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1506.08996
Yi Liao
Zhi-Long Han (Nankai Univ.), Ran Ding (Peking Univ.), Yi Liao (ITP-CAS, Peking Univ., Nankai Univ.)
LHC Phenomenology of the Type II Seesaw Mechanism: Observability of Neutral Scalars in the Nondegenerate Case
v1: 32 pages, 17 figures, 3 tables. v2: added 2 refs (2nd in [61] and [66]), revised Acknowledgments, and corrected grammatical errors according to proofs; no other changes
Phys. Rev. D 92, 033014 (2015)
10.1103/PhysRevD.92.033014
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This is a sequel to our previous work on LHC phenomenology of the type II seesaw model in the nondegenerate case. In this work, we further study the pair and associated production of the neutral scalars H^0/A^0. We restrict ourselves to the so-called negative scenario characterized by the mass order M_{H^{\pm\pm}}>M_...
[ { "created": "Tue, 30 Jun 2015 09:09:05 GMT", "version": "v1" }, { "created": "Sat, 5 Sep 2015 10:19:31 GMT", "version": "v2" } ]
2015-09-08
[ [ "Han", "Zhi-Long", "", "Nankai Univ." ], [ "Ding", "Ran", "", "Peking Univ." ], [ "Liao", "Yi", "", "ITP-CAS, Peking Univ., Nankai Univ." ] ]
This is a sequel to our previous work on LHC phenomenology of the type II seesaw model in the nondegenerate case. In this work, we further study the pair and associated production of the neutral scalars H^0/A^0. We restrict ourselves to the so-called negative scenario characterized by the mass order M_{H^{\pm\pm}}>M_{H...
1411.7615
Leonardo Tinti
Leonardo Tinti
New formulation of leading order anisotropic hydrodynamics
Talk presented at Hot Quarks 2014, September 21-28, 2014, Las Negras, Andalucia, Spain
null
10.1088/1742-6596/612/1/012061
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Anisotropic hydrodynamics is a reorganization of the relativistic hydrodynamics expansion, with the leading order already containing substantial momentum-space anisotropies. The latter are a cause of concern in the traditional viscous hydrodynamics, since large momentum anisotropies generated in ultrarelativistic hea...
[ { "created": "Thu, 27 Nov 2014 14:55:16 GMT", "version": "v1" } ]
2015-06-11
[ [ "Tinti", "Leonardo", "" ] ]
Anisotropic hydrodynamics is a reorganization of the relativistic hydrodynamics expansion, with the leading order already containing substantial momentum-space anisotropies. The latter are a cause of concern in the traditional viscous hydrodynamics, since large momentum anisotropies generated in ultrarelativistic heavy...
hep-ph/9306326
null
Kin-Wang Ng (Institute of Physics, Academia Sinica, Taiwan)
Cosmological Bound on the Decay $\pi^0\rightarrow\gamma X$
7 pages, IP-ASTP-03-93
Phys.Rev.D48:2941-2942,1993
10.1103/PhysRevD.48.2941
null
hep-ph
null
Using the upper bound on the effective number of light neutrino species during primordial nucleosynthesis and the cosmological pion-pole mechanism $\gamma\gamma\rightarrow \pi^0\rightarrow \gamma X$, we obtain an upper limit on the branching ratio for the decay BR$(\pi^0\rightarrow \gamma X)<3\times 10^{-13}$, where ...
[ { "created": "Tue, 29 Jun 1993 17:32:00 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ng", "Kin-Wang", "", "Institute of Physics, Academia Sinica, Taiwan" ] ]
Using the upper bound on the effective number of light neutrino species during primordial nucleosynthesis and the cosmological pion-pole mechanism $\gamma\gamma\rightarrow \pi^0\rightarrow \gamma X$, we obtain an upper limit on the branching ratio for the decay BR$(\pi^0\rightarrow \gamma X)<3\times 10^{-13}$, where $X...
0912.4348
Dominik Schwarz
Dominik J. Schwarz and Erandy Ramirez
Just enough inflation
4 pages, 2 figures, talk presented at MG12, Paris, 2009
null
null
BI-TP 2009/32
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a version of chaotic inflation, in which a fundamental scale M, well below the Planck scale M_P, fixes the initial value of the effective potential. If this scale happens to be the scale of grand unified theories, there are just enough e-foldings of inflation. An initial epoch of fast-roll breaks scale-inv...
[ { "created": "Tue, 22 Dec 2009 09:39:42 GMT", "version": "v1" } ]
2009-12-23
[ [ "Schwarz", "Dominik J.", "" ], [ "Ramirez", "Erandy", "" ] ]
We propose a version of chaotic inflation, in which a fundamental scale M, well below the Planck scale M_P, fixes the initial value of the effective potential. If this scale happens to be the scale of grand unified theories, there are just enough e-foldings of inflation. An initial epoch of fast-roll breaks scale-invar...
hep-ph/0309302
Masahisa Matsuda
Takemi Hayashi, Masahisa Matsuda and Takeo Matsuoka
Particle Spectra and Gauge Unification in $SU(6) \times SU(2)_R$ Model
28 pages, 1 figure
Prog.Theor.Phys. 110 (2004) 1095-1115
10.1143/PTP.110.1095
AUE-03-01/KGKU-03-01
hep-ph
null
We study the path from the string scale physics to the low-energy physics in the $SU(6) \times SU(2)_R$ string-inspired model with the flavor symmetry ${\bf Z}_M \times {\bf Z}_N \times \tilde{D}_4$. The flavor symmetry controls the mass spectra of heavy particles as well as those of quarks and leptons in the interme...
[ { "created": "Fri, 26 Sep 2003 07:12:25 GMT", "version": "v1" }, { "created": "Fri, 31 Oct 2003 02:32:25 GMT", "version": "v2" } ]
2009-11-10
[ [ "Hayashi", "Takemi", "" ], [ "Matsuda", "Masahisa", "" ], [ "Matsuoka", "Takeo", "" ] ]
We study the path from the string scale physics to the low-energy physics in the $SU(6) \times SU(2)_R$ string-inspired model with the flavor symmetry ${\bf Z}_M \times {\bf Z}_N \times \tilde{D}_4$. The flavor symmetry controls the mass spectra of heavy particles as well as those of quarks and leptons in the intermedi...
hep-ph/9901335
Hubert Spiesberger
C.Diaconu, J.Kalinowski, T.Matsushita, H.Spiesberger and D.S.Waters
High P_T Leptons and W Production at HERA
9 pages, 6 figures, LaTeX, uses iop style files and axodraw.sty. To appear in the proceedings of the 3rd UK Phenomenology Workshop on HERA Physics, September 1998, Durham (J.Phys.G: Nucl.Part.Phys.)
J.Phys.G25:1412-1417,1999
10.1088/0954-3899/25/7/318
CPPM-P-1999-01 (Marseille), IFT/98-20 (Warsaw), OUNP-99-02 (Oxford), MZ-TH/99-01 (Mainz)
hep-ph
null
Details are given of the observation by H1 of events containing high P_T leptons in addition to large missing P_T. A closely related ZEUS analysis, including a preliminary measurement of the W production cross section, is discussed and the two experiments are compared. Some possible non-Standard Model sources for the...
[ { "created": "Mon, 18 Jan 1999 09:58:39 GMT", "version": "v1" } ]
2008-11-26
[ [ "Diaconu", "C.", "" ], [ "Kalinowski", "J.", "" ], [ "Matsushita", "T.", "" ], [ "Spiesberger", "H.", "" ], [ "Waters", "D. S.", "" ] ]
Details are given of the observation by H1 of events containing high P_T leptons in addition to large missing P_T. A closely related ZEUS analysis, including a preliminary measurement of the W production cross section, is discussed and the two experiments are compared. Some possible non-Standard Model sources for the e...
2305.12566
Bartosz Fornal
Bartosz Fornal, Kassandra Garcia, Erika Pierre
Testing Unification and Dark Matter with Gravitational Waves
10 pages, 8 figures
Phys. Rev. D 108, 055022 (2023)
10.1103/PhysRevD.108.055022
null
hep-ph gr-qc
http://creativecommons.org/licenses/by/4.0/
We propose to search for a new type of gravitational wave signature relevant for particle physics models with symmetries broken at vastly different energy scales. The spectrum contains a characteristic double-peak structure consisting of a sharp peak from domain walls and a smooth bump from a first order phase transi...
[ { "created": "Sun, 21 May 2023 21:03:48 GMT", "version": "v1" } ]
2023-09-26
[ [ "Fornal", "Bartosz", "" ], [ "Garcia", "Kassandra", "" ], [ "Pierre", "Erika", "" ] ]
We propose to search for a new type of gravitational wave signature relevant for particle physics models with symmetries broken at vastly different energy scales. The spectrum contains a characteristic double-peak structure consisting of a sharp peak from domain walls and a smooth bump from a first order phase transiti...
hep-ph/0101294
Jaume Guasch
Santi Bejar, Jaume Guasch, Joan Sola
FCNC top quark decays beyond the Standard Model
17 pages, 7 figures. Invited talk presented by Joan Sola at the 5th International Symposium on Radiative Corrections (RADCOR 2000) Carmel CA, USA, 11-15 September, 2000
null
null
UAB-FT-506, KA-TP-1-2001
hep-ph
null
Flavor Changing Neutral Current decays of the top quark within the strict context of the Standard Model are known to be extremely rare. In fact, they are hopelessly undetectable at the Tevatron, LHC and LC in any of their scheduled upgradings. Therefore, if a few of these events eventually show up in the future we wi...
[ { "created": "Fri, 26 Jan 2001 09:58:02 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bejar", "Santi", "" ], [ "Guasch", "Jaume", "" ], [ "Sola", "Joan", "" ] ]
Flavor Changing Neutral Current decays of the top quark within the strict context of the Standard Model are known to be extremely rare. In fact, they are hopelessly undetectable at the Tevatron, LHC and LC in any of their scheduled upgradings. Therefore, if a few of these events eventually show up in the future we will...
hep-ph/0111079
Vladimir Yaryguine
V.Alferov, Y.Bordanovski, S.Klimov, V.Ilukin, V. Kuznetsov, O.Radin, A.Shalunov, A.Sytin, P.Vetrov, V.Yaryguine, V.Zapolsky, V. Zarucheisky (Institute for High Energy Physics, Protvino, Russia)
U-70 Proton Synchrotron Extracted Beam Lines Control System Modernization
3 pages, 2 figures, International Conference on Accelerator and Large Experimental Physics Control Systems San Jose, California, November 27-30, 2001
eConf C011127 (2001) WEAP026
null
WEAP026
hep-ph
null
A 70 GeV Proton Synchrotron Extracted Beam Lines Control System is described. About 130 Magnet Dipoles and Quadrupoles, 20 Correction Magnets, 50 Beam Collimators, BPM equipment spread over 1 Km have to be controlled. The old System was based on the PDP-11/40 and LSI-11 compatible computers and the MIL 1553 STD as a ...
[ { "created": "Wed, 7 Nov 2001 16:39:12 GMT", "version": "v1" } ]
2007-05-23
[ [ "Alferov", "V.", "", "Institute for High Energy Physics, Protvino, Russia" ], [ "Bordanovski", "Y.", "", "Institute for High Energy Physics, Protvino, Russia" ], [ "Klimov", "S.", "", "Institute for High Energy Physics, Protvino, Russia" ], [ "Ilukin...
A 70 GeV Proton Synchrotron Extracted Beam Lines Control System is described. About 130 Magnet Dipoles and Quadrupoles, 20 Correction Magnets, 50 Beam Collimators, BPM equipment spread over 1 Km have to be controlled. The old System was based on the PDP-11/40 and LSI-11 compatible computers and the MIL 1553 STD as a Fi...
hep-ph/9905415
Masahiro Yamaguchi
Pran Nath, Youichi Yamada and Masahiro Yamaguchi
Probing the Nature of Compactification with Kaluza-Klein Excitations at the Large Hadron Collider
17 pages, 6 figures
Phys.Lett. B466 (1999) 100-106
10.1016/S0370-2693(99)01141-7
TU-565
hep-ph
null
It is shown that the nature of compactification of extra dimensions in theories of large radius compactification can be explored in several processes at the Large Hadron Collider (LHC). Specifically it is shown that the characteristics of the Kaluza-Klein (KK) excitations encode information on the nature of compactif...
[ { "created": "Thu, 20 May 1999 08:57:35 GMT", "version": "v1" } ]
2009-10-31
[ [ "Nath", "Pran", "" ], [ "Yamada", "Youichi", "" ], [ "Yamaguchi", "Masahiro", "" ] ]
It is shown that the nature of compactification of extra dimensions in theories of large radius compactification can be explored in several processes at the Large Hadron Collider (LHC). Specifically it is shown that the characteristics of the Kaluza-Klein (KK) excitations encode information on the nature of compactific...
hep-ph/9909571
Silas R. Beane
Silas R. Beane
High Energy Theorems at Large-N
34 pages TeX and mtexsis.tex, 10 figures (uses epsf)
J.Phys.G27:727-754,2001
10.1088/0954-3899/27/4/301
DOE/ER/40762-170, NT@UW-99-53
hep-ph
null
Sum rules for products of two, three and four QCD currents are derived using chiral symmetry at infinite momentum in the large-N limit. These exact relations among meson decay constants, axialvector couplings and masses determine the asymptotic behavior of an infinite number of QCD correlators. The familiar spectral ...
[ { "created": "Thu, 30 Sep 1999 16:56:22 GMT", "version": "v1" } ]
2008-11-26
[ [ "Beane", "Silas R.", "" ] ]
Sum rules for products of two, three and four QCD currents are derived using chiral symmetry at infinite momentum in the large-N limit. These exact relations among meson decay constants, axialvector couplings and masses determine the asymptotic behavior of an infinite number of QCD correlators. The familiar spectral fu...
hep-ph/9505293
K. Milton
Kimball A. Milton
Julian Schwinger: Source Theory and the UCLA Years--- From Magnetic Charge to the Casimir Effect
15 pages, plain TeX, no figures, available through anonymous ftp from ftp://euclid.tp.ph.ic.ac.uk/papers/ or on WWW at http://euclid.tp.ph.ic.ac.uk/Papers/
null
10.1142/9789812830449_0018
OKHEP-95-05 and Imperial/TP/94-95/32
hep-ph hep-th
null
Julian Schwinger began the construction of Source Theory in 1966 in response to the then apparent failure of quantum field theory to describe strong interactions, the physical remoteness of renormalization, and the utility of effective actions in describing chiral dynamics. I will argue that the source theory develop...
[ { "created": "Fri, 12 May 1995 15:02:13 GMT", "version": "v1" } ]
2016-11-03
[ [ "Milton", "Kimball A.", "" ] ]
Julian Schwinger began the construction of Source Theory in 1966 in response to the then apparent failure of quantum field theory to describe strong interactions, the physical remoteness of renormalization, and the utility of effective actions in describing chiral dynamics. I will argue that the source theory developme...
2211.08420
Zhongtian Dong
Zhongtian Dong, Kyoungchul Kong, Konstantin T. Matchev, Katia Matcheva
Is the Machine Smarter than the Theorist: Deriving Formulas for Particle Kinematics with Symbolic Regression
15 pages, 13 figures, 8 tables
null
10.1103/PhysRevD.107.055018
null
hep-ph cs.AI cs.LG cs.SC hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We demonstrate the use of symbolic regression in deriving analytical formulas, which are needed at various stages of a typical experimental analysis in collider phenomenology. As a first application, we consider kinematic variables like the stransverse mass, $M_{T2}$, which are defined algorithmically through an opti...
[ { "created": "Tue, 15 Nov 2022 18:57:59 GMT", "version": "v1" } ]
2023-03-29
[ [ "Dong", "Zhongtian", "" ], [ "Kong", "Kyoungchul", "" ], [ "Matchev", "Konstantin T.", "" ], [ "Matcheva", "Katia", "" ] ]
We demonstrate the use of symbolic regression in deriving analytical formulas, which are needed at various stages of a typical experimental analysis in collider phenomenology. As a first application, we consider kinematic variables like the stransverse mass, $M_{T2}$, which are defined algorithmically through an optimi...
2004.09485
Daniel Moreno Torres
Thomas Mannel, Daniel Moreno, and Alexei Pivovarov
Heavy Quark Expansion for Heavy Hadron Lifetimes: Completing the $1/m_b^3$ Corrections
26 pages and 3 figures
null
null
SI-HEP-2020-09 SFB-257-P3H-20-015
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We complete the calculation of the contributions from the dimension six operators in the heavy quark expansion for the total lifetime of heavy hadrons. We give the expressions for the Wilson coefficients of the Darwin term $\rho_D$ and the spin-orbit term $\rho_{\rm LS}$ at tree level.
[ { "created": "Mon, 20 Apr 2020 17:59:35 GMT", "version": "v1" }, { "created": "Thu, 9 Dec 2021 15:26:10 GMT", "version": "v2" }, { "created": "Mon, 17 Jun 2024 15:28:13 GMT", "version": "v3" } ]
2024-06-18
[ [ "Mannel", "Thomas", "" ], [ "Moreno", "Daniel", "" ], [ "Pivovarov", "Alexei", "" ] ]
We complete the calculation of the contributions from the dimension six operators in the heavy quark expansion for the total lifetime of heavy hadrons. We give the expressions for the Wilson coefficients of the Darwin term $\rho_D$ and the spin-orbit term $\rho_{\rm LS}$ at tree level.
2008.02209
Pedro Cavalcanti Malta
D. Kroff, P.C. Malta
Constraining hidden photons via atomic force microscope measurements and the Plimpton-Lawton experiment
11 pages, 8 figures; matches published version
Phys. Rev. D 102, 095015 (2020)
10.1103/PhysRevD.102.095015
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Modifications to electrodynamics from physics beyond the Standard Model can be tested to a high accuracy. Here we use two setups to place bounds on hidden photons, an Abelian boson kinetically mixed with the photon. The first setup involves atomic force microscope measurements, originally designed to study the Casimi...
[ { "created": "Wed, 5 Aug 2020 16:25:06 GMT", "version": "v1" }, { "created": "Sun, 23 Aug 2020 19:00:33 GMT", "version": "v2" }, { "created": "Fri, 13 Nov 2020 18:56:32 GMT", "version": "v3" } ]
2020-11-16
[ [ "Kroff", "D.", "" ], [ "Malta", "P. C.", "" ] ]
Modifications to electrodynamics from physics beyond the Standard Model can be tested to a high accuracy. Here we use two setups to place bounds on hidden photons, an Abelian boson kinetically mixed with the photon. The first setup involves atomic force microscope measurements, originally designed to study the Casimir ...
hep-ph/0109192
Oleg G. Tkachev
V.A. Nikolaev, O.G. Tkachev
Skyrme Model Language in the Theory of Nucleons and Nuclei
15 pages, 8 figures
null
null
null
hep-ph
null
In this talk we try to clarify the problems existing on the way of theorist decided to construct nuclear theory on the generalized Skyrme model background. We conclude that to construct such a model of light nuclei one have to construct a hybrid model where one particle degrees of freedom are concentrated around the ...
[ { "created": "Fri, 21 Sep 2001 00:14:05 GMT", "version": "v1" } ]
2007-05-23
[ [ "Nikolaev", "V. A.", "" ], [ "Tkachev", "O. G.", "" ] ]
In this talk we try to clarify the problems existing on the way of theorist decided to construct nuclear theory on the generalized Skyrme model background. We conclude that to construct such a model of light nuclei one have to construct a hybrid model where one particle degrees of freedom are concentrated around the su...
hep-ph/9506427
Elizabeth H. Simmons
R.S. Chivukula, E.H. Simmons, and J. Terning
Limits on Non-Commuting Extended Technicolor
figures on hep-ph replaced with working versions! 20 pages, latex, 3 figures, figures also available at http://smyrd.bu.edu/htfigs/htfigs.html
Phys.Rev.D53:5258-5267,1996
10.1103/PhysRevD.53.5258
BUHEP-95-19
hep-ph
null
Using precision electroweak data, we put limits on non-commuting extended technicolor models. We conclude that these models are viable only if the ETC interactions are strong. Interestingly, these models predict a pattern of deviations from the standard model which can fit the data significantly better than the stand...
[ { "created": "Mon, 26 Jun 1995 18:58:28 GMT", "version": "v1" }, { "created": "Wed, 28 Jun 1995 20:16:54 GMT", "version": "v2" } ]
2008-11-26
[ [ "Chivukula", "R. S.", "" ], [ "Simmons", "E. H.", "" ], [ "Terning", "J.", "" ] ]
Using precision electroweak data, we put limits on non-commuting extended technicolor models. We conclude that these models are viable only if the ETC interactions are strong. Interestingly, these models predict a pattern of deviations from the standard model which can fit the data significantly better than the standar...
hep-ph/0612330
Hisakazu Minakata
Kunio Inoue, Hisakazu Minakata
Neutrino Physics around MeV Energies
6 pages, 2 figures, Conveners' report for NOW2006 Proceedings
Nucl.Phys.Proc.Suppl.168:389-394,2007
10.1016/j.nuclphysbps.2007.02.095
null
hep-ph hep-ex
null
We present a brief informative overview of a broad ranges of subjects, the solar, the reactor, the geo and the supernova neutrinos (but without excluding possible biases), the topics which consist of the session ``Neutrino Physics around MeV Energies'' in NOW2006. Contrary to the naive expectation, the field is found...
[ { "created": "Mon, 25 Dec 2006 13:58:24 GMT", "version": "v1" } ]
2008-11-26
[ [ "Inoue", "Kunio", "" ], [ "Minakata", "Hisakazu", "" ] ]
We present a brief informative overview of a broad ranges of subjects, the solar, the reactor, the geo and the supernova neutrinos (but without excluding possible biases), the topics which consist of the session ``Neutrino Physics around MeV Energies'' in NOW2006. Contrary to the naive expectation, the field is found t...
2106.00681
Robert Ehrlich
Robert Ehrlich
The KATRIN neutrino mass results: An alternative interpretation
arXiv admin note: text overlap with arXiv:2101.08128
null
null
null
hep-ph
http://creativecommons.org/publicdomain/zero/1.0/
The KATRIN experiment has recently reported a new upper limit to the mass of the electron neutrino of $m<0.8 eV$ (90\%CL), and a best value of $m^2= 0.26 \pm 0.34 eV^2/c^4$ based on a fit to the observed tritium beta decay spectrum. Here another interpretation of their results is discussed.
[ { "created": "Tue, 1 Jun 2021 13:15:09 GMT", "version": "v1" }, { "created": "Mon, 2 Aug 2021 17:07:20 GMT", "version": "v2" }, { "created": "Wed, 1 Sep 2021 20:42:36 GMT", "version": "v3" }, { "created": "Sun, 21 Nov 2021 19:22:17 GMT", "version": "v4" } ]
2021-11-23
[ [ "Ehrlich", "Robert", "" ] ]
The KATRIN experiment has recently reported a new upper limit to the mass of the electron neutrino of $m<0.8 eV$ (90\%CL), and a best value of $m^2= 0.26 \pm 0.34 eV^2/c^4$ based on a fit to the observed tritium beta decay spectrum. Here another interpretation of their results is discussed.
hep-ph/0111362
Yuri V. Kovchegov
Yuri V. Kovchegov, Kirill Tuchin (University of Washington)
Inclusive Gluon Production in DIS at High Parton Density
22 pages, 7 figures, REVTeX
Phys.Rev. D65 (2002) 074026
10.1103/PhysRevD.65.074026
NT@UW-01-027, INT-PUB-01-25
hep-ph nucl-th
null
We calculate the cross section of a single inclusive gluon production in deep inelastic scattering at very high energies in the saturation regime, where the parton densities inside hadrons and nuclei are large and the evolution of structure functions with energy is nonlinear. The expression we obtain for the inclusiv...
[ { "created": "Wed, 28 Nov 2001 03:53:49 GMT", "version": "v1" } ]
2009-11-07
[ [ "Kovchegov", "Yuri V.", "", "University of Washington" ], [ "Tuchin", "Kirill", "", "University of Washington" ] ]
We calculate the cross section of a single inclusive gluon production in deep inelastic scattering at very high energies in the saturation regime, where the parton densities inside hadrons and nuclei are large and the evolution of structure functions with energy is nonlinear. The expression we obtain for the inclusive ...
2211.10249
Wei-Jie Fu
Yang-yang Tan and Chuang Huang and Yong-rui Chen and Wei-jie Fu
Criticality of the $O(N)$ universality via global solutions to nonperturbative fixed-point equations
10 pages, 4 figures, 1 table; v2: minor changes, discussions and references added
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
Fixed-point equations in the functional renormalization group approach are integrated from large to vanishing field, where an asymptotic potential in the limit of large field is implemented as initial conditions. This approach allows us to obtain a global fixed-point potential with high numerical accuracy, that incor...
[ { "created": "Fri, 18 Nov 2022 14:10:20 GMT", "version": "v1" }, { "created": "Sat, 8 Apr 2023 03:02:20 GMT", "version": "v2" } ]
2023-04-11
[ [ "Tan", "Yang-yang", "" ], [ "Huang", "Chuang", "" ], [ "Chen", "Yong-rui", "" ], [ "Fu", "Wei-jie", "" ] ]
Fixed-point equations in the functional renormalization group approach are integrated from large to vanishing field, where an asymptotic potential in the limit of large field is implemented as initial conditions. This approach allows us to obtain a global fixed-point potential with high numerical accuracy, that incorpo...
hep-ph/9803442
Floarea Stancu
Fl. Stancu (U. of Liege)
Positive parity pentaquarks in a Goldstone boson exchange model
13 pages, RevTeX
Phys.Rev.D58:111501,1998
10.1103/PhysRevD.58.111501
ULG-PNT-98-1-J
hep-ph
null
We study the stability of the pentaquarks uuddQbar, uudsQbar and udssQbar (Q = c, b, or t) of positive parity in a constituent quark model based on Goldstone boson exchange interaction between quarks. The pentaquark parity is the antiquark parity times that of a quark excited to a p-shell. We show that the Goldstone ...
[ { "created": "Wed, 25 Mar 1998 10:21:59 GMT", "version": "v1" } ]
2009-12-30
[ [ "Stancu", "Fl.", "", "U. of Liege" ] ]
We study the stability of the pentaquarks uuddQbar, uudsQbar and udssQbar (Q = c, b, or t) of positive parity in a constituent quark model based on Goldstone boson exchange interaction between quarks. The pentaquark parity is the antiquark parity times that of a quark excited to a p-shell. We show that the Goldstone bo...
hep-ph/0007025
Juan Antonio Aguilar Saavedra
J. A. Aguilar-Saavedra, G. C. Branco
Unitarity triangles and geometrical description of CP violation with Majorana neutrinos
Revtex, 6 pages, 5 eps figures. Some typos fixed and a reference added. To appear in PRD
Phys.Rev. D62 (2000) 096009
10.1103/PhysRevD.62.096009
UG-FT-117/00
hep-ph
null
We generalize the geometrical description of CP violation in the Standard Model in terms of a unitarity triangle. For three left-handed Majorana neutrinos CP violation in the lepton sector is determined by three unitarity triangles. With three additional right-handed neutrinos 15 quadrangles are required to character...
[ { "created": "Tue, 4 Jul 2000 09:47:34 GMT", "version": "v1" }, { "created": "Mon, 7 Aug 2000 10:28:16 GMT", "version": "v2" } ]
2009-10-31
[ [ "Aguilar-Saavedra", "J. A.", "" ], [ "Branco", "G. C.", "" ] ]
We generalize the geometrical description of CP violation in the Standard Model in terms of a unitarity triangle. For three left-handed Majorana neutrinos CP violation in the lepton sector is determined by three unitarity triangles. With three additional right-handed neutrinos 15 quadrangles are required to characteriz...
hep-ph/0511012
Denis A. Suprun
Amarjit Soni and Denis A. Suprun
Determination of gamma from charmless B^+/- -> M^0 M^+/- decays using U-spin
5 pages; minor changes, further clarification on key differences with the SU(3) approach; added references
Phys.Lett.B635:330-334,2006
10.1016/j.physletb.2006.02.063
null
hep-ph
null
U-spin multiplet approach is applied to the full set of charmless hadronic B+/- --> M0 M+/- decays for the purpose of precise extraction of the unitarity angle gamma. Each of the four data sets, P0 P+/-, P0 V+/-, V0 P+/- and V0 V+/-, with P = pseudoscalar and V = vector, can be used to yield a precise value of gamma....
[ { "created": "Wed, 2 Nov 2005 20:20:35 GMT", "version": "v1" }, { "created": "Mon, 14 Nov 2005 19:57:20 GMT", "version": "v2" }, { "created": "Fri, 27 Jan 2006 20:25:53 GMT", "version": "v3" }, { "created": "Sat, 28 Jan 2006 21:58:12 GMT", "version": "v4" } ]
2010-11-05
[ [ "Soni", "Amarjit", "" ], [ "Suprun", "Denis A.", "" ] ]
U-spin multiplet approach is applied to the full set of charmless hadronic B+/- --> M0 M+/- decays for the purpose of precise extraction of the unitarity angle gamma. Each of the four data sets, P0 P+/-, P0 V+/-, V0 P+/- and V0 V+/-, with P = pseudoscalar and V = vector, can be used to yield a precise value of gamma. T...
hep-ph/9709378
Ramon Miquel
Ramon Miquel (Univ. de Barcelona)
New Physics at LEP2
LaTeX, 15 pages, 7 eps figures, needs iopconf1.sty, included. To appear in the proceedings of "Beyond the Desert", Castle Ringberg, Tegernsee, Germany, 8-14 June 1997
null
null
null
hep-ph hep-ex
null
Searches for new physics in the first year of running of LEP2, at energies of 161 and 172 GeV, are summarized. After a short review of WW results and their implications on new physics, searches for the Higgs boson and SUSY particles, analyses of four-jet final states and constraints on possible explanations for the H...
[ { "created": "Wed, 17 Sep 1997 14:38:58 GMT", "version": "v1" } ]
2007-05-23
[ [ "Miquel", "Ramon", "", "Univ. de Barcelona" ] ]
Searches for new physics in the first year of running of LEP2, at energies of 161 and 172 GeV, are summarized. After a short review of WW results and their implications on new physics, searches for the Higgs boson and SUSY particles, analyses of four-jet final states and constraints on possible explanations for the HER...
1311.0921
Nobuchika Okada
Nobuchika Okada, Qaisar Shafi
Observable Gravity Waves From U(1)_${B-L}$ Higgs and Coleman-Weinberg Inflation
4 pages, 4 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a realistic non-supersymmetric inflation model based on a gauged U(1)$_{B-L}$ symmetry and a tree-level Higgs potential. The inflaton is identified with the scalar field which spontaneously breaks U(1)$_{B-L}$, and we include radiative corrections \`a la Coleman-Weinberg in the inflaton potential. If the s...
[ { "created": "Mon, 4 Nov 2013 23:04:30 GMT", "version": "v1" } ]
2013-11-06
[ [ "Okada", "Nobuchika", "" ], [ "Shafi", "Qaisar", "" ] ]
We present a realistic non-supersymmetric inflation model based on a gauged U(1)$_{B-L}$ symmetry and a tree-level Higgs potential. The inflaton is identified with the scalar field which spontaneously breaks U(1)$_{B-L}$, and we include radiative corrections \`a la Coleman-Weinberg in the inflaton potential. If the sca...
2405.15386
Stefan Diehl
Stefan Diehl, Kyungseon Joo, Kirill Semenov-Tian-Shansky, Christian Weiss, Vladimir Braun, Wen-Chen Chang, Pierre Chatagnon, Martha Constantinou, Yuxun Guo, Parada T. P. Hutauruk, Hyon-Suk Jo, Andrey Kim, Jun-Young Kim, Peter Kroll, Shunzo Kumano, Chang-Hwan Lee, Simonetta Liuti, Ronan McNulty, Hyeon-Dong Son, ...
Exploring Baryon Resonances with Transition Generalized Parton Distributions: Status and Perspectives
null
null
null
JLAB-THY-24-4071
hep-ph hep-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
QCD gives rise to a rich spectrum of excited baryon states. Understanding their internal structure is important for many areas of nuclear physics, such as nuclear forces, dense matter, and neutrino-nucleus interactions. Generalized parton distributions (GPDs) are an established tool for characterizing the QCD structu...
[ { "created": "Fri, 24 May 2024 09:36:03 GMT", "version": "v1" } ]
2024-05-27
[ [ "Diehl", "Stefan", "" ], [ "Joo", "Kyungseon", "" ], [ "Semenov-Tian-Shansky", "Kirill", "" ], [ "Weiss", "Christian", "" ], [ "Braun", "Vladimir", "" ], [ "Chang", "Wen-Chen", "" ], [ "Chatagnon", "Pierre", ...
QCD gives rise to a rich spectrum of excited baryon states. Understanding their internal structure is important for many areas of nuclear physics, such as nuclear forces, dense matter, and neutrino-nucleus interactions. Generalized parton distributions (GPDs) are an established tool for characterizing the QCD structure...
0910.5395
Anton Ilderton
Anton Ilderton, Martin Lavelle, David McMullan
Physical charges in QED and QCD
Talk given at the International Workshop on QCD Green's Functions, Confinement and Phenomenology, September 7-11 2009, ECT Trento, Italy. 8 pages, 3 pdf figures. V2: references added, to appear in PoS
PoS QCD-TNT09:019,2009
null
TCDMATH 09-23
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that the `dressing' approach, which describes physical charges as gauge invariant composites of matter and clouds of gauge bosons, arises naturally in gauge theories. We give perturbative examples of dressings for both asymptotic charges and for states in which the fields are confined to a compact volume as i...
[ { "created": "Wed, 28 Oct 2009 14:49:27 GMT", "version": "v1" }, { "created": "Fri, 4 Dec 2009 08:28:48 GMT", "version": "v2" } ]
2014-11-20
[ [ "Ilderton", "Anton", "" ], [ "Lavelle", "Martin", "" ], [ "McMullan", "David", "" ] ]
We show that the `dressing' approach, which describes physical charges as gauge invariant composites of matter and clouds of gauge bosons, arises naturally in gauge theories. We give perturbative examples of dressings for both asymptotic charges and for states in which the fields are confined to a compact volume as is ...
hep-ph/9609263
null
Stefano Catani (INFN Firenze)
Physical Anomalous Dimensions at Small $x$
26 pages, LateX
Z.Phys.C75:665-678,1997
10.1007/s002880050512
DFF 248/4/96
hep-ph
null
I present a theoretical discussion of the uncertainties related to the QCD analysis of the proton structure function $F_2(x,Q^2)$ at small $x$. The role played by the `unphysical' gluon density is pointed out. It is shown how the study of more observables can reduce the theoretical uncertainty and, in particular, an ...
[ { "created": "Thu, 5 Sep 1996 13:23:19 GMT", "version": "v1" } ]
2008-11-26
[ [ "Catani", "Stefano", "", "INFN Firenze" ] ]
I present a theoretical discussion of the uncertainties related to the QCD analysis of the proton structure function $F_2(x,Q^2)$ at small $x$. The role played by the `unphysical' gluon density is pointed out. It is shown how the study of more observables can reduce the theoretical uncertainty and, in particular, an al...
hep-ph/9412348
null
S. Frixione, M. L. Mangano, P. Nason and G. Ridolfi
Total Cross Sections for Heavy Flavour Production at HERA
20 pages, Latex and style files tarred, gzipped and uuencoded; 10 postscript figures appended at the end (look for %%%%figures) as tarred, gzipped and uuencoded file
Phys.Lett.B348:633-645,1995
10.1016/0370-2693(95)00163-F
CERN-TH.7527/94, GEF-TH-9/1994, IFUM 487/FT
hep-ph
null
We compute total cross sections for charm and bottom photoproduction at HERA energies, and discuss the relevant theoretical uncertainties. In particular we discuss the problems arising from the small-$x$ region, the uncertainties in the gluon parton density, and the uncertainties in the hadronic component of the cros...
[ { "created": "Wed, 21 Dec 1994 16:07:32 GMT", "version": "v1" } ]
2008-11-26
[ [ "Frixione", "S.", "" ], [ "Mangano", "M. L.", "" ], [ "Nason", "P.", "" ], [ "Ridolfi", "G.", "" ] ]
We compute total cross sections for charm and bottom photoproduction at HERA energies, and discuss the relevant theoretical uncertainties. In particular we discuss the problems arising from the small-$x$ region, the uncertainties in the gluon parton density, and the uncertainties in the hadronic component of the cross ...
2408.04255
Hee Sok Chung
Hee Sok Chung, U-Rae Kim, Jungil Lee
Resummation of threshold double logarithms in hadroproduction of heavy quarkonium
6 pages, 2 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We resum threshold double logarithms that appear in inclusive production of heavy quarkonium. This resolves the catastrophic failure of fixed-order perturbation theory where quarkonium cross sections at large transverse momentum can turn negative due to large radiative corrections. We find that resummation is imperat...
[ { "created": "Thu, 8 Aug 2024 06:48:29 GMT", "version": "v1" } ]
2024-08-09
[ [ "Chung", "Hee Sok", "" ], [ "Kim", "U-Rae", "" ], [ "Lee", "Jungil", "" ] ]
We resum threshold double logarithms that appear in inclusive production of heavy quarkonium. This resolves the catastrophic failure of fixed-order perturbation theory where quarkonium cross sections at large transverse momentum can turn negative due to large radiative corrections. We find that resummation is imperativ...
1601.00799
Igor Lokhtin P.
I.P. Lokhtin, A.V. Belyaev, G.Kh. Eyyubova, G. Ponimatkin, E.Yu. Pronina
Charmed meson and charmonium production in PbPb collisions at the LHC
15 pages including 8 figures as EPS-files; prepared using LaTeX package for publication in the Journal of Physics G
J.Phys. G: Nucl. Part. Phys. 43 (2016) 125104
10.1088/0954-3899/43/12/125104
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The phenomenological analysis of various characteristics of $J/\psi$ and $D$ meson production in PbPb collisions at the center-of-mass energy 2.76 TeV per nucleon pair is presented. The data on momentum spectra and elliptic flow are reproduced by two-component model HYDJET++ including thermal and non-thermal charm pr...
[ { "created": "Tue, 5 Jan 2016 11:42:17 GMT", "version": "v1" }, { "created": "Sun, 1 May 2016 09:49:25 GMT", "version": "v2" }, { "created": "Tue, 20 Sep 2016 11:31:40 GMT", "version": "v3" }, { "created": "Wed, 5 Oct 2016 18:04:44 GMT", "version": "v4" } ]
2016-11-11
[ [ "Lokhtin", "I. P.", "" ], [ "Belyaev", "A. V.", "" ], [ "Eyyubova", "G. Kh.", "" ], [ "Ponimatkin", "G.", "" ], [ "Pronina", "E. Yu.", "" ] ]
The phenomenological analysis of various characteristics of $J/\psi$ and $D$ meson production in PbPb collisions at the center-of-mass energy 2.76 TeV per nucleon pair is presented. The data on momentum spectra and elliptic flow are reproduced by two-component model HYDJET++ including thermal and non-thermal charm prod...
1304.7080
Kunihiko Terasaki
Kunihiko Terasaki
Decay Property of Axial-Vector Tetra-Quark Mesons
6 pages, 0 figures, typos corrected, description clarified
null
null
YITP-13-31
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Decay property of hidden-charm tetra-quark mesons is studied. It is seen that estimated width of iso-triplet odd $\mathcal{C}$ partners of X(3872), although still crude, is compatible with the measured ones of Z_c(3900). It is pointed out that confirmation of an eta-pi^0 peak around 3.2 GeV indicated in gamma-gamma c...
[ { "created": "Fri, 26 Apr 2013 07:32:38 GMT", "version": "v1" }, { "created": "Fri, 11 Oct 2013 06:44:49 GMT", "version": "v2" }, { "created": "Tue, 15 Oct 2013 01:31:59 GMT", "version": "v3" }, { "created": "Wed, 16 Oct 2013 04:31:27 GMT", "version": "v4" }, { "c...
2013-11-08
[ [ "Terasaki", "Kunihiko", "" ] ]
Decay property of hidden-charm tetra-quark mesons is studied. It is seen that estimated width of iso-triplet odd $\mathcal{C}$ partners of X(3872), although still crude, is compatible with the measured ones of Z_c(3900). It is pointed out that confirmation of an eta-pi^0 peak around 3.2 GeV indicated in gamma-gamma col...
2011.12285
Wen Yin
Takeo Moroi and Wen Yin
Particle Production from Oscillating Scalar Field and Consistency of Boltzmann Equation
21 pages, 5 figures, 2 tables, version to appear in JHEP
null
null
null
hep-ph astro-ph.CO gr-qc hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Boltzmann equation plays important roles in particle cosmology in studying the evolution of distribution functions (also called as occupation numbers) of various particles. For the case of the decay of a scalar condensation $\phi$ into a pair of scalar particles (called $\chi$), we point out that the system may not b...
[ { "created": "Tue, 24 Nov 2020 18:55:04 GMT", "version": "v1" }, { "created": "Tue, 30 Mar 2021 10:06:19 GMT", "version": "v2" } ]
2021-03-31
[ [ "Moroi", "Takeo", "" ], [ "Yin", "Wen", "" ] ]
Boltzmann equation plays important roles in particle cosmology in studying the evolution of distribution functions (also called as occupation numbers) of various particles. For the case of the decay of a scalar condensation $\phi$ into a pair of scalar particles (called $\chi$), we point out that the system may not be ...
hep-ph/9702425
Naoto Tsutsui
Michihiro Hirata, Naoto Tsutsui
Phenomenological interaction between current quarks
18 pages, LaTeX
Phys.Rev. D56 (1997) 5696-5702
10.1103/PhysRevD.56.5696
HUPD-9703
hep-ph
null
We construct a phenomenological model which describes the dynamical chiral symmetry breaking (DCSB) of QCD vacuum and reproduces meson spectra. Quark condensates, the pion decay constant, and meson spectra are well reproduced by phenomenological interaction which consists of a linear confining potential, a Coulombic ...
[ { "created": "Wed, 26 Feb 1997 13:24:11 GMT", "version": "v1" } ]
2009-10-30
[ [ "Hirata", "Michihiro", "" ], [ "Tsutsui", "Naoto", "" ] ]
We construct a phenomenological model which describes the dynamical chiral symmetry breaking (DCSB) of QCD vacuum and reproduces meson spectra. Quark condensates, the pion decay constant, and meson spectra are well reproduced by phenomenological interaction which consists of a linear confining potential, a Coulombic po...
hep-ph/0110401
Ahmet T. Alan
A. T. Alan and S. Sultansoy
Production and Decay of Sneutrino and Squarks at Lepton-Hadron Colliders
6 pages, 1 eps figure, REVTEX4
Phys.Scripta 66 (2002) 20-21
10.1238/Physica.Regular.066a00020
null
hep-ph
null
We investigate the potentials of future high energy lepton-proton colliders to detect supersymmetric particles in the charged current type $lp\to\tilde\nu_l\tilde qX$, $l=e,\mu$, reactions. We also study their decays by using the mass spectrum given in the Technical Design Report of ATLAS Collaboration (SUGRA Point 6...
[ { "created": "Wed, 31 Oct 2001 12:28:46 GMT", "version": "v1" }, { "created": "Mon, 5 Nov 2001 14:10:47 GMT", "version": "v2" } ]
2009-11-07
[ [ "Alan", "A. T.", "" ], [ "Sultansoy", "S.", "" ] ]
We investigate the potentials of future high energy lepton-proton colliders to detect supersymmetric particles in the charged current type $lp\to\tilde\nu_l\tilde qX$, $l=e,\mu$, reactions. We also study their decays by using the mass spectrum given in the Technical Design Report of ATLAS Collaboration (SUGRA Point 6 c...
1310.4675
Christophe Royon
C. Royon
Forward physics with tagged protons at the LHC: QCD and anomalous couplings
Proceedings of the Low x 2013 workshop, May 30 - June 4 2013, Rehovot and Eilat, Israel
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present some physics topics that can be studied at the LHC using proton tagging. We distinguish the QCD (Pomeron structure, BFKL analysis...) from the exploratory physics topics (HIggs boson, anomalous couplings between photons and $W/Z$ bosons
[ { "created": "Thu, 17 Oct 2013 12:40:02 GMT", "version": "v1" } ]
2013-10-18
[ [ "Royon", "C.", "" ] ]
We present some physics topics that can be studied at the LHC using proton tagging. We distinguish the QCD (Pomeron structure, BFKL analysis...) from the exploratory physics topics (HIggs boson, anomalous couplings between photons and $W/Z$ bosons
hep-ph/0306201
Krzysztof Urbanowski
K. Urbanowski
CPT symmetry and properties of the exact and approximate effective Hamiltonians for the neutral kaon complex
LaTex2e, 18 pages, Talk given at the conference on "Symmetry in Nonlinear Mathematical Physics", June 23 -- 29, 2003, Institute of Mathematics, National Academy of Sciences of Ukraine, Kiev, Ukraine; typos corrected
EconfC0306234:973-980,2003
null
null
hep-ph
null
We start from a discussion of the general form and general CP-- and CPT-- transformation properties of the Lee--Oehme--Yang (LOY) effective Hamiltonian for the neutral kaon complex. Next we show that there exists an approximation which is more accurate than the LOY, and which leads to an effective Hamiltonian whose d...
[ { "created": "Sun, 22 Jun 2003 08:08:19 GMT", "version": "v1" }, { "created": "Sun, 6 Jul 2003 15:29:06 GMT", "version": "v2" }, { "created": "Mon, 14 Jul 2003 13:46:47 GMT", "version": "v3" } ]
2008-11-26
[ [ "Urbanowski", "K.", "" ] ]
We start from a discussion of the general form and general CP-- and CPT-- transformation properties of the Lee--Oehme--Yang (LOY) effective Hamiltonian for the neutral kaon complex. Next we show that there exists an approximation which is more accurate than the LOY, and which leads to an effective Hamiltonian whose dia...
0803.3811
Andrew Blechman
Andrew E. Blechman, Siew-Phang Ng
QCD Corrections to K-Kbar Mixing in R-symmetric Supersymmetric Models
11 pages, 11 pdf-figures; updated acknowledgments and references, clarified relationship to Ref[17], clarified CP-violation section
JHEP 0806:043,2008
10.1088/1126-6708/2008/06/043
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The leading-log QCD corrections to K-Kbar mixing in R-symmetric supersymmetric models are computed using effective field theory techniques. The spectrum topology where the gluino is significantly heavier than the squarks is motivated and focused on. It is found that, like in the MSSM, QCD corrections can tighten the ...
[ { "created": "Thu, 27 Mar 2008 19:28:35 GMT", "version": "v1" }, { "created": "Wed, 9 Apr 2008 17:59:17 GMT", "version": "v2" } ]
2009-11-13
[ [ "Blechman", "Andrew E.", "" ], [ "Ng", "Siew-Phang", "" ] ]
The leading-log QCD corrections to K-Kbar mixing in R-symmetric supersymmetric models are computed using effective field theory techniques. The spectrum topology where the gluino is significantly heavier than the squarks is motivated and focused on. It is found that, like in the MSSM, QCD corrections can tighten the ka...
1403.6535
Dario Buttazzo
Dario Buttazzo
Implications of the discovery of a Higgs boson with a mass of 125 GeV
PhD thesis. 223 pages, 46 figures, 24 tables
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The rather precise knowledge of the mass of the Higgs boson and of its couplings has important consequences for the physical phenomena taking place at the Fermi scale. We analyze some of these implications in the most motivated frameworks for physics at that energies - supersymmetry, models of a composite Higgs boson...
[ { "created": "Wed, 26 Mar 2014 00:11:59 GMT", "version": "v1" } ]
2014-03-27
[ [ "Buttazzo", "Dario", "" ] ]
The rather precise knowledge of the mass of the Higgs boson and of its couplings has important consequences for the physical phenomena taking place at the Fermi scale. We analyze some of these implications in the most motivated frameworks for physics at that energies - supersymmetry, models of a composite Higgs boson, ...
1311.2380
Seungwon Baek
Seungwon Baek, Hiroshi Okada
Hidden Sector Dark Matter with Global $U(1)_X$-symmetry and Fermi-LAT 130 GeV $\gamma$-ray Excess
5 pages, 2 figures; minor changes
null
10.1016/j.physletb.2013.12.033
KIAS-P13062
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We suggest a dark matter scenario which could contribute the possible anomaly observed by Fermi-LAT $\gamma$-ray space telescope. It is based on the model recently proposed by Weinberg. In our scenario the gamma-ray line signal comes from the fermionic dark matter ($M_{\rm DM}=214 $ GeV) annihilating into two light s...
[ { "created": "Mon, 11 Nov 2013 08:36:35 GMT", "version": "v1" }, { "created": "Mon, 18 Nov 2013 07:02:13 GMT", "version": "v2" }, { "created": "Mon, 9 Dec 2013 01:17:54 GMT", "version": "v3" } ]
2015-06-17
[ [ "Baek", "Seungwon", "" ], [ "Okada", "Hiroshi", "" ] ]
We suggest a dark matter scenario which could contribute the possible anomaly observed by Fermi-LAT $\gamma$-ray space telescope. It is based on the model recently proposed by Weinberg. In our scenario the gamma-ray line signal comes from the fermionic dark matter ($M_{\rm DM}=214 $ GeV) annihilating into two light sca...
1502.07968
Luca Di Luzio
Borut Bajc, Luca Di Luzio
R-parity violation in SU(5)
30 pages, 1 figure. Revised version. To appear in JHEP
null
null
CETUP2013-033, NORDITA-2015-23
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that judiciously chosen R-parity violating terms in the minimal renormalizable supersymmetric SU(5) are able to correct all the phenomenologically wrong mass relations between down quarks and charged leptons. The model can accommodate neutrino masses as well. One of the most striking consequences is a large m...
[ { "created": "Fri, 27 Feb 2015 16:55:45 GMT", "version": "v1" }, { "created": "Tue, 21 Jul 2015 07:22:10 GMT", "version": "v2" } ]
2015-07-22
[ [ "Bajc", "Borut", "" ], [ "Di Luzio", "Luca", "" ] ]
We show that judiciously chosen R-parity violating terms in the minimal renormalizable supersymmetric SU(5) are able to correct all the phenomenologically wrong mass relations between down quarks and charged leptons. The model can accommodate neutrino masses as well. One of the most striking consequences is a large mix...
2303.16586
Rui Vilela-Mendes
R. Vilela Mendes
T violation and the dark sector
6 pages Latex
null
null
null
hep-ph astro-ph.HE
http://creativecommons.org/licenses/by/4.0/
It is argued, as a working hypothesis, that "normal" and dark matter interactions can only be T and CP violating. One way to implement this idea is to consider that time reversal in dark matter is implemented, not by an antiunitary operator, but by a unitary operator. It is shown how this occurs naturally in the cont...
[ { "created": "Wed, 29 Mar 2023 10:43:32 GMT", "version": "v1" } ]
2023-03-30
[ [ "Mendes", "R. Vilela", "" ] ]
It is argued, as a working hypothesis, that "normal" and dark matter interactions can only be T and CP violating. One way to implement this idea is to consider that time reversal in dark matter is implemented, not by an antiunitary operator, but by a unitary operator. It is shown how this occurs naturally in the contex...
1608.03111
Ping Wang
Hongna Li and Ping Wang
Chiral extrapolation of nucleon axial charge $g_A$ in effective field theory
5 pages, 5 figures
null
10.1088/1674-1137/40/12/123106
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The extrapolation of nucleon axial charge $g_A$ is investigated within the framework of heavy baryon chiral effective field theory. The intermediate octet and decuplet baryons are included in the one loop calculation. Finite range regularization is applied to improve the convergence in the quark-mass expansion. The l...
[ { "created": "Wed, 10 Aug 2016 10:06:13 GMT", "version": "v1" } ]
2017-01-04
[ [ "Li", "Hongna", "" ], [ "Wang", "Ping", "" ] ]
The extrapolation of nucleon axial charge $g_A$ is investigated within the framework of heavy baryon chiral effective field theory. The intermediate octet and decuplet baryons are included in the one loop calculation. Finite range regularization is applied to improve the convergence in the quark-mass expansion. The lat...
2012.04323
Oliver Witzel
Jonathan M. Flynn, Ryan C. Hill, Andreas J\"uttner, Amarjit Soni, J. Tobias Tsang, Oliver Witzel
Nonperturbative calculations of form factors for exclusive semileptonic $B_{(s)}$ decays
6 pages, 3 figures, Proceedings of The 40th International Conference on High Energy Physics, ICHEP-2020; Jul 28-Aug 6, 2020, Prague, Czech Republic
null
null
SI-HEP-2020-33
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Precise theoretical predictions derived from the Standard Model are a key ingredient in searches for new physics in the flavor sector. The large mass and long lifetime of the $b$ quark make processes involving $b$ quarks of particular interest. We use lattice simulations to perform nonperturbative QCD calculations fo...
[ { "created": "Tue, 8 Dec 2020 09:54:42 GMT", "version": "v1" } ]
2020-12-09
[ [ "Flynn", "Jonathan M.", "" ], [ "Hill", "Ryan C.", "" ], [ "Jüttner", "Andreas", "" ], [ "Soni", "Amarjit", "" ], [ "Tsang", "J. Tobias", "" ], [ "Witzel", "Oliver", "" ] ]
Precise theoretical predictions derived from the Standard Model are a key ingredient in searches for new physics in the flavor sector. The large mass and long lifetime of the $b$ quark make processes involving $b$ quarks of particular interest. We use lattice simulations to perform nonperturbative QCD calculations for ...
2210.08522
Ying Li
Zhi-Tian Zou, Wen-Sheng Fang, Xin Liu, Ying Li
Analysis of CKM-Favored Quasi-Two-Body $B \to D (R\to) K \pi$ Decays in PQCD Approach
18 pages, 1 figures
null
10.1140/epjc/s10052-022-11060-y
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
LHCb Collaboration studied the resonant structure of $B_s\to \overline{D}^0K^-\pi^+$ decays using the Dalitz plot analysis technique, based on a data sample corresponding to an integrated luminosity of $3.0{\rm fb}^{-1}$ of $pp$ collision. The $K^-\pi^+$ components have been analyzed in the amplitude model, where the...
[ { "created": "Sun, 16 Oct 2022 12:50:24 GMT", "version": "v1" } ]
2022-12-14
[ [ "Zou", "Zhi-Tian", "" ], [ "Fang", "Wen-Sheng", "" ], [ "Liu", "Xin", "" ], [ "Li", "Ying", "" ] ]
LHCb Collaboration studied the resonant structure of $B_s\to \overline{D}^0K^-\pi^+$ decays using the Dalitz plot analysis technique, based on a data sample corresponding to an integrated luminosity of $3.0{\rm fb}^{-1}$ of $pp$ collision. The $K^-\pi^+$ components have been analyzed in the amplitude model, where the d...
2006.16027
Hua-Xing Chen
Hua-Xing Chen, Wei Chen, Xiang Liu and Shi-Lin Zhu
Strong decays of fully-charm tetraquarks into di-charmonia
8 pages, 1 figure, 3 tables, to be published in Science Bulletin
Sci. Bull. 65 (2020) 1994-2000
10.1016/j.scib.2020.08.038
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study strong decays of the possible fully-charm tetraquarks recently observed by LHCb, and calculate their relative branching ratios through the Fierz rearrangement. Together with our previous QCD sum rule study [Phys. Lett. B 773, 247 (2017)], our results suggest that the broad structure around $6.2$-$6.8$ GeV ca...
[ { "created": "Mon, 29 Jun 2020 13:17:24 GMT", "version": "v1" }, { "created": "Sun, 30 Aug 2020 02:44:07 GMT", "version": "v2" } ]
2020-10-19
[ [ "Chen", "Hua-Xing", "" ], [ "Chen", "Wei", "" ], [ "Liu", "Xiang", "" ], [ "Zhu", "Shi-Lin", "" ] ]
We study strong decays of the possible fully-charm tetraquarks recently observed by LHCb, and calculate their relative branching ratios through the Fierz rearrangement. Together with our previous QCD sum rule study [Phys. Lett. B 773, 247 (2017)], our results suggest that the broad structure around $6.2$-$6.8$ GeV can ...
2012.10144
Xuangong Wang
X. G. Wang, A. W. Thomas
Relativistic mean-field corrections for interactions of dark matter particles with nucleons
9 pages, 1 table
Phys. Rev. C 103, 034606 (2021)
10.1103/PhysRevC.103.034606
ADP-20-36/T1146
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the interactions of weakly interacting massive particles (WIMPS) with nucleons in nuclear medium by taking into account the effect of nuclear dynamics. We derive the nonrelativistic effective operators starting from the relativistic mean-field approximation. Certain interactions receive non-negligible ...
[ { "created": "Fri, 18 Dec 2020 10:12:36 GMT", "version": "v1" }, { "created": "Sat, 6 Mar 2021 02:19:15 GMT", "version": "v2" } ]
2021-03-09
[ [ "Wang", "X. G.", "" ], [ "Thomas", "A. W.", "" ] ]
We investigate the interactions of weakly interacting massive particles (WIMPS) with nucleons in nuclear medium by taking into account the effect of nuclear dynamics. We derive the nonrelativistic effective operators starting from the relativistic mean-field approximation. Certain interactions receive non-negligible co...
2305.05155
Katharena Christy
Katharena Christy, Jason Kumar, Pearl Sandick
Constraining $p$-wave Dark Matter Annihilation with Gamma-ray Observations of M87
10 pages, 4 figures; updated to match version accepted by PRD
null
10.1103/PhysRevD.108.103042
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider constraints on $p$-wave dark matter in a dark matter spike surrounding the supermassive black hole at the center of M87. Owing to the large mass of the black hole, and resulting large velocity dispersion for the dark matter particles in the spike, it is possible for Fermi-LAT and MAGIC data to place tight...
[ { "created": "Tue, 9 May 2023 03:36:30 GMT", "version": "v1" }, { "created": "Tue, 28 Nov 2023 01:36:47 GMT", "version": "v2" } ]
2023-11-29
[ [ "Christy", "Katharena", "" ], [ "Kumar", "Jason", "" ], [ "Sandick", "Pearl", "" ] ]
We consider constraints on $p$-wave dark matter in a dark matter spike surrounding the supermassive black hole at the center of M87. Owing to the large mass of the black hole, and resulting large velocity dispersion for the dark matter particles in the spike, it is possible for Fermi-LAT and MAGIC data to place tight c...
1111.6402
Christopher Smith
Jernej F. Kamenik, Christopher Smith
FCNC portals to the dark sector
55 pages. Minor corrections & references added. To appear in JHEP
null
10.1007/JHEP03(2012)090
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The most general basis of operators parametrizing a low-scale departure from the SM particle content is constructed. The SM gauge invariance is enforced, and operators of lowest dimensions are retained separately for a new light neutral particle of spin 0, 1/2, 1, and 3/2. The basis is further decomposed into couplin...
[ { "created": "Mon, 28 Nov 2011 10:55:50 GMT", "version": "v1" }, { "created": "Tue, 27 Mar 2012 08:14:40 GMT", "version": "v2" } ]
2015-06-03
[ [ "Kamenik", "Jernej F.", "" ], [ "Smith", "Christopher", "" ] ]
The most general basis of operators parametrizing a low-scale departure from the SM particle content is constructed. The SM gauge invariance is enforced, and operators of lowest dimensions are retained separately for a new light neutral particle of spin 0, 1/2, 1, and 3/2. The basis is further decomposed into couplings...
hep-ph/0411403
Stefano Rigolin
S. Rigolin
Degeneracies at a beta-Beam and a Super-Beam Facility
5 pages, 7 eps figures
Nucl.Phys.Proc.Suppl.145:203-207,2005
10.1016/j.nuclphysbps.2005.04.007
null
hep-ph
null
The presence of degeneracies can considerably worsen the measure of the neutrino oscillation parameters $\theta_{13}$ and $\delta$. We study the physics reach of a specific ``CERN'' setup, using a standard $\beta$-Beam and Super-Beam facility. These facilities have a similar sensitivity in both parameters. Their comb...
[ { "created": "Tue, 30 Nov 2004 17:38:02 GMT", "version": "v1" } ]
2014-11-18
[ [ "Rigolin", "S.", "" ] ]
The presence of degeneracies can considerably worsen the measure of the neutrino oscillation parameters $\theta_{13}$ and $\delta$. We study the physics reach of a specific ``CERN'' setup, using a standard $\beta$-Beam and Super-Beam facility. These facilities have a similar sensitivity in both parameters. Their combin...
1207.6900
Carlos Merino
C. Merino, C. Pajares, and Yu. M. Shabelski
Production of secondaries in soft p+pb collisions at LHC
18 pages and 10 figures. arXiv admin note: text overlap with arXiv:0802.2195
null
10.1140/epjc/s10052-012-2266-9
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the inclusive spectra of secondaries produced in soft (minimum bias) p+Pb collisions in the framework of Quark-Gluon String Model at LHC energy, and by taking into account the inelastic screening corrections (percolation effects). The role of these effects is expected to be very large at very high energi...
[ { "created": "Mon, 30 Jul 2012 11:37:45 GMT", "version": "v1" }, { "created": "Tue, 20 Nov 2012 12:47:37 GMT", "version": "v2" } ]
2015-06-05
[ [ "Merino", "C.", "" ], [ "Pajares", "C.", "" ], [ "Shabelski", "Yu. M.", "" ] ]
We calculate the inclusive spectra of secondaries produced in soft (minimum bias) p+Pb collisions in the framework of Quark-Gluon String Model at LHC energy, and by taking into account the inelastic screening corrections (percolation effects). The role of these effects is expected to be very large at very high energies...
1305.3907
David Blaschke
D. Blaschke, M. Buballa, A. Dubinin, G. Roepke, D. Zablocki
Generalized Beth--Uhlenbeck approach to mesons and diquarks in hot, dense quark matter
29 pages, 5 figures, revised version accepted for Annals of Physics
Annals Phys. 348 (2014) 228 - 255
10.1016/j.aop.2014.06.002
null
hep-ph nucl-th physics.plasm-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An important first step in the program of hadronization of chiral quark models is the bosonization in meson and diquark channels. This procedure is presented at finite temperatures and chemical potentials for the SU(2) flavor case of the NJL model with special emphasis on the mixing between scalar meson and scalar di...
[ { "created": "Thu, 16 May 2013 19:58:58 GMT", "version": "v1" }, { "created": "Mon, 6 Jan 2014 15:34:35 GMT", "version": "v2" }, { "created": "Wed, 28 May 2014 02:20:29 GMT", "version": "v3" } ]
2014-06-30
[ [ "Blaschke", "D.", "" ], [ "Buballa", "M.", "" ], [ "Dubinin", "A.", "" ], [ "Roepke", "G.", "" ], [ "Zablocki", "D.", "" ] ]
An important first step in the program of hadronization of chiral quark models is the bosonization in meson and diquark channels. This procedure is presented at finite temperatures and chemical potentials for the SU(2) flavor case of the NJL model with special emphasis on the mixing between scalar meson and scalar diqu...
1907.13624
Federico Buccioni
Federico Buccioni, Stefan Kallweit, Stefano Pozzorini, Max Zoller
NLO QCD predictions for $t\bar{t}b\bar{b}$ production in association with a light jet at the LHC
37 pages, 18 figures, 6 tables
null
10.1007/JHEP12(2019)015
PSI-PR-19-16, ZU-TH 38/19
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Theoretical predictions for ttbb production are of crucial importance for ttH measurements in the H->bb channel at the LHC. To address the large uncertainties associated with the modelling of extra QCD radiation in ttbb events, in this paper we present a calculation of pp->ttbbj at NLO QCD. The behaviour of NLO corre...
[ { "created": "Wed, 31 Jul 2019 17:50:36 GMT", "version": "v1" }, { "created": "Tue, 10 Dec 2019 12:18:00 GMT", "version": "v2" } ]
2019-12-11
[ [ "Buccioni", "Federico", "" ], [ "Kallweit", "Stefan", "" ], [ "Pozzorini", "Stefano", "" ], [ "Zoller", "Max", "" ] ]
Theoretical predictions for ttbb production are of crucial importance for ttH measurements in the H->bb channel at the LHC. To address the large uncertainties associated with the modelling of extra QCD radiation in ttbb events, in this paper we present a calculation of pp->ttbbj at NLO QCD. The behaviour of NLO correct...
hep-ph/9705228
Kazuhiro Tobe
K.-I. Izawa, Y. Nomura, K. Tobe, and T. Yanagida
Direct-Transmission Models of Dynamical Supersymmetry Breaking
18 pages, Latex, 5 Postscript figures
Phys.Rev.D56:2886-2892,1997
10.1103/PhysRevD.56.2886
UT-774
hep-ph
null
We systematically construct gauge-mediated supersymmetry(SUSY)-breaking models with direct transmission of SUSY-breaking effects to the standard-model sector. We obtain a natural model with the gravitino mass $m_{3/2}$ smaller than 1 keV as required from the standard cosmology. If all Yukawa coupling constants are of...
[ { "created": "Mon, 5 May 1997 08:22:38 GMT", "version": "v1" } ]
2010-04-06
[ [ "Izawa", "K. -I.", "" ], [ "Nomura", "Y.", "" ], [ "Tobe", "K.", "" ], [ "Yanagida", "T.", "" ] ]
We systematically construct gauge-mediated supersymmetry(SUSY)-breaking models with direct transmission of SUSY-breaking effects to the standard-model sector. We obtain a natural model with the gravitino mass $m_{3/2}$ smaller than 1 keV as required from the standard cosmology. If all Yukawa coupling constants are of o...
1810.12874
Elena G. Ferreiro
Elena G. Ferreiro
Global description of bottomonium suppression in proton-nucleus and nucleus-nucleus collisions at LHC energies
6 pages, 7 figures. Contribution to the Proceedings of the XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2018), 16-20 April 2018 Kobe, Japan. Based on arXiv:1804.04474
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that we can reach a global and coherent description of bottomonium suppression in both proton-nucleus and nucleus-nucleus collisions at the LHC energies. The measured relative suppression of the excited bottomonium states as compared to their ground state allows us to constrain the scattering cross sections b...
[ { "created": "Tue, 30 Oct 2018 17:19:32 GMT", "version": "v1" } ]
2018-10-31
[ [ "Ferreiro", "Elena G.", "" ] ]
We show that we can reach a global and coherent description of bottomonium suppression in both proton-nucleus and nucleus-nucleus collisions at the LHC energies. The measured relative suppression of the excited bottomonium states as compared to their ground state allows us to constrain the scattering cross sections bet...
hep-ph/9404291
null
M. Doser and A. Palano
Exotic Searches
25 pages, LaTex, 22 Figures (available from the authors on request), BARI-TH/94-172
null
null
null
hep-ph
null
The experimental information on the search for non $q \bar q$ mesons as glueballs, hybrids and multiquark states is reviewed. Candidate states which are particularly amenable to detailed study by accumulating large samples of $J/\psi$, $\eta_c$, $\chi$ decays at a $\tau$-charm factory are discussed.
[ { "created": "Tue, 19 Apr 1994 13:11:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Doser", "M.", "" ], [ "Palano", "A.", "" ] ]
The experimental information on the search for non $q \bar q$ mesons as glueballs, hybrids and multiquark states is reviewed. Candidate states which are particularly amenable to detailed study by accumulating large samples of $J/\psi$, $\eta_c$, $\chi$ decays at a $\tau$-charm factory are discussed.
0710.5620
Federico Mescia DR
Federico Mescia (for the FlaviaNet Working Group on Kaon Decays)
Precision tests with Kl3 and Kl2 decays
Contributed to the International Europhysics Conference on High Energy Physics (EPS-HEP2007), Manchester, England, 19-25 Jul 2007
J.Phys.Conf.Ser.110:052036,2008
10.1088/1742-6596/110/5/052036
null
hep-ph
null
The analysis made in 2000 indicated that the unitarity relation Vud^2 + Vus^2 + Vub^2 = 1 might be broken at the 2.3 sigma level. At that time, however, Vus was inferred from old experimental data. Since then, a great experimental and theoretical effort has been invested to understand the source of that discrepancy. ...
[ { "created": "Tue, 30 Oct 2007 17:54:26 GMT", "version": "v1" } ]
2019-08-14
[ [ "Mescia", "Federico", "", "for the FlaviaNet Working Group on Kaon Decays" ] ]
The analysis made in 2000 indicated that the unitarity relation Vud^2 + Vus^2 + Vub^2 = 1 might be broken at the 2.3 sigma level. At that time, however, Vus was inferred from old experimental data. Since then, a great experimental and theoretical effort has been invested to understand the source of that discrepancy. Th...
0804.0214
Zainul Abidin
Zainul Abidin and Carl E. Carlson (William and Mary)
Gravitational Form Factors in the Axial Sector from an AdS/QCD Model
6 pages, 1 figure
Phys.Rev.D77:115021,2008
10.1103/PhysRevD.77.115021
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the stress tensor, or energy-momentum tensor, form factors of the pion and of axial vector mesons in the chiral limit of a hard wall AdS/CFT model of QCD. One (of the two) pion gravitational form factors is directly related to the second moment of the pion generalized parton distribution, thus providing ...
[ { "created": "Tue, 1 Apr 2008 17:19:19 GMT", "version": "v1" } ]
2008-11-26
[ [ "Abidin", "Zainul", "", "William and Mary" ], [ "Carlson", "Carl E.", "", "William and Mary" ] ]
We calculate the stress tensor, or energy-momentum tensor, form factors of the pion and of axial vector mesons in the chiral limit of a hard wall AdS/CFT model of QCD. One (of the two) pion gravitational form factors is directly related to the second moment of the pion generalized parton distribution, thus providing a ...
hep-ph/9602300
Robin Stuart
Robin G. Stuart (Randall Laboratory of Physics)
Model-independent Representation of Electroweak Data
14 pages LaTeX. Uses amssymb.sty. Minor changes to text
Phys. Rev. D 56, 1515 (1997)
10.1103/PhysRevD.56.1515
UM-TH-96-02
hep-ph
null
General model-independent expressions are developed for the polarized and unpolarized cross-sections for $e^+e^-\to f\bar f$ near the $Z^0$ resonance. The expressions assume only the analyticity of S-matrix elements. Angular dependence is included by means of a partial wave expansion. The resulting simple forms are s...
[ { "created": "Wed, 14 Feb 1996 01:33:58 GMT", "version": "v1" }, { "created": "Tue, 7 May 1996 16:51:40 GMT", "version": "v2" }, { "created": "Wed, 16 Jul 1997 20:32:14 GMT", "version": "v3" } ]
2016-08-24
[ [ "Stuart", "Robin G.", "", "Randall Laboratory of Physics" ] ]
General model-independent expressions are developed for the polarized and unpolarized cross-sections for $e^+e^-\to f\bar f$ near the $Z^0$ resonance. The expressions assume only the analyticity of S-matrix elements. Angular dependence is included by means of a partial wave expansion. The resulting simple forms are sui...
hep-ph/9510260
Paul Frampton
Paul H. Frampton
Flavors and Horizontal Symmetries
10 pages, latex
Prog.Theor.Phys.Suppl.123:327-336,1996
10.1143/PTPS.123.327
IFP-718-UNC
hep-ph
null
After a brief introduction to what are the basic flavor questions to be addressed, I introduce the underlying ideas of horizontal symmetries, with group $G_H$. For the purposes of specific model building, it is useful to classify models according to the scale at which $G_H$ is broken. I consider the three cases: belo...
[ { "created": "Tue, 10 Oct 1995 19:36:39 GMT", "version": "v1" } ]
2011-03-02
[ [ "Frampton", "Paul H.", "" ] ]
After a brief introduction to what are the basic flavor questions to be addressed, I introduce the underlying ideas of horizontal symmetries, with group $G_H$. For the purposes of specific model building, it is useful to classify models according to the scale at which $G_H$ is broken. I consider the three cases: below ...
1205.2688
James Cline
James M. Cline
130 GeV dark matter and the Fermi gamma-ray line
5 pages, 5 figures. v2: fixed error concerning EWPD; S becomes SU(2)_L singlet. Main results and predictions unchanged. v3: discussed need for S to decay. v4: elaborated S decay mechanism and collider signatures; v5: added WW and ZZ annihilation channels for relic density, and new XENON100 limit
null
10.1103/PhysRevD.86.015016
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Based on tentative evidence for a peak in the Fermi gamma-ray spectrum originating from near the center of the galaxy, it has been suggested that dark matter of mass ~130 GeV is annihilating directly into photons with a cross section ~24 times smaller than that needed for the thermal relic density. We propose a simpl...
[ { "created": "Fri, 11 May 2012 19:59:33 GMT", "version": "v1" }, { "created": "Tue, 15 May 2012 19:45:47 GMT", "version": "v2" }, { "created": "Wed, 30 May 2012 18:51:07 GMT", "version": "v3" }, { "created": "Mon, 11 Jun 2012 04:09:50 GMT", "version": "v4" }, { "c...
2013-05-30
[ [ "Cline", "James M.", "" ] ]
Based on tentative evidence for a peak in the Fermi gamma-ray spectrum originating from near the center of the galaxy, it has been suggested that dark matter of mass ~130 GeV is annihilating directly into photons with a cross section ~24 times smaller than that needed for the thermal relic density. We propose a simple ...
0704.0293
Mikhail Voloshin
S. Dubynskiy, A. Le Yaouanc, L. Oliver, J.-C. Raynal and M.B. Voloshin
Isospin breaking in the yield of heavy meson pairs in e+e- annihilation near threshold
16 pages, 2 figures
Phys.Rev.D75:113001,2007
10.1103/PhysRevD.75.113001
FTPI-MINN-07/08, UMN-TH-2541/07, LPT-Orsay/07-19
hep-ph
null
We revisit the problem of interplay between the strong and the Coulomb interaction in the charged-to-neutral yield ratio for $B {\bar B}$ and $D {\bar D}$ pairs near their respective thresholds in $e^+e^-$ annihilation. We consider here a realistic situation with a resonant interaction in the isospin I=0 channel and ...
[ { "created": "Tue, 3 Apr 2007 18:57:46 GMT", "version": "v1" } ]
2008-11-26
[ [ "Dubynskiy", "S.", "" ], [ "Yaouanc", "A. Le", "" ], [ "Oliver", "L.", "" ], [ "Raynal", "J. -C.", "" ], [ "Voloshin", "M. B.", "" ] ]
We revisit the problem of interplay between the strong and the Coulomb interaction in the charged-to-neutral yield ratio for $B {\bar B}$ and $D {\bar D}$ pairs near their respective thresholds in $e^+e^-$ annihilation. We consider here a realistic situation with a resonant interaction in the isospin I=0 channel and a ...
hep-ph/9502236
Lev F. M.
Felix M. Lev
Qualitative Consideration Of The Effect Of Binding In Deep Inelastic Scattering
6 pages, LaTeX.
null
null
null
hep-ph
null
In our recent paper (hep-ph/9501348) we argued that the Bjorken variable $x$ in deep inelastic scattering cannot be interpreted as the light cone momentum fraction $\xi$ even in the Bjorken limit and in zero order of the perturbation theory. The purpose of the present paper is to qualitatively explain this fact using...
[ { "created": "Mon, 6 Feb 1995 15:34:53 GMT", "version": "v1" } ]
2016-09-01
[ [ "Lev", "Felix M.", "" ] ]
In our recent paper (hep-ph/9501348) we argued that the Bjorken variable $x$ in deep inelastic scattering cannot be interpreted as the light cone momentum fraction $\xi$ even in the Bjorken limit and in zero order of the perturbation theory. The purpose of the present paper is to qualitatively explain this fact using o...
2012.00964
Ayodele Ore
Matthew J. Dolan, Ayodele Ore
Equivariant Energy Flow Networks for Jet Tagging
20 pages, 8 figures
Phys. Rev. D 103, 074022 (2021)
10.1103/PhysRevD.103.074022
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Jet tagging techniques that make use of deep learning show great potential for improving physics analyses at colliders. One such method is the Energy Flow Network (EFN) - a recently introduced neural network architecture that represents jets as permutation-invariant sets of particle momenta while maintaining infrared...
[ { "created": "Wed, 2 Dec 2020 04:46:27 GMT", "version": "v1" }, { "created": "Wed, 28 Apr 2021 05:26:33 GMT", "version": "v2" } ]
2021-04-29
[ [ "Dolan", "Matthew J.", "" ], [ "Ore", "Ayodele", "" ] ]
Jet tagging techniques that make use of deep learning show great potential for improving physics analyses at colliders. One such method is the Energy Flow Network (EFN) - a recently introduced neural network architecture that represents jets as permutation-invariant sets of particle momenta while maintaining infrared a...
1707.08474
Michal Praszalowicz
Michal Praszalowicz
On a possibility of baryonic exotica
6 pages, 4 figures, talk at the the 2nd Jagiellonian Symposium on Fundamental and Applied Subatomic Physics, June 3-11, 2017, Krakow, Poland. In v2 minor text corrections (version accepted for publication in Acta Physica Polonica B Proceedings Supplement)
null
10.5506/APhysPolB.48.1775
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Models based on chiral symmetry predict pentaquarks that have relatively low masses. We briefly review both theoretical and experimental status of exotica in the light sector. Next, shall show how to extend chiral models to baryons with one heavy quark and show that one expects exotica also in this case. Finally, we ...
[ { "created": "Wed, 26 Jul 2017 14:45:35 GMT", "version": "v1" }, { "created": "Thu, 14 Sep 2017 14:22:27 GMT", "version": "v2" } ]
2017-11-22
[ [ "Praszalowicz", "Michal", "" ] ]
Models based on chiral symmetry predict pentaquarks that have relatively low masses. We briefly review both theoretical and experimental status of exotica in the light sector. Next, shall show how to extend chiral models to baryons with one heavy quark and show that one expects exotica also in this case. Finally, we in...
hep-ph/9507372
Ansgar Denner
A. Denner, S. Dittmaier and M. Strobel
Radiative Corrections to $\gamma\gamma\to t \bar t$ in the Electroweak Standard Model
22 pages, LaTeX (compressed, uuencoded), 20 figures as compressed uuencoded ps-files, complete ps-file available via anonymous ftp from ftp://ftp.physik.uni-wuerzburg.de/pub/preprint/WUE-ITP-95-017.ps
Phys.Rev.D53:44-54,1996
10.1103/PhysRevD.53.44
BI-TP 95/27, WUE-ITP-95/017
hep-ph
null
The cross-section for $\gamma\gamma\to t \bar t$ with arbitrary polarized photons is calculated within the electroweak Standard Model including the complete virtual and soft-photonic $O(\alpha)$ corrections. We present a detailed numerical discussion of the radiative corrections with particular emphasis on the purely...
[ { "created": "Fri, 21 Jul 1995 14:48:09 GMT", "version": "v1" } ]
2008-11-26
[ [ "Denner", "A.", "" ], [ "Dittmaier", "S.", "" ], [ "Strobel", "M.", "" ] ]
The cross-section for $\gamma\gamma\to t \bar t$ with arbitrary polarized photons is calculated within the electroweak Standard Model including the complete virtual and soft-photonic $O(\alpha)$ corrections. We present a detailed numerical discussion of the radiative corrections with particular emphasis on the purely w...
hep-ph/0412352
Mike Berger
M. S. Berger
Spacetime Symmetry Violation
5 pages, Presented at SUSY 2003: Supersymmetry in the Desert, University of Arizona, Tucson, AZ, June 5-10, 2003
null
null
IUHET-479
hep-ph
null
Supersymmetric models with Lorentz violation can be formulated in superspace. Two theories based on the Wess-Zumino model are discussed. A compactification of superspace can be employed to understand the chiral superfield that arises in the models.
[ { "created": "Wed, 22 Dec 2004 20:15:18 GMT", "version": "v1" } ]
2007-05-23
[ [ "Berger", "M. S.", "" ] ]
Supersymmetric models with Lorentz violation can be formulated in superspace. Two theories based on the Wess-Zumino model are discussed. A compactification of superspace can be employed to understand the chiral superfield that arises in the models.
1401.4866
Javier L. Albacete
Javier L. Albacete and Cyrille Marquet
Gluon saturation and initial conditions for relativistic heavy ion collisions
72 pages and 31 figures
null
10.1016/j.ppnp.2014.01.004
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an overview of theoretical aspects of the phenomenon of gluon saturation in high energy scattering in Quantum Chromo Dynamics. Then we review the state-of-the-art of saturation-based phenomenological approaches to the study and characterisation of the initial state of ultra-relativistic heavy ion collision...
[ { "created": "Mon, 20 Jan 2014 11:44:45 GMT", "version": "v1" } ]
2015-06-18
[ [ "Albacete", "Javier L.", "" ], [ "Marquet", "Cyrille", "" ] ]
We present an overview of theoretical aspects of the phenomenon of gluon saturation in high energy scattering in Quantum Chromo Dynamics. Then we review the state-of-the-art of saturation-based phenomenological approaches to the study and characterisation of the initial state of ultra-relativistic heavy ion collisions ...
1805.09064
Run-Hui Li
Run-Hui Li, Cai-Dian Lu
Search for doubly heavy baryon via weak decays
4 pages; to appear in the Proceedings of the 53rd Rencontres de Moriond QCD session of March 2018
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the factorization approach and taking into account the final state interaction, we calculate the two body non-leptonic decays of doubly heavy baryons. After comparing the semi-leptonic decays and all possible hadronic decay channels, we found some channels with large branching ratios. Taking the detection effic...
[ { "created": "Wed, 23 May 2018 11:31:17 GMT", "version": "v1" } ]
2018-05-24
[ [ "Li", "Run-Hui", "" ], [ "Lu", "Cai-Dian", "" ] ]
Using the factorization approach and taking into account the final state interaction, we calculate the two body non-leptonic decays of doubly heavy baryons. After comparing the semi-leptonic decays and all possible hadronic decay channels, we found some channels with large branching ratios. Taking the detection efficie...
1506.05266
Rasmus Sloth Hansen
Steen Hannestad, Rasmus Sloth Hansen, Thomas Tram, Yvonne Y. Y. Wong
Active-sterile neutrino oscillations in the early Universe with full collision terms
30 pages, 7 figures
null
10.1088/1475-7516/2015/08/019
INT-PUB-15-025
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Sterile neutrinos are thermalised in the early Universe via oscillations with the active neutrinos for certain mixing parameters. The most detailed calculation of this thermalisation process involves the solution of the momentum-dependent quantum kinetic equations, which track the evolution of the neutrino phase spac...
[ { "created": "Wed, 17 Jun 2015 10:11:03 GMT", "version": "v1" } ]
2015-08-19
[ [ "Hannestad", "Steen", "" ], [ "Hansen", "Rasmus Sloth", "" ], [ "Tram", "Thomas", "" ], [ "Wong", "Yvonne Y. Y.", "" ] ]
Sterile neutrinos are thermalised in the early Universe via oscillations with the active neutrinos for certain mixing parameters. The most detailed calculation of this thermalisation process involves the solution of the momentum-dependent quantum kinetic equations, which track the evolution of the neutrino phase space ...
hep-ph/0211288
York Schroder
Y. Schroder (MIT)
Automatic reduction of four-loop bubbles
5 pages. Talk presented at RADCOR/Loops and Legs 2002, Kloster Banz, Germany
Nucl.Phys.Proc.Suppl. 116 (2003) 402-406
10.1016/S0920-5632(03)80208-6
MIT-CTP 3326
hep-ph
null
We give technical details about the computational strategy employed in a recently completed investigation of the four-loop QCD free energy. In particular, the reduction step from generic vacuum bubbles to master integrals is described from a practical viewpoint, for fully massive as well as QED-type integrals.
[ { "created": "Tue, 19 Nov 2002 01:46:20 GMT", "version": "v1" } ]
2009-11-07
[ [ "Schroder", "Y.", "", "MIT" ] ]
We give technical details about the computational strategy employed in a recently completed investigation of the four-loop QCD free energy. In particular, the reduction step from generic vacuum bubbles to master integrals is described from a practical viewpoint, for fully massive as well as QED-type integrals.
1605.05761
Falko Dulat
Charalampos Anastasiou, Claude Duhr, Falko Dulat, Elisabetta Furlan, Thomas Gehrmann, Franz Herzog, Achilleas Lazopoulos, Bernhard Mistlberger
CP-even scalar boson production via gluon fusion at the LHC
33 pages, 8 awesome figures
null
10.1007/JHEP09(2016)037
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In view of the searches at the LHC for scalar particle resonances in addition to the 125 GeV Higgs boson, we present the cross section for a CP-even scalar produced via gluon fusion at N3LO in perturbative QCD assuming that it couples directly to gluons in an effective theory approach. We refine our prediction by tak...
[ { "created": "Wed, 18 May 2016 21:38:01 GMT", "version": "v1" } ]
2016-10-12
[ [ "Anastasiou", "Charalampos", "" ], [ "Duhr", "Claude", "" ], [ "Dulat", "Falko", "" ], [ "Furlan", "Elisabetta", "" ], [ "Gehrmann", "Thomas", "" ], [ "Herzog", "Franz", "" ], [ "Lazopoulos", "Achilleas", "...
In view of the searches at the LHC for scalar particle resonances in addition to the 125 GeV Higgs boson, we present the cross section for a CP-even scalar produced via gluon fusion at N3LO in perturbative QCD assuming that it couples directly to gluons in an effective theory approach. We refine our prediction by takin...
hep-ph/9809340
Gert Aarts
Gert Aarts (Utrecht University) and Jan Smit (University of Amsterdam, Utrecht University)
Non-Equilibrium Dynamics with Fermions on a Lattice in Space and Time
4 pages, 6 eps figures, poster presented at the 5th International Workshop on Thermal Field Theories and Their Applications, Regensburg, Germany, August 10-14, 1998. Short discussion on the large N_f limit added
null
null
null
hep-ph
null
We consider the dynamics of the 1+1 dimensional abelian Higgs model with axially coupled fermions, in the large N_f limit, on a lattice in space and real-time. We allow for inhomogeneous classical Bose fields. In order to deal with the lattice doublers, we use Wilson's lattice fermions. The lattice formulation leads ...
[ { "created": "Fri, 11 Sep 1998 12:20:17 GMT", "version": "v1" }, { "created": "Thu, 12 Nov 1998 13:55:09 GMT", "version": "v2" } ]
2007-05-23
[ [ "Aarts", "Gert", "", "Utrecht University" ], [ "Smit", "Jan", "", "University of Amsterdam,\n Utrecht University" ] ]
We consider the dynamics of the 1+1 dimensional abelian Higgs model with axially coupled fermions, in the large N_f limit, on a lattice in space and real-time. We allow for inhomogeneous classical Bose fields. In order to deal with the lattice doublers, we use Wilson's lattice fermions. The lattice formulation leads to...
0906.5342
Michael Ramsey-Musolf
Michael J. Ramsey-Musolf
Minimal Electroweak Scale Cosmology and the LHC
8 pages, 1 figure; proceedings of SNOWPAC 2009
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I discuss simple extensions of the Standard Model scalar sector that can help solve the origin of matter problem and that can be probed in their cosmologically relevant parameter space at the LHC.
[ { "created": "Mon, 29 Jun 2009 19:49:32 GMT", "version": "v1" } ]
2009-06-30
[ [ "Ramsey-Musolf", "Michael J.", "" ] ]
I discuss simple extensions of the Standard Model scalar sector that can help solve the origin of matter problem and that can be probed in their cosmologically relevant parameter space at the LHC.
hep-ph/0110015
Serguei Bitioukov
S.I. Bityukov (IHEP, Protvino), N.V. Krasnikov (INR, Moscow)
LHC(CMS) SUSY discovery potential for the case of nonuniversal gaugino masses
1 latex (3 pages), 2 eps (figures) files. Presented by N.V.Krasnikov at the 9th International Conference on Supersymmetries in Physics (SUSY 01), 11-17 Jun 2001, Dubna, Russia
null
null
null
hep-ph
null
We investigate squark and gluino pair production at LHC(CMS) for the case of nonuniversal gaugino masses. Visibility of signal by an excess over SM background in $(n \geq 2)jets + E^{miss}_T + (m \geq leptons)$ events depends rather strongly on the relation between LSP, gluino and squark masses and it decreases with ...
[ { "created": "Sun, 30 Sep 2001 14:33:21 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bityukov", "S. I.", "", "IHEP, Protvino" ], [ "Krasnikov", "N. V.", "", "INR, Moscow" ] ]
We investigate squark and gluino pair production at LHC(CMS) for the case of nonuniversal gaugino masses. Visibility of signal by an excess over SM background in $(n \geq 2)jets + E^{miss}_T + (m \geq leptons)$ events depends rather strongly on the relation between LSP, gluino and squark masses and it decreases with th...
1812.05111
Jasmine Brewer
Jasmine Brewer, Jos\'e Guilherme Milhano, Jesse Thaler
Sorting out quenched jets
5 pages, 4 figures; v2: to match journal version
Phys. Rev. Lett. 122, 222301 (2019)
10.1103/PhysRevLett.122.222301
MIT-CTP/5089
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We introduce a new 'quantile' analysis strategy to study the modification of jets as they traverse through a droplet of quark-gluon plasma. To date, most jet modification studies have been based on comparing the jet properties measured in heavy-ion collisions to a proton-proton baseline at the same reconstructed jet ...
[ { "created": "Wed, 12 Dec 2018 19:00:04 GMT", "version": "v1" }, { "created": "Mon, 16 Sep 2019 19:33:33 GMT", "version": "v2" } ]
2019-09-18
[ [ "Brewer", "Jasmine", "" ], [ "Milhano", "José Guilherme", "" ], [ "Thaler", "Jesse", "" ] ]
We introduce a new 'quantile' analysis strategy to study the modification of jets as they traverse through a droplet of quark-gluon plasma. To date, most jet modification studies have been based on comparing the jet properties measured in heavy-ion collisions to a proton-proton baseline at the same reconstructed jet tr...
1301.3075
Anna Stasto
C.A. Cruz-Santiago, A.M. Stasto
Gluon cascades and amplitudes in light-front perturbation theory
25 pages, 15 figures
null
10.1016/j.nuclphysb.2012.12.003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recu...
[ { "created": "Mon, 14 Jan 2013 17:51:33 GMT", "version": "v1" } ]
2015-06-12
[ [ "Cruz-Santiago", "C. A.", "" ], [ "Stasto", "A. M.", "" ] ]
We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recurs...
1810.12234
Satoshi Shirai
Shigeki Matsumoto, Satoshi Shirai and Michihisa Takeuchi
Indirect Probe of Electroweak-Interacting Particles with Mono-Lepton Signatures at Hadron Colliders
10 pages, 7 figures
null
null
IPMU18-0176
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Electroweak-interacting massive particles (EWIMPs) exist in a broad class of new physics models beyond the Standard Model. Searching for such particles is one of most primary goal at the LHC and future colliders. The EWIMP generally affects the LHC signatures through quantum corrections even without direct production...
[ { "created": "Mon, 29 Oct 2018 16:23:10 GMT", "version": "v1" } ]
2018-10-30
[ [ "Matsumoto", "Shigeki", "" ], [ "Shirai", "Satoshi", "" ], [ "Takeuchi", "Michihisa", "" ] ]
Electroweak-interacting massive particles (EWIMPs) exist in a broad class of new physics models beyond the Standard Model. Searching for such particles is one of most primary goal at the LHC and future colliders. The EWIMP generally affects the LHC signatures through quantum corrections even without direct productions....
hep-ph/9701367
Institute for Theoretical Physics
Jin-Ping Li, Mu-Lin Yan and Rong-Hua Yu(UTSC)
Higher Order Perturbation Corrections of Rotating Excited States in the Standard SU(3) Skyrme Model to Baryon Mass Spectrum
LateX file, 21 pages, no figures
Int.J.Mod.Phys. A12 (1997) 873-890
10.1142/S0217751X97000669
NSC/USTC-17/96
hep-ph
null
The higher order corrections of SU(3) rotating excited states to the Gell-Mann-Okubo Relations (or GOR) are presented in the standard SU(3) Skyrme model.The Improved GOR (or IGOR) are obtained. The results show the IGOR for decuplet up to the third order and for octet up to the second order are much compatible with t...
[ { "created": "Fri, 24 Jan 1997 11:11:54 GMT", "version": "v1" } ]
2015-06-25
[ [ "Li", "Jin-Ping", "", "UTSC" ], [ "Yan", "Mu-Lin", "", "UTSC" ], [ "Yu", "Rong-Hua", "", "UTSC" ] ]
The higher order corrections of SU(3) rotating excited states to the Gell-Mann-Okubo Relations (or GOR) are presented in the standard SU(3) Skyrme model.The Improved GOR (or IGOR) are obtained. The results show the IGOR for decuplet up to the third order and for octet up to the second order are much compatible with the...
1411.1363
Kirill Tuchin
Kirill Tuchin
Electromagnetic field and the chiral magnetic effect in the quark-gluon plasma
13 pages, 3 figures; v2: improved presentation, typos fixed, v3: a mistake in Eq. (62) is fixed
Phys. Rev. C 91, 064902 (2015)
10.1103/PhysRevC.91.064902
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Time evolution of electromagnetic field created in heavy-ion collisions strongly depends on the electromagnetic response of the quark-gluon plasma, which can be described by the Ohmic and chiral conductivities. The later is intimately related to the Chiral Magnetic Effect. I argue that a solution to the classical Max...
[ { "created": "Wed, 5 Nov 2014 19:18:05 GMT", "version": "v1" }, { "created": "Wed, 13 May 2015 13:56:44 GMT", "version": "v2" }, { "created": "Tue, 8 Mar 2016 21:30:08 GMT", "version": "v3" } ]
2016-03-10
[ [ "Tuchin", "Kirill", "" ] ]
Time evolution of electromagnetic field created in heavy-ion collisions strongly depends on the electromagnetic response of the quark-gluon plasma, which can be described by the Ohmic and chiral conductivities. The later is intimately related to the Chiral Magnetic Effect. I argue that a solution to the classical Maxwe...
1912.01435
HongWei Ke
Hong-Wei Ke, Fang Lu, Xiao-Hai Liu and Xue-Qian Li
Study on $\Xi_{cc}\to\Xi_c$ and $\Xi_{cc}\to\Xi'_c$ weak decays in the light-front quark model
18 pages, 4 firures. arXiv admin note: text overlap with arXiv:1904.05705
Eur.Phys.J. C80 (2020) no.2, 140
10.1140/epjc/s10052-020-7699-y
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we study the weak decays of $\Xi_{cc}\to\Xi_c$ and $\Xi_{cc}\to\Xi'_c$ in the light-front quark model. Generally, a naive, but reasonable conjecture suggests that the $cc$ subsystem in $\Xi_{cc}$ ( $us$ pair in $\Xi^{(')}_c$) stands as a diquark with definite spin and color assignments. During the concer...
[ { "created": "Mon, 2 Dec 2019 15:10:02 GMT", "version": "v1" } ]
2020-03-17
[ [ "Ke", "Hong-Wei", "" ], [ "Lu", "Fang", "" ], [ "Liu", "Xiao-Hai", "" ], [ "Li", "Xue-Qian", "" ] ]
In this work we study the weak decays of $\Xi_{cc}\to\Xi_c$ and $\Xi_{cc}\to\Xi'_c$ in the light-front quark model. Generally, a naive, but reasonable conjecture suggests that the $cc$ subsystem in $\Xi_{cc}$ ( $us$ pair in $\Xi^{(')}_c$) stands as a diquark with definite spin and color assignments. During the concerne...
1512.02229
Marc Thomas Dr
Alexander Belyaev, Stefano Moretti, Kilian Nickel, Marc C. Thomas, Ian Tomalin
Hunting for neutral, long-lived exotica at the LHC using a missing transverse energy signature
28 pages
null
10.1007/JHEP03(2016)018
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Searches at the Large Hadron Collider (LHC) for neutral, long-lived particles have historically relied on the detection of displaced particles produced by their decay $\textit{within}$ the detector volume. In this paper we study the potential of the complementary signature comprising of the missing transverse energy ...
[ { "created": "Mon, 7 Dec 2015 21:00:04 GMT", "version": "v1" } ]
2016-03-23
[ [ "Belyaev", "Alexander", "" ], [ "Moretti", "Stefano", "" ], [ "Nickel", "Kilian", "" ], [ "Thomas", "Marc C.", "" ], [ "Tomalin", "Ian", "" ] ]
Searches at the Large Hadron Collider (LHC) for neutral, long-lived particles have historically relied on the detection of displaced particles produced by their decay $\textit{within}$ the detector volume. In this paper we study the potential of the complementary signature comprising of the missing transverse energy ($...
1807.01955
Stephen Webster
Peter Richardson and Stephen Webster
Spin Correlations in Parton Shower Simulations
13 pages, 12 figures, 3 tables
null
null
CERN-TH-2018-154, IPPP/18/55, MCnet-18-12
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Spin correlations are an important, but often neglected, effect in modern Monte Carlo event generators. We show that they can be fully incorporated in Herwig 7 using the algorithm originally proposed by Collins and Knowles in all stages of the event generation process and between the different stages of the event gen...
[ { "created": "Thu, 5 Jul 2018 12:07:12 GMT", "version": "v1" } ]
2018-07-06
[ [ "Richardson", "Peter", "" ], [ "Webster", "Stephen", "" ] ]
Spin correlations are an important, but often neglected, effect in modern Monte Carlo event generators. We show that they can be fully incorporated in Herwig 7 using the algorithm originally proposed by Collins and Knowles in all stages of the event generation process and between the different stages of the event gener...
0803.2102
Xianhui Zhong
Xian-hui Zhong, Qiang Zhao
Strong decays of heavy-light mesons in a chiral quark model
14 pages, 6 figures,to appear in PRD
Phys.Rev.D78:014029,2008
10.1103/PhysRevD.78.014029
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We carry out a systematic study of the heavy-light meson strong decays in a chiral quark model. For the $S$-wave vectors ($D^*(2007)$, $D^{*\pm}(2010)$), $P$-wave scalars ($D^*_0(2400)$, $B^*_0(5730)$) and tensors ($D^*_2(2460)$, $D^*_{s2}(2573)$), we obtain results in good agreement with the experimental data. For t...
[ { "created": "Fri, 14 Mar 2008 08:13:39 GMT", "version": "v1" }, { "created": "Sat, 28 Jun 2008 01:48:28 GMT", "version": "v2" } ]
2008-11-26
[ [ "Zhong", "Xian-hui", "" ], [ "Zhao", "Qiang", "" ] ]
We carry out a systematic study of the heavy-light meson strong decays in a chiral quark model. For the $S$-wave vectors ($D^*(2007)$, $D^{*\pm}(2010)$), $P$-wave scalars ($D^*_0(2400)$, $B^*_0(5730)$) and tensors ($D^*_2(2460)$, $D^*_{s2}(2573)$), we obtain results in good agreement with the experimental data. For the...
hep-ph/9803270
Juan Garcia-Bellido
Juan Garcia-Bellido (CERN-TH)
Single-bubble Open Inflation: An Overview
20 pages, LaTeX, crckapb.sty macro included, 6 figures included in the text with epsf. Review talk, to appear in the Proceedings of the ``Birth of the Universe II'' Conference in Roma, May 1997
null
null
CERN-TH/98-13
hep-ph astro-ph
null
The idea that the universe might be open is an old one, and the possibility of having an open universe arise form inflation is not new either. However, a concrete realization of a consistent single-bubble open inflation model is known only recently. There has been great progress in the last two years in the developme...
[ { "created": "Fri, 6 Mar 1998 14:33:25 GMT", "version": "v1" } ]
2007-05-23
[ [ "Garcia-Bellido", "Juan", "", "CERN-TH" ] ]
The idea that the universe might be open is an old one, and the possibility of having an open universe arise form inflation is not new either. However, a concrete realization of a consistent single-bubble open inflation model is known only recently. There has been great progress in the last two years in the development...
hep-ph/0212302
Manuel Malheiro
A. Delfino (1), J. B. da Silva (1), M. Malheiro (1), M. Chiapparini (2) and M. E. Bracco (2) ((1)Instituto de Fisica, UFF, Niteroi, Brazil (2) Instituto de Fisica, UERJ, Rio de Janeiro, Brazil)
Hadronic Entropy Enhancement and Low Density QGP
null
J.Phys.G28:2249-2258,2002
10.1088/0954-3899/28/8/310
null
hep-ph
null
Recent studies show that for central collisions the rising of the incident energy from AGS to RHIC decreases the value of the chemical potential in the Hadron-QGP phase diagram. Thus, the formation of QGP at RHIC energies in central collisions may be expected to occur at very small values of the chemical potential. U...
[ { "created": "Thu, 19 Dec 2002 19:31:05 GMT", "version": "v1" } ]
2008-11-26
[ [ "Delfino", "A.", "" ], [ "da Silva", "J. B.", "" ], [ "Malheiro", "M.", "" ], [ "Chiapparini", "M.", "" ], [ "Bracco", "M. E.", "" ] ]
Recent studies show that for central collisions the rising of the incident energy from AGS to RHIC decreases the value of the chemical potential in the Hadron-QGP phase diagram. Thus, the formation of QGP at RHIC energies in central collisions may be expected to occur at very small values of the chemical potential. Usi...
hep-ph/0112185
Johann Rafelski
Johann Rafelski (Arizona and CERN)
Strangeness, Equilibration, Hadronization
8 pages including one figure, discussion contribution at Strange Quark Matter 2001, Frankfurt, submitted to J. Phys. G
J.Phys.G28:1833-1840,2002
10.1088/0954-3899/28/7/337
CERN-TH/2001-364
hep-ph
null
In these remarks I explain the motivation which leads us to consider chemical nonequilibrium processes in flavor equilibration and in statistical hadroniziation of quark--gluon plasma (QGP). Statistical hadronization allowing for chemical non-equilibrium is introduced. The reesults of fits to RHIC-130 results, incl...
[ { "created": "Thu, 13 Dec 2001 17:17:14 GMT", "version": "v1" } ]
2016-09-06
[ [ "Rafelski", "Johann", "", "Arizona and CERN" ] ]
In these remarks I explain the motivation which leads us to consider chemical nonequilibrium processes in flavor equilibration and in statistical hadroniziation of quark--gluon plasma (QGP). Statistical hadronization allowing for chemical non-equilibrium is introduced. The reesults of fits to RHIC-130 results, includin...
1108.4932
Mehrdad Goshtasbpour
M. Goshtasbpour, M. Zandi
II. Non-commuting Matrix Solution of DGLAP; $F_2 {p,d}$ Data Leading to Partons Directly without Parameterization
7 pages, 8 figures
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dominant present path for determination of quarks and gluon distribution functions from data is based on pre-assumed form of parameters. Here, an alternative direct, or non-parametric method is spelled out. As the main task, least square estimates of the central values are obtained at the exact $x$ points of the anal...
[ { "created": "Wed, 24 Aug 2011 20:04:03 GMT", "version": "v1" }, { "created": "Wed, 11 Sep 2013 17:57:23 GMT", "version": "v2" } ]
2013-09-12
[ [ "Goshtasbpour", "M.", "" ], [ "Zandi", "M.", "" ] ]
Dominant present path for determination of quarks and gluon distribution functions from data is based on pre-assumed form of parameters. Here, an alternative direct, or non-parametric method is spelled out. As the main task, least square estimates of the central values are obtained at the exact $x$ points of the analys...
hep-ph/0702271
Junli Li
Yi-Bing Ding, Junli Li, Cong-Feng Qiao
Bell Inequalities in High Energy Physics
26 pages, 3 eps figures; references added, published version
High Ener. Phys. & Nucl. Phys. 31, 1086(2007)
null
GUCAS-CPS-07-03
hep-ph quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review in this paper the research status on testing the completeness of Quantum mechanics in High Energy Physics, especially on the Bell Inequalities. We briefly introduce the basic idea of Einstein, Podolsky, and Rosen paradox and the results obtained in photon experiments. In the tests of Bell inequalities in hi...
[ { "created": "Tue, 27 Feb 2007 06:54:06 GMT", "version": "v1" }, { "created": "Sat, 4 Apr 2009 03:25:06 GMT", "version": "v2" } ]
2009-04-04
[ [ "Ding", "Yi-Bing", "" ], [ "Li", "Junli", "" ], [ "Qiao", "Cong-Feng", "" ] ]
We review in this paper the research status on testing the completeness of Quantum mechanics in High Energy Physics, especially on the Bell Inequalities. We briefly introduce the basic idea of Einstein, Podolsky, and Rosen paradox and the results obtained in photon experiments. In the tests of Bell inequalities in high...
0706.1026
Dmitri Kharzeev
D. Kharzeev and A. Zhitnitsky
Charge separation induced by P-odd bubbles in QCD matter
9 pages, 1 figure; extended discussion of cosmological and astrophysical implications; final version to appear in Nuclear Physics A
Nucl.Phys.A797:67-79,2007
10.1016/j.nuclphysa.2007.10.001
BNL-NT-07/24
hep-ph astro-ph hep-th nucl-ex nucl-th
null
We examine the recent suggestion that P- and CP-odd effects in QCD matter can induce electric charge asymmetry with respect to reaction plane in relativistic heavy ion collisions. General arguments are given which confirm that the angular momentum of QCD matter in the presence of non-zero topological charge should in...
[ { "created": "Thu, 7 Jun 2007 15:38:18 GMT", "version": "v1" }, { "created": "Mon, 1 Oct 2007 18:08:30 GMT", "version": "v2" } ]
2008-11-26
[ [ "Kharzeev", "D.", "" ], [ "Zhitnitsky", "A.", "" ] ]
We examine the recent suggestion that P- and CP-odd effects in QCD matter can induce electric charge asymmetry with respect to reaction plane in relativistic heavy ion collisions. General arguments are given which confirm that the angular momentum of QCD matter in the presence of non-zero topological charge should indu...
hep-ph/0410074
Piet Mulders J.
P.J. Mulders and P. Jimenez Delgado
The Uniqueness of the $\Theta^+$ Pentaquark
6 pages, 5 figures, 19th European Few Body Conference
null
10.1063/1.1932909
null
hep-ph
null
The existence of the $\Theta^+$ pentaquark requires a peculiar mechanism to explain its stability. Looking at quark clusters, notably diquark and triquark configurations, such a mechanism may be found in the color-magnetic interaction between quarks. It is possible to understand why the $\Theta^+$ is unique. Chiral d...
[ { "created": "Tue, 5 Oct 2004 16:00:54 GMT", "version": "v1" } ]
2009-11-10
[ [ "Mulders", "P. J.", "" ], [ "Delgado", "P. Jimenez", "" ] ]
The existence of the $\Theta^+$ pentaquark requires a peculiar mechanism to explain its stability. Looking at quark clusters, notably diquark and triquark configurations, such a mechanism may be found in the color-magnetic interaction between quarks. It is possible to understand why the $\Theta^+$ is unique. Chiral dyn...
1707.02075
David Chinellato D
R. Acconcia, D.D. Chinellato, R. Derradi de Souza, C. Markert, J. Takahashi, G. Torrieri
Color reconnection effects on resonance production
15 pages, 8 captioned figures
Phys. Rev. D 97, 036010 (2018)
10.1103/PhysRevD.97.036010
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present studies that show how multi-parton interaction and color reconnection affect the hadro-chemistry in proton-proton (pp) collisions with special focus on the production of resonances using the PYTHIA8 event generator. We find that color reconnection suppresses the relative production of meson resonances such...
[ { "created": "Fri, 7 Jul 2017 08:34:14 GMT", "version": "v1" }, { "created": "Fri, 3 Nov 2017 12:12:41 GMT", "version": "v2" }, { "created": "Wed, 24 Jan 2018 13:10:20 GMT", "version": "v3" } ]
2018-02-21
[ [ "Acconcia", "R.", "" ], [ "Chinellato", "D. D.", "" ], [ "de Souza", "R. Derradi", "" ], [ "Markert", "C.", "" ], [ "Takahashi", "J.", "" ], [ "Torrieri", "G.", "" ] ]
We present studies that show how multi-parton interaction and color reconnection affect the hadro-chemistry in proton-proton (pp) collisions with special focus on the production of resonances using the PYTHIA8 event generator. We find that color reconnection suppresses the relative production of meson resonances such a...
1809.00199
Leonard S. Kisslinger
Leonard S. Kisslinger, Bijit Singha
Charmed Baryon Decay to a Strange Baryon Plus a Pion Using QCD Sum Rules
13 pages, 3 figures
Int.J.Mod.Phys.A 34, 1950015 (2019)
10.1142/S0217751X19500155
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This is an extension of the prediction of strange baryon decays to the decays of charmed baryons using QCD Sum Rules. Using QCD Sum Rules we estimate the decay $\Lambda^+_c (udc) \rightarrow \Lambda^o_s(uds)+ \pi^+$. Although some weak decays of the $\Lambda^+_c$ have been measured, since it is difficult to measure $...
[ { "created": "Sat, 1 Sep 2018 14:48:46 GMT", "version": "v1" }, { "created": "Fri, 14 Sep 2018 14:47:34 GMT", "version": "v2" }, { "created": "Wed, 19 Sep 2018 15:07:05 GMT", "version": "v3" }, { "created": "Fri, 11 Jan 2019 16:04:15 GMT", "version": "v4" }, { "cr...
2019-02-22
[ [ "Kisslinger", "Leonard S.", "" ], [ "Singha", "Bijit", "" ] ]
This is an extension of the prediction of strange baryon decays to the decays of charmed baryons using QCD Sum Rules. Using QCD Sum Rules we estimate the decay $\Lambda^+_c (udc) \rightarrow \Lambda^o_s(uds)+ \pi^+$. Although some weak decays of the $\Lambda^+_c$ have been measured, since it is difficult to measure $\L...
1401.0653
Jayanta Sarma Kumar
Mayuri Devee and J. K. Sarma
Nonlinear GLR-MQ evolution equation and Q^2-evolution of gluon distribution function
23 pages, 6 figures, 5th paragraph of introduction has been slightly changed. arXiv admin note: text overlap with arXiv:hep-ph/0211239, arXiv:hep-ph/9902411 by other authors
Eur. Phys. J. C (2014) 74:2751
10.1140/epjc/s10052-014-2751-4
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we have solved the nonlinear Gribov-Levin-Ryskin-Mueller-Qiu (GLR-MQ) evolution equation for gluon distribution function G(x,Q^2) and studied the effects of the nonlinear GLR-MQ corrections to the Leading Order (LO) Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations. Here we incorpor...
[ { "created": "Fri, 3 Jan 2014 14:15:59 GMT", "version": "v1" }, { "created": "Mon, 6 Jan 2014 07:37:05 GMT", "version": "v2" }, { "created": "Fri, 21 Feb 2014 10:34:15 GMT", "version": "v3" } ]
2014-02-24
[ [ "Devee", "Mayuri", "" ], [ "Sarma", "J. K.", "" ] ]
In this paper we have solved the nonlinear Gribov-Levin-Ryskin-Mueller-Qiu (GLR-MQ) evolution equation for gluon distribution function G(x,Q^2) and studied the effects of the nonlinear GLR-MQ corrections to the Leading Order (LO) Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations. Here we incorporat...
1611.01104
Arnd Behring
Jakob Ablinger, Arnd Behring, Johannes Bl\"umlein, Abilio De Freitas, Alexander Hasselhuhn, Andreas von Manteuffel, Mark Round, Carsten Schneider, Fabian Wi{\ss}brock
Heavy flavour corrections to polarised and unpolarised deep-inelastic scattering at 3-loop order
16 pages, 5 figures; contribution to the proceedings of the QCD Evolution 2016 workshop, Amsterdam
PoS(QCDEV2016)052
null
DESY 16-210, DO-TH 16/29, TTK-16-46
hep-ph
http://creativecommons.org/licenses/by-sa/4.0/
We report on progress in the calculation of 3-loop corrections to the deep-inelastic structure functions from massive quarks in the asymptotic region of large momentum transfer $Q^2$. Recently completed results allow us to obtain the $O(a_s^3)$ contributions to several heavy flavour Wilson coefficients which enter bo...
[ { "created": "Thu, 3 Nov 2016 17:45:33 GMT", "version": "v1" } ]
2017-01-31
[ [ "Ablinger", "Jakob", "" ], [ "Behring", "Arnd", "" ], [ "Blümlein", "Johannes", "" ], [ "De Freitas", "Abilio", "" ], [ "Hasselhuhn", "Alexander", "" ], [ "von Manteuffel", "Andreas", "" ], [ "Round", "Mark", ...
We report on progress in the calculation of 3-loop corrections to the deep-inelastic structure functions from massive quarks in the asymptotic region of large momentum transfer $Q^2$. Recently completed results allow us to obtain the $O(a_s^3)$ contributions to several heavy flavour Wilson coefficients which enter both...
2212.13479
Ernesto A. Matute
Ernesto A. Matute
Neutrino flavor mixing with approximate $\mu$-$\tau$ symmetry within the low-scale minimal linear seesaw model
15 pages
Mod. Phys. Lett. A 37, 2250196 (2022)
10.1142/S0217732322501966
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Neutrino flavor mixing is explained within the recently proposed low-scale minimal linear seesaw model of neutrino mass generation, a variant of the standard linear seesaw led by a Dirac pair of extra sterile neutrinos which is odd under a discrete $Z_2$ symmetry and has a mass at or below the GeV scale. The tri-bima...
[ { "created": "Tue, 27 Dec 2022 13:18:52 GMT", "version": "v1" } ]
2022-12-29
[ [ "Matute", "Ernesto A.", "" ] ]
Neutrino flavor mixing is explained within the recently proposed low-scale minimal linear seesaw model of neutrino mass generation, a variant of the standard linear seesaw led by a Dirac pair of extra sterile neutrinos which is odd under a discrete $Z_2$ symmetry and has a mass at or below the GeV scale. The tri-bimaxi...
hep-ph/9910338
Melles
V.S. Fadin, L.N. Lipatov, A.D. Martin, and M. Melles
Resummation of double logarithms in electroweak high energy processes
26 pages, 3 figures, Latex2e
Phys.Rev. D61 (2000) 094002
10.1103/PhysRevD.61.094002
PSI PR-99-24, DTP/99/94
hep-ph
null
At future linear $e^+e^-$ collider experiments in the TeV range, Sudakov double logarithms originating from massive boson exchange can lead to significant corrections to the cross sections of the observable processes. These effects are important for the high precision objectives of the Next Linear Collider. We use th...
[ { "created": "Thu, 14 Oct 1999 14:41:57 GMT", "version": "v1" } ]
2009-10-31
[ [ "Fadin", "V. S.", "" ], [ "Lipatov", "L. N.", "" ], [ "Martin", "A. D.", "" ], [ "Melles", "M.", "" ] ]
At future linear $e^+e^-$ collider experiments in the TeV range, Sudakov double logarithms originating from massive boson exchange can lead to significant corrections to the cross sections of the observable processes. These effects are important for the high precision objectives of the Next Linear Collider. We use the ...
2201.04664
Lars Bathe-Peters
Lars Bathe-Peters, Steven Gardiner, Roxanne Guenette
Comparing generator predictions of transverse kinematic imbalance in neutrino-argon scattering
12 pages, 7 figures
null
null
FERMILAB-PUB-22-007-SCD
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The largest uncertainties in estimating neutrino-nucleus interaction cross sections lie in the incomplete understanding of nuclear effects. A powerful tool to study nuclear effects is Transverse Kinematic Imbalance. This paper presents the first detailed comparison of the predictions of multiple event generators for ...
[ { "created": "Wed, 12 Jan 2022 19:40:21 GMT", "version": "v1" } ]
2022-01-14
[ [ "Bathe-Peters", "Lars", "" ], [ "Gardiner", "Steven", "" ], [ "Guenette", "Roxanne", "" ] ]
The largest uncertainties in estimating neutrino-nucleus interaction cross sections lie in the incomplete understanding of nuclear effects. A powerful tool to study nuclear effects is Transverse Kinematic Imbalance. This paper presents the first detailed comparison of the predictions of multiple event generators for di...
0801.1648
Yuehong Xie
Yuehong Xie
Comment on "Resolving the sign ambiguity in $\Delta \Gamma_s$ with $B_s \to D_s K$"
null
null
null
null
hep-ph
null
This is a comment on the recent paper by Soumitra Nandi1 and Ulrich Nierste ``Resolving the sign ambiguity in $\Delta \Gamma_s$ with $B_s \to D_s K$'', arXiv:0801.0143 [hep-ph].
[ { "created": "Thu, 10 Jan 2008 18:09:26 GMT", "version": "v1" }, { "created": "Fri, 11 Jan 2008 02:00:23 GMT", "version": "v2" } ]
2008-01-11
[ [ "Xie", "Yuehong", "" ] ]
This is a comment on the recent paper by Soumitra Nandi1 and Ulrich Nierste ``Resolving the sign ambiguity in $\Delta \Gamma_s$ with $B_s \to D_s K$'', arXiv:0801.0143 [hep-ph].