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2311.08638
Kim Berghaus
Kim V. Berghaus, Tanvi Karwal, Vivian Miranda, and Thejs Brinckmann
The Cosmology of Dark Energy Radiation
27 pages, 16 figures, 3 tables: v2 makes corrections to Sec. IV C by including the scaling with dark photon mass in the sensitivity estimate of dark matter direct detection experiments to relativistic dark photons
null
null
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, we quantify the cosmological signatures of dark energy radiation -- a novel description of dark energy, which proposes that the dynamical component of dark energy is comprised of a thermal bath of relativistic particles sourced by thermal friction from a slowly rolling scalar field. For a minimal model ...
[ { "created": "Wed, 15 Nov 2023 01:24:49 GMT", "version": "v1" }, { "created": "Tue, 26 Mar 2024 01:00:55 GMT", "version": "v2" } ]
2024-03-27
[ [ "Berghaus", "Kim V.", "" ], [ "Karwal", "Tanvi", "" ], [ "Miranda", "Vivian", "" ], [ "Brinckmann", "Thejs", "" ] ]
In this work, we quantify the cosmological signatures of dark energy radiation -- a novel description of dark energy, which proposes that the dynamical component of dark energy is comprised of a thermal bath of relativistic particles sourced by thermal friction from a slowly rolling scalar field. For a minimal model wi...
hep-ph/9605382
Mark Trodden
R. Brandenberger (Brown U.), B. Carter, (Meudon Observatory), A.-C. Davis (Cambridge U., DAMTP), M. Trodden (MIT, LNS)
Cosmic Vortons and Particle Physics Constraints
33 pages, 2 figures, RevTeX
Phys.Rev. D54 (1996) 6059-6071
10.1103/PhysRevD.54.6059
BROWN-HET-1036, DAMTP-96-16, OBSPM-96014, MIT-CTP-2515
hep-ph astro-ph
null
We investigate the cosmological consequences of particle physics theories that admit stable loops of superconducting cosmic string - {\it vortons}. General symmetry breaking schemes are considered, in which strings are formed at one energy scale and subsequently become superconducting in a secondary phase transition ...
[ { "created": "Thu, 23 May 1996 14:44:50 GMT", "version": "v1" } ]
2009-10-28
[ [ "Brandenberger", "R.", "", "Brown U." ], [ "Carter", "B.", "", "Cambridge U., DAMTP" ], [ "Davis", "A. -C.", "", "Cambridge U., DAMTP" ], [ "Trodden", "M.", "", "MIT, LNS" ] ]
We investigate the cosmological consequences of particle physics theories that admit stable loops of superconducting cosmic string - {\it vortons}. General symmetry breaking schemes are considered, in which strings are formed at one energy scale and subsequently become superconducting in a secondary phase transition at...
1304.4241
Stefano Porto
Stefano Porto, Anthony Hartin and Gudrid Moortgat-Pick
Methods for evaluating physical processes in strong external fields at e+e- colliders: Furry picture and quasi-classical approach
14 pages, 6 figures, to appear in the conference proceedings of the Corfu Summer Institute 2012
null
null
DESY-13-055
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Future linear colliders designs, ILC and CLIC, are expected to be powerful machines for the discovery of Physics Beyond the Standard Model and subsequent precision studies. However, due to the intense beams (high luminosity, high energy), strong electromagnetic fields occur in the beam-beam interaction region. In the...
[ { "created": "Mon, 15 Apr 2013 20:00:35 GMT", "version": "v1" } ]
2013-04-17
[ [ "Porto", "Stefano", "" ], [ "Hartin", "Anthony", "" ], [ "Moortgat-Pick", "Gudrid", "" ] ]
Future linear colliders designs, ILC and CLIC, are expected to be powerful machines for the discovery of Physics Beyond the Standard Model and subsequent precision studies. However, due to the intense beams (high luminosity, high energy), strong electromagnetic fields occur in the beam-beam interaction region. In the c...
0905.3355
Damir Becirevic
Damir Becirevic, Benoit Blossier, Emmanuel Chang and Benjamin Haas
g(B*Bpi)-coupling in the static heavy quark limit
7 pages, 3 figs (published version)
Phys.Lett.B679:231-236,2009
10.1016/j.physletb.2009.07.031
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
By means of QCD simulations on the lattice, we compute the coupling of the heavy-light mesons to a soft pion in the static heavy quark limit. The gauge field configurations used in this calculations include the effect of N_f=2 dynamical Wilson quarks, while for the static quark propagator we use its improved form (so...
[ { "created": "Wed, 20 May 2009 17:28:15 GMT", "version": "v1" }, { "created": "Wed, 27 May 2009 07:48:06 GMT", "version": "v2" }, { "created": "Tue, 21 Jul 2009 16:18:11 GMT", "version": "v3" } ]
2010-05-28
[ [ "Becirevic", "Damir", "" ], [ "Blossier", "Benoit", "" ], [ "Chang", "Emmanuel", "" ], [ "Haas", "Benjamin", "" ] ]
By means of QCD simulations on the lattice, we compute the coupling of the heavy-light mesons to a soft pion in the static heavy quark limit. The gauge field configurations used in this calculations include the effect of N_f=2 dynamical Wilson quarks, while for the static quark propagator we use its improved form (so c...
1312.7114
Akira Watanabe
Akira Watanabe and Katsuhiko Suzuki
Nucleon structure functions at small $x$ via the Pomeron exchange in AdS space with a soft infrared wall
8 pages, 7 figures; v2: version accepted for publication in Phys. Rev. D, one reference added, minor modifications made throughout the text
Phys. Rev. D 89, 115015 (2014)
10.1103/PhysRevD.89.115015
null
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present analyses on nucleon structure functions at the small Bjorken-$x$ in the framework of holographic QCD. In this study, we improve the description of the target nucleon in the current setup of the holographic model by introducing a soft-wall AdS/QCD model, in which the AdS geometry is smoothly cut off at IR. ...
[ { "created": "Thu, 26 Dec 2013 14:32:31 GMT", "version": "v1" }, { "created": "Mon, 9 Jun 2014 19:10:31 GMT", "version": "v2" } ]
2014-08-04
[ [ "Watanabe", "Akira", "" ], [ "Suzuki", "Katsuhiko", "" ] ]
We present analyses on nucleon structure functions at the small Bjorken-$x$ in the framework of holographic QCD. In this study, we improve the description of the target nucleon in the current setup of the holographic model by introducing a soft-wall AdS/QCD model, in which the AdS geometry is smoothly cut off at IR. Co...
2203.07361
Louis Strigari
M. Abdullah, H. Abele, D. Akimov, G. Angloher, D. Aristizabal-Sierra, C. Augier, A. B. Balantekin, L. Balogh, P. S. Barbeau, L. Baudis, A. L. Baxter, C. Beaufort, G. Beaulieu, V. Belov, A. Bento, L. Berge, I. A. Bernardi, J. Billard, A. Bolozdynya, A. Bonhomme, G. Bres, J-.L. Bret, A. Broniatowski, A. Brossard,...
Coherent elastic neutrino-nucleus scattering: Terrestrial and astrophysical applications
contribution to Snowmasss 2021. Contact authors: P. S. Barbeau, R. Strauss, L. E. Strigari
null
null
null
hep-ph astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) is a process in which neutrinos scatter on a nucleus which acts as a single particle. Though the total cross section is large by neutrino standards, CE$\nu$NS has long proven difficult to detect, since the deposited energy into the nucleus is $\sim$ keV. In 201...
[ { "created": "Mon, 14 Mar 2022 17:55:28 GMT", "version": "v1" } ]
2022-03-15
[ [ "Abdullah", "M.", "" ], [ "Abele", "H.", "" ], [ "Akimov", "D.", "" ], [ "Angloher", "G.", "" ], [ "Aristizabal-Sierra", "D.", "" ], [ "Augier", "C.", "" ], [ "Balantekin", "A. B.", "" ], [ "Balogh"...
Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) is a process in which neutrinos scatter on a nucleus which acts as a single particle. Though the total cross section is large by neutrino standards, CE$\nu$NS has long proven difficult to detect, since the deposited energy into the nucleus is $\sim$ keV. In 2017,...
hep-ph/0401147
Nikolaos Kidonakis
Nikolaos Kidonakis (Cambridge U.)
Next-to-next-to-leading order soft and virtual corrections for QCD, Higgs and SUSY processes
15 pages, 5 figures, invited review for Modern Physics Letters A
Mod.Phys.Lett. A19 (2004) 405-419
10.1142/S0217732304013532
Cavendish-HEP-04/05
hep-ph
null
I review recent advances in the calculation of higher-order soft-gluon corrections for a variety of QCD, Higgs, and SUSY processes in hadron colliders. A unified approach and master formulas for next-to-next-to-leading order soft and virtual corrections are discussed. I present some applications of the formalism to t...
[ { "created": "Tue, 20 Jan 2004 19:22:14 GMT", "version": "v1" } ]
2009-11-10
[ [ "Kidonakis", "Nikolaos", "", "Cambridge U." ] ]
I review recent advances in the calculation of higher-order soft-gluon corrections for a variety of QCD, Higgs, and SUSY processes in hadron colliders. A unified approach and master formulas for next-to-next-to-leading order soft and virtual corrections are discussed. I present some applications of the formalism to top...
1408.7057
Jacques Soffer
Claude Bourrely and Jacques Soffer
Statistical description of the proton spin with a large gluon helicity distribution
11 pages, 4 figures
null
10.1016/j.physletb.2014.11.044
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The quantum statistical parton distributions approach proposed more than one decade ago is revisited by considering a larger set of recent and accurate Deep Inelastic Scattering (DIS) experimental results. It enables us to improve the description of the data by means of a new determination of the parton distributions...
[ { "created": "Fri, 29 Aug 2014 15:41:18 GMT", "version": "v1" } ]
2015-06-22
[ [ "Bourrely", "Claude", "" ], [ "Soffer", "Jacques", "" ] ]
The quantum statistical parton distributions approach proposed more than one decade ago is revisited by considering a larger set of recent and accurate Deep Inelastic Scattering (DIS) experimental results. It enables us to improve the description of the data by means of a new determination of the parton distributions. ...
hep-ph/9707513
Ola Tornkvist
Ola Tornkvist (Fermilab)
Electroweak Origin of Cosmological Magnetic Fields
Revtex, 36 pages, uses aps.sty. Version accepted for publication. Includes estimates of strength and correlation length of the magnetic field for each mechanism of generation. Conclusion about two-bubble collisions weakened. Higgs current clarified. References added. Title shortened
Phys.Rev. D58 (1998) 043501
10.1103/PhysRevD.58.043501
FERMILAB-Pub-97/257-A
hep-ph astro-ph
null
Magnetic fields may have been generated in the electroweak phase transition through spontaneous symmetry breaking or through the subsequent dynamical evolution of semiclassical field configurations. Here I demonstrate explicitly how magnetic fields emerge spontaneously in the phase transition also when no gradients o...
[ { "created": "Wed, 30 Jul 1997 03:56:25 GMT", "version": "v1" }, { "created": "Mon, 11 May 1998 15:03:27 GMT", "version": "v2" } ]
2009-10-30
[ [ "Tornkvist", "Ola", "", "Fermilab" ] ]
Magnetic fields may have been generated in the electroweak phase transition through spontaneous symmetry breaking or through the subsequent dynamical evolution of semiclassical field configurations. Here I demonstrate explicitly how magnetic fields emerge spontaneously in the phase transition also when no gradients of ...
1102.0282
Jonathan Feng
Jonathan L. Feng, Yael Shadmi
WIMPless Dark Matter from Non-Abelian Hidden Sectors with Anomaly-Mediated Supersymmetry Breaking
25 pages
Phys.Rev.D83:095011,2011
10.1103/PhysRevD.83.095011
UCI-TR-2011-02
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In anomaly-mediated supersymmetry breaking (AMSB) models, superpartner masses are proportional to couplings squared. Their hidden sectors therefore naturally contain WIMPless dark matter, particles whose thermal relic abundance is guaranteed to be of the correct size, even though they are not weakly-interacting massi...
[ { "created": "Tue, 1 Feb 2011 21:00:02 GMT", "version": "v1" } ]
2011-06-02
[ [ "Feng", "Jonathan L.", "" ], [ "Shadmi", "Yael", "" ] ]
In anomaly-mediated supersymmetry breaking (AMSB) models, superpartner masses are proportional to couplings squared. Their hidden sectors therefore naturally contain WIMPless dark matter, particles whose thermal relic abundance is guaranteed to be of the correct size, even though they are not weakly-interacting massive...
1604.07184
Matthew McCullough
Matthew McCullough
Theory Advances in BSM Physics
Contribution to the Proceedings of the International Symposium on Lepton Photon Interactions at High Energies, 17-22 August 2015, University of Ljubljana, Slovenia; 16 pages
null
null
CERN-TH-2016-092
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Rather than attempting to summarise the full spectrum of recent advances in Beyond the Standard Model (BSM) theory, which are many, in this talk I will instead take the opportunity to focus on two frameworks related to the hierarchy problem currently receiving significant attention. They are the `Twin Higgs' and the ...
[ { "created": "Mon, 25 Apr 2016 09:46:13 GMT", "version": "v1" } ]
2016-04-26
[ [ "McCullough", "Matthew", "" ] ]
Rather than attempting to summarise the full spectrum of recent advances in Beyond the Standard Model (BSM) theory, which are many, in this talk I will instead take the opportunity to focus on two frameworks related to the hierarchy problem currently receiving significant attention. They are the `Twin Higgs' and the `R...
1203.2085
Kazunori Nakayama
Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
Gravity mediation without a Polonyi problem
15 pages, 3 figures
Phys.Lett.B714,256-261(2012)
10.1016/j.physletb.2012.06.072
UT-12-06, TU-901, IPMU12-0027
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent indications of the 125GeV Higgs at the LHC can be explained in a relatively high-scale SUSY scenario where the sparticle masses are multi-TeV as is realized in the focus-point region. However, it suffers from the notorious cosmological Polonyi problem. We argue that the Polonyi problem is solved and thermal or...
[ { "created": "Fri, 9 Mar 2012 13:52:20 GMT", "version": "v1" } ]
2015-06-04
[ [ "Nakayama", "Kazunori", "" ], [ "Takahashi", "Fuminobu", "" ], [ "Yanagida", "Tsutomu T.", "" ] ]
Recent indications of the 125GeV Higgs at the LHC can be explained in a relatively high-scale SUSY scenario where the sparticle masses are multi-TeV as is realized in the focus-point region. However, it suffers from the notorious cosmological Polonyi problem. We argue that the Polonyi problem is solved and thermal or n...
2110.03961
Raghunath Sahoo
Dushmanta Sahu, Aditya Nath Mishra, and Raghunath Sahoo
Study of the jet transport coefficient at the Large Hadron Collider energies using Color String Percolation Model
LHCP Proceedings to appear in PoS
null
null
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In order to have a better understanding of the matter formed in ultra-relativistic collisions, we estimate the jet transport coefficient, $\hat q$, within the Color Sting Percolation Model (CSPM) for various multiplicity classes in proton-proton collisions and centrality classes in nucleus-nucleus collisions at the L...
[ { "created": "Fri, 8 Oct 2021 08:22:14 GMT", "version": "v1" } ]
2021-10-11
[ [ "Sahu", "Dushmanta", "" ], [ "Mishra", "Aditya Nath", "" ], [ "Sahoo", "Raghunath", "" ] ]
In order to have a better understanding of the matter formed in ultra-relativistic collisions, we estimate the jet transport coefficient, $\hat q$, within the Color Sting Percolation Model (CSPM) for various multiplicity classes in proton-proton collisions and centrality classes in nucleus-nucleus collisions at the Lar...
hep-ph/0001155
null
M. Hirai (Asymmetry Analysis Collaboration, Saga University)
Parametrization of polarized parton distribution functions
1+6 pages LATEX, sprocl.sty, epsfig.sty, wrapfig.sty, 4 eps figures. Talk at the RCNP-TMU Symposium on "Spins in Nuclear and Hadronic Reactions", Tokyo, Japan, Oct.26-28, 1999, to be published in proceedings. Complete postscript file is available at http://www-hs.phys.saga-u.ac.jp Email: 98td25@edu.cc.saga-u.ac...
null
10.1142/9789812792297_0030
SAGA-HE-158-00
hep-ph hep-ex nucl-th
null
Polarized parton distribution functions are determined by using asymmetry A_1 data from longitudinally polarized deep inelastic scattering experiments. From our \chi^2 analysis, polarized u-valence, d-valence, antiquark, and gluon distributions are obtained. We propose one set of leading-order distributions and two s...
[ { "created": "Mon, 17 Jan 2000 08:19:39 GMT", "version": "v1" } ]
2017-08-23
[ [ "Hirai", "M.", "", "Asymmetry Analysis Collaboration, Saga University" ] ]
Polarized parton distribution functions are determined by using asymmetry A_1 data from longitudinally polarized deep inelastic scattering experiments. From our \chi^2 analysis, polarized u-valence, d-valence, antiquark, and gluon distributions are obtained. We propose one set of leading-order distributions and two set...
1005.4814
Kenji Fukushima
Kenji Fukushima, Tetsuo Hatsuda
The phase diagram of dense QCD
48 pages; 15 figures; 4 tables; review submitted to Reports on Progress in Physics; some discussions clarified and updated in the revision
Rept.Prog.Phys.74:014001,2011
10.1088/0034-4885/74/1/014001
YITP-10-28, TKYNT-10-06
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Current status of theoretical researches on the QCD phase diagram at finite temperature and baryon chemical potential is reviewed with special emphasis on the origin of various phases and their symmetry breaking patterns. Topics include; quark deconfinement, chiral symmetry restoration, order of the phase transitions...
[ { "created": "Wed, 26 May 2010 13:52:27 GMT", "version": "v1" }, { "created": "Wed, 18 Aug 2010 15:16:19 GMT", "version": "v2" } ]
2015-03-17
[ [ "Fukushima", "Kenji", "" ], [ "Hatsuda", "Tetsuo", "" ] ]
Current status of theoretical researches on the QCD phase diagram at finite temperature and baryon chemical potential is reviewed with special emphasis on the origin of various phases and their symmetry breaking patterns. Topics include; quark deconfinement, chiral symmetry restoration, order of the phase transitions, ...
hep-ph/9602420
Matthias Heyssler
Matthias Heyssler (Department of Physics, Durham)
Diffractive Heavy Flavour Production at the Tevatron and the LHC
24 pages, LaTeX source file. 5 figures, uses epsf.sty and epsfig.sty uuencoded with 'uufiles'
Z.Phys. C73 (1997) 299-308
null
DTP/96/10
hep-ph
null
We give predictions for diffractive heavy flavour production at the Tevatron and the LHC in leading--order approximation. In the framework of these studies we use three different models for the partonic structure of the Pomeron recently proposed by Stirling and Kunszt. These Pomeron models are, despite being fitted t...
[ { "created": "Wed, 28 Feb 1996 15:52:39 GMT", "version": "v1" } ]
2007-05-23
[ [ "Heyssler", "Matthias", "", "Department of Physics, Durham" ] ]
We give predictions for diffractive heavy flavour production at the Tevatron and the LHC in leading--order approximation. In the framework of these studies we use three different models for the partonic structure of the Pomeron recently proposed by Stirling and Kunszt. These Pomeron models are, despite being fitted to ...
1401.0221
Giorgio Arcadi
Giorgio Arcadi, Yann Mambrini, Michel H.G. Tytgat and Bryan Zaldivar
Invisible Z' and dark matter: LHC vs LUX constraints
Figure and references added. Accepted for publication in JHEP
null
10.1007/JHEP03(2014)134
null
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a simple, yet generic scenario in which a new heavy $Z'$ gauge boson couples both to SM fermions and to dark matter. In this framework we confront the best LHC limits on an extra gauge boson $Z'$ to the constraints on couplings to dark matter from direct detection experiments. In particular we show that t...
[ { "created": "Tue, 31 Dec 2013 21:21:54 GMT", "version": "v1" }, { "created": "Fri, 21 Feb 2014 18:07:54 GMT", "version": "v2" } ]
2015-06-18
[ [ "Arcadi", "Giorgio", "" ], [ "Mambrini", "Yann", "" ], [ "Tytgat", "Michel H. G.", "" ], [ "Zaldivar", "Bryan", "" ] ]
We consider a simple, yet generic scenario in which a new heavy $Z'$ gauge boson couples both to SM fermions and to dark matter. In this framework we confront the best LHC limits on an extra gauge boson $Z'$ to the constraints on couplings to dark matter from direct detection experiments. In particular we show that the...
1102.1134
Artem Lipatov
A.V. Lipatov, M.A. Malyshev, N.P. Zotov
Testing for kt-factorization with inclusive prompt photon production at LHC
10 pages, 3 figures
Phys.Lett.B699:93-97,2011
10.1016/j.physletb.2011.03.057
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the possibility to analyse the data on inclusive prompt photon production at first LHC runs in the framework of the kt-factorization QCD approach. Our consideration is based on the amplitude for the production of a single photon associated with a quark pair in the fusion of two off-shell gluons. The quark co...
[ { "created": "Sun, 6 Feb 2011 09:54:19 GMT", "version": "v1" }, { "created": "Mon, 21 Feb 2011 07:22:46 GMT", "version": "v2" }, { "created": "Fri, 18 Mar 2011 08:10:55 GMT", "version": "v3" } ]
2011-04-20
[ [ "Lipatov", "A. V.", "" ], [ "Malyshev", "M. A.", "" ], [ "Zotov", "N. P.", "" ] ]
We study the possibility to analyse the data on inclusive prompt photon production at first LHC runs in the framework of the kt-factorization QCD approach. Our consideration is based on the amplitude for the production of a single photon associated with a quark pair in the fusion of two off-shell gluons. The quark comp...
1111.6069
Pasquini Barbara
C. Lorce' (IPN and LPT, Orsay), B. Pasquini (Pavia U. and INFN, Pavia)
Pretzelosity TMD and Quark Orbital Angular Momentum
8 pages; references added, version to appear in Phys. Lett. B
null
10.1016/j.physletb.2012.03.025
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the connection between the quark orbital angular momentum and the pretzelosity transverse-momentum dependent parton distribution function. We discuss the origin of this relation in quark models, identifying as key ingredient for its validity the assumption of spherical symmetry for the nucleon in its rest fr...
[ { "created": "Fri, 25 Nov 2011 17:47:24 GMT", "version": "v1" }, { "created": "Wed, 21 Mar 2012 14:48:19 GMT", "version": "v2" }, { "created": "Thu, 22 Mar 2012 05:13:54 GMT", "version": "v3" } ]
2015-06-03
[ [ "Lorce'", "C.", "", "IPN and LPT, Orsay" ], [ "Pasquini", "B.", "", "Pavia U. and INFN, Pavia" ] ]
We study the connection between the quark orbital angular momentum and the pretzelosity transverse-momentum dependent parton distribution function. We discuss the origin of this relation in quark models, identifying as key ingredient for its validity the assumption of spherical symmetry for the nucleon in its rest fram...
2008.09532
Felix Ringer
Duff Neill, Felix Ringer, Nobuo Sato
Calculating the energy loss of leading jets
7 pages, 3 figures, 10th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions
null
null
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The energy loss mechanism of jets plays a central role in nuclear and high energy physics. We propose direct measurements of the energy loss of leading jets and perform a calculation at next-to-leading logarithmic (NLL$'$) accuracy in the vacuum. The formation of leading jets can be described by jet functions which c...
[ { "created": "Fri, 21 Aug 2020 15:18:37 GMT", "version": "v1" } ]
2020-08-24
[ [ "Neill", "Duff", "" ], [ "Ringer", "Felix", "" ], [ "Sato", "Nobuo", "" ] ]
The energy loss mechanism of jets plays a central role in nuclear and high energy physics. We propose direct measurements of the energy loss of leading jets and perform a calculation at next-to-leading logarithmic (NLL$'$) accuracy in the vacuum. The formation of leading jets can be described by jet functions which con...
1201.6029
George W. S. Hou
Wei-Shu Hou
Some Unfinished Thoughts on Strong Yukawa Couplings
5 pages, 3 figures, to be published in Chinese Journal of Physics
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Yukawa couplings of electroweak Goldstone bosons can be inferred from experiment, but the existence of an elementary Higgs boson is not yet an established fact. If a sequential chiral quark generation does exist, it would bring us now into the strong Yukawa coupling regime. Guided by a Bethe--Salpeter equation approa...
[ { "created": "Sun, 29 Jan 2012 11:28:05 GMT", "version": "v1" } ]
2012-01-31
[ [ "Hou", "Wei-Shu", "" ] ]
Yukawa couplings of electroweak Goldstone bosons can be inferred from experiment, but the existence of an elementary Higgs boson is not yet an established fact. If a sequential chiral quark generation does exist, it would bring us now into the strong Yukawa coupling regime. Guided by a Bethe--Salpeter equation approach...
hep-ph/0209148
Yoshio Koide
Yoshio Koide and Hideo Fusaoka
A Unified Description of Quark and Lepton Mass Matrices in a Universal Seesaw Model
7 pages, no figure
Phys.Rev.D66:113004,2002
10.1103/PhysRevD.66.113004
CERN-TH/2002-236; US-02-09; AMU-02-09
hep-ph
null
In the democratic universal seesaw model, the mass matrices are given by \bar{f}_L m_L F_R + \bar{F}_L m_R f_R + \bar{F}_L M_F F_R (f: quarks and leptons; F: hypothetical heavy fermions), m_L and m_R are universal for up- and down-fermions, and M_F has a structure ({\bf 1}+ b_f X) (b_f is a flavour-dependent paramete...
[ { "created": "Fri, 13 Sep 2002 09:29:04 GMT", "version": "v1" } ]
2014-11-17
[ [ "Koide", "Yoshio", "" ], [ "Fusaoka", "Hideo", "" ] ]
In the democratic universal seesaw model, the mass matrices are given by \bar{f}_L m_L F_R + \bar{F}_L m_R f_R + \bar{F}_L M_F F_R (f: quarks and leptons; F: hypothetical heavy fermions), m_L and m_R are universal for up- and down-fermions, and M_F has a structure ({\bf 1}+ b_f X) (b_f is a flavour-dependent parameter,...
1810.06690
Agustin Sabio Vera
Grigorios Chachamis, Agust\'in Sabio Vera
Reggeon webs, spin chains and the Odderon
6 pages, 8 figures, proceedings of the conference "Hadron Structure and QCD: from Low to High Energies", Gatchina, Russia, August 6-10, 2018. Dedicated to the memory of Lev N. Lipatov
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
At high center-of-mass energies scattering amplitudes enjoy a hidden integrability. An important example in QCD is Odderon exchange, a composite state of three reggeized gluons, with can be understood as a closed spin chain with periodic boundary conditions. In the N=4 supersymmetric Yang-Mills theory a similar open ...
[ { "created": "Mon, 15 Oct 2018 21:01:52 GMT", "version": "v1" } ]
2018-10-17
[ [ "Chachamis", "Grigorios", "" ], [ "Vera", "Agustín Sabio", "" ] ]
At high center-of-mass energies scattering amplitudes enjoy a hidden integrability. An important example in QCD is Odderon exchange, a composite state of three reggeized gluons, with can be understood as a closed spin chain with periodic boundary conditions. In the N=4 supersymmetric Yang-Mills theory a similar open sp...
hep-ph/0111108
Mohan
Mohan Narayan and S. Uma Sankar, IIT Bombay
Analytical calculation of matter effects in two mass-scale neutrino oscillations
gzipped RevTeX file, 13 pages, no figures
Mod.Phys.Lett. A18 (2003) 569-578
10.1142/S0217732303009708
null
hep-ph
null
We consider three active flavor neutrino oscillations where both the mass-square differences play a role in atmospheric neutrino problem. We calculate the matter effects arising due to propagation through earth. We demonstrate that these effects improve the fit to the electron data vis-a-vis vacuum oscillations but m...
[ { "created": "Fri, 9 Nov 2001 08:47:07 GMT", "version": "v1" } ]
2009-11-07
[ [ "Narayan", "Mohan", "" ], [ "Sankar", "S. Uma", "" ], [ "Bombay", "IIT", "" ] ]
We consider three active flavor neutrino oscillations where both the mass-square differences play a role in atmospheric neutrino problem. We calculate the matter effects arising due to propagation through earth. We demonstrate that these effects improve the fit to the electron data vis-a-vis vacuum oscillations but mak...
2301.01830
Robert Shrock
Robert Shrock
Search for an Ultraviolet Zero in the Seven-Loop Beta Function of the $\lambda \phi^4_4$ Theory
6 pages, latex, 2 figures. arXiv admin note: substantial text overlap with arXiv:1610.03733
Phys. Rev. D 107, 056018 (2023)
10.1103/PhysRevD.107.056018
YITP-SB-2023-1
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
We investigate whether the seven-loop beta function of the $\lambda \phi^4_4$ theory exhibits evidence for an ultraviolet zero. In addition to a direct analysis of the beta function, we calculate and study Pad\'e approximants and discuss effects of scheme transformations on the results. Confirming and extending our e...
[ { "created": "Wed, 4 Jan 2023 21:44:16 GMT", "version": "v1" } ]
2023-03-24
[ [ "Shrock", "Robert", "" ] ]
We investigate whether the seven-loop beta function of the $\lambda \phi^4_4$ theory exhibits evidence for an ultraviolet zero. In addition to a direct analysis of the beta function, we calculate and study Pad\'e approximants and discuss effects of scheme transformations on the results. Confirming and extending our ear...
1104.3274
Kwang Sik Jeong
Kiwoon Choi, Kwang Sik Jeong, Ken-Ichi Okumura, Masahiro Yamaguchi
Mixed Mediation of Supersymmetry Breaking with Anomalous U(1) Gauge Symmetry
30 pages, 5 figures
null
10.1007/JHEP06(2011)049
KYUSHU-HET 125, TU-882
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Models with anomalous U(1) gauge symmetry contain various superfields which can have nonzero supersymmetry breaking auxiliary components providing the origin of soft terms in the visible sector, e.g. the U(1) vector superfield, the modulus or dilaton superfield implementing the Green-Schwarz anomaly cancellation mech...
[ { "created": "Sun, 17 Apr 2011 03:00:42 GMT", "version": "v1" } ]
2015-05-27
[ [ "Choi", "Kiwoon", "" ], [ "Jeong", "Kwang Sik", "" ], [ "Okumura", "Ken-Ichi", "" ], [ "Yamaguchi", "Masahiro", "" ] ]
Models with anomalous U(1) gauge symmetry contain various superfields which can have nonzero supersymmetry breaking auxiliary components providing the origin of soft terms in the visible sector, e.g. the U(1) vector superfield, the modulus or dilaton superfield implementing the Green-Schwarz anomaly cancellation mechan...
hep-ph/0309153
Masaaki Kuroda
Masaaki Kuroda and Dieter Schildknecht
The total virtual photoabsorption cross section, deeply virtual Compton scattering and vector-meson production
31 pages Latex, 10 figures and 1 table
Eur.Phys.J.C37:205-222,2004; Erratum-ibid.C44:613,2005
10.1140/epjc/s2004-01986-x 10.1140/epjc/s2005-02384-8
BI-TP 2003/23
hep-ph
null
Based on the two-gluon-exchange dynamical mechanism for deeply inelastic scattering at low x ~= Q^2/W^2 <<1, we stress the intimate connection between the total virtual photoabsorption cross section, deeply virtual Compton scattering and vector-meson electroproduction. A simple expression for the cross section for de...
[ { "created": "Sat, 13 Sep 2003 01:47:40 GMT", "version": "v1" }, { "created": "Wed, 11 Feb 2004 01:14:50 GMT", "version": "v2" } ]
2014-11-17
[ [ "Kuroda", "Masaaki", "" ], [ "Schildknecht", "Dieter", "" ] ]
Based on the two-gluon-exchange dynamical mechanism for deeply inelastic scattering at low x ~= Q^2/W^2 <<1, we stress the intimate connection between the total virtual photoabsorption cross section, deeply virtual Compton scattering and vector-meson electroproduction. A simple expression for the cross section for deep...
2104.11425
Snigdha Ghosh
Nilanjan Chaudhuri, Snigdha Ghosh, Sourav Sarkar and Pradip Roy
Dilepton production from magnetized quark matter with an anomalous magnetic moment of the quarks using a three-flavor PNJL model
Version published in Physical Review D
Phys. Rev. D 103, 096021 (2021)
10.1103/PhysRevD.103.096021
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dilepton production from hot, dense and magnetized quark matter is studied using the three-flavor Polyakov loop extended Nambu--Jona-Lasinio (PNJL) model in which the anomalous magnetic moment (AMM) of the quarks is also taken into consideration. This is done by first evaluating the thermo-magnetic spectral function ...
[ { "created": "Fri, 23 Apr 2021 06:16:59 GMT", "version": "v1" }, { "created": "Mon, 24 May 2021 15:25:08 GMT", "version": "v2" } ]
2021-06-02
[ [ "Chaudhuri", "Nilanjan", "" ], [ "Ghosh", "Snigdha", "" ], [ "Sarkar", "Sourav", "" ], [ "Roy", "Pradip", "" ] ]
Dilepton production from hot, dense and magnetized quark matter is studied using the three-flavor Polyakov loop extended Nambu--Jona-Lasinio (PNJL) model in which the anomalous magnetic moment (AMM) of the quarks is also taken into consideration. This is done by first evaluating the thermo-magnetic spectral function of...
hep-ph/0611058
Naotoshi Okamura
Kaoru Hagiwara and Naotoshi Okamura
Solving the degeneracy of the lepton-flavor mixing angle theta_atm by the T2KK two detector neutrino oscillation experiment
23 pages, 9 figures
JHEP0801:022,2008
10.1088/1126-6708/2008/01/022
KEK-TH-1109, YITP-06-48
hep-ph
null
If the atmospheric neutrino oscillation amplitude, sin^2 2theta_atm is not maximal, there is a two fold ambiguity in the neutrino parameter space: sin^2 theta_atm>0.5 or sin^2 theta_atm<0.5. In this article, we study the impact of this degeneracy, the so-called octant degeneracy, on the T2KK experiment, which is a pr...
[ { "created": "Mon, 6 Nov 2006 10:42:51 GMT", "version": "v1" } ]
2008-11-26
[ [ "Hagiwara", "Kaoru", "" ], [ "Okamura", "Naotoshi", "" ] ]
If the atmospheric neutrino oscillation amplitude, sin^2 2theta_atm is not maximal, there is a two fold ambiguity in the neutrino parameter space: sin^2 theta_atm>0.5 or sin^2 theta_atm<0.5. In this article, we study the impact of this degeneracy, the so-called octant degeneracy, on the T2KK experiment, which is a prop...
1509.02977
Cesar Ferreira
Cesar P. Ferreira, Marcelo M. Guzzo and Pedro C. de Holanda
Cosmological bounds of sterile neutrinos in a $SU(3)_C\otimes SU(3)_L\otimes SU(3)_R\otimes U(1)_N$ model as dark matter candidates
17 pages, 1 figure, 2 tables
null
10.1007/s13538-016-0427-2
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study sterile neutrinos in an extension of the standard model, based on the gauge group $SU(3)_C\otimes SU(3)_L\otimes SU(3)_R\otimes U(1)_N$, and use this model to illustrate how to apply cosmological limits to thermalized particles that decouple while relativistic. These neutrinos, $N_{aL}$, can be dark matter c...
[ { "created": "Thu, 10 Sep 2015 00:19:35 GMT", "version": "v1" } ]
2016-06-21
[ [ "Ferreira", "Cesar P.", "" ], [ "Guzzo", "Marcelo M.", "" ], [ "de Holanda", "Pedro C.", "" ] ]
We study sterile neutrinos in an extension of the standard model, based on the gauge group $SU(3)_C\otimes SU(3)_L\otimes SU(3)_R\otimes U(1)_N$, and use this model to illustrate how to apply cosmological limits to thermalized particles that decouple while relativistic. These neutrinos, $N_{aL}$, can be dark matter can...
1712.07160
Hugues Beauchesne
Hugues Beauchesne, Enrico Bertuzzo, Giovanni Grilli di Cortona, Zahra Tabrizi
Collider phenomenology of Hidden Valley mediators of spin 0 or 1/2 with semivisible jets
40 pages, 11 figures, published version
null
10.1007/JHEP08(2018)030
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Many models of Beyond the Standard Model physics contain particles that are charged under both Standard Model and Hidden Valley gauge groups, yet very little effort has been put into establishing their experimental signatures. We provide a general overview of the collider phenomenology of spin 0 or 1/2 mediators with...
[ { "created": "Tue, 19 Dec 2017 19:24:08 GMT", "version": "v1" }, { "created": "Tue, 14 Aug 2018 18:45:35 GMT", "version": "v2" } ]
2018-08-29
[ [ "Beauchesne", "Hugues", "" ], [ "Bertuzzo", "Enrico", "" ], [ "di Cortona", "Giovanni Grilli", "" ], [ "Tabrizi", "Zahra", "" ] ]
Many models of Beyond the Standard Model physics contain particles that are charged under both Standard Model and Hidden Valley gauge groups, yet very little effort has been put into establishing their experimental signatures. We provide a general overview of the collider phenomenology of spin 0 or 1/2 mediators with n...
2401.13663
Andrea Simonelli
Andrea Simonelli
Analytic Solutions of the DGLAP Evolution and Theoretical Uncertainties
16 pages, 3 figures
null
null
JLAB-THY-24-3986
hep-ph
http://creativecommons.org/licenses/by/4.0/
The energy dependence for the singlet sector of Parton Distributions Functions (PDFs) is described by an entangled pair of ordinary linear differential equations. Although there are no exact analytic solutions, it is possible to provide approximated results depending on the assumptions and the methodology adopted. Th...
[ { "created": "Wed, 24 Jan 2024 18:56:54 GMT", "version": "v1" }, { "created": "Tue, 27 Feb 2024 16:08:26 GMT", "version": "v2" } ]
2024-02-28
[ [ "Simonelli", "Andrea", "" ] ]
The energy dependence for the singlet sector of Parton Distributions Functions (PDFs) is described by an entangled pair of ordinary linear differential equations. Although there are no exact analytic solutions, it is possible to provide approximated results depending on the assumptions and the methodology adopted. Thes...
2207.02813
Xiang Liu
Hong-Tao An, Zhan-Wei Liu, Fu-Sheng Yu, Xiang Liu
Discovery of $T_{c\bar s 0}^a(2900)^{0,++}$ implies new charmed-strange pentaquark system
6 pages, 2 figures and 2 tables
Phys. Rev. D 106, L111501 (2022)
10.1103/PhysRevD.106.L111501
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Inspired by the very recently discovered tetraquark states $T_{c\bar s 0}^a(2900)^{0,++}$ from the LHCb Collaboration, we predict the existence of a new charmed-strange pentaquark system, $c\bar s nnn$, which is closely connected to $c\bar s n\bar n$ by exchanging $\bar n$ into $nn$ with $n=u,d$. Especially, it is su...
[ { "created": "Wed, 6 Jul 2022 17:02:42 GMT", "version": "v1" }, { "created": "Thu, 14 Jul 2022 17:18:08 GMT", "version": "v2" }, { "created": "Fri, 9 Dec 2022 02:24:34 GMT", "version": "v3" } ]
2022-12-15
[ [ "An", "Hong-Tao", "" ], [ "Liu", "Zhan-Wei", "" ], [ "Yu", "Fu-Sheng", "" ], [ "Liu", "Xiang", "" ] ]
Inspired by the very recently discovered tetraquark states $T_{c\bar s 0}^a(2900)^{0,++}$ from the LHCb Collaboration, we predict the existence of a new charmed-strange pentaquark system, $c\bar s nnn$, which is closely connected to $c\bar s n\bar n$ by exchanging $\bar n$ into $nn$ with $n=u,d$. Especially, it is sugg...
1204.5465
Alessandro Strumia
Gian F. Giudice, Riccardo Rattazzi, Alessandro Strumia
Unificaxion
16 pages, 5 figures
null
10.1016/j.physletb.2012.07.028
CERN-PH-TH/2012-098
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark matter, gauge coupling unification, and the strong CP problem find a common and simple solution (in the absence of naturalness) within axion models. We show that such solution, even without specifying the details of the model implementation, makes testable predictions for the experimentally measurable axion para...
[ { "created": "Tue, 24 Apr 2012 19:28:32 GMT", "version": "v1" } ]
2015-06-04
[ [ "Giudice", "Gian F.", "" ], [ "Rattazzi", "Riccardo", "" ], [ "Strumia", "Alessandro", "" ] ]
Dark matter, gauge coupling unification, and the strong CP problem find a common and simple solution (in the absence of naturalness) within axion models. We show that such solution, even without specifying the details of the model implementation, makes testable predictions for the experimentally measurable axion parame...
2210.11956
Weihua Yang
W. Yang, C. Li
The hadron pair forward-backward asymmetry in the electron positron annihilation process
arXiv admin note: text overlap with arXiv:2205.04068
null
10.1016/j.nuclphysa.2023.122627
null
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
The forward-backward asymmetry is an important measurable quantity which can enable independent determination of the neutral-current couplings of fermions. In this paper, we extend the definition of the asymmetry from the partonic level to the hadronic level by calculating this asymmetry of the hadron pair in the sem...
[ { "created": "Fri, 21 Oct 2022 13:30:40 GMT", "version": "v1" }, { "created": "Thu, 2 Mar 2023 00:58:11 GMT", "version": "v2" } ]
2023-03-22
[ [ "Yang", "W.", "" ], [ "Li", "C.", "" ] ]
The forward-backward asymmetry is an important measurable quantity which can enable independent determination of the neutral-current couplings of fermions. In this paper, we extend the definition of the asymmetry from the partonic level to the hadronic level by calculating this asymmetry of the hadron pair in the semi-...
1506.04951
S Dev Sharma
S. Dev, Lal Singh and Desh Raj
Neutrino Mass Matrices with Two Vanishing Elements/Cofactors
15 pages, 10 figures and 3 tables
null
10.1140/epjc/s10052-015-3569-4
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the phenomenological implications of the recent neutrino data for class B of two texture zeros and two vanishing cofactors for Majorana neutrinos in the flavor basis. We find that classes $B_{1}$($B_2$) of two texture zeros and classes $B_5$($B_6$) of two vanishing cofactors have similar predictions for neut...
[ { "created": "Tue, 16 Jun 2015 12:58:55 GMT", "version": "v1" } ]
2015-09-30
[ [ "Dev", "S.", "" ], [ "Singh", "Lal", "" ], [ "Raj", "Desh", "" ] ]
We study the phenomenological implications of the recent neutrino data for class B of two texture zeros and two vanishing cofactors for Majorana neutrinos in the flavor basis. We find that classes $B_{1}$($B_2$) of two texture zeros and classes $B_5$($B_6$) of two vanishing cofactors have similar predictions for neutri...
1403.4536
Kai Schmitz
Keisuke Harigaya, Masahiro Ibe, Kai Schmitz, Tsutomu T. Yanagida
Dynamical Chaotic Inflation in the Light of BICEP2
5 pages, 3 figures; v2: additional plots, more references, extended discussion on the effects of foreground subtraction
null
10.1016/j.physletb.2014.04.057
IPMU 14-0061
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The measurement of a large tensor-to-scalar ratio by the BICEP2 experiment, r = 0.20 (-0.05)(+0.07), severely restricts the landscape of viable inflationary models and shifts attention once more towards models featuring large inflaton field values. In this context, chaotic inflation based on a fractional power-law po...
[ { "created": "Tue, 18 Mar 2014 17:05:54 GMT", "version": "v1" }, { "created": "Tue, 25 Mar 2014 04:52:57 GMT", "version": "v2" } ]
2015-06-19
[ [ "Harigaya", "Keisuke", "" ], [ "Ibe", "Masahiro", "" ], [ "Schmitz", "Kai", "" ], [ "Yanagida", "Tsutomu T.", "" ] ]
The measurement of a large tensor-to-scalar ratio by the BICEP2 experiment, r = 0.20 (-0.05)(+0.07), severely restricts the landscape of viable inflationary models and shifts attention once more towards models featuring large inflaton field values. In this context, chaotic inflation based on a fractional power-law pote...
0801.3085
Richard Shurtleff
Richard Shurtleff
Gravity, Cosmic Rays and the LHC
5 pages, 1 figure, 3 problems
null
null
null
hep-ph astro-ph
null
The high energy proton beams expected when the Large Hadron Collider (LHC) comes online should provide a pass/fail test for a gravity-related explanation of ultrahigh energy cosmic rays. The model predicts that particles have two kinds energies, equal for null gravitational potentials and, in the potential at the Ear...
[ { "created": "Sun, 20 Jan 2008 12:49:14 GMT", "version": "v1" } ]
2008-01-26
[ [ "Shurtleff", "Richard", "" ] ]
The high energy proton beams expected when the Large Hadron Collider (LHC) comes online should provide a pass/fail test for a gravity-related explanation of ultrahigh energy cosmic rays. The model predicts that particles have two kinds energies, equal for null gravitational potentials and, in the potential at the Earth...
1207.7287
Eugenio Megias
E. Megias, E. Ruiz Arriola, L. L. Salcedo
The hadron resonance gas model: thermodynamics of QCD and Polyakov loop
4 pages, 4 figures. To appear in the proceedings of 16th International Conference in Quantum Chromodynamics (QCD 12), Montpellier, France, 2 - 7 Jul 2012; v2 added references
Nucl.Phys.Proc.Suppl. 234 (2013) 313-316
10.1016/j.nuclphysbps.2012.12.039
UAB-FT-715
hep-ph hep-lat hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the hadron resonance gas model and describe the equation of state of QCD and the vacuum expectation value of the Polyakov loop in the confined phase, in terms of hadronic states with light quarks in the first case, and with exactly one heavy quark in the second case. Comparison with lattice simulations is ma...
[ { "created": "Tue, 31 Jul 2012 15:22:33 GMT", "version": "v1" }, { "created": "Thu, 30 Aug 2012 09:20:36 GMT", "version": "v2" } ]
2013-04-08
[ [ "Megias", "E.", "" ], [ "Arriola", "E. Ruiz", "" ], [ "Salcedo", "L. L.", "" ] ]
We study the hadron resonance gas model and describe the equation of state of QCD and the vacuum expectation value of the Polyakov loop in the confined phase, in terms of hadronic states with light quarks in the first case, and with exactly one heavy quark in the second case. Comparison with lattice simulations is made...
1711.04524
Zong-Gang Mou
Zong-Gang Mou, Paul M. Saffin and Anders Tranberg
Simulations of Cold Electroweak Baryogenesis: Quench from portal coupling to new singlet field
23 pages, 11 figures
null
10.1007/JHEP01(2018)103
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the baryon asymmetry generated from Cold Electroweak Baryogenesis, when a dynamical Beyond-the-Standard-Model scalar singlet field triggers the spinodal transition. Using a simple potential for this additional field, we match the speed of the quench to earlier simulations with a "by-hand" mass flip. We fin...
[ { "created": "Mon, 13 Nov 2017 11:07:53 GMT", "version": "v1" } ]
2018-02-14
[ [ "Mou", "Zong-Gang", "" ], [ "Saffin", "Paul M.", "" ], [ "Tranberg", "Anders", "" ] ]
We compute the baryon asymmetry generated from Cold Electroweak Baryogenesis, when a dynamical Beyond-the-Standard-Model scalar singlet field triggers the spinodal transition. Using a simple potential for this additional field, we match the speed of the quench to earlier simulations with a "by-hand" mass flip. We find ...
hep-ph/0204355
Davesne
C. Pujol, D. Davesne
Relativistic dissipative hydrodynamics with spontaneous symmetry breaking
5 pages, RevTeX Minor changes, version accepted for publication
Phys.Rev. C67 (2003) 014901
10.1103/PhysRevC.67.014901
LYCEN 2002-26
hep-ph
null
In this paper we consider dissipative hydrodynamic equations for systems with continuous broken symmetries. We first present the case of superfluidity, in which the symmetry U(1) is broken and then generalize to the chiral symmetry $SU(2)_L \times SU(2)_R$. The corresponding new transport coefficients are introduced....
[ { "created": "Tue, 30 Apr 2002 14:13:49 GMT", "version": "v1" }, { "created": "Wed, 29 Jan 2003 13:45:20 GMT", "version": "v2" } ]
2016-09-06
[ [ "Pujol", "C.", "" ], [ "Davesne", "D.", "" ] ]
In this paper we consider dissipative hydrodynamic equations for systems with continuous broken symmetries. We first present the case of superfluidity, in which the symmetry U(1) is broken and then generalize to the chiral symmetry $SU(2)_L \times SU(2)_R$. The corresponding new transport coefficients are introduced.
0705.2399
Vladimir Miransky
Michio Hashimoto and V. A. Miransky
Gluonic phases and phase diagram in neutral two flavor dense QCD
PTPTeX, 12 pages, 5 figures; v2: to match published version
Prog.Theor.Phys.118:303-314,2007
10.1143/PTP.118.303
UWO-TH-07/08
hep-ph hep-th nucl-th
null
A numerical analysis of several phases in the cold neutral two flavor dense quark matter is realized. In the analysis, besides the normal, single plane wave LOFF, and color superconducting 2SC/g2SC phases, we also include two gluonic phases (the gluonic cylindrical phase II and the gluonic color-spin locked one). It ...
[ { "created": "Wed, 16 May 2007 18:19:50 GMT", "version": "v1" }, { "created": "Tue, 28 Aug 2007 16:00:17 GMT", "version": "v2" } ]
2008-11-26
[ [ "Hashimoto", "Michio", "" ], [ "Miransky", "V. A.", "" ] ]
A numerical analysis of several phases in the cold neutral two flavor dense quark matter is realized. In the analysis, besides the normal, single plane wave LOFF, and color superconducting 2SC/g2SC phases, we also include two gluonic phases (the gluonic cylindrical phase II and the gluonic color-spin locked one). It is...
hep-ph/9709367
Yoshimura Masaki
Eiichi Takasugi and Masaki Yoshimura
Reconstruction of quark mass matrices in the NNI form from the experimental data
17 pages and 4 figures
Prog.Theor.Phys. 98 (1997) 1313-1323
10.1143/PTP.98.1313
null
hep-ph
null
We examined the question that what is a general form of quark mass matrices which is achieved by the transformation that leaves the left-handed gauge interaction invariant. In particular, we analyzed in detail the Fritzsch-type and the Branco-Silva-Marcos-type parametrization. Both parametrizations contain ten parame...
[ { "created": "Wed, 17 Sep 1997 23:45:59 GMT", "version": "v1" } ]
2009-10-30
[ [ "Takasugi", "Eiichi", "" ], [ "Yoshimura", "Masaki", "" ] ]
We examined the question that what is a general form of quark mass matrices which is achieved by the transformation that leaves the left-handed gauge interaction invariant. In particular, we analyzed in detail the Fritzsch-type and the Branco-Silva-Marcos-type parametrization. Both parametrizations contain ten paramete...
2005.03351
Xing-Xing Dong
Xing-Xing Dong, Tai-Fu Feng, Shu-Min Zhao, Hai-Bin Zhang
The naturalness in the BLMSSM and B-LSSM
null
null
10.1140/epjc/s10052-020-08768-0
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In order to interpret the Higgs mass and its decays more naturally, we hope to intrude the BLMSSM and B-LSSM. In the both models, the right-handed neutrino superfields are introduced to better explain the neutrino mass problems. In addition, there are other superfields considered to make these models more natural tha...
[ { "created": "Thu, 7 May 2020 09:33:40 GMT", "version": "v1" } ]
2021-02-03
[ [ "Dong", "Xing-Xing", "" ], [ "Feng", "Tai-Fu", "" ], [ "Zhao", "Shu-Min", "" ], [ "Zhang", "Hai-Bin", "" ] ]
In order to interpret the Higgs mass and its decays more naturally, we hope to intrude the BLMSSM and B-LSSM. In the both models, the right-handed neutrino superfields are introduced to better explain the neutrino mass problems. In addition, there are other superfields considered to make these models more natural than ...
1008.1267
Sannino Francesco
Stefano Di Chiara, Claudio Pica and Francesco Sannino (CP3-Origins)
Flavor Dependence of the S-parameter
Version to match the one published in Phys. Lett. B. The file is prepared in the 2-columns RevTeX format has 9 pages, 4 figures and one table
Phys.Lett.B700:229-235,2011
10.1016/j.physletb.2011.05.008
CP3-Origins-2010-32
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We extend the results of [arXiv:1006.0207 [hep-lat]] by computing the S-parameter at two loops in the perturbative region of the conformal window. Consistently using the expression for the location of the infra-red fixed point at the two-loop order we express the S-parameter in terms of the number of flavors, colors ...
[ { "created": "Fri, 6 Aug 2010 20:00:35 GMT", "version": "v1" }, { "created": "Sun, 15 May 2011 21:11:16 GMT", "version": "v2" } ]
2011-06-13
[ [ "Di Chiara", "Stefano", "", "CP3-Origins" ], [ "Pica", "Claudio", "", "CP3-Origins" ], [ "Sannino", "Francesco", "", "CP3-Origins" ] ]
We extend the results of [arXiv:1006.0207 [hep-lat]] by computing the S-parameter at two loops in the perturbative region of the conformal window. Consistently using the expression for the location of the infra-red fixed point at the two-loop order we express the S-parameter in terms of the number of flavors, colors an...
hep-ph/9802389
Wei Zheng-Tao
Dong-Sheng Du, Zheng-Tao Wei
Space-like Penguin Effects in $B_{c}$ Decays
Latex, 13 pages, with 2 figures and 2 tables
Eur.Phys.J.C5:705-709,1998
10.1007/s100520050313
null
hep-ph
null
The space-like penguin contributions to branching ratios and CP asymmetries in charmless decays of $B_{c}$ to two pseudoscalar mesons are studied using the next-to-leading order low energy effective Hamiltonian and factorization approximation. Both the gluonic penguin and the electroweak penguin diagrams are consider...
[ { "created": "Sun, 22 Feb 1998 11:48:48 GMT", "version": "v1" } ]
2011-09-13
[ [ "Du", "Dong-Sheng", "" ], [ "Wei", "Zheng-Tao", "" ] ]
The space-like penguin contributions to branching ratios and CP asymmetries in charmless decays of $B_{c}$ to two pseudoscalar mesons are studied using the next-to-leading order low energy effective Hamiltonian and factorization approximation. Both the gluonic penguin and the electroweak penguin diagrams are considered...
1504.00509
Chong Sheng Li
Yan Wang, Chong Sheng Li, Ze Long Liu
Resummation prediction on gauge boson pair production with a jet veto
15 pages, 11 figures
Phys. Rev. D 93, 094020 (2016)
10.1103/PhysRevD.93.094020
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the resummation effects with a jet veto, for WZ and ZZ productions at the LHC in soft-collinear effective theory. We present the invariant mass distributions and the total cross section with different jet veto and jet radius for these process at Next-to-Next-to-Leading-Logarithmic level. Our results sh...
[ { "created": "Thu, 2 Apr 2015 11:11:06 GMT", "version": "v1" } ]
2016-05-25
[ [ "Wang", "Yan", "" ], [ "Li", "Chong Sheng", "" ], [ "Liu", "Ze Long", "" ] ]
We investigate the resummation effects with a jet veto, for WZ and ZZ productions at the LHC in soft-collinear effective theory. We present the invariant mass distributions and the total cross section with different jet veto and jet radius for these process at Next-to-Next-to-Leading-Logarithmic level. Our results show...
2308.11703
Susanne Westhoff
Sebastian Bruggisser, Lara Grabitz, Susanne Westhoff
Global Analysis of the ALP Effective Theory
29 pages, 7 figures
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We perform a global fit of the effective Lagrangian for axion-like particles (ALPs) to data. By combining LHC observables from top physics, dijet and di-boson production with electroweak precision observables, we resolve the full parameter space of ALPs with flavor-universal couplings. Using the renormalization group...
[ { "created": "Tue, 22 Aug 2023 18:00:01 GMT", "version": "v1" } ]
2023-08-24
[ [ "Bruggisser", "Sebastian", "" ], [ "Grabitz", "Lara", "" ], [ "Westhoff", "Susanne", "" ] ]
We perform a global fit of the effective Lagrangian for axion-like particles (ALPs) to data. By combining LHC observables from top physics, dijet and di-boson production with electroweak precision observables, we resolve the full parameter space of ALPs with flavor-universal couplings. Using the renormalization group t...
0704.2126
Cosimo Bambi
Cosimo Bambi
Strange stars and the cosmological constant problem
15 pages, 3 figures. v2: reference added and typos corrected
JCAP 0706:006,2007
10.1088/1475-7516/2007/06/006
null
hep-ph astro-ph
null
The cosmological constant problem represents an evident tension between our present description of gravity and particle physics. Many solutions have been proposed, but experimental tests are always difficult or impossible to perform and present phenomenological investigations focus only on possible relations with the...
[ { "created": "Tue, 17 Apr 2007 09:39:37 GMT", "version": "v1" }, { "created": "Mon, 23 Apr 2007 16:57:42 GMT", "version": "v2" } ]
2014-11-18
[ [ "Bambi", "Cosimo", "" ] ]
The cosmological constant problem represents an evident tension between our present description of gravity and particle physics. Many solutions have been proposed, but experimental tests are always difficult or impossible to perform and present phenomenological investigations focus only on possible relations with the d...
hep-ph/0204058
Werner Vogelsang
Jacques Soffer, Marco Stratmann, Werner Vogelsang
Accessing Transversity in Double-Spin Asymmetries at the BNL-RHIC
15 pages, LaTeX, 2 figures as eps files
Phys.Rev. D65 (2002) 114024
10.1103/PhysRevD.65.114024
CPT-2002/PE.4348, BNL-NT-02/6, RBRC-247
hep-ph
null
We give upper bounds for transverse double-spin asymmetries in polarized proton-proton collisions by saturating the positivity constraint for the transversity densities at a low hadronic resolution scale. We consider prompt photon, jet, pion, and heavy flavor production at the BNL Relativistic Heavy Ion Collider (RHI...
[ { "created": "Thu, 4 Apr 2002 15:58:16 GMT", "version": "v1" } ]
2009-11-07
[ [ "Soffer", "Jacques", "" ], [ "Stratmann", "Marco", "" ], [ "Vogelsang", "Werner", "" ] ]
We give upper bounds for transverse double-spin asymmetries in polarized proton-proton collisions by saturating the positivity constraint for the transversity densities at a low hadronic resolution scale. We consider prompt photon, jet, pion, and heavy flavor production at the BNL Relativistic Heavy Ion Collider (RHIC)...
hep-ph/0002029
Alberico
W.M. Alberico, J. Bernabeu, S.M. Bilenky and W. Grimus
Is it possible to determine the S-factor of the hep process from a laboratory experiment?
10 pages, no figures
Phys.Lett. B478 (2000) 208-214
10.1016/S0370-2693(00)00287-2
UWThPh-2000-05, February 2000
hep-ph astro-ph nucl-th
null
We discuss the problem of solar hep neutrinos originating from the reaction p + 3He -> 4He + e+ + nu and obtain a relation between the astrophysical S-factor of the hep process and the cross section of the process e- + 4He -> 3H + n + nu near threshold. The relation is based on the isotopic invariance of strong inter...
[ { "created": "Wed, 2 Feb 2000 17:47:22 GMT", "version": "v1" } ]
2016-09-06
[ [ "Alberico", "W. M.", "" ], [ "Bernabeu", "J.", "" ], [ "Bilenky", "S. M.", "" ], [ "Grimus", "W.", "" ] ]
We discuss the problem of solar hep neutrinos originating from the reaction p + 3He -> 4He + e+ + nu and obtain a relation between the astrophysical S-factor of the hep process and the cross section of the process e- + 4He -> 3H + n + nu near threshold. The relation is based on the isotopic invariance of strong interac...
1908.11653
Yuichi Uesaka
Yoshitaka Kuno, Joe Sato, Toru Sato, Yuichi Uesaka, Masato Yamanaka
Momentum distribution of the electron pair from the charged lepton flavor violating process $\mu^-e^-\to e^-e^-$ in muonic atoms with a polarized muon
11 pages, 6 figures
Phys. Rev. D 100, 075012 (2019)
10.1103/PhysRevD.100.075012
STUPP-19-238, OCU-PHYS 502, NITEP 20
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The $\mu^-e^-\to e^-e^-$ process in a muonic atom is one of the promising probes to study the charged lepton flavor violation (CLFV). We have investigated the angular distribution of electrons from the polarized muon of the atomic bound state. The parity violating asymmetric distribution of electrons is analyzed by u...
[ { "created": "Fri, 30 Aug 2019 11:20:05 GMT", "version": "v1" }, { "created": "Sat, 12 Oct 2019 08:57:24 GMT", "version": "v2" } ]
2019-10-16
[ [ "Kuno", "Yoshitaka", "" ], [ "Sato", "Joe", "" ], [ "Sato", "Toru", "" ], [ "Uesaka", "Yuichi", "" ], [ "Yamanaka", "Masato", "" ] ]
The $\mu^-e^-\to e^-e^-$ process in a muonic atom is one of the promising probes to study the charged lepton flavor violation (CLFV). We have investigated the angular distribution of electrons from the polarized muon of the atomic bound state. The parity violating asymmetric distribution of electrons is analyzed by usi...
2301.13249
Diego Aristizabal
D. Aristizabal Sierra
Extraction of neutron density distributions from high-statistics coherent elastic neutrino-nucleus scattering data
14 pages, 7 figures, 1 table. A few clarifications added. Matches version published in PLB
null
null
null
hep-ph hep-ex nucl-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
Forthcoming fixed-target coherent elastic neutrino-nucleus scattering experiments aim at measurements with $\cal{O}(\text{tonne})$-scale detectors and substantially reduced systematic and statistical uncertainties. With such high quality data, the extraction of point-neutron distributions mean-square radii requires a...
[ { "created": "Mon, 30 Jan 2023 19:34:19 GMT", "version": "v1" }, { "created": "Tue, 29 Aug 2023 16:15:40 GMT", "version": "v2" } ]
2023-08-30
[ [ "Sierra", "D. Aristizabal", "" ] ]
Forthcoming fixed-target coherent elastic neutrino-nucleus scattering experiments aim at measurements with $\cal{O}(\text{tonne})$-scale detectors and substantially reduced systematic and statistical uncertainties. With such high quality data, the extraction of point-neutron distributions mean-square radii requires a b...
1912.12669
Daiki Suenaga
Daiki Suenaga, Kei Suzuki, Yasufumi Araki and Shigehiro Yasui
Kondo effect driven by chirality imbalance
15 pages, 8 figures
Phys. Rev. Research 2, 023312 (2020)
10.1103/PhysRevResearch.2.023312
null
hep-ph cond-mat.mes-hall cond-mat.str-el
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a novel mechanism of the Kondo effect driven by a chirality imbalance (or chiral chemical potential) of relativistic light fermions. This effect is realized by the mixing between a right- or left-handed fermion and a heavy impurity in the chirality imbalanced matter even at zero density. This is different ...
[ { "created": "Sun, 29 Dec 2019 15:01:08 GMT", "version": "v1" }, { "created": "Mon, 15 Jun 2020 02:34:36 GMT", "version": "v2" } ]
2020-07-01
[ [ "Suenaga", "Daiki", "" ], [ "Suzuki", "Kei", "" ], [ "Araki", "Yasufumi", "" ], [ "Yasui", "Shigehiro", "" ] ]
We propose a novel mechanism of the Kondo effect driven by a chirality imbalance (or chiral chemical potential) of relativistic light fermions. This effect is realized by the mixing between a right- or left-handed fermion and a heavy impurity in the chirality imbalanced matter even at zero density. This is different fr...
1912.08832
Marek Lewicki
Yanou Cui (UC Riverside), Marek Lewicki (King's Coll. London & Warsaw U), David E. Morrissey (TRIUMF)
Gravitational Wave Bursts as Harbingers of Cosmic Strings Diluted by Inflation
9 pages, 5 figures
Phys. Rev. Lett. 125, 211302 (2020)
10.1103/PhysRevLett.125.211302
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A standard expectation of primordial cosmological inflation is that it dilutes all relics created before its onset to unobservable levels. We present a counterexample to this expectation by demonstrating that a network of cosmic strings diluted by inflation can regrow to a level that is potentially observable today i...
[ { "created": "Wed, 18 Dec 2019 19:01:18 GMT", "version": "v1" }, { "created": "Fri, 3 Jul 2020 12:48:29 GMT", "version": "v2" }, { "created": "Tue, 17 Nov 2020 16:25:59 GMT", "version": "v3" } ]
2020-11-25
[ [ "Cui", "Yanou", "", "UC Riverside" ], [ "Lewicki", "Marek", "", "King's Coll. London & Warsaw\n U" ], [ "Morrissey", "David E.", "", "TRIUMF" ] ]
A standard expectation of primordial cosmological inflation is that it dilutes all relics created before its onset to unobservable levels. We present a counterexample to this expectation by demonstrating that a network of cosmic strings diluted by inflation can regrow to a level that is potentially observable today in ...
hep-ph/0606221
Probhas Raychaudhri
Koushik Ghosh and Probhas Raychaudhuri
Finite Variance Scaling Analysis of the Solar Neutrino Flux Data from Sage and Gallex-Gno Detectors
10 pages including 6 figures
null
null
null
hep-ph
null
The scaling behaviours of the monthly solar neutrino flux data from (1) SAGE detector during the period from 1st January 1990 to 31st December 2000; (2) SAGE detector during the period from April 1998 to December 2001; (3) GALLEX detector during the period from May 1991 to January 1997; (4) GNO detector during the pe...
[ { "created": "Wed, 21 Jun 2006 03:21:21 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ghosh", "Koushik", "" ], [ "Raychaudhuri", "Probhas", "" ] ]
The scaling behaviours of the monthly solar neutrino flux data from (1) SAGE detector during the period from 1st January 1990 to 31st December 2000; (2) SAGE detector during the period from April 1998 to December 2001; (3) GALLEX detector during the period from May 1991 to January 1997; (4) GNO detector during the peri...
1311.1317
Shinsuke Kawai
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Supersymmetric B-L inflation near the conformal coupling
9 pages, 4 figures, REVTeX 4.1. References added (v2). Comments added and typos corrected (v3)
null
10.1016/j.physletb.2014.05.027
null
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate a novel scenario of cosmological inflation in a gauged $B-L$ extended minimal supersymmetric Standard Model with R-symmetry. We use a noncanonical K\"{a}hler potential and a superpotential, both preserving the R-symmetry to construct a model of slow-roll inflation. The model is controlled by two real p...
[ { "created": "Wed, 6 Nov 2013 09:22:34 GMT", "version": "v1" }, { "created": "Thu, 14 Nov 2013 08:56:38 GMT", "version": "v2" }, { "created": "Wed, 21 May 2014 10:05:36 GMT", "version": "v3" } ]
2014-05-22
[ [ "Arai", "Masato", "" ], [ "Kawai", "Shinsuke", "" ], [ "Okada", "Nobuchika", "" ] ]
We investigate a novel scenario of cosmological inflation in a gauged $B-L$ extended minimal supersymmetric Standard Model with R-symmetry. We use a noncanonical K\"{a}hler potential and a superpotential, both preserving the R-symmetry to construct a model of slow-roll inflation. The model is controlled by two real par...
1903.12545
We-Fu Chang
We-Fu Chang and John N. Ng
KeV scale new fermion from a hidden sector
27 pages, 4 figures; References added; Typos and minor mistakes corrected
Phys. Rev. D 101, 035028 (2020)
10.1103/PhysRevD.101.035028
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We studied a simple model of hidden sector consists of a Dirac fermion $\chi$ and a spontaneously broken $U(1)_s$ symmetry. The dark sector is connected to the Standard Model(SM) via three righthanded SM singlet neutrinos, $N_R$'s, and the kinetic mixing between $U(1)_s$ and $U(1)_Y$. A mixing between the scalar $\ph...
[ { "created": "Fri, 29 Mar 2019 14:34:58 GMT", "version": "v1" }, { "created": "Sat, 6 Apr 2019 02:32:33 GMT", "version": "v2" }, { "created": "Thu, 20 Feb 2020 15:51:52 GMT", "version": "v3" } ]
2020-02-26
[ [ "Chang", "We-Fu", "" ], [ "Ng", "John N.", "" ] ]
We studied a simple model of hidden sector consists of a Dirac fermion $\chi$ and a spontaneously broken $U(1)_s$ symmetry. The dark sector is connected to the Standard Model(SM) via three righthanded SM singlet neutrinos, $N_R$'s, and the kinetic mixing between $U(1)_s$ and $U(1)_Y$. A mixing between the scalar $\phi$...
hep-ph/0001027
Thomas K. Gaisser
T.K. Gaisser
Atmospheric Neutrino Flux: A Review of Calculations
7 pages, 4 figures, submitted to TAUP99
Nucl.Phys.Proc.Suppl.87:145-151,2000
10.1016/S0920-5632(00)00654-X
BA-00-01
hep-ph
null
Interpretation and understanding of the evidence for neutrino oscillations depends on knowledge of the atmospheric neutrino beam. In this talk I assess how well various features are known. The goal is to determine to what extent uncertainties in the neutrino beam may limit the conclusions about neutrino properties an...
[ { "created": "Tue, 4 Jan 2000 16:48:37 GMT", "version": "v1" } ]
2011-05-12
[ [ "Gaisser", "T. K.", "" ] ]
Interpretation and understanding of the evidence for neutrino oscillations depends on knowledge of the atmospheric neutrino beam. In this talk I assess how well various features are known. The goal is to determine to what extent uncertainties in the neutrino beam may limit the conclusions about neutrino properties and ...
1309.1385
Andreas Hohenegger
A. Hohenegger, A. Kartavtsev
Basis invariant measure of CP-violation and renormalization
5 pages
null
10.1016/j.nuclphysb.2015.08.009
MPP-2013-254
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze, in the context of a simple toy model, for which renormalization schemes the CP-properties of bare Lagrangian and its finite part coincide. We show that this is the case for the minimal subtraction and on-shell schemes. The CP-properties of the theory can then be characterized by CP-odd basis invariants ex...
[ { "created": "Thu, 5 Sep 2013 16:01:26 GMT", "version": "v1" }, { "created": "Sat, 27 Dec 2014 13:39:06 GMT", "version": "v2" } ]
2015-08-19
[ [ "Hohenegger", "A.", "" ], [ "Kartavtsev", "A.", "" ] ]
We analyze, in the context of a simple toy model, for which renormalization schemes the CP-properties of bare Lagrangian and its finite part coincide. We show that this is the case for the minimal subtraction and on-shell schemes. The CP-properties of the theory can then be characterized by CP-odd basis invariants expr...
1610.02025
Thomas Flacke
Thomas Flacke, Claudia Frugiuele, Elina Fuchs, Rick S. Gupta and Gilad Perez
Phenomenology of relaxion-Higgs mixing
46 pages, 6 figures, v3: typos fixed, references added, version matches the version published in JHEP
JHEP 1706 (2017) 050
10.1007/JHEP06(2017)050
CTPU-16-25
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that the relaxion generically stops its rolling at a point that breaks CP leading to relaxion-Higgs mixing. This opens the door to a variety of observational probes since the possible relaxion mass spans a broad range from sub-eV to the GeV scale. We derive constraints from current experiments (fifth force, a...
[ { "created": "Thu, 6 Oct 2016 19:58:24 GMT", "version": "v1" }, { "created": "Fri, 3 Mar 2017 02:36:11 GMT", "version": "v2" }, { "created": "Fri, 16 Jun 2017 12:53:14 GMT", "version": "v3" } ]
2017-06-19
[ [ "Flacke", "Thomas", "" ], [ "Frugiuele", "Claudia", "" ], [ "Fuchs", "Elina", "" ], [ "Gupta", "Rick S.", "" ], [ "Perez", "Gilad", "" ] ]
We show that the relaxion generically stops its rolling at a point that breaks CP leading to relaxion-Higgs mixing. This opens the door to a variety of observational probes since the possible relaxion mass spans a broad range from sub-eV to the GeV scale. We derive constraints from current experiments (fifth force, ast...
2102.07424
Anatoly Kotikov Vassilievich
A.V. Kotikov
Differential equations and Feynman integrals
22 pages; contribution to the proceedings of the International Conference "Antidifferentiation and the Calculation of Feynman Amplitudes" (4-9 October 2020, Zeuthen, Germany). arXiv admin note: text overlap with arXiv:2004.06625
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The role of differential equations in the process of calculating Feynman integrals is reviewed. An example of a diagram is given for which the method of differential equations was introduced, the properties of the inverse-mass-expansion coefficients are shown, and modern methods based on differential equations are co...
[ { "created": "Mon, 15 Feb 2021 10:01:53 GMT", "version": "v1" }, { "created": "Thu, 22 Jul 2021 12:01:14 GMT", "version": "v2" } ]
2021-07-23
[ [ "Kotikov", "A. V.", "" ] ]
The role of differential equations in the process of calculating Feynman integrals is reviewed. An example of a diagram is given for which the method of differential equations was introduced, the properties of the inverse-mass-expansion coefficients are shown, and modern methods based on differential equations are cons...
1412.5600
Diego Aristizabal
D. Aristizabal Sierra, Mikael Dhen, Chee Sheng Fong, Avelino Vicente
Dynamical flavor origin of $\mathbb{Z}_N$ symmetries
5 pages, 2 figures
Phys. Rev. D 91, 096004 (2015)
10.1103/PhysRevD.91.096004
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Discrete Abelian symmetries ($\mathbb{Z}_N$) are a common "artifact" of beyond the standard model physics models. They provide different avenues for constructing consistent scenarios for lepton and quark mixing patterns, radiative neutrino mass generation as well as dark matter stabilization. We argue that these symm...
[ { "created": "Wed, 17 Dec 2014 21:00:14 GMT", "version": "v1" } ]
2015-05-20
[ [ "Sierra", "D. Aristizabal", "" ], [ "Dhen", "Mikael", "" ], [ "Fong", "Chee Sheng", "" ], [ "Vicente", "Avelino", "" ] ]
Discrete Abelian symmetries ($\mathbb{Z}_N$) are a common "artifact" of beyond the standard model physics models. They provide different avenues for constructing consistent scenarios for lepton and quark mixing patterns, radiative neutrino mass generation as well as dark matter stabilization. We argue that these symmet...
1607.06066
Pavel Nadolsky
Tie-Jiun Hou, Jun Gao, Joey Huston, Pavel Nadolsky, Carl Schmidt, Daniel Stump, Bo-Ting Wang, Ke-Ping Xie, Sayipjamal Dulat, Jon Pumplin, and C.-P. Yuan
Reconstruction of Monte Carlo replicas from Hessian parton distributions
21 pages, 10 figures; final JHEP version, extended Sec. 2 to discuss sampling of asymmetric PDF replica distributions with imposed positivity constraints
null
10.1007/JHEP03(2017)099
SMU-HEP-16-06
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We explore connections between two common methods for quantifying the uncertainty in parton distribution functions (PDFs), based on the Hessian error matrix and Monte-Carlo sampling. CT14 parton distributions in the Hessian representation are converted into Monte-Carlo replicas by a numerical method that reproduces i...
[ { "created": "Wed, 20 Jul 2016 19:20:59 GMT", "version": "v1" }, { "created": "Wed, 8 Mar 2017 02:17:52 GMT", "version": "v2" } ]
2017-04-05
[ [ "Hou", "Tie-Jiun", "" ], [ "Gao", "Jun", "" ], [ "Huston", "Joey", "" ], [ "Nadolsky", "Pavel", "" ], [ "Schmidt", "Carl", "" ], [ "Stump", "Daniel", "" ], [ "Wang", "Bo-Ting", "" ], [ "Xie", "K...
We explore connections between two common methods for quantifying the uncertainty in parton distribution functions (PDFs), based on the Hessian error matrix and Monte-Carlo sampling. CT14 parton distributions in the Hessian representation are converted into Monte-Carlo replicas by a numerical method that reproduces imp...
hep-ph/0311226
M. N. Rebelo
M. N. Rebelo
Neutrino Data, CP violation and Cosmological Implications
Invited talk at 4th International Conference on Physics Beyond the Standard Model: Beyond the Desert (BEYOND 03), Castle Ringberg, Tegernsee, Germany, 9-14 Jun 2003. 10 pages. No figures
null
null
null
hep-ph
null
Recent experimental data provides evidence for neutrino masses and leads to the possibility of leptonic mixing and CP violation. In this work special attention is dedicated to CP violation in the leptonic sector both at low and at high energies in the framework of seesaw with only three righthanded neutrinos added to...
[ { "created": "Tue, 18 Nov 2003 18:30:38 GMT", "version": "v1" } ]
2007-05-23
[ [ "Rebelo", "M. N.", "" ] ]
Recent experimental data provides evidence for neutrino masses and leads to the possibility of leptonic mixing and CP violation. In this work special attention is dedicated to CP violation in the leptonic sector both at low and at high energies in the framework of seesaw with only three righthanded neutrinos added to t...
1210.4553
Mart\'in Gonz\'alez-Alonso
Vincenzo Cirigliano, Mart\'in Gonz\'alez-Alonso and Michael L. Graesser
Non-standard Charged Current Interactions: beta decays versus the LHC
18 pages, 2 figures
null
10.1007/JHEP02(2013)046
LA-UR-12-24810; NPAC-12-14
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss low-energy and collider constraints on the effective couplings characterizing non-standard charged current interactions. A direct comparison of low-energy and LHC probes can be performed within an effective theory framework, when the new physics mediating these interactions originates in the multi-TeV scal...
[ { "created": "Tue, 16 Oct 2012 20:00:04 GMT", "version": "v1" } ]
2015-06-11
[ [ "Cirigliano", "Vincenzo", "" ], [ "González-Alonso", "Martín", "" ], [ "Graesser", "Michael L.", "" ] ]
We discuss low-energy and collider constraints on the effective couplings characterizing non-standard charged current interactions. A direct comparison of low-energy and LHC probes can be performed within an effective theory framework, when the new physics mediating these interactions originates in the multi-TeV scale....
1509.06172
Manfred Kraus
Manfred Kraus
pp -> ttj + X matched to the Nagy-Soper parton shower at NLO QCD
8 pages, 4 figures, To appear in the proceedings of the European Physical Society Conference on High Energy Physics 2015 (EPS-HEP 2015), Vienna, Austria, 22nd to 29th of July 2015, added citations
null
null
TTK-15-21
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We briefly summarize the Nagy-Soper parton shower and the MC@NLO-like matching scheme. Results obtained using HELAC-NLO framework in conjunction with DEDUCTOR for top quark pair production in association with one hard jet at the LHC are presented. A comparison of our results with other matching schemes and other part...
[ { "created": "Mon, 21 Sep 2015 10:12:43 GMT", "version": "v1" }, { "created": "Thu, 8 Oct 2015 14:39:15 GMT", "version": "v2" } ]
2015-10-09
[ [ "Kraus", "Manfred", "" ] ]
We briefly summarize the Nagy-Soper parton shower and the MC@NLO-like matching scheme. Results obtained using HELAC-NLO framework in conjunction with DEDUCTOR for top quark pair production in association with one hard jet at the LHC are presented. A comparison of our results with other matching schemes and other parton...
hep-ph/9511226
Roberto Ugoccioni
R. Ugoccioni (Lund Univ.), A. Giovannini (Torino Univ. and INFN, Torino) and S. Lupia (Max-Planck-Inst. Muenchen)
Clan Structure in Rapidity Intervals
Talk presented by R. Ugoccioni at XXV Multiparticle Dynamics, Stara Lesna, Slovakia, Sept. 1995. LaTeX with epsfig, 11 pages, 3 figures. Postscript file available through http://www.thep.lu.se/tf2/hep/article.hep.html
null
null
LU TP 95-28, DFTT 65/95, MPI-PhT/95-106
hep-ph
null
We present a cascading model for a single jet, inspired to QCD and to the phenomenological analysis of multiplicity distributions. The model, describing as it does a two dimensional evolution in virtuality and rapidity, allows analytical predictions for clan analysis parameters to be made.
[ { "created": "Fri, 3 Nov 1995 14:18:52 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ugoccioni", "R.", "", "Lund Univ." ], [ "Giovannini", "A.", "", "Torino Univ. and INFN,\n Torino" ], [ "Lupia", "S.", "", "Max-Planck-Inst. Muenchen" ] ]
We present a cascading model for a single jet, inspired to QCD and to the phenomenological analysis of multiplicity distributions. The model, describing as it does a two dimensional evolution in virtuality and rapidity, allows analytical predictions for clan analysis parameters to be made.
2203.03925
Roni Harnik
John Arrington, Joshua Barrow, Brian Batell, Robert Bernstein, Nikita Blinov, S. J. Brice, Ray Culbertson, Patrick deNiverville, Vito Di Benedetto, Jeff Eldred, Angela Fava, Laura Fields, Alex Friedland, Andrei Gaponenko, Corrado Gatto, Stefania Gori, Roni Harnik, Richard J. Hill, Daniel M. Kaplan, Kevin J. Kel...
Physics Opportunities for the Fermilab Booster Replacement
Snowmass white paper
null
null
FERMILAB-FN-1145, LA-UR-22-21987
hep-ph hep-ex physics.acc-ph
http://creativecommons.org/publicdomain/zero/1.0/
This white paper presents opportunities afforded by the Fermilab Booster Replacement and its various options. Its goal is to inform the design process of the Booster Replacement about the accelerator needs of the various options, allowing the design to be versatile and enable, or leave the door open to, as many optio...
[ { "created": "Tue, 8 Mar 2022 08:44:35 GMT", "version": "v1" } ]
2022-03-09
[ [ "Arrington", "John", "" ], [ "Barrow", "Joshua", "" ], [ "Batell", "Brian", "" ], [ "Bernstein", "Robert", "" ], [ "Blinov", "Nikita", "" ], [ "Brice", "S. J.", "" ], [ "Culbertson", "Ray", "" ], [ ...
This white paper presents opportunities afforded by the Fermilab Booster Replacement and its various options. Its goal is to inform the design process of the Booster Replacement about the accelerator needs of the various options, allowing the design to be versatile and enable, or leave the door open to, as many options...
hep-ph/9910519
Michael E. Peskin
Michael E. Peskin
Pandora: an Object-Oriented Event Generator for Linear Collider Physics
6 pages, 1 figure, LaTeX
null
null
SLAC-PUB-8290
hep-ph
null
I describe an new event generator, pandora, which uses the C++ class structure to allow a modular treatment of beams and particle production and decay. (Talk presented at the 1999 International Workshop on Linear Colliders, Sitges, Barcelona, Spain.)
[ { "created": "Wed, 27 Oct 1999 19:18:08 GMT", "version": "v1" } ]
2007-05-23
[ [ "Peskin", "Michael E.", "" ] ]
I describe an new event generator, pandora, which uses the C++ class structure to allow a modular treatment of beams and particle production and decay. (Talk presented at the 1999 International Workshop on Linear Colliders, Sitges, Barcelona, Spain.)
hep-ph/9912503
A. A. Penin
J.H. Kuhn, A.A. Penin and V.A. Smirnov
Summing up Subleading Sudakov Logarithms
17 pages LaTeX, missprins corrected, references added
Eur.Phys.J.C17:97-105,2000
10.1007/s100520000462
preprint TTP/99-54, DESY/00-008
hep-ph
null
We apply the strategy of regions within dimensional regularization to find functions involved in evolution equations which govern the asymptotic dynamics of the Abelian form factor and four-fermion amplitude in the SU(N) gauge theory in the Sudakov limit up to the next-to-leading logarithmic approximation. The result...
[ { "created": "Fri, 24 Dec 1999 14:58:27 GMT", "version": "v1" }, { "created": "Thu, 20 Jan 2000 10:32:56 GMT", "version": "v2" } ]
2011-09-13
[ [ "Kuhn", "J. H.", "" ], [ "Penin", "A. A.", "" ], [ "Smirnov", "V. A.", "" ] ]
We apply the strategy of regions within dimensional regularization to find functions involved in evolution equations which govern the asymptotic dynamics of the Abelian form factor and four-fermion amplitude in the SU(N) gauge theory in the Sudakov limit up to the next-to-leading logarithmic approximation. The results ...
1207.0353
A. Cooper-Sarkar
Amanda Cooper-Sarkar, Pedro Jimenez-Delgado, Ringail\.e Pla\v{c}akyt\.e
Summary of the Structure Functions Working group at DIS 2012
12 pages, 9 figures, to be published in the Proceedings of the XX International Workshop on Deep Inelastic Scattering, University of Bonn, 26-30th March 2012
null
null
JLAB-THY-12-1589
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A summary of the recent experimental, phenomenological and theoretical results presented in the Structure Functions working group at DIS2012 workshop.
[ { "created": "Mon, 2 Jul 2012 12:05:56 GMT", "version": "v1" } ]
2012-07-03
[ [ "Cooper-Sarkar", "Amanda", "" ], [ "Jimenez-Delgado", "Pedro", "" ], [ "Plačakytė", "Ringailė", "" ] ]
A summary of the recent experimental, phenomenological and theoretical results presented in the Structure Functions working group at DIS2012 workshop.
hep-ph/0110004
George Sterman
Carola F. Berger, Tibor Kucs and George Sterman (Stony Brook)
Energy Flow in Interjet Radiation
26 pages, 8 eps figures. Revised to include a discussion of non-global logarithms
Phys.Rev.D65:094031,2002
10.1103/PhysRevD.65.094031
YITP-SB-01-35
hep-ph
null
We study the distribution of transverse energy, Q_Omega, radiated into an arbitrary interjet angular region, Omega, in high-p_T two-jet events. Using an approximation that emphasizes radiation directly from the partons that undergo the hard scattering, we find a distribution that can be extrapolated smoothly to Q_Ome...
[ { "created": "Fri, 28 Sep 2001 21:41:00 GMT", "version": "v1" }, { "created": "Tue, 5 Mar 2002 15:58:42 GMT", "version": "v2" } ]
2014-11-17
[ [ "Berger", "Carola F.", "", "Stony Brook" ], [ "Kucs", "Tibor", "", "Stony Brook" ], [ "Sterman", "George", "", "Stony Brook" ] ]
We study the distribution of transverse energy, Q_Omega, radiated into an arbitrary interjet angular region, Omega, in high-p_T two-jet events. Using an approximation that emphasizes radiation directly from the partons that undergo the hard scattering, we find a distribution that can be extrapolated smoothly to Q_Omega...
hep-ph/0301196
Xin-Nian Wang
Xin-Nian Wang
Probe Initial Parton Density and Formation Time via Jet Quenching
4 pages, 2 figures, talk at Quark Matter 2002, 16th International Conference on Ultrarelativistic Nucleus-nucleus Collisions, Nantes, July 18-24, 2002
Nucl.Phys.A715:775-778,2003
10.1016/S0375-9474(02)01486-0
LBNL-52063
hep-ph nucl-th
null
Medium modification of jet fragmentation function due to multiple scattering and induced gluon radiation leads directly to jet quenching or suppression of leading particle distribution from jet fragmentation. One can extract an effective total parton energy loss which can be related to the total transverse momentum b...
[ { "created": "Wed, 22 Jan 2003 19:08:59 GMT", "version": "v1" } ]
2014-11-17
[ [ "Wang", "Xin-Nian", "" ] ]
Medium modification of jet fragmentation function due to multiple scattering and induced gluon radiation leads directly to jet quenching or suppression of leading particle distribution from jet fragmentation. One can extract an effective total parton energy loss which can be related to the total transverse momentum bro...
1204.0468
Natascia Vignaroli
Natascia Vignaroli
Discovering the composite Higgs through the decay of a heavy fermion
25 pp. v2: Minor changes. v3: Version accepted for publication in JHEP. v4: typos fixed
Journal of High Energy Physics, Volume 2012, Number 7 (2012), 158
10.1007/JHEP07(2012)158
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A possible composite nature of the Higgs could be revealed at the early stage of the LHC, by analyzing the channels where the Higgs is produced from the decay of a heavy fermion. The Higgs production from a singly-produced heavy bottom, in particular, proves to be a promising channel. For a value \lambda=3 of the Hig...
[ { "created": "Mon, 2 Apr 2012 17:04:51 GMT", "version": "v1" }, { "created": "Fri, 13 Apr 2012 17:37:38 GMT", "version": "v2" }, { "created": "Sun, 22 Jul 2012 17:10:44 GMT", "version": "v3" }, { "created": "Sat, 11 Oct 2014 15:36:12 GMT", "version": "v4" } ]
2014-10-14
[ [ "Vignaroli", "Natascia", "" ] ]
A possible composite nature of the Higgs could be revealed at the early stage of the LHC, by analyzing the channels where the Higgs is produced from the decay of a heavy fermion. The Higgs production from a singly-produced heavy bottom, in particular, proves to be a promising channel. For a value \lambda=3 of the Higgs...
0708.3659
Guillaume Beuf
Guillaume Beuf
Asymptotics of QCD traveling waves with fluctuations and running coupling effects
14 pages, 3 figures, improved discussion of the phenomenological applications
Nucl.Phys.A810:142-158,2008
10.1016/j.nuclphysa.2008.07.001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Extending independently the Balitsky-Kovchegov (BK) equation to running coupling or to fluctuation effects due to Pomeron loops is known to lead in both cases to qualitative changes of the traveling-wave asymptotic solutions. In this paper we study the extension of the forward BK equation, including both running coup...
[ { "created": "Mon, 27 Aug 2007 17:57:00 GMT", "version": "v1" }, { "created": "Mon, 5 Nov 2007 17:20:58 GMT", "version": "v2" }, { "created": "Wed, 27 Aug 2008 16:24:23 GMT", "version": "v3" } ]
2008-11-26
[ [ "Beuf", "Guillaume", "" ] ]
Extending independently the Balitsky-Kovchegov (BK) equation to running coupling or to fluctuation effects due to Pomeron loops is known to lead in both cases to qualitative changes of the traveling-wave asymptotic solutions. In this paper we study the extension of the forward BK equation, including both running coupli...
hep-ph/0402169
Ramazan Sever
Kerem Cankocak, Aytekin Aydemir and Ramazan Sever
The effect of supersymmetric CP phases on Chargino-Pair Production via Drell-Yan Process at the LHC
24 pages, 7 figures
Phys.Rev.D69:075010,2004
10.1103/PhysRevD.69.075010
null
hep-ph
null
We compute the rates for pp annihilation into chargino-pairs via Drell-Yan process taking into account the effects of supersymmetric soft phases, at proton-proton collider. In particular, the phase of the mu parameter gains direct accessibility via the production of dissimilar charginos. The phases of the trilinear s...
[ { "created": "Tue, 17 Feb 2004 12:25:23 GMT", "version": "v1" }, { "created": "Tue, 30 Mar 2004 05:38:00 GMT", "version": "v2" } ]
2008-11-26
[ [ "Cankocak", "Kerem", "" ], [ "Aydemir", "Aytekin", "" ], [ "Sever", "Ramazan", "" ] ]
We compute the rates for pp annihilation into chargino-pairs via Drell-Yan process taking into account the effects of supersymmetric soft phases, at proton-proton collider. In particular, the phase of the mu parameter gains direct accessibility via the production of dissimilar charginos. The phases of the trilinear sof...
0812.3031
Irene Tamborra
Gianluigi Fogli, Eligio Lisi, Antonio Marrone, Irene Tamborra (U. of Bari & INFN, Bari)
Supernova neutrino three-flavor evolution with dominant collective effects
22 pages, including 9 figures (1 section with 3 figures added). Accepted for publication in JCAP
JCAP 0904:030,2009
10.1088/1475-7516/2009/04/030
null
hep-ph astro-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Neutrino and antineutrino fluxes from a core-collapse galactic supernova are studied, within a representative three-flavor scenario with inverted mass hierarchy and tiny 1-3 mixing. The initial flavor evolution is dominated by collective self-interaction effects, which are computed in a full three-family framework al...
[ { "created": "Tue, 16 Dec 2008 11:25:28 GMT", "version": "v1" }, { "created": "Tue, 28 Apr 2009 13:34:21 GMT", "version": "v2" } ]
2010-04-23
[ [ "Fogli", "Gianluigi", "", "U. of\n Bari & INFN, Bari" ], [ "Lisi", "Eligio", "", "U. of\n Bari & INFN, Bari" ], [ "Marrone", "Antonio", "", "U. of\n Bari & INFN, Bari" ], [ "Tamborra", "Irene", "", "U. of\n Bari & INFN, Bari" ] ]
Neutrino and antineutrino fluxes from a core-collapse galactic supernova are studied, within a representative three-flavor scenario with inverted mass hierarchy and tiny 1-3 mixing. The initial flavor evolution is dominated by collective self-interaction effects, which are computed in a full three-family framework alon...
2012.12514
Paolo Castorina
P.Castorina, A.Iorio, D.Lanteri, H.Satz and M.Spousta
Universality in High Energy Collisions of small and large systems
40th International Conference on High Energy physics - ICHEP2020 July 28 - August 6, 2020 Prague, Czech Republic (virtual meeting)
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Strangeness enhancement and collective flow are considered signatures of the quark gluon plasma formation. These phenomena have been detected not only in relativistic heavy ion collisions but also in high energy, high multiplicity events of proton-proton and proton-nucleus (small systems) scatterings. A universal beh...
[ { "created": "Wed, 23 Dec 2020 07:01:27 GMT", "version": "v1" } ]
2020-12-24
[ [ "Castorina", "P.", "" ], [ "Iorio", "A.", "" ], [ "Lanteri", "D.", "" ], [ "Satz", "H.", "" ], [ "Spousta", "M.", "" ] ]
Strangeness enhancement and collective flow are considered signatures of the quark gluon plasma formation. These phenomena have been detected not only in relativistic heavy ion collisions but also in high energy, high multiplicity events of proton-proton and proton-nucleus (small systems) scatterings. A universal behav...
1912.09038
Y.H Ahn
Y. H. Ahn and Xiaojun Bi
QCD axion and Neutrino induced by Hidden flavor structure
53 pages, 6 figures, predictions are corrected
null
10.1016/j.nuclphysb.2020.115210
null
hep-ph astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the reasonable requirements of two anomalous $U(1)$s in a flavored-axion framework for the anomaly cancellations of both $U(1)$-mixed gravity and $U(1)_Y\times[U(1)]^2$ which in turn determine the $U(1)_Y$ charges where $U(1)_Y$ is the hypercharge gauge symmetry of the standard model. We argue that, with a f...
[ { "created": "Thu, 19 Dec 2019 07:01:54 GMT", "version": "v1" }, { "created": "Thu, 3 Sep 2020 03:23:27 GMT", "version": "v2" } ]
2020-10-28
[ [ "Ahn", "Y. H.", "" ], [ "Bi", "Xiaojun", "" ] ]
We study the reasonable requirements of two anomalous $U(1)$s in a flavored-axion framework for the anomaly cancellations of both $U(1)$-mixed gravity and $U(1)_Y\times[U(1)]^2$ which in turn determine the $U(1)_Y$ charges where $U(1)_Y$ is the hypercharge gauge symmetry of the standard model. We argue that, with a fla...
hep-ph/0610095
Lorenzo Salcedo L.
E. Megias, E. Ruiz Arriola and L.L. Salcedo
The Quantum and Local Polyakov loop in Chiral Quark Models at Finite Temperature
4 pages, 2 figures. Contribution to the Proceedings of the Quark Confinement and the Hadron Spectrum VII Conference (QCHS7) Ponta Delgada (Portugal) Sept 2-7, 2006
AIPConf.Proc.892:444-447,2007
10.1063/1.2714438
null
hep-ph
null
We describe results for the confinement-deconfinement phase transition as predicted by the Nambu--Jona-Lasinio model where the local and quantum Polyakov loop is coupled to the constituent quarks in a minimal way (PNJL). We observe that the leading correlation of two Polyakov loops describes the chiral transition acc...
[ { "created": "Mon, 9 Oct 2006 15:39:08 GMT", "version": "v1" } ]
2008-11-26
[ [ "Megias", "E.", "" ], [ "Arriola", "E. Ruiz", "" ], [ "Salcedo", "L. L.", "" ] ]
We describe results for the confinement-deconfinement phase transition as predicted by the Nambu--Jona-Lasinio model where the local and quantum Polyakov loop is coupled to the constituent quarks in a minimal way (PNJL). We observe that the leading correlation of two Polyakov loops describes the chiral transition accur...
2402.06105
Sa\'ul Hern\'andez-Ort\'iz Ph.D
Sa\'ul Hern\'andez-Ortiz and Ricardo Mart\'inez von Dossow and Alfredo Raya
Constraining the position of the CEP through the Speed of Sound in the LSMq
5 pages, 4 figures, Letter
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the chiral phase transition within the Linear Sigma Model with quarks from its thermodynamical potential considering quantum corrections up to ring diagrams in the high-temperature regime. Demanding a second order phase transition as expected in the chiral limit at low baryon chemical potential, that the cur...
[ { "created": "Thu, 8 Feb 2024 23:44:18 GMT", "version": "v1" }, { "created": "Tue, 5 Mar 2024 18:36:09 GMT", "version": "v2" }, { "created": "Tue, 28 May 2024 00:35:37 GMT", "version": "v3" } ]
2024-05-29
[ [ "Hernández-Ortiz", "Saúl", "" ], [ "von Dossow", "Ricardo Martínez", "" ], [ "Raya", "Alfredo", "" ] ]
We study the chiral phase transition within the Linear Sigma Model with quarks from its thermodynamical potential considering quantum corrections up to ring diagrams in the high-temperature regime. Demanding a second order phase transition as expected in the chiral limit at low baryon chemical potential, that the curva...
1111.0785
Paolo Walter Cattaneo
Paolo Walter Cattaneo
Testing the Special Relativity Theory with Neutrino interactions
3 pages, 3 figures, 1 table Accepted by EPL (Europhysics Letters)
EuroPhysics Letters 99, (2012) 51001
10.1209/0295-5075/99/51001
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A recent measurement of neutrino velocity by the OPERA experiment and prediction of energy loss of superluminal neutrino via the pair creation process $\nu\to \nu e^+e^-$ stimulated a search of isolated $e^+e^-$ pairs in detectors with good tracking capability traversed by a large flux of high energy neutrino like NO...
[ { "created": "Thu, 3 Nov 2011 10:54:20 GMT", "version": "v1" }, { "created": "Mon, 27 Aug 2012 19:17:36 GMT", "version": "v2" } ]
2013-03-13
[ [ "Cattaneo", "Paolo Walter", "" ] ]
A recent measurement of neutrino velocity by the OPERA experiment and prediction of energy loss of superluminal neutrino via the pair creation process $\nu\to \nu e^+e^-$ stimulated a search of isolated $e^+e^-$ pairs in detectors with good tracking capability traversed by a large flux of high energy neutrino like NOMA...
hep-ph/9610269
null
J. Bijnens and P. Talavera
$\pi \to l\nu \gamma$ Form Factors at Two-loop
Added cut-off dependence discusion, misprints corrected
Nucl.Phys. B489 (1997) 387-404
10.1016/S0550-3213(97)00069-2
NORDITA-96/69 N,P
hep-ph
null
Within Chiral Perturbation Theory (CHPT) we compute the form factors A, V and $\gamma = A/V$ in the $\pi \to \nu l \gamma$ decay to $O(p^6)$. A and $\gamma$ obtain corrections of order 25%.
[ { "created": "Mon, 7 Oct 1996 15:27:46 GMT", "version": "v1" }, { "created": "Tue, 28 Jan 1997 08:53:54 GMT", "version": "v2" } ]
2016-09-06
[ [ "Bijnens", "J.", "" ], [ "Talavera", "P.", "" ] ]
Within Chiral Perturbation Theory (CHPT) we compute the form factors A, V and $\gamma = A/V$ in the $\pi \to \nu l \gamma$ decay to $O(p^6)$. A and $\gamma$ obtain corrections of order 25%.
2004.03843
Boris Mangazeev
Edgar V. Bugaev and Boris V. Mangazeev
Nuclear shadowing in deep inelastic scattering on nuclei at very small x
12 pages, 8 figures
Phys. Rev. D 102, 036021 (2020)
10.1103/PhysRevD.102.036021
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Nuclear shadowing corrections to the structure functions of deep inelastic scattering on intermediate-mass nuclei are calculated at very small values of Bjorken x and small values of Q^2 (Q^2<5 Gev^2). The two-component approach developed in previous works of authors for a description of the nucleon structure functio...
[ { "created": "Wed, 8 Apr 2020 07:01:23 GMT", "version": "v1" } ]
2020-09-02
[ [ "Bugaev", "Edgar V.", "" ], [ "Mangazeev", "Boris V.", "" ] ]
Nuclear shadowing corrections to the structure functions of deep inelastic scattering on intermediate-mass nuclei are calculated at very small values of Bjorken x and small values of Q^2 (Q^2<5 Gev^2). The two-component approach developed in previous works of authors for a description of the nucleon structure functions...
1004.2591
Olena Linnyk
O. Linnyk
Dilepton production by dynamical quasiparticles in the strongly interacting quark gluon plasma
RevTex style, 16 pages, 16 figures
J.Phys.G38:025105,2011
10.1088/0954-3899/38/2/025105
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The dilepton production by the constituents of the strongly interacting quark-gluon-plasma (sQGP) is addressed. In order to make quantitative predictions at realistically low plasma temperatures (O(T_c)), experimentally relevant low dilepton mass (O(1 GeV)) and strong coupling (alphaS=0.5-1), we take into account not...
[ { "created": "Thu, 15 Apr 2010 09:50:56 GMT", "version": "v1" } ]
2011-01-17
[ [ "Linnyk", "O.", "" ] ]
The dilepton production by the constituents of the strongly interacting quark-gluon-plasma (sQGP) is addressed. In order to make quantitative predictions at realistically low plasma temperatures (O(T_c)), experimentally relevant low dilepton mass (O(1 GeV)) and strong coupling (alphaS=0.5-1), we take into account not o...
1308.5731
Kosuke Odagiri
K. Odagiri and T. Yanagisawa
Soft confinement in a 3-d spin system
8 pages, uses axodraw.sty; the final publication is available at link.springer.com
EPJ C73:2525 (2013)
10.1140/epjc/s10052-013-2525-4
null
hep-ph cond-mat.str-el
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a 1+3 dimensional spin system. The spin-wave (magnon) field is described by the O(3) non-linear sigma model with a symmetry-breaking potential. This interacts with a slow spin SU(2) doublet Schrodinger fermion. The interaction is described by a generalized nonperturbative Yukawa coupling, and the self-con...
[ { "created": "Tue, 27 Aug 2013 01:16:35 GMT", "version": "v1" } ]
2013-08-28
[ [ "Odagiri", "K.", "" ], [ "Yanagisawa", "T.", "" ] ]
We consider a 1+3 dimensional spin system. The spin-wave (magnon) field is described by the O(3) non-linear sigma model with a symmetry-breaking potential. This interacts with a slow spin SU(2) doublet Schrodinger fermion. The interaction is described by a generalized nonperturbative Yukawa coupling, and the self-consi...
hep-ph/9907213
Kaladi Babu
K.S. Babu and S. Nandi (Oklahoma State University)
Natural fermion mass hierarchy and new signals for the Higgs boson
10 pages in RevTeX
Phys.Rev.D62:033002,2000
10.1103/PhysRevD.62.033002
OSU-HEP-99-07
hep-ph
null
We suggest a novel approach towards resolving the fermion mass hierarchy problem within the framework of the Standard Model. It is shown that the observed masses and mixings can be explained with order one couplings using successive higher dimensional operators involving the SM Higgs doublet field. This scenario pred...
[ { "created": "Thu, 1 Jul 1999 23:59:19 GMT", "version": "v1" } ]
2008-11-26
[ [ "Babu", "K. S.", "", "Oklahoma State University" ], [ "Nandi", "S.", "", "Oklahoma State University" ] ]
We suggest a novel approach towards resolving the fermion mass hierarchy problem within the framework of the Standard Model. It is shown that the observed masses and mixings can be explained with order one couplings using successive higher dimensional operators involving the SM Higgs doublet field. This scenario predic...
2111.04283
Chungku Kim
Chungku Kim
Gauge Parameter Independence of the Higgs Pole Mass in the Multi-Higgs model
null
Journal of the Kor. Phys. Soc, Vol.77, No.1, 6 - 9 pges, 2020
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
e have investigated the gauge parameter dependence of the Higgs pole masses in the multi-Higgs model in two different types of the gauge fixing conditions. It turns out that the Higgs pole masses of the multi-Higgs model when expressed in terms of the Lagrangian parameters, are independent of the gauge parameter for ...
[ { "created": "Mon, 8 Nov 2021 05:57:20 GMT", "version": "v1" } ]
2021-11-09
[ [ "Kim", "Chungku", "" ] ]
e have investigated the gauge parameter dependence of the Higgs pole masses in the multi-Higgs model in two different types of the gauge fixing conditions. It turns out that the Higgs pole masses of the multi-Higgs model when expressed in terms of the Lagrangian parameters, are independent of the gauge parameter for bo...
hep-ph/9910553
Pran Nath
Tarek Ibrahim and Pran Nath
Large CP Phases and the Cancellation Mechanism in EDMs in SUSY, String and Brane Models
Minor changes in text. This version to appear in Physical Review D. 18 pages, 9 figs
Phys.Rev.D61:093004,2000
10.1103/PhysRevD.61.093004
null
hep-ph hep-th
null
We show that EDMs obey a simple approximate scaling under the transformation $m_0\to \lambda m_0,m_{{1/2}}\to \lambda m_{{1/2}}$ in the large $\mu$ region when $\mu$ itself obeys the same scaling, ie., $\mu \to \lambda \mu$. In the scaling region the knowledge of a single point in the MSSM parameter space where the c...
[ { "created": "Sat, 30 Oct 1999 01:37:27 GMT", "version": "v1" }, { "created": "Sun, 23 Jan 2000 00:04:16 GMT", "version": "v2" } ]
2014-11-17
[ [ "Ibrahim", "Tarek", "" ], [ "Nath", "Pran", "" ] ]
We show that EDMs obey a simple approximate scaling under the transformation $m_0\to \lambda m_0,m_{{1/2}}\to \lambda m_{{1/2}}$ in the large $\mu$ region when $\mu$ itself obeys the same scaling, ie., $\mu \to \lambda \mu$. In the scaling region the knowledge of a single point in the MSSM parameter space where the can...
0810.2718
York Schroder
Y. Schroder (Bielefeld U.)
Chasing electric flux in hot QCD
4 pages; to appear in the Proceedings of SEWM08, Amsterdam, the Netherlands, August 26-29, 2008
Nucl.Phys.A820:163-166,2009
10.1016/j.nuclphysa.2009.01.040
BI-TP-2008-27
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this talk, I present the status of attempts to analyze the behavior of the so-called spatial 't Hooft loop, which can be taken as an order parameter for the deconfinement phase transition in pure SU(N) gauge theory. While lattice data show a strikingly universal scaling of extracted k-string tensions for various v...
[ { "created": "Wed, 15 Oct 2008 15:17:45 GMT", "version": "v1" } ]
2009-11-13
[ [ "Schroder", "Y.", "", "Bielefeld U." ] ]
In this talk, I present the status of attempts to analyze the behavior of the so-called spatial 't Hooft loop, which can be taken as an order parameter for the deconfinement phase transition in pure SU(N) gauge theory. While lattice data show a strikingly universal scaling of extracted k-string tensions for various val...
1412.3764
Koji Ishiwata
Wilfried Buchmuller, Koji Ishiwata
Grand Unification and Subcritical Hybrid Inflation
5 pages, 3 figures, published version, a few typos are corrected
Phys. Rev. D 91, 081302 (2015)
10.1103/PhysRevD.91.081302
DESY 14-237
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider hybrid inflation for small couplings of the inflaton to matter such that the critical value of the inflaton field exceeds the Planck mass. It has recently been shown that inflation then continues at subcritical inflaton field values where quantum fluctuations generate an effective inflaton mass. The effec...
[ { "created": "Thu, 11 Dec 2014 18:58:16 GMT", "version": "v1" }, { "created": "Fri, 10 Apr 2015 11:57:46 GMT", "version": "v2" } ]
2015-04-16
[ [ "Buchmuller", "Wilfried", "" ], [ "Ishiwata", "Koji", "" ] ]
We consider hybrid inflation for small couplings of the inflaton to matter such that the critical value of the inflaton field exceeds the Planck mass. It has recently been shown that inflation then continues at subcritical inflaton field values where quantum fluctuations generate an effective inflaton mass. The effecti...
2105.08703
Andr\'es E. Renter\'ia-Olivo
Selomit Ram\'irez-Uribe, Andr\'es E. Renter\'ia-Olivo, Germ\'an Rodrigo, German F. R. Sborlini, Luiz Vale Silva
Quantum algorithm for Feynman loop integrals
28 pages, 15 figures, 2 tables
null
10.1007/JHEP05(2022)100
IFIC/21-15, DESY 21-067
hep-ph hep-th quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a novel benchmark application of a quantum algorithm to Feynman loop integrals. The two on-shell states of a Feynman propagator are identified with the two states of a qubit and a quantum algorithm is used to unfold the causal singular configurations of multiloop Feynman diagrams. To identify such configur...
[ { "created": "Tue, 18 May 2021 17:41:56 GMT", "version": "v1" }, { "created": "Fri, 29 Oct 2021 15:23:56 GMT", "version": "v2" }, { "created": "Tue, 17 May 2022 10:54:20 GMT", "version": "v3" } ]
2022-06-01
[ [ "Ramírez-Uribe", "Selomit", "" ], [ "Rentería-Olivo", "Andrés E.", "" ], [ "Rodrigo", "Germán", "" ], [ "Sborlini", "German F. R.", "" ], [ "Silva", "Luiz Vale", "" ] ]
We present a novel benchmark application of a quantum algorithm to Feynman loop integrals. The two on-shell states of a Feynman propagator are identified with the two states of a qubit and a quantum algorithm is used to unfold the causal singular configurations of multiloop Feynman diagrams. To identify such configurat...
0909.3334
Ian Shoemaker
Ian M. Shoemaker, Alexander Kusenko
Gravitino dark matter from Q-ball decays
5 pages, 1 figure
Phys.Rev.D80:075021,2009
10.1103/PhysRevD.80.075021
UCLA/09/TEP/56
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Affleck-Dine baryogenesis, accompanied by the formation and subsequent decay of Q-balls, can generate both the baryon asymmetry of the universe and dark matter in the form of gravitinos. The gravitinos from Q-ball decay dominate over the thermally produced population if the reheat temperature is less than 10^7 GeV. W...
[ { "created": "Thu, 17 Sep 2009 22:34:38 GMT", "version": "v1" } ]
2010-10-27
[ [ "Shoemaker", "Ian M.", "" ], [ "Kusenko", "Alexander", "" ] ]
Affleck-Dine baryogenesis, accompanied by the formation and subsequent decay of Q-balls, can generate both the baryon asymmetry of the universe and dark matter in the form of gravitinos. The gravitinos from Q-ball decay dominate over the thermally produced population if the reheat temperature is less than 10^7 GeV. We ...
2108.00017
Zachary Polonsky
Joachim Brod, Sandra Kvedarait\.e, and Zachary Polonsky
Two-loop Electroweak Corrections to the Top-Quark Contribution to $\epsilon_K$
26 pages, 6 figures
JHEP 12 (2021) 198
10.1007/JHEP12(2021)198
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The parameter $\epsilon_K$ measures $CP$ violation in the neutral kaon system. It is a sensitive probe of new physics and plays a prominent role in the global fit of the Cabibbo-Kobabyashi-Maskawa matrix. The perturbative theory uncertainty is currently dominated by the top-quark contribution. Here, we present the ca...
[ { "created": "Fri, 30 Jul 2021 18:00:03 GMT", "version": "v1" } ]
2022-01-05
[ [ "Brod", "Joachim", "" ], [ "Kvedaraitė", "Sandra", "" ], [ "Polonsky", "Zachary", "" ] ]
The parameter $\epsilon_K$ measures $CP$ violation in the neutral kaon system. It is a sensitive probe of new physics and plays a prominent role in the global fit of the Cabibbo-Kobabyashi-Maskawa matrix. The perturbative theory uncertainty is currently dominated by the top-quark contribution. Here, we present the calc...
2402.13730
Stefano Rigolin
Luca Di Luzio, Alfredo Walter Mario Guerrera, Xavier Ponce D\'iaz and Stefano Rigolin
Radiative Quarkonium decays into an Invisible ALP
57th Rencontres de Moriond on Electroweak Interactions and Unified Theories (Moriond EW 2023)
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this talk the ALP production from radiative quarkonium decays is presented. To this purpose, the relevant cross-section is computed from a $d=5$ effective Lagrangian containing simultaneous ALP couplings to $b(c)$-quarks and photons. The interplay between resonant and non-resonant contributions is shown to be rele...
[ { "created": "Wed, 21 Feb 2024 11:46:34 GMT", "version": "v1" }, { "created": "Thu, 22 Feb 2024 08:50:39 GMT", "version": "v2" } ]
2024-02-23
[ [ "Di Luzio", "Luca", "" ], [ "Guerrera", "Alfredo Walter Mario", "" ], [ "Díaz", "Xavier Ponce", "" ], [ "Rigolin", "Stefano", "" ] ]
In this talk the ALP production from radiative quarkonium decays is presented. To this purpose, the relevant cross-section is computed from a $d=5$ effective Lagrangian containing simultaneous ALP couplings to $b(c)$-quarks and photons. The interplay between resonant and non-resonant contributions is shown to be releva...
1207.2389
Peter Zeiler Skands
Peter Skands
Introduction to QCD
Lecture notes from a course given at TASI 2012. Last update: July 2017. 85 pages, including index at the back. arXiv admin note: text overlap with arXiv:1104.2863
null
10.1142/9789814525220_0008
CERN-PH-TH-2012-196
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
These lectures were originally given at TASI and are directed at a level suitable for graduate students in High Energy Physics. They are intended to give an introduction to the theory and phenomenology of quantum chromodynamics (QCD), focusing on collider physics applications. The aim is to bring the reader to a leve...
[ { "created": "Tue, 10 Jul 2012 15:27:30 GMT", "version": "v1" }, { "created": "Tue, 4 Mar 2014 13:24:21 GMT", "version": "v2" }, { "created": "Wed, 5 Nov 2014 01:47:50 GMT", "version": "v3" }, { "created": "Wed, 14 Jan 2015 05:23:39 GMT", "version": "v4" }, { "cre...
2017-08-23
[ [ "Skands", "Peter", "" ] ]
These lectures were originally given at TASI and are directed at a level suitable for graduate students in High Energy Physics. They are intended to give an introduction to the theory and phenomenology of quantum chromodynamics (QCD), focusing on collider physics applications. The aim is to bring the reader to a level ...
2307.00740
Hyun-Chul Kim
Ho-Yeon Won, Hyun-Chul Kim, and June-Young Kim
Role of strange quarks in the $D$-term and cosmological constant term of the proton
6 pages, 2 figures
null
null
INHA-NTG-04/2023
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the mechanics of the proton by examining the flavor-decomposed proton cosmological constants and generalized vector form factors. The interplay of up, down, and strange quarks within the proton is explored, shedding light on its internal structure. The contributions of strange quarks play a crucial rol...
[ { "created": "Mon, 3 Jul 2023 04:04:32 GMT", "version": "v1" } ]
2023-07-04
[ [ "Won", "Ho-Yeon", "" ], [ "Kim", "Hyun-Chul", "" ], [ "Kim", "June-Young", "" ] ]
We investigate the mechanics of the proton by examining the flavor-decomposed proton cosmological constants and generalized vector form factors. The interplay of up, down, and strange quarks within the proton is explored, shedding light on its internal structure. The contributions of strange quarks play a crucial role ...
hep-ph/9812250
Oleg Tarasov
O.V. Tarasov
Reduction of Feynman graph amplitudes to a minimal set of basic integrals
11 pages, LaTeX, uses appb2.sty, Presented at the DESY Zeuthen Workshop on Elementary Particle Theory "Loops and Legs in Gauge Theories", Rheinsberg, Germany, April 19-24, 1998
Acta Phys.Polon.B29:2655,1998
null
null
hep-ph
null
An algorithm for the reduction of massive Feynman integrals with any number of loops and external momenta to a minimal set of basic integrals is proposed. The method is based on the new algorithm for evaluating tensor integrals, representation of generalized recurrence relations for a given kind of integrals as a lin...
[ { "created": "Fri, 4 Dec 1998 10:59:46 GMT", "version": "v1" } ]
2011-03-17
[ [ "Tarasov", "O. V.", "" ] ]
An algorithm for the reduction of massive Feynman integrals with any number of loops and external momenta to a minimal set of basic integrals is proposed. The method is based on the new algorithm for evaluating tensor integrals, representation of generalized recurrence relations for a given kind of integrals as a linea...
1205.2860
Vadim Shilin
V. Shilin, V. Pervushin
Hamiltonian anomalies of bound states in QED
12 pages, 2 figures. Proceedings of the conference "Symmetry Methods in Physics XV", July 12-16, 2011, Dubna, Russia
null
10.1134/S1063778813090172
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Bound State in QED is described in systematic way by means of nonlocal irreducible representations of the nonhomogeneous Poincare group and Dirac's method of quantization. As an example of application of this method we calculate triangle diagram $Para-Positronium \to \gamma\gamma$. We show that the Hamiltonian ap...
[ { "created": "Sun, 13 May 2012 13:48:51 GMT", "version": "v1" } ]
2015-06-05
[ [ "Shilin", "V.", "" ], [ "Pervushin", "V.", "" ] ]
The Bound State in QED is described in systematic way by means of nonlocal irreducible representations of the nonhomogeneous Poincare group and Dirac's method of quantization. As an example of application of this method we calculate triangle diagram $Para-Positronium \to \gamma\gamma$. We show that the Hamiltonian appr...