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0801.0536
Stanislaw Mrowczynski
Stanislaw Mrowczynski
Chromodynamic Fluctuations in Quark-Gluon Plasma
19 pages, numerous but minor corrections, to appear in Phys. Rev. D
Phys.Rev.D77:105022,2008
10.1103/PhysRevD.77.105022
null
hep-ph nucl-th
null
Fluctuations of chromodynamic fields in the collisionless quark-gluon plasma are found as a solution of the initial value linearized problem. The plasma initial state is on average colorless, stationary and homogeneous. When the state is stable, the initial fluctuations decay exponentially and in the long-time limit ...
[ { "created": "Thu, 3 Jan 2008 16:56:03 GMT", "version": "v1" }, { "created": "Mon, 21 Jan 2008 16:04:41 GMT", "version": "v2" }, { "created": "Fri, 4 Apr 2008 23:03:11 GMT", "version": "v3" } ]
2008-11-26
[ [ "Mrowczynski", "Stanislaw", "" ] ]
Fluctuations of chromodynamic fields in the collisionless quark-gluon plasma are found as a solution of the initial value linearized problem. The plasma initial state is on average colorless, stationary and homogeneous. When the state is stable, the initial fluctuations decay exponentially and in the long-time limit a ...
1202.5641
Marcus Pinto B
Sidney S. Avancini, D\'ebora P. Menezes, Marcus B. Pinto and Constan\c{c}a Provid\^encia
The QCD Critical End Point Under Strong Magnetic Fields
5 pages, 2 figures
null
10.1103/PhysRevD.85.091901
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use the three-flavor Nambu--Jona-Lasinio model, which includes strangeness and quark physical masses in the mean field approximation, to investigate the influence of strong magnetic fields on the QCD phase diagram covering the whole $T-\mu$ plane. It is found that the size of the first order transition line increa...
[ { "created": "Sat, 25 Feb 2012 11:13:14 GMT", "version": "v1" } ]
2015-06-04
[ [ "Avancini", "Sidney S.", "" ], [ "Menezes", "Débora P.", "" ], [ "Pinto", "Marcus B.", "" ], [ "Providência", "Constança", "" ] ]
We use the three-flavor Nambu--Jona-Lasinio model, which includes strangeness and quark physical masses in the mean field approximation, to investigate the influence of strong magnetic fields on the QCD phase diagram covering the whole $T-\mu$ plane. It is found that the size of the first order transition line increase...
1610.04410
Tooraj Ghaffary
Tooraj Ghaffary
Comparing Production Cross Sections for QCD Matter, Higgs Boson, Neutrino with Dark Energy in Accelerating Universe
23 pages; 8 figures
null
10.1142/S0219887817501390
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this research, the production cross sections for QCD matter, neutrino and dark energy due to acceleration of Universe is calculated. To obtain these cross sections, the Universe production cross section is multiplied by the particle or dark energy distribution in accelerating Universe. Also missing cross section f...
[ { "created": "Fri, 14 Oct 2016 11:18:41 GMT", "version": "v1" }, { "created": "Wed, 19 Oct 2016 00:23:41 GMT", "version": "v2" } ]
2017-10-11
[ [ "Ghaffary", "Tooraj", "" ] ]
In this research, the production cross sections for QCD matter, neutrino and dark energy due to acceleration of Universe is calculated. To obtain these cross sections, the Universe production cross section is multiplied by the particle or dark energy distribution in accelerating Universe. Also missing cross section for...
2405.01191
Guotao Xia
Lauri Niemi, Michael J. Ramsey-Musolf, Guotao Xia
Nonperturbative study of the electroweak phase transition in the real scalar singlet extended Standard Model
23 pages, 13 figures
null
null
HIP-2024-7/TH, ACFI T24-03
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We perform a nonperturbative lattice study of the electroweak phase transition in the real singlet scalar extension of the Standard Model.We consider both the heavy and light singlet-like scalar regimes at non-zero singlet-doublet mixing angle. After reviewing features of the lattice method relevant for phase transit...
[ { "created": "Thu, 2 May 2024 11:32:02 GMT", "version": "v1" }, { "created": "Sat, 10 Aug 2024 09:29:05 GMT", "version": "v2" } ]
2024-08-13
[ [ "Niemi", "Lauri", "" ], [ "Ramsey-Musolf", "Michael J.", "" ], [ "Xia", "Guotao", "" ] ]
We perform a nonperturbative lattice study of the electroweak phase transition in the real singlet scalar extension of the Standard Model.We consider both the heavy and light singlet-like scalar regimes at non-zero singlet-doublet mixing angle. After reviewing features of the lattice method relevant for phase transitio...
hep-ph/0105261
Steve King
S. F. King (Southampton University)
Neutrino Oscillations: Status, Prospects and Opportunities at a Neutrino Factory
Updated to include the first SNO results and more references. 30 pages, Latex. To appear in J.Phys.G. This is a review article based on invited talks at the IPPP Workshops on Physics at a Future Neutrino Factory, 19 January 2001, RAL and 21-23 March 2001, Durham
J.Phys.G27:2149-2170,2001
10.1088/0954-3899/27/10/313
null
hep-ph hep-ex hep-th
null
We review the current status of neutrino oscillations after 1258 days of Super-Kamiokande, assess their future prospects over the next 10 years as the next generation of experiments come on-line, and discuss the longer-term opportunities presented by a Neutrino Factory. We also give an introduction to the see-saw mec...
[ { "created": "Fri, 25 May 2001 12:46:49 GMT", "version": "v1" }, { "created": "Wed, 27 Jun 2001 10:03:38 GMT", "version": "v2" } ]
2010-05-28
[ [ "King", "S. F.", "", "Southampton University" ] ]
We review the current status of neutrino oscillations after 1258 days of Super-Kamiokande, assess their future prospects over the next 10 years as the next generation of experiments come on-line, and discuss the longer-term opportunities presented by a Neutrino Factory. We also give an introduction to the see-saw mecha...
hep-ph/9706423
Thomas Meissner
L.S. Kisslinger and T. Meissner
Structure of Vacuum Condensates
8pages (REVTEX), 1 PostScript figure
Phys.Rev.C57:1528-1531,1998
10.1103/PhysRevC.57.1528
null
hep-ph nucl-th
null
It is essential to know the space-time structure of the nonlocal vacuum condensates for application to medium energy processes. Using the Dyson-Schwinger formalism in the rainbow approximation for the quark propagator, we study the nonlocal quark condensate and model forms for the nonperturbative gluon propagator con...
[ { "created": "Thu, 19 Jun 1997 20:40:09 GMT", "version": "v1" }, { "created": "Sat, 7 Mar 1998 21:02:12 GMT", "version": "v2" } ]
2008-11-26
[ [ "Kisslinger", "L. S.", "" ], [ "Meissner", "T.", "" ] ]
It is essential to know the space-time structure of the nonlocal vacuum condensates for application to medium energy processes. Using the Dyson-Schwinger formalism in the rainbow approximation for the quark propagator, we study the nonlocal quark condensate and model forms for the nonperturbative gluon propagator const...
1211.3026
Ulf-G. Mei{\ss}ner
Ulf-G. Mei{\ss}ner
A walk through the world of chiral dynamics
Plenary talk, The 7th International Workshop on Chiral Dynamics, August 6 -10, 2012, Jefferson Lab, Newport News, Virginia, USA, to appear in the proceedings, references updated
null
null
null
hep-ph hep-ex hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Hadron-hadron scattering lengths are fine probes of our understanding of nonperturbative QCD. I discuss the status of a variety of scattering processes sensitive to the spontaneous and explicit chiral symmetry breaking of QCD, such as pion-pion, pion-kaon, pion-nucleon, antikaon-nucleon and Goldstone boson scattering...
[ { "created": "Mon, 12 Nov 2012 20:07:14 GMT", "version": "v1" }, { "created": "Wed, 3 Jul 2013 10:37:21 GMT", "version": "v2" } ]
2013-07-04
[ [ "Meißner", "Ulf-G.", "" ] ]
Hadron-hadron scattering lengths are fine probes of our understanding of nonperturbative QCD. I discuss the status of a variety of scattering processes sensitive to the spontaneous and explicit chiral symmetry breaking of QCD, such as pion-pion, pion-kaon, pion-nucleon, antikaon-nucleon and Goldstone boson scattering o...
1909.10836
Shengqin Feng
Bang-Xiang Chen, Sheng-Qin Feng
A systematical study of the chiral magnetic effects at the RHIC and LHC energies
9 pages, 7 figures
Chinese Physics C 44, 024104 (2020)
10.1088/1674-1137/44/2/024104
null
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect(CME), and make a comparison it with the experimental results for the background-subtracted correlator $H$ at the energies of the RHIC Beam Energy Scan (BES) and LHC energy. The CME signals from our...
[ { "created": "Tue, 24 Sep 2019 12:22:15 GMT", "version": "v1" }, { "created": "Sun, 22 Dec 2019 09:46:17 GMT", "version": "v2" } ]
2022-01-10
[ [ "Chen", "Bang-Xiang", "" ], [ "Feng", "Sheng-Qin", "" ] ]
Considering the magnetic field response of the QGP medium, we perform a systematical study of the chiral magnetic effect(CME), and make a comparison it with the experimental results for the background-subtracted correlator $H$ at the energies of the RHIC Beam Energy Scan (BES) and LHC energy. The CME signals from our c...
1410.0410
Tommy Ohlsson
Sandhya Choubey and Tommy Ohlsson
Bounds on Non-Standard Neutrino Interactions Using PINGU
19 pages, 7 figures. Final version published in Phys. Lett. B
Phys. Lett. B 739 (2014) 357
10.1016/j.physletb.2014.11.010
NSF-KITP-14-173
hep-ph astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the impact of non-standard neutrino interactions (NSIs) on atmospheric neutrinos using the proposed PINGU experiment. In particular, we focus on the matter NSI parameters $\varepsilon_{\mu\tau}$ and $|\varepsilon_{\tau\tau} - \varepsilon_{\mu\mu}|$ that have previously been constrained by the Super-Kam...
[ { "created": "Wed, 1 Oct 2014 23:10:12 GMT", "version": "v1" }, { "created": "Tue, 18 Nov 2014 09:57:07 GMT", "version": "v2" } ]
2014-11-19
[ [ "Choubey", "Sandhya", "" ], [ "Ohlsson", "Tommy", "" ] ]
We investigate the impact of non-standard neutrino interactions (NSIs) on atmospheric neutrinos using the proposed PINGU experiment. In particular, we focus on the matter NSI parameters $\varepsilon_{\mu\tau}$ and $|\varepsilon_{\tau\tau} - \varepsilon_{\mu\mu}|$ that have previously been constrained by the Super-Kamio...
hep-ph/0212210
Hamid Beshtoev
Kh. M. Beshtoev
Some Unsettled Questions in the Problem of Neutrino Oscillations
LATEX, 20 pages, no figures and tables
null
null
null
hep-ph
null
It is noted that the theory of neutrino oscillations can be constructed only in the framework of the particle physics theory, where is a mass shell conception and then transitions (oscillations) between neutrinos with equal masses are real and between neutrinos with different masses are virtual. It is necessary to so...
[ { "created": "Sun, 15 Dec 2002 13:38:12 GMT", "version": "v1" } ]
2007-05-23
[ [ "Beshtoev", "Kh. M.", "" ] ]
It is noted that the theory of neutrino oscillations can be constructed only in the framework of the particle physics theory, where is a mass shell conception and then transitions (oscillations) between neutrinos with equal masses are real and between neutrinos with different masses are virtual. It is necessary to solv...
hep-ph/9310380
Matsuda Masahisa
Takemi Hayashi, Masahisa Matsuda and Morimitsu Tanimoto
Penguin Effects on K Pi and PiPi Decays of the $B$ Meson
LATEX-file without figures. Figures will be sent by request to masa@auephyas.aichi-edu.ac.jp
Phys.Lett.B323:78-84,1994
10.1016/0370-2693(94)00045-X
AUE-05-93,EHU-06-93, KGU-03-93
hep-ph
null
We give the detailed analyses for the gluonic-penguin effect on the $\kp$ and $\pp$ decays of the $B$ meson. In the standard model, it is shown that the ratio $BR(B\A\kp)/BR(B\A\pp)$ takes the value $0.5\sim 3.0$ with the strongly depending on the CP violating phase $\phi$ and the KM matrix element $|V_{ub}|$. We obt...
[ { "created": "Mon, 1 Nov 1993 02:56:45 GMT", "version": "v1" } ]
2010-11-01
[ [ "Hayashi", "Takemi", "" ], [ "Matsuda", "Masahisa", "" ], [ "Tanimoto", "Morimitsu", "" ] ]
We give the detailed analyses for the gluonic-penguin effect on the $\kp$ and $\pp$ decays of the $B$ meson. In the standard model, it is shown that the ratio $BR(B\A\kp)/BR(B\A\pp)$ takes the value $0.5\sim 3.0$ with the strongly depending on the CP violating phase $\phi$ and the KM matrix element $|V_{ub}|$. We obtai...
1412.3967
Malin Sjodahl
Malin Sjodahl
ColorFull -- a C++ library for calculations in SU(Nc) color space
Version accepted by EPJC, improved description of trace bases in section 3
Eur. Phys. J. C 75 (2015) 5, 236
null
LU TP 14-43, MCNET-14-26
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
ColorFull, a C++ package for treating QCD color structure, is presented. ColorFull, which utilizes the trace basis approach, is intended for interfacing with event generators, but can also be used as a stand-alone package for squaring QCD amplitudes, calculating interferences, and describing the effect of gluon emiss...
[ { "created": "Fri, 12 Dec 2014 12:26:22 GMT", "version": "v1" }, { "created": "Mon, 29 Jun 2015 09:58:21 GMT", "version": "v2" } ]
2015-06-30
[ [ "Sjodahl", "Malin", "" ] ]
ColorFull, a C++ package for treating QCD color structure, is presented. ColorFull, which utilizes the trace basis approach, is intended for interfacing with event generators, but can also be used as a stand-alone package for squaring QCD amplitudes, calculating interferences, and describing the effect of gluon emissio...
1505.06165
Ivo de Medeiros Varzielas
Gustavo C. Branco, Ivo de Medeiros Varzielas, Stephen F. King
Invariant approach to CP in unbroken $\Delta(27)$
24 pages, 1 figure. v2: to be published in NPB
null
10.1016/j.nuclphysb.2015.07.024
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The invariant approach is a powerful method for studying CP violation for specific Lagrangians. The method is particularly useful for dealing with discrete family symmetries. We focus on the CP properties of unbroken $\Delta(27)$ invariant Lagrangians with Yukawa-like terms, which proves to be a rich framework, with ...
[ { "created": "Fri, 22 May 2015 18:00:27 GMT", "version": "v1" }, { "created": "Mon, 3 Aug 2015 14:32:03 GMT", "version": "v2" } ]
2015-12-09
[ [ "Branco", "Gustavo C.", "" ], [ "Varzielas", "Ivo de Medeiros", "" ], [ "King", "Stephen F.", "" ] ]
The invariant approach is a powerful method for studying CP violation for specific Lagrangians. The method is particularly useful for dealing with discrete family symmetries. We focus on the CP properties of unbroken $\Delta(27)$ invariant Lagrangians with Yukawa-like terms, which proves to be a rich framework, with di...
1807.01125
Ferruccio Feruglio
Juan Carlos Criado and Ferruccio Feruglio
Modular Invariance Faces Precision Neutrino Data
29 pages, 1 figure; further comments, one on the quark sector, added
SciPost Phys. 5, 042 (2018)
10.21468/SciPostPhys.5.5.042
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze a modular invariant model of lepton masses, with neutrino masses originating either from the Weinberg operator or from the seesaw. The constraint provided by modular invariance is so strong that neutrino mass ratios, lepton mixing angles and Dirac/Majorana phases do not depend on any Lagrangian parameter. ...
[ { "created": "Tue, 3 Jul 2018 12:44:03 GMT", "version": "v1" }, { "created": "Mon, 16 Jul 2018 17:19:57 GMT", "version": "v2" }, { "created": "Tue, 25 Sep 2018 12:57:47 GMT", "version": "v3" } ]
2018-11-07
[ [ "Criado", "Juan Carlos", "" ], [ "Feruglio", "Ferruccio", "" ] ]
We analyze a modular invariant model of lepton masses, with neutrino masses originating either from the Weinberg operator or from the seesaw. The constraint provided by modular invariance is so strong that neutrino mass ratios, lepton mixing angles and Dirac/Majorana phases do not depend on any Lagrangian parameter. Th...
1504.02299
Marco Frasca
Marco Frasca
A theorem on the Higgs sector of the Standard Model
15 pages, no figure. Version accepted for publication in European Physical Journal Plus
Eur. Phys. J. Plus (2016) 131: 199
10.1140/epjp/i2016-16199-x
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We provide the solution of the classical theory for the Higgs sector of the Standard Model obtaining the exact Green function for the broken phase. Solving the Dyson-Schwinger equations for the Higgs field we show that the propagator coincides with that of the classical theory confirming the spectrum also at the quan...
[ { "created": "Thu, 9 Apr 2015 13:22:28 GMT", "version": "v1" }, { "created": "Fri, 4 Sep 2015 16:29:49 GMT", "version": "v2" }, { "created": "Thu, 19 May 2016 08:04:23 GMT", "version": "v3" } ]
2016-06-16
[ [ "Frasca", "Marco", "" ] ]
We provide the solution of the classical theory for the Higgs sector of the Standard Model obtaining the exact Green function for the broken phase. Solving the Dyson-Schwinger equations for the Higgs field we show that the propagator coincides with that of the classical theory confirming the spectrum also at the quantu...
hep-ph/0209243
John Arrington
J. Arrington
How Well Do We Know the Electromagnetic Form Factors of the Proton?
5 pages, 4 figures; Invited talk at Electron-Nucleus Scattering VII, Elba, Italy, June 2002 (to appear in proceedings)
Eur.Phys.J.A17:311-315,2003
10.1140/epja/i2002-10172-y
null
hep-ph nucl-ex
null
Recent measurements of recoil polarization in elastic scattering have been used to extract the ratio of the electric to the magnetic proton form factors. These results disagree with Rosenbluth extractions from cross section measurements, indicating either an inconsistency between the two techniques, or a problem with...
[ { "created": "Fri, 20 Sep 2002 17:38:07 GMT", "version": "v1" } ]
2009-09-24
[ [ "Arrington", "J.", "" ] ]
Recent measurements of recoil polarization in elastic scattering have been used to extract the ratio of the electric to the magnetic proton form factors. These results disagree with Rosenbluth extractions from cross section measurements, indicating either an inconsistency between the two techniques, or a problem with e...
1303.2540
Tobias Beranek
T. Beranek, H. Merkel, M. Vanderhaeghen
Theoretical framework to analyze searches for hidden light gauge bosons in electron scattering fixed target experiments
18 pages, 12 figures
null
10.1103/PhysRevD.88.015032
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by anomalies in cosmic ray observations and by attempts to solve questions of the Standad Model of particle physics like the (g-2)_mu discrepancy, U(1) extensions of the Standard Model have been proposed in recent years. Such U(1) extensions allow for the interaction of Dark Matter by exchange of a photon-l...
[ { "created": "Mon, 11 Mar 2013 14:42:39 GMT", "version": "v1" } ]
2015-06-15
[ [ "Beranek", "T.", "" ], [ "Merkel", "H.", "" ], [ "Vanderhaeghen", "M.", "" ] ]
Motivated by anomalies in cosmic ray observations and by attempts to solve questions of the Standad Model of particle physics like the (g-2)_mu discrepancy, U(1) extensions of the Standard Model have been proposed in recent years. Such U(1) extensions allow for the interaction of Dark Matter by exchange of a photon-lik...
hep-ph/0609290
Stefano Profumo
Stefano Profumo and Alessio Provenza
Increasing the Neutralino Relic Abundance with Slepton Coannihilations: Consequences for Indirect Dark Matter Detection
16 pages, 6 figures, references added, typos corrected, matches with the published version
JCAP0612:019,2006
10.1088/1475-7516/2006/12/019
SISSA-56/2006/EP
hep-ph astro-ph
null
We point out that if the lightest supersymmetric particle (LSP) is a Higgsino- or Wino-like neutralino, the net effect of coannihilations with sleptons is to increase the relic abundance, rather than producing the usual suppression, which takes place if the LSP is Bino-like. The reason for the enhancement lies in the...
[ { "created": "Thu, 28 Sep 2006 00:01:40 GMT", "version": "v1" }, { "created": "Tue, 9 Jan 2007 10:14:07 GMT", "version": "v2" } ]
2008-11-26
[ [ "Profumo", "Stefano", "" ], [ "Provenza", "Alessio", "" ] ]
We point out that if the lightest supersymmetric particle (LSP) is a Higgsino- or Wino-like neutralino, the net effect of coannihilations with sleptons is to increase the relic abundance, rather than producing the usual suppression, which takes place if the LSP is Bino-like. The reason for the enhancement lies in the e...
hep-ph/9806451
Manuel Perez-Victoria
F. del Aguila, A. Culatti, R. Munoz-Tapia and M. Perez-Victoria
Techniques for one-loop calculations in constrained differential renormalization
LaTex, 29 pages with 4 Postscript figures
Nucl.Phys. B537 (1999) 561-585
10.1016/S0550-3213(98)00645-2
MIT-CTP-2705, UG-FT-86/98
hep-ph hep-th
null
We describe in detail the constrained procedure of differential renormalization and develop the techniques required for one-loop calculations. As an illustration we renormalize Scalar QED and show that the two-, three- and four-point Ward identities are automatically satisfied.
[ { "created": "Tue, 23 Jun 1998 17:01:46 GMT", "version": "v1" } ]
2015-06-25
[ [ "del Aguila", "F.", "" ], [ "Culatti", "A.", "" ], [ "Munoz-Tapia", "R.", "" ], [ "Perez-Victoria", "M.", "" ] ]
We describe in detail the constrained procedure of differential renormalization and develop the techniques required for one-loop calculations. As an illustration we renormalize Scalar QED and show that the two-, three- and four-point Ward identities are automatically satisfied.
hep-ph/9512352
V. Gribov
V.N. Gribov
Bound states of massless fermions as a source for new physics
9 pages, LaTex, 11 figures (pictex) in separate file. Opening lecture given at the 33rd course of the International School of Subnuclear Physics, Erice, Sicily (1995)
null
null
TK-95-35
hep-ph
null
The contribution of interactions at short and large distances to particle masses is discussed in the framework of the standard model.
[ { "created": "Tue, 19 Dec 1995 14:15:51 GMT", "version": "v1" } ]
2007-05-23
[ [ "Gribov", "V. N.", "" ] ]
The contribution of interactions at short and large distances to particle masses is discussed in the framework of the standard model.
2108.11605
Wren Yamada
Wren A. Yamada, Osamu Morimatsu, Toru Sato and Koichi Yazaki
Near-threshold Spectrum from Uniformized Mittag-Leffler Expansion -Pole Structure of $Z(3900)$-
13 pages, 7 pdf figures
null
10.1103/PhysRevD.105.014034
KEK-TH-2344, J-PARC-TH-0248, RIKEN-iTHEMS-Report-21
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We demonstrate how S-matrix poles manifest themselves as the physical spectrum near the upper threshold in the context of the two-channel uniformized Mittag-Leffler expansion, an expression written as a sum of pole terms under an appropriate variable where the S-matrix is made single-valued (uniformization). We show ...
[ { "created": "Thu, 26 Aug 2021 07:00:28 GMT", "version": "v1" } ]
2022-02-09
[ [ "Yamada", "Wren A.", "" ], [ "Morimatsu", "Osamu", "" ], [ "Sato", "Toru", "" ], [ "Yazaki", "Koichi", "" ] ]
We demonstrate how S-matrix poles manifest themselves as the physical spectrum near the upper threshold in the context of the two-channel uniformized Mittag-Leffler expansion, an expression written as a sum of pole terms under an appropriate variable where the S-matrix is made single-valued (uniformization). We show th...
hep-ph/0110181
Igor Ivanov
I.P.Ivanov (1 and 2), N.N.Nikolaev (1 and 3), I.F.Ginzburg (2) ((1) IKP, Forschungszentrum Juelich, (2) Sobolev Institute of Mathematics, Novosibirsk, Russia, (3) L. D. Landau Institute for Theoretical Physics, Moscow, Russia)
Possible Odderon discovery at HERA via charge asymmetry in the diffractive pi+pi- production
4 pages, To appear in Proceedings of the 9th International Workshop on Deep Inelastic Scattering (DIS2001), Bologna, Italy, 27 Apr. - 1 May 2001
null
10.1142/9789812778345_0111
null
hep-ph
null
We discuss how the evasive Odderon signal can be enhanced by final state interactions. We suggest the charge asymmetry of pion spectra in diffractive pi+pi- photoproduction as a promising signature of the Odderon exchange.
[ { "created": "Mon, 15 Oct 2001 09:04:23 GMT", "version": "v1" } ]
2015-06-25
[ [ "Ivanov", "I. P.", "", "1 and 2" ], [ "Nikolaev", "N. N.", "", "1 and 3" ], [ "Ginzburg", "I. F.", "" ] ]
We discuss how the evasive Odderon signal can be enhanced by final state interactions. We suggest the charge asymmetry of pion spectra in diffractive pi+pi- photoproduction as a promising signature of the Odderon exchange.
1209.6318
Naoki Yamatsu
Naoki Yamatsu
New Mixing Structures of Chiral Generations in a Model with Noncompact Horizontal Symmetry
22 pages, 7 figures
null
10.1093/ptep/pts079
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
New mixing structures between chiral generations of elementary particles at low energy are shown in a vectorlike model with a horizontal symmetry SU(1,1). In this framework the chiral model including odd number chiral generations is realized via the spontaneous symmetry breaking of the horizontal symmetry. It is show...
[ { "created": "Thu, 27 Sep 2012 18:18:23 GMT", "version": "v1" } ]
2016-06-21
[ [ "Yamatsu", "Naoki", "" ] ]
New mixing structures between chiral generations of elementary particles at low energy are shown in a vectorlike model with a horizontal symmetry SU(1,1). In this framework the chiral model including odd number chiral generations is realized via the spontaneous symmetry breaking of the horizontal symmetry. It is shown ...
1012.4886
Hiroaki Sugiyama
Takeshi Fukuyama (Ritsumeikan U., Kusatsu & Kyoto sangyo U., Kyoto), Hiroaki Sugiyama (Ritsumeikan U., Kusatsu), Koji Tsumura (Natl. Taiwan U., Taipei)
Phenomenology in the Zee Model with the A_4 Symmetry
26 pages, 4 figures, version accepted by PRD
Phys.Rev.D83:056016,2011
10.1103/PhysRevD.83.056016
MISC-2010-21
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Zee model generates neutrino masses at the one-loop level by adding charged SU(2)_L-singlet and extra SU(2)_L-doublet scalars to the standard model of particle physics. As the origin of the nontrivial structure of the lepton flavor mixing, we introduce the softly broken A_4 symmetry to the Zee model. This model i...
[ { "created": "Wed, 22 Dec 2010 06:43:41 GMT", "version": "v1" }, { "created": "Tue, 28 Dec 2010 07:42:55 GMT", "version": "v2" }, { "created": "Wed, 6 Apr 2011 07:57:56 GMT", "version": "v3" } ]
2015-03-17
[ [ "Fukuyama", "Takeshi", "", "Ritsumeikan U., Kusatsu & Kyoto sangyo U., Kyoto" ], [ "Sugiyama", "Hiroaki", "", "Ritsumeikan U., Kusatsu" ], [ "Tsumura", "Koji", "", "Natl. Taiwan U.,\n Taipei" ] ]
The Zee model generates neutrino masses at the one-loop level by adding charged SU(2)_L-singlet and extra SU(2)_L-doublet scalars to the standard model of particle physics. As the origin of the nontrivial structure of the lepton flavor mixing, we introduce the softly broken A_4 symmetry to the Zee model. This model is ...
1006.2132
Zhong-Bo Kang
Zhong-Bo Kang (RIKEN BNL) and Dmitri E. Kharzeev (BNL)
Quark fragmentation in the $\theta$-vacuum
4 pages, 2 figures
Phys.Rev.Lett.106:042001,2011
10.1103/PhysRevLett.106.042001
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The vacuum of Quantum Chromodynamics is a superposition of degenerate states with different topological numbers that are connected by tunneling (the $\theta$-vacuum). The tunneling events are due to topologically non-trivial configurations of gauge fields (e.g. the instantons) that induce local $\p$-odd domains in Mi...
[ { "created": "Thu, 10 Jun 2010 19:55:52 GMT", "version": "v1" } ]
2011-02-01
[ [ "Kang", "Zhong-Bo", "", "RIKEN BNL" ], [ "Kharzeev", "Dmitri E.", "", "BNL" ] ]
The vacuum of Quantum Chromodynamics is a superposition of degenerate states with different topological numbers that are connected by tunneling (the $\theta$-vacuum). The tunneling events are due to topologically non-trivial configurations of gauge fields (e.g. the instantons) that induce local $\p$-odd domains in Mink...
0906.1072
Michael R. Pennington
M.R. Pennington
Hadronic structure from two photon collisions
3 pages, 3 figures Invited talk at the Workshop on Physics with KLOE2, LNF, Frascati, April 9-10, 2009
null
null
IPPP/09/45,DCPT/09/90
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We briefly describe what a two photon capability with KLOE2 can measure and discuss what this will teach us about the world of light hadrons.
[ { "created": "Fri, 5 Jun 2009 09:30:02 GMT", "version": "v1" } ]
2009-06-08
[ [ "Pennington", "M. R.", "" ] ]
We briefly describe what a two photon capability with KLOE2 can measure and discuss what this will teach us about the world of light hadrons.
1512.06819
Nathaniel Craig
Nathaniel Craig
Implications of SUSY Searches for Physics Beyond the Standard Model
8 pages, 3 figures; plenary talk presented at XXVIIth Rencontres de Blois, France, 31 May - 5 June 2015
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I discuss some essential features of the electroweak hierarchy problem and the ensuing motivation for weak-scale supersymmetry. Taking the hierarchy problem seriously, null results in searches for SUSY at the LHC favor specific regions of SUSY parameter space. More broadly, they suggest investigating a variety of alt...
[ { "created": "Mon, 21 Dec 2015 20:45:02 GMT", "version": "v1" } ]
2015-12-22
[ [ "Craig", "Nathaniel", "" ] ]
I discuss some essential features of the electroweak hierarchy problem and the ensuing motivation for weak-scale supersymmetry. Taking the hierarchy problem seriously, null results in searches for SUSY at the LHC favor specific regions of SUSY parameter space. More broadly, they suggest investigating a variety of alter...
2011.04807
Igor Anikin
I.V. Anikin
On $\xi$-process for DVCS-amplitude
7 pages, 3 figures; a few typos are fixed
Symmetry 2020, 12(12), 1996;
10.3390/sym12121996
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this note, we demonstrate in detail the $\xi$-process implementation applied to the deeply virtual Compton scattering amplitude to ensure both the QCD and QED gauge invariance. The presented details are also important for understanding of the contour gauge used in different processes.
[ { "created": "Mon, 9 Nov 2020 22:15:16 GMT", "version": "v1" }, { "created": "Wed, 2 Dec 2020 21:17:27 GMT", "version": "v2" } ]
2020-12-29
[ [ "Anikin", "I. V.", "" ] ]
In this note, we demonstrate in detail the $\xi$-process implementation applied to the deeply virtual Compton scattering amplitude to ensure both the QCD and QED gauge invariance. The presented details are also important for understanding of the contour gauge used in different processes.
hep-ph/0611102
Alan D. Martin
K. Hagiwara, A.D. Martin, Daisuke Nomura and T. Teubner
Improved predictions for g-2 of the muon and \alpha_{\rm QED}(M_Z^2)
12 pages, 5 figures. Version to be published in Phys. Lett. B
Phys.Lett.B649:173-179,2007
10.1016/j.physletb.2007.04.012
KEK-TH-1112, IPPP/06/72, DCPT/06/144, LTH 729
hep-ph
null
We update the Standard Model predictions of the anomalous magnetic moment of the muon, a_\mu = (g-2)/2, and the value of the QED coupling at the Z-boson mass, incorporating the new e^+e^- \to \pi\pi data obtained by CMD-2 and KLOE, as well as the corrected SND data, and other improvements. The prediction for a_\mu=11...
[ { "created": "Wed, 8 Nov 2006 17:35:35 GMT", "version": "v1" }, { "created": "Fri, 6 Apr 2007 14:13:09 GMT", "version": "v2" }, { "created": "Fri, 20 Apr 2007 14:07:31 GMT", "version": "v3" } ]
2008-11-26
[ [ "Hagiwara", "K.", "" ], [ "Martin", "A. D.", "" ], [ "Nomura", "Daisuke", "" ], [ "Teubner", "T.", "" ] ]
We update the Standard Model predictions of the anomalous magnetic moment of the muon, a_\mu = (g-2)/2, and the value of the QED coupling at the Z-boson mass, incorporating the new e^+e^- \to \pi\pi data obtained by CMD-2 and KLOE, as well as the corrected SND data, and other improvements. The prediction for a_\mu=1165...
1402.5470
Ailin Zhang
Li-Jin Chen, Dan-Dan Ye and Ailin Zhang
Is $Y(4008)$ possibly a $1^{--}$ $\psi(3^3S_1)$ state?
6 pages, 3 figures, 6 tables, RevTex
null
10.1140/epjc/s10052-014-3031-z
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The strong decays of the radially excited $\psi(3^3S_1)$ state are studied within the $^3P_0$ model. As a believed $\psi(3^3S_1)$, some strong decay widths and relevant ratios of $\psi(4040)$ are calculated in the model. The theoretical results are consistent with experiments. In a similar way, as a possible $\psi(3^...
[ { "created": "Sat, 22 Feb 2014 03:19:12 GMT", "version": "v1" } ]
2015-06-18
[ [ "Chen", "Li-Jin", "" ], [ "Ye", "Dan-Dan", "" ], [ "Zhang", "Ailin", "" ] ]
The strong decays of the radially excited $\psi(3^3S_1)$ state are studied within the $^3P_0$ model. As a believed $\psi(3^3S_1)$, some strong decay widths and relevant ratios of $\psi(4040)$ are calculated in the model. The theoretical results are consistent with experiments. In a similar way, as a possible $\psi(3^3S...
2211.13030
Tom Tong
Ashutosh Kotwal, Joaquim Matias, Andrea Mauri, Tom Tong, Lukas Varnhorst
Round table on Standard Model Anomalies
Proceedings of the XVth Quark Confinement and the Hadron Spectrum conference, August 1st - 6th, 2022, University of Stavanger, Norway
null
10.1051/epjconf/202227401006
null
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This contribution to the XVth Quark Confinement and the Hadron Spectrum conference covers a description, both theoretical and experimental, of the present status of a set of very different anomalies. The discussion ranges from the long standing $b \to sll$ anomalies, $(g-2)$ and the new $M_W$ anomaly.
[ { "created": "Wed, 23 Nov 2022 15:31:58 GMT", "version": "v1" }, { "created": "Sun, 11 Dec 2022 22:02:08 GMT", "version": "v2" } ]
2023-01-11
[ [ "Kotwal", "Ashutosh", "" ], [ "Matias", "Joaquim", "" ], [ "Mauri", "Andrea", "" ], [ "Tong", "Tom", "" ], [ "Varnhorst", "Lukas", "" ] ]
This contribution to the XVth Quark Confinement and the Hadron Spectrum conference covers a description, both theoretical and experimental, of the present status of a set of very different anomalies. The discussion ranges from the long standing $b \to sll$ anomalies, $(g-2)$ and the new $M_W$ anomaly.
1308.4297
Palash Baran Pal
Gautam Bhattacharyya, Dipankar Das, Palash B. Pal, M. N. Rebelo
Scalar sector properties of two-Higgs-doublet models with a global U(1) symmetry
12 pages, 15 eps figure files; minor modifications made and a few references added
JHEP 1310 (2013) 081
10.1007/JHEP10(2013)081
SINP/TNP/2013/12
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the scalar sector properties of a general class of two-Higgs-doublet models which has a global U(1) symmetry in the quartic terms. We find constraints on the parameters of the potential from the considerations of unitarity of scattering amplitudes, the global stability of the potential and the $\rho$-param...
[ { "created": "Tue, 20 Aug 2013 13:14:13 GMT", "version": "v1" }, { "created": "Fri, 20 Sep 2013 06:58:59 GMT", "version": "v2" } ]
2013-10-23
[ [ "Bhattacharyya", "Gautam", "" ], [ "Das", "Dipankar", "" ], [ "Pal", "Palash B.", "" ], [ "Rebelo", "M. N.", "" ] ]
We analyze the scalar sector properties of a general class of two-Higgs-doublet models which has a global U(1) symmetry in the quartic terms. We find constraints on the parameters of the potential from the considerations of unitarity of scattering amplitudes, the global stability of the potential and the $\rho$-paramet...
1701.08019
Yi Liao
Yi Liao, Xiao-Dong Ma
Perturbative Power Counting, Lowest-Index Operators and Their Renormalization in Standard Model Effective Field Theory
7 pages, 2 figures, 2 tables; v2: added a few refs and one sentence, without other changes; v3: minor rewording, published version
Commun. Theor. Phys. 69 (2018) 285
10.1088/0253-6102/69/3/285
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study two aspects of higher dimensional operators in standard model effective field theory. We first introduce a perturbative power counting rule for the entries in the anomalous dimension matrix of operators with equal mass dimension. The power counting is determined by the number of loops and the difference of t...
[ { "created": "Fri, 27 Jan 2017 11:33:53 GMT", "version": "v1" }, { "created": "Fri, 10 Feb 2017 08:58:44 GMT", "version": "v2" }, { "created": "Mon, 5 Mar 2018 14:20:49 GMT", "version": "v3" } ]
2018-04-04
[ [ "Liao", "Yi", "" ], [ "Ma", "Xiao-Dong", "" ] ]
We study two aspects of higher dimensional operators in standard model effective field theory. We first introduce a perturbative power counting rule for the entries in the anomalous dimension matrix of operators with equal mass dimension. The power counting is determined by the number of loops and the difference of the...
1204.3499
Ryosuke Sato
Masahiro Ibe and Ryosuke Sato
A 125 GeV Higgs Boson Mass and Gravitino Dark Matter in R-invariant Direct Gauge Mediation
15 pages, 6 figures; v2: section 5 added (version accepted for the publication of PLB)
null
10.1016/j.physletb.2012.09.018
ICRR-Report-613-2012-2; IPMU-12-0035; UT-12-08
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the SM-like Higgs boson mass in the MSSM in an R-invariant direct gauge mediation model with the gravitino mass in the O(1) keV range. The gravitino dark matter scenario in this mass range is a good candidate for a slightly warm dark matter. We show that the Higgs boson mass around 125 GeV suggested by the...
[ { "created": "Mon, 16 Apr 2012 14:33:23 GMT", "version": "v1" }, { "created": "Thu, 20 Sep 2012 16:45:35 GMT", "version": "v2" } ]
2015-06-04
[ [ "Ibe", "Masahiro", "" ], [ "Sato", "Ryosuke", "" ] ]
We discuss the SM-like Higgs boson mass in the MSSM in an R-invariant direct gauge mediation model with the gravitino mass in the O(1) keV range. The gravitino dark matter scenario in this mass range is a good candidate for a slightly warm dark matter. We show that the Higgs boson mass around 125 GeV suggested by the A...
hep-ph/9403289
Jutta Kunz
Burkhard Kleihaus and Jutta Kunz
Multisphalerons in the Weak Interactions
10 pages, latex, 8 figures in uuencoded postscript files. THU-94/04
Phys.Lett. B329 (1994) 61-67
10.1016/0370-2693(94)90517-7
null
hep-ph
null
We construct multisphaleron solutions in the weak interactions. The multisphaleron solutions carry Chern-Simons charge $n/2$, where $n$ is an integer. The well-known sphaleron has $n=1$ and is spherically symmetric for vanishing mixing angle. In contrast the multisphalerons with $n>1$ are only axially symmetric, even...
[ { "created": "Tue, 15 Mar 1994 10:30:44 GMT", "version": "v1" } ]
2009-10-28
[ [ "Kleihaus", "Burkhard", "" ], [ "Kunz", "Jutta", "" ] ]
We construct multisphaleron solutions in the weak interactions. The multisphaleron solutions carry Chern-Simons charge $n/2$, where $n$ is an integer. The well-known sphaleron has $n=1$ and is spherically symmetric for vanishing mixing angle. In contrast the multisphalerons with $n>1$ are only axially symmetric, even f...
2011.07799
Xing-Dao Guo
Jian-Wen Zhu, Xing-Dao Guo, Ren-You Zhang, Wen-Gan Ma, and Xue-Qian Li
A possible interpretation for $X(6900)$ observed in four-muon final state by LHCb -- A light Higgs-like boson?
5 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A peak structure of $J/\psi$ pair production around $6.9~{\rm GeV}$ was observed and analyzed by the LHCb collaboration using the Run I and II data of LHC. How to understand this peak arouses enthusiastic discussions among both theorists and experimentalists of high energy physics, because this discovery might hint s...
[ { "created": "Mon, 16 Nov 2020 09:00:57 GMT", "version": "v1" } ]
2020-11-17
[ [ "Zhu", "Jian-Wen", "" ], [ "Guo", "Xing-Dao", "" ], [ "Zhang", "Ren-You", "" ], [ "Ma", "Wen-Gan", "" ], [ "Li", "Xue-Qian", "" ] ]
A peak structure of $J/\psi$ pair production around $6.9~{\rm GeV}$ was observed and analyzed by the LHCb collaboration using the Run I and II data of LHC. How to understand this peak arouses enthusiastic discussions among both theorists and experimentalists of high energy physics, because this discovery might hint som...
1604.06800
Tongyan Lin
Yonit Hochberg, Tongyan Lin, Kathryn M. Zurek
Detecting Ultralight Bosonic Dark Matter via Absorption in Superconductors
10 pages, 5 figures
Phys. Rev. D 94, 015019 (2016)
10.1103/PhysRevD.94.015019
null
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Superconducting targets have recently been proposed for the direct detection of dark matter as light as a keV, via elastic scattering off conduction electrons in Cooper pairs. Detecting such light dark matter requires sensitivity to energies as small as the superconducting gap of O(meV). Here we show that these same ...
[ { "created": "Fri, 22 Apr 2016 20:00:01 GMT", "version": "v1" } ]
2016-07-27
[ [ "Hochberg", "Yonit", "" ], [ "Lin", "Tongyan", "" ], [ "Zurek", "Kathryn M.", "" ] ]
Superconducting targets have recently been proposed for the direct detection of dark matter as light as a keV, via elastic scattering off conduction electrons in Cooper pairs. Detecting such light dark matter requires sensitivity to energies as small as the superconducting gap of O(meV). Here we show that these same su...
hep-ph/9809413
Avtandil Tkabladze
Wolf-Dieter Nowak and Avto Tkabladze (DESY, Zeuthen)
Double Spin Asymmetries in P-wave Charmonium Hadroproduction
10 pages, LaTeX, with 5 eps figs included with epsfig.sty
Phys.Lett. B443 (1998) 379-386
10.1016/S0370-2693(98)01289-1
DESY 98-139
hep-ph
null
We discuss the double spin asymmetries in P-wave charmonium hadroproduction with non-zero transverse momenta at fixed target energies, $\sqrt{s}\simeq40$ GeV, within the framework of the NRQCD factorization approach. The size of the asymmetries and the projected statistical errors in a future option of HERA with long...
[ { "created": "Wed, 16 Sep 1998 14:37:15 GMT", "version": "v1" } ]
2009-10-31
[ [ "Nowak", "Wolf-Dieter", "", "DESY, Zeuthen" ], [ "Tkabladze", "Avto", "", "DESY, Zeuthen" ] ]
We discuss the double spin asymmetries in P-wave charmonium hadroproduction with non-zero transverse momenta at fixed target energies, $\sqrt{s}\simeq40$ GeV, within the framework of the NRQCD factorization approach. The size of the asymmetries and the projected statistical errors in a future option of HERA with longit...
2112.09111
Alessandro Strumia
Alessandro Strumia
Dark Matter interpretation of the neutron decay anomaly
15 pages, 3 figures. Published version. Associated webinar: https://youtu.be/Q1bUrpQqTQs
null
10.1007/JHEP02(2022)067
null
hep-ph astro-ph.HE hep-ex
http://creativecommons.org/licenses/by/4.0/
We add to the Standard Model a new fermion $\chi$ with minimal baryon number 1/3. Neutron decay $n \to \chi\chi\chi$ into non-relativistic $\chi$ can account for the neutron decay anomaly, compatibly with bounds from neutron stars. $\chi$ can be Dark Matter, and its cosmological abundance can be generated by freeze-i...
[ { "created": "Thu, 16 Dec 2021 18:51:01 GMT", "version": "v1" }, { "created": "Fri, 18 Mar 2022 16:07:01 GMT", "version": "v2" } ]
2022-03-21
[ [ "Strumia", "Alessandro", "" ] ]
We add to the Standard Model a new fermion $\chi$ with minimal baryon number 1/3. Neutron decay $n \to \chi\chi\chi$ into non-relativistic $\chi$ can account for the neutron decay anomaly, compatibly with bounds from neutron stars. $\chi$ can be Dark Matter, and its cosmological abundance can be generated by freeze-in ...
hep-ph/9510306
Daniel Ng
Daniel Ng and John N. Ng
A note on Majorana neutrinos, leptonic CKM and electron electric dipole moment
7 pages and 1 figure
Mod.Phys.Lett.A11:211-216,1996
10.1142/S0217732396000254
TRI-PP-95-69
hep-ph
null
The electric dipole moment of the electron, $d_e$, is known to vanish up to thre e-loops in the standard model with massless neutrinos. However, if neutrinos are massive Majorana particles, we obtain the result that $d_e$ induced by leptonic CKM mechanism is non-vanishing at two-loop order, and it applies to all mass...
[ { "created": "Mon, 16 Oct 1995 19:07:14 GMT", "version": "v1" } ]
2014-11-17
[ [ "Ng", "Daniel", "" ], [ "Ng", "John N.", "" ] ]
The electric dipole moment of the electron, $d_e$, is known to vanish up to thre e-loops in the standard model with massless neutrinos. However, if neutrinos are massive Majorana particles, we obtain the result that $d_e$ induced by leptonic CKM mechanism is non-vanishing at two-loop order, and it applies to all massiv...
1910.09431
Zhao-Huan Yu
Yu-Pan Zeng, Chengfeng Cai, Dan-Yang Liu, Zhao-Huan Yu, Hong-Hao Zhang
Probing quadruplet scalar dark matter at current and future $pp$ colliders
29 pages, 9 figures; revisions to match the published version
Phys. Rev. D 101, 115033 (2020)
10.1103/PhysRevD.101.115033
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate a dark matter model involving an inert $\mathrm{SU}(2)_\mathrm{L}$ quadruplet scalar with hypercharge 1/2. After the electroweak symmetry breaking, the dark sector contains one doubly charged, two singly charged, and two neutral scalars. The lighter neutral scalar can be a viable dark matter candidate....
[ { "created": "Mon, 21 Oct 2019 15:07:03 GMT", "version": "v1" }, { "created": "Fri, 25 Oct 2019 09:56:40 GMT", "version": "v2" }, { "created": "Thu, 25 Jun 2020 03:41:08 GMT", "version": "v3" } ]
2020-06-26
[ [ "Zeng", "Yu-Pan", "" ], [ "Cai", "Chengfeng", "" ], [ "Liu", "Dan-Yang", "" ], [ "Yu", "Zhao-Huan", "" ], [ "Zhang", "Hong-Hao", "" ] ]
We investigate a dark matter model involving an inert $\mathrm{SU}(2)_\mathrm{L}$ quadruplet scalar with hypercharge 1/2. After the electroweak symmetry breaking, the dark sector contains one doubly charged, two singly charged, and two neutral scalars. The lighter neutral scalar can be a viable dark matter candidate. E...
hep-ph/0209003
Keith OIive
D. A. Demir, Tony Gherghetta, and Keith A. Olive
Preserving the Lepton Asymmetry in the Brane World
13 pages, latex, 2 eps figure clarifications and reference added
Phys.Lett.B549:194-203,2002
10.1016/S0370-2693(02)02902-7
UMN-TH-2110/02, TPI-MINN-02/39
hep-ph
null
In models where the Standard Model spectrum is localized on a brane embedded in a higher dimensional spacetime, we discuss the lepton number violation induced by the emission of right-handed neutrinos from the brane. We show that quite generically the presence of the right-handed neutrinos in the bulk leads to rapid ...
[ { "created": "Fri, 30 Aug 2002 23:30:01 GMT", "version": "v1" }, { "created": "Mon, 9 Sep 2002 20:14:26 GMT", "version": "v2" } ]
2009-09-15
[ [ "Demir", "D. A.", "" ], [ "Gherghetta", "Tony", "" ], [ "Olive", "Keith A.", "" ] ]
In models where the Standard Model spectrum is localized on a brane embedded in a higher dimensional spacetime, we discuss the lepton number violation induced by the emission of right-handed neutrinos from the brane. We show that quite generically the presence of the right-handed neutrinos in the bulk leads to rapid le...
hep-ph/0308103
Mayda M. Velasco
David Asner, Stephen Asztalos, Albert De Roeck, Sven Heinemeyer, Jeff Gronberg, John F. Gunion, Heather E. Logan, Victoria Martin, Michal Szleper, Mayda M. Velasco
Complementarity of a Low Energy Photon Collider and LHC Physics
29 pages, 37 figure, LP-2003
null
null
nuhep-exp/03-003, uCD-03-08
hep-ph
null
We discuss the complementarity between the LHC and a low energy photon collider. We mostly consider the scenario, where the first linear collider is a photon collider based on dual beam technology like CLIC.
[ { "created": "Sat, 9 Aug 2003 01:57:35 GMT", "version": "v1" } ]
2009-09-29
[ [ "Asner", "David", "" ], [ "Asztalos", "Stephen", "" ], [ "De Roeck", "Albert", "" ], [ "Heinemeyer", "Sven", "" ], [ "Gronberg", "Jeff", "" ], [ "Gunion", "John F.", "" ], [ "Logan", "Heather E.", "" ], ...
We discuss the complementarity between the LHC and a low energy photon collider. We mostly consider the scenario, where the first linear collider is a photon collider based on dual beam technology like CLIC.
1207.4609
Samuel Wallon
T. Altinoluk, B. Pire, L. Szymanowski, S. Wallon
Resumming soft and collinear contributions in deeply virtual Compton scattering
14 figures
null
10.1007/JHEP10(2012)049
CPHT-RR066.0712; LPT-ORSAY-12-82
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the quark coefficient function Tq(x,xi) that enters the factorized amplitude for deeply virtual Compton scattering (DVCS) at all order in a soft and collinear gluon approximation, focusing on the leading double logarithmic behavior in x +/- xi, where x +/- xi is the light cone momentum fraction of the in...
[ { "created": "Thu, 19 Jul 2012 10:41:10 GMT", "version": "v1" } ]
2015-06-05
[ [ "Altinoluk", "T.", "" ], [ "Pire", "B.", "" ], [ "Szymanowski", "L.", "" ], [ "Wallon", "S.", "" ] ]
We calculate the quark coefficient function Tq(x,xi) that enters the factorized amplitude for deeply virtual Compton scattering (DVCS) at all order in a soft and collinear gluon approximation, focusing on the leading double logarithmic behavior in x +/- xi, where x +/- xi is the light cone momentum fraction of the inco...
hep-ph/9803429
Gabriel Sanchez-Colon
V. Gupta (1), P. Ritto (1), and G. Sanchez-Colon (1,2) ((1) CINVESTAV-Merida, (2) UC-Riverside)
Masses, Magnetic Moments, and Semileptonic Decays of Spin 1/2 Baryons with Sea Contribution
Submitted to Int. J. of Mod. Phys. A (1998)
Mod.Phys.Lett. A13 (1998) 2887-2902
10.1142/S0217732398003065
IJMPA_0398
hep-ph
null
The spin 1/2 baryons are pictured as a composite system made out of a "core" of three valence quarks (as in the simple quark model) surrounded by a "sea" (of gluon and $q\bar{q}$ pairs) which is specified by its total quantum numbers. We assume the sea is a SU(3) flavor octet with spin 0 or 1 but no color. This model...
[ { "created": "Mon, 23 Mar 1998 20:03:02 GMT", "version": "v1" } ]
2009-10-31
[ [ "Gupta", "V.", "" ], [ "Ritto", "P.", "" ], [ "Sanchez-Colon", "G.", "" ] ]
The spin 1/2 baryons are pictured as a composite system made out of a "core" of three valence quarks (as in the simple quark model) surrounded by a "sea" (of gluon and $q\bar{q}$ pairs) which is specified by its total quantum numbers. We assume the sea is a SU(3) flavor octet with spin 0 or 1 but no color. This model, ...
hep-ph/9409378
Alexander Khodjamirian
A. Khodjamirian, R. R\"uckl
Heavy Meson Form Factors, Couplings and Exclusive Decays in QCD
5 pages +1 figure added as uuencoded .ps file, LaTeX ( presented by R. R\"uckl at the QCD-94 Workshop " Montpellier, July 7-13 1994), MPI-PhT/94-63, LMU-16/94
Nucl.Phys.Proc.Suppl. 39BC (1995) 396-398
10.1016/0920-5632(95)00108-L
null
hep-ph
null
We discuss the form factors of the heavy-to-light transitions $B \ra \pi$ and $D\ra \pi$, the $B^*B \pi$ and $D^*D \pi$ coupling constants, and the nonfactorizable amplitude of the decay $ B \ra J/\psi K$ in the framework of QCD sum rules.
[ { "created": "Wed, 21 Sep 1994 19:02:28 GMT", "version": "v1" } ]
2009-10-28
[ [ "Khodjamirian", "A.", "" ], [ "Rückl", "R.", "" ] ]
We discuss the form factors of the heavy-to-light transitions $B \ra \pi$ and $D\ra \pi$, the $B^*B \pi$ and $D^*D \pi$ coupling constants, and the nonfactorizable amplitude of the decay $ B \ra J/\psi K$ in the framework of QCD sum rules.
1902.04110
Fabio Siringo
Fabio Siringo
Calculation of the non-perturbative strong coupling from first principles
In the last versions a typo has been corrected in Table I and a figure has been added (fig1b), illustrating the optimization of the ghost function
Phys. Rev. D 100, 074014 (2019)
10.1103/PhysRevD.100.074014
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The success of the screened massive expansion is investigated in the framework of a screened momentum-subtraction scheme for the running of the strong coupling in pure Yang-Mills theory. By the exact Slavnov-Taylor and Nielsen identities, a very predictive and self-contained set of stationary conditions are derived f...
[ { "created": "Mon, 11 Feb 2019 19:39:39 GMT", "version": "v1" }, { "created": "Sat, 28 Sep 2019 08:59:27 GMT", "version": "v2" }, { "created": "Sun, 6 Oct 2019 19:53:00 GMT", "version": "v3" } ]
2019-10-16
[ [ "Siringo", "Fabio", "" ] ]
The success of the screened massive expansion is investigated in the framework of a screened momentum-subtraction scheme for the running of the strong coupling in pure Yang-Mills theory. By the exact Slavnov-Taylor and Nielsen identities, a very predictive and self-contained set of stationary conditions are derived for...
hep-ph/0611131
Jinfeng Liao
Jinfeng Liao and Edward Shuryak
Strongly coupled plasma with electric and magnetic charges
2nd version, 22 pages, 32 figures: two important new figures have been included to compare our results with RHIC experiments and AdS/CFT results; a few new references and comments are added as well
Phys.Rev.C75:054907,2007
10.1103/PhysRevC.75.054907
null
hep-ph
null
A number of theoretical and lattice results lead us to believe that Quark-Gluon Plasma not too far from $T_c$ contains not only electrically charged quasiparticles -- quarks and gluons -- but magnetically charged ones -- monopoles and dyons -- as well. Although binary systems like charge-monopole and charge-dyon were...
[ { "created": "Thu, 9 Nov 2006 20:48:13 GMT", "version": "v1" }, { "created": "Tue, 12 Dec 2006 02:20:09 GMT", "version": "v2" } ]
2008-11-26
[ [ "Liao", "Jinfeng", "" ], [ "Shuryak", "Edward", "" ] ]
A number of theoretical and lattice results lead us to believe that Quark-Gluon Plasma not too far from $T_c$ contains not only electrically charged quasiparticles -- quarks and gluons -- but magnetically charged ones -- monopoles and dyons -- as well. Although binary systems like charge-monopole and charge-dyon were c...
hep-ph/9712445
Bhaskar Dutta
N.G. Deshpande, B. Dutta, and Sechul Oh
Branching Ratios and CP Asymmetries of B Decays to a Vector and a Pseudoscalar Meson
15 pages(Latex), 3 Figures
Phys.Lett. B473 (2000) 141-147
10.1016/S0370-2693(99)01460-4
OITS-644, COLO-HEP-394
hep-ph
null
We consider two body decays of B meson into a light vector (V) and a pseudoscalar (P) meson. The constraint obtained from the $B\to P P$ modes on the parameter space of the input parameters is imposed also on $B\to V P$ modes. In particular we constrain $\xi\equiv (1/N_c)$ for those modes from recently measured $B\to...
[ { "created": "Thu, 18 Dec 1997 22:17:49 GMT", "version": "v1" } ]
2009-10-30
[ [ "Deshpande", "N. G.", "" ], [ "Dutta", "B.", "" ], [ "Oh", "Sechul", "" ] ]
We consider two body decays of B meson into a light vector (V) and a pseudoscalar (P) meson. The constraint obtained from the $B\to P P$ modes on the parameter space of the input parameters is imposed also on $B\to V P$ modes. In particular we constrain $\xi\equiv (1/N_c)$ for those modes from recently measured $B\to \...
hep-ph/9207250
null
A. Zhitnitsky
Once more on $\theta$-vacua in $2+1$ dimensional QED and 3+1 dimensional gluodynamics
15 pages
Phys.Lett.B291:465-472,1992
10.1016/0370-2693(92)91405-X
IASSNS 91-76
hep-ph
null
Two different but tightly connected problems, $U(1)$ and strong CP violation problems, are discussed in two different models which exhibit both asymptotic freedom and confinement. One of them is the 3d Polyakov's model of compact QED and the other is 4d gluodynamics. It is shown that although both these models posses...
[ { "created": "Tue, 21 Jul 1992 08:39:46 GMT", "version": "v1" } ]
2010-11-01
[ [ "Zhitnitsky", "A.", "" ] ]
Two different but tightly connected problems, $U(1)$ and strong CP violation problems, are discussed in two different models which exhibit both asymptotic freedom and confinement. One of them is the 3d Polyakov's model of compact QED and the other is 4d gluodynamics. It is shown that although both these models possess ...
1612.01795
Reza Goldouzian
Reza Goldouzian and Barbara Clerbaux
Search for anomalous tq$\gamma$ FCNC Couplings in direct single top quark production at the LHC
Presented at '9th International Workshop on Top Quark Physics', Olomouc, Czech Republic, September 19-23 (2016). Complete paper can be found in arXiv:1609.04838
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we propose and study direct single top quark production channel for probing the tq$\gamma$ flavor-changing neutral current (FCNC) interactions at the LHC. We reinterpret the experimental results of a search for direct single top quark production performed by ATLAS collaboration at 8 TeV to set upper bou...
[ { "created": "Tue, 6 Dec 2016 13:16:01 GMT", "version": "v1" } ]
2016-12-07
[ [ "Goldouzian", "Reza", "" ], [ "Clerbaux", "Barbara", "" ] ]
In this paper we propose and study direct single top quark production channel for probing the tq$\gamma$ flavor-changing neutral current (FCNC) interactions at the LHC. We reinterpret the experimental results of a search for direct single top quark production performed by ATLAS collaboration at 8 TeV to set upper bound...
2106.15053
Zhan-Wei Liu
Ming-Wei Li, Zhan-Wei Liu, Zhi-Feng Sun, Rui Chen
Magnetic moments and transition magnetic moments of $P_c$ and $P_{cs}$ states
8 pages, 5 tables; version appeared in Phys. Rev. D
Phys. Rev. D 104, 054016 (2021)
10.1103/PhysRevD.104.054016
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We study the magnetic moments and transition magnetic moments of $P_c$ and $P_{cs}$ states in the molecular picture. We first revisit the magnetic moments of $P_c$ states as the $S$ wave molecular states without coupled channel effects. The coupled channel effects and the $D$ wave contributions are then investigated ...
[ { "created": "Tue, 29 Jun 2021 01:47:35 GMT", "version": "v1" }, { "created": "Thu, 16 Sep 2021 15:54:59 GMT", "version": "v2" } ]
2021-09-22
[ [ "Li", "Ming-Wei", "" ], [ "Liu", "Zhan-Wei", "" ], [ "Sun", "Zhi-Feng", "" ], [ "Chen", "Rui", "" ] ]
We study the magnetic moments and transition magnetic moments of $P_c$ and $P_{cs}$ states in the molecular picture. We first revisit the magnetic moments of $P_c$ states as the $S$ wave molecular states without coupled channel effects. The coupled channel effects and the $D$ wave contributions are then investigated ca...
1303.1603
Paul Hoyer
Paul Hoyer
Are hadrons simpler than they seem?
4 pages. Talk presented at the 3rd Workshop on the QCD Structure of the Nucleon (QCD-N'12), 22-26 October 2012 in Bilbao, Spain
null
10.1393/ncc/i2013-11573-7
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I briefly review a systematic approximation scheme of QCD in which the quark model picture of hadrons emerges at lowest order. A linear A^0 potential arises if Gauss' law is solved with a non-vanishing boundary condition at spatial infinity. Similarly to the Dirac case one can describe relativistic states including a...
[ { "created": "Thu, 7 Mar 2013 04:52:43 GMT", "version": "v1" } ]
2022-03-02
[ [ "Hoyer", "Paul", "" ] ]
I briefly review a systematic approximation scheme of QCD in which the quark model picture of hadrons emerges at lowest order. A linear A^0 potential arises if Gauss' law is solved with a non-vanishing boundary condition at spatial infinity. Similarly to the Dirac case one can describe relativistic states including any...
hep-ph/9502364
G. B. Pivovarov
Grigorii B. Pivovarov
Gauge Dependence of Four-Fermion QED Green Function and Atom-Like Bound State Calculations
10 pages, latex, no figures, lines longer than 80 char corrected
null
null
INR-0881/95
hep-ph
null
We derive a relation between four-fermion QED Green functions of different covariant gauges which defines the gauge dependence completely. We use the derived gauge dependence to check the gauge invariance of atom-like bound state calculations. We find that the existing QED procedure does not provide gauge invariant b...
[ { "created": "Wed, 22 Feb 1995 09:18:26 GMT", "version": "v1" }, { "created": "Thu, 23 Feb 1995 12:54:46 GMT", "version": "v2" } ]
2016-09-01
[ [ "Pivovarov", "Grigorii B.", "" ] ]
We derive a relation between four-fermion QED Green functions of different covariant gauges which defines the gauge dependence completely. We use the derived gauge dependence to check the gauge invariance of atom-like bound state calculations. We find that the existing QED procedure does not provide gauge invariant bin...
1912.13129
Yevgeny Stadnik
V. V. Flambaum, M. Pospelov, A. Ritz, Y. V. Stadnik
Sensitivity of EDM experiments in paramagnetic atoms and molecules to hadronic CP violation
7 pages, 3 figures, version accepted for publication in Physical Review D
Phys. Rev. D 102, 035001 (2020)
10.1103/PhysRevD.102.035001
null
hep-ph nucl-th physics.atom-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Experiments searching for the electric dipole moment (EDM) of the electron $d_e$ utilise atomic/molecular states with one or more uncompensated electron spins, and these paramagnetic systems have recently achieved remarkable sensitivity to $d_e$. If the source of $CP$ violation resides entirely in the hadronic sector...
[ { "created": "Tue, 31 Dec 2019 00:52:10 GMT", "version": "v1" }, { "created": "Wed, 22 Apr 2020 09:30:39 GMT", "version": "v2" }, { "created": "Tue, 28 Jul 2020 03:45:37 GMT", "version": "v3" } ]
2020-08-12
[ [ "Flambaum", "V. V.", "" ], [ "Pospelov", "M.", "" ], [ "Ritz", "A.", "" ], [ "Stadnik", "Y. V.", "" ] ]
Experiments searching for the electric dipole moment (EDM) of the electron $d_e$ utilise atomic/molecular states with one or more uncompensated electron spins, and these paramagnetic systems have recently achieved remarkable sensitivity to $d_e$. If the source of $CP$ violation resides entirely in the hadronic sector, ...
2101.11200
Xiang Liu
Fu-Lai Wang, Xin-Dian Yang, Rui Chen and Xiang Liu
Hidden-charm pentaquarks with triple strangeness due to the $\Omega_{c}^{(*)}\bar{D}_s^{(*)}$ interactions
11 pages, 3 figures and 7 tables. More discussions added. Accepted by Phys. Rev. D
Phys. Rev. D 103, 054025 (2021)
10.1103/PhysRevD.103.054025
null
hep-ph hep-ex
http://creativecommons.org/publicdomain/zero/1.0/
Motivated by the successful interpretation of these observed $P_c$ and $P_{cs}$ states under the meson-baryon molecular picture, we systematically investigate the possible hidden-charm molecular pentaquark states with triple strangeness which is due to the $\Omega_{c}^{(*)}\bar{D}_s^{(*)}$ interactions. We perform a ...
[ { "created": "Wed, 27 Jan 2021 04:37:22 GMT", "version": "v1" }, { "created": "Wed, 24 Feb 2021 08:23:38 GMT", "version": "v2" }, { "created": "Mon, 22 Mar 2021 16:07:07 GMT", "version": "v3" } ]
2021-03-31
[ [ "Wang", "Fu-Lai", "" ], [ "Yang", "Xin-Dian", "" ], [ "Chen", "Rui", "" ], [ "Liu", "Xiang", "" ] ]
Motivated by the successful interpretation of these observed $P_c$ and $P_{cs}$ states under the meson-baryon molecular picture, we systematically investigate the possible hidden-charm molecular pentaquark states with triple strangeness which is due to the $\Omega_{c}^{(*)}\bar{D}_s^{(*)}$ interactions. We perform a dy...
0907.5387
Guido Mueller
Guido Mueller, Pierre Sikivie, D.B. Tanner, Karl van Bibber
Detailed design of a resonantly-enhanced axion-photon regeneration experiment
10 pages, 5 figures
Phys.Rev.D80:072004,2009
10.1103/PhysRevD.80.072004
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A resonantly-enhanced photon-regeneration experiment to search for the axion or axion-like particles is described. This experiment is a shining light through walls study, where photons travelling through a strong magnetic field are (in part) converted to axions; the axions can pass through an opaque wall and convert ...
[ { "created": "Thu, 30 Jul 2009 18:20:51 GMT", "version": "v1" }, { "created": "Wed, 16 Sep 2009 22:03:27 GMT", "version": "v2" } ]
2009-10-29
[ [ "Mueller", "Guido", "" ], [ "Sikivie", "Pierre", "" ], [ "Tanner", "D. B.", "" ], [ "van Bibber", "Karl", "" ] ]
A resonantly-enhanced photon-regeneration experiment to search for the axion or axion-like particles is described. This experiment is a shining light through walls study, where photons travelling through a strong magnetic field are (in part) converted to axions; the axions can pass through an opaque wall and convert (i...
2209.10816
Cong Zhang
Jinmian Li, Junle Pei, Cong Zhang
Investigating the collinear splitting effects of boosted dark matter at neutrino detectors
27 pages, 7 figures, version to appear in JHEP
null
10.1007/JHEP02(2023)068
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the probing prospects of cosmic ray boosted dark matter (DM) in the framework of simplified electron-philic dark photon model. Focusing on the dark matter and dark photon masses around keV $\sim $ MeV scale, we consider the bounds obtained from the XENON1T and Super-K experiments. The electron bound state ef...
[ { "created": "Thu, 22 Sep 2022 06:49:01 GMT", "version": "v1" }, { "created": "Tue, 7 Feb 2023 07:04:12 GMT", "version": "v2" } ]
2023-02-13
[ [ "Li", "Jinmian", "" ], [ "Pei", "Junle", "" ], [ "Zhang", "Cong", "" ] ]
We study the probing prospects of cosmic ray boosted dark matter (DM) in the framework of simplified electron-philic dark photon model. Focusing on the dark matter and dark photon masses around keV $\sim $ MeV scale, we consider the bounds obtained from the XENON1T and Super-K experiments. The electron bound state effe...
hep-ph/9901207
Robert Brandenberger
V. Zanchin, A. Maia Jr., W. Craig and R. Brandenberger
Reheating in the Presence of Inhomogeneous Noise
21 pages, 4 figures
Phys.Rev. D60 (1999) 023505
10.1103/PhysRevD.60.023505
BROWN-HET-1085
hep-ph astro-ph gr-qc
null
Explosive particle production due to parametric resonance is a crucial feature of reheating in an inflationary cosmology. Coherent oscillations of the inflaton field lead to a periodically varying mass in the evolution equation of matter and gravitational fluctuations and often induce a parametric resonance instabili...
[ { "created": "Sat, 2 Jan 1999 22:33:43 GMT", "version": "v1" } ]
2009-10-31
[ [ "Zanchin", "V.", "" ], [ "Maia", "A.", "Jr." ], [ "Craig", "W.", "" ], [ "Brandenberger", "R.", "" ] ]
Explosive particle production due to parametric resonance is a crucial feature of reheating in an inflationary cosmology. Coherent oscillations of the inflaton field lead to a periodically varying mass in the evolution equation of matter and gravitational fluctuations and often induce a parametric resonance instability...
hep-ph/0606165
Erhan Iltan
Erhan O. Iltan
Charged Lepton Flavor Physics and Extra Dimensions
23 pages, 13 pages
Mod.Phys.Lett.A22:1513-1531,2007
10.1142/S0217732307021731
null
hep-ph
null
We estimate the charged lepton electric dipole moments and the branching ratios of radiative lepton flavor violating decays in the framework of the two Higgs doublet model with the inclusion two extra dimensions. Here, we consider that the new Higgs doublet is accessible to one of the extra dimensions with a Gaussian...
[ { "created": "Wed, 14 Jun 2006 20:05:41 GMT", "version": "v1" }, { "created": "Sat, 19 May 2007 13:56:26 GMT", "version": "v2" } ]
2008-11-26
[ [ "Iltan", "Erhan O.", "" ] ]
We estimate the charged lepton electric dipole moments and the branching ratios of radiative lepton flavor violating decays in the framework of the two Higgs doublet model with the inclusion two extra dimensions. Here, we consider that the new Higgs doublet is accessible to one of the extra dimensions with a Gaussian p...
hep-ph/0201210
Yu-Ping Kuang
Yu-Ping Kuang
S-D Mixing and Searching for the psi(1P1) State at the Beijing Electron-Positron Coolider
9-page RevTex file. Version for publication in Phys. Rev. D
Phys.Rev. D65 (2002) 094024
10.1103/PhysRevD.65.094024
TUHEP-TH-01129
hep-ph
null
The psi(1P1) state can be produced at the Beijing Electron-Positron Collider (BEPC) in the process psi'-->psi(1P1)+pi(0). We calculate the rate of this process taking account of the S-D mixing effect in psi'. It is shown that the rate is about a factor of 3 smaller than the simple result without considering the S-D m...
[ { "created": "Tue, 22 Jan 2002 22:49:36 GMT", "version": "v1" }, { "created": "Thu, 24 Jan 2002 10:02:27 GMT", "version": "v2" }, { "created": "Sun, 10 Feb 2002 11:00:48 GMT", "version": "v3" }, { "created": "Fri, 12 Apr 2002 13:21:26 GMT", "version": "v4" } ]
2009-11-07
[ [ "Kuang", "Yu-Ping", "" ] ]
The psi(1P1) state can be produced at the Beijing Electron-Positron Collider (BEPC) in the process psi'-->psi(1P1)+pi(0). We calculate the rate of this process taking account of the S-D mixing effect in psi'. It is shown that the rate is about a factor of 3 smaller than the simple result without considering the S-D mix...
1205.4896
Sergey Gevorkyan
S. R. Gevorkyan, E. A. Kuraev, M. K. Volkov
Vector exchanges in production of light meson pairs and elementary atoms
12 pages, 2 figures
J. Phys. G. Nucl. Part. Phys. 40: 015001,2013
10.1088/0954-3899/40/1/015001
null
hep-ph
http://creativecommons.org/licenses/by/3.0/
The production of pseudoscalar and scalar mesons pairs and bound states (positronium or pionium atoms) in high energy $\gamma\gamma$ collisions at high energies provided by photon or vector meson exchanges are considered. The vector exchanges lead to nondecreasing with energy cross section of binary process $\gamma+\...
[ { "created": "Tue, 22 May 2012 12:38:18 GMT", "version": "v1" } ]
2015-06-05
[ [ "Gevorkyan", "S. R.", "" ], [ "Kuraev", "E. A.", "" ], [ "Volkov", "M. K.", "" ] ]
The production of pseudoscalar and scalar mesons pairs and bound states (positronium or pionium atoms) in high energy $\gamma\gamma$ collisions at high energies provided by photon or vector meson exchanges are considered. The vector exchanges lead to nondecreasing with energy cross section of binary process $\gamma+\ga...
1009.5413
Konstantin Goulianos
Konstantin Goulianos
Diffractive cross sections and event final states at the LHC
5 pages, 3 figures; to appear in Proceedings of Forward Physics at LHC Workshop (May 27-29, 2010), Elba Island, Italy
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss a phenomenological model that describes results on diffractive pp and pbar-p cross sections and event final states up to the Fermilab Tevatron collider energy of 1.96 TeV and use it to make predictions for Large Hadron Collider (LHC) collision energies up to 14 TeV and asymptotically as the pp collision en...
[ { "created": "Mon, 27 Sep 2010 23:52:19 GMT", "version": "v1" }, { "created": "Thu, 30 Dec 2010 01:30:08 GMT", "version": "v2" } ]
2011-01-04
[ [ "Goulianos", "Konstantin", "" ] ]
We discuss a phenomenological model that describes results on diffractive pp and pbar-p cross sections and event final states up to the Fermilab Tevatron collider energy of 1.96 TeV and use it to make predictions for Large Hadron Collider (LHC) collision energies up to 14 TeV and asymptotically as the pp collision ener...
1504.07673
Jo\~ao Moreira
J. Moreira, B. Hiller, A. A. Osipov and A. H. Blin
Nonuniform phases in the 't Hooft extended Nambu--Jona-Lasinio Model
5 pages, 4 figures. To appear in the Conference Proceedings for XI Quark Confinement and the Hadron Spectrum, St. Petersburg, Russia, September 8-12 2014
null
10.1063/1.4938697
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The phase diagram of cold dense quark matter is studied using the 't Hooft extended Nambu--Jona-Lasinio Model applied to the light quark sector with a finite current mass for the strange quark (up and down are considered in the chiral limit). By relaxing the traditional uniformity assumptions and considering a modula...
[ { "created": "Tue, 28 Apr 2015 22:13:14 GMT", "version": "v1" } ]
2016-02-17
[ [ "Moreira", "J.", "" ], [ "Hiller", "B.", "" ], [ "Osipov", "A. A.", "" ], [ "Blin", "A. H.", "" ] ]
The phase diagram of cold dense quark matter is studied using the 't Hooft extended Nambu--Jona-Lasinio Model applied to the light quark sector with a finite current mass for the strange quark (up and down are considered in the chiral limit). By relaxing the traditional uniformity assumptions and considering a modulate...
0802.2025
Kacper Zalewski
K. Zalewski
Use of cumulants to quantify uncertainties in the HBT measurements of the homogeneity regions
LateX, 10 pages, no figures
Phys.Rev.D77:074006,2008
10.1103/PhysRevD.77.074006
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Let us denote p(x|K) the space density of the points where identical particles of some kind, e.g. pi+ mesons, with momentum K are produced. When using the HBT method to determine p(x|K) one encounters ambiguities. We show that these ambiguities do not affect the even cumulants of the distribution p(x|K). In particula...
[ { "created": "Thu, 14 Feb 2008 14:34:24 GMT", "version": "v1" } ]
2008-11-26
[ [ "Zalewski", "K.", "" ] ]
Let us denote p(x|K) the space density of the points where identical particles of some kind, e.g. pi+ mesons, with momentum K are produced. When using the HBT method to determine p(x|K) one encounters ambiguities. We show that these ambiguities do not affect the even cumulants of the distribution p(x|K). In particular,...
hep-ph/0105240
Yukinari Sumino
Y. Sumino
Quarkonium Spectroscopy and Perturbative QCD: A New Perspective
20 pages, 10 figures, Talk given at ``Accelerator and Particle Physics Institute (APPI 2001)'', Morioka, Japan, Feb. 20--22, 2001
null
null
TU-623
hep-ph hep-lat
null
We report new aspects of the recent theoretical progress in heavy quarkonium physics. (1) Contrary to wide beliefs, the gross structure of the bottomonium spectrum is described well by the non-relativistic boundstate theory based on perturbative QCD. (2) This leads to a new physical picture of the bottomonium states:...
[ { "created": "Wed, 23 May 2001 07:05:46 GMT", "version": "v1" } ]
2007-05-23
[ [ "Sumino", "Y.", "" ] ]
We report new aspects of the recent theoretical progress in heavy quarkonium physics. (1) Contrary to wide beliefs, the gross structure of the bottomonium spectrum is described well by the non-relativistic boundstate theory based on perturbative QCD. (2) This leads to a new physical picture of the bottomonium states: t...
0705.2621
Guo-Li Wang
Guo-Li Wang
Decay constants of $P$-wave mesons
11 pages,5 tables,version to be published in Phys. Lett. B
Phys.Lett.B650:15-21,2007
10.1016/j.physletb.2007.05.001
null
hep-ph
null
Decay constants of $P$-wave mesons are computed in the framework of instantaneous Bethe-Salpeter method (Salpeter method). By analyzing the parity and possible charge conjugation parity, we give the relativistic configurations of wave functions with definite parity and possible charge conjugation parity. With these w...
[ { "created": "Fri, 18 May 2007 01:13:39 GMT", "version": "v1" } ]
2008-11-26
[ [ "Wang", "Guo-Li", "" ] ]
Decay constants of $P$-wave mesons are computed in the framework of instantaneous Bethe-Salpeter method (Salpeter method). By analyzing the parity and possible charge conjugation parity, we give the relativistic configurations of wave functions with definite parity and possible charge conjugation parity. With these wav...
1605.07188
Nicol\'as Bernal Dr.
Nicol\'as Bernal, Chee Sheng Fong, Nayara Fonseca
Sharing but not Caring: Dark Matter and the Baryon Asymmetry of the Universe
26 pages, 4 figures. v2: version published in JCAP
null
10.1088/1475-7516/2016/09/005
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider scenarios where Dark Matter (DM) particles carry baryon and/or lepton numbers, which can be defined if there exist operators connecting the dark to the visible sector. As a result, the DM fields become intimately linked to the Standard Model (SM) ones and can be maximally asymmetric just like the ordinary...
[ { "created": "Mon, 23 May 2016 20:00:10 GMT", "version": "v1" }, { "created": "Fri, 2 Sep 2016 14:34:54 GMT", "version": "v2" } ]
2016-09-21
[ [ "Bernal", "Nicolás", "" ], [ "Fong", "Chee Sheng", "" ], [ "Fonseca", "Nayara", "" ] ]
We consider scenarios where Dark Matter (DM) particles carry baryon and/or lepton numbers, which can be defined if there exist operators connecting the dark to the visible sector. As a result, the DM fields become intimately linked to the Standard Model (SM) ones and can be maximally asymmetric just like the ordinary m...
1802.03244
Marta Luszczak Mrs
Marta Luszczak, Wolfgang Sch\"afer and Antoni Szczurek
Production of $W^+ W^-$ pairs via $\gamma^*\gamma^* \to W^+ W^-$ subprocess with photon transverse momenta
20 pages, 17 figures, 2 tables
null
10.1007/JHEP05(2018)064
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss production of $W^+ W^-$ pairs in proton-proton collisions induced by two-photon fusion including, for a first time, transverse momenta of incoming photons. The unintegrated inelastic fluxes (related to proton dissociation) of photons are calculated based on modern parametrizations of deep inelastic structu...
[ { "created": "Fri, 9 Feb 2018 13:11:01 GMT", "version": "v1" }, { "created": "Mon, 19 Feb 2018 09:10:41 GMT", "version": "v2" }, { "created": "Fri, 23 Mar 2018 14:09:36 GMT", "version": "v3" }, { "created": "Tue, 24 Apr 2018 21:50:24 GMT", "version": "v4" } ]
2018-06-13
[ [ "Luszczak", "Marta", "" ], [ "Schäfer", "Wolfgang", "" ], [ "Szczurek", "Antoni", "" ] ]
We discuss production of $W^+ W^-$ pairs in proton-proton collisions induced by two-photon fusion including, for a first time, transverse momenta of incoming photons. The unintegrated inelastic fluxes (related to proton dissociation) of photons are calculated based on modern parametrizations of deep inelastic structure...
2112.13218
Qin-Tao Song
S. Kumano, Qin-Tao Song
Equation-of-motion and Lorentz-invariance relations for tensor-polarized parton distribution functions of spin-1 hadrons
5 pages
Physics Letters B 826(2022)136908
10.1016/j.physletb.2022.136908
KEK-TH-2335, J-PARC-TH-0245
hep-ph hep-ex hep-lat nucl-th
http://creativecommons.org/licenses/by/4.0/
Structure functions of polarized spin-1 hadrons will be measured at various accelerator facilities in the near future. Recently, transverse-momentum-dependent and collinear parton distribution functions were theoretically proposed at twist 3 and twist 4 in addition to the twist-2 ones, so that full investigations bec...
[ { "created": "Sat, 25 Dec 2021 09:39:26 GMT", "version": "v1" }, { "created": "Wed, 26 Jan 2022 18:13:12 GMT", "version": "v2" } ]
2022-01-27
[ [ "Kumano", "S.", "" ], [ "Song", "Qin-Tao", "" ] ]
Structure functions of polarized spin-1 hadrons will be measured at various accelerator facilities in the near future. Recently, transverse-momentum-dependent and collinear parton distribution functions were theoretically proposed at twist 3 and twist 4 in addition to the twist-2 ones, so that full investigations becam...
hep-ph/0608270
Berndt Muller
Masayuki Asakawa, Steffen A. Bass, and Berndt M\"uller
Anomalous Transport Processes in Anisotropically Expanding Quark-Gluon Plasmas
31 pages, 1 figure, some typos in published version are corrected
Prog.Theor.Phys.116:725-755,2007
10.1143/PTP.116.725
null
hep-ph nucl-th
null
We derive an expression for the anomalous viscosity in an anisotropically expanding quark-gluon-plasma, which arises from interactions of thermal partons with dynamically generated color fields. The anomalous viscosity dominates over the collisional viscosity for large velocity gradients or weak coupling. This effect...
[ { "created": "Thu, 24 Aug 2006 02:18:51 GMT", "version": "v1" }, { "created": "Thu, 23 Nov 2006 09:06:02 GMT", "version": "v2" } ]
2008-11-26
[ [ "Asakawa", "Masayuki", "" ], [ "Bass", "Steffen A.", "" ], [ "Müller", "Berndt", "" ] ]
We derive an expression for the anomalous viscosity in an anisotropically expanding quark-gluon-plasma, which arises from interactions of thermal partons with dynamically generated color fields. The anomalous viscosity dominates over the collisional viscosity for large velocity gradients or weak coupling. This effect m...
0709.4427
Shang-Yung Wang
S.-Y. Wang
Dynamical Electron Mass in a Strong Magnetic Field
5 pages, 1 figure, published version
Phys.Rev.D77:025031,2008
10.1103/PhysRevD.77.025031
null
hep-ph astro-ph
null
Motivated by recent interest in understanding properties of strongly magnetized matter, we study the dynamical electron mass generated through approximate chiral symmetry breaking in QED in a strong magnetic field. We reliably calculate the dynamical electron mass by numerically solving the nonperturbative Schwinger-...
[ { "created": "Thu, 27 Sep 2007 15:23:19 GMT", "version": "v1" }, { "created": "Thu, 20 Dec 2007 05:41:11 GMT", "version": "v2" }, { "created": "Mon, 28 Jan 2008 15:09:27 GMT", "version": "v3" } ]
2008-11-26
[ [ "Wang", "S. -Y.", "" ] ]
Motivated by recent interest in understanding properties of strongly magnetized matter, we study the dynamical electron mass generated through approximate chiral symmetry breaking in QED in a strong magnetic field. We reliably calculate the dynamical electron mass by numerically solving the nonperturbative Schwinger-Dy...
1010.5392
Hannu Paukkunen
Hannu Paukkunen and Carlos A. Salgado
Constraints for the nuclear parton distributions from Z and W production at the LHC
The version accepted for publication in JHEP. New figures has been added, and we also discuss the single charged lepton production
JHEP 1103:071,2011
10.1007/JHEP03(2011)071
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The LHC is foreseen to finally bring also the nuclear collisions to the TeV scale thereby providing new possibilities for physics studies, in particular related to the electro-weak sector of the Standard Model. We study here the Z and W production in proton-lead and lead-lead collisions at the LHC, concentrating on t...
[ { "created": "Tue, 26 Oct 2010 13:34:57 GMT", "version": "v1" }, { "created": "Fri, 11 Mar 2011 10:47:19 GMT", "version": "v2" } ]
2015-03-17
[ [ "Paukkunen", "Hannu", "" ], [ "Salgado", "Carlos A.", "" ] ]
The LHC is foreseen to finally bring also the nuclear collisions to the TeV scale thereby providing new possibilities for physics studies, in particular related to the electro-weak sector of the Standard Model. We study here the Z and W production in proton-lead and lead-lead collisions at the LHC, concentrating on the...
hep-ph/0001012
Mohamed Tarek Hussein
M. T. Hussein, R. Elmualed and N. M. Hassan
Electron - Proton Scattering as a Probe of Nucleon Structure
6 pages (revtex), 8 figures/gif
26th ICRC(1999) Utah Univ. USA, HE.1.3.29
null
null
hep-ph
null
The problem of electron-proton scattering is handed over both the elastic and inelastic scattering. Two models are presented in this sense. The first, depends on the multi photon exchange ladder diagram, where the transition matrix is expanded in multi steps form. The second model uses the multi peripheral mechanism ...
[ { "created": "Mon, 3 Jan 2000 11:20:31 GMT", "version": "v1" } ]
2007-05-23
[ [ "Hussein", "M. T.", "" ], [ "Elmualed", "R.", "" ], [ "Hassan", "N. M.", "" ] ]
The problem of electron-proton scattering is handed over both the elastic and inelastic scattering. Two models are presented in this sense. The first, depends on the multi photon exchange ladder diagram, where the transition matrix is expanded in multi steps form. The second model uses the multi peripheral mechanism de...
2110.14015
Ignacio Borsa Sanjuan
Ignacio Borsa, Daniel de Florian, Rodolfo Sassot, Marco Stratmann
Pion Fragmentation Functions at High Energy Colliders
5 pages, 6 figures
null
10.1103/PhysRevD.105.L031502
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We revisit the description of pion production in proton-proton collisions in the light of the very precise data taken at the Large Hadron Collider (LHC) over the past decade. First attempts to include LHC results in next-to-leading order global QCD analyses of parton-to-pion fragmentation functions insinuated some co...
[ { "created": "Tue, 26 Oct 2021 20:43:47 GMT", "version": "v1" } ]
2022-02-23
[ [ "Borsa", "Ignacio", "" ], [ "de Florian", "Daniel", "" ], [ "Sassot", "Rodolfo", "" ], [ "Stratmann", "Marco", "" ] ]
We revisit the description of pion production in proton-proton collisions in the light of the very precise data taken at the Large Hadron Collider (LHC) over the past decade. First attempts to include LHC results in next-to-leading order global QCD analyses of parton-to-pion fragmentation functions insinuated some conf...
hep-ph/0110261
Harold W. Fearing
T. Ebertsh\"auser, H. W. Fearing, S. Scherer
The anomalous chiral perturbation theory meson Lagrangian to order $p^6$ revisited
21 pages, Latex, using RevTeX
Phys.Rev. D65 (2002) 054033
10.1103/PhysRevD.65.054033
MKPH-T-01-22, TRI-PP-01-34
hep-ph
null
We present a revised and extended construction of the mesonic Lagrangian density in chiral perturbation theory (ChPT) at order $p^6$ in the anomalous (or epsilon) sector, ${\cal{L}}_{6,\epsilon}$. After improving several aspects of the strategy we used originally, i.e., a more efficient application of partial integra...
[ { "created": "Thu, 18 Oct 2001 18:47:12 GMT", "version": "v1" } ]
2009-11-07
[ [ "Ebertshäuser", "T.", "" ], [ "Fearing", "H. W.", "" ], [ "Scherer", "S.", "" ] ]
We present a revised and extended construction of the mesonic Lagrangian density in chiral perturbation theory (ChPT) at order $p^6$ in the anomalous (or epsilon) sector, ${\cal{L}}_{6,\epsilon}$. After improving several aspects of the strategy we used originally, i.e., a more efficient application of partial integrati...
2201.02576
Johann Usovitsch
Ievgen Dubovyk, Ayres Freitas, Janusz Gluza, Krzysztof Grzanka, Martijn Hidding, Johann Usovitsch
Evaluation of multi-loop multi-scale Feynman integrals for precision physics
null
null
10.1103/PhysRevD.106.L111301
CERN-TH-2021-230, UUITP-66/21
hep-ph
http://creativecommons.org/licenses/by/4.0/
Modern particle physics is increasingly becoming a precision science that relies on advanced theoretical predictions for the analysis and interpretation of experimental results. The planned physics program at the LHC and future colliders will require three-loop electroweak and mixed electroweak-QCD corrections to sin...
[ { "created": "Fri, 7 Jan 2022 18:16:22 GMT", "version": "v1" }, { "created": "Wed, 26 Jan 2022 18:30:59 GMT", "version": "v2" } ]
2023-01-04
[ [ "Dubovyk", "Ievgen", "" ], [ "Freitas", "Ayres", "" ], [ "Gluza", "Janusz", "" ], [ "Grzanka", "Krzysztof", "" ], [ "Hidding", "Martijn", "" ], [ "Usovitsch", "Johann", "" ] ]
Modern particle physics is increasingly becoming a precision science that relies on advanced theoretical predictions for the analysis and interpretation of experimental results. The planned physics program at the LHC and future colliders will require three-loop electroweak and mixed electroweak-QCD corrections to singl...
hep-ph/9806506
Georg Raffelt
G.Raffelt (MPP, Munich)
Axion Hunting at the Turn of the Millenium
6 pages, 4 eps figs, to be published in Proc. Neutrino 98, 4-9 June 1998, Takayama, Japan, ed. by Y.Suzuki and Y.Totsuka
Nucl.Phys.Proc.Suppl. 77 (1999) 456-461
10.1016/S0920-5632(99)00467-3
null
hep-ph
null
The status of several current and proposed experiments to search for galactic dark-matter and solar axions is reviewed in the light of astrophysical and cosmological limits on the Peccei-Quinn scale.
[ { "created": "Sat, 27 Jun 1998 12:12:42 GMT", "version": "v1" } ]
2009-10-31
[ [ "Raffelt", "G.", "", "MPP, Munich" ] ]
The status of several current and proposed experiments to search for galactic dark-matter and solar axions is reviewed in the light of astrophysical and cosmological limits on the Peccei-Quinn scale.
0906.0368
Alexandre Arbey
A. Arbey and F. Mahmoudi
SUSY Constraints, Relic Density, and Very Early Universe
11 pages, 5 figures. v2: new figures added
JHEP 1005:051,2010
10.1007/JHEP05(2010)051
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The sensitivity of the lightest supersymmetric particle relic density calculation to different cosmological scenarios is discussed. In particular, we investigate the effects of modifications of the expansion rate and of the entropy content in the Early Universe. These effects, even with no observational consequences,...
[ { "created": "Tue, 2 Jun 2009 15:15:27 GMT", "version": "v1" }, { "created": "Tue, 6 Jul 2010 13:46:14 GMT", "version": "v2" } ]
2010-07-07
[ [ "Arbey", "A.", "" ], [ "Mahmoudi", "F.", "" ] ]
The sensitivity of the lightest supersymmetric particle relic density calculation to different cosmological scenarios is discussed. In particular, we investigate the effects of modifications of the expansion rate and of the entropy content in the Early Universe. These effects, even with no observational consequences, c...
1404.5195
Oscar Castillo Felisola Dr.
Oscar Castillo-Felisola and Cristobal Corral and Ivan Schmidt and Alfonso R. Zerwekh
Updated limits on extra dimensions through torsion and LHC data
10 pages. Accepted for publication on Mod. Phys. Lett. A. arXiv admin note: substantial text overlap with arXiv:1211.4359
Mod. Phys. Lett. A 29, 1450081 (2014)
10.1142/S0217732314500813
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is well known that inclusion of torsion in the gravitational formalism, leads to four-fermion interactions. Although the coupling constant of this interaction is strongly suppressed in four dimensions, its value is enhanced in models with $n$ extra dimensions. In this context, we reinterpret the recent limits esta...
[ { "created": "Mon, 21 Apr 2014 13:51:21 GMT", "version": "v1" } ]
2014-05-27
[ [ "Castillo-Felisola", "Oscar", "" ], [ "Corral", "Cristobal", "" ], [ "Schmidt", "Ivan", "" ], [ "Zerwekh", "Alfonso R.", "" ] ]
It is well known that inclusion of torsion in the gravitational formalism, leads to four-fermion interactions. Although the coupling constant of this interaction is strongly suppressed in four dimensions, its value is enhanced in models with $n$ extra dimensions. In this context, we reinterpret the recent limits establ...
2302.01372
Eric S. Swanson
E.S. Swanson
Light Hybrid Meson Mixing and Phenomenology
16 pages, 7 figures
null
10.1103/PhysRevD.107.074028
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
A simple constituent model of gluodynamics that is motivated by lattice field theory and the QCD Hamiltonian in Coulomb gauge is applied to descriptions of hybrid meson flavor mixing and vector hybrid configuration mixing. Good agreement with lattice gauge computations is obtained for flavor multiplet masses, while m...
[ { "created": "Thu, 2 Feb 2023 19:16:25 GMT", "version": "v1" } ]
2023-05-03
[ [ "Swanson", "E. S.", "" ] ]
A simple constituent model of gluodynamics that is motivated by lattice field theory and the QCD Hamiltonian in Coulomb gauge is applied to descriptions of hybrid meson flavor mixing and vector hybrid configuration mixing. Good agreement with lattice gauge computations is obtained for flavor multiplet masses, while mix...
2308.08612
Felix Yu
Felix Yu
Primer on Axion Physics
15 pages, 1 figure; invited contribution to Annalen der Physik
Ann. Phys.(Berlin) 2023, 2300106
10.1002/andp.202300106
MITP-23-038
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I review the canonical axion potential, with an emphasis on the field theory underlying radial and angular modes of complex scalar fields. I present the explicit calculation of the instanton-induced breaking of the Goldstone field direction necessary to derive the canonical axion mass and decay constant relation. The...
[ { "created": "Wed, 16 Aug 2023 18:06:50 GMT", "version": "v1" } ]
2023-10-10
[ [ "Yu", "Felix", "" ] ]
I review the canonical axion potential, with an emphasis on the field theory underlying radial and angular modes of complex scalar fields. I present the explicit calculation of the instanton-induced breaking of the Goldstone field direction necessary to derive the canonical axion mass and decay constant relation. The p...
hep-ph/0510297
Alexander E. Dorokhov
A.E. Dorokhov
Hadronic corrections to muon anomalous magnetic moment within the instanton liquid model
32 pages, 17 figures. Presented at The Cracow School of Theoretical Physics, XLV Course,Zakopane june 2005. To appear in Acta Physica Polonica
Acta Phys.Polon. B36 (2005) 3751-3782
null
null
hep-ph
null
The current status of the muon anomalous magnetic moment problem is briefly presented. The corrections to muon anomaly coming from the effects of hadronic vacuum polarization, Z*\gamma\gamma* effective vertex and light-by-light scattering are estimated within the instanton model of QCD vacuum.
[ { "created": "Sat, 22 Oct 2005 09:40:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Dorokhov", "A. E.", "" ] ]
The current status of the muon anomalous magnetic moment problem is briefly presented. The corrections to muon anomaly coming from the effects of hadronic vacuum polarization, Z*\gamma\gamma* effective vertex and light-by-light scattering are estimated within the instanton model of QCD vacuum.
1505.00513
Natsumi Nagata
Jason L. Evans and Natsumi Nagata
Signatures of Leptoquarks at the LHC and Right-handed Neutrinos
25 pages, 2 figures
Phys. Rev. D 92, 015022 (2015)
10.1103/PhysRevD.92.015022
FTPI-MINN-15/20, UMN-TH-3433/15, IPMU15-0063
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we argue that an extension of the Standard Model with a single leptoquark and three right-handed neutrinos can explain the excess in the first-generation leptoquark search at the LHC. We also find that when the leptoquark has similarly sized couplings to all three generations, it produces additional si...
[ { "created": "Mon, 4 May 2015 02:24:27 GMT", "version": "v1" }, { "created": "Wed, 22 Jul 2015 19:18:01 GMT", "version": "v2" } ]
2015-07-23
[ [ "Evans", "Jason L.", "" ], [ "Nagata", "Natsumi", "" ] ]
In this paper, we argue that an extension of the Standard Model with a single leptoquark and three right-handed neutrinos can explain the excess in the first-generation leptoquark search at the LHC. We also find that when the leptoquark has similarly sized couplings to all three generations, it produces additional sign...
1402.4817
Andrew Spray
David E. Morrissey and Andrew Paul Spray
New Limits on Light Hidden Sectors from Fixed-Target Experiments
44 pages + appendices/references, 28 figures. Figures in secs 5 and 7 updated to correct error in hadronic exclusions; limits slightly weaker, but qualitative conclusions unchanged
JHEP 1406 (2014) 083
10.1007/JHEP06(2014)083
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
New physics can be light if it is hidden, coupling very weakly to the Standard Model. In this work we investigate the discovery prospects of Abelian hidden sectors in lower-energy fixed-target and high-precision experiments. We focus on a minimal supersymmetric realization consisting of an Abelian vector multiplet, c...
[ { "created": "Wed, 19 Feb 2014 21:00:24 GMT", "version": "v1" }, { "created": "Thu, 27 Feb 2014 09:13:08 GMT", "version": "v2" }, { "created": "Thu, 26 Mar 2015 00:44:25 GMT", "version": "v3" }, { "created": "Sun, 29 Mar 2015 01:27:33 GMT", "version": "v4" } ]
2015-03-31
[ [ "Morrissey", "David E.", "" ], [ "Spray", "Andrew Paul", "" ] ]
New physics can be light if it is hidden, coupling very weakly to the Standard Model. In this work we investigate the discovery prospects of Abelian hidden sectors in lower-energy fixed-target and high-precision experiments. We focus on a minimal supersymmetric realization consisting of an Abelian vector multiplet, cou...
hep-ph/0206027
Volodymyr Magas
R. Fiore, A. Flachi, L.L. Jenkovszky, A.I. Lengyel, V.K. Magas
Explicit model realizing parton-hadron duality
29 pages, 7 figures
Eur.Phys.J. A15 (2002) 505-515
null
null
hep-ph
null
An explicit model realizing parton-hadron duality and fitting the data is suggested. Complex nonlinear Regge trajectories are important ingredients of the model. The inclusion of $\Delta$ and $N^*$ trajectories should account for all resonances in the direct channel. The exotic trajectory is responsible for the smoot...
[ { "created": "Tue, 4 Jun 2002 12:24:35 GMT", "version": "v1" } ]
2007-05-23
[ [ "Fiore", "R.", "" ], [ "Flachi", "A.", "" ], [ "Jenkovszky", "L. L.", "" ], [ "Lengyel", "A. I.", "" ], [ "Magas", "V. K.", "" ] ]
An explicit model realizing parton-hadron duality and fitting the data is suggested. Complex nonlinear Regge trajectories are important ingredients of the model. The inclusion of $\Delta$ and $N^*$ trajectories should account for all resonances in the direct channel. The exotic trajectory is responsible for the smooth ...
0910.2852
Dario Schalla
E. A. Paschos, Dario Schalla
Coherent Pion Production by Neutrinos
5 pages, 7 figures, Proceedings of the Sixth International Workshop on Neutrino-Nucleus Interactions in the Few-GeV Region (NuInt09), May 18-22, Sitges, Barcelona, Spain
null
10.1063/1.3274158
DO-TH-09/16
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this talk I review the main features of the coherent/diffractive pion production by neutrinos on nuclei. The method is based on PCAC and relates the reaction $\textbf{boson} + \textbf{nucleus} \to \textbf{pion} + \textbf{nucleus}$ to elastic pion-nucleus scattering. Estimates for the expected rates and distributio...
[ { "created": "Thu, 15 Oct 2009 12:31:43 GMT", "version": "v1" } ]
2015-05-14
[ [ "Paschos", "E. A.", "" ], [ "Schalla", "Dario", "" ] ]
In this talk I review the main features of the coherent/diffractive pion production by neutrinos on nuclei. The method is based on PCAC and relates the reaction $\textbf{boson} + \textbf{nucleus} \to \textbf{pion} + \textbf{nucleus}$ to elastic pion-nucleus scattering. Estimates for the expected rates and distributions...
1402.3991
Tim Ledwig
L. Alvarez-Ruso, T. Ledwig, J. Martin-Camalich, M.J. Vicente Vacas
The nucleon mass and pion-nucleon sigma term from a chiral analysis of Nf = 2+1 lattice QCD world data
Contribution to the NSTAR 2013 conference, 4 pages, 4 figures
null
10.1051/epjconf/20146606001
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Fits of the p^4 covariant SU(2) baryon chiral perturbation theory to lattice QCD nucleon mass data from several collaborations for 2 and 2+1 flavors are presented. We consider contributions from explicit Delta(1232) degrees of freedom, finite volume and finite spacing corrections. We emphasize here our Nf=2+1 study. ...
[ { "created": "Mon, 17 Feb 2014 13:14:18 GMT", "version": "v1" } ]
2015-06-18
[ [ "Alvarez-Ruso", "L.", "" ], [ "Ledwig", "T.", "" ], [ "Martin-Camalich", "J.", "" ], [ "Vacas", "M. J. Vicente", "" ] ]
Fits of the p^4 covariant SU(2) baryon chiral perturbation theory to lattice QCD nucleon mass data from several collaborations for 2 and 2+1 flavors are presented. We consider contributions from explicit Delta(1232) degrees of freedom, finite volume and finite spacing corrections. We emphasize here our Nf=2+1 study. We...
0903.3358
Andrey Lobanov
E. V. Arbuzova, A. E. Lobanov, E. M. Murchikova
Pure quantum states of a neutrino with rotating spin in dense magnetized matter
21 pages, Latex. Final version
Phys.Rev.D81:045001,2010
10.1103/PhysRevD.81.045001
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The problem of neutrino spin rotation in dense matter and in strong electromagnetic fields is solved in accordance with the basic principles of quantum mechanics. We obtain a complete system of wave functions for a massive Dirac neutrino with an anomalous magnetic moment which are the eigenfunctions of the kinetic mo...
[ { "created": "Thu, 19 Mar 2009 16:26:23 GMT", "version": "v1" }, { "created": "Mon, 20 Apr 2009 21:14:22 GMT", "version": "v2" }, { "created": "Mon, 1 Feb 2010 23:37:18 GMT", "version": "v3" } ]
2010-04-06
[ [ "Arbuzova", "E. V.", "" ], [ "Lobanov", "A. E.", "" ], [ "Murchikova", "E. M.", "" ] ]
The problem of neutrino spin rotation in dense matter and in strong electromagnetic fields is solved in accordance with the basic principles of quantum mechanics. We obtain a complete system of wave functions for a massive Dirac neutrino with an anomalous magnetic moment which are the eigenfunctions of the kinetic mome...
2105.00217
Jens Erler
Jens Erler
Global Vision of Precision Measurements
6 pages, 10 figures, contributions to Les Rencontres de Physique de la Vall\'ee d'Aoste (La Thuile 2021), March 9--11, 2021; and to the 2021 EW session of the 55th Rencontres de Moriond, March 21--27, 2021
null
null
MITP/21-022
hep-ph hep-ex nucl-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I summarize recent developments in electroweak precision physics and global fits. Expectations for future measurements, both at lower energies and the energy frontier, are also discussed.
[ { "created": "Sat, 1 May 2021 11:21:29 GMT", "version": "v1" } ]
2021-05-05
[ [ "Erler", "Jens", "" ] ]
I summarize recent developments in electroweak precision physics and global fits. Expectations for future measurements, both at lower energies and the energy frontier, are also discussed.
1311.6726
Yuri Goncharov
Yu. P. Goncharov and F. F. Pavlov
Estimates for Parameters and Characteristics of the Confining SU(3)-gluonic Field in $\phi$-meson from Leptonic Widths
11 pages in LaTeX. arXiv admin note: substantial text overlap with arXiv:1010.1562, arXiv:1201.4327, arXiv:hep-ph/0609135
Few-Body Syst. (2014), Vol. 55, No. 1, pp. 35-45
10.1007/s00601-013-0730-1
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The paper is devoted to applying the confinement mechanism proposed earlier by one of the authors to estimate the possible parameters of the confining SU(3)-gluonic field in vector $\phi$-meson. The estimates obtained are consistent with the leptonic widths of the given meson. The corresponding estimates of the gluon...
[ { "created": "Tue, 26 Nov 2013 16:24:23 GMT", "version": "v1" } ]
2014-01-09
[ [ "Goncharov", "Yu. P.", "" ], [ "Pavlov", "F. F.", "" ] ]
The paper is devoted to applying the confinement mechanism proposed earlier by one of the authors to estimate the possible parameters of the confining SU(3)-gluonic field in vector $\phi$-meson. The estimates obtained are consistent with the leptonic widths of the given meson. The corresponding estimates of the gluon c...
1401.3099
Shotaro Imai
Shotaro Imai and Hideo Suganuma
A non-perturbative effect of gluons for scalar diquark in the Schwinger-Dyson formalism
5 pages, 5 figures, Contribution of proceedings of XV International Conference on Hadron Spectroscopy-Hadron 2013 (Hadron 2013)
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The diquark has been considered to be important effective degrees of freedom in hadron physics, especially for multi-quark physics and the structure of heavy hadronic states. Using the Schwinger-Dyson formalism, we investigate the non-perturbative effect of gluons for scalar diquarks with renormalization-group improv...
[ { "created": "Tue, 14 Jan 2014 08:27:22 GMT", "version": "v1" }, { "created": "Thu, 6 Feb 2014 01:16:34 GMT", "version": "v2" } ]
2014-02-07
[ [ "Imai", "Shotaro", "" ], [ "Suganuma", "Hideo", "" ] ]
The diquark has been considered to be important effective degrees of freedom in hadron physics, especially for multi-quark physics and the structure of heavy hadronic states. Using the Schwinger-Dyson formalism, we investigate the non-perturbative effect of gluons for scalar diquarks with renormalization-group improved...
1910.12691
Alejandro Segarra
Jose Bernabeu, Alejandro Segarra
Genuine and Matter-induced Components of the CPV Asymmetry for Neutrino Oscillations
7 pages, 5 figures, 1 table. Proceedings of EPS-HEP 2019
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
These results represent the solution for the historical problem of the contamination by matter effects on the CPV Asymmetry for neutrino oscillations. Vacuum is CPT-symmetric and matter is T-symmetric, the goal is accomplished by using this guiding principle. Independent of the theoretical framework for the dynamics ...
[ { "created": "Mon, 28 Oct 2019 14:07:05 GMT", "version": "v1" } ]
2019-10-29
[ [ "Bernabeu", "Jose", "" ], [ "Segarra", "Alejandro", "" ] ]
These results represent the solution for the historical problem of the contamination by matter effects on the CPV Asymmetry for neutrino oscillations. Vacuum is CPT-symmetric and matter is T-symmetric, the goal is accomplished by using this guiding principle. Independent of the theoretical framework for the dynamics of...
hep-ph/0504027
Simonetta Liuti
S. Liuti and S.K. Taneja
Nuclear Medium Modifications of Hadrons from Generalized Parton Distributions
29 pages, 10 figures
Phys.Rev. C72 (2005) 034902
10.1103/PhysRevC.72.034902
null
hep-ph
null
We study the structure of generalized parton distributions in spin 0 nuclei within a microscopic approach for nuclear dynamics. GPDs can be used on one side as tools to unravel the deep inelastic transverse structure of nuclei in terms of both transverse spatial and transverse momentum degrees of freedom. On the othe...
[ { "created": "Mon, 4 Apr 2005 22:32:54 GMT", "version": "v1" }, { "created": "Fri, 6 May 2005 21:51:03 GMT", "version": "v2" } ]
2009-11-11
[ [ "Liuti", "S.", "" ], [ "Taneja", "S. K.", "" ] ]
We study the structure of generalized parton distributions in spin 0 nuclei within a microscopic approach for nuclear dynamics. GPDs can be used on one side as tools to unravel the deep inelastic transverse structure of nuclei in terms of both transverse spatial and transverse momentum degrees of freedom. On the other,...
1706.01190
Nakul Soni Mr.
N. R. Soni and J. N. Pandya
Decay ${\mathit{D} \to} {{\mathit K}^{(*)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ in covariant quark model
20 pages, 6 tables, 7 figures
Phys. Rev. D 96, 016017 (2017)
10.1103/PhysRevD.96.016017
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the leptonic and semileptonic $D$-meson decays (${{\mathit D} \to} {{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ and ${\mathit{D} \to} {{\mathit K}^{(*)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$) in the framework of covariant quark model with built-in infrared confinement. We com...
[ { "created": "Mon, 5 Jun 2017 04:51:40 GMT", "version": "v1" }, { "created": "Sat, 8 Jul 2017 11:40:45 GMT", "version": "v2" } ]
2017-08-02
[ [ "Soni", "N. R.", "" ], [ "Pandya", "J. N.", "" ] ]
We study the leptonic and semileptonic $D$-meson decays (${{\mathit D} \to} {{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ and ${\mathit{D} \to} {{\mathit K}^{(*)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$) in the framework of covariant quark model with built-in infrared confinement. We compu...
hep-ph/0701001
Shouhua Zhu
Shou-hua Zhu (Peking University)
U-boson at BESIII
3 refs added, minor text modification, PRD version
Phys.Rev.D75:115004,2007
10.1103/PhysRevD.75.115004
null
hep-ph hep-ex
null
The $O$(MeV) spin-1 U-boson has been proposed to mediate the interaction among electron-positron and $O$(MeV) dark matter, in order to account for the 511 keV $\gamma$-ray observation by SPI/INTEGRAL. In this paper the observability of such kind of U-boson at BESIII is investigated through the processes $e^+e^- \to U...
[ { "created": "Fri, 29 Dec 2006 21:11:01 GMT", "version": "v1" }, { "created": "Fri, 11 May 2007 01:39:05 GMT", "version": "v2" } ]
2008-11-26
[ [ "Zhu", "Shou-hua", "", "Peking University" ] ]
The $O$(MeV) spin-1 U-boson has been proposed to mediate the interaction among electron-positron and $O$(MeV) dark matter, in order to account for the 511 keV $\gamma$-ray observation by SPI/INTEGRAL. In this paper the observability of such kind of U-boson at BESIII is investigated through the processes $e^+e^- \to U \...
2103.11412
Xing-Hua Yang
Xing-Hua Yang and Zhong-Juan Yang
Doubly Charged Higgs Production at Future $ep$ Colliders
21 pages, 9 figures
null
10.1088/1674-1137/ac581b
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The Higgs sector of the standard model can be extended by introducing an $SU(2)_L$ Higgs triplet $\Delta$ to generate the tiny neutrino masses in the framework of type-II seesaw mechanism. In this paper, we study the pair production of the introduced Higgs triplet at future $e^{-}p$ colliders. The corresponding produ...
[ { "created": "Sun, 21 Mar 2021 14:39:25 GMT", "version": "v1" } ]
2022-06-08
[ [ "Yang", "Xing-Hua", "" ], [ "Yang", "Zhong-Juan", "" ] ]
The Higgs sector of the standard model can be extended by introducing an $SU(2)_L$ Higgs triplet $\Delta$ to generate the tiny neutrino masses in the framework of type-II seesaw mechanism. In this paper, we study the pair production of the introduced Higgs triplet at future $e^{-}p$ colliders. The corresponding product...
1807.11300
Mikhail Ivanov
Thomas Gutsche, Mikhail A. Ivanov, J\"urgen G. K\"orner, Valery E. Lyubovitskij, Pietro Santorelli, Chien-Thang Tran
Analyzing lepton flavor universality in the decays $\Lambda_b\to\Lambda_c^{(\ast)}(\frac12^\pm,\frac32^-) + \ell\,\bar\nu_\ell$
some references added
Phys. Rev. D 98, 053003 (2018)
10.1103/PhysRevD.98.053003
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Lepton flavor universality can be tested in the semileptonic decays $\Lambda_b\to \Lambda_c^{(\ast)}$ where $\Lambda_c^{(\ast)}$ denotes either the ground state $\Lambda_c(2286)$ (with $J^P=1/2^+$) or its orbital excitations $\Lambda_c(2595)$ (with $J^P=1/2^-$) and $\Lambda_c(2625)$ (with $J^P=3/2^-$). We calculate t...
[ { "created": "Mon, 30 Jul 2018 11:53:35 GMT", "version": "v1" }, { "created": "Wed, 12 Sep 2018 14:07:16 GMT", "version": "v2" } ]
2018-09-19
[ [ "Gutsche", "Thomas", "" ], [ "Ivanov", "Mikhail A.", "" ], [ "Körner", "Jürgen G.", "" ], [ "Lyubovitskij", "Valery E.", "" ], [ "Santorelli", "Pietro", "" ], [ "Tran", "Chien-Thang", "" ] ]
Lepton flavor universality can be tested in the semileptonic decays $\Lambda_b\to \Lambda_c^{(\ast)}$ where $\Lambda_c^{(\ast)}$ denotes either the ground state $\Lambda_c(2286)$ (with $J^P=1/2^+$) or its orbital excitations $\Lambda_c(2595)$ (with $J^P=1/2^-$) and $\Lambda_c(2625)$ (with $J^P=3/2^-$). We calculate the...
hep-ph/0005066
Dolors Eiras
Dolors Eiras and Joan Soto
Light Fermion Finite Mass Effects in Non-relativistic Bound States
12 pages, 3 figures
Phys.Lett. B491 (2000) 101-110
10.1016/S0370-2693(00)01004-2
null
hep-ph nucl-th physics.atom-ph
null
We present analytic expressions for the vacuum polarization effects due to a light fermion with finite mass in the binding energy and in the wave function at the origin of QED and (weak coupling) QCD non-relativistic bound states. Applications to exotic atoms, \Upsilon (1s) and t\bar{t} production near threshold are ...
[ { "created": "Mon, 8 May 2000 09:53:08 GMT", "version": "v1" }, { "created": "Thu, 7 Sep 2000 10:40:18 GMT", "version": "v2" } ]
2009-10-31
[ [ "Eiras", "Dolors", "" ], [ "Soto", "Joan", "" ] ]
We present analytic expressions for the vacuum polarization effects due to a light fermion with finite mass in the binding energy and in the wave function at the origin of QED and (weak coupling) QCD non-relativistic bound states. Applications to exotic atoms, \Upsilon (1s) and t\bar{t} production near threshold are br...
2010.02943
Pierluca Carenza
Pierluca Carenza, Bryce Fore, Maurizio Giannotti, Alessandro Mirizzi, Sanjay Reddy
Enhanced Supernova Axion Emission and its Implications
6 pages, 1 figure. v2: minor corrections to match the published version. Added a discussion on the trapping regime
Phys. Rev. Lett. 126, 071102 (2021)
10.1103/PhysRevLett.126.071102
null
hep-ph astro-ph.HE astro-ph.SR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the axion emission rate from reactions involving thermal pions in matter encountered in supernovae and neutron star mergers, identify unique spectral features, and explore their implications for astrophysics and particle physics. We find that it is about 2-5 times larger than nucleon-nucleon bremsstrahlu...
[ { "created": "Tue, 6 Oct 2020 18:00:13 GMT", "version": "v1" }, { "created": "Sat, 20 Feb 2021 06:56:51 GMT", "version": "v2" } ]
2021-02-23
[ [ "Carenza", "Pierluca", "" ], [ "Fore", "Bryce", "" ], [ "Giannotti", "Maurizio", "" ], [ "Mirizzi", "Alessandro", "" ], [ "Reddy", "Sanjay", "" ] ]
We calculate the axion emission rate from reactions involving thermal pions in matter encountered in supernovae and neutron star mergers, identify unique spectral features, and explore their implications for astrophysics and particle physics. We find that it is about 2-5 times larger than nucleon-nucleon bremsstrahlung...