",
"Jacky",
""
]
] | We study Yukawa Renormalization Group (RG) running effects in the context of the Standard Model Effective Theory (SMEFT).The Yukawa running being flavour dependent leads to RG-induced off-diagonal entries, so that initially diagonal Yukawa matrices at the high scale have to be rediagonalized at the electroweak (EW) sca... |
hep-ph/0211083 | Dimitar Stamenov | E. Leader (Imperial College, London), D.B. Stamenov (Institute for
Nuclear Research, Sofia) | Can the polarization of the strange quarks in the proton be positive ? | 6 pages, latex, minor changes in the discussion after Eq. (9) | Phys.Rev. D67 (2003) 037503 | 10.1103/PhysRevD.67.037503 | null | hep-ph hep-ex | null | Recently, the HERMES Collaboration at DESY, using a leading order QCD
analysis of their data on semi-inclusive deep inelastic production of charged
hadrons, reported a marginally positive polarization for the strange quarks in
the proton. We argue that a non-negative polarization is almost impossible.
| [
{
"created": "Wed, 6 Nov 2002 17:07:45 GMT",
"version": "v1"
},
{
"created": "Mon, 11 Nov 2002 20:00:27 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Leader",
"E.",
"",
"Imperial College, London"
],
[
"Stamenov",
"D. B.",
"",
"Institute for\n Nuclear Research, Sofia"
]
] | Recently, the HERMES Collaboration at DESY, using a leading order QCD analysis of their data on semi-inclusive deep inelastic production of charged hadrons, reported a marginally positive polarization for the strange quarks in the proton. We argue that a non-negative polarization is almost impossible. |
hep-ph/0603184 | Mikhail Braun | M.A.Braun and C.Pajares | Rapidity and centrality dependence in the percolating colour strings
scenario | 17 pages, 12 figures | Nucl.Phys.A778:217-232,2006 | 10.1016/j.nuclphysa.2006.08.009 | null | hep-ph | null | In AA collisions fusion and percolation of colour strings is studied at fixed
rapidity $y$. Distribution of strings in rapidity is obtained from the observed
rapidity spectra in pp collisions. For $y$-dependence of multiplicities in
Au-Au collisions good agreement is obtained with the existing experimental
data. Pred... | [
{
"created": "Thu, 23 Mar 2006 07:17:01 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Braun",
"M. A.",
""
],
[
"Pajares",
"C.",
""
]
] | In AA collisions fusion and percolation of colour strings is studied at fixed rapidity $y$. Distribution of strings in rapidity is obtained from the observed rapidity spectra in pp collisions. For $y$-dependence of multiplicities in Au-Au collisions good agreement is obtained with the existing experimental data. Predic... |
hep-ph/9510446 | Rik Tangerman | R.D. Tangerman and P.J. Mulders | Twist-three distributions and their appearance in the doubly-polarized
Drell-Yan process | 5 pages, Latex, figures included (uses feynman.tex), talk presented
by R.D. Tangerman at 2nd Meeting on Possible Measurements of Singly Polarized
pp and pn Collisions at HERA (DESY-IfH Zeuthen, Aug 31- Sep 2, 1995) | null | null | NIKHEF 95-051 | hep-ph | null | The twist-three distributions $g_2(x)$ and $h_2(x)$ are defined as
quark-field matrix elements between polarized hadron states. They can be
written in terms of quark-mass and gluonic operators, after which the
Burkhardt-Cottingham sum rule for $g_2$ can be derived and a similar sum rule
for $h_2$. Their role in the D... | [
{
"created": "Mon, 30 Oct 1995 13:23:22 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Tangerman",
"R. D.",
""
],
[
"Mulders",
"P. J.",
""
]
] | The twist-three distributions $g_2(x)$ and $h_2(x)$ are defined as quark-field matrix elements between polarized hadron states. They can be written in terms of quark-mass and gluonic operators, after which the Burkhardt-Cottingham sum rule for $g_2$ can be derived and a similar sum rule for $h_2$. Their role in the Dre... |
1911.11147 | Peter Reimitz | Tilman Plehn, Peter Reimitz, Peter Richardson | Hadronic Footprint of GeV-Mass Dark Matter | 33 pages, 8 figures | SciPost Phys. 8, 092 (2020) | 10.21468/SciPostPhys.8.6.092 | CERN-TH-2019-202, IPPP/19/87 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | GeV-scale dark matter is an increasingly attractive target for direct
detection, indirect detection, and collider searches. Its annihilation into
hadronic final states produces a challenging zoo of light hadronic resonances.
We update Herwig7 to study the photon and positron spectra from annihilation
through a vector... | [
{
"created": "Mon, 25 Nov 2019 19:00:03 GMT",
"version": "v1"
},
{
"created": "Fri, 20 Mar 2020 21:09:06 GMT",
"version": "v2"
},
{
"created": "Fri, 5 Jun 2020 11:02:47 GMT",
"version": "v3"
}
] | 2020-06-24 | [
[
"Plehn",
"Tilman",
""
],
[
"Reimitz",
"Peter",
""
],
[
"Richardson",
"Peter",
""
]
] | GeV-scale dark matter is an increasingly attractive target for direct detection, indirect detection, and collider searches. Its annihilation into hadronic final states produces a challenging zoo of light hadronic resonances. We update Herwig7 to study the photon and positron spectra from annihilation through a vector m... |
hep-ph/9611457 | Sirois | Y. Sirois | Searches for SUSY Particles at HERA | Source (LaTeX), Paper 7 pages, 10 figures (postscript) 4th
International Conference on Supersymmetries in Physics (SUSY 1996), College
Park, Maryland, USA, (May-June 1996) | null | null | H1-10/96-494, X-LPNHE 96-08 | hep-ph | null | Searches at the e-p collider HERA for supersymmetric partners of the Standard
Model fermions are presented. Assuming R-parity conservation, selectrons and
squarks of the Minimal Supersymmetric Standard Model are excluded for masses up
to 65 GeV in a new region of the standard parameter space. Admitting in
addition a ... | [
{
"created": "Thu, 28 Nov 1996 12:16:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Sirois",
"Y.",
""
]
] | Searches at the e-p collider HERA for supersymmetric partners of the Standard Model fermions are presented. Assuming R-parity conservation, selectrons and squarks of the Minimal Supersymmetric Standard Model are excluded for masses up to 65 GeV in a new region of the standard parameter space. Admitting in addition a R-... |
hep-ph/0407083 | Xiao-Gang He | Xiao-Gang He, Xue-Qian Li, and J. P. Ma | Parity, Charge Conjugation and SU(3) Constraints on Threshold
Enhancement in $J/\psi$ decays into $\gamma p\bar p$ and $K p \bar\Lambda$ | Latex 10 pages, no figures, typos corrected | Phys.Rev. D71 (2005) 014031 | 10.1103/PhysRevD.71.014031 | null | hep-ph hep-ex | null | We study the threshold enhancement effects of baryon-anti-baryon systems in
$J/\psi$ decays at BES using parity $P$, charge conjugation $C$, and flavor
SU(3) symmetries. The $P$ and $C$ symmetries restrict the $p\bar p$ in $J/\psi
\to \gamma p\bar p$ to be in a state with $C=+1$, while the $p\bar p$ in
$J/\psi \to \p... | [
{
"created": "Wed, 7 Jul 2004 12:38:38 GMT",
"version": "v1"
},
{
"created": "Mon, 12 Jul 2004 03:11:47 GMT",
"version": "v2"
},
{
"created": "Mon, 1 Nov 2004 08:31:34 GMT",
"version": "v3"
},
{
"created": "Mon, 20 Dec 2004 03:53:49 GMT",
"version": "v4"
}
] | 2009-11-10 | [
[
"He",
"Xiao-Gang",
""
],
[
"Li",
"Xue-Qian",
""
],
[
"Ma",
"J. P.",
""
]
] | We study the threshold enhancement effects of baryon-anti-baryon systems in $J/\psi$ decays at BES using parity $P$, charge conjugation $C$, and flavor SU(3) symmetries. The $P$ and $C$ symmetries restrict the $p\bar p$ in $J/\psi \to \gamma p\bar p$ to be in a state with $C=+1$, while the $p\bar p$ in $J/\psi \to \pi^... |
hep-ph/9811320 | Alexandre Ignatiev | A.Yu.Ignatiev, G.C.Joshi (University of Melbourne) and Kameshwar
C.Wali (Syracuse University) | Black holes with magnetic charge and quantized mass | RevTeX, 11 pages, Invited paper for the first editorial volume of the
book series "Contemporary Fundamental Physics" by the Nova Science Publishers | null | null | UM-P-98/46, RCHEP-98/12 | hep-ph | null | We examine the issue of magnetic charge quantization in the presence of black
holes. It is pointed out that quantization of magnetic charge can lead to the
mass quantization for magnetically charged black holes. We also discuss some
implications for the experimental searches of magnetically charged black holes.
| [
{
"created": "Fri, 13 Nov 1998 09:41:31 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Ignatiev",
"A. Yu.",
"",
"University of Melbourne"
],
[
"Joshi",
"G. C.",
"",
"University of Melbourne"
],
[
"Wali",
"Kameshwar C.",
"",
"Syracuse University"
]
] | We examine the issue of magnetic charge quantization in the presence of black holes. It is pointed out that quantization of magnetic charge can lead to the mass quantization for magnetically charged black holes. We also discuss some implications for the experimental searches of magnetically charged black holes. |
1710.05536 | Shoaib Munir | Waleed Abdallah, Shaaban Khalil, Stefano Moretti, Shoaib Munir | Closing in on the Wino LSP via trilepton searches at the LHC | 22 pages, 8 figures, 4 tables. Exclusion limits from Dark Matter
Indirect Detection also taken into account. Significant improvements in
figures and text. Final results and conclusions unchanged. Version to appear
in JHEP | JHEP 1801 (2018) 155 | 10.1007/JHEP01(2018)155 | KIAS-P17074 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The neutralino dark matter (DM) predicted by the Minimal Supersymmetric
Standard Model (MSSM) has been probed in several search modes at the Large
Hadron Collider (LHC), one of the leading ones among which is the trilepton
plus missing transverse momentum channel. The experimental analysis of this
mode has, however, ... | [
{
"created": "Mon, 16 Oct 2017 06:56:08 GMT",
"version": "v1"
},
{
"created": "Sun, 28 Jan 2018 05:02:21 GMT",
"version": "v2"
}
] | 2018-02-01 | [
[
"Abdallah",
"Waleed",
""
],
[
"Khalil",
"Shaaban",
""
],
[
"Moretti",
"Stefano",
""
],
[
"Munir",
"Shoaib",
""
]
] | The neutralino dark matter (DM) predicted by the Minimal Supersymmetric Standard Model (MSSM) has been probed in several search modes at the Large Hadron Collider (LHC), one of the leading ones among which is the trilepton plus missing transverse momentum channel. The experimental analysis of this mode has, however, be... |
1312.1302 | Qin Chang | Qin Chang, Xin-Qiang Li and Ya-Dong Yang | A Comprehensive Analysis of Hadronic b->s Transitions in a Family
Non-universal Z' Model | 38 pages, 11 figures; To appear in JPG | J. Phys. G 41 (2014) 105002 | 10.1088/0954-3899/41/10/105002 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by the latest improved measurements of B-meson decays, we make a
comprehensive analysis of the impact of a family non-universal $Z^{\prime}$
boson on $B_s-\bar{B}_s$ mixing and two-body hadronic B-meson decays, all being
characterized by the quark-level $b\to s$ transition. Explicitly 22 decay modes
and the... | [
{
"created": "Wed, 4 Dec 2013 19:52:27 GMT",
"version": "v1"
},
{
"created": "Wed, 13 Aug 2014 07:33:29 GMT",
"version": "v2"
}
] | 2014-09-16 | [
[
"Chang",
"Qin",
""
],
[
"Li",
"Xin-Qiang",
""
],
[
"Yang",
"Ya-Dong",
""
]
] | Motivated by the latest improved measurements of B-meson decays, we make a comprehensive analysis of the impact of a family non-universal $Z^{\prime}$ boson on $B_s-\bar{B}_s$ mixing and two-body hadronic B-meson decays, all being characterized by the quark-level $b\to s$ transition. Explicitly 22 decay modes and the r... |
2307.07013 | Mario Fern\'andez Navarro | Marzia Bordone and Mario Fern\'andez Navarro | $\tau_{B_{s}}/\tau_{B_{d}}$ and $\Delta\Gamma_{s}$ confront new physics
in $b\to s\tau\tau$ | 12 pages + Appendix, 4 Figures. v2: Minor discussions added, typos
corrected, conclusions unchanged. Version accepted in EPJC | Eur. Phys. J. C 83 (2023) 842 | 10.1140/epjc/s10052-023-12013-9 | CERN-TH-2023-138 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Several new physics scenarios that address anomalies in $B$-physics predict
an enhancement of $b \rightarrow s \tau \tau$ with respect to its Standard
Model prediction. Such scenarios necessarily imply modifications of the
lifetime ratio $\tau_{B_{s}}/\tau_{B_{d}}$ and the lifetime difference
$\Delta\Gamma_{s}$. In t... | [
{
"created": "Thu, 13 Jul 2023 18:31:02 GMT",
"version": "v1"
},
{
"created": "Fri, 15 Sep 2023 22:40:11 GMT",
"version": "v2"
}
] | 2023-09-26 | [
[
"Bordone",
"Marzia",
""
],
[
"Navarro",
"Mario Fernández",
""
]
] | Several new physics scenarios that address anomalies in $B$-physics predict an enhancement of $b \rightarrow s \tau \tau$ with respect to its Standard Model prediction. Such scenarios necessarily imply modifications of the lifetime ratio $\tau_{B_{s}}/\tau_{B_{d}}$ and the lifetime difference $\Delta\Gamma_{s}$. In thi... |
2202.01434 | Hiromasa Takaura | Yuuki Hayashi, Yukinari Sumino, Hiromasa Takaura | Determination of $|V_{cb}|$ using N$^3$LO perturbative corrections to
$\Gamma(B \to X_c \ell \nu)$ and 1S masses | 14pages, 2 figures, version to appear in PLB | null | 10.1016/j.physletb.2022.137068 | TU--1144, KEK--TH--2394 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We determine $|V_{cb}|$ using the third-order perturbative series for the
inclusive semileptonic $B$ decay width and for the masses of the bottomonium 1S
states. We use the masses of $\eta_b(1S)$ and $\Upsilon(1S)$ as short-distance
masses and point out that there is a sizable difference of $|V_{cb}|$ between
the two... | [
{
"created": "Thu, 3 Feb 2022 06:38:10 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Apr 2022 10:57:16 GMT",
"version": "v2"
}
] | 2022-04-20 | [
[
"Hayashi",
"Yuuki",
""
],
[
"Sumino",
"Yukinari",
""
],
[
"Takaura",
"Hiromasa",
""
]
] | We determine $|V_{cb}|$ using the third-order perturbative series for the inclusive semileptonic $B$ decay width and for the masses of the bottomonium 1S states. We use the masses of $\eta_b(1S)$ and $\Upsilon(1S)$ as short-distance masses and point out that there is a sizable difference of $|V_{cb}|$ between the two 1... |
0803.3725 | Shuntaro Nakamura | Shuntaro Nakamura, Ken-ichi Okumura and Masahiro Yamaguchi | Axionic Mirage Mediation | reference added, typo corrected | Phys.Rev.D77:115027,2008 | 10.1103/PhysRevD.77.115027 | TU-809 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Although the mirage mediation is one of the most plausible mediation
mechanisms of supersymmetry breaking, it suffers from two crucial problems. One
is the \mu-/B \mu-problem and the second is the cosmological one. The former
stems from the fact that the B parameter tends to be comparable with the
gravitino mass, whi... | [
{
"created": "Wed, 26 Mar 2008 13:18:33 GMT",
"version": "v1"
},
{
"created": "Mon, 31 Mar 2008 09:00:10 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Nakamura",
"Shuntaro",
""
],
[
"Okumura",
"Ken-ichi",
""
],
[
"Yamaguchi",
"Masahiro",
""
]
] | Although the mirage mediation is one of the most plausible mediation mechanisms of supersymmetry breaking, it suffers from two crucial problems. One is the \mu-/B \mu-problem and the second is the cosmological one. The former stems from the fact that the B parameter tends to be comparable with the gravitino mass, which... |
hep-ph/0701047 | Gui-Jun Ding | Gui-Jun Ding, Mu-Lin Yan | Y(2175): Distinguish Hybrid State from Higher Quarkonium | 13 pages, 8 figures | Phys.Lett.B657:49-54,2007 | 10.1016/j.physletb.2007.10.020 | null | hep-ph | null | The possibility of Y(2175) as a $2{^3D_1}$ $s\bar{s}$ meson is studied. We
study the decay of $2{^3D_1}$ $s\bar{s}$ from both the $^3P_0$ model and the
flux tube model, and the results are similar in the two models. We show that
the decay patterns of $1^{--}$ strangeonium hybrid and $2{^3D_1}$ $s\bar{s}$
are very dif... | [
{
"created": "Sun, 7 Jan 2007 03:25:51 GMT",
"version": "v1"
},
{
"created": "Sun, 30 Sep 2007 17:13:49 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Ding",
"Gui-Jun",
""
],
[
"Yan",
"Mu-Lin",
""
]
] | The possibility of Y(2175) as a $2{^3D_1}$ $s\bar{s}$ meson is studied. We study the decay of $2{^3D_1}$ $s\bar{s}$ from both the $^3P_0$ model and the flux tube model, and the results are similar in the two models. We show that the decay patterns of $1^{--}$ strangeonium hybrid and $2{^3D_1}$ $s\bar{s}$ are very diffe... |
2312.11965 | Yukinari Sumino | Takuya Agemura and Yukinari Sumino | On order $\Lambda_{\rm QCD}^2/m$ renormalons in quarkonium system | 13 pages, 9 figures; [Ver.2] Minor modifications; Version to appear
in Phys.Lett | null | null | TU--1218 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | For the heavy quarkonium system we examine ${\cal O}(\Lambda_{\rm QCD}^2/m)$
renormalons, which are expected to be included in the perturbative series of
the pole mass and $1/(mr^2)$ interquark potential. We find indications of
existence and cancellation of these renormalons, from examinations of stability
and conver... | [
{
"created": "Tue, 19 Dec 2023 09:02:32 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Feb 2024 15:33:27 GMT",
"version": "v2"
}
] | 2024-02-07 | [
[
"Agemura",
"Takuya",
""
],
[
"Sumino",
"Yukinari",
""
]
] | For the heavy quarkonium system we examine ${\cal O}(\Lambda_{\rm QCD}^2/m)$ renormalons, which are expected to be included in the perturbative series of the pole mass and $1/(mr^2)$ interquark potential. We find indications of existence and cancellation of these renormalons, from examinations of stability and converge... |
2307.11157 | Radha Mastandrea | Tobias Golling, Gregor Kasieczka, Claudius Krause, Radha Mastandrea,
Benjamin Nachman, John Andrew Raine, Debajyoti Sengupta, David Shih, Manuel
Sommerhalder | The Interplay of Machine Learning--based Resonant Anomaly Detection
Methods | 27 pages, 21 figures. Updated with revisions for journal acceptance | null | 10.1140/epjc/s10052-024-12607-x | null | hep-ph hep-ex physics.data-an | http://creativecommons.org/licenses/by/4.0/ | Machine learning--based anomaly detection (AD) methods are promising tools
for extending the coverage of searches for physics beyond the Standard Model
(BSM). One class of AD methods that has received significant attention is
resonant anomaly detection, where the BSM is assumed to be localized in at
least one known v... | [
{
"created": "Thu, 20 Jul 2023 18:00:04 GMT",
"version": "v1"
},
{
"created": "Thu, 14 Mar 2024 09:09:24 GMT",
"version": "v2"
}
] | 2024-03-15 | [
[
"Golling",
"Tobias",
""
],
[
"Kasieczka",
"Gregor",
""
],
[
"Krause",
"Claudius",
""
],
[
"Mastandrea",
"Radha",
""
],
[
"Nachman",
"Benjamin",
""
],
[
"Raine",
"John Andrew",
""
],
[
"Sengupta",
"Debajyoti",
... | Machine learning--based anomaly detection (AD) methods are promising tools for extending the coverage of searches for physics beyond the Standard Model (BSM). One class of AD methods that has received significant attention is resonant anomaly detection, where the BSM is assumed to be localized in at least one known var... |
0802.0161 | Alan D. Martin | Alan D. Martin | Proton structure, Partons, QCD, DGLAP and beyond | 35 pages, 19 figures, to appear in Proc. of School on QCD, low x
physics, saturation and diffraction, Copanello, Calabria, Italy, July 2007,
to be published in Acta Physica Polonica | Acta Phys.Polon.B39:2025-2062,2008 | null | IPPP/08/03, DCPT/08/06 | hep-ph | null | We present an introductory discussion of deep-inelastic lepton-proton
scattering as a means to probe the substructure of the proton. A resume of QCD
is given, emphasizing the running of the coupling constant and the DGLAP
evolution equations for the parton densities. The determination of parton
distributions is discu... | [
{
"created": "Fri, 1 Feb 2008 16:49:50 GMT",
"version": "v1"
}
] | 2010-03-25 | [
[
"Martin",
"Alan D.",
""
]
] | We present an introductory discussion of deep-inelastic lepton-proton scattering as a means to probe the substructure of the proton. A resume of QCD is given, emphasizing the running of the coupling constant and the DGLAP evolution equations for the parton densities. The determination of parton distributions is discuss... |
hep-ph/9804223 | Michael Bordag | M. Bordag, B. Geyer, G.L. Klimchitskaya, V.M. Mostepanenko | Constraints for hypothetical interactions from a recent demonstration of
the Casimir force and some possible improvements | 15 pages, 3 figures, subm. to Phys. Rev. D | Phys.Rev.D58:075003,1998 | 10.1103/PhysRevD.58.075003 | NTZ 10/98 | hep-ph | null | The Casimir force is calculated in the configuration of a spherical lens and
a disc of finite radius covered by $Cu$ and $Au$ thin layers which was used in
a recent experiment. The correction to the Casimir force due to finiteness of
the disc radius is shown to be negligible. Also the corrections are discussed
due to... | [
{
"created": "Fri, 3 Apr 1998 11:01:45 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Bordag",
"M.",
""
],
[
"Geyer",
"B.",
""
],
[
"Klimchitskaya",
"G. L.",
""
],
[
"Mostepanenko",
"V. M.",
""
]
] | The Casimir force is calculated in the configuration of a spherical lens and a disc of finite radius covered by $Cu$ and $Au$ thin layers which was used in a recent experiment. The correction to the Casimir force due to finiteness of the disc radius is shown to be negligible. Also the corrections are discussed due to t... |
hep-ph/0701082 | Ping Wang 72 | P. Wang, D. B. Leinweber, A. W. Thomas, R. D. Young | Chiral extrapolation of nucleon magnetic form factors | 19 pages, 10 figures | Phys.Rev.D75:073012,2007 | 10.1103/PhysRevD.75.073012 | null | hep-ph | null | The extrapolation of nucleon magnetic form factors calculated within lattice
QCD is investigated within a framework based upon heavy baryon chiral
effective-field theory. All one-loop graphs are considered at arbitrary
momentum transfer and all octet and decuplet baryons are included in the
intermediate states. Finit... | [
{
"created": "Thu, 11 Jan 2007 01:28:15 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Apr 2007 18:11:21 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Wang",
"P.",
""
],
[
"Leinweber",
"D. B.",
""
],
[
"Thomas",
"A. W.",
""
],
[
"Young",
"R. D.",
""
]
] | The extrapolation of nucleon magnetic form factors calculated within lattice QCD is investigated within a framework based upon heavy baryon chiral effective-field theory. All one-loop graphs are considered at arbitrary momentum transfer and all octet and decuplet baryons are included in the intermediate states. Finite ... |
0905.2493 | Yoshitaka Hatta | Yoshitaka Hatta, Takahiro Ueda and Bo-Wen Xiao | Polarized DIS in N=4 SYM: Where is spin at strong coupling? | 24 pages | JHEP 0908:007,2009 | 10.1088/1126-6708/2009/08/007 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the AdS/CFT correspondence, we calculate the polarized structure
functions in strongly coupled N=4 supersymmetric Yang-Mills theory deformed in
the infrared. We find that the flavor singlet contribution to the g_1 structure
function is vanishingly small, while the flavor non-singlet contribution shows
the Regge... | [
{
"created": "Fri, 15 May 2009 14:11:33 GMT",
"version": "v1"
}
] | 2009-08-12 | [
[
"Hatta",
"Yoshitaka",
""
],
[
"Ueda",
"Takahiro",
""
],
[
"Xiao",
"Bo-Wen",
""
]
] | Using the AdS/CFT correspondence, we calculate the polarized structure functions in strongly coupled N=4 supersymmetric Yang-Mills theory deformed in the infrared. We find that the flavor singlet contribution to the g_1 structure function is vanishingly small, while the flavor non-singlet contribution shows the Regge b... |
0908.2390 | Dimiter Stamenov | Elliot Leader, Aleksander V. Sidorov, Dimiter B. Stamenov | Some Remarks on Methods of QCD Analysis of Polarized DIS Data | 14 pages, 8 figures | Phys.Rev.D80:054026,2009 | 10.1103/PhysRevD.80.054026 | CERN PH-TH/2009-156 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The results on polarized parton densities (PDFs) obtained using different
methods of QCD analysis of the present polarized DIS data are discussed. Their
dependence on the method used in the analysis, accounting or not for the
kinematic and dynamic 1/Q^2 corrections to spin structure function g_1, is
demonstrated. It ... | [
{
"created": "Mon, 17 Aug 2009 16:35:16 GMT",
"version": "v1"
}
] | 2009-11-05 | [
[
"Leader",
"Elliot",
""
],
[
"Sidorov",
"Aleksander V.",
""
],
[
"Stamenov",
"Dimiter B.",
""
]
] | The results on polarized parton densities (PDFs) obtained using different methods of QCD analysis of the present polarized DIS data are discussed. Their dependence on the method used in the analysis, accounting or not for the kinematic and dynamic 1/Q^2 corrections to spin structure function g_1, is demonstrated. It is... |
0704.0001 | Pavel Nadolsky | C. Bal\'azs, E. L. Berger, P. M. Nadolsky, C.-P. Yuan | Calculation of prompt diphoton production cross sections at Tevatron and
LHC energies | 37 pages, 15 figures; published version | Phys.Rev.D76:013009,2007 | 10.1103/PhysRevD.76.013009 | ANL-HEP-PR-07-12 | hep-ph | null | A fully differential calculation in perturbative quantum chromodynamics is
presented for the production of massive photon pairs at hadron colliders. All
next-to-leading order perturbative contributions from quark-antiquark,
gluon-(anti)quark, and gluon-gluon subprocesses are included, as well as
all-orders resummatio... | [
{
"created": "Mon, 2 Apr 2007 19:18:42 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Jul 2007 20:10:27 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Balázs",
"C.",
""
],
[
"Berger",
"E. L.",
""
],
[
"Nadolsky",
"P. M.",
""
],
[
"Yuan",
"C. -P.",
""
]
] | A fully differential calculation in perturbative quantum chromodynamics is presented for the production of massive photon pairs at hadron colliders. All next-to-leading order perturbative contributions from quark-antiquark, gluon-(anti)quark, and gluon-gluon subprocesses are included, as well as all-orders resummation ... |
1504.05238 | Andrea Palladino | Andrea Palladino, Francesco Vissani | The natural parametrization of cosmic neutrino oscillations | 19 pages, 5 figures. Text and bibliography enhanced, results
unchanged. New analysis on flavor triangle included. Accepted for publication
in EPJC | null | 10.1140/epjc/s10052-015-3664-6 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The natural parameterization of vacuum oscillations in three neutrino flavors
is studied. Compact and exact relations of its three parameters with the
ordinary three mixing angles and CP violating phase are obtained. Its
usefulness is illustrated by considering various applications: the study of the
flavor ratio and ... | [
{
"created": "Mon, 20 Apr 2015 21:30:33 GMT",
"version": "v1"
},
{
"created": "Thu, 30 Apr 2015 16:39:45 GMT",
"version": "v2"
},
{
"created": "Mon, 7 Sep 2015 13:29:45 GMT",
"version": "v3"
}
] | 2015-10-28 | [
[
"Palladino",
"Andrea",
""
],
[
"Vissani",
"Francesco",
""
]
] | The natural parameterization of vacuum oscillations in three neutrino flavors is studied. Compact and exact relations of its three parameters with the ordinary three mixing angles and CP violating phase are obtained. Its usefulness is illustrated by considering various applications: the study of the flavor ratio and of... |
hep-ph/0212177 | Damir Becirevic | D.Becirevic, J.Charles, A.LeYaouanc, L.Oliver, O.Pene and J.C.Raynal | Possible explanation of the discrepancy of the light-cone QCD sum rule
calculation of g(D*Dpi) coupling with experiment | 9 pages, 1 PostScript figures | JHEP 0301 (2003) 009 | 10.1088/1126-6708/2003/01/009 | CPT-2002/P.4459, LPT Orsay 02-112, Rome-1348/02 | hep-ph | null | The introduction of an explicit negative radial excitation contribution in
the hadronic side of the light cone QCD sum rule (LCSR) of Belyaev, Braun,
Khodjamirian and Ruckl, can explain the large experimental value of g(D*Dpi),
recently measured by CLEO. At the same time, it considerably improves the
stability of the... | [
{
"created": "Thu, 12 Dec 2002 17:19:20 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Becirevic",
"D.",
""
],
[
"Charles",
"J.",
""
],
[
"LeYaouanc",
"A.",
""
],
[
"Oliver",
"L.",
""
],
[
"Pene",
"O.",
""
],
[
"Raynal",
"J. C.",
""
]
] | The introduction of an explicit negative radial excitation contribution in the hadronic side of the light cone QCD sum rule (LCSR) of Belyaev, Braun, Khodjamirian and Ruckl, can explain the large experimental value of g(D*Dpi), recently measured by CLEO. At the same time, it considerably improves the stability of the s... |
2104.13827 | Ernesto Arganda | Ernesto Arganda, Antonio Delgado, Roberto A. Morales, Mariano Quir\'os | Novel Higgsino Dark Matter Signatures at the LHC | 11 pages, 2 tables, 3 figures | Phys. Rev. D 104, 055003 (2021) | 10.1103/PhysRevD.104.055003 | IFT-UAM/CSIC-21-44 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | In the LHC searches for gluinos it is usually assumed that they decay
predominantly into the lightest neutralino plus jets. In this work we perform a
proof-of-concept collider analysis of a novel supersymmetric signal in which
gluinos decay mostly into jets and the bino-like neutralino ($\tilde\chi_3^0$),
which in tu... | [
{
"created": "Wed, 28 Apr 2021 15:22:01 GMT",
"version": "v1"
}
] | 2021-09-15 | [
[
"Arganda",
"Ernesto",
""
],
[
"Delgado",
"Antonio",
""
],
[
"Morales",
"Roberto A.",
""
],
[
"Quirós",
"Mariano",
""
]
] | In the LHC searches for gluinos it is usually assumed that they decay predominantly into the lightest neutralino plus jets. In this work we perform a proof-of-concept collider analysis of a novel supersymmetric signal in which gluinos decay mostly into jets and the bino-like neutralino ($\tilde\chi_3^0$), which in turn... |
hep-ph/9301251 | null | Alan R. White, Ian G. Knowles and Kyungsik Kang | The $\eta_6$ at LEP and TRISTAN | 11 pages, ANL-HEP-PR-93-4/BROWN-HET-872 | Mod.Phys.Lett.A8:1611-1620,1993 | 10.1142/S0217732393001355 | null | hep-ph | null | The $\eta_6$ is a ``heavy axion'' remnant of dynamical electroweak symmetry
breaking by a color sextet quark condensate. Electroweak scale color instanton
interactions allow it to be both very massive and yet be responsible for Strong
CP conservation in the color triplet quark sector. It may have been seen at LEP
via... | [
{
"created": "Wed, 20 Jan 1993 14:14:38 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"White",
"Alan R.",
""
],
[
"Knowles",
"Ian G.",
""
],
[
"Kang",
"Kyungsik",
""
]
] | The $\eta_6$ is a ``heavy axion'' remnant of dynamical electroweak symmetry breaking by a color sextet quark condensate. Electroweak scale color instanton interactions allow it to be both very massive and yet be responsible for Strong CP conservation in the color triplet quark sector. It may have been seen at LEP via i... |
hep-ph/0503217 | Kim Siyeon | Song-Haeng Lee and Kim Siyeon | The small mixing angle $\theta_{13}$ and the lepton asymmetry | 17 pages, 14 figures, information for figures added, version
published in PRD | Phys.Rev. D71 (2005) 096006 | 10.1103/PhysRevD.71.096006 | null | hep-ph | null | We present the correlation of low energy CP phases, both Dirac and Majorana,
and the lepton asymmetry for the baryon asymmetry in the universe, with a
certain class of Yukawa matrices that consist of two right-handed neutrinos and
include one texture zero in themselves. For cases in which the amount of the
lepton asy... | [
{
"created": "Tue, 22 Mar 2005 15:08:16 GMT",
"version": "v1"
},
{
"created": "Fri, 27 May 2005 06:52:43 GMT",
"version": "v2"
}
] | 2009-09-29 | [
[
"Lee",
"Song-Haeng",
""
],
[
"Siyeon",
"Kim",
""
]
] | We present the correlation of low energy CP phases, both Dirac and Majorana, and the lepton asymmetry for the baryon asymmetry in the universe, with a certain class of Yukawa matrices that consist of two right-handed neutrinos and include one texture zero in themselves. For cases in which the amount of the lepton asymm... |
2211.08132 | Pengxuan Zhu | Jin Min Yang, Yang Zhang, Pengxuan Zhu and Rui Zhu | Reconstructing masses for semi-invisibly decaying particles
pair-produced at lepton colliders | 6 pages, 5 figures. W-mass measurement added (accepted by PRD) | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a set of Lorentz invariant kinematic variables for reconstructing
mass of semi-invisible decaying particles pair-produced at lepton colliders,
$m_{\rm RC}^{\rm min}$, $m_{\rm RC}^{\rm max}$ and $m_{\rm LSP}^{\rm max}$,
with analytical formulas. They give the minimal and maximum bounds of the
decaying parti... | [
{
"created": "Tue, 15 Nov 2022 13:37:08 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Sep 2023 13:29:32 GMT",
"version": "v2"
}
] | 2023-09-13 | [
[
"Yang",
"Jin Min",
""
],
[
"Zhang",
"Yang",
""
],
[
"Zhu",
"Pengxuan",
""
],
[
"Zhu",
"Rui",
""
]
] | We present a set of Lorentz invariant kinematic variables for reconstructing mass of semi-invisible decaying particles pair-produced at lepton colliders, $m_{\rm RC}^{\rm min}$, $m_{\rm RC}^{\rm max}$ and $m_{\rm LSP}^{\rm max}$, with analytical formulas. They give the minimal and maximum bounds of the decaying particl... |
hep-ph/9808425 | Sacha Davidson | Sacha Davidson | Basis independent parametrisations of R parity violation in the soft
SUSY breaking sector | 8 pages, accepted for publication in PLB | Phys.Lett. B439 (1998) 63-70 | 10.1016/S0370-2693(98)01006-5 | CERN-TH-98-161 | hep-ph | null | The magnitude of R-parity violating coupling constants depends on which
direction in the space of weak doublets with hypercharge = -2 corresponds to
the Higgs. To address this ``basis dependence'', one can construct combinations
of coupling constants that are invariant under these basis transformations, and
which par... | [
{
"created": "Wed, 26 Aug 1998 16:37:26 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Davidson",
"Sacha",
""
]
] | The magnitude of R-parity violating coupling constants depends on which direction in the space of weak doublets with hypercharge = -2 corresponds to the Higgs. To address this ``basis dependence'', one can construct combinations of coupling constants that are invariant under these basis transformations, and which param... |
hep-ph/0311131 | P. Aurenche | F. Arleo, P. Aurenche, F. Bopp, I. Dadic, G. David, H. Delagrange, D.
d'Enterria, K.J. Eskola, F. Gelis, J.-Ph. Guillet, S. Jeon, Yu. Kharlov, O.
Kodolova, P. Levai, J.H. Liu, I.P. Lokhtin, G.D. Moore, H. Niemi, A.
Nikitenko, T. Peitzmann, P. Petreczky, J. Ranft, R. Rapp, P.V. Ruuskanen, K.
Redlich, S.S. Rasane... | Photon Physics in Heavy Ion Collisions at the LHC | Writeup of the working group "Photon Physics" for the CERN Yellow
Report on "Hard Probes in Heavy Ion Collisions at the LHC", 134 pages. One
figure added in chapter 5 (comparison with PHENIX data). Some figures and
correponding text corrected in chapter 6 (off-chemical equilibrium thermal
photon rates). Some fi... | null | null | null | hep-ph nucl-ex nucl-th | null | Various pion and photon production mechanisms in high-energy nuclear
collisions at RHIC and LHC are discussed. Comparison with RHIC data is done
whenever possible. The prospect of using electromagnetic probes to characterize
quark-gluon plasma formation is assessed.
| [
{
"created": "Mon, 10 Nov 2003 21:36:38 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Nov 2003 17:50:26 GMT",
"version": "v2"
},
{
"created": "Mon, 17 May 2004 12:01:27 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Arleo",
"F.",
""
],
[
"Aurenche",
"P.",
""
],
[
"Bopp",
"F.",
""
],
[
"Dadic",
"I.",
""
],
[
"David",
"G.",
""
],
[
"Delagrange",
"H.",
""
],
[
"d'Enterria",
"D.",
""
],
[
"Eskola",
"K. J.",
... | Various pion and photon production mechanisms in high-energy nuclear collisions at RHIC and LHC are discussed. Comparison with RHIC data is done whenever possible. The prospect of using electromagnetic probes to characterize quark-gluon plasma formation is assessed. |
hep-ph/9809485 | Oleg Tarasov | F. Jegerlehner and O.V. Tarasov | Exact mass dependent two--loop $\bar{\alpha}_s(Q^2)$ in the background
MOM renormalization scheme | 20 pages, 5 figures, LaTeX, uses axodraw.sty, revised version, Sec. 5
(numerical results) changed (quark masses were not set properly) and enhanced | Nucl.Phys. B549 (1999) 481-498 | 10.1016/S0550-3213(99)00141-8 | DESY 98-093 | hep-ph | null | A two-loop calculation of the renormalization group $\beta$--function in a
momentum subtraction scheme with massive quarks is presented using the
background field formalism. The results have been obtained by using a set of
new generalized recurrence relations proposed recently by one of the authors
(O.V.T.). The beha... | [
{
"created": "Tue, 22 Sep 1998 21:01:21 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Nov 1998 15:13:12 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Jegerlehner",
"F.",
""
],
[
"Tarasov",
"O. V.",
""
]
] | A two-loop calculation of the renormalization group $\beta$--function in a momentum subtraction scheme with massive quarks is presented using the background field formalism. The results have been obtained by using a set of new generalized recurrence relations proposed recently by one of the authors (O.V.T.). The behavi... |
1306.2486 | Hannu Paukkunen | Hannu Paukkunen, Kari J. Eskola, N\'estor Armesto (for the LHeC Study
Group) | Nuclear PDFs from the LHeC perspective | A transcription of the talk given in XXI International Workshop on
Deep-Inelastic Scattering and Related Subjects, Marseilles, France | null | null | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the prospects for constraining the nuclear parton distribution
functions by small-x deep inelastic scattering. Performing a global fit of
nuclear parton distribution functions including a sample of pseudodata
representing expected measurements at the planned LHeC collider, we demonstrate
that the accuracy of... | [
{
"created": "Tue, 11 Jun 2013 11:05:29 GMT",
"version": "v1"
}
] | 2019-08-14 | [
[
"Paukkunen",
"Hannu",
"",
"for the LHeC Study\n Group"
],
[
"Eskola",
"Kari J.",
"",
"for the LHeC Study\n Group"
],
[
"Armesto",
"Néstor",
"",
"for the LHeC Study\n Group"
]
] | We study the prospects for constraining the nuclear parton distribution functions by small-x deep inelastic scattering. Performing a global fit of nuclear parton distribution functions including a sample of pseudodata representing expected measurements at the planned LHeC collider, we demonstrate that the accuracy of t... |
hep-ph/9207214 | Arkady Vainshtein | I.I.Bigi, N.G.Uraltsev, A.I.Vainshtein | Nonperturbative Corrections to Inclusive Beauty and Charm Decays: QCD
versus Phenomenological Models | 11 pages (2 figs are not included), Latex file, FERMILAB-PUB-92/158-T
UND-HEP-92-BIG04 TPI-MINN-92/30-T | Phys.Lett.B293:430-436,1992; ERRATUM-ibid.B297:477,1993 | 10.1016/0370-2693(92)90908-M | null | hep-ph | null | We present a selfconsistent method for treating nonperturbative effects in
inclusive nonleptonic and semileptonic decays of heavy flavour hadrons. These
effects give rise to powerlike corrections $\propto 1/m_Q^n\,$, $n \ge 2$ with
$m_Q$ denoting the heavy quark mass.The leading correction to the semileptonic
branchi... | [
{
"created": "Sat, 4 Jul 1992 01:06:35 GMT",
"version": "v1"
}
] | 2011-07-18 | [
[
"Bigi",
"I. I.",
""
],
[
"Uraltsev",
"N. G.",
""
],
[
"Vainshtein",
"A. I.",
""
]
] | We present a selfconsistent method for treating nonperturbative effects in inclusive nonleptonic and semileptonic decays of heavy flavour hadrons. These effects give rise to powerlike corrections $\propto 1/m_Q^n\,$, $n \ge 2$ with $m_Q$ denoting the heavy quark mass.The leading correction to the semileptonic branching... |
hep-ph/0012264 | Yue-Liang Wu | K.C. Chou and Y.L. Wu (ITP) | Predictive SUSY GUT Model for CP Violation, Fermion Masses and Mixings | RevTex, a footnote and references added, contributed paper published
in the Proceedings: ``Symposium on Frontiers of Physics at Millennium'', 8-11
Oct. 1999, Beijing, (World Scientific Publishing Company), Editors: Yue-Liang
Wu and Jong-Ping Hsu | null | null | null | hep-ph hep-ex | null | CP violation, fermion masses and mixing angles including that of neutrinos
are studied in an SUSY SO(10)$\times \Delta (48)\times$ U(1) model. The
nonabelian SU(3) discrete family symmetry $\Delta(48)$ associated with a simple
scheme of U(1) charge assignment on various fields concerned in superpotential
leads to uni... | [
{
"created": "Wed, 20 Dec 2000 04:23:08 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Jan 2001 02:39:11 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Chou",
"K. C.",
"",
"ITP"
],
[
"Wu",
"Y. L.",
"",
"ITP"
]
] | CP violation, fermion masses and mixing angles including that of neutrinos are studied in an SUSY SO(10)$\times \Delta (48)\times$ U(1) model. The nonabelian SU(3) discrete family symmetry $\Delta(48)$ associated with a simple scheme of U(1) charge assignment on various fields concerned in superpotential leads to uniqu... |
hep-ph/0508269 | Midori Obara | Midori Obara, Noriyuki Oshimo | Generation Mixing of Sneutrinos in Heavier Chargino Decay | 22 pages, Revtex, 7 figures. v2: For the total width of the heavier
chargino, the contribution from the decay into a charged slepton and a
neutirno has been included. The figures (Figs. 2, 3, 4, 5), the equations and
the related descriptions in sections II and III have been revised. Several
references and equat... | JHEP 0608:054,2006 | 10.1088/1126-6708/2006/08/054 | OCHA-PP-250 | hep-ph | null | The heavier chargino decay could yield two charged leptons of different
generations, owing to generation mixing of sneutrinos. We discuss the
possibility of producing $e$ and $\mu$ through this process in near future
collider experiments. The analyses are made systematically in the
supersymmetric extension of the sta... | [
{
"created": "Fri, 26 Aug 2005 09:04:41 GMT",
"version": "v1"
},
{
"created": "Fri, 14 Oct 2005 08:06:38 GMT",
"version": "v2"
},
{
"created": "Sat, 24 Jun 2006 06:28:11 GMT",
"version": "v3"
}
] | 2010-02-03 | [
[
"Obara",
"Midori",
""
],
[
"Oshimo",
"Noriyuki",
""
]
] | The heavier chargino decay could yield two charged leptons of different generations, owing to generation mixing of sneutrinos. We discuss the possibility of producing $e$ and $\mu$ through this process in near future collider experiments. The analyses are made systematically in the supersymmetric extension of the stand... |
hep-ph/0304226 | A. J. Barr | Alan Barr, Christopher Lester, Phil Stephens | m_T2 : the truth behind the glamour | null | J.Phys.G29:2343-2363,2003 | 10.1088/0954-3899/29/10/304 | Cavendish HEP-2002-02/14 | hep-ph | null | We present the kinematic variable, m_T2, which is in some ways similar to the
more familiar `transverse-mass', but which can be used in events where two or
more particles have escaped detection. We define this variable and describe the
event topologies to which it applies, then present some of its mathematical
proper... | [
{
"created": "Wed, 23 Apr 2003 16:04:00 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Barr",
"Alan",
""
],
[
"Lester",
"Christopher",
""
],
[
"Stephens",
"Phil",
""
]
] | We present the kinematic variable, m_T2, which is in some ways similar to the more familiar `transverse-mass', but which can be used in events where two or more particles have escaped detection. We define this variable and describe the event topologies to which it applies, then present some of its mathematical properti... |
1210.6553 | Igor Ivanov | I. P. Ivanov, E. Vdovin | Classification of finite reparametrization symmetry groups in the
three-Higgs-doublet model | 41 pages, 3 figure; v2: additional explanations on group-theoretical
issues, matches the published version | Eur. Phys. J. C 73, 2309 (2013) | 10.1140/epjc/s10052-013-2309-x | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Symmetries play a crucial role in electroweak symmetry breaking models with
non-minimal Higgs content. Within each class of these models, it is desirable
to know which symmetry groups can be implemented via the scalar sector. In
N-Higgs-doublet models, this classification problem was solved only for N=2
doublets. Ver... | [
{
"created": "Wed, 24 Oct 2012 14:50:10 GMT",
"version": "v1"
},
{
"created": "Fri, 15 Feb 2013 01:37:47 GMT",
"version": "v2"
}
] | 2015-06-11 | [
[
"Ivanov",
"I. P.",
""
],
[
"Vdovin",
"E.",
""
]
] | Symmetries play a crucial role in electroweak symmetry breaking models with non-minimal Higgs content. Within each class of these models, it is desirable to know which symmetry groups can be implemented via the scalar sector. In N-Higgs-doublet models, this classification problem was solved only for N=2 doublets. Very ... |
1612.02445 | Yong Zhao | Yoshitaka Hatta, Yuya Nakagawa, Bowen Xiao, Feng Yuan, and Yong Zhao | Gluon orbital angular momentum at small-$x$ | 22 pages. v2 significantly expands the previous version with all the
details of derivation as well as a number of new results and discussions. The
title and abstract are changed, and an author is added | Phys. Rev. D 95, 114032 (2017) | 10.1103/PhysRevD.95.114032 | YITP-16-133 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a general analysis of the orbital angular momentum (OAM)
distribution of gluons $L_g(x)$ inside the nucleon with particular emphasis on
the small-$x$ region. We derive a novel operator representation of $L_g(x)$ in
terms of Wilson lines and argue that it is approximately proportional to the
gluon helicity ... | [
{
"created": "Wed, 7 Dec 2016 21:04:45 GMT",
"version": "v1"
},
{
"created": "Mon, 24 Apr 2017 05:06:32 GMT",
"version": "v2"
}
] | 2017-07-05 | [
[
"Hatta",
"Yoshitaka",
""
],
[
"Nakagawa",
"Yuya",
""
],
[
"Xiao",
"Bowen",
""
],
[
"Yuan",
"Feng",
""
],
[
"Zhao",
"Yong",
""
]
] | We present a general analysis of the orbital angular momentum (OAM) distribution of gluons $L_g(x)$ inside the nucleon with particular emphasis on the small-$x$ region. We derive a novel operator representation of $L_g(x)$ in terms of Wilson lines and argue that it is approximately proportional to the gluon helicity di... |
0910.4787 | Weizhen Deng | Bao-Kai Wang, Xiao-Lin Chen, Wei-Zhen Deng | Dynamical study of the possible molecular state X(3872) with the
s-channel one gluon exchange interaction | null | null | 10.1088/1674-1137/34/8/003 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The recently observed X(3872) resonance, which is difficult to be assigned a
conventional $c\bar{c}$ charmonium state in the quark model, may be interpreted
as a molecular state. Such a molecular state is a hidden flavor four quark
state because of its charmonium-like quantum numbers. The s-channel one gluon
exchange... | [
{
"created": "Mon, 26 Oct 2009 01:04:18 GMT",
"version": "v1"
}
] | 2015-05-14 | [
[
"Wang",
"Bao-Kai",
""
],
[
"Chen",
"Xiao-Lin",
""
],
[
"Deng",
"Wei-Zhen",
""
]
] | The recently observed X(3872) resonance, which is difficult to be assigned a conventional $c\bar{c}$ charmonium state in the quark model, may be interpreted as a molecular state. Such a molecular state is a hidden flavor four quark state because of its charmonium-like quantum numbers. The s-channel one gluon exchange i... |
hep-ph/9710360 | Roberto Ugoccioni | R. Ugoccioni and A. Giovannini (Torino Univ. & INFN, Torino) | Oscillations of Moments and Structure of Multiplicity Distributions in
e+e- Annihilation | 6 pages, LaTeX2e (uses amsmath,epsfig,espcrc2), 4 postscript figures.
To be published in the Proceedings of the XXVII International Symposium on
Multiparticle Dynamics, Frascati (Italy), September 8--12, 1997 | Nucl.Phys.Proc.Suppl.71:211-215,1999 | 10.1016/S0920-5632(98)00344-2 | DFTT 64/97 | hep-ph | null | Starting from the recognized fact that oscillations of moments with rank and
shoulder structure in the multiplicity distribution have the same origin in the
full sample of events in e+e- annihilation, we push our investigation to the
2-jet sample level, and argue in favor of the use of the negative binomial
multiplic... | [
{
"created": "Wed, 15 Oct 1997 07:55:59 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Ugoccioni",
"R.",
"",
"Torino Univ. & INFN, Torino"
],
[
"Giovannini",
"A.",
"",
"Torino Univ. & INFN, Torino"
]
] | Starting from the recognized fact that oscillations of moments with rank and shoulder structure in the multiplicity distribution have the same origin in the full sample of events in e+e- annihilation, we push our investigation to the 2-jet sample level, and argue in favor of the use of the negative binomial multiplicit... |
1309.5365 | Howard Baer | Kyu Jung Bae, Howard Baer and Eung Jin Chun | Mixed axion/neutralino dark matter in the SUSY DFSZ axion model | 43 pages incl. 33 .pdf figures; updated figures | null | 10.1088/1475-7516/2013/12/028 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine mixed axion/neutralino cold dark matter production in the SUSY
DFSZ axion model where an axion superfield couples to Higgs superfields. We
calculate a wide array of axino and saxion decay modes along with their decay
temperatures, and thermal and non-thermal production rates. For a SUSY
benchmark model wit... | [
{
"created": "Fri, 20 Sep 2013 20:00:55 GMT",
"version": "v1"
},
{
"created": "Fri, 13 Mar 2015 22:00:31 GMT",
"version": "v2"
}
] | 2015-06-17 | [
[
"Bae",
"Kyu Jung",
""
],
[
"Baer",
"Howard",
""
],
[
"Chun",
"Eung Jin",
""
]
] | We examine mixed axion/neutralino cold dark matter production in the SUSY DFSZ axion model where an axion superfield couples to Higgs superfields. We calculate a wide array of axino and saxion decay modes along with their decay temperatures, and thermal and non-thermal production rates. For a SUSY benchmark model with ... |
hep-ph/0405078 | Jonathan Engel | S.R. Elliott and J. Engel | Double Beta Decay | Some typos corrected, references corrected and added. A less blurry
version of figure 3 is available from authors. 41 pages, 5 figures, submitted
to J. Phys. G | J.Phys. G30 (2004) R183 | 10.1088/0954-3899/30/9/R01 | LAUR04-3076 | hep-ph nucl-ex nucl-th | null | We review recent developments in double-beta decay, focusing on what can be
learned about the three light neutrinos in future experiments. We examine the
effects of uncertainties in already measured neutrino parameters and in
calculated nuclear matrix elements on the interpretation of upcoming
double-beta decay measu... | [
{
"created": "Mon, 10 May 2004 15:44:44 GMT",
"version": "v1"
},
{
"created": "Mon, 24 May 2004 19:29:51 GMT",
"version": "v2"
}
] | 2009-11-10 | [
[
"Elliott",
"S. R.",
""
],
[
"Engel",
"J.",
""
]
] | We review recent developments in double-beta decay, focusing on what can be learned about the three light neutrinos in future experiments. We examine the effects of uncertainties in already measured neutrino parameters and in calculated nuclear matrix elements on the interpretation of upcoming double-beta decay measure... |
1111.5984 | Felix Karbstein | Felix Karbstein, Lars Roessler, Babette D\"obrich, Holger Gies | Optical probes of the quantum vacuum: The photon polarization tensor in
external fields | 13 pages, 4 figures; typo in Eq. (5) corrected (matches journal
version) | Int. J. Mod. Phys. Conf. Ser. 14, 403 (2012) | 10.1142/S2010194512007520 | null | hep-ph hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The photon polarization tensor is the central building block of an effective
theory description of photon propagation in the quantum vacuum. It accounts for
the vacuum fluctuations of the underlying theory, and in the presence of
external electromagnetic fields, gives rise to such striking phenomena as
vacuum birefri... | [
{
"created": "Fri, 25 Nov 2011 13:41:42 GMT",
"version": "v1"
},
{
"created": "Mon, 27 Aug 2012 15:38:40 GMT",
"version": "v2"
}
] | 2012-08-28 | [
[
"Karbstein",
"Felix",
""
],
[
"Roessler",
"Lars",
""
],
[
"Döbrich",
"Babette",
""
],
[
"Gies",
"Holger",
""
]
] | The photon polarization tensor is the central building block of an effective theory description of photon propagation in the quantum vacuum. It accounts for the vacuum fluctuations of the underlying theory, and in the presence of external electromagnetic fields, gives rise to such striking phenomena as vacuum birefring... |
1307.4226 | Mikhail Kalmykov | Fred Jegerlehner, Mikhail Yu. Kalmykov, Bernd A. Kniehl | About the EW contribution to the relation between pole and MS-masses of
the top-quark in the Standard Model | 6 pages, XXI International Workshop on Deep-Inelastic Scattering and
Related Subject -DIS2013, 22-26 April 2013 Marseilles,France; Version 2 adds
references | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Results of our recent re-analysis of the electroweak contribution to the
relation between pole and running masses of top-quark within the Standard Model
is reviewed. We argue, that if vacuum of SM is stable, then there exists an
optimal value of renormalization group scale (IR-point), at which the radiative
correctio... | [
{
"created": "Tue, 16 Jul 2013 09:50:17 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Sep 2013 18:54:28 GMT",
"version": "v2"
}
] | 2013-10-01 | [
[
"Jegerlehner",
"Fred",
""
],
[
"Kalmykov",
"Mikhail Yu.",
""
],
[
"Kniehl",
"Bernd A.",
""
]
] | Results of our recent re-analysis of the electroweak contribution to the relation between pole and running masses of top-quark within the Standard Model is reviewed. We argue, that if vacuum of SM is stable, then there exists an optimal value of renormalization group scale (IR-point), at which the radiative corrections... |
1704.01854 | Zhi-Gang Wang | Zhi-Gang Wang | Analysis of the $\Omega_c(3000)$, $\Omega_c(3050)$, $\Omega_c(3066)$,
$\Omega_c(3090)$ and $\Omega_c(3119)$ with QCD sum rules | 12 pages, 8 figures | Eur. Phys. J. C77 (2017) 325 | 10.1140/epjc/s10052-017-4895-5 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article, we assign the $\Omega_c(3000)$, $\Omega_c(3050)$,
$\Omega_c(3066)$, $\Omega_c(3090)$ and $\Omega_c(3119)$ to be the P-wave baryon
states with $J^P={\frac{1}{2}}^-$, ${\frac{1}{2}}^-$, ${\frac{3}{2}}^-$,
${\frac{3}{2}}^-$ and ${\frac{5}{2}}^-$, respectively, and study them with the
QCD sum rules by in... | [
{
"created": "Thu, 6 Apr 2017 14:22:18 GMT",
"version": "v1"
},
{
"created": "Thu, 4 May 2017 09:54:08 GMT",
"version": "v2"
}
] | 2017-05-23 | [
[
"Wang",
"Zhi-Gang",
""
]
] | In this article, we assign the $\Omega_c(3000)$, $\Omega_c(3050)$, $\Omega_c(3066)$, $\Omega_c(3090)$ and $\Omega_c(3119)$ to be the P-wave baryon states with $J^P={\frac{1}{2}}^-$, ${\frac{1}{2}}^-$, ${\frac{3}{2}}^-$, ${\frac{3}{2}}^-$ and ${\frac{5}{2}}^-$, respectively, and study them with the QCD sum rules by intr... |
hep-ph/9608261 | Alexander Makhlin | A.Makhlin | The Wedge Form of relativistic Dynamics. II. The Gluons | 21 pages, REVTeX | null | null | WSU-NP-96-13 | hep-ph | null | I derive expressions for various correlators of the gauge field and find
propagators in a new gauge A^\tau=0. This gauge is a part of the wedge form of
relativistic dynamics suggested earlier as the tool for the study of quantum
dynamics in collisions of hadrons at extremely high energies and in
ultrarelativistic hea... | [
{
"created": "Wed, 7 Aug 1996 23:21:23 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Makhlin",
"A.",
""
]
] | I derive expressions for various correlators of the gauge field and find propagators in a new gauge A^\tau=0. This gauge is a part of the wedge form of relativistic dynamics suggested earlier as the tool for the study of quantum dynamics in collisions of hadrons at extremely high energies and in ultrarelativistic heavy... |
2011.09087 | Joshua Eby | Joshua Eby, Lauren Street, Peter Suranyi, and L.C.R. Wijewardhana | Global View of Axion Stars with (Nearly) Planck-Scale Decay Constants | 15 pages, 8 figures, 2 appendices. References added; updated to match
published PRD version | Phys. Rev. D 103, 063043 (2021) | 10.1103/PhysRevD.103.063043 | null | hep-ph astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | We show that axion stars formed from axions with nearly Planck-scale decay
constants $f$ are unstable to decay, and are unlikely to have phenomenological
consequences. More generally, we show how results at smaller $f$ cannot be
naively extrapolated to $f=\mathcal{O}(M_P)$ as, contrary to conventional
wisdom, gravity... | [
{
"created": "Wed, 18 Nov 2020 05:01:29 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Jun 2021 08:16:04 GMT",
"version": "v2"
}
] | 2021-06-23 | [
[
"Eby",
"Joshua",
""
],
[
"Street",
"Lauren",
""
],
[
"Suranyi",
"Peter",
""
],
[
"Wijewardhana",
"L. C. R.",
""
]
] | We show that axion stars formed from axions with nearly Planck-scale decay constants $f$ are unstable to decay, and are unlikely to have phenomenological consequences. More generally, we show how results at smaller $f$ cannot be naively extrapolated to $f=\mathcal{O}(M_P)$ as, contrary to conventional wisdom, gravity a... |
1902.01232 | A. Tureanu | Anca Tureanu | Can Oscillating Neutrino States Be Formulated Universally? | 17 pages | null | 10.1140/epjc/s10052-020-7628-0 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A standing problem in neutrino physics is the consistent and universal
definition of oscillating neutrino states as coherent superpositions of massive
neutrino states. This problem is solved in a quantum field theoretical
framework of neutrino mixing developed in analogy with the Nambu--Jona-Lasinio
model for the dyn... | [
{
"created": "Fri, 1 Feb 2019 18:58:25 GMT",
"version": "v1"
},
{
"created": "Fri, 22 Nov 2019 20:00:10 GMT",
"version": "v2"
},
{
"created": "Thu, 23 Jan 2020 19:27:25 GMT",
"version": "v3"
}
] | 2020-01-27 | [
[
"Tureanu",
"Anca",
""
]
] | A standing problem in neutrino physics is the consistent and universal definition of oscillating neutrino states as coherent superpositions of massive neutrino states. This problem is solved in a quantum field theoretical framework of neutrino mixing developed in analogy with the Nambu--Jona-Lasinio model for the dynam... |
0809.1202 | Pavel Fileviez Perez | Pavel Fileviez Perez (University of Wisconsin-Madison) | Type III Seesaw and Left-Right Symmetry | 5 pages, references added, to appear in JHEP | JHEP 0903:142,2009 | 10.1088/1126-6708/2009/03/142 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The implementation of the Type III seesaw mechanism for neutrino masses in
the context of left-right theories where parity is broken spontaneously is
investigated. We propose a simple left-right symmetric theory where the
neutrinos masses are generated through a double seesaw mechanism which is a
combination of Type ... | [
{
"created": "Sun, 7 Sep 2008 01:08:08 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Mar 2009 15:47:22 GMT",
"version": "v2"
}
] | 2009-04-02 | [
[
"Perez",
"Pavel Fileviez",
"",
"University of Wisconsin-Madison"
]
] | The implementation of the Type III seesaw mechanism for neutrino masses in the context of left-right theories where parity is broken spontaneously is investigated. We propose a simple left-right symmetric theory where the neutrinos masses are generated through a double seesaw mechanism which is a combination of Type I ... |
hep-ph/9612260 | Denner Ansgar | W. Beenakker, A. Denner, S. Dittmaier, J. Hoogland, R. Kleiss, G.J.
van Oldenborgh, C.G. Papadopoulos, G. Passarino | The fermion-loop scheme for finite-width effects in e^+ e^- annihilation
into four fermions | 49 pages, LaTeX, 2 figures, uses amssymb, axodraw | Nucl.Phys. B500 (1997) 255-298 | 10.1016/S0550-3213(97)00316-7 | NIKHEF 96-031, PSI-PR-96-41 | hep-ph | null | We describe the gauge-invariant treatment of the finite-width effects of W
and Z bosons in the fermion-loop scheme and its application to the six-fermion
(LEP2) processes e^- e^+ -> four fermions, with massless external fermions. The
fermion-loop scheme consists in including all fermionic one-loop corrections in
tree... | [
{
"created": "Thu, 5 Dec 1996 09:30:59 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Beenakker",
"W.",
""
],
[
"Denner",
"A.",
""
],
[
"Dittmaier",
"S.",
""
],
[
"Hoogland",
"J.",
""
],
[
"Kleiss",
"R.",
""
],
[
"van Oldenborgh",
"G. J.",
""
],
[
"Papadopoulos",
"C. G.",
""
],
[
"P... | We describe the gauge-invariant treatment of the finite-width effects of W and Z bosons in the fermion-loop scheme and its application to the six-fermion (LEP2) processes e^- e^+ -> four fermions, with massless external fermions. The fermion-loop scheme consists in including all fermionic one-loop corrections in tree-l... |
2106.12483 | Qiang Zhao | Yin Cheng and Qiang Zhao | Hadronic loop effects on the radiative decays of the first radial
excitations of $\eta$ and $\eta'$ | Revtex, 6 eps figures, 21 pages | null | null | null | hep-ph | http://creativecommons.org/publicdomain/zero/1.0/ | Based on the one state assumption of $\eta(1405)$ and $\eta(1475)$, thus,
$\eta(1295)$ and $\eta(1405/1475)$ are organized as the first radial
excitations of $\eta$ and $\eta'$, respectively, we investigate the productions
and radiative decays of these two states in $J/\psi\to \gamma\eta_X\to
\gamma\gamma V$, where $... | [
{
"created": "Wed, 23 Jun 2021 15:55:36 GMT",
"version": "v1"
}
] | 2021-06-24 | [
[
"Cheng",
"Yin",
""
],
[
"Zhao",
"Qiang",
""
]
] | Based on the one state assumption of $\eta(1405)$ and $\eta(1475)$, thus, $\eta(1295)$ and $\eta(1405/1475)$ are organized as the first radial excitations of $\eta$ and $\eta'$, respectively, we investigate the productions and radiative decays of these two states in $J/\psi\to \gamma\eta_X\to \gamma\gamma V$, where $\e... |
hep-ph/9307340 | null | A.C.Bawa, K.Charchula and W.J.Stirling | Photoproduction of large-mass lepton pairs at HERA as a probe of the
small $x$ structure of the proton | Latex, 7 pages + 5 figures (not included), DTP/93/44 and
UDWPHYS-93-02 preprint | Phys.Lett.B313:461-468,1993 | 10.1016/0370-2693(93)90020-I | null | hep-ph | null | The photoproduction of Drell-Yan lepton pairs at HERA is studied. We show
that in the backward rapidity region the cross section is strongly sensitive to
the small-$x$ behaviour of the quark distributions in the proton, and that with
sufficient luminosity it should be possible to distinguish singular $xq \sim
x^{-1/2... | [
{
"created": "Tue, 27 Jul 1993 11:32:36 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Bawa",
"A. C.",
""
],
[
"Charchula",
"K.",
""
],
[
"Stirling",
"W. J.",
""
]
] | The photoproduction of Drell-Yan lepton pairs at HERA is studied. We show that in the backward rapidity region the cross section is strongly sensitive to the small-$x$ behaviour of the quark distributions in the proton, and that with sufficient luminosity it should be possible to distinguish singular $xq \sim x^{-1/2}$... |
hep-ph/0306199 | Keh-Fei Liu | N. Mathur, Y. Chen, S.J. Dong, T. Draper, I. Horv\'ath, F.X. Lee, K.F.
Liu, and J.B. Zhang | Roper Resonance and S_{11}(1535) from Lattice QCD | 10 pages, 5 figures, revised version to appear in PLB | Phys.Lett.B605:137-143,2005 | 10.1016/j.physletb.2004.11.010 | UK/03-08 | hep-ph hep-lat nucl-ex nucl-th | null | Using the constrained curve fitting method and overlap fermions with the
lowest pion mass at $180 {\rm MeV}$, we observe that the masses of the first
positive and negative parity excited states of the nucleon tend to cross over
as the quark masses are taken to the chiral limit. Both results at the physical
pion mass ... | [
{
"created": "Sun, 22 Jun 2003 05:59:49 GMT",
"version": "v1"
},
{
"created": "Thu, 6 May 2004 20:45:14 GMT",
"version": "v2"
},
{
"created": "Wed, 1 Dec 2004 20:07:08 GMT",
"version": "v3"
}
] | 2016-08-16 | [
[
"Mathur",
"N.",
""
],
[
"Chen",
"Y.",
""
],
[
"Dong",
"S. J.",
""
],
[
"Draper",
"T.",
""
],
[
"Horváth",
"I.",
""
],
[
"Lee",
"F. X.",
""
],
[
"Liu",
"K. F.",
""
],
[
"Zhang",
"J. B.",
""
... | Using the constrained curve fitting method and overlap fermions with the lowest pion mass at $180 {\rm MeV}$, we observe that the masses of the first positive and negative parity excited states of the nucleon tend to cross over as the quark masses are taken to the chiral limit. Both results at the physical pion mass ag... |
1906.11850 | Davide Napoletano | Matteo Cacciari, Stefano Forte, Davide Napoletano, Gregory Soyez,
Giovanni Stagnitto | The single-jet inclusive cross-section and its definition | 19 pages, 6 figures, accepted for publication on PRD | Phys. Rev. D 100, 114015 (2019) | 10.1103/PhysRevD.100.114015 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate some well-known problematic aspects of the single-jet
inclusive cross-section, specifically its non-unitarity and the possibly
related issue of apparent perturbative instability at low orders. We study and
clarify their origin by introducing possible alternative weighted definitions
of the observable w... | [
{
"created": "Thu, 27 Jun 2019 18:00:05 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Dec 2019 09:15:04 GMT",
"version": "v2"
}
] | 2019-12-18 | [
[
"Cacciari",
"Matteo",
""
],
[
"Forte",
"Stefano",
""
],
[
"Napoletano",
"Davide",
""
],
[
"Soyez",
"Gregory",
""
],
[
"Stagnitto",
"Giovanni",
""
]
] | We investigate some well-known problematic aspects of the single-jet inclusive cross-section, specifically its non-unitarity and the possibly related issue of apparent perturbative instability at low orders. We study and clarify their origin by introducing possible alternative weighted definitions of the observable whi... |
hep-ph/0510293 | Ross Young | A. W. Thomas, R. D. Young | Baryon Spectroscopy and the Constituent Quark Model | 8 pages, 2 figures; Invited talk presented by A. W. Thomas at the
Asia-Pacific Few Body Conference, Suranaree University of Technology
(Thailand), July 2005 | null | null | JLAB-THY-05-416 | hep-ph | null | We explore further the idea that the lattice QCD data for hadron properties
in the region m_\pi^2 > 0.2 GeV^2 can be described by the constituent quark
model. This leads to a natural explanation of the fact that nucleon excited
states are generally stable for pion masses greater than their physical
excitation energie... | [
{
"created": "Fri, 21 Oct 2005 19:43:05 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Thomas",
"A. W.",
""
],
[
"Young",
"R. D.",
""
]
] | We explore further the idea that the lattice QCD data for hadron properties in the region m_\pi^2 > 0.2 GeV^2 can be described by the constituent quark model. This leads to a natural explanation of the fact that nucleon excited states are generally stable for pion masses greater than their physical excitation energies.... |
hep-ph/0512220 | Jamal Jalilian-Marian | Ernest M. Henley and Jamal Jalilian-Marian | Ultra-High Energy Neutrino-Nucleon Scattering and Parton Distributions
at Small $x$ | 10 pages, 4 figures, INT-PUB-05-32 | Phys.Rev.D73:094004,2006; AIP Conf.Proc.870:666-668,2006 | 10.1103/PhysRevD.73.094004 | INT-PUB-05-32 | hep-ph | null | The cross section for ultra-high energy neutrino-nucleon scattering is very
sensitive to the parton distributions at very small values of Bjorken x ($x
\leq 10^{-4})$. We numerically investigate the effects of modifying the
behavior of the gluon distribution function at very small $x$ in the DGLAP
evolution equation.... | [
{
"created": "Fri, 16 Dec 2005 23:31:12 GMT",
"version": "v1"
}
] | 2014-11-18 | [
[
"Henley",
"Ernest M.",
""
],
[
"Jalilian-Marian",
"Jamal",
""
]
] | The cross section for ultra-high energy neutrino-nucleon scattering is very sensitive to the parton distributions at very small values of Bjorken x ($x \leq 10^{-4})$. We numerically investigate the effects of modifying the behavior of the gluon distribution function at very small $x$ in the DGLAP evolution equation. W... |
hep-ph/9308267 | null | Sun Myong Kim and Thomas F. Walsh | Moments of the Virtual Photon Structure Function | LaTeX, 16 pages + 14 compressed and uuencoded postscript figures,
UMN-TH-1111/92 | Z.Phys.C72:123-132,1996 | 10.1007/s002880050230 | null | hep-ph | null | The photon structure function is a useful testing ground for QCD. It is
perturbatively computable apart from a contribution from what is usually called
the hadronic component of the photon. There have been many proposals for this
nonperturbative part of the real photon structure function. By studying moments
of the v... | [
{
"created": "Thu, 12 Aug 1993 18:02:15 GMT",
"version": "v1"
}
] | 2010-11-01 | [
[
"Kim",
"Sun Myong",
""
],
[
"Walsh",
"Thomas F.",
""
]
] | The photon structure function is a useful testing ground for QCD. It is perturbatively computable apart from a contribution from what is usually called the hadronic component of the photon. There have been many proposals for this nonperturbative part of the real photon structure function. By studying moments of the vir... |
1909.02619 | Nikolaos Kidonakis | Matthew Forslund and Nikolaos Kidonakis | Soft-gluon corrections for single top quark production in association
with electroweak bosons | 6 pages, 6 figures; Talk presented at the 2019 Meeting of the
Division of Particles and Fields of the American Physical Society (DPF2019),
July 29 - August 2, 2019, Northeastern University, Boston, C1907293 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present results for higher-order soft-gluon radiative corrections for
single top-quark production in association with electroweak bosons, including
$t\gamma$ and $tZ$ production via anomalous FCNC couplings. We provide results
for the total cross sections and differential distributions at LHC energies. We
use $K$-... | [
{
"created": "Thu, 5 Sep 2019 20:18:33 GMT",
"version": "v1"
}
] | 2019-09-09 | [
[
"Forslund",
"Matthew",
""
],
[
"Kidonakis",
"Nikolaos",
""
]
] | We present results for higher-order soft-gluon radiative corrections for single top-quark production in association with electroweak bosons, including $t\gamma$ and $tZ$ production via anomalous FCNC couplings. We provide results for the total cross sections and differential distributions at LHC energies. We use $K$-fa... |
hep-ph/0601114 | Alexander E. Dorokhov | A.E. Dorokhov | Nonlocal Condensates and Current-Current Correlators within the
Instanton Liquid Model | 10 pages, 4 figures, In honour of Professor A. Di Giacomo for his
70th birthday (Adrianofest 26-27th January 2006, Pisa, Italy). To appear in
the Proceedings | null | null | null | hep-ph | null | The quark and gluon nonlocal condensates and current-current correlators are
discussed within the instanton liquid model.
| [
{
"created": "Sat, 14 Jan 2006 07:23:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dorokhov",
"A. E.",
""
]
] | The quark and gluon nonlocal condensates and current-current correlators are discussed within the instanton liquid model. |
1712.06599 | Ulrich Haisch | Ulrich Haisch and Augustinas Malinauskas | Let there be light from a second light Higgs doublet | 21 pages, 14 figures; v3: matches version published in JHEP | null | 10.1007/JHEP03(2018)135 | CERN-TH-2017-276 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article, we demonstrate that the unexpected peak at around $95 \,
{\rm GeV}$ as seen recently by CMS in the di-photon final state can be
explained within the type-I~two-Higgs-doublet model by means of a
moderately-to-strongly fermiophobic CP-even Higgs $H$. Depending on the Higgs
mass spectrum, the production... | [
{
"created": "Mon, 18 Dec 2017 19:00:01 GMT",
"version": "v1"
},
{
"created": "Sun, 24 Dec 2017 14:24:54 GMT",
"version": "v2"
},
{
"created": "Wed, 21 Mar 2018 09:25:28 GMT",
"version": "v3"
}
] | 2018-04-18 | [
[
"Haisch",
"Ulrich",
""
],
[
"Malinauskas",
"Augustinas",
""
]
] | In this article, we demonstrate that the unexpected peak at around $95 \, {\rm GeV}$ as seen recently by CMS in the di-photon final state can be explained within the type-I~two-Higgs-doublet model by means of a moderately-to-strongly fermiophobic CP-even Higgs $H$. Depending on the Higgs mass spectrum, the production o... |
1210.1006 | J. P. Ma | J. P. Ma, Q. Wang and G. P. Zhang | QCD Evolutions of Twist-3 Chirality-Odd Operators | 9 pages, 2 figures | null | 10.1016/j.physletb.2012.12.007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the scale dependence of twist-3 distributions defined with
chirality-odd quark-gluon operators. To derive the scale dependence we
explicitly calculate these distributions of multi-parton states instead of a
hadron. Taking one-loop corrections into account we obtain the leading
evolution kernel in the most ge... | [
{
"created": "Wed, 3 Oct 2012 06:49:56 GMT",
"version": "v1"
}
] | 2015-06-11 | [
[
"Ma",
"J. P.",
""
],
[
"Wang",
"Q.",
""
],
[
"Zhang",
"G. P.",
""
]
] | We study the scale dependence of twist-3 distributions defined with chirality-odd quark-gluon operators. To derive the scale dependence we explicitly calculate these distributions of multi-parton states instead of a hadron. Taking one-loop corrections into account we obtain the leading evolution kernel in the most gene... |
hep-ph/9511457 | Jacek Wosiek | Wolfgang Ochs (Max-Planck-Institute, Werner Heisenberg Institute) and
Jacek Wosiek (Jagellonian University) | Critical Angle in the Parton Cascade | 21 pages, prepared with RevTeX , 6 uufiled postscript figures | Z.Phys. C72 (1996) 263-269 | 10.1007/BF02909153 | MPI-Ph/95-85, TPJU-17/95 | hep-ph | null | The angular correlation function of partons in a jet, as derived from
perturbative QCD, is nonanalytic at a critical angle which separates a
multiparticle regime with scaling properties from a regime with few particles
near the hadronisation scale. Some phenomenological consequences are discussed.
| [
{
"created": "Wed, 29 Nov 1995 16:44:09 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Ochs",
"Wolfgang",
"",
"Max-Planck-Institute, Werner Heisenberg Institute"
],
[
"Wosiek",
"Jacek",
"",
"Jagellonian University"
]
] | The angular correlation function of partons in a jet, as derived from perturbative QCD, is nonanalytic at a critical angle which separates a multiparticle regime with scaling properties from a regime with few particles near the hadronisation scale. Some phenomenological consequences are discussed. |
hep-ph/0112178 | Daniel Magestro | Daniel Magestro (GSI-Darmstadt) | Evidence for chemical equilibration at RHIC | Talk presented at Strange Quarks in Matter 2001, Frankfurt, September
24-29, 2001. Proceedings to be published by J. Phys. G. 8 pages with 4
figures | J.Phys.G28:1745-1752,2002 | 10.1088/0954-3899/28/7/328 | null | hep-ph | null | This contribution focuses on the results of statistical model calculations at
RHIC energies, including recently available experimental data. Previous
calculations of particle yield ratios showed good agreement with measurements
at SPS and lower energies, suggesting that the composite system possesses a
high degree of... | [
{
"created": "Thu, 13 Dec 2001 12:54:05 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Magestro",
"Daniel",
"",
"GSI-Darmstadt"
]
] | This contribution focuses on the results of statistical model calculations at RHIC energies, including recently available experimental data. Previous calculations of particle yield ratios showed good agreement with measurements at SPS and lower energies, suggesting that the composite system possesses a high degree of c... |
1610.05382 | Jean-Philippe Lansberg | Jean-Philippe Lansberg, Hua-Sheng Shao | Towards an automated tool to evaluate the impact of the nuclear
modification of the gluon density on quarkonium, D and B meson production in
proton-nucleus collisions | 18 pages, 56 figures, 4 tables. Latex | null | 10.1140/epjc/s10052-016-4575-x | CERN-TH-2016-206 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a simple and model-independent procedure to account for the impact
of the nuclear modification of the gluon density as encoded in nuclear
collinear PDF sets on two-to-two partonic hard processes in proton-nucleus
collisions. This applies to a good approximation to quarkonium, D and B meson
production, gene... | [
{
"created": "Mon, 17 Oct 2016 23:40:03 GMT",
"version": "v1"
}
] | 2016-12-30 | [
[
"Lansberg",
"Jean-Philippe",
""
],
[
"Shao",
"Hua-Sheng",
""
]
] | We propose a simple and model-independent procedure to account for the impact of the nuclear modification of the gluon density as encoded in nuclear collinear PDF sets on two-to-two partonic hard processes in proton-nucleus collisions. This applies to a good approximation to quarkonium, D and B meson production, generi... |
0710.0525 | Luis Anchordoqui | Luis A. Anchordoqui, Antonio Delgado, Carlos A. Garcia Canal, Sergio
J. Sciutto | Hunting long-lived gluinos at the Pierre Auger Observatory | 13 pages revtex, 9 eps figures. A ps version with high resolution
figures is available at
http://www.hep.physics.neu.edu/staff/doqui/rhadron_highres.ps | Phys.Rev.D77:023009,2008 | 10.1103/PhysRevD.77.023009 | CERN-PH-TH/2007-120 | hep-ph | null | Eventual signals of split sypersymmetry in cosmic ray physics are analyzed in
detail. The study focusses particularly on quasi-stable colorless R-hadrons
originating through confinement of long-lived gluinos (with quarks,
anti-quarks, and gluons) produced in pp collisions at astrophysical sources.
Because of parton d... | [
{
"created": "Tue, 2 Oct 2007 13:24:40 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Anchordoqui",
"Luis A.",
""
],
[
"Delgado",
"Antonio",
""
],
[
"Canal",
"Carlos A. Garcia",
""
],
[
"Sciutto",
"Sergio J.",
""
]
] | Eventual signals of split sypersymmetry in cosmic ray physics are analyzed in detail. The study focusses particularly on quasi-stable colorless R-hadrons originating through confinement of long-lived gluinos (with quarks, anti-quarks, and gluons) produced in pp collisions at astrophysical sources. Because of parton den... |
1309.6332 | Samuel Wallon | A. Besse, L. Szymanowski and S. Wallon | High energy rho meson leptoproduction | 6 pages, 3 figures, proceedings of the International Workshop on Low
X Physics, May 30 - June 4 2013, Rehovot and Eilat, Israel | null | null | LPT-ORSAY-13-63 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the longitudinal and transverse polarized cross-sections of
the leptoproduction of the rho meson in the high energy limit. Our model is
based on the computation of the impact factor gamma*(lambda_gamma) ->
rho(lambda_rho) using the twist expansion in the forward limit and expressed in
the impact parame... | [
{
"created": "Tue, 24 Sep 2013 20:08:21 GMT",
"version": "v1"
}
] | 2013-09-26 | [
[
"Besse",
"A.",
""
],
[
"Szymanowski",
"L.",
""
],
[
"Wallon",
"S.",
""
]
] | We investigate the longitudinal and transverse polarized cross-sections of the leptoproduction of the rho meson in the high energy limit. Our model is based on the computation of the impact factor gamma*(lambda_gamma) -> rho(lambda_rho) using the twist expansion in the forward limit and expressed in the impact paramete... |
1408.6648 | Vladimir Braun M | V.M. Braun and A. N. Manashov | QCD evolution equations from conformal symmetry | 8 pages, contribution to the proceedings of the conferences "Loops
and Legs in Quantum Field Theory", April 27 - May 02, 2014, Weimar, Germany,
and "QCD Evolution Workshop", May 12-16, 2014, Santa Fe, USA | null | 10.1142/S2010194515600484 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | QCD evolution equations in $\text{MS}$-like schemes can be recovered from the
same equations in a modified theory, QCD in non-integer $d=4-2\epsilon$
dimensions, which enjoys exact scale and conformal invariance at the critical
point. Restrictions imposed by the conformal symmetry of the modified theory
allow one to ... | [
{
"created": "Thu, 28 Aug 2014 08:36:12 GMT",
"version": "v1"
}
] | 2015-06-22 | [
[
"Braun",
"V. M.",
""
],
[
"Manashov",
"A. N.",
""
]
] | QCD evolution equations in $\text{MS}$-like schemes can be recovered from the same equations in a modified theory, QCD in non-integer $d=4-2\epsilon$ dimensions, which enjoys exact scale and conformal invariance at the critical point. Restrictions imposed by the conformal symmetry of the modified theory allow one to ob... |
hep-ph/9501301 | null | M. H. Friedman | ANOTHER LOOK AT THE EINSTEIN-MAXWELL EQUATIONS | 6 pages, Latex | null | null | null | hep-ph | null | An electric monopole solution to the equations of Maxwell and Einstein's
general relativity is displayed. It differs from the usual one in that all
components of the metric vanish at large spatial distances from the charge
rather than approaching the Minkowski metric. This enables us to find an
approximate solution t... | [
{
"created": "Sun, 15 Jan 1995 05:22:07 GMT",
"version": "v1"
}
] | 2016-09-01 | [
[
"Friedman",
"M. H.",
""
]
] | An electric monopole solution to the equations of Maxwell and Einstein's general relativity is displayed. It differs from the usual one in that all components of the metric vanish at large spatial distances from the charge rather than approaching the Minkowski metric. This enables us to find an approximate solution to ... |
hep-ph/9508329 | Chun Eung Jin | E.J. Chun, A.S. Yoshipura, A.Yu. Smirnov | Light Singlet Fermions and Neutrino Physics | 12 pages, Latex, 1 figure included (Talk presented at the workshop
Valencia 95) | null | null | IC/95/240 | hep-ph | null | The existence of a light singlet fermion mixed with the electron neutrino is
hinted by the simultaneous explanation of various neutrino anomalies. We show
that supersymmetry can provide a natural framework for the existence and the
desired properties of such a fermion. Quasi Goldstone fermions (QGF) of
spontaneously ... | [
{
"created": "Fri, 18 Aug 1995 10:21:10 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Chun",
"E. J.",
""
],
[
"Yoshipura",
"A. S.",
""
],
[
"Smirnov",
"A. Yu.",
""
]
] | The existence of a light singlet fermion mixed with the electron neutrino is hinted by the simultaneous explanation of various neutrino anomalies. We show that supersymmetry can provide a natural framework for the existence and the desired properties of such a fermion. Quasi Goldstone fermions (QGF) of spontaneously br... |
1709.03148 | Kazem Azizi | S. S. Agaev, K. Azizi, H. Sundu | Spectroscopic parameters and decays of the resonance $Z_b(10610)$ | 12 Pages, 5 Figures and 2 Tables | null | 10.1140/epjc/s10052-017-5421-5 | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The resonance $Z_b(10610)$ is investigated as the diquark-antidiquark $
Z_b=[bu][\overline b \overline d]$ state with spin-parities $J^{PC}=1^{+-}$.
The mass and current coupling of the resonance $Z_b(10610)$ are evaluated using
QCD two-point sum rule and taking into account the vacuum condensates up to ten
dimension... | [
{
"created": "Sun, 10 Sep 2017 17:59:31 GMT",
"version": "v1"
},
{
"created": "Sun, 26 Nov 2017 11:10:08 GMT",
"version": "v2"
}
] | 2018-01-17 | [
[
"Agaev",
"S. S.",
""
],
[
"Azizi",
"K.",
""
],
[
"Sundu",
"H.",
""
]
] | The resonance $Z_b(10610)$ is investigated as the diquark-antidiquark $ Z_b=[bu][\overline b \overline d]$ state with spin-parities $J^{PC}=1^{+-}$. The mass and current coupling of the resonance $Z_b(10610)$ are evaluated using QCD two-point sum rule and taking into account the vacuum condensates up to ten dimensions.... |
2009.13667 | Jo\~ao Barata | Joao Barata, Yacine Mehtar-Tani, Alba Soto-Ontoso, Konrad Tywoniuk | Revisiting transverse momentum broadening in dense QCD media | Fixed typos from previous version. Main results unchanged; figures
were updated. Matches published version | Phys. Rev. D 104, 054047 (2021) | 10.1103/PhysRevD.104.054047 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We reconsider the problem of transverse momentum broadening of a
highly-energetic parton suffering multiple scatterings in dense colored media,
such as the thermal Quark-Gluon plasma or large nuclei. In the framework of
Moli\`ere's theory of multiple scattering we re-derive a simple analytic
formula, to be used in je... | [
{
"created": "Mon, 28 Sep 2020 22:36:34 GMT",
"version": "v1"
},
{
"created": "Sun, 12 Sep 2021 22:23:52 GMT",
"version": "v2"
}
] | 2021-10-04 | [
[
"Barata",
"Joao",
""
],
[
"Mehtar-Tani",
"Yacine",
""
],
[
"Soto-Ontoso",
"Alba",
""
],
[
"Tywoniuk",
"Konrad",
""
]
] | We reconsider the problem of transverse momentum broadening of a highly-energetic parton suffering multiple scatterings in dense colored media, such as the thermal Quark-Gluon plasma or large nuclei. In the framework of Moli\`ere's theory of multiple scattering we re-derive a simple analytic formula, to be used in jet ... |
2302.01718 | Zhi-Gang Wang | Xiao-Song Yang, Qi Xin, Zhi-Gang Wang | Analysis of the $T_{c\bar{s}}(2900)$ and related tetraquark states with
the QCD sum rules | 20 pages, 7 figures | Int. J. Mod. Phys. A38 (2023) 2350056 | 10.1142/S0217751X23500562 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In this research, we tentatively assign the $T_{c\bar{s}}(2900)$ as the
$A\bar{A}$-type tetraquark state, and study the mass spectrum of the tetraquark
states with strange and doubly strange, which have the spin-parity $J^P = 0^+$,
$1^+$ and $2^+$, in the framework of the QCD sum rules in details, where the
$A$ denot... | [
{
"created": "Fri, 3 Feb 2023 13:14:43 GMT",
"version": "v1"
},
{
"created": "Mon, 17 Apr 2023 13:45:41 GMT",
"version": "v2"
}
] | 2023-06-16 | [
[
"Yang",
"Xiao-Song",
""
],
[
"Xin",
"Qi",
""
],
[
"Wang",
"Zhi-Gang",
""
]
] | In this research, we tentatively assign the $T_{c\bar{s}}(2900)$ as the $A\bar{A}$-type tetraquark state, and study the mass spectrum of the tetraquark states with strange and doubly strange, which have the spin-parity $J^P = 0^+$, $1^+$ and $2^+$, in the framework of the QCD sum rules in details, where the $A$ denotes... |
hep-ph/0512267 | Graciela B. Gelmini | Graciela B. Gelmini | GZK photons as UHECR above 10$^{19}$ eV | Talk given at TAUP2005, Sept. 10-14 2005, Zaragoza (Spain); 3 pages,
2 figures | J.Phys.Conf.Ser. 39 (2006) 419-421 | 10.1088/1742-6596/39/1/108 | UCLA/05/TEP/32 | hep-ph | null | "GZK photons" are produced by extragalactic nucleons through the resonant
photoproduction of pions. We present the expected range of the GZK photon
fraction of UHECR, assuming a particular UHECR spectrum and primary nucleons,
and compare it with the minimal photon fraction predicted by Top-Down models.
| [
{
"created": "Tue, 20 Dec 2005 23:25:02 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Gelmini",
"Graciela B.",
""
]
] | "GZK photons" are produced by extragalactic nucleons through the resonant photoproduction of pions. We present the expected range of the GZK photon fraction of UHECR, assuming a particular UHECR spectrum and primary nucleons, and compare it with the minimal photon fraction predicted by Top-Down models. |
0710.4463 | Sascha Vogel | S.Vogel, H. Petersen, K. Schmidt, E. Santini, C. Sturm, J. Aichelin
and M. Bleicher | How Sensitive are Di-Leptons from Rho Mesons to the High Baryon Density
Region? | 8 pages, 6 figures, expanded version | Phys.Rev.C78:044909,2008 | 10.1103/PhysRevC.78.044909 | null | hep-ph | null | We show that the measurement of di-leptons might provide only a restricted
view into the most dense stages of heavy ion reactions. Thus, possible studies
of meson and baryon properties at high baryon densities, as e.g. done at
GSI-HADES and envisioned for FAIR-CBM, might observe weaker effects than
currently expected... | [
{
"created": "Wed, 24 Oct 2007 13:16:22 GMT",
"version": "v1"
},
{
"created": "Tue, 20 May 2008 14:12:28 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Vogel",
"S.",
""
],
[
"Petersen",
"H.",
""
],
[
"Schmidt",
"K.",
""
],
[
"Santini",
"E.",
""
],
[
"Sturm",
"C.",
""
],
[
"Aichelin",
"J.",
""
],
[
"Bleicher",
"M.",
""
]
] | We show that the measurement of di-leptons might provide only a restricted view into the most dense stages of heavy ion reactions. Thus, possible studies of meson and baryon properties at high baryon densities, as e.g. done at GSI-HADES and envisioned for FAIR-CBM, might observe weaker effects than currently expected i... |
2203.02758 | Wasif Husain | Wasif Husain, Theo F. Motta and Anthony W. Thomas | Consequences of neutron decay inside neutron stars | 6 figures | null | 10.1088/1475-7516/2022/10/028 | null | hep-ph nucl-th | http://creativecommons.org/publicdomain/zero/1.0/ | The hypothesis that neutrons might decay into dark matter is explored using
neutron stars as a testing ground. It is found that in order to obtain stars
with masses at the upper end of those observed, the dark matter must experience
a relatively strong self-interaction. Conservation of baryon number and energy
then r... | [
{
"created": "Sat, 5 Mar 2022 14:24:48 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Mar 2022 02:10:23 GMT",
"version": "v2"
},
{
"created": "Thu, 11 Aug 2022 05:13:30 GMT",
"version": "v3"
}
] | 2022-10-26 | [
[
"Husain",
"Wasif",
""
],
[
"Motta",
"Theo F.",
""
],
[
"Thomas",
"Anthony W.",
""
]
] | The hypothesis that neutrons might decay into dark matter is explored using neutron stars as a testing ground. It is found that in order to obtain stars with masses at the upper end of those observed, the dark matter must experience a relatively strong self-interaction. Conservation of baryon number and energy then req... |
1910.13482 | Antonio Costantini | Antonio Costantini | BSM Physics from Enlarged Gauge Symmetry: the 331 Model, a case of study | 6 pages, 2 figures, 1 table. Contribution for the European Physical
Society Conference on High Energy Physics - EPS-HEP2019 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the most relevant features of a BSM model with extra gauge
symmetry, the so called 331 model. The gauge group is $SU(3)_c\times SU(3)_L
\times U(1)_X$ impling the presence of extra gauge bosons, both charged and
neutral, as well as extra/exotic fermions and an enlarged scalar sector. We
present the relevan... | [
{
"created": "Tue, 29 Oct 2019 19:11:04 GMT",
"version": "v1"
}
] | 2019-10-31 | [
[
"Costantini",
"Antonio",
""
]
] | We discuss the most relevant features of a BSM model with extra gauge symmetry, the so called 331 model. The gauge group is $SU(3)_c\times SU(3)_L \times U(1)_X$ impling the presence of extra gauge bosons, both charged and neutral, as well as extra/exotic fermions and an enlarged scalar sector. We present the relevant ... |
2002.04553 | Kazem Azizi | S. S. Agaev, K. Azizi, B. Barsbay, H. Sundu | A family of double-beauty tetraquarks: Axial-vector state
$T_{bb;\bar{u}\bar{s}}^{-}$ | 14 Pages, 5 Figures and 3 Tables. To be published in Chinese Physics
C | null | 10.1088/1674-1137/abc16d | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The spectroscopic parameters and decay channels of the axial-vector
tetraquark $T_{bb;\overline{u}\overline{s}}^{-}$ (in what follows, $T_{b:
\overline{s}}^{\mathrm{AV}}$) are explored using the quantum chromodynamics
(QCD) sum rule method. The mass and coupling of this state are calculated using
two-point sum rules ... | [
{
"created": "Tue, 11 Feb 2020 17:18:28 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Mar 2020 08:56:22 GMT",
"version": "v2"
},
{
"created": "Tue, 1 Sep 2020 04:10:16 GMT",
"version": "v3"
},
{
"created": "Fri, 23 Oct 2020 16:25:22 GMT",
"version": "v4"
}
] | 2021-02-03 | [
[
"Agaev",
"S. S.",
""
],
[
"Azizi",
"K.",
""
],
[
"Barsbay",
"B.",
""
],
[
"Sundu",
"H.",
""
]
] | The spectroscopic parameters and decay channels of the axial-vector tetraquark $T_{bb;\overline{u}\overline{s}}^{-}$ (in what follows, $T_{b: \overline{s}}^{\mathrm{AV}}$) are explored using the quantum chromodynamics (QCD) sum rule method. The mass and coupling of this state are calculated using two-point sum rules by... |
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