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1401.0151 | Zhenjun Xiao | Zhen-Jun Xiao and Xin Liu | The two-body hadronic decays of $B_c$ meson in the perturbative QCD
approach: A short review | 19 pages, 2 figures, 3 tables; Some references are updated. Final
version being published in Chinese Science Bulletin | Chin.Sci.Bull. 59 (2014) 3748-3759 | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Along with the running of Large Hadron Collider (LHC) located at CERN in
November 2009, a large number of data samples of $B_c$ meson have been
collected and some hadronic $B_c$ decay modes have been measured by the LHC
experiments. In view of the special and important roles of $B_c$ meson decays
playing in the heavy... | [
{
"created": "Tue, 31 Dec 2013 14:29:00 GMT",
"version": "v1"
},
{
"created": "Fri, 28 Feb 2014 14:02:27 GMT",
"version": "v2"
},
{
"created": "Thu, 31 Jul 2014 17:50:40 GMT",
"version": "v3"
}
] | 2014-08-01 | [
[
"Xiao",
"Zhen-Jun",
""
],
[
"Liu",
"Xin",
""
]
] | Along with the running of Large Hadron Collider (LHC) located at CERN in November 2009, a large number of data samples of $B_c$ meson have been collected and some hadronic $B_c$ decay modes have been measured by the LHC experiments. In view of the special and important roles of $B_c$ meson decays playing in the heavy f... |
hep-ph/0306264 | Ernest Ma | Ernest Ma (UC Riverside), G. Rajasekaran (IMSC, Chennai) | New "Square Root" Model of Lepton Family Cyclic Symmetry | 10 pages, no figure | Phys.Rev. D68 (2003) 071302 | 10.1103/PhysRevD.68.071302 | UCRHEP-T356 (June 2003) | hep-ph | null | Following the newly formulated notion of form invariance of the neutrino mass
matrix, a complete model of leptons is constructed. It is based on a specific
unitary 3 X 3 matrix U in family space, such that U^2 is the simple discrete
symmetry nu_e to -nu_e, nu_mu to nu_tau. Thus U also generates the cyclic group
Z_4. ... | [
{
"created": "Thu, 26 Jun 2003 14:40:00 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Ma",
"Ernest",
"",
"UC Riverside"
],
[
"Rajasekaran",
"G.",
"",
"IMSC, Chennai"
]
] | Following the newly formulated notion of form invariance of the neutrino mass matrix, a complete model of leptons is constructed. It is based on a specific unitary 3 X 3 matrix U in family space, such that U^2 is the simple discrete symmetry nu_e to -nu_e, nu_mu to nu_tau. Thus U also generates the cyclic group Z_4. Th... |
hep-ph/0302211 | Alexey Gulov | V.I. Demchik, A.V. Gulov, V.V. Skalozub, and A.Yu. Tischenko | Signals of the Abelian Z' boson within the analysis of the LEP2 data | 15 pages | Phys.Atom.Nucl. 67 (2004) 1312-1320; Yad.Fiz. 67 (2004) 1335-1343 | 10.1134/1.1777286 | null | hep-ph | null | The preliminary LEP data on the e^+e^- -> l^+l^- scattering are analysed to
establish a model-independent search for the signals of virtual states of the
Abelian Z' boson. The recently introduced observables give a possibility to
pick up uniquely the Abelian Z' signals in these processes. The mean values of
the obser... | [
{
"created": "Mon, 24 Feb 2003 16:12:09 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Demchik",
"V. I.",
""
],
[
"Gulov",
"A. V.",
""
],
[
"Skalozub",
"V. V.",
""
],
[
"Tischenko",
"A. Yu.",
""
]
] | The preliminary LEP data on the e^+e^- -> l^+l^- scattering are analysed to establish a model-independent search for the signals of virtual states of the Abelian Z' boson. The recently introduced observables give a possibility to pick up uniquely the Abelian Z' signals in these processes. The mean values of the observa... |
hep-ph/9709254 | null | Leszek Motyka, Kacper Zalewski | Mass spectra and leptonic decay widths of heavy quarkonia | Latex file, 19 pages; Zs. f. Ph. C in print | Eur.Phys.J.C4:107-114,1998 | 10.1007/s100520050190 | TPJU - 8/97 | hep-ph | null | A nonrelativistic Hamiltonian with plausible spin dependent corrections is
proposed for the quarkonia below their respective strong decay thresholds. With
only six free parameters this model reproduces the nine known masses of the
bottomonia within about 1 MeV, the six known masses of the charmonia within a
few MeV a... | [
{
"created": "Fri, 5 Sep 1997 11:58:00 GMT",
"version": "v1"
}
] | 2011-09-13 | [
[
"Motyka",
"Leszek",
""
],
[
"Zalewski",
"Kacper",
""
]
] | A nonrelativistic Hamiltonian with plausible spin dependent corrections is proposed for the quarkonia below their respective strong decay thresholds. With only six free parameters this model reproduces the nine known masses of the bottomonia within about 1 MeV, the six known masses of the charmonia within a few MeV and... |
hep-ph/9709273 | null | V. Zanchin, A. Maia Jr., W. Craig and R. Brandenberger (Brown Univ.) | Reheating in the Presence of Noise | 26 pages, 2 figures, uses LATEX | Phys.Rev. D57 (1998) 4651-4662 | 10.1103/PhysRevD.57.4651 | BROWN-HET-1072 | hep-ph astro-ph | null | Explosive particle production due to parametric resonance is a crucial
feature of reheating in inflationary cosmology. Coherent oscillations of the
inflaton field act as a periodically varying mass in the evolution equation for
matter fields which couple to the inflaton. This in turn results in the
parametric resonan... | [
{
"created": "Sun, 7 Sep 1997 16:17:42 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Zanchin",
"V.",
"",
"Brown Univ."
],
[
"Maia",
"A.",
"Jr.",
"Brown Univ."
],
[
"Craig",
"W.",
"",
"Brown Univ."
],
[
"Brandenberger",
"R.",
"",
"Brown Univ."
]
] | Explosive particle production due to parametric resonance is a crucial feature of reheating in inflationary cosmology. Coherent oscillations of the inflaton field act as a periodically varying mass in the evolution equation for matter fields which couple to the inflaton. This in turn results in the parametric resonance... |
1704.07743 | Long Ma | Long Ma, Xin Dong, Huan-Zhong Huang, and Yu-Gang Ma | Study of a background reconstruction method for the measurement of
D-meson azimuthal angular correlations | 13 pages, 7 figures | Nuclear Science and Techniques 32, 61 (2021) | 10.1007/s41365-021-00896-w | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study experimental background reconstruction methods for the measurement
of $D-\overline{D}$ correlation using a PYTHIA simulation. Like-sign and
side-band background methods that are widely used in the experimental
measurements of single $D$-meson production yields were deployed for the
correlation background stu... | [
{
"created": "Mon, 24 Apr 2017 17:06:11 GMT",
"version": "v1"
},
{
"created": "Sat, 26 Jun 2021 09:57:30 GMT",
"version": "v2"
}
] | 2021-06-29 | [
[
"Ma",
"Long",
""
],
[
"Dong",
"Xin",
""
],
[
"Huang",
"Huan-Zhong",
""
],
[
"Ma",
"Yu-Gang",
""
]
] | We study experimental background reconstruction methods for the measurement of $D-\overline{D}$ correlation using a PYTHIA simulation. Like-sign and side-band background methods that are widely used in the experimental measurements of single $D$-meson production yields were deployed for the correlation background study... |
hep-ph/0112069 | Mingzhe Li | Mingzhe Li, Xiulian Wang, Bo Feng and Xinmin Zhang | Quintessence and Spontaneous Leptogenesis | 7pages,1figure | Phys.Rev. D65 (2002) 103511 | 10.1103/PhysRevD.65.103511 | null | hep-ph astro-ph | null | We propose in this paper a scenario of spontaneous baryogenesis in
cosmological models of Quintessence by introducing a derivative coupling of the
Quintessence scalar $Q$ to the baryon current $J_B^{\mu}$ or the current of the
baryon number minus lepton number $J_{B-L}^{\mu}$. We find that with a
dimension-5 operator... | [
{
"created": "Wed, 5 Dec 2001 04:22:44 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Li",
"Mingzhe",
""
],
[
"Wang",
"Xiulian",
""
],
[
"Feng",
"Bo",
""
],
[
"Zhang",
"Xinmin",
""
]
] | We propose in this paper a scenario of spontaneous baryogenesis in cosmological models of Quintessence by introducing a derivative coupling of the Quintessence scalar $Q$ to the baryon current $J_B^{\mu}$ or the current of the baryon number minus lepton number $J_{B-L}^{\mu}$. We find that with a dimension-5 operator $... |
0808.1605 | Sourabh Dube | Sourabh Dube, Julian Glatzer, Sunil Somalwar, Alexander Sood, Scott
Thomas | Addressing the Multi-Channel Inverse Problem at High Energy Colliders: A
Model Independent Approach to the Search for New Physics with Trileptons | 17 pages, 7 figures Changed content cosmetic changes for submission
to JHEP | null | 10.1088/0954-3899/39/8/085004 | NHETC-2008-39 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We describe a method for interpreting trilepton searches at high energy
colliders in a model-independent fashion and apply it to the recent searches at
the Tevatron. The key step is to recognize that the trilepton signature is
comprised of four experimentally very different channels defined by the number
of tau-lepto... | [
{
"created": "Tue, 12 Aug 2008 02:50:52 GMT",
"version": "v1"
},
{
"created": "Sat, 25 Jul 2009 01:07:53 GMT",
"version": "v2"
},
{
"created": "Mon, 24 Aug 2009 21:35:47 GMT",
"version": "v3"
},
{
"created": "Thu, 2 Feb 2012 15:48:29 GMT",
"version": "v4"
},
{
"cr... | 2015-05-13 | [
[
"Dube",
"Sourabh",
""
],
[
"Glatzer",
"Julian",
""
],
[
"Somalwar",
"Sunil",
""
],
[
"Sood",
"Alexander",
""
],
[
"Thomas",
"Scott",
""
]
] | We describe a method for interpreting trilepton searches at high energy colliders in a model-independent fashion and apply it to the recent searches at the Tevatron. The key step is to recognize that the trilepton signature is comprised of four experimentally very different channels defined by the number of tau-leptons... |
2203.07563 | Michael J. Longo | Michael J. Longo | Neutron size from high energy scattering data | Submitted to Physical. Rev. Comments | null | null | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Alvarado, Aranda, and Bonilla propose a sub-GeV U(1)R gauge boson model to
explain the proton charge radius discrepancy. Their model assumes opposite sign
U(1)R charge assignments for up and down quarks in the nucleon. I point out
that might cause a difference between neutron and proton mass radii that
contradicts ex... | [
{
"created": "Tue, 15 Mar 2022 00:08:57 GMT",
"version": "v1"
}
] | 2022-03-16 | [
[
"Longo",
"Michael J.",
""
]
] | Alvarado, Aranda, and Bonilla propose a sub-GeV U(1)R gauge boson model to explain the proton charge radius discrepancy. Their model assumes opposite sign U(1)R charge assignments for up and down quarks in the nucleon. I point out that might cause a difference between neutron and proton mass radii that contradicts exis... |
1609.09402 | Jue Zhang | Stephen F. King, Jue Zhang and Shun Zhou | Renormalisation Group Corrections to the Littlest Seesaw Model and
Maximal Atmospheric Mixing | 28 pages, 4 figures, 5 tables; v2: references added, include the
scenario where both mass scales of right-handed neutrinos are varied, version
to be published in JHEP | JHEP 12 (2016) 023 | 10.1007/JHEP12(2016)023 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Littlest Seesaw (LS) model involves two right-handed neutrinos and a very
constrained Dirac neutrino mass matrix, involving one texture zero and two
independent Dirac masses, leading to a highly predictive scheme in which all
neutrino masses and the entire PMNS matrix is successfully predicted in terms
of just tw... | [
{
"created": "Thu, 29 Sep 2016 16:01:42 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Nov 2016 13:14:41 GMT",
"version": "v2"
}
] | 2016-12-12 | [
[
"King",
"Stephen F.",
""
],
[
"Zhang",
"Jue",
""
],
[
"Zhou",
"Shun",
""
]
] | The Littlest Seesaw (LS) model involves two right-handed neutrinos and a very constrained Dirac neutrino mass matrix, involving one texture zero and two independent Dirac masses, leading to a highly predictive scheme in which all neutrino masses and the entire PMNS matrix is successfully predicted in terms of just two ... |
0809.0404 | Kausik Pal | Kausik Pal, Subhrajyoti Biswas, Abhee K. Dutt-Mazumder | Spin dependent Fermi Liquid parameters and properties of polarized quark
matter | 20 pages, 8 figures, references added, to appear in Physical Review C | Phys.Rev.C79:015205,2009 | 10.1103/PhysRevC.79.015205 | null | hep-ph astro-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the spin dependent Fermi liquid parameters (FLPs), single
particle energies and energy densities of various spin states of polarized
quark matter. The expressions for the incompressibility($K$) and sound velocity
($c_1$) in terms of the spin dependent FLPs and polarization parameter $(\xi)$
are derived. ... | [
{
"created": "Tue, 2 Sep 2008 11:24:32 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Jan 2009 11:50:39 GMT",
"version": "v2"
}
] | 2009-01-28 | [
[
"Pal",
"Kausik",
""
],
[
"Biswas",
"Subhrajyoti",
""
],
[
"Dutt-Mazumder",
"Abhee K.",
""
]
] | We calculate the spin dependent Fermi liquid parameters (FLPs), single particle energies and energy densities of various spin states of polarized quark matter. The expressions for the incompressibility($K$) and sound velocity ($c_1$) in terms of the spin dependent FLPs and polarization parameter $(\xi)$ are derived. Es... |
1010.0692 | Masaki Asano | Masaki Asano, Hyung Do Kim, Ryuichiro Kitano, Yasuhiro Shimizu | Natural Supersymmetry at the LHC | 19 pages, 6 figures, 1 table | JHEP 1012:019,2010 | 10.1007/JHEP12(2010)019 | TU-873 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | If the minimal supersymmetric standard model is the solution to the hierarchy
problem, the scalar top quark (stop) and the Higgsino should weigh around the
electroweak scale such as 200 GeV. A low messenger scale, which results in a
light gravitino, is also suggested to suppress the quantum corrections to the
Higgs m... | [
{
"created": "Mon, 4 Oct 2010 20:13:55 GMT",
"version": "v1"
}
] | 2015-03-17 | [
[
"Asano",
"Masaki",
""
],
[
"Kim",
"Hyung Do",
""
],
[
"Kitano",
"Ryuichiro",
""
],
[
"Shimizu",
"Yasuhiro",
""
]
] | If the minimal supersymmetric standard model is the solution to the hierarchy problem, the scalar top quark (stop) and the Higgsino should weigh around the electroweak scale such as 200 GeV. A low messenger scale, which results in a light gravitino, is also suggested to suppress the quantum corrections to the Higgs mas... |
hep-ph/0001109 | Merab Gogberashvili | Merab Gogberashvili | Brane-Universe in Six Dimensions with Two Times | 6 pages, latex, no figures | Phys.Lett. B484 (2000) 124-128 | 10.1016/S0370-2693(00)00614-6 | null | hep-ph gr-qc hep-th | null | Brane-Universe model embedded in 6-dimensional space-time with the signature
(2+4) is considered. A matter is gravitationally trapped in three space
dimensions, but both time-like directions are open. Choosing of the dimension
and the signature of the model is initiated with the conformal symmetry for
massless partic... | [
{
"created": "Thu, 13 Jan 2000 08:01:16 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Gogberashvili",
"Merab",
""
]
] | Brane-Universe model embedded in 6-dimensional space-time with the signature (2+4) is considered. A matter is gravitationally trapped in three space dimensions, but both time-like directions are open. Choosing of the dimension and the signature of the model is initiated with the conformal symmetry for massless particle... |
hep-ph/9611361 | null | Yu. S. Kalashnikova and A. V. Nefediev (ITEP, Moscow) | Relativistic quantum mechanics in the einbein field formalism | LaTeX 2.09, 16 pages, no figures | Phys.Atom.Nucl. 60 (1997) 1389-1394; Yad.Fiz. 60 (1997) 1529-1535 | null | ITEP-45-96 | hep-ph | null | The system of two relativistic particles with einbein fields is quantized as
a constrained system.A method of the introduction of the Newton--Wigner
collective coordinate is discussed in presence of different gauge fixing
conditions. Some arguments are involved in the favour of Lorents covariant
gauge fixing conditio... | [
{
"created": "Tue, 19 Nov 1996 12:37:21 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kalashnikova",
"Yu. S.",
"",
"ITEP, Moscow"
],
[
"Nefediev",
"A. V.",
"",
"ITEP, Moscow"
]
] | The system of two relativistic particles with einbein fields is quantized as a constrained system.A method of the introduction of the Newton--Wigner collective coordinate is discussed in presence of different gauge fixing conditions. Some arguments are involved in the favour of Lorents covariant gauge fixing conditions... |
2110.02241 | Fabian Rennecke | Swagato Mukherjee, Fabian Rennecke and Vladimir V. Skokov | Analytical structure of the equation of state at finite density:
Resummation versus expansion in a low energy model | 9 pages, 9 figures; matches the published version | null | 10.1103/PhysRevD.105.014026 | null | hep-ph hep-lat hep-th nucl-th | http://creativecommons.org/licenses/by/4.0/ | For theories plagued with a sign problem at finite density, a Taylor
expansion in the chemical potential is frequently used for lattice gauge theory
based computations of the equation of state. Recently, in arXiv:2106.03165, a
new resummation scheme was proposed for such an expansion that resums
contributions of corr... | [
{
"created": "Tue, 5 Oct 2021 18:00:13 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Mar 2022 20:44:57 GMT",
"version": "v2"
}
] | 2022-03-30 | [
[
"Mukherjee",
"Swagato",
""
],
[
"Rennecke",
"Fabian",
""
],
[
"Skokov",
"Vladimir V.",
""
]
] | For theories plagued with a sign problem at finite density, a Taylor expansion in the chemical potential is frequently used for lattice gauge theory based computations of the equation of state. Recently, in arXiv:2106.03165, a new resummation scheme was proposed for such an expansion that resums contributions of correl... |
hep-ph/0011183 | Jon Rosner | Jonathan L. Rosner | Factorization vs. Flavor SU(3) in Charmless B Decays | 18 pages, LaTeX, 1 figure, to be published in Proceedings of Beauty
2000, Kibbutz Maagan, Israel, September 13-18, 2000, edited by S. Erhan, Y.
Rozen, and P. E. Schlein, Nucl. Inst. Meth. A, 2001 | Nucl.Instrum.Meth.A462:44-51,2001 | 10.1016/S0168-9002(01)00022-5 | EFI 2000-41 | hep-ph | null | Two types of predictions for charmless B decays are compared. One involves
estimates based on factorization and models for form factors, while the other
involves the use of flavor SU(3), sometimes with assumptions about the
smallness of certain amplitudes. After a comparison of some factorization
predictions with rec... | [
{
"created": "Tue, 14 Nov 2000 23:11:39 GMT",
"version": "v1"
}
] | 2011-03-23 | [
[
"Rosner",
"Jonathan L.",
""
]
] | Two types of predictions for charmless B decays are compared. One involves estimates based on factorization and models for form factors, while the other involves the use of flavor SU(3), sometimes with assumptions about the smallness of certain amplitudes. After a comparison of some factorization predictions with recen... |
hep-ph/0212161 | N. Nikolaev | I.P. Ivanov (Inst. Math., Novosibirsk), N.N. Nikolaev (IKP, Juelich
and Landau Inst., Chernogolovka), W. Sch\"afer (IKP, Juelich), B.G. Zakharov
(Landau Inst., Chernogolovka), V.R. Zoller (ITEP, Moscow) | Lectures on Diffraction and Saturation of Nuclear Partons in DIS off
Heavy Nuclei | The notes of lectures presented by N.N.N. at the XXXVI St.Petersburg
Nuclear Physics Institute Winter School on Nuclear and Particle Physics &
VIII St.Petersburg School on Theoretical Physics, St.Petersburg, Repino,
February 25 - March 3, 2002, 36 pages, 10 figures. Several typos corrected | null | null | null | hep-ph hep-ex nucl-ex nucl-th | null | The Lorentz contraction of ultrarelativistic nuclei entails a spatial overlap
and fusion (recombination, saturation) of partons belonging to different
nucleons at the same impact parameter. In these lectures we present a
consistent description of the fusion of partons in terms of nuclear attenuation
of color dipole s... | [
{
"created": "Wed, 11 Dec 2002 17:44:08 GMT",
"version": "v1"
},
{
"created": "Thu, 10 Apr 2003 16:07:50 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Ivanov",
"I. P.",
"",
"Inst. Math., Novosibirsk"
],
[
"Nikolaev",
"N. N.",
"",
"IKP, Juelich\n and Landau Inst., Chernogolovka"
],
[
"Schäfer",
"W.",
"",
"IKP, Juelich"
],
[
"Zakharov",
"B. G.",
"",
"Landau Inst., Chernogolovka"
],
... | The Lorentz contraction of ultrarelativistic nuclei entails a spatial overlap and fusion (recombination, saturation) of partons belonging to different nucleons at the same impact parameter. In these lectures we present a consistent description of the fusion of partons in terms of nuclear attenuation of color dipole sta... |
hep-ph/9802274 | Vladimir Shevchenko | V.I.Shevchenko (ITEP) | QCD Field Strength Correlator at the One-Loop Order | LaTeX, 13 pages, 2 eps figures; comments added | null | null | ITEP-PH-01-98 | hep-ph | null | The leading perturbative contributions into the two-point gauge-invariant
correlator $Tr<gF(x)U(x,0)U(0,y)F(y)U(y,0)U(0,x)>$ are calculated at the
one-loop order. It is shown, that nonlocal condensate is nonzero at this order.
The relation with the renormalization properties of Wilson loops is discussed.
| [
{
"created": "Mon, 9 Feb 1998 11:46:24 GMT",
"version": "v1"
},
{
"created": "Thu, 12 Feb 1998 16:21:01 GMT",
"version": "v2"
},
{
"created": "Wed, 18 Mar 1998 13:32:37 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Shevchenko",
"V. I.",
"",
"ITEP"
]
] | The leading perturbative contributions into the two-point gauge-invariant correlator $Tr<gF(x)U(x,0)U(0,y)F(y)U(y,0)U(0,x)>$ are calculated at the one-loop order. It is shown, that nonlocal condensate is nonzero at this order. The relation with the renormalization properties of Wilson loops is discussed. |
hep-ph/9607285 | Cheuk-Yin Wong | Cheuk-Yin Wong (Oak Ridge National Laboratory) | Suppression of J/psi and Psi' Production in High-Energy Pb on Pb
Collisions | 4 pages (REVTeX), includes 3 eps figures; revised to update results | Phys.Rev.C55:2621-2624,1997 | 10.1103/PhysRevC.55.2621 | ORNL-CTP-96-07 | hep-ph nucl-th | null | The anomalous J/psi suppression in Pb-Pb collisions at 158A GeV observed
recently by NA50 can be explained as due to the transition to a new phase of
strong J/psi absorption, which sets in when the local energy density exceeds
about 3.4 GeV/fm**3.
| [
{
"created": "Wed, 10 Jul 1996 21:25:01 GMT",
"version": "v1"
},
{
"created": "Fri, 13 Dec 1996 16:44:44 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Wong",
"Cheuk-Yin",
"",
"Oak Ridge National Laboratory"
]
] | The anomalous J/psi suppression in Pb-Pb collisions at 158A GeV observed recently by NA50 can be explained as due to the transition to a new phase of strong J/psi absorption, which sets in when the local energy density exceeds about 3.4 GeV/fm**3. |
hep-ph/9702295 | Rizos Ioannis | J. Rizos(SISSA & Ioannina) and K. Tamvakis (Ioannina) | String scale unification in an SU(6)xSU(2) GUT | 15 pages, Latex2e, three figures included, comments added, published
version | Phys.Lett. B414 (1997) 277-287 | 10.1016/S0370-2693(97)01181-7 | SISSA/107/96/EP | hep-ph | null | We construct and analyze an $SU(6)\times SU(2)$ GUT. The model is k=1 string
embedable in the sense that we employ only chiral representations allowed at
the k=1 level of the associated Ka\v{c}-Moody Algebra. Both cases $SU(6)\times
SU(2)_{L}$ and $SU(6)\times SU(2)_{R}$ are realized. The model is characterized
by th... | [
{
"created": "Mon, 10 Feb 1997 12:02:51 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Feb 1997 15:43:25 GMT",
"version": "v2"
},
{
"created": "Mon, 26 Jan 1998 08:34:09 GMT",
"version": "v3"
}
] | 2009-10-30 | [
[
"Rizos",
"J.",
"",
"SISSA & Ioannina"
],
[
"Tamvakis",
"K.",
"",
"Ioannina"
]
] | We construct and analyze an $SU(6)\times SU(2)$ GUT. The model is k=1 string embedable in the sense that we employ only chiral representations allowed at the k=1 level of the associated Ka\v{c}-Moody Algebra. Both cases $SU(6)\times SU(2)_{L}$ and $SU(6)\times SU(2)_{R}$ are realized. The model is characterized by the ... |
hep-ph/9908413 | Sandy Donnachie | A. Donnachie, H.G. Dosch, M. Rueter | Gamma*Gamma* Reactions at High Energies | 21 pages, 5 figures | Eur.Phys.J.C13:141-150,2000 | 10.1007/s100520000268 | null | hep-ph | null | The total hadronic gamma*gamma* cross sections at high energy are calculated
as a function of energy and photon virtuality in a model combining Regge
exchange, the quark box diagram (a fixed pole in Regge language) and soft and
hard pomeron exchanges evaluated in the context of dipole-dipole scattering.
Good agreemen... | [
{
"created": "Thu, 19 Aug 1999 13:45:40 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Donnachie",
"A.",
""
],
[
"Dosch",
"H. G.",
""
],
[
"Rueter",
"M.",
""
]
] | The total hadronic gamma*gamma* cross sections at high energy are calculated as a function of energy and photon virtuality in a model combining Regge exchange, the quark box diagram (a fixed pole in Regge language) and soft and hard pomeron exchanges evaluated in the context of dipole-dipole scattering. Good agreement ... |
hep-ph/0102224 | Andrei Belitsky | A.V. Belitsky, D. M\"uller | Resummation of target mass corrections in two-photon processes:
twist-two sector | 11 pages, LaTeX, no figures | Phys.Lett. B507 (2001) 173-182 | 10.1016/S0370-2693(01)00425-7 | null | hep-ph | null | We develop a formalism for the resummation of target mass corrections in
off-forward two-photon amplitudes given by a chronological product of
electromagnetic currents, arising in e.g. deeply virtual Compton scattering.
The method is based on a relation of composite operators with a definite twist
to harmonic tensors... | [
{
"created": "Sun, 18 Feb 2001 19:39:05 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Feb 2001 13:51:11 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Belitsky",
"A. V.",
""
],
[
"Müller",
"D.",
""
]
] | We develop a formalism for the resummation of target mass corrections in off-forward two-photon amplitudes given by a chronological product of electromagnetic currents, arising in e.g. deeply virtual Compton scattering. The method is based on a relation of composite operators with a definite twist to harmonic tensors, ... |
2012.00474 | Fabian Krinner | Fabian Michael Krinner and Stephan Paul | New developments in model-independent Partial-Wave Analysis | Proceedings for the 23rd High-Energy Physics International Conference
in Quantum ChromoDynamics (QCD 2020), virtually held from October 27th to
October 30th in Montpellier, France; five pages, four figures | Nucl.Part.Phys.Proc. 312-317 (2021) 48-52 | 10.1016/j.nuclphysbps.2021.05.013 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Partial-wave analyses (PWA) are an essential tool for studying resonance
structures in decays with hadronic multi-body final states. For several years,
more model-independent approaches to such analyses have been used for various
decay final states. However, up to now, these methods have mostly been applied
to sub-se... | [
{
"created": "Tue, 1 Dec 2020 13:26:33 GMT",
"version": "v1"
}
] | 2021-09-07 | [
[
"Krinner",
"Fabian Michael",
""
],
[
"Paul",
"Stephan",
""
]
] | Partial-wave analyses (PWA) are an essential tool for studying resonance structures in decays with hadronic multi-body final states. For several years, more model-independent approaches to such analyses have been used for various decay final states. However, up to now, these methods have mostly been applied to sub-sets... |
2007.13748 | Yuber F. Perez-Gonzalez | Andr\'e de Gouv\^ea, Ivan Martinez-Soler, Yuber F. Perez-Gonzalez,
Manibrata Sen | Fundamental physics with the diffuse supernova background neutrinos | 21 pages, 11 figures, new channel to measure H0 with neutrinos;
references included, small corrections, matches version published in PRD | Phys. Rev. D 102, 123012 (2020) | 10.1103/PhysRevD.102.123012 | NUHEP-TH/20-08, FERMILAB-PUB-20-353-T | hep-ph astro-ph.CO astro-ph.SR hep-ex | http://creativecommons.org/licenses/by/4.0/ | The Universe is awash with tens-of-MeV neutrinos of all species coming from
all past core-collapse supernovae. These have never been observed, but this
state of affairs will change in the near future. In the less than ten years,
the Super-Kamiokande experiment, loaded with gadolinium, is expected to collect
dozens of... | [
{
"created": "Mon, 27 Jul 2020 18:00:00 GMT",
"version": "v1"
},
{
"created": "Mon, 7 Dec 2020 18:31:36 GMT",
"version": "v2"
}
] | 2021-01-04 | [
[
"de Gouvêa",
"André",
""
],
[
"Martinez-Soler",
"Ivan",
""
],
[
"Perez-Gonzalez",
"Yuber F.",
""
],
[
"Sen",
"Manibrata",
""
]
] | The Universe is awash with tens-of-MeV neutrinos of all species coming from all past core-collapse supernovae. These have never been observed, but this state of affairs will change in the near future. In the less than ten years, the Super-Kamiokande experiment, loaded with gadolinium, is expected to collect dozens of e... |
hep-ph/0009131 | null | M. Shifman | Quark-Hadron Duality | Based on the talks delivered at the VIII-th International Symposium
on Heavy Flavor Physics, Southampton, UK, 25-29 July 1999, and the
International Workshop "Gribov-70", Orsay, France, 27-29 March 2000. To be
published in the Boris Ioffe Festschrift "At the Frontier of Particle
Physics/Handbook of QCD", Ed. M.... | null | 10.1142/9789812810458_0032 | TPI-MINN-00/44, UMN-TH-1920/00 | hep-ph | null | I review the notion of the quark-hadron duality from the modern perspective.
Both, the theoretical foundation and practical applications are discussed. The
proper theoretical framework in which the problem can be formulated and treated
is Wilson's operator product expansion (OPE). Two models developed for the
descrip... | [
{
"created": "Mon, 11 Sep 2000 17:23:58 GMT",
"version": "v1"
}
] | 2016-11-23 | [
[
"Shifman",
"M.",
""
]
] | I review the notion of the quark-hadron duality from the modern perspective. Both, the theoretical foundation and practical applications are discussed. The proper theoretical framework in which the problem can be formulated and treated is Wilson's operator product expansion (OPE). Two models developed for the descripti... |
hep-ph/9807325 | Yasunori Nomura | Yasunori Nomura and T. Yanagida | Bi-Maximal Neutrino Mixing in SO(10)_{GUT} | 9 pages, Latex | Phys.Rev.D59:017303,1999 | 10.1103/PhysRevD.59.017303 | UT-823 | hep-ph | null | We find a grand unified SO(10) model which accommodates the bi-maximal
neutrino mixing for vacuum-oscillation solutions to the atmospheric and the
solar neutrino problems. This model maintains the original SO(10) mass relation
between neutrino and up-type quark masses, $m_{\nu_2} / m_{\nu_3} \sim
(m_{c}/m_{t})^2$.
| [
{
"created": "Fri, 10 Jul 1998 08:24:31 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Oct 1998 09:28:49 GMT",
"version": "v2"
}
] | 2009-09-29 | [
[
"Nomura",
"Yasunori",
""
],
[
"Yanagida",
"T.",
""
]
] | We find a grand unified SO(10) model which accommodates the bi-maximal neutrino mixing for vacuum-oscillation solutions to the atmospheric and the solar neutrino problems. This model maintains the original SO(10) mass relation between neutrino and up-type quark masses, $m_{\nu_2} / m_{\nu_3} \sim (m_{c}/m_{t})^2$. |
1208.2021 | Victo Dos Santos Filho | Clayton S. Mello, Jos\'e P. Cruz Filho, Edson O. da Silva, J. P. B. C.
de Melo, Bruno El-Bennich and Victo S. Filho | Electromagnetic Structure of the Pion | Paper with 4 pages, 1 figure, presented in XII HADRON PHYSICS
Conference - to appear in AIP Conference Proceedings | null | 10.1063/1.4795990 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work, we analyze the electromagnetic structure of the pion. We
calculate its electromagnetic radius and electromagnetic form factor in low and
intermediate momentum range. Such observables are determined by means of a
theoretical model that takes into account the constituent quark and antiquark
of the pion wi... | [
{
"created": "Thu, 9 Aug 2012 19:45:53 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Feb 2013 15:33:07 GMT",
"version": "v2"
}
] | 2015-06-11 | [
[
"Mello",
"Clayton S.",
""
],
[
"Filho",
"José P. Cruz",
""
],
[
"da Silva",
"Edson O.",
""
],
[
"de Melo",
"J. P. B. C.",
""
],
[
"El-Bennich",
"Bruno",
""
],
[
"Filho",
"Victo S.",
""
]
] | In this work, we analyze the electromagnetic structure of the pion. We calculate its electromagnetic radius and electromagnetic form factor in low and intermediate momentum range. Such observables are determined by means of a theoretical model that takes into account the constituent quark and antiquark of the pion with... |
2110.14776 | Tobias Huber | Jing Gao, Tobias Huber, Yao Ji, Yu-Ming Wang | The pion-photon transition form factor at two loops in QCD | 12 pages, 5 figures. Contribution to the 15th International Symposium
on Radiative Corrections (RADCOR) and the XIX Workshop on Radiative
Corrections for the LHC and Future Colliders (LoopFest) | null | null | SI-HEP-2021-28, P3H-21-083, TUM-HEP-1369/21 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We report on the fully analytic calculation of the leading-power contribution
to the photon-pion transition form factor $\gamma \, \gamma^{\ast} \to \pi^0$
at two loops in QCD. The applied techniques are based on hard-collinear
factorization, together with modern multi-loop methods. We focus both, on the
technical de... | [
{
"created": "Wed, 27 Oct 2021 21:13:09 GMT",
"version": "v1"
}
] | 2021-10-29 | [
[
"Gao",
"Jing",
""
],
[
"Huber",
"Tobias",
""
],
[
"Ji",
"Yao",
""
],
[
"Wang",
"Yu-Ming",
""
]
] | We report on the fully analytic calculation of the leading-power contribution to the photon-pion transition form factor $\gamma \, \gamma^{\ast} \to \pi^0$ at two loops in QCD. The applied techniques are based on hard-collinear factorization, together with modern multi-loop methods. We focus both, on the technical deta... |
hep-ph/0105197 | Xiangdong Ji | Jiunn-Wei Chen and Xiangdong Ji | Is the Sullivan Process Compatible with QCD Chiral Dynamics? | 2 pages, two figures included | Phys.Lett.B523:107-110,2001 | 10.1016/S0370-2693(01)01337-5 | null | hep-ph hep-lat nucl-th | null | We calculate the leading non-analytic quark-mass dependence in the moments of
isovector quark distributions using heavy-baryon chiral perturbation theory.
The results differ from those obtained from the Sullivan process in which hard
scattering occurs through the virtual pion cloud of the nucleon. Our results
provide... | [
{
"created": "Sat, 19 May 2001 04:12:44 GMT",
"version": "v1"
},
{
"created": "Fri, 6 Jul 2001 20:06:22 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Chen",
"Jiunn-Wei",
""
],
[
"Ji",
"Xiangdong",
""
]
] | We calculate the leading non-analytic quark-mass dependence in the moments of isovector quark distributions using heavy-baryon chiral perturbation theory. The results differ from those obtained from the Sullivan process in which hard scattering occurs through the virtual pion cloud of the nucleon. Our results provide u... |
1506.04413 | Jacopo Ferretti | M. De Sanctis, J. Ferretti, E. Santopinto and A. Vassallo | Relativistic quark-diquark model of baryons. Non strange spectrum and
nucleon electromagnetic form factors | Talks presented at the conference "Beauty in Physics: Theory and
Experiment : Meeting in honor of Francesco Iachello on the occasion of his
70th birthday", 14-18 May 2012. Cocoyoc, Mexico | AIP Conf.Proc. 1488 (2012) 280-289 | 10.1063/1.4759409 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We briefly describe our relativistic quark-diquark model, developed within
the framework of point form dynamics, which is the relativistic extension of
the interacting quark-diquark model. In order to do that we have to show the
main properties and quantum numbers of the effective degree of freedom of
constituent diq... | [
{
"created": "Sun, 14 Jun 2015 16:18:41 GMT",
"version": "v1"
}
] | 2015-10-05 | [
[
"De Sanctis",
"M.",
""
],
[
"Ferretti",
"J.",
""
],
[
"Santopinto",
"E.",
""
],
[
"Vassallo",
"A.",
""
]
] | We briefly describe our relativistic quark-diquark model, developed within the framework of point form dynamics, which is the relativistic extension of the interacting quark-diquark model. In order to do that we have to show the main properties and quantum numbers of the effective degree of freedom of constituent diqua... |
hep-ph/0702119 | Fulvio Piccinini | Emidio Gabrielli, Fabio Maltoni, Barbara Mele, Mauro Moretti, Fulvio
Piccinini, Roberto Pittau | Higgs Boson Production in Association with a Photon in Vector Boson
Fusion at the LHC | 30 pages, 8 figures, 8 tables; minor corrections to the text; version
appeared in Nuclear Physics B | Nucl.Phys.B781:64-84,2007 | 10.1016/j.nuclphysb.2007.05.010 | CP3-07-03, FNT/T-2007/01, HIP-2006-01/TH | hep-ph | null | Higgs boson production in association with two forward jets and a central
photon at the CERN Large Hadron Collider is analyzed, for the Higgs boson
decaying into a b bbar pair in the m_H <= 140 GeV mass region. We study both
irreducible and main reducible backgrounds at parton level. Compared to the
Higgs production ... | [
{
"created": "Mon, 12 Feb 2007 16:32:41 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Aug 2007 09:51:22 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Gabrielli",
"Emidio",
""
],
[
"Maltoni",
"Fabio",
""
],
[
"Mele",
"Barbara",
""
],
[
"Moretti",
"Mauro",
""
],
[
"Piccinini",
"Fulvio",
""
],
[
"Pittau",
"Roberto",
""
]
] | Higgs boson production in association with two forward jets and a central photon at the CERN Large Hadron Collider is analyzed, for the Higgs boson decaying into a b bbar pair in the m_H <= 140 GeV mass region. We study both irreducible and main reducible backgrounds at parton level. Compared to the Higgs production vi... |
hep-ph/0505054 | Mats Lindroos | J.Bernabeu, J.Burguet-Castell, C.Espinoza, M.Lindroos | Monochromatic neutrino beams | null | JHEP0512:014,2005 | 10.1088/1126-6708/2005/12/014 | null | hep-ph | null | In the last few years spectacular results have been achieved with the
demonstration of non vanishing neutrino masses and flavour mixing. The ultimate
goal is the understanding of the origin of these properties from new physics.
In this road, the last unknown mixing [Ue3] must be determined. If it is proved
to be non-... | [
{
"created": "Sat, 7 May 2005 17:13:16 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Bernabeu",
"J.",
""
],
[
"Burguet-Castell",
"J.",
""
],
[
"Espinoza",
"C.",
""
],
[
"Lindroos",
"M.",
""
]
] | In the last few years spectacular results have been achieved with the demonstration of non vanishing neutrino masses and flavour mixing. The ultimate goal is the understanding of the origin of these properties from new physics. In this road, the last unknown mixing [Ue3] must be determined. If it is proved to be non-ze... |
2312.05853 | Saraswati Pandey | Saraswati Pandey, B. K. Singh | Predicting Quadrupole deformation via anisotropic flow and transverse
momentum spectra in isotopic $\mathbf{\prescript{128-135}{54}{\mathrm{Xe}}}$
collisions at LHC | 10 pages, 10 figures | null | null | null | hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | In the hydrodynamical description of heavy-ion collisions, the elliptic flow
$\mathrm{v_{2}}$ and triangular flow $\mathrm{v_{3}}$ are sensitive to the
quadrupole deformation $\mathrm{\beta_{2}}$ of the colliding nuclei. We produce
$\mathrm{v_{2}}$ and $\mathrm{v_{3}}$ ratios qualitatively and quantitatively
in most-... | [
{
"created": "Sun, 10 Dec 2023 11:11:22 GMT",
"version": "v1"
}
] | 2023-12-12 | [
[
"Pandey",
"Saraswati",
""
],
[
"Singh",
"B. K.",
""
]
] | In the hydrodynamical description of heavy-ion collisions, the elliptic flow $\mathrm{v_{2}}$ and triangular flow $\mathrm{v_{3}}$ are sensitive to the quadrupole deformation $\mathrm{\beta_{2}}$ of the colliding nuclei. We produce $\mathrm{v_{2}}$ and $\mathrm{v_{3}}$ ratios qualitatively and quantitatively in most-ce... |
1404.0996 | Nilanjana Kumar | Nilanjana Kumar and Stephen P. Martin | LHC search for di-Higgs decays of stoponium and other scalars in events
with two photons and two bottom jets | 15 pages v3:Modified cuts on photon pT's and fake photon backgrounds
added | Phys. Rev. D 90, 055007 (2014) | 10.1103/PhysRevD.90.055007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the prospects for LHC discovery of a narrow resonance that decays to
two Higgs bosons, using the final state of two photons and two bottom jets. Our
work is motivated in part by a scenario in which two-body flavor-preserving
decays of the top squark are kinematically forbidden. Stoponium, a hadronic
bound st... | [
{
"created": "Thu, 3 Apr 2014 16:15:38 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Apr 2014 18:12:11 GMT",
"version": "v2"
},
{
"created": "Mon, 18 Aug 2014 18:19:29 GMT",
"version": "v3"
}
] | 2014-09-17 | [
[
"Kumar",
"Nilanjana",
""
],
[
"Martin",
"Stephen P.",
""
]
] | We study the prospects for LHC discovery of a narrow resonance that decays to two Higgs bosons, using the final state of two photons and two bottom jets. Our work is motivated in part by a scenario in which two-body flavor-preserving decays of the top squark are kinematically forbidden. Stoponium, a hadronic bound stat... |
hep-ph/9907361 | Bob Holdom | B. Holdom | Nonstandard order parameters and the origin of CP violation | 12 pages, no figures | Phys.Rev.D61:011702,2000 | 10.1103/PhysRevD.61.011702 | UTPT-99-12 | hep-ph | null | The consideration of chirality-preserving 2-fermion order parameters may shed
new light on the strong CP problem and the breakdown of flavor symmetries. We
describe two situations, one having the standard KM picture for weak CP
violation and another having new sources of weak CP violation.
| [
{
"created": "Wed, 14 Jul 1999 18:49:30 GMT",
"version": "v1"
}
] | 2009-12-30 | [
[
"Holdom",
"B.",
""
]
] | The consideration of chirality-preserving 2-fermion order parameters may shed new light on the strong CP problem and the breakdown of flavor symmetries. We describe two situations, one having the standard KM picture for weak CP violation and another having new sources of weak CP violation. |
0804.4401 | Giuseppe Bozzi | Sara Bolognesi, Giuseppe Bozzi, Andrea Di Simone | Higgs at LHC | 10 pages, 9 figures, talk given at: V Workshop Italiano sulla fisica
p-p ad LHC, Perugia, Italy, 30 Jan. - 2 Feb. 2008 | Nuovo Cim.B123:499-508,2008 | 10.1393/ncb/i2008-10537-3 | KA-TP-11-2008 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | An overview of recent theoretical results on the Higgs boson and its
discovery strategy at ATLAS and CMS will be presented, focusing on the main
Higgs analysis effective with low integrated luminosity (less than 30 fb^-1).
| [
{
"created": "Mon, 28 Apr 2008 13:21:11 GMT",
"version": "v1"
}
] | 2010-11-11 | [
[
"Bolognesi",
"Sara",
""
],
[
"Bozzi",
"Giuseppe",
""
],
[
"Di Simone",
"Andrea",
""
]
] | An overview of recent theoretical results on the Higgs boson and its discovery strategy at ATLAS and CMS will be presented, focusing on the main Higgs analysis effective with low integrated luminosity (less than 30 fb^-1). |
1608.04911 | Fredrik Bj\"orkeroth | Fredrik Bj\"orkeroth, Stephen F. King, Kai Schmitz, Tsutomu T.
Yanagida | Leptogenesis after Chaotic Sneutrino Inflation and the Supersymmetry
Breaking Scale | v2: 25 pages, 4 figures; version published in NPB, minor corrections.
v1: 24 pages, 4 figures | null | 10.1016/j.nuclphysb.2017.01.017 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss resonant leptogenesis arising from the decays of two
nearly-degenerate right-handed neutrinos, identified as the inflaton and
stabiliser superfields in a model of chaotic sneutrino inflation. We compare an
analytical estimate of the baryon asymmetry $ \eta_B $ in the Boltzmann
approximation to a numerical ... | [
{
"created": "Wed, 17 Aug 2016 09:52:15 GMT",
"version": "v1"
},
{
"created": "Mon, 27 Feb 2017 18:34:57 GMT",
"version": "v2"
}
] | 2017-02-28 | [
[
"Björkeroth",
"Fredrik",
""
],
[
"King",
"Stephen F.",
""
],
[
"Schmitz",
"Kai",
""
],
[
"Yanagida",
"Tsutomu T.",
""
]
] | We discuss resonant leptogenesis arising from the decays of two nearly-degenerate right-handed neutrinos, identified as the inflaton and stabiliser superfields in a model of chaotic sneutrino inflation. We compare an analytical estimate of the baryon asymmetry $ \eta_B $ in the Boltzmann approximation to a numerical so... |
hep-ph/9711507 | Ingo Schienbein | I. Schienbein | Leading log radiative corrections to polarized heavy flavour
leptoproduction | 22 pages, 5 figures, 1 fig. removed, 1 formula added, several
additions and changes in the text and the abstract | Phys.Rev. D59 (1999) 013001 | 10.1103/PhysRevD.59.013001 | DOTH-97/26 | hep-ph | null | O(\alpha) QED radiative corrections to polarized neutral current
leptoproduction of heavy quark flavours are calculated in the leading log
approximation for HERMES, COMPASS, and HERA kinematics. Besides the inclusive
case, we derive general $z_h$-differential formulae for the polarized boson
gluon fusion process and ... | [
{
"created": "Fri, 28 Nov 1997 10:52:05 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Apr 1998 09:03:59 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Schienbein",
"I.",
""
]
] | O(\alpha) QED radiative corrections to polarized neutral current leptoproduction of heavy quark flavours are calculated in the leading log approximation for HERMES, COMPASS, and HERA kinematics. Besides the inclusive case, we derive general $z_h$-differential formulae for the polarized boson gluon fusion process and us... |
hep-ph/0702135 | Adrian Melissinos | Adrian C. Melissinos | Comment on "Experimental Observation of Optical Rotation Generated in
Vacuum by a Magnetic Field" | 3 pages, 2 figures | null | null | null | hep-ph | null | We point out that recent claims of the detection of a light
pseudoscalar/scalar (axion-like) particle [1,2] are excluded at the 95% level
by an earlier experiment [3].
| [
{
"created": "Tue, 13 Feb 2007 15:46:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Melissinos",
"Adrian C.",
""
]
] | We point out that recent claims of the detection of a light pseudoscalar/scalar (axion-like) particle [1,2] are excluded at the 95% level by an earlier experiment [3]. |
0812.2855 | Bernd-Jochen Schaefer | Bernd-Jochen Schaefer and Mathias Wagner | On the QCD phase structure from effective models | 7 pages, 4 figures, talk given by BJS at the 30th International
School of Nuclear Physics, "Heavy Ion Collisions from the Coulomb Barrier to
the Quark Gluon Plasma", Erice, Italy, 16-24 September 2008. To appear in the
proceedings | Progress in Particle and Nuclear Physics 62, 381 (2009) | 10.1016/j.ppnp.2008.12.009 | null | hep-ph hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Some recent theoretical developments of the QCD phase diagram are summarized.
Chiral symmetry restoration and the confinement/deconfinement transition at
nonzero temperature and quark densities are analyzed in the framework of an
effective linear sigma model with three light quark flavors. The sensitivity of
the chir... | [
{
"created": "Mon, 15 Dec 2008 16:30:34 GMT",
"version": "v1"
}
] | 2012-11-08 | [
[
"Schaefer",
"Bernd-Jochen",
""
],
[
"Wagner",
"Mathias",
""
]
] | Some recent theoretical developments of the QCD phase diagram are summarized. Chiral symmetry restoration and the confinement/deconfinement transition at nonzero temperature and quark densities are analyzed in the framework of an effective linear sigma model with three light quark flavors. The sensitivity of the chiral... |
hep-ph/9809452 | Stephane Bronoff groupe | S. Bronoff, R. Buffa, C.P. Korthals Altes | Phase diagram of 3D SU(3) gauge-adjoint Higgs system | Contributing paper to the proceedings of the 5th International
Workshop on Thermal Field Theories and their Applications, Regensburg,
Germany, August 10-14, 1998. Corrected typos, changes in wording | null | null | null | hep-ph | null | Thermally reduced QCD leads to three dimensional SU(3) gaugefields coupled to
an adjoint scalar field $A_0$. We compute the effective potential in the
one-loop approximation and evaluate the VEV's of $TrA_0^2$ and $TrA_0^3$. In
the Higgs phase not only the former, but also the latter has a VEV. This
happens where the... | [
{
"created": "Fri, 18 Sep 1998 16:28:58 GMT",
"version": "v1"
},
{
"created": "Thu, 8 Oct 1998 11:51:15 GMT",
"version": "v2"
},
{
"created": "Wed, 14 Oct 1998 09:07:47 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Bronoff",
"S.",
""
],
[
"Buffa",
"R.",
""
],
[
"Altes",
"C. P. Korthals",
""
]
] | Thermally reduced QCD leads to three dimensional SU(3) gaugefields coupled to an adjoint scalar field $A_0$. We compute the effective potential in the one-loop approximation and evaluate the VEV's of $TrA_0^2$ and $TrA_0^3$. In the Higgs phase not only the former, but also the latter has a VEV. This happens where the S... |
2110.09186 | Marco Danilo Claudio Torri | Marco Danilo Claudio Torri | Neutrino Oscillations and Lorentz Invariance Violation | null | Universe 6 (2020) 3, 37 | 10.3390/universe6030037 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This work explores the possibility of resorting to neutrino phenomenology to
detect evidence of new physics, caused by the residual signals of the supposed
quantum structure of spacetime. In particular, this work investigates the
effects on neutrino oscillations and mass hierarchy detection, predicted by
models that ... | [
{
"created": "Mon, 18 Oct 2021 11:03:35 GMT",
"version": "v1"
}
] | 2021-10-19 | [
[
"Torri",
"Marco Danilo Claudio",
""
]
] | This work explores the possibility of resorting to neutrino phenomenology to detect evidence of new physics, caused by the residual signals of the supposed quantum structure of spacetime. In particular, this work investigates the effects on neutrino oscillations and mass hierarchy detection, predicted by models that vi... |
1101.3623 | Hideko Nagahiro | H. Nagahiro, K. Nawa, S. Ozaki, D. Jido and A. Hosaka | Composite and elementary natures of a1(1260) meson | 13 pages, 4 figures | Phys.Rev.D83:111504,2011 | 10.1103/PhysRevD.83.111504 | YITP-11-13 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We develop a practical method to analyze the mixing structure of hadrons
consisting of two components of quark-composite and hadronic composite. As an
example we investigate the properties of the axial vector meson a1(1260) and
discuss its mixing properties quantitatively. We also make reference to the
large Nc proce... | [
{
"created": "Wed, 19 Jan 2011 06:41:54 GMT",
"version": "v1"
},
{
"created": "Thu, 12 May 2011 08:38:47 GMT",
"version": "v2"
}
] | 2015-03-17 | [
[
"Nagahiro",
"H.",
""
],
[
"Nawa",
"K.",
""
],
[
"Ozaki",
"S.",
""
],
[
"Jido",
"D.",
""
],
[
"Hosaka",
"A.",
""
]
] | We develop a practical method to analyze the mixing structure of hadrons consisting of two components of quark-composite and hadronic composite. As an example we investigate the properties of the axial vector meson a1(1260) and discuss its mixing properties quantitatively. We also make reference to the large Nc procedu... |
hep-ph/9702284 | Lubov Vassilevskaya | N.V. Mikheev and L.A. Vassilevskaya | Electromagnetic Catalysis of the Radiative Decay of the Axion | Minor revision, references added, to be published in Phys.Lett.B | Phys.Lett. B410 (1997) 207-210 | 10.1016/S0370-2693(97)00877-0 | YARU-HE-97/01 | hep-ph | null | The radiative decay of the axion $a \to \gamma \gamma$ is investigated in an
external electromagnetic field in DFSZ model in which axion couples to both
quarks and leptons at tree level. The decay probability is strongly catalyzed
by the external field, namely, the field removes the main suppression caused by
the sma... | [
{
"created": "Fri, 7 Feb 1997 16:16:48 GMT",
"version": "v1"
},
{
"created": "Fri, 1 Aug 1997 12:11:26 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Mikheev",
"N. V.",
""
],
[
"Vassilevskaya",
"L. A.",
""
]
] | The radiative decay of the axion $a \to \gamma \gamma$ is investigated in an external electromagnetic field in DFSZ model in which axion couples to both quarks and leptons at tree level. The decay probability is strongly catalyzed by the external field, namely, the field removes the main suppression caused by the small... |
0901.4749 | Rong Li | Chao-Hsi Chang, Rong Li and Jian-Xiong Wang | J/\psi polarization in photo-production up-to the next-to-leading order
of QCD | 5 pages, 3 figures. Discussion on the theoretical uncertainties from
the choice of renormalization scale was added | Phys.Rev.D80:034020,2009 | 10.1103/PhysRevD.80.034020 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the J/psi polarization in photoproduction at the Hadron
Electron Ring Accelerator(HERA) up to the next-to-leading order of QCD. The
results show that the transverse momentum p_t and energy fraction z
distributions of J/psi production do not agree with the observed ones very
well. The theoretical uncert... | [
{
"created": "Thu, 29 Jan 2009 19:10:59 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Feb 2009 17:18:09 GMT",
"version": "v2"
},
{
"created": "Fri, 2 Oct 2009 15:34:33 GMT",
"version": "v3"
}
] | 2009-10-13 | [
[
"Chang",
"Chao-Hsi",
""
],
[
"Li",
"Rong",
""
],
[
"Wang",
"Jian-Xiong",
""
]
] | We investigate the J/psi polarization in photoproduction at the Hadron Electron Ring Accelerator(HERA) up to the next-to-leading order of QCD. The results show that the transverse momentum p_t and energy fraction z distributions of J/psi production do not agree with the observed ones very well. The theoretical uncertai... |
2105.02143 | Lei Wang | Lei Wang | Inflation, electroweak phase transition, and Higgs searches at the LHC
in the two-Higgs-doublet model | Some discussions are added. Matches version published in JHEP | JHEP 07 (2022) 055 | 10.1007/JHEP07(2022)055 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Combining the electroweak phase transition and the Higgs searches at the LHC,
we study the Higgs inflation in the type-I and type-II two-Higgs-doublet models
with non-minimally couplings to gravity. Considering relevant theoretical and
experimental constraints, we find that the Higgs inflation imposes stringent
const... | [
{
"created": "Wed, 5 May 2021 15:50:14 GMT",
"version": "v1"
},
{
"created": "Mon, 10 Apr 2023 14:50:42 GMT",
"version": "v2"
}
] | 2023-04-19 | [
[
"Wang",
"Lei",
""
]
] | Combining the electroweak phase transition and the Higgs searches at the LHC, we study the Higgs inflation in the type-I and type-II two-Higgs-doublet models with non-minimally couplings to gravity. Considering relevant theoretical and experimental constraints, we find that the Higgs inflation imposes stringent constra... |
hep-ph/0106306 | Alberto Accardi | A. Accardi, D. Treleani (Trieste U.) | Minijet transverse spectrum in high-energy hadron-nucleus collisions | 30 pages, 4 figures | Phys.Rev. D64 (2001) 116004 | 10.1103/PhysRevD.64.116004 | null | hep-ph | null | Hadron-nucleus collisions at LHC energies are studied by including explicitly
semi-hard parton rescatterings in the collision dynamics. Under rather general
conditions, we obtain explicit formulae for the semi-hard cross-section and the
inclusive minijet transverse spectrum. As an effect of the rescatterings the
spec... | [
{
"created": "Wed, 27 Jun 2001 14:34:58 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Accardi",
"A.",
"",
"Trieste U."
],
[
"Treleani",
"D.",
"",
"Trieste U."
]
] | Hadron-nucleus collisions at LHC energies are studied by including explicitly semi-hard parton rescatterings in the collision dynamics. Under rather general conditions, we obtain explicit formulae for the semi-hard cross-section and the inclusive minijet transverse spectrum. As an effect of the rescatterings the spectr... |
hep-ph/9804416 | Enrico Franco | U. Aglietti, M. Ciuchini, G. Corbo', E. Franco, G. Martinelli, L.
Silvestrini | Model independent determination of the shape function for inclusive B
decays and of the structure functions in DIS | 16 pages, LaTeX file | Phys.Lett. B432 (1998) 411-420 | 10.1016/S0370-2693(98)00677-7 | ROME1-1208/98, TUM-HEP-309/98 | hep-ph | null | We present a method to compute, by numerical simulations of lattice QCD, the
inclusive semileptonic differential decay rates of heavy hadrons and the
structure functions which occur in deep inelastic scattering. The method is
based on first principles and does not require any model assumption. It allows
the predictio... | [
{
"created": "Mon, 27 Apr 1998 13:50:51 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Aglietti",
"U.",
""
],
[
"Ciuchini",
"M.",
""
],
[
"Corbo'",
"G.",
""
],
[
"Franco",
"E.",
""
],
[
"Martinelli",
"G.",
""
],
[
"Silvestrini",
"L.",
""
]
] | We present a method to compute, by numerical simulations of lattice QCD, the inclusive semileptonic differential decay rates of heavy hadrons and the structure functions which occur in deep inelastic scattering. The method is based on first principles and does not require any model assumption. It allows the prediction ... |
2403.16061 | Parada Hutauruk T. P. | Parada T. P. Hutauruk | Nonstandard interactions of neutrinos with dense matter | 14 pages, 8 figures, 1 table | null | null | PKNU-NuHaTh-2024 | hep-ph astro-ph.HE astro-ph.SR hep-ex nucl-th | http://creativecommons.org/licenses/by/4.0/ | Nonstandard interaction is expected to be a crucial hint to explain the
experimental data of neutrino scattering off electrons. In this context, the
nonstandard interaction vector and axial-vector couplings are needed to be
extracted from recent experiments and a few of them are now available in the
literature. With ... | [
{
"created": "Sun, 24 Mar 2024 08:12:32 GMT",
"version": "v1"
}
] | 2024-03-26 | [
[
"Hutauruk",
"Parada T. P.",
""
]
] | Nonstandard interaction is expected to be a crucial hint to explain the experimental data of neutrino scattering off electrons. In this context, the nonstandard interaction vector and axial-vector couplings are needed to be extracted from recent experiments and a few of them are now available in the literature. With th... |
hep-ph/9406325 | null | Stefano Catani | Low-x Structure Functions | 19 pages (+ 9 figs. available in hard copy upon request to
catani@fi.infn.it), LaTeX, DFF 207/6/94 | null | null | null | hep-ph | null | QCD predictions on the low-$x$ behaviour of the structure functions are
reviewed and compared with the recent measurements of $F_2(x,Q^2)$ at HERA. The
present theoretical accuracy of these predictions is discussed.
| [
{
"created": "Thu, 16 Jun 1994 10:10:20 GMT",
"version": "v1"
}
] | 2009-09-25 | [
[
"Catani",
"Stefano",
""
]
] | QCD predictions on the low-$x$ behaviour of the structure functions are reviewed and compared with the recent measurements of $F_2(x,Q^2)$ at HERA. The present theoretical accuracy of these predictions is discussed. |
2107.10866 | Fulvia De Fazio | Andrzej J. Buras, Pietro Colangelo, Fulvia De Fazio, Francesco Loparco | The charm of 331 | LaTeX, 31 pages, 13 figures | null | null | AJB-21-4; BARI-TH/21-729 | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a detailed analysis of flavour changing neutral current processes
in the charm sector in the context of 331 models. As pointed out recently, in
the case of $Z^\prime$ contributions in these models there are no new free
parameters beyond those already present in the $B_{d,s}$ and $K$ meson systems
analyzed ... | [
{
"created": "Thu, 22 Jul 2021 18:05:56 GMT",
"version": "v1"
}
] | 2021-07-26 | [
[
"Buras",
"Andrzej J.",
""
],
[
"Colangelo",
"Pietro",
""
],
[
"De Fazio",
"Fulvia",
""
],
[
"Loparco",
"Francesco",
""
]
] | We perform a detailed analysis of flavour changing neutral current processes in the charm sector in the context of 331 models. As pointed out recently, in the case of $Z^\prime$ contributions in these models there are no new free parameters beyond those already present in the $B_{d,s}$ and $K$ meson systems analyzed in... |
0907.2575 | Bronislav Zakharov | B.G. Zakharov | Synchrotron-like gluon emission in the quark-gluon plasma | Contributed to 44th Rencontres de Moriond QCD and High Energy
Interactions, La Thuile, Italy, 14-21 Mar 2009 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A quasiclassical theory of the synchrotron-like gluon emission is discussed.
We show that the synchrotron emission may be important in the jet quenching if
the plasma instabilities generate a chromomagnetic field about $m^{2}_{D}/g$.
Our gluon spectrum disagrees with that obtained by Shuryak and Zahed within
Schwinge... | [
{
"created": "Wed, 15 Jul 2009 13:00:27 GMT",
"version": "v1"
}
] | 2009-07-16 | [
[
"Zakharov",
"B. G.",
""
]
] | A quasiclassical theory of the synchrotron-like gluon emission is discussed. We show that the synchrotron emission may be important in the jet quenching if the plasma instabilities generate a chromomagnetic field about $m^{2}_{D}/g$. Our gluon spectrum disagrees with that obtained by Shuryak and Zahed within Schwinger'... |
hep-ph/0401015 | Alexander Pankov | A.A. Pankov (Tech. Univ. of Gomel) | Model-independent analysis of four-fermion contact interaction at e^+e^-
collider | 10 pages with 6 figures and 1 table Presented at the 12th
International Seminar on High Energy physics "Quarks-2002", Novgorod, Russia,
June 1 -- 7, 2002 | null | null | null | hep-ph | null | We study electron-electron contact-interaction searches in the process
e^+e^-\to e^+e^- at a future e^+e^- Linear Collider with both beams
longitudinally polarized. We evaluate the model-independent constraints on the
coupling constants, emphasizing the role of beam polarization, and make a
comparison with the case o... | [
{
"created": "Mon, 5 Jan 2004 12:48:32 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Pankov",
"A. A.",
"",
"Tech. Univ. of Gomel"
]
] | We study electron-electron contact-interaction searches in the process e^+e^-\to e^+e^- at a future e^+e^- Linear Collider with both beams longitudinally polarized. We evaluate the model-independent constraints on the coupling constants, emphasizing the role of beam polarization, and make a comparison with the case of ... |
1902.03071 | Cristian Pisano | Cristian Pisano, Umberto D'Alesio, Carlo Flore, Francesco Murgia,
Pieter Taels | Process dependence of the gluon Sivers function in inclusive $pp$
collisions: theory | 7 pages, 2 figures; to appear in the Proceedings of the 23rd
International SPIN Symposium (SPIN 2018), Ferrara (Italy), 10-14 September
2018 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Within the color gauge invariant generalized parton model (CGI-GPM), which
includes initial and final state interactions in a transverse momentum
dependent formalism, we present the complete results, at leading order in
perturbative QCD, for transverse single-spin asymmetries in the inclusive
hadroproduction of $J/\p... | [
{
"created": "Fri, 8 Feb 2019 13:22:08 GMT",
"version": "v1"
}
] | 2019-02-11 | [
[
"Pisano",
"Cristian",
""
],
[
"D'Alesio",
"Umberto",
""
],
[
"Flore",
"Carlo",
""
],
[
"Murgia",
"Francesco",
""
],
[
"Taels",
"Pieter",
""
]
] | Within the color gauge invariant generalized parton model (CGI-GPM), which includes initial and final state interactions in a transverse momentum dependent formalism, we present the complete results, at leading order in perturbative QCD, for transverse single-spin asymmetries in the inclusive hadroproduction of $J/\psi... |
1209.1348 | Michael Gronau | Michael Gronau and Jonathan L. Rosner | Revisiting D0-D0bar mixing using U-spin | corrected fonts for {\cal B} | null | 10.1103/PhysRevD.86.114029 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We prove that $D^0$-$\bar D^0$ mixing in the standard model occurs only at
second order in U-spin breaking. The U-spin subgroup of SU(3) is found to be a
powerful tool for analyzing the cancellation of intermediate-state
contributions to the $D^0$--$\od^0$ mixing parameter $y = \Delta \Gamma/(2
\Gamma)$. Cancellation... | [
{
"created": "Thu, 6 Sep 2012 17:35:43 GMT",
"version": "v1"
},
{
"created": "Thu, 20 Sep 2012 16:10:57 GMT",
"version": "v2"
},
{
"created": "Mon, 24 Sep 2012 14:30:54 GMT",
"version": "v3"
}
] | 2013-05-30 | [
[
"Gronau",
"Michael",
""
],
[
"Rosner",
"Jonathan L.",
""
]
] | We prove that $D^0$-$\bar D^0$ mixing in the standard model occurs only at second order in U-spin breaking. The U-spin subgroup of SU(3) is found to be a powerful tool for analyzing the cancellation of intermediate-state contributions to the $D^0$--$\od^0$ mixing parameter $y = \Delta \Gamma/(2 \Gamma)$. Cancellations ... |
1507.06315 | David Farhi | David Farhi, Ilya Feige, Marat Freytsis, Matthew D. Schwartz | Streamlining resummed QCD calculations using Monte Carlo integration | 30 pages, 10 figures, code included with submission | null | 10.1007/JHEP08(2016)112 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Some of the most arduous and error-prone aspects of precision resummed
calculations are related to the partonic hard process, having nothing to do
with the resummation. In particular, interfacing to parton-distribution
functions, combining various channels, and performing the phase space
integration can be limiting f... | [
{
"created": "Wed, 22 Jul 2015 20:00:49 GMT",
"version": "v1"
}
] | 2016-09-21 | [
[
"Farhi",
"David",
""
],
[
"Feige",
"Ilya",
""
],
[
"Freytsis",
"Marat",
""
],
[
"Schwartz",
"Matthew D.",
""
]
] | Some of the most arduous and error-prone aspects of precision resummed calculations are related to the partonic hard process, having nothing to do with the resummation. In particular, interfacing to parton-distribution functions, combining various channels, and performing the phase space integration can be limiting fac... |
1101.5525 | He Zhang | Werner Rodejohann, He Zhang | Extended Empirical Fermion Mass Relation | 6 pages, 6 figures | Phys.Lett.B698:152-156,2011 | 10.1016/j.physletb.2011.03.007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | It is known that the charged lepton masses obey to high precision an
interesting empirical relation (Koide relation). In turn, the light neutrino
masses cannot obey such a relation. We note that if neutrinos acquire their
mass via the seesaw mechanism, the empirical mass relation could hold for the
masses in the Dira... | [
{
"created": "Fri, 28 Jan 2011 12:20:42 GMT",
"version": "v1"
}
] | 2011-07-26 | [
[
"Rodejohann",
"Werner",
""
],
[
"Zhang",
"He",
""
]
] | It is known that the charged lepton masses obey to high precision an interesting empirical relation (Koide relation). In turn, the light neutrino masses cannot obey such a relation. We note that if neutrinos acquire their mass via the seesaw mechanism, the empirical mass relation could hold for the masses in the Dirac ... |
0910.2071 | Gagik Yeghiyan | Gagik K. Yeghiyan | Upsilon Decays into Scalar Dark Matter | 6 pages, 4 figures, to be published in the proceedings of DPF-2009,
Detroit, MI, July 2009, eConf C090726 | null | null | WSU-HEP-0906 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine decays of a spin-1 bottomonium into a pair of light scalar Dark
Matter (DM) particles, assuming that Dark Matter is produced due to exchange of
heavy degrees of freedom. We perform a model-independent analysis and derive
formulae for the branching ratios of these decays. We confront our calculation
results... | [
{
"created": "Mon, 12 Oct 2009 03:04:27 GMT",
"version": "v1"
}
] | 2009-10-13 | [
[
"Yeghiyan",
"Gagik K.",
""
]
] | We examine decays of a spin-1 bottomonium into a pair of light scalar Dark Matter (DM) particles, assuming that Dark Matter is produced due to exchange of heavy degrees of freedom. We perform a model-independent analysis and derive formulae for the branching ratios of these decays. We confront our calculation results w... |
2007.14939 | Kirill Tuchin | Kirill Tuchin | Photon radiation from quark-gluon plasma by means of chiral anomalies
without magnetic field | contribution to the "10th International Conference on Hard and
Electromagnetic Probes of High-Energy Nuclear Collisions" | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss a new channel of photon emission from the quark-gluon plasma,
which opens up as photon acquires a tachyonic mass in the presence of the
CP-odd topological domains generated by the chiral anomaly. It allows photon
radiation through the decay $q\to q\gamma$ and annihilation $q\bar q\to \gamma$
processes clos... | [
{
"created": "Wed, 29 Jul 2020 16:29:10 GMT",
"version": "v1"
}
] | 2020-07-30 | [
[
"Tuchin",
"Kirill",
""
]
] | We discuss a new channel of photon emission from the quark-gluon plasma, which opens up as photon acquires a tachyonic mass in the presence of the CP-odd topological domains generated by the chiral anomaly. It allows photon radiation through the decay $q\to q\gamma$ and annihilation $q\bar q\to \gamma$ processes closel... |
hep-ph/9501384 | Ulf Meissner | V. Bernard, N. Kaiser and Ulf-G. Mei{\ss}ner | Chiral Dynamics in Nucleons and Nuclei | 154 pp, plain TeX, uses epsf macros, figures appended in figrev.uu
(as compressed uuencoded tar files), complete PS file available from
meissner@pythia.itkp.uni-bonn.de | Int.J.Mod.Phys. E4 (1995) 193-346 | 10.1142/S0218301395000092 | CRN 95-3 and TK 95 1 | hep-ph nucl-th | null | We review the implications of the spontaneous chiral symmetry breaking in QCD
for processes involving one, two or more nucleons.
| [
{
"created": "Thu, 26 Jan 1995 12:54:43 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Bernard",
"V.",
""
],
[
"Kaiser",
"N.",
""
],
[
"Meißner",
"Ulf-G.",
""
]
] | We review the implications of the spontaneous chiral symmetry breaking in QCD for processes involving one, two or more nucleons. |
1609.04917 | T. Lappi | T. Lappi | Theory overview of Heavy Ion collisions | 18 pages, 14 figures, presented at the Fourth Annual Large Hadron
Collider Physics Conference (LHCP2016), 13--18 June 2016, Lund, Sweden | PoS(LHCP2016)016 | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This presentation discusses some recently active topics in the theoretical
interpretation of high energy heavy ion collisions at the LHC and at RHIC. We
argue that the standard paradigm for understanding the spacetime evolution of
the bulk of the matter produced in the collision is provided by viscous
relativistic hy... | [
{
"created": "Fri, 16 Sep 2016 06:44:13 GMT",
"version": "v1"
}
] | 2016-09-20 | [
[
"Lappi",
"T.",
""
]
] | This presentation discusses some recently active topics in the theoretical interpretation of high energy heavy ion collisions at the LHC and at RHIC. We argue that the standard paradigm for understanding the spacetime evolution of the bulk of the matter produced in the collision is provided by viscous relativistic hydr... |
0704.0031 | Valery M. Biryukov | V. M. Biryukov (Serpukhov, IHEP) | Crystal channeling of LHC forward protons with preserved distribution in
phase space | 11 pages, 3 figures | Phys.Lett.B658:7-12,2007 | 10.1016/j.physletb.2007.10.051 | null | hep-ph | null | We show that crystal can trap a broad (x, x', y, y', E) distribution of
particles and channel it preserved with a high precision. This sampled-and-hold
distribution can be steered by a bent crystal for analysis downstream. In
simulations for the 7 TeV Large Hadron Collider, a crystal adapted to the
accelerator lattic... | [
{
"created": "Sat, 31 Mar 2007 14:14:46 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Biryukov",
"V. M.",
"",
"Serpukhov, IHEP"
]
] | We show that crystal can trap a broad (x, x', y, y', E) distribution of particles and channel it preserved with a high precision. This sampled-and-hold distribution can be steered by a bent crystal for analysis downstream. In simulations for the 7 TeV Large Hadron Collider, a crystal adapted to the accelerator lattice ... |
2206.04501 | Zhou Rui | Zhou Rui, Chao-Qi Zhang, Jia-Ming Li, and Meng-Kun Jia | Investigating the color-suppressed decays $\Lambda_b\rightarrow \Lambda
\psi$ in the perturbative QCD approach | 22 pages, 1 figure, 9 tables, match published version | Phys. Rev. D 106 (2022) 053005 | 10.1103/PhysRevD.106.053005 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The nonleptonic two-body $\Lambda_b\rightarrow \Lambda\psi $ decays with
$\psi=J/\psi$ or $\psi(2S)$ are investigated based on the perturbative QCD
approach. These are color-suppressed processes in which the nonfactorizable
contributions are confirmed to be dominant. Angular momentum conservation
allows us to describ... | [
{
"created": "Thu, 9 Jun 2022 13:37:44 GMT",
"version": "v1"
},
{
"created": "Thu, 22 Sep 2022 15:01:13 GMT",
"version": "v2"
}
] | 2022-09-23 | [
[
"Rui",
"Zhou",
""
],
[
"Zhang",
"Chao-Qi",
""
],
[
"Li",
"Jia-Ming",
""
],
[
"Jia",
"Meng-Kun",
""
]
] | The nonleptonic two-body $\Lambda_b\rightarrow \Lambda\psi $ decays with $\psi=J/\psi$ or $\psi(2S)$ are investigated based on the perturbative QCD approach. These are color-suppressed processes in which the nonfactorizable contributions are confirmed to be dominant. Angular momentum conservation allows us to describe ... |
hep-ph/0606101 | Alexander Friedland | Alexander Friedland, Cecilia Lunardini | Two modes of searching for new neutrino interactions at MINOS | 10 pages, 3 figures; noticed typos corrected, results unchanged | Phys.Rev. D74 (2006) 033012 | 10.1103/PhysRevD.74.033012 | LA-UR-06-3973 | hep-ph hep-ex | null | The SuperKamiokande atmospheric neutrino measurements leave substantial room
for nonstandard interactions (NSI) of neutrinos with matter in the nu_e- nu_tau
sector. Large values of the NSI couplings are accommodated if the vacuum
oscillation parameters are changed from their standard values. Short and medium
baseline... | [
{
"created": "Thu, 8 Jun 2006 19:58:29 GMT",
"version": "v1"
},
{
"created": "Sat, 8 Jul 2006 00:46:00 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Friedland",
"Alexander",
""
],
[
"Lunardini",
"Cecilia",
""
]
] | The SuperKamiokande atmospheric neutrino measurements leave substantial room for nonstandard interactions (NSI) of neutrinos with matter in the nu_e- nu_tau sector. Large values of the NSI couplings are accommodated if the vacuum oscillation parameters are changed from their standard values. Short and medium baseline n... |
1908.10618 | Guruprasad Kadam Dr. | Guruprasad Kadam, Somenath Pal and Abhijit Bhattacharyya | Interacting hadron resonance gas model in magnetic field and the
fluctuations of conserved charges | Revised manuscript, 20 pages, 8 captioned figures, Accepted for
publication in Journal of Physics G | J.Phys.G 47 (2020) 125106 | 10.1088/1361-6471/abba70 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we discuss the interacting hadron resonance gas model in
presence of a constant external magnetic field. The short range repulsive
interaction between hadrons are accounted through van der Waals excluded volume
correction to the ideal gas pressure. Here we take the sizes of hadrons as
$r_\pi$ (pion radi... | [
{
"created": "Wed, 28 Aug 2019 09:57:27 GMT",
"version": "v1"
},
{
"created": "Tue, 22 Sep 2020 16:47:37 GMT",
"version": "v2"
}
] | 2021-01-01 | [
[
"Kadam",
"Guruprasad",
""
],
[
"Pal",
"Somenath",
""
],
[
"Bhattacharyya",
"Abhijit",
""
]
] | In this paper we discuss the interacting hadron resonance gas model in presence of a constant external magnetic field. The short range repulsive interaction between hadrons are accounted through van der Waals excluded volume correction to the ideal gas pressure. Here we take the sizes of hadrons as $r_\pi$ (pion radius... |
0909.2836 | Emiliano Molinaro | E. Molinaro, S.T. Petcov | On the Interplay Between the 'Low' and 'High' Energy CP-Violation in
Leptogenesis | Submitted to the proceedings of "The 2009 Europhysics Conference on
High Energy Physics", July 16 - 22, 2009, Krakow, Poland | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The CP-violation necessary for the generation of the baryon asymmetry of the
Universe in the "flavoured" leptogenesis scenario can arise from the "low
energy" PMNS neutrino mixing matrix and/or from the "high energy" part of
neutrino Yukawa couplings, which can mediate CP-violating phenomena only at
some high energy ... | [
{
"created": "Tue, 15 Sep 2009 16:31:14 GMT",
"version": "v1"
}
] | 2009-09-16 | [
[
"Molinaro",
"E.",
""
],
[
"Petcov",
"S. T.",
""
]
] | The CP-violation necessary for the generation of the baryon asymmetry of the Universe in the "flavoured" leptogenesis scenario can arise from the "low energy" PMNS neutrino mixing matrix and/or from the "high energy" part of neutrino Yukawa couplings, which can mediate CP-violating phenomena only at some high energy sc... |
hep-ph/0412315 | Junjie Cao | Junjie Cao, Jin Min Yang | Lightest Higgs Boson Mass in Split Supersymmetry with See-saw Mechanism | minor changes, version in PRD(Rapid Communication) | Phys.Rev.D71:111701,2005 | 10.1103/PhysRevD.71.111701 | null | hep-ph hep-ex | null | In the minimal supersymmetric standard model extended by including
right-handed neutrinos with see-saw mechanism, the neutrino Yukaka couplings
can be as large as the top-quark Yukawa couplings and thus the
neutrino/sneutrino may cause sizable effects in Higgs boson self-energy loops.
Our explicit one-loop calculatio... | [
{
"created": "Tue, 21 Dec 2004 15:57:24 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Jun 2005 07:45:49 GMT",
"version": "v2"
}
] | 2011-07-19 | [
[
"Cao",
"Junjie",
""
],
[
"Yang",
"Jin Min",
""
]
] | In the minimal supersymmetric standard model extended by including right-handed neutrinos with see-saw mechanism, the neutrino Yukaka couplings can be as large as the top-quark Yukawa couplings and thus the neutrino/sneutrino may cause sizable effects in Higgs boson self-energy loops. Our explicit one-loop calculations... |
hep-ph/0211307 | Raymond R. Volkas | R. R. Volkas | Implications of the JHF-Kamioka neutrino oscillation experiment | 10 pages, 3 figures, LaTeX, ws-procs9x6.cls. Invited talk at the
Workshop on Physics at the Japan Hadron Facility (JHF), Adelaide, 14-21 March
2002 | null | 10.1142/9789812776662_0006 | null | hep-ph hep-ex | null | After quickly reviewing the existing evidence for neutrino oscillations, I
summarise the goals and capabilities of the JHF-Kamioka long baseline superbeam
experiment. Theoretical implications of what this experiment could potentially
discover are then discussed.
| [
{
"created": "Wed, 20 Nov 2002 05:18:40 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Volkas",
"R. R.",
""
]
] | After quickly reviewing the existing evidence for neutrino oscillations, I summarise the goals and capabilities of the JHF-Kamioka long baseline superbeam experiment. Theoretical implications of what this experiment could potentially discover are then discussed. |
hep-ph/9801432 | Robert Harlander | K.G. Chetyrkin, R. Harlander and M. Steinhauser | Singlet Polarization Functions at O(\alpha_s^2) | LaTeX, 15 pages, 10 figures included as ps-files. The complete paper
is also available via anonymous ftp at ftp://ttpux2.physik.uni-karlsruhe.de/
, or via www at http://www-ttp.physik.uni-karlsruhe.de/cgi-bin/preprints/ | Phys. Rev. D 58, 014012 (1998) | 10.1103/PhysRevD.58.014012 | MPI/PhT/98-06, TTP98-04 | hep-ph | null | We consider the three-loop singlet diagrams induced by axial-vector, scalar
and pseudo-scalar currents. Expansions for small and large external momentum
$q$ are presented. They are used in combination with conformal mapping and
Pad\'e approximations in order to arrive at results for the polarization
functions valid f... | [
{
"created": "Thu, 29 Jan 1998 07:48:41 GMT",
"version": "v1"
}
] | 2016-08-25 | [
[
"Chetyrkin",
"K. G.",
""
],
[
"Harlander",
"R.",
""
],
[
"Steinhauser",
"M.",
""
]
] | We consider the three-loop singlet diagrams induced by axial-vector, scalar and pseudo-scalar currents. Expansions for small and large external momentum $q$ are presented. They are used in combination with conformal mapping and Pad\'e approximations in order to arrive at results for the polarization functions valid for... |
hep-ph/0110148 | Namit Mahajan | Namit Mahajan (Univ. of Delhi) | Noncommutative QED and $\gamma\gamma$ scattering | Minor corrections made and references added | null | null | null | hep-ph | null | We study $\gamma\gamma$ scattering in noncommutative QED (NCQED) where the
gauge field has Yang-Mills type coupling, giving new contributions to the
scattering process and making it possible for it to occur at tree level. The
process takes place at one loop level in the Standard Model (SM) and could be
an important s... | [
{
"created": "Thu, 11 Oct 2001 09:49:54 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Nov 2001 06:00:32 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Mahajan",
"Namit",
"",
"Univ. of Delhi"
]
] | We study $\gamma\gamma$ scattering in noncommutative QED (NCQED) where the gauge field has Yang-Mills type coupling, giving new contributions to the scattering process and making it possible for it to occur at tree level. The process takes place at one loop level in the Standard Model (SM) and could be an important sig... |
1103.4131 | Sandro Casagrande | Sandro Casagrande | Indirect tests of the Randall-Sundrum model | 8 pages, 6 figures; Talk given at Discrete '10: Symposium on
Prospects in the Physics of Discrete Symmetries, Rome, Italy, 6-11 Dec 2010 | null | 10.1088/1742-6596/335/1/012018 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | I present phenomenological implications of the Randall-Sundrum model for
indirect searches, specifically a selection of flavor observables and
Higgs-related collider searches. I review the interplay of constraints from CP
violation in flavor physics, possible effects in rare decays, and
model-specific protection mech... | [
{
"created": "Mon, 21 Mar 2011 20:00:43 GMT",
"version": "v1"
}
] | 2015-05-27 | [
[
"Casagrande",
"Sandro",
""
]
] | I present phenomenological implications of the Randall-Sundrum model for indirect searches, specifically a selection of flavor observables and Higgs-related collider searches. I review the interplay of constraints from CP violation in flavor physics, possible effects in rare decays, and model-specific protection mechan... |
hep-ph/9709279 | Gi-Chol Cho | Gi-Chol Cho and Kaoru Hagiwara (Theory group, KEK) | String unification scale and the hyper-charge Kac-Moody level in the
non-supersymmetric standard model | LaTeX, 13pages, 3 figures. Some comments are added. Final version to
appear in Phys. Lett. B | Phys.Lett. B419 (1998) 199-205 | 10.1016/S0370-2693(97)01488-3 | KEK-TH-537 | hep-ph | null | The string theory predicts the unification of the gauge couplings and
gravity. The minimal supersymmetric Standard Model, however, gives the
unification scale $\sim 2\times 10^{16}$ GeV which is significantly smaller
than the string scale $\sim 5\times 10^{17}$ GeV of the weak coupling heterotic
string theory. We stu... | [
{
"created": "Mon, 8 Sep 1997 09:42:10 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Sep 1997 03:19:19 GMT",
"version": "v2"
},
{
"created": "Wed, 26 Nov 1997 08:48:10 GMT",
"version": "v3"
}
] | 2009-10-30 | [
[
"Cho",
"Gi-Chol",
"",
"Theory group, KEK"
],
[
"Hagiwara",
"Kaoru",
"",
"Theory group, KEK"
]
] | The string theory predicts the unification of the gauge couplings and gravity. The minimal supersymmetric Standard Model, however, gives the unification scale $\sim 2\times 10^{16}$ GeV which is significantly smaller than the string scale $\sim 5\times 10^{17}$ GeV of the weak coupling heterotic string theory. We study... |
1707.05195 | Antonio Enrique C\'arcamo Hern\'andez acarcamo | A. E. C\'arcamo Hern\'andez, Basti\'an D\'iaz S\'aez, Claudio O. Dib,
Alfonso Zerwekh | Constraints on vector resonances from a strong Higgs sector | 14 pages, 18 figures. arXiv admin note: text overlap with
arXiv:1506.03631 | Phys. Rev. D 96, 115027 (2017) | 10.1103/PhysRevD.96.115027 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a scenario of a composite Higgs arising from a strong sector. We
assume that the lowest lying composite states are the Higgs scalar doublet and
a massive vector triplet, whose dynamics below the compositeness scale are
described in terms of an effective Lagrangian. Electroweak symmetry breaking
takes plac... | [
{
"created": "Thu, 13 Jul 2017 21:13:21 GMT",
"version": "v1"
}
] | 2018-01-03 | [
[
"Hernández",
"A. E. Cárcamo",
""
],
[
"Sáez",
"Bastián Díaz",
""
],
[
"Dib",
"Claudio O.",
""
],
[
"Zerwekh",
"Alfonso",
""
]
] | We consider a scenario of a composite Higgs arising from a strong sector. We assume that the lowest lying composite states are the Higgs scalar doublet and a massive vector triplet, whose dynamics below the compositeness scale are described in terms of an effective Lagrangian. Electroweak symmetry breaking takes place ... |
1405.3957 | Tanumoy Mandal | Gilad Amar, Shankha Banerjee, Stefan von Buddenbrock, Alan S. Cornell,
Tanumoy Mandal, Bruce Mellado, Biswarup Mukhopadhyaya | Exploration of the Tensor Structure of the Higgs Boson Coupling to Weak
Bosons in $e^+e^-$ Collisions | 38 pages, 15 figures, 2 tables, matches with published version | JHEP 1502 (2015) 128 | 10.1007/JHEP02(2015)128 | HRI-RECAPP-2014-011,WITS-CTP-135 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Probing signatures of anomalous interactions of the Higgs boson with pairs of
weak vector bosons is an important goal of an $e^+e^-$ collider commissioned as
a Higgs factory. We perform a detailed analysis of such potential of a collider
operating at $250 - 300$ GeV. Mostly using higher dimensional operators in a
gau... | [
{
"created": "Thu, 15 May 2014 19:26:33 GMT",
"version": "v1"
},
{
"created": "Sat, 20 Sep 2014 14:52:32 GMT",
"version": "v2"
},
{
"created": "Mon, 16 Mar 2015 12:30:39 GMT",
"version": "v3"
}
] | 2015-03-17 | [
[
"Amar",
"Gilad",
""
],
[
"Banerjee",
"Shankha",
""
],
[
"von Buddenbrock",
"Stefan",
""
],
[
"Cornell",
"Alan S.",
""
],
[
"Mandal",
"Tanumoy",
""
],
[
"Mellado",
"Bruce",
""
],
[
"Mukhopadhyaya",
"Biswarup",
... | Probing signatures of anomalous interactions of the Higgs boson with pairs of weak vector bosons is an important goal of an $e^+e^-$ collider commissioned as a Higgs factory. We perform a detailed analysis of such potential of a collider operating at $250 - 300$ GeV. Mostly using higher dimensional operators in a gauge... |
0710.4055 | Marek Karliner | Marek Karliner and Harry J. Lipkin | Possibility of Narrow High-Mass Exotic States | LaTeX, 7 pages, 2 figures | null | null | TAUP 2865/07, WIS/17/07-OCT-DPP, ANL-HEP-PR-707-88 | hep-ph | null | Narrow high-mass states can arise despite large phase space when two nearly
degenerate states are coupled to the same dominant decay mode. Mixing via a
final-state interaction loop diagram can produce one very broad state and one
narrow state. Such a situation is generic in exotic hadrons where a color
singlet with g... | [
{
"created": "Mon, 22 Oct 2007 13:36:48 GMT",
"version": "v1"
}
] | 2007-10-23 | [
[
"Karliner",
"Marek",
""
],
[
"Lipkin",
"Harry J.",
""
]
] | Narrow high-mass states can arise despite large phase space when two nearly degenerate states are coupled to the same dominant decay mode. Mixing via a final-state interaction loop diagram can produce one very broad state and one narrow state. Such a situation is generic in exotic hadrons where a color singlet with giv... |
2009.05616 | Peter Lichard | Peter Lichard | Possible manifestation of the 2p pionium in particle physics processes | 11 pages, 11 figures, 5 tables | Phys. Rev. D 102, 073004 (2020) | 10.1103/PhysRevD.102.073004 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We suggest a few particle physics processes in which excited 2p pionium
$\mathrm{A}^\prime_{2\pi}$ may be observed. They include the
$e^+e^-\to\pi^+\pi^-$ annihilation, the $V^0\to\pi^0\ell^+\ell^-$ and
$K^\pm\to\pi^\pm\ell^+\ell^-$ ($\ell=e,\mu$) decays, and the photoproduction of
two neutral pions from nucleons. We... | [
{
"created": "Fri, 11 Sep 2020 18:57:34 GMT",
"version": "v1"
},
{
"created": "Sun, 18 Oct 2020 17:27:07 GMT",
"version": "v2"
}
] | 2020-10-20 | [
[
"Lichard",
"Peter",
""
]
] | We suggest a few particle physics processes in which excited 2p pionium $\mathrm{A}^\prime_{2\pi}$ may be observed. They include the $e^+e^-\to\pi^+\pi^-$ annihilation, the $V^0\to\pi^0\ell^+\ell^-$ and $K^\pm\to\pi^\pm\ell^+\ell^-$ ($\ell=e,\mu$) decays, and the photoproduction of two neutral pions from nucleons. We a... |
hep-ph/0004081 | Kazunori Itakura | K. Itakura and S. Maedan | Dynamical Chiral Symmetry Breaking on the Light Front.II. The
Nambu--Jona-Lasinio Model | 23 pages, REVTEX, the version to be published in Phys.Rev.D; Some
clarifications in discussion of the LC wavefunctions added | Phys.Rev. D62 (2000) 105016 | 10.1103/PhysRevD.62.105016 | RCNP-Th-00010 | hep-ph hep-th nucl-th | null | An investigation of dynamical chiral symmetry breaking on the light front is
made in the Nambu--Jona-Lasinio model with one flavor and N colors. Analysis of
the model suffers from extraordinary complexity due to the existence of a
"fermionic constraint," i.e., a constraint equation for the bad spinor
component. Howev... | [
{
"created": "Sat, 8 Apr 2000 13:39:18 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Jul 2000 02:00:23 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Itakura",
"K.",
""
],
[
"Maedan",
"S.",
""
]
] | An investigation of dynamical chiral symmetry breaking on the light front is made in the Nambu--Jona-Lasinio model with one flavor and N colors. Analysis of the model suffers from extraordinary complexity due to the existence of a "fermionic constraint," i.e., a constraint equation for the bad spinor component. However... |
hep-ph/0001198 | Giorgio Calucci | Giorgio Calucci and Daniele Treleani | A Hamiltonian model for multiple production in hadron-hadron collisions | LateX No figures 9pages Proc. Conference ISMD1998 Delphi (GR) | Proc. Conference ISMD1998 Delphi (GR) | null | null | hep-ph | null | A Hamiltonian eikonal model for the multiple production in high energy hadron
hadron collisions is presented and worked out in the aim of providing a simple
frame for many different observables of these processes. The Hamiltonian
formulation ensures that it has the unitarity built in by construction and the
eikonal a... | [
{
"created": "Wed, 19 Jan 2000 16:28:17 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Calucci",
"Giorgio",
""
],
[
"Treleani",
"Daniele",
""
]
] | A Hamiltonian eikonal model for the multiple production in high energy hadron hadron collisions is presented and worked out in the aim of providing a simple frame for many different observables of these processes. The Hamiltonian formulation ensures that it has the unitarity built in by construction and the eikonal app... |
hep-ph/9602408 | Sergio A. Pernice | S. A. Pernice | Fully Relativistic Quark Models for Heavy-Light Systems | 38 pages, Latex, 8 figures. This version includes figures | Phys.Rev. D53 (1996) 1439-1451 | 10.1103/PhysRevD.53.1439 | null | hep-ph hep-lat | null | A fully relativistic quark model is constructed and applied to the study of
wave-functions as well as the spectrum of heavy-light mesons. The free
parameters of the model are a constituent quark mass and (on the lattice) an
adjustable r-parameter in the fermionic kinetic energy, while the confinement
is introduced vi... | [
{
"created": "Tue, 27 Feb 1996 14:17:06 GMT",
"version": "v1"
},
{
"created": "Sun, 3 Mar 1996 21:39:37 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Pernice",
"S. A.",
""
]
] | A fully relativistic quark model is constructed and applied to the study of wave-functions as well as the spectrum of heavy-light mesons. The free parameters of the model are a constituent quark mass and (on the lattice) an adjustable r-parameter in the fermionic kinetic energy, while the confinement is introduced via ... |
hep-ph/0109245 | Janusz Gluza | M. Czakon, (Univ. Karlsruhe), J. Gluza and M. Zralek (Univ. Silesia,
Katowice) | Nonunitary neutrino mixing matrix and CP violating neutrino oscillations | 10 pages, 4 figs, presented at the XXV International Conference on
Theoretical Physics ``Particle Physics and Astrophysics in the Standard Model
and Beyond, Ustron, Poland, September 2001 | Acta Phys.Polon.B32:3735-3744,2001 | null | null | hep-ph | null | In the standard approach to the neutrino oscillations a unitary relation
among weak and mass eigenstates of light neutrinos is imposed. However, in many
extensions of the SM left-handed, active neutrinos mix with additional heavy
neutrino states. Consequences of this additional mixing, driven by experimental
constrai... | [
{
"created": "Wed, 26 Sep 2001 08:34:42 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Czakon",
"M.",
"",
"Univ. Silesia,\n Katowice"
],
[
"Gluza",
"J.",
"",
"Univ. Silesia,\n Katowice"
],
[
"Zralek",
"M.",
"",
"Univ. Silesia,\n Katowice"
]
] | In the standard approach to the neutrino oscillations a unitary relation among weak and mass eigenstates of light neutrinos is imposed. However, in many extensions of the SM left-handed, active neutrinos mix with additional heavy neutrino states. Consequences of this additional mixing, driven by experimental constraint... |
1912.07755 | Luca Buonocore | Luca Buonocore | Recent developments in $q_T$ subtraction: EW corrections and power
suppressed contributions | 11 pages, 3 figures, to appear in the proceedings of the 14th
International Symposium on Radiative Corrections (RADCOR2019) | null | null | C19-09-08 | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The $q_T$ subtraction formalism represents a well established and successful
technique to deal with the computation of QCD radiative corrections up to NNLO
(and beyond) for a large class of processes relevant at the LHC. We have
explored the possibility to apply $q_T$ subtraction to the computation of EW
corrections ... | [
{
"created": "Mon, 16 Dec 2019 23:26:41 GMT",
"version": "v1"
}
] | 2019-12-18 | [
[
"Buonocore",
"Luca",
""
]
] | The $q_T$ subtraction formalism represents a well established and successful technique to deal with the computation of QCD radiative corrections up to NNLO (and beyond) for a large class of processes relevant at the LHC. We have explored the possibility to apply $q_T$ subtraction to the computation of EW corrections wi... |
1103.1481 | Matthias Steinhauser | Jens Hoff and Matthias Steinhauser | Moments of heavy-light current correlators up to three loops | 21 pages | null | 10.1016/j.nuclphysb.2011.04.007 | SFB/CPP-11-05, TTP11-02 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider moments of the non-diagonal vector, axial-vector, scalar and
pseudo-scalar current correlators involving two different massive quark
flavours up to three-loop accuracy. Expansions around the limits where one mass
is zero and the equal-mass case are computed. These results are used to
construct approximati... | [
{
"created": "Tue, 8 Mar 2011 10:11:02 GMT",
"version": "v1"
}
] | 2015-05-27 | [
[
"Hoff",
"Jens",
""
],
[
"Steinhauser",
"Matthias",
""
]
] | We consider moments of the non-diagonal vector, axial-vector, scalar and pseudo-scalar current correlators involving two different massive quark flavours up to three-loop accuracy. Expansions around the limits where one mass is zero and the equal-mass case are computed. These results are used to construct approximation... |
2105.01666 | Martin Hoferichter | Igor Danilkin, Martin Hoferichter, Peter Stoffer | A dispersive estimate of scalar contributions to hadronic light-by-light
scattering | 9 pages, 2 figures; journal version | Phys. Lett. B 820 (2021) 136502 | 10.1016/j.physletb.2021.136502 | INT-PUB-21-11, UWThPh 2021-3 | hep-ph hep-ex hep-lat nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the contribution of scalar resonances to hadronic light-by-light
scattering in the anomalous magnetic moment of the muon. While the $f_0(500)$
has already been addressed in previous work using dispersion relations, heavier
scalar resonances have only been estimated in hadronic models so far. Here, we
comp... | [
{
"created": "Tue, 4 May 2021 18:00:01 GMT",
"version": "v1"
},
{
"created": "Fri, 16 Jul 2021 07:17:12 GMT",
"version": "v2"
}
] | 2021-07-19 | [
[
"Danilkin",
"Igor",
""
],
[
"Hoferichter",
"Martin",
""
],
[
"Stoffer",
"Peter",
""
]
] | We consider the contribution of scalar resonances to hadronic light-by-light scattering in the anomalous magnetic moment of the muon. While the $f_0(500)$ has already been addressed in previous work using dispersion relations, heavier scalar resonances have only been estimated in hadronic models so far. Here, we compar... |
2006.12019 | Desh Raj | S. Dev and Desh Raj | New Hybrid Textures for Neutrino Mass Matrices | null | Nuclear Physics B 957 (2020) 115081 | 10.1016/j.nuclphysb.2020.115081 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We perform a systematic investigation of the texture structures of Majorana
neutrino mass matrix $M_{\nu}$ having two texture zeros and an equality between
two nonzero matrix elements, in the light of recent neutrino oscillation data.
Among forty-two possible textures, it is found that only eight textures are
compati... | [
{
"created": "Mon, 22 Jun 2020 05:58:59 GMT",
"version": "v1"
}
] | 2020-06-23 | [
[
"Dev",
"S.",
""
],
[
"Raj",
"Desh",
""
]
] | We perform a systematic investigation of the texture structures of Majorana neutrino mass matrix $M_{\nu}$ having two texture zeros and an equality between two nonzero matrix elements, in the light of recent neutrino oscillation data. Among forty-two possible textures, it is found that only eight textures are compatibl... |
hep-ph/9808226 | Arkady Vainshtein | Arkady Vainshtein | Heavy flavor decays and OPE in two-dimensional 't Hooft model | LaTex, 11 pages, 2 figures. Talk presented at the 3rd workshop on
Continious Advances in QCD, University of Minnesota, Minneapolis, April
16-19, 1998 | null | null | TPI-MINN-98/13-T, UMN-TH-1713-98 | hep-ph | null | The 't Hooft model (two-dimensional QCD in the limit of large number of
colors) is used as a testground for calculations of nonleptonic and
semileptonic inclusive widths of heavy flavors based on the operator product
expansion (OPE). The OPE-based predictions up to terms ${\cal O}(1/m_Q^4)$,
inclusively, are confront... | [
{
"created": "Wed, 5 Aug 1998 00:59:27 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Vainshtein",
"Arkady",
""
]
] | The 't Hooft model (two-dimensional QCD in the limit of large number of colors) is used as a testground for calculations of nonleptonic and semileptonic inclusive widths of heavy flavors based on the operator product expansion (OPE). The OPE-based predictions up to terms ${\cal O}(1/m_Q^4)$, inclusively, are confronted... |
hep-ph/9703250 | Takeo Matsuoka | N. Haba, N. Maru and T. Matsuoka | Supersymmetry Breaking Without A Messenger Sector | Revised version includes some corrections of the superpotential | Phys.Rev. D56 (1997) 4207-4212 | 10.1103/PhysRevD.56.4207 | DPNU-97-14 | hep-ph | null | We propose a simple gauge-mediated supersymmetry breaking model in which
suitable soft breaking masses are dynamically generated without relying on a
messenger sector. This model is constructed as an extention of the 3-2 model
and needs no fine-tuning of parameters. The dynamical supersymmetry breaking
sector contain... | [
{
"created": "Thu, 6 Mar 1997 06:01:12 GMT",
"version": "v1"
},
{
"created": "Wed, 12 Mar 1997 07:34:07 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Haba",
"N.",
""
],
[
"Maru",
"N.",
""
],
[
"Matsuoka",
"T.",
""
]
] | We propose a simple gauge-mediated supersymmetry breaking model in which suitable soft breaking masses are dynamically generated without relying on a messenger sector. This model is constructed as an extention of the 3-2 model and needs no fine-tuning of parameters. The dynamical supersymmetry breaking sector contains ... |
1503.06519 | Hoernisa Iminniyaz | Shun-zhi Wang, Hoernisa Iminniyaz, Mamatrishat Mamat | Relic Abundance of Asymmetric Dark Matter and the Scalar--Tensor Model | The whole structure of the paper is changed. The new figure is added
and typos are corrected | null | 10.1142/S0217751X16500214 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The relic abundance of asymmetric Dark Matter particles in the scalar--tensor
model is analysized in this article. We extend the numeric and analytic
calculation of the relic density of the asymmetric Dark Matter in the standard
cosmological scenario to the nonstandard cosmological scenario. We focus on the
scalar--t... | [
{
"created": "Mon, 23 Mar 2015 03:54:44 GMT",
"version": "v1"
},
{
"created": "Wed, 19 Aug 2015 05:47:41 GMT",
"version": "v2"
}
] | 2016-03-16 | [
[
"Wang",
"Shun-zhi",
""
],
[
"Iminniyaz",
"Hoernisa",
""
],
[
"Mamat",
"Mamatrishat",
""
]
] | The relic abundance of asymmetric Dark Matter particles in the scalar--tensor model is analysized in this article. We extend the numeric and analytic calculation of the relic density of the asymmetric Dark Matter in the standard cosmological scenario to the nonstandard cosmological scenario. We focus on the scalar--ten... |
hep-ph/9806201 | Arnulfo Zepeda | U. Cotti, R. Gaitan, A. Hernandez, W. Ponce, and A. Zepeda | Lepton mass generation and family number violation mechanism in the
$SU(6)\otimes U(1)$ model | 12 pages, Latex, 7 figures. Accepted for publication in Int. Journ.
of Mod. Phys. A | Int.J.Mod.Phys. A13 (1998) 5557-5572 | 10.1142/S0217751X98002535 | null | hep-ph | null | Lepton family number violation processes arise in the $SU(6)_L \otimes
U(1)_Y$ model due to the presence of an extra neutral gauge boson, Z$'$, with
family changing couplings, and due to the fact that this model demands the
existence of heavy exotic leptons. The mixing of the standard Z with Z$'$ and
the mixing of or... | [
{
"created": "Sat, 30 May 1998 00:09:53 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Cotti",
"U.",
""
],
[
"Gaitan",
"R.",
""
],
[
"Hernandez",
"A.",
""
],
[
"Ponce",
"W.",
""
],
[
"Zepeda",
"A.",
""
]
] | Lepton family number violation processes arise in the $SU(6)_L \otimes U(1)_Y$ model due to the presence of an extra neutral gauge boson, Z$'$, with family changing couplings, and due to the fact that this model demands the existence of heavy exotic leptons. The mixing of the standard Z with Z$'$ and the mixing of ordi... |
1512.02201 | Norimi Yokozaki | Masaki Asano, Yuichiro Nakai and Norimi Yokozaki | Low-Scale Gauge Mediation with a 100 TeV Gravitino | 17 pages, 2 figures; typos corrected | Phys. Rev. D 93, 055023 (2016) | 10.1103/PhysRevD.93.055023 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a new framework of low-scale gauge-mediated supersymmetry (SUSY)
breaking with a gravitino mass of O(100) TeV. The usual 4D gauge mediation
models predict a light gravitino and suffer from cosmological problems. In our
framework, a heavy gravitino in gauge mediation is realized with a flat
extra-dimension,... | [
{
"created": "Mon, 7 Dec 2015 20:37:58 GMT",
"version": "v1"
},
{
"created": "Wed, 9 Mar 2016 09:52:16 GMT",
"version": "v2"
}
] | 2016-03-23 | [
[
"Asano",
"Masaki",
""
],
[
"Nakai",
"Yuichiro",
""
],
[
"Yokozaki",
"Norimi",
""
]
] | We propose a new framework of low-scale gauge-mediated supersymmetry (SUSY) breaking with a gravitino mass of O(100) TeV. The usual 4D gauge mediation models predict a light gravitino and suffer from cosmological problems. In our framework, a heavy gravitino in gauge mediation is realized with a flat extra-dimension, w... |
hep-ph/0202169 | Alan R. White | Alan R. White | The Chiral Anomaly and High-Energy Scattering in QCD | 64 pages, 33 ps figures in the text. Version to be published | Phys.Rev. D66 (2002) 056007 | 10.1103/PhysRevD.66.056007 | ANL-HEP-PR-02-19 | hep-ph | null | Infra-red properties of the triangle anomaly and the ``anomaly pole'' are
elaborated and applied to the study of high-energy scattering in QCD, when the
gauge symmetry is partially broken to SU(2). It is shown that the chiral flavor
anomaly provides a wee-gluon component for Goldstone bosons that combines with
intera... | [
{
"created": "Sun, 17 Feb 2002 21:49:54 GMT",
"version": "v1"
},
{
"created": "Mon, 1 Apr 2002 23:40:08 GMT",
"version": "v2"
},
{
"created": "Fri, 2 Aug 2002 16:08:01 GMT",
"version": "v3"
}
] | 2009-11-07 | [
[
"White",
"Alan R.",
""
]
] | Infra-red properties of the triangle anomaly and the ``anomaly pole'' are elaborated and applied to the study of high-energy scattering in QCD, when the gauge symmetry is partially broken to SU(2). It is shown that the chiral flavor anomaly provides a wee-gluon component for Goldstone bosons that combines with interact... |
hep-ph/0611286 | Brian Feldstein | Brian Feldstein, Brock Tweedie | Density Perturbations in Chain Inflation | 28 pages, 16 figures; v2: corrected typos, increased resolution on
D=2+1 data points | JCAP 0704:020,2007 | 10.1088/1475-7516/2007/04/020 | UCB-PTH-06/21, LBNL-62015 | hep-ph | null | We consider the model of ``Chain Inflation,'' in which the period of
inflation in our universe took the form of a long sequence of quantum tunneling
events. We find that in the simplest such scenario, in which the tunneling
processes are uniform, approximately 10^4 vacua per e-folding of inflation are
required in ord... | [
{
"created": "Wed, 22 Nov 2006 08:44:08 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Dec 2006 21:05:03 GMT",
"version": "v2"
}
] | 2014-11-18 | [
[
"Feldstein",
"Brian",
""
],
[
"Tweedie",
"Brock",
""
]
] | We consider the model of ``Chain Inflation,'' in which the period of inflation in our universe took the form of a long sequence of quantum tunneling events. We find that in the simplest such scenario, in which the tunneling processes are uniform, approximately 10^4 vacua per e-folding of inflation are required in order... |
2401.05009 | Preeti Bhall | Preeti Bhall and A. Upadhyay | Importance of strange sea to the charge radii and quadrupole moment of $
J^P=\frac{1}{2}^+,\frac{3}{2}^+$ baryons | null | null | null | null | hep-ph nucl-th | http://creativecommons.org/licenses/by/4.0/ | A statistical framework in conjugation with the principle of detailed balance
is employed to examine the low-energy properties i.e. charge radii and
quadrupole moment of J$^P$=$\frac{1}{2}^+$ octet and J$^P$=$\frac{3}{2}^+$
decuplet baryon. The statistical approach assumes the expansion of baryonic
system in terms of... | [
{
"created": "Wed, 10 Jan 2024 08:54:07 GMT",
"version": "v1"
}
] | 2024-01-11 | [
[
"Bhall",
"Preeti",
""
],
[
"Upadhyay",
"A.",
""
]
] | A statistical framework in conjugation with the principle of detailed balance is employed to examine the low-energy properties i.e. charge radii and quadrupole moment of J$^P$=$\frac{1}{2}^+$ octet and J$^P$=$\frac{3}{2}^+$ decuplet baryon. The statistical approach assumes the expansion of baryonic system in terms of q... |
1110.4817 | Daniel Albornoz V\'asquez | Daniel Albornoz V\'asquez | Light Neutralinos in the NMSSM | 3 pages, 2 figures, proceedings for The 2011 Europhysics Conference
on High Energy Physics-HEP 2011 | PoS(EPS-HEP2011)389 | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Next-to-Minimal Supersymmetric Standard Model neutralino dark matter
candidates in the (1-15) GeV range are found with a Markov Chain Monte Carlo
scanning code. A very light, singlet-like Higgs and/or CP-odd Higgs is needed
in order to achieve such light masses. Light scalar Higgses can yield large
direct detection c... | [
{
"created": "Fri, 21 Oct 2011 15:10:32 GMT",
"version": "v1"
},
{
"created": "Mon, 21 Nov 2011 16:55:41 GMT",
"version": "v2"
}
] | 2012-04-19 | [
[
"Vásquez",
"Daniel Albornoz",
""
]
] | Next-to-Minimal Supersymmetric Standard Model neutralino dark matter candidates in the (1-15) GeV range are found with a Markov Chain Monte Carlo scanning code. A very light, singlet-like Higgs and/or CP-odd Higgs is needed in order to achieve such light masses. Light scalar Higgses can yield large direct detection cro... |
hep-ph/0202030 | Ricardo Gonzalez Felipe | G. C. Branco, R. Gonzalez Felipe, F. R. Joaquim, M. N. Rebelo | Leptogenesis, CP violation and neutrino data: What can we learn? | 36 pages, 6 figures; new references added, final version to appear in
Nucl. Phys. B | Nucl.Phys.B640:202-232,2002 | 10.1016/S0550-3213(02)00478-9 | FISIST/03-2002/CFIF | hep-ph | null | A detailed analytic and numerical study of baryogenesis through leptogenesis
is performed in the framework of the standard model of electroweak interactions
extended by the addition of three right-handed neutrinos, leading to the seesaw
mechanism. We analyze the connection between GUT-motivated relations for the
quar... | [
{
"created": "Mon, 4 Feb 2002 21:03:46 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Jun 2002 10:39:40 GMT",
"version": "v2"
}
] | 2011-07-19 | [
[
"Branco",
"G. C.",
""
],
[
"Felipe",
"R. Gonzalez",
""
],
[
"Joaquim",
"F. R.",
""
],
[
"Rebelo",
"M. N.",
""
]
] | A detailed analytic and numerical study of baryogenesis through leptogenesis is performed in the framework of the standard model of electroweak interactions extended by the addition of three right-handed neutrinos, leading to the seesaw mechanism. We analyze the connection between GUT-motivated relations for the quark ... |
hep-ph/0101001 | Heui-Seol Roh | Heui-Seol Roh | Quantum Weakdynamics as an SU(3)_I Gauge Theory: Grand Unification of
Strong and Electroweak Interactions | REVTeX, 20 pages, corrected typographic errors, revised Section II | Eur.Phys.J.C22:359-377,2001 | 10.1007/s100520100803 | null | hep-ph | null | Quantum weakdynamics (QWD) as an SU(3)_I gauge theory with the Theta vacuum
term is considered to be the unification of the electroweak interaction as an
SU(2)_L x U(1)_Y gauge theory. The grand unification of SU(3)_I x SU(3)_C
beyond the standard model SU(3)_C x SU(2)_L x U(1)_Y is established by the
group SU(3)_I. ... | [
{
"created": "Sat, 30 Dec 2000 05:03:29 GMT",
"version": "v1"
},
{
"created": "Thu, 10 Jan 2002 07:10:21 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Roh",
"Heui-Seol",
""
]
] | Quantum weakdynamics (QWD) as an SU(3)_I gauge theory with the Theta vacuum term is considered to be the unification of the electroweak interaction as an SU(2)_L x U(1)_Y gauge theory. The grand unification of SU(3)_I x SU(3)_C beyond the standard model SU(3)_C x SU(2)_L x U(1)_Y is established by the group SU(3)_I. Th... |
2008.02895 | Tianbo Liu | Tianbo Liu, W. Melnitchouk, Jian-Wei Qiu, N. Sato | Factorized approach to radiative corrections for inelastic lepton-hadron
collisions | 6 pages, 3 figures, accepted for publication in Phys. Rev. D | null | 10.1103/PhysRevD.104.094033 | JLAB-THY-20-3233 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a factorized approach to QED radiative corrections for inclusive
and semi-inclusive deep-inelastic scattering to systematically account for QED
and QCD radiation contributions to both processes on equal footing. This is
achieved by utilizing factorization to resum logarithmically enhanced QED
radiation int... | [
{
"created": "Thu, 6 Aug 2020 22:27:09 GMT",
"version": "v1"
},
{
"created": "Mon, 14 Sep 2020 16:15:26 GMT",
"version": "v2"
},
{
"created": "Wed, 17 Mar 2021 14:27:53 GMT",
"version": "v3"
},
{
"created": "Thu, 11 Nov 2021 14:12:28 GMT",
"version": "v4"
}
] | 2021-12-01 | [
[
"Liu",
"Tianbo",
""
],
[
"Melnitchouk",
"W.",
""
],
[
"Qiu",
"Jian-Wei",
""
],
[
"Sato",
"N.",
""
]
] | We propose a factorized approach to QED radiative corrections for inclusive and semi-inclusive deep-inelastic scattering to systematically account for QED and QCD radiation contributions to both processes on equal footing. This is achieved by utilizing factorization to resum logarithmically enhanced QED radiation into ... |
1307.1221 | Krishna Kingkar Pathak | Krishna Kingkar Pathak and D K Choudhury | Semileptonic decay of $B_c$ meson into $c\bar c$ states in a QCD
potential model | We are presently improving the manuscript | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The slope and curvature of Isgur Wise function for $B_{c}$ meson is computed
in a QCD potential model in two different approaches of choosing the
perturbative term of the Cornell potential. Based on heavy quark effective
theory the exclusive semileptonic decay rates of $B_c$ meson into the $c\bar c\
(\eta_c,J/\psi)$ ... | [
{
"created": "Thu, 4 Jul 2013 06:45:19 GMT",
"version": "v1"
},
{
"created": "Mon, 5 Dec 2022 16:53:30 GMT",
"version": "v2"
}
] | 2022-12-06 | [
[
"Pathak",
"Krishna Kingkar",
""
],
[
"Choudhury",
"D K",
""
]
] | The slope and curvature of Isgur Wise function for $B_{c}$ meson is computed in a QCD potential model in two different approaches of choosing the perturbative term of the Cornell potential. Based on heavy quark effective theory the exclusive semileptonic decay rates of $B_c$ meson into the $c\bar c\ (\eta_c,J/\psi)$ st... |
1206.1453 | George W. S. Hou | Wei-Shu Hou | Heavy QQ(bar) "Fireball" Annihilation to Multiple Vector Bosons | 4 pages, 1 figure | null | 10.1103/PhysRevD.86.037701 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Drawing analogy of replacing the nucleon by heavy chiral quark $Q$, the pion
by Goldstone boson $G$, and $\pi NN$ coupling by $GQQ$ coupling, we construct a
statistical model for $Q\bar Q \to nG$ annihilation, i.e. into $n$ longitudinal
weak bosons. This analogy is becoming prescient since the LHC direct bound $m_Q
>... | [
{
"created": "Thu, 7 Jun 2012 11:21:46 GMT",
"version": "v1"
}
] | 2013-05-30 | [
[
"Hou",
"Wei-Shu",
""
]
] | Drawing analogy of replacing the nucleon by heavy chiral quark $Q$, the pion by Goldstone boson $G$, and $\pi NN$ coupling by $GQQ$ coupling, we construct a statistical model for $Q\bar Q \to nG$ annihilation, i.e. into $n$ longitudinal weak bosons. This analogy is becoming prescient since the LHC direct bound $m_Q > 6... |
hep-ph/9711435 | Marco Aurelio Diaz | Marco Aurelio Diaz | The Minimal Supersymmetric Standard Model with a Bilinear R--Parity
Violating Term | 12 pages including 10 figures, Latex. Talk given at the International
Workshop on Quantum Effects in the MSSM, 9--13 Sep. 1997, Barcelona, Spain | null | null | IFIC/97-87, FTUV/97-57 | hep-ph | null | Some aspects of bilinear R-Parity violation, the simplest extension of the
MSSM which does not conserve R-Parity, are reviewed in comparison with the
MSSM. We put special emphasis on the effect of quantum corrections.
| [
{
"created": "Mon, 24 Nov 1997 12:59:24 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Diaz",
"Marco Aurelio",
""
]
] | Some aspects of bilinear R-Parity violation, the simplest extension of the MSSM which does not conserve R-Parity, are reviewed in comparison with the MSSM. We put special emphasis on the effect of quantum corrections. |
hep-ph/9802251 | Shaouly Bar-Shalom | S. Bar-Shalom, G. Eilam and A. Soni | R-parity violation and CP-violating and CP-conserving spin asymmetries
in l^+ l^- -> sneutrino -> tau^+ tau^-: probing sneutrino mixing at LEP2, NLC
and mu^+mu^- colliders | 12 pages, plain latex, 3 figures embadded in the text using epsfig | Phys. Rev. D 59, 055012 (1999) | 10.1103/PhysRevLett.80.4629 | UCRHEP-T215 | hep-ph | null | We consider the sneutrino resonance reaction l^+ l^- -> sneutrino -> tau^+
tau^- in the MSSM without R-parity. We introduce new CP-violating and
CP-conserving tau-spin asymmetries which are generated already at the
tree-level if there is sneutrino - sneutrino-bar mixing and that are forbidden
in the SM. It is remarka... | [
{
"created": "Thu, 5 Feb 1998 01:25:13 GMT",
"version": "v1"
}
] | 2016-08-25 | [
[
"Bar-Shalom",
"S.",
""
],
[
"Eilam",
"G.",
""
],
[
"Soni",
"A.",
""
]
] | We consider the sneutrino resonance reaction l^+ l^- -> sneutrino -> tau^+ tau^- in the MSSM without R-parity. We introduce new CP-violating and CP-conserving tau-spin asymmetries which are generated already at the tree-level if there is sneutrino - sneutrino-bar mixing and that are forbidden in the SM. It is remarkabl... |
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