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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1310.1082 | Ulrich Haisch | Rhorry Gauld, Florian Goertz and Ulrich Haisch | An explicit Z'-boson explanation of the B->K*mu+mu- anomaly | 20 pages, 5 figures; v2: Eqs. (9.2), (9.4) and (9.5) corrected, typos
fixed and references added; matches version published in JHEP | null | 10.1007/JHEP01(2014)069 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A global fit to the recent B->K*mu+mu- data shows indications for a large
new-physics contribution to the Wilson coefficient of the semi-leptonic vector
operator. In this article we consider a simple Z'-boson model of 3-3-1 type
that can accommodate such an effect without violating any other constraint from
quark-fla... | [
{
"created": "Thu, 3 Oct 2013 20:00:01 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Jan 2014 08:03:20 GMT",
"version": "v2"
}
] | 2015-06-17 | [
[
"Gauld",
"Rhorry",
""
],
[
"Goertz",
"Florian",
""
],
[
"Haisch",
"Ulrich",
""
]
] | A global fit to the recent B->K*mu+mu- data shows indications for a large new-physics contribution to the Wilson coefficient of the semi-leptonic vector operator. In this article we consider a simple Z'-boson model of 3-3-1 type that can accommodate such an effect without violating any other constraint from quark-flavo... |
1108.2442 | Xing-Gang Wu | Xian-You Wang and Xing-Gang Wu | A Trick to Improve the Efficiency of Generating Unweighted $B_c$ Events
from BCVEGPY | 4 pages, 2 figures. To be published in Computer Physics
Communications | Comput.Phys.Commun. 183, 442-445 (2012) | 10.1016/j.cpc.2011.08.024 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the present paper, we provide an addendum to improve the efficiency of
generating unweighted events within PYTHIA environment for the generator
BCVEGPY2.1 [C.H. Chang, J.X. Wang and X.G. Wu, Comput.Phys.Commun.{\bf 174},
241(2006)]. This trick is helpful for experimental simulation. Moreover, the
BCVEGPY output ha... | [
{
"created": "Thu, 11 Aug 2011 16:13:13 GMT",
"version": "v1"
}
] | 2011-11-18 | [
[
"Wang",
"Xian-You",
""
],
[
"Wu",
"Xing-Gang",
""
]
] | In the present paper, we provide an addendum to improve the efficiency of generating unweighted events within PYTHIA environment for the generator BCVEGPY2.1 [C.H. Chang, J.X. Wang and X.G. Wu, Comput.Phys.Commun.{\bf 174}, 241(2006)]. This trick is helpful for experimental simulation. Moreover, the BCVEGPY output has ... |
1910.09981 | Zhi-Gang Wang | Zhi-Gang Wang | Two-particle contributions and nonlocal effects in the QCD sum rules for
the axialvector tetraquark candidate $Z_c(3900)$ | 23 pages, 24 figures | Int. J. Mod. Phys. A35 (2020) 2050138 | 10.1142/S0217751X20501389 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article, we study the $Z_c(3900)$ with the QCD sum rules in details
by including the two-particle scattering state contributions and nonlocal
effects between the diquark and antidiquark constituents. The two-particle
scattering state contributions cannot saturate the QCD sum rules at the hadron
side, the cont... | [
{
"created": "Tue, 22 Oct 2019 13:49:27 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Dec 2019 01:45:28 GMT",
"version": "v2"
},
{
"created": "Sat, 22 Feb 2020 07:48:22 GMT",
"version": "v3"
},
{
"created": "Tue, 16 Jun 2020 13:47:45 GMT",
"version": "v4"
},
{
"c... | 2020-09-03 | [
[
"Wang",
"Zhi-Gang",
""
]
] | In this article, we study the $Z_c(3900)$ with the QCD sum rules in details by including the two-particle scattering state contributions and nonlocal effects between the diquark and antidiquark constituents. The two-particle scattering state contributions cannot saturate the QCD sum rules at the hadron side, the contri... |
0910.2435 | Albert Villanova del Moral | M. Hirsch, T. Kernreiter, J. C. Romao, and Albert Villanova del Moral | Minimal Supersymmetric Inverse Seesaw: Neutrino masses, lepton flavour
violation and LHC phenomenology | 26 pages, 4 figures; added explanatory comments, final version for
publication | JHEP 1001:103,2010 | 10.1007/JHEP01(2010)103 | IFIC/09-48, CFTP/09-033 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study neutrino masses in the framework of the supersymmetric inverse
seesaw model. Different from the non-supersymmetric version a minimal
realization with just one pair of singlets is sufficient to explain all
neutrino data. We compute the neutrino mass matrix up to 1-loop order and show
how neutrino data can be ... | [
{
"created": "Tue, 13 Oct 2009 17:26:49 GMT",
"version": "v1"
},
{
"created": "Mon, 8 Feb 2010 13:23:44 GMT",
"version": "v2"
}
] | 2010-02-08 | [
[
"Hirsch",
"M.",
""
],
[
"Kernreiter",
"T.",
""
],
[
"Romao",
"J. C.",
""
],
[
"del Moral",
"Albert Villanova",
""
]
] | We study neutrino masses in the framework of the supersymmetric inverse seesaw model. Different from the non-supersymmetric version a minimal realization with just one pair of singlets is sufficient to explain all neutrino data. We compute the neutrino mass matrix up to 1-loop order and show how neutrino data can be de... |
2108.03828 | Claude Duhr | Claude Duhr, Vladimir A. Smirnov, Lorenzo Tancredi | Analytic results for two-loop planar master integrals for Bhabha
scattering | 28 pages, 3 figures | null | 10.1007/JHEP09(2021)120 | BONN-TH-2021-06, OUTP-21-19P | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analytically evaluate the master integrals for the second type of planar
contributions to the massive two-loop Bhabha scattering in QED using
differential equa- tions with canonical bases. We obtain results in terms of
multiple polylogarithms for all the master integrals but one, for which we
derive a compact resu... | [
{
"created": "Mon, 9 Aug 2021 06:21:44 GMT",
"version": "v1"
}
] | 2021-10-04 | [
[
"Duhr",
"Claude",
""
],
[
"Smirnov",
"Vladimir A.",
""
],
[
"Tancredi",
"Lorenzo",
""
]
] | We analytically evaluate the master integrals for the second type of planar contributions to the massive two-loop Bhabha scattering in QED using differential equa- tions with canonical bases. We obtain results in terms of multiple polylogarithms for all the master integrals but one, for which we derive a compact result... |
hep-ph/9705301 | null | J.R. Pelaez (Dept. Fisica Teorica, Univ. Complutense. Madrid. Spain) | Strong WW scattering and resonances at LHC | 5 pages, Latex, uses epsf, one eps figure. Contribution to the 32nd
Rencontres de Moriond ``Electroweak Interactions and Unified Theories'' | null | null | FT/UCM-3/97 | hep-ph | null | The low energy dynamics of the general strongly interacting symmetry breaking
sector can be easily described using effective chiral Lagrangians. Indeed, the
enhancement in WW scattering at LHC, that would imply the existence of such an
strong interaction, can be described with just two chiral parameters. These
techni... | [
{
"created": "Tue, 13 May 1997 11:49:38 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Pelaez",
"J. R.",
"",
"Dept. Fisica Teorica, Univ. Complutense. Madrid. Spain"
]
] | The low energy dynamics of the general strongly interacting symmetry breaking sector can be easily described using effective chiral Lagrangians. Indeed, the enhancement in WW scattering at LHC, that would imply the existence of such an strong interaction, can be described with just two chiral parameters. These techniqu... |
0805.3993 | Zvi Bern | Z. Bern, J. J. M. Carrasco and H. Johansson | New Relations for Gauge-Theory Amplitudes | 40 pages, 7 figures, RevTex, v2 minor corrections | Phys.Rev.D78:085011,2008 | 10.1103/PhysRevD.78.085011 | UCLA/07/TEP/15 | hep-ph gr-qc hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present an identity satisfied by the kinematic factors of diagrams
describing the tree amplitudes of massless gauge theories. This identity is a
kinematic analog of the Jacobi identity for color factors. Using this we find
new relations between color-ordered partial amplitudes. We discuss applications
to multi-loo... | [
{
"created": "Mon, 26 May 2008 18:56:06 GMT",
"version": "v1"
},
{
"created": "Fri, 10 Oct 2008 23:08:40 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Bern",
"Z.",
""
],
[
"Carrasco",
"J. J. M.",
""
],
[
"Johansson",
"H.",
""
]
] | We present an identity satisfied by the kinematic factors of diagrams describing the tree amplitudes of massless gauge theories. This identity is a kinematic analog of the Jacobi identity for color factors. Using this we find new relations between color-ordered partial amplitudes. We discuss applications to multi-loop ... |
hep-ph/0412127 | Hee-Jung Lee | Hee-Jung Lee, N.I. Kochelev, and V. Vento | Triquark correlations and pentaquarks in a QCD sum rule approach | 11 pages, 9 figures, corrected typos, reference added, introduction
and conclusions modified slightly | Phys.Lett. B610 (2005) 50-60 | 10.1016/j.physletb.2005.01.081 | FTUV-04-1209, IFIC-04-70 | hep-ph hep-ex nucl-th | null | The role of quark correlations in the description of hadron dynamics in many
domains of physics, from low energy dynamics to very hot(dense) systems, is
being appreciated. Strong correlations of two quarks (diquark) have been widely
investigated in this respect. Recently, we have proposed a dynamical scheme to
descri... | [
{
"created": "Thu, 9 Dec 2004 15:08:58 GMT",
"version": "v1"
},
{
"created": "Fri, 10 Dec 2004 14:20:36 GMT",
"version": "v2"
},
{
"created": "Thu, 16 Dec 2004 16:37:06 GMT",
"version": "v3"
},
{
"created": "Wed, 26 Jan 2005 09:11:38 GMT",
"version": "v4"
}
] | 2009-11-10 | [
[
"Lee",
"Hee-Jung",
""
],
[
"Kochelev",
"N. I.",
""
],
[
"Vento",
"V.",
""
]
] | The role of quark correlations in the description of hadron dynamics in many domains of physics, from low energy dynamics to very hot(dense) systems, is being appreciated. Strong correlations of two quarks (diquark) have been widely investigated in this respect. Recently, we have proposed a dynamical scheme to describe... |
hep-ph/0407056 | Aleksey I. Alekseev | A.I. Alekseev, B.A. Arbuzov | Beta-Function in QCD and Gluon Condensate | LaTeX, 10 pages, 2 figures, added reference, not great elucidation
after eq.(3) and in abstract | null | null | null | hep-ph | null | Under assumption of singular behavior of alpha_s(q^2) at q^2 sim 0 and of
large q^2 behavior, corresponding to the perturbation theory up to four loops,
a procedure is considered of matching the beta-function at a boundary of
perturbative and non-perturbative regions. The contribution of the
non-perturbative region t... | [
{
"created": "Mon, 5 Jul 2004 15:42:33 GMT",
"version": "v1"
},
{
"created": "Fri, 27 Aug 2004 09:36:31 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Alekseev",
"A. I.",
""
],
[
"Arbuzov",
"B. A.",
""
]
] | Under assumption of singular behavior of alpha_s(q^2) at q^2 sim 0 and of large q^2 behavior, corresponding to the perturbation theory up to four loops, a procedure is considered of matching the beta-function at a boundary of perturbative and non-perturbative regions. The contribution of the non-perturbative region to ... |
0909.3196 | Krzysztof Rolbiecki | Krzysztof Rolbiecki, Jamie Tattersall and Gudrid Moortgat-Pick | Towards Measuring the Stop Mixing Angle at the LHC | 30 pages, 11 figures, version to appear in EPJC | Eur.Phys.J.C71:1517,2011 | 10.1140/epjc/s10052-010-1517-x | IPPP-09-55, DCPT-09-110 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We address the question of how to determine the stop mixing angle and its
CP-violating phase at the LHC. As an observable we discuss ratios of branching
ratios for different decay modes of the light stop ~t_1 to charginos and
neutralinos. These observables can have a very strong dependence on the
parameters of the st... | [
{
"created": "Thu, 17 Sep 2009 12:04:11 GMT",
"version": "v1"
},
{
"created": "Thu, 6 Jan 2011 13:17:54 GMT",
"version": "v2"
}
] | 2015-03-13 | [
[
"Rolbiecki",
"Krzysztof",
""
],
[
"Tattersall",
"Jamie",
""
],
[
"Moortgat-Pick",
"Gudrid",
""
]
] | We address the question of how to determine the stop mixing angle and its CP-violating phase at the LHC. As an observable we discuss ratios of branching ratios for different decay modes of the light stop ~t_1 to charginos and neutralinos. These observables can have a very strong dependence on the parameters of the stop... |
1601.00602 | Karim Ghorbani | Karim Ghorbani (Arak U.) and Parsa Hossein Ghorbani (IPM, Tehran) | The LHC upper bounds for $pp \to \text{diboson}$, $t\bar t$ cross
section on fermionic dark matter | 14 pages, text modified by adding a computation on pp into dibosons
and tt, published version | null | 10.1142/S0217751X17501317 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The ATLAS report in August 2016 provided an upper limit for the $pp\to$
diboson and $t\bar t$ cross sections. We consider a pseudoscalar-mediated
fermionic dark matter together with gluon and photon effective operators
interacting with the pseudoscalar. Choosing the resonance mass being
$m_\rho=200, 750$ GeV and $2$ ... | [
{
"created": "Mon, 4 Jan 2016 18:38:27 GMT",
"version": "v1"
},
{
"created": "Thu, 28 Apr 2016 06:04:00 GMT",
"version": "v2"
},
{
"created": "Sat, 29 Jul 2017 16:19:17 GMT",
"version": "v3"
}
] | 2017-08-01 | [
[
"Ghorbani",
"Karim",
"",
"Arak U."
],
[
"Ghorbani",
"Parsa Hossein",
"",
"IPM, Tehran"
]
] | The ATLAS report in August 2016 provided an upper limit for the $pp\to$ diboson and $t\bar t$ cross sections. We consider a pseudoscalar-mediated fermionic dark matter together with gluon and photon effective operators interacting with the pseudoscalar. Choosing the resonance mass being $m_\rho=200, 750$ GeV and $2$ Te... |
0901.0283 | Itay Yavin | Matthew Baumgart, Clifford Cheung, Joshua T. Ruderman, Lian-Tao Wang,
and Itay Yavin | Non-Abelian Dark Sectors and Their Collider Signatures | 44 pages, 25 figures, version published in JHEP | JHEP 0904:014,2009 | 10.1088/1126-6708/2009/04/014 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Motivated by the recent proliferation of observed astrophysical anomalies,
Arkani-Hamed et al. have proposed a model in which dark matter is charged under
a non-abelian "dark" gauge symmetry that is broken at ~ 1 GeV. In this paper,
we present a survey of concrete models realizing such a scenario, followed by a
large... | [
{
"created": "Mon, 5 Jan 2009 19:51:25 GMT",
"version": "v1"
},
{
"created": "Fri, 3 Apr 2009 12:11:45 GMT",
"version": "v2"
}
] | 2009-04-17 | [
[
"Baumgart",
"Matthew",
""
],
[
"Cheung",
"Clifford",
""
],
[
"Ruderman",
"Joshua T.",
""
],
[
"Wang",
"Lian-Tao",
""
],
[
"Yavin",
"Itay",
""
]
] | Motivated by the recent proliferation of observed astrophysical anomalies, Arkani-Hamed et al. have proposed a model in which dark matter is charged under a non-abelian "dark" gauge symmetry that is broken at ~ 1 GeV. In this paper, we present a survey of concrete models realizing such a scenario, followed by a largely... |
hep-ph/0310016 | Stefano Forte | Guido Altarelli, Richard D. Ball, Stefano Forte | An Improved Splitting Function for Small x Evolution | 5 pages, 2 figures, presented by G.A.at DIS2003 | null | null | CERN-TH/2003-238, Edinburgh 2003/18, IFUM-774/FT | hep-ph | null | We summarize our recent result for a splitting function for small x evolution
which includes resummed small x logarithms deduced from the leading order BFKL
equation with the inclusion of running coupling effects. We compare this
improved splitting function with alternative approaches.
| [
{
"created": "Wed, 1 Oct 2003 13:11:38 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Altarelli",
"Guido",
""
],
[
"Ball",
"Richard D.",
""
],
[
"Forte",
"Stefano",
""
]
] | We summarize our recent result for a splitting function for small x evolution which includes resummed small x logarithms deduced from the leading order BFKL equation with the inclusion of running coupling effects. We compare this improved splitting function with alternative approaches. |
hep-ph/0601052 | Joseph Schechter | Deirdre Black, Masayasu Harada and Joseph Schechter | Chiral approach to phi radiative decays | 26 pages, 10 figures, dedicated to celebration of sixtieth birthday
of Rafael Sorkin | Phys.Rev. D73 (2006) 054017 | 10.1103/PhysRevD.73.054017 | DPNU-05-19, SU-4252-820 | hep-ph | null | The radiative decays of the phi meson are known to be a good source of
information about the a0(980) and f0(980) scalar mesons. We discuss these
decays starting from a non-linear model Lagrangian which maintains the (broken)
chiral symmetry for the pseudoscalar (P), scalar (S) and vector (V) nonets
involved. The char... | [
{
"created": "Fri, 6 Jan 2006 19:06:28 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Black",
"Deirdre",
""
],
[
"Harada",
"Masayasu",
""
],
[
"Schechter",
"Joseph",
""
]
] | The radiative decays of the phi meson are known to be a good source of information about the a0(980) and f0(980) scalar mesons. We discuss these decays starting from a non-linear model Lagrangian which maintains the (broken) chiral symmetry for the pseudoscalar (P), scalar (S) and vector (V) nonets involved. The charac... |
1105.5529 | Dorota Sokolowska | Maria Krawczyk, Dorota Sokolowska | The Inert Doublet Model and evolution of the Universe | 4 pages, 5 figures (eps), talk presented at 10th Hellenic School on
Elementary Particle Physics and Gravity, Corfu 2010. Proceedings are to be
published in Fortschritte der Physik | Fortschr. Phys. 59, No. 11 - 12, 1098 - 1102 (2011) | 10.1002/prop.201100070 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Inert Doublet Model (IDM) is a minimal extension of the Standard Model with
the second scalar doublet that may provide a Dark Matter candidate. In this
paper we consider the different variants of the evolution of the Universe after
inflation, that lead towards the Inert phase today.
| [
{
"created": "Fri, 27 May 2011 11:24:15 GMT",
"version": "v1"
}
] | 2016-02-03 | [
[
"Krawczyk",
"Maria",
""
],
[
"Sokolowska",
"Dorota",
""
]
] | Inert Doublet Model (IDM) is a minimal extension of the Standard Model with the second scalar doublet that may provide a Dark Matter candidate. In this paper we consider the different variants of the evolution of the Universe after inflation, that lead towards the Inert phase today. |
1203.3631 | Ibragim Alikhanov | I. Alikhanov | Single vector leptoquark production at hadron colliders due to direct
lepton-gluon interaction | 26 pages, 14 figures. A new figure inserted. Text in the conclusions
added. Accepted for publication in Phys. Lett. B | Phys.Lett.B717:425-429,2012 | 10.1016/j.physletb.2012.09.068 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The cross section of single vector leptoquark production in direct
lepton-gluon interaction is calculated. In a model independent analysis an
effective Lagrangian describing the most general $C$ and $P$ conserving
coupling of the leptoquarks to gluons is considered. An analytical expression
is derived for the cross s... | [
{
"created": "Fri, 16 Mar 2012 08:22:12 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Oct 2012 07:55:10 GMT",
"version": "v2"
}
] | 2012-10-17 | [
[
"Alikhanov",
"I.",
""
]
] | The cross section of single vector leptoquark production in direct lepton-gluon interaction is calculated. In a model independent analysis an effective Lagrangian describing the most general $C$ and $P$ conserving coupling of the leptoquarks to gluons is considered. An analytical expression is derived for the cross sec... |
1305.3173 | Fu-Sheng Yu | Fu-Sheng Yu, Emi Kou, Cai-Dian L\"u | Photon Polarization in the b->s gamma processes in the Left-Right
Symmetric Model | 30pages, 5 figures, published version; references added | JHEP12(2013)102 | 10.1007/JHEP12(2013)102 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The circular-polarization of the photon in the radiative B decays is
dominantly left-handed in the Standard Model (SM), but the right-handed
polarization may be enhanced in some new physics models with right-handed
currents, such as the Left-Right Symmetric Model (LRSM). In this article, we
investigate how large this... | [
{
"created": "Tue, 14 May 2013 14:58:36 GMT",
"version": "v1"
},
{
"created": "Fri, 3 Jan 2014 07:45:29 GMT",
"version": "v2"
}
] | 2014-01-06 | [
[
"Yu",
"Fu-Sheng",
""
],
[
"Kou",
"Emi",
""
],
[
"Lü",
"Cai-Dian",
""
]
] | The circular-polarization of the photon in the radiative B decays is dominantly left-handed in the Standard Model (SM), but the right-handed polarization may be enhanced in some new physics models with right-handed currents, such as the Left-Right Symmetric Model (LRSM). In this article, we investigate how large this w... |
hep-ph/9507201 | null | Riotto Antonio | Are oscillons present during a first order electroweak phase transition? | 13 pages, 2 figures available upon request | Phys.Lett.B365:64-71,1996 | 10.1016/0370-2693(95)01239-7 | SISSA-AP/95-79 preprint | hep-ph | null | It has been recently argued that localized, unstable, but extremely
long-lived configurations, called oscillons, could affect the dynamics of a
first order electroweak phase transition in an appreciable way. Treating the
amplitude and the size of subcritical bubbles as statistical degrees of
freedom, we show that the... | [
{
"created": "Mon, 3 Jul 1995 10:08:23 GMT",
"version": "v1"
}
] | 2010-11-19 | [
[
"Antonio",
"Riotto",
""
]
] | It has been recently argued that localized, unstable, but extremely long-lived configurations, called oscillons, could affect the dynamics of a first order electroweak phase transition in an appreciable way. Treating the amplitude and the size of subcritical bubbles as statistical degrees of freedom, we show that therm... |
hep-ph/0112232 | Ernest Ma | Ernest Ma (UC Riverside) | New U(1) Gauge Symmetry of Quarks and Leptons | minor word changes, to appear in MPLA | Mod.Phys.Lett. A17 (2002) 535-541 | 10.1142/S0217732302006679 | UCRHEP-T327 (Dec 2001) | hep-ph | null | Instead of anchoring the seesaw mechanism with the conventional heavy
right-handed neutrino singlet, a small Majorana neutrino mass may be obtained
just as well with the addition of a heavy triplet of leptons per family to the
minimal standard model of particle interactions. The resulting model is shown
to have the r... | [
{
"created": "Mon, 17 Dec 2001 20:21:04 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Apr 2002 16:23:59 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Ma",
"Ernest",
"",
"UC Riverside"
]
] | Instead of anchoring the seesaw mechanism with the conventional heavy right-handed neutrino singlet, a small Majorana neutrino mass may be obtained just as well with the addition of a heavy triplet of leptons per family to the minimal standard model of particle interactions. The resulting model is shown to have the rem... |
0705.2617 | Zhang Xiao-Bing | Xiao-Bing Zhang | Note on color neutral solutions of the $K^0$ condensed color-flavor
locked phase | null | null | null | null | hep-ph | null | In the presence of nonzero strange quark mass $m_s$, we investigate color
neutrality in the $K^0$ condensed phase of color-flavor locked quark matter. By
treating the $m_s$ effects on both kaon condensate and Fermi-surface phenomenon
self-consistently, we develop a new treatment to evaluate color neutral
solutions wi... | [
{
"created": "Fri, 18 May 2007 00:19:41 GMT",
"version": "v1"
}
] | 2017-03-07 | [
[
"Zhang",
"Xiao-Bing",
""
]
] | In the presence of nonzero strange quark mass $m_s$, we investigate color neutrality in the $K^0$ condensed phase of color-flavor locked quark matter. By treating the $m_s$ effects on both kaon condensate and Fermi-surface phenomenon self-consistently, we develop a new treatment to evaluate color neutral solutions with... |
0807.3791 | Mikhail Gorshteyn | M. Gorchtein and A.P. Szczepaniak | Low energy theorem for virtual Compton scattering and generalized sum
rules of the nucleon | 4 pages, 2 figures, revtex4 | Phys.Rev.Lett.101:141601,2008 | 10.1103/PhysRevLett.101.141601 | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We formulate the low energy theorem for virtual Compton scattering off a
nucleon and examine its consequences for generalized nucleon polarizabilites.
As a result of a new, model independent definition of the low energy limit for
VVCS reaction, all generalized sum rules of the nucleon have continuous limit
for real p... | [
{
"created": "Thu, 24 Jul 2008 04:20:45 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Gorchtein",
"M.",
""
],
[
"Szczepaniak",
"A. P.",
""
]
] | We formulate the low energy theorem for virtual Compton scattering off a nucleon and examine its consequences for generalized nucleon polarizabilites. As a result of a new, model independent definition of the low energy limit for VVCS reaction, all generalized sum rules of the nucleon have continuous limit for real pho... |
1001.2553 | Clark Downum | Frank Close, Clark Downum, Christopher E. Thomas | Novel Charmonium and Bottomonium Spectroscopies due to Deeply Bound
Hadronic Molecules from Single Pion Exchange | 14 pages, 5 figures and 5 tables | Phys.Rev.D81:074033,2010 | 10.1103/PhysRevD.81.074033 | OUTP-10-01P, JLAB-THY-10-1119 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Pion exchange in S-wave between hadrons that are themselves in a relative
S-wave is shown to shift energies by hundreds of MeV, leading to deeply bound
quasi-molecular states. In the case of charmed mesons $D^*,D_1$ a spectroscopy
arises consistent with enigmatic charmonium states observed above 4 GeV in
$e^+e^-$ ann... | [
{
"created": "Thu, 14 Jan 2010 20:40:19 GMT",
"version": "v1"
}
] | 2010-05-12 | [
[
"Close",
"Frank",
""
],
[
"Downum",
"Clark",
""
],
[
"Thomas",
"Christopher E.",
""
]
] | Pion exchange in S-wave between hadrons that are themselves in a relative S-wave is shown to shift energies by hundreds of MeV, leading to deeply bound quasi-molecular states. In the case of charmed mesons $D^*,D_1$ a spectroscopy arises consistent with enigmatic charmonium states observed above 4 GeV in $e^+e^-$ annih... |
1001.1938 | Ciaran Williams | Ciaran Williams | Higgs + 2 jets: Compact Analytic Results | Talk given at RADCOR 2009 - 9th International Symposium on Radiative
Corrections (Applications of Quantum Field Theory to Phenomenology) October
25 - 30 2009. 6 pages | PoS RADCOR2009:025,2010 | null | IPPP/09/98 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This report describes the recent efforts to compute analytic formulae for the
Next-to-Leading-Order (NLO) QCD corrections to Higgs plus two jet production at
hadron colliders. In these calculations the Higgs boson couples to gluons via a
top-quark loop which is integrated out to form an effective vertex. The
amplitud... | [
{
"created": "Tue, 12 Jan 2010 19:07:13 GMT",
"version": "v1"
}
] | 2014-11-20 | [
[
"Williams",
"Ciaran",
""
]
] | This report describes the recent efforts to compute analytic formulae for the Next-to-Leading-Order (NLO) QCD corrections to Higgs plus two jet production at hadron colliders. In these calculations the Higgs boson couples to gluons via a top-quark loop which is integrated out to form an effective vertex. The amplitudes... |
1907.12409 | Hyun Min Lee | Hyun Min Lee | Lectures on Physics Beyond the Standard Model | 61 pages, no figures, Lectures at 2019 IBS-CTPU Summer School on
Cosmology and Particle Physics, 22-26 July, 2019, Daejeon, Korea, v2:
references added, v3: typos corrected and improved discussion, v4: expanded
discussion with four-form flux relaxation, Journal version | J. Korean Phys. Soc. 78, 985 (2021) | 10.1007/s40042-021-00188-x | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/4.0/ | We give a brief overview on the successes and theoretical problems of the
Standard Model and discuss the basics of low-scale supersymmetry. We also
address some of recent proposals for physics beyond the Standard Model and the
connection to the production mechanisms for thermal dark matter.
| [
{
"created": "Mon, 29 Jul 2019 13:18:26 GMT",
"version": "v1"
},
{
"created": "Tue, 30 Jul 2019 14:52:47 GMT",
"version": "v2"
},
{
"created": "Tue, 10 Dec 2019 13:17:01 GMT",
"version": "v3"
},
{
"created": "Wed, 7 Apr 2021 07:51:06 GMT",
"version": "v4"
}
] | 2021-06-30 | [
[
"Lee",
"Hyun Min",
""
]
] | We give a brief overview on the successes and theoretical problems of the Standard Model and discuss the basics of low-scale supersymmetry. We also address some of recent proposals for physics beyond the Standard Model and the connection to the production mechanisms for thermal dark matter. |
hep-ph/0208048 | Marco Ciuchini | M. Ciuchini, E. Franco, G. Martinelli, M. Pierini, L. Silvestrini | Charming Penguins Saga | Invited talk at FPCP '02 given by M. Ciuchini, uses econfmacros.tex.
Final version with minor changes to appear in the proceedings | null | null | null | hep-ph | null | We briefly recall the main formulae for computing the B -> K pi branching
ratios within the "charming penguin" approach, present an updated fit to the
data, and explain why we believe that, in general, these fits can hardly be
used to extract gamma.
| [
{
"created": "Tue, 6 Aug 2002 09:44:25 GMT",
"version": "v1"
},
{
"created": "Mon, 9 Sep 2002 10:23:15 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Ciuchini",
"M.",
""
],
[
"Franco",
"E.",
""
],
[
"Martinelli",
"G.",
""
],
[
"Pierini",
"M.",
""
],
[
"Silvestrini",
"L.",
""
]
] | We briefly recall the main formulae for computing the B -> K pi branching ratios within the "charming penguin" approach, present an updated fit to the data, and explain why we believe that, in general, these fits can hardly be used to extract gamma. |
1505.02677 | Harri Niemi | H. Niemi, K. J. Eskola, R. Paatelainen | Event-by-event fluctuations in perturbative QCD + saturation + hydro
model: pinning down QCD matter shear viscosity in ultrarelativistic heavy-ion
collisions | 32 pages, 23 figures | Phys. Rev. C 93, 024907 (2016) | 10.1103/PhysRevC.93.024907 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We introduce an event-by-event perturbative-QCD + saturation + hydro ("EKRT")
framework for ultrarelativistic heavy-ion collisions, where we compute the
produced fluctuating QCD-matter energy densities from next-to-leading order
perturbative QCD using a saturation conjecture to control soft particle
production, and d... | [
{
"created": "Mon, 11 May 2015 15:52:23 GMT",
"version": "v1"
}
] | 2016-02-17 | [
[
"Niemi",
"H.",
""
],
[
"Eskola",
"K. J.",
""
],
[
"Paatelainen",
"R.",
""
]
] | We introduce an event-by-event perturbative-QCD + saturation + hydro ("EKRT") framework for ultrarelativistic heavy-ion collisions, where we compute the produced fluctuating QCD-matter energy densities from next-to-leading order perturbative QCD using a saturation conjecture to control soft particle production, and des... |
1704.01757 | Francesco Hautmann | F. Hautmann, H. Jung, A. Lelek, V. Radescu, R. Zlebcik | Soft-gluon resolution scale in QCD evolution equations | Latex, 8 pages, 4 figures | null | 10.1016/j.physletb.2017.07.005 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | QCD evolution equations can be recast in terms of parton branching processes.
We present a new numerical solution of the equations. We show that this
parton-branching solution can be applied to analyze infrared contributions to
evolution, order-by-order in the strong coupling $\alpha_s$, as a function of
the soft-glu... | [
{
"created": "Thu, 6 Apr 2017 09:32:53 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Hautmann",
"F.",
""
],
[
"Jung",
"H.",
""
],
[
"Lelek",
"A.",
""
],
[
"Radescu",
"V.",
""
],
[
"Zlebcik",
"R.",
""
]
] | QCD evolution equations can be recast in terms of parton branching processes. We present a new numerical solution of the equations. We show that this parton-branching solution can be applied to analyze infrared contributions to evolution, order-by-order in the strong coupling $\alpha_s$, as a function of the soft-gluon... |
1909.07429 | T\'essio B. de Melo | Tessio B. de Melo, Farinaldo S. Queiroz, Yoxara Villamizar | Doubly Charged Scalar at the High-Luminosity and High-Energy LHC | 7 pages, 7 figures, 1 table | null | 10.1142/S0217751X19501574 | IIPDM-2019 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Doubly charged scalars are common figures in several beyond the Standard
Model studies, especially those related to neutrino masses. In this work, we
estimate the High-Luminosity (HL-LHC) and High-Energy LHC (HE-LHC) sensitivity
to doubly charged scalars assuming they decay promptly and exclusively into
charged lepto... | [
{
"created": "Mon, 16 Sep 2019 18:25:36 GMT",
"version": "v1"
}
] | 2019-10-23 | [
[
"de Melo",
"Tessio B.",
""
],
[
"Queiroz",
"Farinaldo S.",
""
],
[
"Villamizar",
"Yoxara",
""
]
] | Doubly charged scalars are common figures in several beyond the Standard Model studies, especially those related to neutrino masses. In this work, we estimate the High-Luminosity (HL-LHC) and High-Energy LHC (HE-LHC) sensitivity to doubly charged scalars assuming they decay promptly and exclusively into charged leptons... |
0801.2374 | Laura Reina | Fernando Febres Cordero, Laura Reina, Doreen Wackeroth | NLO QCD corrections to W-b-bbar and Z-b-bbar production | 6 pages, 6 eps figures, LaTeX, to appear in the proceedings of the
"8th International Symposium on Radiative Corrections (RADCOR 2007)",
Florence, Italy, October 1-5 | PoS RADCOR2007:012,2007 | null | null | hep-ph | null | We present NLO QCD results for W/Z gauge boson production with bottom quark
pairs at the Tevatron including full bottom-quark mass effects. We study the
impact of QCD corrections on both total cross-section and invariant mass
distribution of the bottom-quark pair. Including NLO QCD corrections greatly
reduces the dep... | [
{
"created": "Tue, 15 Jan 2008 20:45:26 GMT",
"version": "v1"
}
] | 2010-12-28 | [
[
"Cordero",
"Fernando Febres",
""
],
[
"Reina",
"Laura",
""
],
[
"Wackeroth",
"Doreen",
""
]
] | We present NLO QCD results for W/Z gauge boson production with bottom quark pairs at the Tevatron including full bottom-quark mass effects. We study the impact of QCD corrections on both total cross-section and invariant mass distribution of the bottom-quark pair. Including NLO QCD corrections greatly reduces the depen... |
1909.08443 | Johannes Erdmann | Maura Barros, Nuno Filipe Castro, Johannes Erdmann, Gregor Ge{\ss}ner,
Kevin Kr\"oninger, Salvatore La Cagnina, Ana Peixoto | Study of interference effects in the search for flavour-changing neutral
current interactions involving the top quark and a photon or a $Z$ boson at
the LHC | 8 pages, 3 figures, 2 tables | Eur. Phys. J. Plus 135 (2020) 339 | 10.1140/epjp/s13360-020-00346-3 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Flavour-changing neutral-current interactions of the top quark can be
searched for in top-quark pair production with one top quark decaying to an
up-type quark and a neutral boson, and they can be searched for in the single
production of a top quark in association with such a boson. Both processes
interfere if an add... | [
{
"created": "Wed, 18 Sep 2019 13:37:30 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Mar 2020 09:49:13 GMT",
"version": "v2"
}
] | 2020-04-01 | [
[
"Barros",
"Maura",
""
],
[
"Castro",
"Nuno Filipe",
""
],
[
"Erdmann",
"Johannes",
""
],
[
"Geßner",
"Gregor",
""
],
[
"Kröninger",
"Kevin",
""
],
[
"La Cagnina",
"Salvatore",
""
],
[
"Peixoto",
"Ana",
""
... | Flavour-changing neutral-current interactions of the top quark can be searched for in top-quark pair production with one top quark decaying to an up-type quark and a neutral boson, and they can be searched for in the single production of a top quark in association with such a boson. Both processes interfere if an addit... |
2112.11993 | Krzysztof Jod{\l}owski | Krzysztof Jod{\l}owski, Leszek Roszkowski, Sebastian Trojanowski | Indirect detection of long-lived particles in a rich dark sector with a
dark vector portal | 19 pages, 11 figures, overview paragraph added in the introduction,
accepted by PRD | null | null | CTPU-PTC-23-51 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Simplified models of light new physics provide a convenient benchmark for
experimental searches for new physics signatures, including dark matter (DM).
However, additional detection modes can arise in less simplified and more
realistic scenarios where new degrees of freedom are invoked. In this study, we
introduce a ... | [
{
"created": "Wed, 22 Dec 2021 16:14:56 GMT",
"version": "v1"
},
{
"created": "Thu, 26 Oct 2023 05:21:20 GMT",
"version": "v2"
},
{
"created": "Tue, 5 Dec 2023 01:55:25 GMT",
"version": "v3"
}
] | 2023-12-06 | [
[
"Jodłowski",
"Krzysztof",
""
],
[
"Roszkowski",
"Leszek",
""
],
[
"Trojanowski",
"Sebastian",
""
]
] | Simplified models of light new physics provide a convenient benchmark for experimental searches for new physics signatures, including dark matter (DM). However, additional detection modes can arise in less simplified and more realistic scenarios where new degrees of freedom are invoked. In this study, we introduce a no... |
hep-ph/0412233 | Koske Nishihara | Koske Nishihara | K{\" a}hler Anomaly Effect in Anomaly Mediation Framework | 26 pages, 27 figures | null | null | OU-HET 508 | hep-ph | null | We extend the anomaly mediation mechanism by including the effect due to K{\"
a}hler anomaly. We give a general method analyzing the soft breaking terms in
MSSM by introducing a set of parameters. One of the parameters describes the
magnitude of the K{\" a}hler contribution as opposed to the ordinary super-Weyl
contr... | [
{
"created": "Thu, 16 Dec 2004 13:44:49 GMT",
"version": "v1"
},
{
"created": "Fri, 25 Mar 2005 08:20:19 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Nishihara",
"Koske",
""
]
] | We extend the anomaly mediation mechanism by including the effect due to K{\" a}hler anomaly. We give a general method analyzing the soft breaking terms in MSSM by introducing a set of parameters. One of the parameters describes the magnitude of the K{\" a}hler contribution as opposed to the ordinary super-Weyl contrib... |
hep-ph/0311295 | Jeonghyeon Song | Kingman Cheung (NCTS), C.S. Kim (Yonsei Univ.), and Jeonghyeon Song
(Konkuk Univ.) | Probing the Radion-Higgs mixing at hadronic colliders | RevTeX style, 21 pages with 10 eps files | Phys.Rev. D69 (2004) 075011 | 10.1103/PhysRevD.69.075011 | NSC-NCTS-031101, KIAS-P02085 | hep-ph | null | In the Randall-Sundrum model, the radion-Higgs mixing is weakly suppressed by
the effective electroweak scale. One of its novel features would be a sizable
three-point vertex of KK graviton-Higgs-radion. We explored the potential of
the Fermilab Tevatron and the CERN LHC in probing the radion-Higgs mixing via
the ass... | [
{
"created": "Mon, 24 Nov 2003 07:13:32 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Cheung",
"Kingman",
"",
"NCTS"
],
[
"Kim",
"C. S.",
"",
"Yonsei Univ."
],
[
"Song",
"Jeonghyeon",
"",
"Konkuk Univ."
]
] | In the Randall-Sundrum model, the radion-Higgs mixing is weakly suppressed by the effective electroweak scale. One of its novel features would be a sizable three-point vertex of KK graviton-Higgs-radion. We explored the potential of the Fermilab Tevatron and the CERN LHC in probing the radion-Higgs mixing via the assoc... |
0905.0168 | Christopher Lee | Christopher Lee, Andrew Hornig, and Grigory Ovanesyan | Probing the Structure of Jets: Factorized and Resummed Angularity
Distributions in SCET | 8 pages, 2 figures. Contribution to the proceedings of EFT'09,
International Workshop on Effective Field Theories: from the Pion to the
Upsilon, 2-6 February 2009, Valencia (Spain) | null | null | UCB-PTH-09/13 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using the framework of soft-collinear effective theory (SCET), we factorize
and calculate $e^+e^-$ angularity distributions, including perturbative
resummation and the incorporation of a universal model for the nonperturbative
soft function. Angularities $\tau_a$ are a class of event shapes varying in
their sensitivi... | [
{
"created": "Mon, 4 May 2009 17:59:42 GMT",
"version": "v1"
}
] | 2009-05-05 | [
[
"Lee",
"Christopher",
""
],
[
"Hornig",
"Andrew",
""
],
[
"Ovanesyan",
"Grigory",
""
]
] | Using the framework of soft-collinear effective theory (SCET), we factorize and calculate $e^+e^-$ angularity distributions, including perturbative resummation and the incorporation of a universal model for the nonperturbative soft function. Angularities $\tau_a$ are a class of event shapes varying in their sensitivity... |
hep-ph/9807202 | Tom Sizer | Andreas W. Schreiber, Tom Sizer and Anthony G. Williams | Dimensionally Regularized Study of Nonperturbative Quenched QED | 9 pages including 4 .eps files comprising 2 figures; uses sprocl.sty.
To appear in the proceedings of the Workshop on Methods in Nonperturbative
Field Theory, Adelaide, Australia, February 1998 | null | null | ADP-98-033/T306 | hep-ph hep-th | null | We study the dimensionally regularized fermion propagator Dyson-Schwinger
equation in quenched nonperturbative QED in an arbitrary covariant gauge using
the Curtis-Pennington vertex and perform nonperturbative renormalization
numerically. The nonperturbative fermion propagator is solved in D=4-2*epsilon
< 4 dimension... | [
{
"created": "Wed, 1 Jul 1998 06:00:09 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Jul 1998 01:23:01 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Schreiber",
"Andreas W.",
""
],
[
"Sizer",
"Tom",
""
],
[
"Williams",
"Anthony G.",
""
]
] | We study the dimensionally regularized fermion propagator Dyson-Schwinger equation in quenched nonperturbative QED in an arbitrary covariant gauge using the Curtis-Pennington vertex and perform nonperturbative renormalization numerically. The nonperturbative fermion propagator is solved in D=4-2*epsilon < 4 dimensional... |
hep-ph/9211252 | null | S. Jadach, B.F.L. Ward and S.A. Yost | Exact Results on e+ e- --> e+ e- + 2 Photons at SLC/LEP Energies | 16 pages(LaTeX), UTHEP-92-0601 (contains corrected figures) | Phys.Rev. D47 (1993) 2682-2689 | 10.1103/PhysRevD.47.2682 | null | hep-ph | null | We use the spinor methods of the CALKUL collaboration, as realized by Xu,
Zhang and Chang, to calculate the differential cross section for e+ e- --> e+
e- + 2 photons for c.m.s. energies in the SLC/LEP regime. An explicit complete
formula for the respective cross section is obtained. The leading log
approximation is ... | [
{
"created": "Mon, 16 Nov 1992 16:20:38 GMT",
"version": "v1"
},
{
"created": "Wed, 30 Mar 1994 21:30:09 GMT",
"version": "v2"
}
] | 2009-10-22 | [
[
"Jadach",
"S.",
""
],
[
"Ward",
"B. F. L.",
""
],
[
"Yost",
"S. A.",
""
]
] | We use the spinor methods of the CALKUL collaboration, as realized by Xu, Zhang and Chang, to calculate the differential cross section for e+ e- --> e+ e- + 2 photons for c.m.s. energies in the SLC/LEP regime. An explicit complete formula for the respective cross section is obtained. The leading log approximation is us... |
2209.07391 | Manuel Toharia | Mariana Frank, Nima Pourtolami and Manuel Toharia | Additional Higgs bosons: Supersymmetry or warped extra dimensions? | 7 pages, 2 figures, 3 tables | null | 10.1016/j.physletb.2022.137547 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate and compare additional CP-even, CP-odd and charged scalar
states appearing in two popular Beyond the Standard Model scenarios. We focus
on the simplest possible Higgs sector within warped extra-dimensions and
supersymmetry, with the aim to differentiate between them. In each case, we
analyze the coupli... | [
{
"created": "Thu, 15 Sep 2022 15:53:21 GMT",
"version": "v1"
}
] | 2022-11-09 | [
[
"Frank",
"Mariana",
""
],
[
"Pourtolami",
"Nima",
""
],
[
"Toharia",
"Manuel",
""
]
] | We investigate and compare additional CP-even, CP-odd and charged scalar states appearing in two popular Beyond the Standard Model scenarios. We focus on the simplest possible Higgs sector within warped extra-dimensions and supersymmetry, with the aim to differentiate between them. In each case, we analyze the coupling... |
hep-ph/9611405 | Bhaskar Dutta | B. Dutta and S. Nandi | Texture of fermion mass matrices in partially unified theories | 10 pages(Latex) | Phys.Rev. D59 (1999) 013013 | 10.1103/PhysRevD.59.013013 | OITS-617, OSURN-318, UTEXAS-HEP-96-18, DOE-ER 40757-087 | hep-ph | null | We investigate the texture of fermion mass matrices in theories with partial
unification (for example $ SU(2)_L\times SU(2)_R\times SU(4)_c$) at a scale
$\sim 10^{12}$ GeV. Starting with the low energy values of the masses and the
mixing angles, we find only two viable textures with atmost four texture zeros.
One of ... | [
{
"created": "Sun, 24 Nov 1996 19:34:11 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Dutta",
"B.",
""
],
[
"Nandi",
"S.",
""
]
] | We investigate the texture of fermion mass matrices in theories with partial unification (for example $ SU(2)_L\times SU(2)_R\times SU(4)_c$) at a scale $\sim 10^{12}$ GeV. Starting with the low energy values of the masses and the mixing angles, we find only two viable textures with atmost four texture zeros. One of th... |
hep-ph/0509019 | Axel Weber | A. Weber | Fine and hyperfine structure in different bound systems | 36 pages, 2 figures | null | null | null | hep-ph hep-th nucl-th | null | We demonstrate that the generalized Gell-Mann-Low theorem permits for a
systematic expansion around the nonrelativistic limit when applied to bound
states in the Wick-Cutkosky model, Yukawa theory, and QED (in Coulomb gauge).
We apply this expansion to obtain new results for the fine and hyperfine
structure of bound ... | [
{
"created": "Fri, 2 Sep 2005 17:49:25 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Weber",
"A.",
""
]
] | We demonstrate that the generalized Gell-Mann-Low theorem permits for a systematic expansion around the nonrelativistic limit when applied to bound states in the Wick-Cutkosky model, Yukawa theory, and QED (in Coulomb gauge). We apply this expansion to obtain new results for the fine and hyperfine structure of bound st... |
1612.07725 | Alexandre Alves | Alexandre Alves | Stacking machine learning classifiers to identify Higgs bosons at the
LHC | 20 pages, 4 figures, 3 tables. Version published in the Journal of
Instrumentation | null | 10.1088/1748-0221/12/05/T05005 | null | hep-ph cs.LG physics.data-an | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Machine learning (ML) algorithms have been employed in the problem of
classifying signal and background events with high accuracy in particle
physics. In this paper, we compare the performance of a widespread ML
technique, namely, \emph{stacked generalization}, against the results of two
state-of-art algorithms: (1) ... | [
{
"created": "Wed, 21 Dec 2016 20:01:37 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Feb 2017 01:07:42 GMT",
"version": "v2"
},
{
"created": "Tue, 30 May 2017 19:03:03 GMT",
"version": "v3"
}
] | 2017-06-01 | [
[
"Alves",
"Alexandre",
""
]
] | Machine learning (ML) algorithms have been employed in the problem of classifying signal and background events with high accuracy in particle physics. In this paper, we compare the performance of a widespread ML technique, namely, \emph{stacked generalization}, against the results of two state-of-art algorithms: (1) a ... |
0812.2564 | Christoph Englert | C. Englert, B. Jager, D. Zeppenfeld | QCD Corrections to Vector-Boson Fusion Processes in Warped Higgsless
Models | 22 pages, 20 figures | JHEP 0903:060,2009 | 10.1088/1126-6708/2009/03/060 | KA-TP-32-2008, SFB/CPP-08-103 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the signatures of a representative Higgsless model with ideal
fermion delocalization in vector-boson fusion processes, focusing on the gold-
and silver-plated decay modes of the gauge bosons at the CERN-Large Hadron
Collider. For this purpose, we have developed a fully-flexible parton-level
Monte-Carlo pro... | [
{
"created": "Sat, 13 Dec 2008 17:10:53 GMT",
"version": "v1"
}
] | 2009-03-27 | [
[
"Englert",
"C.",
""
],
[
"Jager",
"B.",
""
],
[
"Zeppenfeld",
"D.",
""
]
] | We discuss the signatures of a representative Higgsless model with ideal fermion delocalization in vector-boson fusion processes, focusing on the gold- and silver-plated decay modes of the gauge bosons at the CERN-Large Hadron Collider. For this purpose, we have developed a fully-flexible parton-level Monte-Carlo progr... |
hep-ph/0002002 | Raymond R. Volkas | Raymond R Volkas | Mirror Neutrinos and the Early Universe | 7 pages, 2 embedded figures, Latex, uses ws-p8-50x6-00. Invited talk
at COSMO99, to appear in the proceedings | null | 10.1142/9789812792129_0054 | null | hep-ph | null | I review the construction of the Exact Parity or Mirror Matter Model and
explain how it solves the solar and atmospheric neutrino problems. The
oscillation driven relic neutrino asymmetry amplification phenomenon is then
used to demonstrate the consistency of the model with Big Bang Nucleosynthesis.
| [
{
"created": "Tue, 1 Feb 2000 05:18:48 GMT",
"version": "v1"
}
] | 2016-11-03 | [
[
"Volkas",
"Raymond R",
""
]
] | I review the construction of the Exact Parity or Mirror Matter Model and explain how it solves the solar and atmospheric neutrino problems. The oscillation driven relic neutrino asymmetry amplification phenomenon is then used to demonstrate the consistency of the model with Big Bang Nucleosynthesis. |
1612.00032 | Srimoyee Sen | David B. Kaplan, Sanjay Reddy and Srimoyee Sen | Energy Conservation and the Chiral Magnetic Effect | We have corrected a sign error. But the main conclusions of the paper
remain unchanged | Phys. Rev. D 96, 016008 (2017) | 10.1103/PhysRevD.96.016008 | null | hep-ph astro-ph.HE nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the chiral magnetic effect in a homogeneous neutral plasma from
the point of view of energy conservation, and construct an effective potential
for the growth of maximally helical perturbations of the electromagnetic field.
We show that a negative curvature at the origin of the potential, indicating
instabi... | [
{
"created": "Wed, 30 Nov 2016 21:11:34 GMT",
"version": "v1"
},
{
"created": "Mon, 29 May 2017 16:11:38 GMT",
"version": "v2"
}
] | 2017-07-19 | [
[
"Kaplan",
"David B.",
""
],
[
"Reddy",
"Sanjay",
""
],
[
"Sen",
"Srimoyee",
""
]
] | We analyze the chiral magnetic effect in a homogeneous neutral plasma from the point of view of energy conservation, and construct an effective potential for the growth of maximally helical perturbations of the electromagnetic field. We show that a negative curvature at the origin of the potential, indicating instabili... |
hep-ph/9710490 | Lyndon Alvero | L. Alvero, J. C. Collins, M. Strikman and J. J. Whitmore (Penn. State
University, U.S.A.) | Probing small-x parton densities in proton- proton (-nucleus) collisions
in the very forward direction | 14 pages, LaTeX, 12 figures, uses revtex.sty | Phys. Rev. D 57, 4063 (1998) | 10.1103/PhysRevD.57.4063 | PSU/TH/190 | hep-ph | null | We present calculations of several pp scattering cross sections with
potential applications at the LHC. Significantly large rates for momentum
fraction, x, as low as 10^-7 are obtained, allowing for possible extraction of
quark and gluon densities in the proton and nuclei down to these small x values
provided a detec... | [
{
"created": "Mon, 27 Oct 1997 22:19:47 GMT",
"version": "v1"
}
] | 2016-08-25 | [
[
"Alvero",
"L.",
"",
"Penn. State\n University, U.S.A."
],
[
"Collins",
"J. C.",
"",
"Penn. State\n University, U.S.A."
],
[
"Strikman",
"M.",
"",
"Penn. State\n University, U.S.A."
],
[
"Whitmore",
"J. J.",
"",
"Penn. State\n Universi... | We present calculations of several pp scattering cross sections with potential applications at the LHC. Significantly large rates for momentum fraction, x, as low as 10^-7 are obtained, allowing for possible extraction of quark and gluon densities in the proton and nuclei down to these small x values provided a detecto... |
1006.2271 | Kazuya Yonekura | Tsutomu T. Yanagida, Kazuya Yonekura | A Conformal Gauge Mediation and Dark Matter with Only One Parameter | 17 pages | Phys.Lett.B693:281-286,2010 | 10.1016/j.physletb.2010.08.040 | UT-10-10, IPMU-10-0099 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | If the supersymmetry (SUSY) is a solution to the hierarchy problem, it is
puzzling that any SUSY particle has not been discovered yet. We show that there
is a low-scale conformal gauge mediation model which contains all necessary
ingredients, i.e. not only a SUSY-breaking dynamics and a gauge mediation
mechanism, but... | [
{
"created": "Fri, 11 Jun 2010 11:47:25 GMT",
"version": "v1"
}
] | 2014-11-21 | [
[
"Yanagida",
"Tsutomu T.",
""
],
[
"Yonekura",
"Kazuya",
""
]
] | If the supersymmetry (SUSY) is a solution to the hierarchy problem, it is puzzling that any SUSY particle has not been discovered yet. We show that there is a low-scale conformal gauge mediation model which contains all necessary ingredients, i.e. not only a SUSY-breaking dynamics and a gauge mediation mechanism, but a... |
hep-ph/9503395 | Tetsuo Hatsuda | Tetsuo Hatsuda and Hiroyuki Shiomi | Vector Mesons in Nuclear Medium | 4 pages, Latex, talk at Quark Matter '95 | Nucl.Phys. A590 (1995) 545c-548c | 10.1016/0375-9474(95)00274-5 | null | hep-ph nucl-th | null | We summarize the current theoretical and experimental status of the spectral
change of the vector mesons in dense matter.
| [
{
"created": "Tue, 21 Mar 1995 06:58:59 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Hatsuda",
"Tetsuo",
""
],
[
"Shiomi",
"Hiroyuki",
""
]
] | We summarize the current theoretical and experimental status of the spectral change of the vector mesons in dense matter. |
2111.01820 | Alexander Penin A. | Tao Liu, Sneh Modi, Alexander A. Penin | Higgs Boson Production and Quark Scattering Amplitudes at High Energy
through the Next-to-Next-to-Leading Power in Quark Mass | 20 pages, 4 figures | null | 10.1007/JHEP02(2022)170 | ALBERTA-THY-32-21 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the amplitudes of the quark scattering by an external
electromagnetic field and of the light quark mediated Higgs boson production
via gluon fusion in the high-energy limit. The asymptotic behavior of the quark
form factors is obtained in the double-logarithmic approximation to all orders
in strong coupling ... | [
{
"created": "Tue, 2 Nov 2021 18:04:43 GMT",
"version": "v1"
}
] | 2022-03-09 | [
[
"Liu",
"Tao",
""
],
[
"Modi",
"Sneh",
""
],
[
"Penin",
"Alexander A.",
""
]
] | We study the amplitudes of the quark scattering by an external electromagnetic field and of the light quark mediated Higgs boson production via gluon fusion in the high-energy limit. The asymptotic behavior of the quark form factors is obtained in the double-logarithmic approximation to all orders in strong coupling co... |
1304.0711 | Rouzbeh Allahverdi | Rouzbeh Allahverdi and Bhaskar Dutta | Natural GeV Dark Matter and the Baryon-Dark Matter Coincidence Puzzle | 6 pages | null | 10.1103/PhysRevD.88.023525 | MIFPA-13-12 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a simple extension of the standard model that gives rise to
baryogenesis a has a dark matter candidate of O(GeV) mass. A minimal set of new
fields required for baryogenesis includes two O(TeV) colored scalars and a
singlet fermion. The fermion also becomes a viable dark matter candidate when
its is nearly ... | [
{
"created": "Tue, 2 Apr 2013 17:49:21 GMT",
"version": "v1"
}
] | 2013-08-09 | [
[
"Allahverdi",
"Rouzbeh",
""
],
[
"Dutta",
"Bhaskar",
""
]
] | We present a simple extension of the standard model that gives rise to baryogenesis a has a dark matter candidate of O(GeV) mass. A minimal set of new fields required for baryogenesis includes two O(TeV) colored scalars and a singlet fermion. The fermion also becomes a viable dark matter candidate when its is nearly de... |
2101.07421 | Alexander Ritter | Alexander C. Ritter and Raymond R. Volkas | Implementing Asymmetric Dark Matter and Dark Electroweak Baryogenesis in
a Mirror Two-Higgs-Doublet Model | 58 pages, 6 figures. Matches published version. New content added,
primarily in Sec.IV.A | Phys. Rev. D 104, 035032 (2021) | 10.1103/PhysRevD.104.035032 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Models of asymmetric dark matter (ADM) seek to explain the apparent
coincidence between the present-day mass densities of visible and dark matter,
$\Omega_{\mathrm{DM}} \simeq 5\Omega_{\mathrm{VM}}$. However, most ADM models
only relate the number densities of visible and dark matter without motivating
the similar pa... | [
{
"created": "Tue, 19 Jan 2021 02:31:37 GMT",
"version": "v1"
},
{
"created": "Wed, 1 Sep 2021 03:33:35 GMT",
"version": "v2"
}
] | 2021-09-02 | [
[
"Ritter",
"Alexander C.",
""
],
[
"Volkas",
"Raymond R.",
""
]
] | Models of asymmetric dark matter (ADM) seek to explain the apparent coincidence between the present-day mass densities of visible and dark matter, $\Omega_{\mathrm{DM}} \simeq 5\Omega_{\mathrm{VM}}$. However, most ADM models only relate the number densities of visible and dark matter without motivating the similar part... |
hep-ph/0311113 | Abbas Nehme | A. Nehme | Isospin Breaking in $K_{\ell 4}$ Decays of the Neutral Kaon | 62 pages, LaTeX, 5 postscript figures, 1 table | Nucl.Phys. B682 (2004) 289-346 | 10.1016/j.nuclphysb.2004.01.017 | CPT-2003/P.4509 | hep-ph | null | In the presence of photons, the neutral $K_{\ell 4}$ decay,
$K^0\to\pi^0\pi^-\ell^+\nu_\ell$, can be parameterized in terms of three
vectorial, one anomalous, and one tensorial form factors. We present here
analytic expressions of two vectorial form factors, $f$ and $g$, calculated at
one-loop level in the framework ... | [
{
"created": "Mon, 10 Nov 2003 13:55:10 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Nehme",
"A.",
""
]
] | In the presence of photons, the neutral $K_{\ell 4}$ decay, $K^0\to\pi^0\pi^-\ell^+\nu_\ell$, can be parameterized in terms of three vectorial, one anomalous, and one tensorial form factors. We present here analytic expressions of two vectorial form factors, $f$ and $g$, calculated at one-loop level in the framework of... |
hep-ph/0501090 | Thomas D. Cohen | Thomas D. COhen | Excited Baryons in Large $N_c$ QCD | Talk at "Baryons 04", Palaiseau, October 2004 | Nucl.Phys. A755 (2005) 40-48 | 10.1016/j.nuclphysa.2005.03.022 | null | hep-ph | null | This talk reviews recent developments in the use of large $N_c$ QCD in the
description of baryonic resonances. The emphasis is on the model-independent
nature of the approach. Key issues discussed include the spin-flavor symmetry
which emerges at large $N_c$ and the direct use of scattering observables. The
connectio... | [
{
"created": "Tue, 11 Jan 2005 19:17:05 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"COhen",
"Thomas D.",
""
]
] | This talk reviews recent developments in the use of large $N_c$ QCD in the description of baryonic resonances. The emphasis is on the model-independent nature of the approach. Key issues discussed include the spin-flavor symmetry which emerges at large $N_c$ and the direct use of scattering observables. The connection ... |
hep-ph/9710249 | Chris Michael | Chris Michael | Hadronic Physics from the Lattice | to appear in Proceedings of the NATO Advanced Study Institute on
Confinement, Duality and Non-Perturbative Aspects of QCD. June 23 - July 4,
1997; 19 pages, Latex, 6 postscript figures | null | null | LTH 411 | hep-ph hep-lat | null | Topics covered in this review are the lattice gauge theory approach to the
evaluation of non-perturbative hadronic interactions from first principles,
particularly applications to glueballs, inter-quark potentials, the running
coupling constant and hybrid mesons. Also discussed are the limitations of the
quenched app... | [
{
"created": "Mon, 6 Oct 1997 11:39:44 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Michael",
"Chris",
""
]
] | Topics covered in this review are the lattice gauge theory approach to the evaluation of non-perturbative hadronic interactions from first principles, particularly applications to glueballs, inter-quark potentials, the running coupling constant and hybrid mesons. Also discussed are the limitations of the quenched appro... |
2105.04050 | Timofey Uglov | P. Pakhlov and T. Uglov | On measurement of photon polarization in radiative penguin $B$ decays to
baryons | 4 pages, 2 figures | European Physical Journal C 81 (2021) 759 | 10.1140/epjc/s10052-021-09528-4 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | A measurement of the photon polarization in radiative penguin $B$ decays
provides a test of the Standard Model and a probe for New Physics, that can
lead to a deviation from the Standard Model prediction of left-handed photons
in $b\to s \gamma$. We propose a new method to measure the photon polarization
using the ba... | [
{
"created": "Sun, 9 May 2021 23:20:50 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Sep 2021 16:55:12 GMT",
"version": "v2"
}
] | 2021-09-09 | [
[
"Pakhlov",
"P.",
""
],
[
"Uglov",
"T.",
""
]
] | A measurement of the photon polarization in radiative penguin $B$ decays provides a test of the Standard Model and a probe for New Physics, that can lead to a deviation from the Standard Model prediction of left-handed photons in $b\to s \gamma$. We propose a new method to measure the photon polarization using the bary... |
0905.0419 | Lisheng Geng | L. S. Geng, E. Oset, R. Molina, and D. Nicmorus | Dynamically generated resonances from vector meson-vector meson
interaction based on a hidden-gauge unitary approach | 7 pages, 1 figure, 4 tables; presented at the International Workshop
on Effective Field Theories: from the Pion to the Upsilon, 2-6 February 2009,
Valencia, Spain | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a recent study of vector meson-vector meson interaction using a
unitary approach based on the hidden-gauge Lagrangians. We find that 11 states
get dynamically generated, corresponding to poles of the scattering matrices on
the second Riemann sheet. Five of them are associated to the $f_0(1370)$,
$f_0(1710)... | [
{
"created": "Mon, 4 May 2009 16:41:34 GMT",
"version": "v1"
}
] | 2009-05-05 | [
[
"Geng",
"L. S.",
""
],
[
"Oset",
"E.",
""
],
[
"Molina",
"R.",
""
],
[
"Nicmorus",
"D.",
""
]
] | We present a recent study of vector meson-vector meson interaction using a unitary approach based on the hidden-gauge Lagrangians. We find that 11 states get dynamically generated, corresponding to poles of the scattering matrices on the second Riemann sheet. Five of them are associated to the $f_0(1370)$, $f_0(1710)$,... |
1508.00308 | Harleen Dahiya Dr. | Aarti Girdhar, Harleen Dahiya and Monika Randhawa | Magnetic moments of $J^P=\frac{3}{2}^+$ decuplet baryons using effective
quark masses in chiral constituent quark model | 21 pages. To appear in Phys. Rev. D. arXiv admin note: text overlap
with arXiv:1505.03304 | Phys.Rev. D92 (2015) 3, 033012 | 10.1103/PhysRevD.92.033012 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The magnetic moments of $J^P=\frac{3}{2}^+$ decuplet baryons have been
calculated in the chiral constituent quark model ($\chi$CQM) with explicit
results for the contribution coming from the valence quark polarizations, sea
quark polarizations, and their orbital angular momentum. Since the
$J^P=\frac{3}{2}^+$ decuple... | [
{
"created": "Mon, 3 Aug 2015 03:34:35 GMT",
"version": "v1"
}
] | 2015-09-30 | [
[
"Girdhar",
"Aarti",
""
],
[
"Dahiya",
"Harleen",
""
],
[
"Randhawa",
"Monika",
""
]
] | The magnetic moments of $J^P=\frac{3}{2}^+$ decuplet baryons have been calculated in the chiral constituent quark model ($\chi$CQM) with explicit results for the contribution coming from the valence quark polarizations, sea quark polarizations, and their orbital angular momentum. Since the $J^P=\frac{3}{2}^+$ decuplet ... |
hep-ph/0305029 | Cosmin Macesanu | C. Macesanu, A. Mitov and S. Nandi | Gravity and Matter in Extra Dimensions | 21 pages, 6 figures, Latex | Phys.Rev. D68 (2003) 084008 | 10.1103/PhysRevD.68.084008 | null | hep-ph | null | In this paper, we derive from the viewpoint of the effective 4D theory the
interaction terms between linearized gravity propagating in N>= 2 large extra
dimensions and matter propagating into one extra dimension. This generalizes
known results for the interactions between gravity and 4D matter in ADD-type
models. Alt... | [
{
"created": "Fri, 2 May 2003 22:53:39 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Macesanu",
"C.",
""
],
[
"Mitov",
"A.",
""
],
[
"Nandi",
"S.",
""
]
] | In this paper, we derive from the viewpoint of the effective 4D theory the interaction terms between linearized gravity propagating in N>= 2 large extra dimensions and matter propagating into one extra dimension. This generalizes known results for the interactions between gravity and 4D matter in ADD-type models. Altho... |
0811.3537 | John F. Gunion | Radovan Dermisek and John F. Gunion | Many Light Higgs Bosons in the NMSSM | 15 pages, 47 figures | Phys.Rev.D79:055014,2009 | 10.1103/PhysRevD.79.055014 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The next-to-minimal supersymmetric model with a light doublet-like
CP-odd Higgs boson and small $\tan \beta$ can satisfy all experimental limits
on Higgs bosons even with light superpartners. In these scenarios, the two
lightest CP-even Higgs bosons, $\hi$ and $\hii$, and the charged Higgs boson,
$\hp$, can all be ... | [
{
"created": "Fri, 21 Nov 2008 09:29:54 GMT",
"version": "v1"
}
] | 2009-03-24 | [
[
"Dermisek",
"Radovan",
""
],
[
"Gunion",
"John F.",
""
]
] | The next-to-minimal supersymmetric model with a light doublet-like CP-odd Higgs boson and small $\tan \beta$ can satisfy all experimental limits on Higgs bosons even with light superpartners. In these scenarios, the two lightest CP-even Higgs bosons, $\hi$ and $\hii$, and the charged Higgs boson, $\hp$, can all be ligh... |
hep-ph/9207216 | null | Mirjam Cveti\v{c} and Paul Langacker | $V'Z$ and $V'W$ Production as Tests of Heavy Gauge Boson Couplings at
Future Hadron Colliders | 27 pages, 14 figures (not included), PHYZZX and TABLES, UPR-0514T | Phys.Rev.D46:4943,1992; Erratum-ibid.D48:4484,1993;
Phys.Rev.D48:4484,1993 | 10.1103/PhysRevD.46.4943 10.1103/PhysRevD.48.4484 | null | hep-ph | null | We point out that the production cross section of $pp\to V'V$, with
$V'=W',Z'$ and $V=W,Z$ is a useful diagnostic of $V'$ gauge couplings at future
hadron colliders. For $M_{Z'}\simeq1$ TeV it would allow determination of
combinations of $Z'$ gauge couplings to the quarks to around 10 percent. An
analysis of the extr... | [
{
"created": "Sun, 5 Jul 1992 20:11:03 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Cvetič",
"Mirjam",
""
],
[
"Langacker",
"Paul",
""
]
] | We point out that the production cross section of $pp\to V'V$, with $V'=W',Z'$ and $V=W,Z$ is a useful diagnostic of $V'$ gauge couplings at future hadron colliders. For $M_{Z'}\simeq1$ TeV it would allow determination of combinations of $Z'$ gauge couplings to the quarks to around 10 percent. An analysis of the extrac... |
1111.6330 | Xiao-Gang He | Gang Guo, Xiao-Gang He | Dispersion Relations Explaining OPERA Data From Deformed Lorentz
Transformation | 8 pages, 2 figures. Several typos corrected and some references added | null | 10.1142/S2010194512005909 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | OPERA collaboration has reported evidence of superluminal phenomenon for
neutrinos. One of the possible ways to explain the superluminality is to have
Lorentz symmetry violated. It has been shown that dispersion relations put
forwards has the problem of physics laws vary in different inertial frames
leading to confli... | [
{
"created": "Mon, 28 Nov 2011 02:25:03 GMT",
"version": "v1"
},
{
"created": "Fri, 2 Dec 2011 01:17:50 GMT",
"version": "v2"
}
] | 2015-06-03 | [
[
"Guo",
"Gang",
""
],
[
"He",
"Xiao-Gang",
""
]
] | OPERA collaboration has reported evidence of superluminal phenomenon for neutrinos. One of the possible ways to explain the superluminality is to have Lorentz symmetry violated. It has been shown that dispersion relations put forwards has the problem of physics laws vary in different inertial frames leading to conflict... |
hep-ph/0211298 | Sergei Chekanov | S. V. Chekanov (ANL) | Jet algorithms: a minireview | 8 pages, 2 eps figures, to be published in the proceedings of the
14th Topical Conference on Hadron Collider Physics, (28 Sep - 4 Oct 2002)
Karlsruhe, Germany | null | null | ANL-HEP-CP-02-103 | hep-ph | null | Many jet algorithms have been proposed in the past to study the hadronic
final state in E+E-, EP and PP collisions. Here we review some of the most
popular, mainly concentrating on the jet algorithms used at HERA and TEVATRON.
| [
{
"created": "Tue, 19 Nov 2002 10:44:57 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Chekanov",
"S. V.",
"",
"ANL"
]
] | Many jet algorithms have been proposed in the past to study the hadronic final state in E+E-, EP and PP collisions. Here we review some of the most popular, mainly concentrating on the jet algorithms used at HERA and TEVATRON. |
2008.08940 | Shihwen Hor | Koichi Hamaguchi, Shihwen Hor, and Natsumi Nagata | R-Symmetric Flipped SU(5) | 30 pages, 2 figures | null | 10.1007/JHEP11(2020)140 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We construct a supersymmetric flipped SU(5) grand unified model that
possesses an $R$ symmetry. This $R$ symmetry forbids dangerous
non-renormalizable operators suppressed by a cut-off scale up to sufficiently
large mass dimensions so that the SU(5)-breaking Higgs field develops a vacuum
expectation value of the orde... | [
{
"created": "Thu, 20 Aug 2020 12:49:02 GMT",
"version": "v1"
}
] | 2020-12-30 | [
[
"Hamaguchi",
"Koichi",
""
],
[
"Hor",
"Shihwen",
""
],
[
"Nagata",
"Natsumi",
""
]
] | We construct a supersymmetric flipped SU(5) grand unified model that possesses an $R$ symmetry. This $R$ symmetry forbids dangerous non-renormalizable operators suppressed by a cut-off scale up to sufficiently large mass dimensions so that the SU(5)-breaking Higgs field develops a vacuum expectation value of the order ... |
hep-ph/9708454 | null | T.G. Steele, J.C. Breckenridge, M. Benmerrouche, V. Elias, A.H.
Fariborz | QCD Sum Rules and the Pi(1300) Resonance | latex, 8 pages, 5 figures | Nucl.Phys. A624 (1997) 517-526 | 10.1016/S0375-9474(97)00472-7 | null | hep-ph | null | Global fits to the shape of the first QCD Laplace sum rule exhibiting
sensitivity to pion-resonance [$\Pi (1300)$] parameters are performed, leading
to predictions for the pion-resonance mass and decay constant. Two scenarios
are considered which differ only in their treatment of the dimension-six quark
condensate $<... | [
{
"created": "Mon, 25 Aug 1997 20:01:42 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Steele",
"T. G.",
""
],
[
"Breckenridge",
"J. C.",
""
],
[
"Benmerrouche",
"M.",
""
],
[
"Elias",
"V.",
""
],
[
"Fariborz",
"A. H.",
""
]
] | Global fits to the shape of the first QCD Laplace sum rule exhibiting sensitivity to pion-resonance [$\Pi (1300)$] parameters are performed, leading to predictions for the pion-resonance mass and decay constant. Two scenarios are considered which differ only in their treatment of the dimension-six quark condensate $< O... |
2102.07082 | Manu Kurian | Jai Prakash, Manu Kurian, Santosh K. Das, Vinod Chandra | Heavy quark transport in an anisotropic hot QCD medium: Collisional and
Radiative processes | 11 pages, 4 figures, Version accepted for publication in Physical
Review D | Phys. Rev. D 103, 094009 (2021) | 10.1103/PhysRevD.103.094009 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The impact of momentum anisotropy on the heavy quark transport coefficients
due to collisional and radiative processes in the QCD medium has been studied
within the ambit of kinetic theory. Anisotropic aspects (momentum) are
incorporated into the heavy quark dynamics through the non-equilibrium momentum
distribution ... | [
{
"created": "Sun, 14 Feb 2021 06:29:35 GMT",
"version": "v1"
},
{
"created": "Sat, 1 May 2021 09:22:34 GMT",
"version": "v2"
}
] | 2021-05-14 | [
[
"Prakash",
"Jai",
""
],
[
"Kurian",
"Manu",
""
],
[
"Das",
"Santosh K.",
""
],
[
"Chandra",
"Vinod",
""
]
] | The impact of momentum anisotropy on the heavy quark transport coefficients due to collisional and radiative processes in the QCD medium has been studied within the ambit of kinetic theory. Anisotropic aspects (momentum) are incorporated into the heavy quark dynamics through the non-equilibrium momentum distribution fu... |
hep-ph/9412321 | Vladimir Pascalutsa | V. Pascalutsa | On the interaction of spin 3/2 particles | 4 pages, latex, no figures | null | null | null | hep-ph | null | Lagrangian of a massive particle with spin 3/2 is considered in the
Rarita-Schwinger formalism. We discuss implications of the contact- and the
gauge-transformation on the physical content of free and interacting theories.
It is shown that the ``contact-invariance'' is trivial and has no physical
relevance. The requi... | [
{
"created": "Mon, 19 Dec 1994 21:39:36 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Dec 1994 06:14:05 GMT",
"version": "v2"
},
{
"created": "Tue, 9 Jul 1996 16:14:40 GMT",
"version": "v3"
}
] | 2016-09-01 | [
[
"Pascalutsa",
"V.",
""
]
] | Lagrangian of a massive particle with spin 3/2 is considered in the Rarita-Schwinger formalism. We discuss implications of the contact- and the gauge-transformation on the physical content of free and interacting theories. It is shown that the ``contact-invariance'' is trivial and has no physical relevance. The require... |
1006.2431 | Guy F. de T\'eramond | Guy F. de Teramond and Stanley J. Brodsky | Gauge/Gravity Duality and Hadron Physics at the Light-Front | Invited talk presented by GdT at XI Hadron Physics, Maresias Beach,
Sao Paulo, Brazil, 21-26 March 2010 | AIP Conf.Proc.1296:128-139,2010 | 10.1063/1.3523157 | SLAC-PUB-14154, CP3-Origins-2010-22 | hep-ph hep-lat hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss some remarkable features of the light-front holographic mapping of
classical gravity in anti-de Sitter space modified by a confining dilaton
background. In particular, we show that a positive-sign dilaton solution
$\exp(+\kappa^2 z^2)$ has better chances to describe the correct hadronic
phenomenology than ... | [
{
"created": "Sat, 12 Jun 2010 04:37:48 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Jun 2010 17:25:21 GMT",
"version": "v2"
}
] | 2010-12-15 | [
[
"de Teramond",
"Guy F.",
""
],
[
"Brodsky",
"Stanley J.",
""
]
] | We discuss some remarkable features of the light-front holographic mapping of classical gravity in anti-de Sitter space modified by a confining dilaton background. In particular, we show that a positive-sign dilaton solution $\exp(+\kappa^2 z^2)$ has better chances to describe the correct hadronic phenomenology than th... |
1808.00140 | Zhun Lu | Zhi-Lei Ma and Zhun Lu | Quark Wigner distribution of the pion meson in light-cone quark model | 9 pages, 3 figures | Phys. Rev. D 98, 054024 (2018) | 10.1103/PhysRevD.98.054024 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the quark Wigner distributions of the pion meson which are the
phase-space distributions containing the most general one-parton
information.Using the pion wavefunctions deduced from a light-cone quark model,
we calculate the Wigner distributions of the unpolarized, longitudinally
polarized and transversely p... | [
{
"created": "Wed, 1 Aug 2018 02:10:17 GMT",
"version": "v1"
}
] | 2018-10-03 | [
[
"Ma",
"Zhi-Lei",
""
],
[
"Lu",
"Zhun",
""
]
] | We study the quark Wigner distributions of the pion meson which are the phase-space distributions containing the most general one-parton information.Using the pion wavefunctions deduced from a light-cone quark model, we calculate the Wigner distributions of the unpolarized, longitudinally polarized and transversely pol... |
1702.08666 | Yoshihiro Shigekami | P. Ko, Yuji Omura, Yoshihiro Shigekami and Chaehyun Yu | LHCb anomaly and $B$ physics in flavored Z$^{\prime}$ models with
flavored Higgs doublets | 28 pages, 5 figures, v2: texts and figures are improved | Phys. Rev. D 95, 115040 (2017) | 10.1103/PhysRevD.95.115040 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study an extended Standard Model with a gauged U(1)$^{\prime}$ flavor
symmetry, motivated not only by the fermion mass hierarchy but also by the
excesses in $B \to K^{(*)} l l$ reported by the LHCb collaborations. The
U(1)$^{\prime}$ charges are assigned to quarks and leptons in a
flavor-dependent manner, and flav... | [
{
"created": "Tue, 28 Feb 2017 06:40:44 GMT",
"version": "v1"
},
{
"created": "Wed, 12 Jul 2017 09:58:46 GMT",
"version": "v2"
}
] | 2017-07-13 | [
[
"Ko",
"P.",
""
],
[
"Omura",
"Yuji",
""
],
[
"Shigekami",
"Yoshihiro",
""
],
[
"Yu",
"Chaehyun",
""
]
] | We study an extended Standard Model with a gauged U(1)$^{\prime}$ flavor symmetry, motivated not only by the fermion mass hierarchy but also by the excesses in $B \to K^{(*)} l l$ reported by the LHCb collaborations. The U(1)$^{\prime}$ charges are assigned to quarks and leptons in a flavor-dependent manner, and flavor... |
1209.3242 | Mikhail Vysotsky | M. I. Vysotsky | Screening of the Coulomb potential in superstrong magnetic field: atomic
levels and spontaneous production of positrons | The expanded variant of the lectures delivered at the 39th ITEP
Winter School in 2011. 22 pages, 7 figures, 6 tables | null | null | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The expanded variant of the lectures delivered at the 39th ITEP Winter School
in 2011
| [
{
"created": "Fri, 14 Sep 2012 16:04:51 GMT",
"version": "v1"
},
{
"created": "Thu, 1 Nov 2012 11:19:38 GMT",
"version": "v2"
}
] | 2012-11-02 | [
[
"Vysotsky",
"M. I.",
""
]
] | The expanded variant of the lectures delivered at the 39th ITEP Winter School in 2011 |
1007.2645 | Michael Rauch | Sebastian Bock, Remi Lafaye, Tilman Plehn, Michael Rauch, Dirk Zerwas,
Peter M. Zerwas | Measuring Hidden Higgs and Strongly-Interacting Higgs Scenarios | 12 pages, 7 figures; version to be published in Phys. Lett. B | Phys.Lett.B694:44-53,2010 | 10.1016/j.physletb.2010.09.032 | KA-TP-20-2010, SFB/CPP-10-59 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Higgs couplings can be affected by physics beyond the Standard Model. We
study modifications through interactions with a hidden sector and in specific
composite Higgs models accessible at the LHC. Both scenarios give rise to
congruent patterns of universal, or partially universal, shifts. In addition,
Higgs decays to... | [
{
"created": "Thu, 15 Jul 2010 20:01:33 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Sep 2010 20:08:17 GMT",
"version": "v2"
}
] | 2011-03-28 | [
[
"Bock",
"Sebastian",
""
],
[
"Lafaye",
"Remi",
""
],
[
"Plehn",
"Tilman",
""
],
[
"Rauch",
"Michael",
""
],
[
"Zerwas",
"Dirk",
""
],
[
"Zerwas",
"Peter M.",
""
]
] | Higgs couplings can be affected by physics beyond the Standard Model. We study modifications through interactions with a hidden sector and in specific composite Higgs models accessible at the LHC. Both scenarios give rise to congruent patterns of universal, or partially universal, shifts. In addition, Higgs decays to t... |
hep-ph/0612167 | Ulrich Nierste | Alexander Lenz and Ulrich Nierste | Theoretical update of Bs-Bs-bar mixing | 38 pages, 7 figures, revised version to appear in JHEP, comments
added. We correct the incorrect use of an experimental input in eq. (93) and
Fig. 7. Our conclusions remain unchanged | JHEP 0706:072,2007 | 10.1088/1126-6708/2007/06/072 | TTP06-31 | hep-ph | null | We update the theory predictions for the mass difference $\dm_s$, the width
difference $\dg_s$ and the CP asymmetry in flavour-specific decays, $a_{\rm
fs}^{s}$, for the \bbs system. In particular we present a new expression for
the element $\Gamma_{12}^s$ of the decay matrix, which enters the predictions
of $\dg_s$ ... | [
{
"created": "Wed, 13 Dec 2006 20:33:10 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Jun 2007 07:12:48 GMT",
"version": "v2"
},
{
"created": "Tue, 27 Nov 2007 15:59:36 GMT",
"version": "v3"
}
] | 2010-10-27 | [
[
"Lenz",
"Alexander",
""
],
[
"Nierste",
"Ulrich",
""
]
] | We update the theory predictions for the mass difference $\dm_s$, the width difference $\dg_s$ and the CP asymmetry in flavour-specific decays, $a_{\rm fs}^{s}$, for the \bbs system. In particular we present a new expression for the element $\Gamma_{12}^s$ of the decay matrix, which enters the predictions of $\dg_s$ an... |
2304.07080 | Kristjan Kannike | Kristjan Kannike | Dark matter induced dynamical symmetry breaking | 6 pages, 3 figures, contribution to the 2023 Electroweak session of
the 57th Rencontres de Moriond | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the classically scale invariant Higgs-dilaton model of dynamical
symmetry breaking extended with an extra scalar field that plays the role of
dark matter. The Higgs boson is light near a critical boundary between
different symmetry breaking phases, where quantum corrections beyond the usual
Gildener-Weinb... | [
{
"created": "Fri, 14 Apr 2023 12:08:41 GMT",
"version": "v1"
}
] | 2023-04-17 | [
[
"Kannike",
"Kristjan",
""
]
] | We consider the classically scale invariant Higgs-dilaton model of dynamical symmetry breaking extended with an extra scalar field that plays the role of dark matter. The Higgs boson is light near a critical boundary between different symmetry breaking phases, where quantum corrections beyond the usual Gildener-Weinber... |
hep-ph/0001240 | Anna Dubnickova | S. Dubnicka (SAS Bratislava), A.Z. Dubnickova, P. Weisenpacher
(Comenius University) | Non-Standard Model of the Nucleon Electromagnetic Structure and its
Predictability | Latex, 35 pages, 5 eps figures | null | null | null | hep-ph | null | Unitary and analytic ten-resonance model of the nucleon electromagnetic
(e.m.) structure with canonical normalizations and asymptotics is constructed
on a four-sheeted Riemann surface. It describes well all existing experimental
space-like and time-like data on the nucleon e.m. form factors (ff's),
including also FEN... | [
{
"created": "Mon, 24 Jan 2000 15:15:04 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dubnicka",
"S.",
"",
"SAS Bratislava"
],
[
"Dubnickova",
"A. Z.",
"",
"Comenius University"
],
[
"Weisenpacher",
"P.",
"",
"Comenius University"
]
] | Unitary and analytic ten-resonance model of the nucleon electromagnetic (e.m.) structure with canonical normalizations and asymptotics is constructed on a four-sheeted Riemann surface. It describes well all existing experimental space-like and time-like data on the nucleon e.m. form factors (ff's), including also FENIC... |
hep-ph/0110255 | Gino Isidori | Gino Isidori | Rare decays: theory vs. experiments | 20 pages, 9 figures, invited talk at 20th International Symposium on
Lepton and Photon Interactions at High Energies, Rome, August 2001; v2 & v3:
minor modifications, few references added | Int.J.Mod.Phys.A17:3078-3098,2002 | 10.1142/S0217751X02012612 | CERN-TH/2001-284 | hep-ph | null | We present an overview of rare K, D and B decays. Particular attention is
devoted to those flavour-changing neutral-current processes of K and B mesons
that offer the possibility of new significant tests of the Standard Model. The
sensitivity of these modes to physics beyond the Standard Model and the status
of their... | [
{
"created": "Thu, 18 Oct 2001 15:26:17 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Nov 2001 17:28:40 GMT",
"version": "v2"
},
{
"created": "Tue, 20 Nov 2001 09:14:48 GMT",
"version": "v3"
}
] | 2010-11-23 | [
[
"Isidori",
"Gino",
""
]
] | We present an overview of rare K, D and B decays. Particular attention is devoted to those flavour-changing neutral-current processes of K and B mesons that offer the possibility of new significant tests of the Standard Model. The sensitivity of these modes to physics beyond the Standard Model and the status of their e... |
hep-ph/9602395 | Francesco Vissani | Francesco Vissani | $R$-Parity Breaking Phenomenology | LaTeX, 10 pages, 1 LaTeX figure; to appear in the proceedings of the
5th Hellenic School and Workshops on Elementary Particle Physics; minor
changes, 1 reference added | null | null | IC/96/32 | hep-ph | null | We review various features of the $R$-parity breaking phenomenology, with
particular attention to the low energy observables, and to the patterns of the
$R$-parity breaking interactions that arise in Grand Unified models.
| [
{
"created": "Mon, 26 Feb 1996 13:27:21 GMT",
"version": "v1"
},
{
"created": "Mon, 11 Mar 1996 18:41:40 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Vissani",
"Francesco",
""
]
] | We review various features of the $R$-parity breaking phenomenology, with particular attention to the low energy observables, and to the patterns of the $R$-parity breaking interactions that arise in Grand Unified models. |
1403.7503 | Vladyslav Pauk | Vladyslav Pauk, Marc Vanderhaeghen | Two-loop massive scalar three-point function in a dispersive approach | 13 pages, 11 figures | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a dispersion relation formalism to calculate a massive scalar
two-loop vertex function. Such calculation is of direct relevance in the
evaluation of the hadronic light-by-light contribution to the muon's anomalous
magnetic moment due to meson poles. The discontinuity of the two-loop diagram
is obtained by ... | [
{
"created": "Fri, 28 Mar 2014 19:28:38 GMT",
"version": "v1"
},
{
"created": "Wed, 12 Nov 2014 14:59:17 GMT",
"version": "v2"
}
] | 2014-11-13 | [
[
"Pauk",
"Vladyslav",
""
],
[
"Vanderhaeghen",
"Marc",
""
]
] | We present a dispersion relation formalism to calculate a massive scalar two-loop vertex function. Such calculation is of direct relevance in the evaluation of the hadronic light-by-light contribution to the muon's anomalous magnetic moment due to meson poles. The discontinuity of the two-loop diagram is obtained by a ... |
hep-ph/9807478 | Sasa Prelovsek | S. Prelovsek, S. Fajfer and P. Singer | Can FCNC transition $c\to ul^+l^-$ be seen in $D\to Vl^+l^-$ decays? | 3 pages, latex, 3 figures, Talk given by S. Prelovsek at the
Hyperons, Charm and Beauty Hadrons, Genova, Italy, 30 June -3 July 1998, to
appear as proceedings in Nucl. Phys. B | Nucl.Phys.Proc.Suppl.75B:141-143,1999 | 10.1016/S0920-5632(99)00224-8 | IJS-TP-98/17 | hep-ph | null | The decays $D\to Vl^+l^-$ present in principle the opportunity to observe the
short distance FCNC transition $c\to ul^+l^-$, which is sensitive to the
physics beyond the Standard Model. We analyze the $D \to V l^+ l^- $ decays
within the Standard Model, where in addition to the short distance dynamics
also the long d... | [
{
"created": "Thu, 23 Jul 1998 14:06:02 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Prelovsek",
"S.",
""
],
[
"Fajfer",
"S.",
""
],
[
"Singer",
"P.",
""
]
] | The decays $D\to Vl^+l^-$ present in principle the opportunity to observe the short distance FCNC transition $c\to ul^+l^-$, which is sensitive to the physics beyond the Standard Model. We analyze the $D \to V l^+ l^- $ decays within the Standard Model, where in addition to the short distance dynamics also the long dis... |
hep-ph/0501018 | Sergey Troshin | S. M. Troshin, N. E. Tyurin | Cosmic rays and antishadowing | 6 pages, 3 figures, extended content | null | null | null | hep-ph astro-ph | null | We note that antishadowing could help in the explanation of cosmic rays
phenomena such as knee in the energetic spectrum and existence of penetrating
and long-flying particles.
| [
{
"created": "Tue, 4 Jan 2005 09:23:00 GMT",
"version": "v1"
},
{
"created": "Thu, 14 Apr 2005 07:22:46 GMT",
"version": "v2"
},
{
"created": "Fri, 27 May 2005 08:13:13 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Troshin",
"S. M.",
""
],
[
"Tyurin",
"N. E.",
""
]
] | We note that antishadowing could help in the explanation of cosmic rays phenomena such as knee in the energetic spectrum and existence of penetrating and long-flying particles. |
hep-ph/9906417 | Juergen Baacke | J. Baacke and C. Patzold | Out-of-equilibrium evolution of scalar fields in FRW cosmology:
renormalization and numerical simulations | 44 pages, uses latexsym, 6 pages with 11 figures in a .ps file | Phys.Rev. D61 (2000) 024016 | 10.1103/PhysRevD.61.024016 | DO-TH-99/09 | hep-ph | null | We present a renormalized computational framework for the evolution of a
self-interacting scalar field (inflaton) and its quantum fluctuations in an FRW
background geometry. We include a coupling of the field to the Ricci scalar
with a general coupling parameter $\xi$. We take into account the classical and
quantum b... | [
{
"created": "Thu, 17 Jun 1999 15:52:03 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Baacke",
"J.",
""
],
[
"Patzold",
"C.",
""
]
] | We present a renormalized computational framework for the evolution of a self-interacting scalar field (inflaton) and its quantum fluctuations in an FRW background geometry. We include a coupling of the field to the Ricci scalar with a general coupling parameter $\xi$. We take into account the classical and quantum bac... |
0807.4474 | Markus Diehl | Daniela Amrath, Markus Diehl, Jean-Philippe Lansberg | Deeply virtual Compton scattering on a virtual pion target | 23 pages, 9 figures | Eur.Phys.J.C58:179-192,2008 | 10.1140/epjc/s10052-008-0769-1 | DESY 08-103, CPHT-RR007.0308 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study deeply virtual Compton scattering on a virtual pion that is emitted
by a proton. Using a range of models for the generalized parton distributions
of the pion, we evaluate the cross section, as well as the beam spin and beam
charge asymmetries in the leading-twist approximation. Studying Compton
scattering on... | [
{
"created": "Mon, 28 Jul 2008 15:33:54 GMT",
"version": "v1"
}
] | 2008-12-18 | [
[
"Amrath",
"Daniela",
""
],
[
"Diehl",
"Markus",
""
],
[
"Lansberg",
"Jean-Philippe",
""
]
] | We study deeply virtual Compton scattering on a virtual pion that is emitted by a proton. Using a range of models for the generalized parton distributions of the pion, we evaluate the cross section, as well as the beam spin and beam charge asymmetries in the leading-twist approximation. Studying Compton scattering on t... |
hep-ph/9709236 | Hsiang-Nan Li | Hsiang-nan Li | A modified BFKL equation with unitarity | Conclusion is revised. One figure is added | Phys.Lett. B429 (1998) 121-126 | 10.1016/S0370-2693(98)00433-X | NCKU-HEP-97-05 | hep-ph | null | We propose a modified Balitskii-Fadin-Kuraev-Lipatov equation from the
viewpoint of the resummation technique, which satisfies the unitarity bound.
The idea is to relax the strong rapidity ordering and to restrict phase space
for real gluon emissions in the evaluation of the BFKL kernel. It is found that
the gluon di... | [
{
"created": "Thu, 4 Sep 1997 17:37:44 GMT",
"version": "v1"
},
{
"created": "Fri, 26 Sep 1997 06:30:21 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Li",
"Hsiang-nan",
""
]
] | We propose a modified Balitskii-Fadin-Kuraev-Lipatov equation from the viewpoint of the resummation technique, which satisfies the unitarity bound. The idea is to relax the strong rapidity ordering and to restrict phase space for real gluon emissions in the evaluation of the BFKL kernel. It is found that the gluon dist... |
2205.13118 | Yu-Qi Xiao | Shao-Long Chen and Yu-Qi Xiao | The Neutrinoless Double Beta Decay in the Colored Zee-Babu Model | 18 pages, 3 figures, references added | null | 10.1016/j.nuclphysb.2022.116041 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We study the neutrinoless double beta decay in the colored Zee-Babu model. We
consider three cases of the colored Zee-Babu model with a leptoquark and a
diquark introduced. The neutrino masses are generated at two-loop level, and
the constraints given by tree-level flavor violation processes and muon
anomalous magnet... | [
{
"created": "Thu, 26 May 2022 02:56:02 GMT",
"version": "v1"
},
{
"created": "Mon, 6 Jun 2022 07:53:43 GMT",
"version": "v2"
}
] | 2022-12-28 | [
[
"Chen",
"Shao-Long",
""
],
[
"Xiao",
"Yu-Qi",
""
]
] | We study the neutrinoless double beta decay in the colored Zee-Babu model. We consider three cases of the colored Zee-Babu model with a leptoquark and a diquark introduced. The neutrino masses are generated at two-loop level, and the constraints given by tree-level flavor violation processes and muon anomalous magnetic... |
1411.2606 | Ariel Zhitnitsky | Ariel R. Zhitnitsky | The topological long range order in QCD. Applications to heavy ion
collisions and cosmology | Prepare for the proceedings of the 3rd International Conference on
New Frontiers in Physics (ICNFP-2014), Kolymbari, Crete, 2014, 14 pages, 4
figures | null | null | null | hep-ph gr-qc hep-lat hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We argue that the local violation of P invariance in heavy ion collisions is
a consequence of the long range topological order which is inherent feature of
strongly coupled QCD. A similar phenomenon is known to occur in some
topologically ordered condensed matter systems with a gap. We also discuss
possible cosmologi... | [
{
"created": "Mon, 10 Nov 2014 21:02:19 GMT",
"version": "v1"
}
] | 2014-11-12 | [
[
"Zhitnitsky",
"Ariel R.",
""
]
] | We argue that the local violation of P invariance in heavy ion collisions is a consequence of the long range topological order which is inherent feature of strongly coupled QCD. A similar phenomenon is known to occur in some topologically ordered condensed matter systems with a gap. We also discuss possible cosmologica... |
hep-ph/9705289 | Masayuki Uehara | S. Saito(Nagoya University) and M. Uehara(Saga University) | Do really the seagull terms survive for the electric polarizability of
the nucleon | 9 pages | Nucl.Phys. A628 (1998) 112-118 | 10.1016/S0375-9474(97)00621-0 | SAGA-HE-123 | hep-ph | null | The seagull terms for the electric polarizability of the nucleon are shown to
vanish, if one introduces fluctuations around the Skyrmion, and the origin of
the eletric polarizability cannot be attributed to the seagull terms in the
Skyrme model.
| [
{
"created": "Mon, 12 May 1997 06:08:15 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Saito",
"S.",
"",
"Nagoya University"
],
[
"Uehara",
"M.",
"",
"Saga University"
]
] | The seagull terms for the electric polarizability of the nucleon are shown to vanish, if one introduces fluctuations around the Skyrmion, and the origin of the eletric polarizability cannot be attributed to the seagull terms in the Skyrme model. |
1007.1151 | Ulrich Ellwanger | Debottam Das and Ulrich Ellwanger | Light dark matter in the NMSSM: upper bounds on direct detection cross
sections | 17 pages, 3 figures | JHEP 1009:085,2010 | 10.1007/JHEP09(2010)085 | LPT Orsay 10-53 | hep-ph astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the Next-to-Minimal Supersymmetric Standard Model, a bino-like LSP can be
as light as a few GeV and satisfy WMAP constraints on the dark matter relic
density in the presence of a light CP-odd Higgs scalar. We study upper bounds
on the direct detection cross sections for such a light LSP in the mass range
2-20 GeV ... | [
{
"created": "Wed, 7 Jul 2010 14:45:13 GMT",
"version": "v1"
}
] | 2014-11-21 | [
[
"Das",
"Debottam",
""
],
[
"Ellwanger",
"Ulrich",
""
]
] | In the Next-to-Minimal Supersymmetric Standard Model, a bino-like LSP can be as light as a few GeV and satisfy WMAP constraints on the dark matter relic density in the presence of a light CP-odd Higgs scalar. We study upper bounds on the direct detection cross sections for such a light LSP in the mass range 2-20 GeV in... |
hep-ph/9710406 | null | Gouranga C Nayak and V. Ravishankar (Dept. of Physics, Indian
Institute of Technology, Kanpur. INDIA) | Pre-equilibrium evolution of quark-gluon plasma | 22 pages Latex, 14 postscript figures; Minor changes are made: To
appear in Physical Reveiw C | Phys.Rev.C58:356-364,1998 | 10.1103/PhysRevC.58.356 | null | hep-ph nucl-th | null | We study the production and the evolution of quark-gluon plasma expected to
be formed in ultra relativistic heavy-ion collisions, within the color
flux-tube model. We introduce the gluonic component in the Boltzmann equation,
which we solve in the phase space which is extended to include the SU(3) color
degree of fre... | [
{
"created": "Mon, 20 Oct 1997 11:07:31 GMT",
"version": "v1"
},
{
"created": "Wed, 15 Apr 1998 05:02:40 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Nayak",
"Gouranga C",
"",
"Dept. of Physics, Indian\n Institute of Technology, Kanpur. INDIA"
],
[
"Ravishankar",
"V.",
"",
"Dept. of Physics, Indian\n Institute of Technology, Kanpur. INDIA"
]
] | We study the production and the evolution of quark-gluon plasma expected to be formed in ultra relativistic heavy-ion collisions, within the color flux-tube model. We introduce the gluonic component in the Boltzmann equation, which we solve in the phase space which is extended to include the SU(3) color degree of freed... |
1010.4623 | Ming Zhen Zhou | Jian-Mei Hou, Chang-Qiao Du, Hong Chen, Ming-Zhen Zhou | Radiative vertex $VP\gamma$ and $\eta-\eta'$ mixing in light-cone sum
rules | 9 pages, 12 figures, 2 tables | Phys.Lett.B696:51-57,2011 | 10.1016/j.physletb.2010.12.002 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we calculate radiative vertex $VP\gamma$ ($V=\phi,\omega,\rho$
and $P=\eta,\eta'$) by utilizing $\omega-\phi$ mixing scheme and taking into
account the contributions of the three-particle twist-4 distribution amplitudes
of the photon in QCD sum rules on light cone. According to experimental data of
$V\r... | [
{
"created": "Fri, 22 Oct 2010 06:53:32 GMT",
"version": "v1"
},
{
"created": "Thu, 6 Jan 2011 02:13:31 GMT",
"version": "v2"
}
] | 2011-01-27 | [
[
"Hou",
"Jian-Mei",
""
],
[
"Du",
"Chang-Qiao",
""
],
[
"Chen",
"Hong",
""
],
[
"Zhou",
"Ming-Zhen",
""
]
] | In this work, we calculate radiative vertex $VP\gamma$ ($V=\phi,\omega,\rho$ and $P=\eta,\eta'$) by utilizing $\omega-\phi$ mixing scheme and taking into account the contributions of the three-particle twist-4 distribution amplitudes of the photon in QCD sum rules on light cone. According to experimental data of $V\rig... |
0903.0005 | Rikkert Frederix | John M. Campbell, Rikkert Frederix, Fabio Maltoni, Francesco
Tramontano | Next-to-leading-order predictions for t-channel single-top production at
hadron colliders | 5 pages, 5 figures. Updated results with more recent CTEQ6.6 PDF set.
Included PDF uncertainties | Phys.Rev.Lett.102:182003,2009 | 10.1103/PhysRevLett.102.182003 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the predictions at next-to-leading order (NLO) in the strong
coupling for the single-top cross section in the t channel at the Tevatron and
the LHC. Our calculation starts from the 2 -> 3 Born amplitude g q -> t bbar
q', keeping the b-quark mass non-zero. A comparison is performed with a
traditional NLO ca... | [
{
"created": "Mon, 2 Mar 2009 11:18:31 GMT",
"version": "v1"
},
{
"created": "Fri, 1 May 2009 13:44:09 GMT",
"version": "v2"
}
] | 2009-06-30 | [
[
"Campbell",
"John M.",
""
],
[
"Frederix",
"Rikkert",
""
],
[
"Maltoni",
"Fabio",
""
],
[
"Tramontano",
"Francesco",
""
]
] | We present the predictions at next-to-leading order (NLO) in the strong coupling for the single-top cross section in the t channel at the Tevatron and the LHC. Our calculation starts from the 2 -> 3 Born amplitude g q -> t bbar q', keeping the b-quark mass non-zero. A comparison is performed with a traditional NLO calc... |
1903.05101 | Yonit Hochberg | Yonit Hochberg, Ilya Charaev, Sae-Woo Nam, Varun Verma, Marco
Colangelo, Karl K. Berggren | Detecting Dark Matter with Superconducting Nanowires | 7 pages, 4 figures | Phys. Rev. Lett. 123, 151802 (2019) | 10.1103/PhysRevLett.123.151802 | null | hep-ph cond-mat.supr-con hep-ex quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose the use of superconducting nanowires as both target and sensor for
direct detection of sub-GeV dark matter. With excellent sensitivity to small
energy deposits on electrons, and demonstrated low dark counts, such devices
could be used to probe electron recoils from dark matter scattering and
absorption pro... | [
{
"created": "Tue, 12 Mar 2019 18:00:06 GMT",
"version": "v1"
}
] | 2019-10-16 | [
[
"Hochberg",
"Yonit",
""
],
[
"Charaev",
"Ilya",
""
],
[
"Nam",
"Sae-Woo",
""
],
[
"Verma",
"Varun",
""
],
[
"Colangelo",
"Marco",
""
],
[
"Berggren",
"Karl K.",
""
]
] | We propose the use of superconducting nanowires as both target and sensor for direct detection of sub-GeV dark matter. With excellent sensitivity to small energy deposits on electrons, and demonstrated low dark counts, such devices could be used to probe electron recoils from dark matter scattering and absorption proce... |
hep-ph/0004023 | Yoav Achiman | Yoav Achiman and Carsten Merten | Large Quark Rotations, Neutrino mixing and Proton Decay | Latex2e file with 3 PS figures, minor corrections,the final version
to be published in Nucl. Phys. B | Nucl.Phys. B584 (2000) 46-68 | 10.1016/S0550-3213(00)00353-9 | WUB 00-03, TAUP 2627-2000 | hep-ph | null | Right-handed (RH) rotations do not play a role in the Standard Model, and
only the differences of the LH mixing angles are involved in ${\bf V}_{\scr
\textrm{CKM}}$. This leads to the huge freedom in the fermionic mass matrices.
However, that is no more true in extensions of the Standard Model. For example
in GUTs la... | [
{
"created": "Tue, 4 Apr 2000 13:17:09 GMT",
"version": "v1"
},
{
"created": "Tue, 30 May 2000 11:40:22 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Achiman",
"Yoav",
""
],
[
"Merten",
"Carsten",
""
]
] | Right-handed (RH) rotations do not play a role in the Standard Model, and only the differences of the LH mixing angles are involved in ${\bf V}_{\scr \textrm{CKM}}$. This leads to the huge freedom in the fermionic mass matrices. However, that is no more true in extensions of the Standard Model. For example in GUTs larg... |
hep-ph/0305212 | Keith Olive | J. Ellis (CERN), K.A. Olive (FTPI, U of Minnesota), Y. Santoso (FTPI,
U of Minnesota), V.C. Spanos (FTPI, U of Minnesota) | Phenomenological Constraints on Patterns of Supersymmetry Breaking | 17 pages LaTeX, 9 eps figures | Phys.Lett.B573:162-172,2003 | 10.1016/j.physletb.2003.08.056 | CERN-TH/2003-107,UMN-TH-2201/03,FTPI-MINN-03/12 | hep-ph astro-ph | null | Specific models of supersymmetry breaking predict relations between the
trilinear and bilinear soft supersymmetry breaking parameters A_0 and B_0 at
the input scale. In such models, the value of tan beta can be calculated as a
function of the scalar masses m_0 and the gaugino masses m_{1/2}, which we
assume to be uni... | [
{
"created": "Tue, 20 May 2003 16:48:50 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Ellis",
"J.",
"",
"CERN"
],
[
"Olive",
"K. A.",
"",
"FTPI, U of Minnesota"
],
[
"Santoso",
"Y.",
"",
"FTPI,\n U of Minnesota"
],
[
"Spanos",
"V. C.",
"",
"FTPI, U of Minnesota"
]
] | Specific models of supersymmetry breaking predict relations between the trilinear and bilinear soft supersymmetry breaking parameters A_0 and B_0 at the input scale. In such models, the value of tan beta can be calculated as a function of the scalar masses m_0 and the gaugino masses m_{1/2}, which we assume to be unive... |
2101.08265 | Anders Eller Thomsen Ph.D. | Anders Eller Thomsen | RGBeta: A Mathematica Package for the Evaluation of Renormalization
Group $ \beta $-Functions | 27 pages, 3 tables. The package, tutorial notebook, and sample files
are available at https://github.com/aethomsen/RGBeta | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In completely generic four-dimensional gauge-Yukawa theories, the
renormalization group $ \beta $-functions are known to the 3-2-2 loop order in
gauge, Yukawa, and quartic couplings, respectively. It does, however, remain
difficult to apply these results to specific models without the use of
dedicated computer tools.... | [
{
"created": "Wed, 20 Jan 2021 19:00:00 GMT",
"version": "v1"
}
] | 2021-01-22 | [
[
"Thomsen",
"Anders Eller",
""
]
] | In completely generic four-dimensional gauge-Yukawa theories, the renormalization group $ \beta $-functions are known to the 3-2-2 loop order in gauge, Yukawa, and quartic couplings, respectively. It does, however, remain difficult to apply these results to specific models without the use of dedicated computer tools. W... |
hep-ph/9905206 | Palash Baran Pal | Avijit K. Ganguly, Sushan Konar, Palash B. Pal | Faraday effect : a field theoretical point of view | 20 pages, Latex, uses axodraw.sty | Phys. Rev. D 60, 105014 (1999) | 10.1103/PhysRevD.60.105014 | SINP/TNP/99-15 | hep-ph | null | We analyze the structure of the vacuum polarization tensor in the presence of
a background electromagnetic field in a medium. We use various discrete
symmetries and crossing symmetry to constrain the form factors obtained for the
most general case. From these symmetry arguments, we show why the vacuum
polarization te... | [
{
"created": "Mon, 3 May 1999 11:18:04 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Jun 1999 04:51:09 GMT",
"version": "v2"
}
] | 2016-08-25 | [
[
"Ganguly",
"Avijit K.",
""
],
[
"Konar",
"Sushan",
""
],
[
"Pal",
"Palash B.",
""
]
] | We analyze the structure of the vacuum polarization tensor in the presence of a background electromagnetic field in a medium. We use various discrete symmetries and crossing symmetry to constrain the form factors obtained for the most general case. From these symmetry arguments, we show why the vacuum polarization tens... |
1409.6383 | Yasuhiko Tsue | Y. Tsue (Kochi Univ., Japan), J. da Providencia (Univ. de Coimbra,
Portugal), C. Providencia (Univ. de Coimbra, Portugal), M. Yamamura (Kansai
Univ., Japan), H. Bohr (Danish Technical Univ., Denmark) | Spin Polarization versus Color-Flavor-Locking in High Density Quark
Matter | 23 pages, 4 figures | null | 10.1093/ptep/ptu172 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is shown that spin polarization with respect to each flavor in
three-flavor quark matter occurs instead of the color-flavor locking at high
baryon density by using the Nambu-Jona-Lasinio model with four-point
tensor-type interaction. Also, it is indicated that the order of phase
transition between the color-flavor... | [
{
"created": "Tue, 23 Sep 2014 01:26:36 GMT",
"version": "v1"
},
{
"created": "Thu, 27 Nov 2014 02:03:04 GMT",
"version": "v2"
}
] | 2015-01-21 | [
[
"Tsue",
"Y.",
"",
"Kochi Univ., Japan"
],
[
"da Providencia",
"J.",
"",
"Univ. de Coimbra,\n Portugal"
],
[
"Providencia",
"C.",
"",
"Univ. de Coimbra, Portugal"
],
[
"Yamamura",
"M.",
"",
"Kansai\n Univ., Japan"
],
[
"Bohr",
... | It is shown that spin polarization with respect to each flavor in three-flavor quark matter occurs instead of the color-flavor locking at high baryon density by using the Nambu-Jona-Lasinio model with four-point tensor-type interaction. Also, it is indicated that the order of phase transition between the color-flavor l... |
1509.05615 | Lucien Heurtier | Otilia Ducu, Lucien Heurtier, and Julien Maurer | LHC signatures of a Z' mediator between dark matter and the SU(3) sector | 17 pages, 6 figures | null | 10.1007/JHEP03(2016)006 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper, we study the experimental signatures of a gluophilic $Z'$ at
the LHC, in particular through the analysis of three jets or four tops events.
The $Z'$ couples to gluons through dimension six operators and the parameter
space is constrained with experimental searches released at 7 and 8
$\mathrm{TeV}$ by ... | [
{
"created": "Fri, 18 Sep 2015 13:16:34 GMT",
"version": "v1"
}
] | 2016-03-23 | [
[
"Ducu",
"Otilia",
""
],
[
"Heurtier",
"Lucien",
""
],
[
"Maurer",
"Julien",
""
]
] | In this paper, we study the experimental signatures of a gluophilic $Z'$ at the LHC, in particular through the analysis of three jets or four tops events. The $Z'$ couples to gluons through dimension six operators and the parameter space is constrained with experimental searches released at 7 and 8 $\mathrm{TeV}$ by CM... |
1303.3271 | Matthew Reece | JiJi Fan, Andrey Katz, Lisa Randall, Matthew Reece | A Dark-Disk Universe | Concise companion to arXiv:1303.1521; v2: published in PRL,
references added | null | 10.1103/PhysRevLett.110.211302 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We point out that current constraints on dark matter imply only that the
majority of dark matter is cold and collisionless. A subdominant fraction of
dark matter could have much stronger interactions. In particular, it could
interact in a manner that dissipates energy, thereby cooling into a
rotationally-supported di... | [
{
"created": "Wed, 13 Mar 2013 20:00:02 GMT",
"version": "v1"
},
{
"created": "Sat, 3 Aug 2013 17:53:40 GMT",
"version": "v2"
}
] | 2013-08-06 | [
[
"Fan",
"JiJi",
""
],
[
"Katz",
"Andrey",
""
],
[
"Randall",
"Lisa",
""
],
[
"Reece",
"Matthew",
""
]
] | We point out that current constraints on dark matter imply only that the majority of dark matter is cold and collisionless. A subdominant fraction of dark matter could have much stronger interactions. In particular, it could interact in a manner that dissipates energy, thereby cooling into a rotationally-supported disk... |
hep-ph/9604409 | W. S. Hou | George Wei-Shu Hou (National Taiwan University) | Like Sign Top Pair Production via $e^+e^-\to h^0A^0 \to tt\bar c\bar c$ | 10 pages, latex, no figures. Talk presented at LCWS95, September
1995, Morioka-Appi, Japan | null | null | NTUTH-96-02 | hep-ph | null | We discuss the possibility and likelihood that one may observe {\it like
sign} top quark pair production at the Linear Collider. In general two Higgs
models, flavor changing couplings involving top quark could be quite sizable.
Exotic neutral Higgs bosons may decay dominantly via $t\bar c$ or $\bar tc$
channels. At t... | [
{
"created": "Fri, 26 Apr 1996 20:11:33 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hou",
"George Wei-Shu",
"",
"National Taiwan University"
]
] | We discuss the possibility and likelihood that one may observe {\it like sign} top quark pair production at the Linear Collider. In general two Higgs models, flavor changing couplings involving top quark could be quite sizable. Exotic neutral Higgs bosons may decay dominantly via $t\bar c$ or $\bar tc$ channels. At the... |
2002.03013 | Howard Baer | Howard Baer, Vernon Barger, Shadman Salam, Dibyashree Sengupta and
Kuver Sinha | Midi-review: Status of weak scale supersymmetry after LHC Run 2 and
ton-scale noble liquid WIMP searches | 47 pages; version 2 includes typo fixes and some added discussion;
version 3 contains minor re-wording on weak scale limits from Agrawal et al | null | 10.1140/epjst/e2020-000020-x | OU-HEP-191231 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | While LHC has discovered a very Standard Model-like Higgs boson of mass m_h~
125 GeV, no solid signal for physics beyond the Standard Model has emerged so
far at LHC or at WIMP seach experiments. For the case of weak scale
supersymmetry (SUSY), LHC has found rather generally that gluinos are beyond
about 2.2 TeV whil... | [
{
"created": "Fri, 7 Feb 2020 21:15:57 GMT",
"version": "v1"
},
{
"created": "Thu, 28 May 2020 18:27:54 GMT",
"version": "v2"
},
{
"created": "Tue, 10 Nov 2020 16:35:08 GMT",
"version": "v3"
}
] | 2020-12-30 | [
[
"Baer",
"Howard",
""
],
[
"Barger",
"Vernon",
""
],
[
"Salam",
"Shadman",
""
],
[
"Sengupta",
"Dibyashree",
""
],
[
"Sinha",
"Kuver",
""
]
] | While LHC has discovered a very Standard Model-like Higgs boson of mass m_h~ 125 GeV, no solid signal for physics beyond the Standard Model has emerged so far at LHC or at WIMP seach experiments. For the case of weak scale supersymmetry (SUSY), LHC has found rather generally that gluinos are beyond about 2.2 TeV whilst... |
1204.5477 | Alexander Kartavtsev | F. Bezrukov, A. Kartavtsev, M. Lindner | Leptogenesis in models with keV sterile neutrino dark matter | 6 pages, 1 figure | null | 10.1088/0954-3899/40/9/095202 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze leptogenesis in gauge extensions of the Standard Model with keV
sterile neutrino dark matter. We find that both the observed dark matter
abundance and the correct baryon asymmetry of the Universe can simultaneously
emerge in these models. Both the dark matter abundance and the leptogenesis are
controlled b... | [
{
"created": "Tue, 24 Apr 2012 20:00:03 GMT",
"version": "v1"
},
{
"created": "Wed, 31 Jul 2013 15:29:11 GMT",
"version": "v2"
}
] | 2015-06-04 | [
[
"Bezrukov",
"F.",
""
],
[
"Kartavtsev",
"A.",
""
],
[
"Lindner",
"M.",
""
]
] | We analyze leptogenesis in gauge extensions of the Standard Model with keV sterile neutrino dark matter. We find that both the observed dark matter abundance and the correct baryon asymmetry of the Universe can simultaneously emerge in these models. Both the dark matter abundance and the leptogenesis are controlled by ... |
0905.2097 | Neda Sadooghi | Neda Sadooghi | Chiral MHD description of a perfect magnetized QGP using the effective
NJL model in a strong magnetic field | 40 pages, 9 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | To study the effect of a strong magnetic field $B$ on the sound velocity
$v_{s}$ of plane waves propagating in a strongly magnetized quark-gluon plasma
(QGP), a chiral magnetohydrodynamical (MHD) description of a perfect
(non-dissipative) QGP exhibiting dynamical chiral symmetry breaking (D$\chi$SB)
is developed usin... | [
{
"created": "Wed, 13 May 2009 18:20:16 GMT",
"version": "v1"
}
] | 2009-05-14 | [
[
"Sadooghi",
"Neda",
""
]
] | To study the effect of a strong magnetic field $B$ on the sound velocity $v_{s}$ of plane waves propagating in a strongly magnetized quark-gluon plasma (QGP), a chiral magnetohydrodynamical (MHD) description of a perfect (non-dissipative) QGP exhibiting dynamical chiral symmetry breaking (D$\chi$SB) is developed using ... |
2108.04285 | Drew Backhouse | Drew Backhouse | The Phenomenological Motivation of Axions: A Review | 42 pages | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Setting aside anthropic arguments, there is no reason for CP symmetry to be
obeyed within the theory of quantum chromodynamics. However, no such violation
of CP symmetry has ever been observed in a strongly interacting experiment.
This is known as the strong CP problem which, in its simplest manifestations,
can be qu... | [
{
"created": "Mon, 9 Aug 2021 18:21:29 GMT",
"version": "v1"
}
] | 2021-08-11 | [
[
"Backhouse",
"Drew",
""
]
] | Setting aside anthropic arguments, there is no reason for CP symmetry to be obeyed within the theory of quantum chromodynamics. However, no such violation of CP symmetry has ever been observed in a strongly interacting experiment. This is known as the strong CP problem which, in its simplest manifestations, can be quan... |
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