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1304.3497
Grigory Ovanesyan
Michael Fickinger, Grigory Ovanesyan, Ivan Vitev
Angular distributions of higher order splitting functions in the vacuum and in dense QCD matter
39 pages, 15 pdf figures
null
null
null
hep-ph nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the collinear splitting functions needed for next-to-next-to-leading order calculations of jet production in the vacuum and in dense QCD matter. These splitting functions describe the probability of a parton to evolve into three-parton final state and are generalizations of the traditional DGLAP splitting ke...
[ { "created": "Thu, 11 Apr 2013 21:48:05 GMT", "version": "v1" } ]
2013-04-15
[ [ "Fickinger", "Michael", "" ], [ "Ovanesyan", "Grigory", "" ], [ "Vitev", "Ivan", "" ] ]
We study the collinear splitting functions needed for next-to-next-to-leading order calculations of jet production in the vacuum and in dense QCD matter. These splitting functions describe the probability of a parton to evolve into three-parton final state and are generalizations of the traditional DGLAP splitting kern...
hep-ph/0112257
Y. Y. Keum
H.Y. Cheng, Y.-Y. Keum and K.-C. Yang
Angular distribution analysis of $B \to J/\psi K^{*}$ and resolving discrete ambiguities in the determination of $\phi_1$
6 pages, latex with ws-ijmpa.cls, no figures, Talk given at the 3rd Circum-Pan-Pacific Symposium on High Energy Spin Physics, Bejing, China, 8-13 Oct. 2001
Int.J.Mod.Phys.A18:1437-1442,2003
10.1142/S0217751X0301485X
null
hep-ph
null
We discuss the angular distribution analysis of $B\to J/\psi K^{*}$ decays and a way to resolve discrete ambiguites in the determination of the unitary triangle $\phi_1(=\beta)$. We study the status of factorization hypothesis in the color-suppressed B meson decays: $B\to J/\psi K^{(*)}$ within the general factorizat...
[ { "created": "Wed, 19 Dec 2001 14:15:49 GMT", "version": "v1" } ]
2010-11-23
[ [ "Cheng", "H. Y.", "" ], [ "Keum", "Y. -Y.", "" ], [ "Yang", "K. -C.", "" ] ]
We discuss the angular distribution analysis of $B\to J/\psi K^{*}$ decays and a way to resolve discrete ambiguites in the determination of the unitary triangle $\phi_1(=\beta)$. We study the status of factorization hypothesis in the color-suppressed B meson decays: $B\to J/\psi K^{(*)}$ within the general factorizatio...
hep-ph/0301085
Costas Strouthos
Costas G. Strouthos
Universality in fermionic field theories at finite temperature
5 pages, Contribution to Conference on Strong and Electroweak Matter (SEWM2002), Heidelberg, Germany, 2-5 Oct. 2002
null
10.1142/9789812704498_0061
SWAT/02/365
hep-ph hep-lat
null
We discuss the critical properties of the three-dimensional NJL model at nonzero temperature. We show that the Z(2)-symmetric model undergoes a second order phase transition with 2d Ising exponents and its critical region is suppressed by a factor 1/N^{-0.5}. We also provide numerical evidence that the U(1)-symmetric...
[ { "created": "Mon, 13 Jan 2003 21:36:33 GMT", "version": "v1" }, { "created": "Tue, 21 Jan 2003 21:42:05 GMT", "version": "v2" }, { "created": "Mon, 27 Jan 2003 19:40:47 GMT", "version": "v3" } ]
2017-08-23
[ [ "Strouthos", "Costas G.", "" ] ]
We discuss the critical properties of the three-dimensional NJL model at nonzero temperature. We show that the Z(2)-symmetric model undergoes a second order phase transition with 2d Ising exponents and its critical region is suppressed by a factor 1/N^{-0.5}. We also provide numerical evidence that the U(1)-symmetric m...
0803.3318
Kenji Fukushima
Kenji Fukushima
Phase diagrams in the three-flavor Nambu--Jona-Lasinio model with the Polyakov loop
17 pages, 18 figures, Figure 18 (effect of g_V) replaced as corrected in Erratum. No change in other results
Phys.Rev.D77:114028,2008; Erratum-ibid.D78:039902,2008
10.1103/PhysRevD.77.114028 10.1103/PhysRevD.78.039902
YITP-08-19
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present extensive studies on hot and dense quark matter with two light and one heavy flavors in the Nambu--Jona-Lasinio model with the Polyakov loop (so-called PNJL model). First we discuss prescription dependence in choosing the Polyakov loop effective potential and propose a simple and rather sensible ansatz. We...
[ { "created": "Sun, 23 Mar 2008 13:28:56 GMT", "version": "v1" }, { "created": "Tue, 15 Apr 2008 07:03:26 GMT", "version": "v2" }, { "created": "Sat, 26 Jul 2008 07:50:42 GMT", "version": "v3" } ]
2014-11-18
[ [ "Fukushima", "Kenji", "" ] ]
We present extensive studies on hot and dense quark matter with two light and one heavy flavors in the Nambu--Jona-Lasinio model with the Polyakov loop (so-called PNJL model). First we discuss prescription dependence in choosing the Polyakov loop effective potential and propose a simple and rather sensible ansatz. We l...
1512.06773
Jonathan Heckman
Jonathan J. Heckman
750 GeV Diphotons from a D3-brane
v3: 12 pages, 1 figure, clarifications added
null
10.1016/j.nuclphysb.2016.02.031
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by the recently reported diphoton excess at 750 GeV observed by both CMS and ATLAS, we study string-based particle physics models which can accommodate this signal. Quite remarkably, although Grand Unified Theories in F-theory tend to impose tight restrictions on candidate extra sectors, the case of a probe...
[ { "created": "Mon, 21 Dec 2015 19:08:25 GMT", "version": "v1" }, { "created": "Mon, 11 Jan 2016 00:28:31 GMT", "version": "v2" }, { "created": "Wed, 27 Apr 2016 15:32:37 GMT", "version": "v3" } ]
2016-04-28
[ [ "Heckman", "Jonathan J.", "" ] ]
Motivated by the recently reported diphoton excess at 750 GeV observed by both CMS and ATLAS, we study string-based particle physics models which can accommodate this signal. Quite remarkably, although Grand Unified Theories in F-theory tend to impose tight restrictions on candidate extra sectors, the case of a probe D...
hep-ph/0409071
Burkhard Kampfer
J. Cleymans, B. Kampfer, M. Kaneta, S. Wheaton, N. Xu
Centrality Dependence of Thermal Parameters Deduced from Hadron Multiplicities in Au + Au Collisions at sqrt{s_{NN}} = 130 GeV
null
Phys.Rev.C71:054901,2005
10.1103/PhysRevC.71.054901
null
hep-ph
null
We analyse the centrality dependence of thermal parameters deduced from hadron m ultiplicities in Au + Au collisions at $\sqrt{s_{NN}} = 130 GeV$. While the chemical freeze-out temperature and chemical potentials are found to be roughly centrality-independent, the strangeness saturation factor $\gamma_S$ increases wi...
[ { "created": "Tue, 7 Sep 2004 09:49:59 GMT", "version": "v1" } ]
2008-11-26
[ [ "Cleymans", "J.", "" ], [ "Kampfer", "B.", "" ], [ "Kaneta", "M.", "" ], [ "Wheaton", "S.", "" ], [ "Xu", "N.", "" ] ]
We analyse the centrality dependence of thermal parameters deduced from hadron m ultiplicities in Au + Au collisions at $\sqrt{s_{NN}} = 130 GeV$. While the chemical freeze-out temperature and chemical potentials are found to be roughly centrality-independent, the strangeness saturation factor $\gamma_S$ increases with...
1905.09127
Steffen Schumann
Enrico Bothmann, Gurpreet Singh Chahal, Stefan H\"oche, Johannes Krause, Frank Krauss, Silvan Kuttimalai, Sebastian Liebschner, Davide Napoletano, Marek Sch\"onherr, Holger Schulz, Steffen Schumann, Frank Siegert
Event Generation with Sherpa 2.2
39 pages, 18 figures, extended discussion
SciPost Phys. 7, 034 (2019)
10.21468/SciPostPhys.7.3.034
FERMILAB-PUB-19-218-T, SLAC-PUB-17433, IPPP/19/42, MCNET-19-11
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Sherpa is a general-purpose Monte Carlo event generator for the simulation of particle collisions in high-energy collider experiments. We summarize essential features and improvements of the Sherpa 2.2 release series, which is heavily used for event generation in the analysis and interpretation of LHC Run 1 and Run 2...
[ { "created": "Wed, 22 May 2019 13:30:53 GMT", "version": "v1" }, { "created": "Tue, 3 Sep 2019 17:41:38 GMT", "version": "v2" } ]
2019-09-18
[ [ "Bothmann", "Enrico", "" ], [ "Chahal", "Gurpreet Singh", "" ], [ "Höche", "Stefan", "" ], [ "Krause", "Johannes", "" ], [ "Krauss", "Frank", "" ], [ "Kuttimalai", "Silvan", "" ], [ "Liebschner", "Sebastian", ...
Sherpa is a general-purpose Monte Carlo event generator for the simulation of particle collisions in high-energy collider experiments. We summarize essential features and improvements of the Sherpa 2.2 release series, which is heavily used for event generation in the analysis and interpretation of LHC Run 1 and Run 2 d...
hep-ph/0111265
Helmut Satz
H. Satz
Matter & More in Nuclear Collisions
11 pages, 9 figures
null
null
BI-TP 2001/30
hep-ph
null
The aim of high energy nuclear collisions is to study the transition from hadronic matter to a plasma of deconfined quarks and gluons. I review the basic questions of this search and summarize recent theoretical developments in the field.
[ { "created": "Wed, 21 Nov 2001 16:37:13 GMT", "version": "v1" } ]
2007-05-23
[ [ "Satz", "H.", "" ] ]
The aim of high energy nuclear collisions is to study the transition from hadronic matter to a plasma of deconfined quarks and gluons. I review the basic questions of this search and summarize recent theoretical developments in the field.
hep-ph/9912348
Fabio Benatti
Fabio Benatti, Roberto Floreanini
Direct CP-violation as a test of quantum mechanics
15 pages, TeX
Eur.Phys.J.C13:267-273,2000
10.1007/s100520050692
null
hep-ph quant-ph
null
Direct CP-violating effects in the neutral kaon system result in violations of certain Bell-like inequalities. The new experimental results on the determination of the phenomenological parameter epsilon' allow to dismiss a large class of ``hidden variable'' alternatives to quantum mechanics.
[ { "created": "Wed, 15 Dec 1999 10:06:44 GMT", "version": "v1" } ]
2011-09-13
[ [ "Benatti", "Fabio", "" ], [ "Floreanini", "Roberto", "" ] ]
Direct CP-violating effects in the neutral kaon system result in violations of certain Bell-like inequalities. The new experimental results on the determination of the phenomenological parameter epsilon' allow to dismiss a large class of ``hidden variable'' alternatives to quantum mechanics.
hep-ph/9708423
Vladimir Smirnov
V.A. Smirnov
Asymptotic Expansions of Feynman Integrals on the Mass Shell in Momenta and Masses
6 pages, LaTeX, aipproc.sty and axodraw.sty (included), 2 figures; talk given at the 5th International Conference "Beyond the Standard Model", Balholm, Norway, April 29 - May 4, 1997
null
10.1063/1.54482
null
hep-ph hep-th
null
A brief review of recent results on asymptotic expansions of Feynman integrals on the mass shell in momenta and masses and their application to 2-loop calculations is presented.
[ { "created": "Thu, 21 Aug 1997 13:27:41 GMT", "version": "v1" } ]
2009-10-30
[ [ "Smirnov", "V. A.", "" ] ]
A brief review of recent results on asymptotic expansions of Feynman integrals on the mass shell in momenta and masses and their application to 2-loop calculations is presented.
2306.02152
Andrea Beraudo
Andrea Beraudo, Arturo De Pace, Daniel Pablos, Francesco Prino, Marco Monteno, Marzia Nardi
Heavy-flavor transport and hadronization in pp collisions
null
null
null
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent experimental results on the Lambda_c/D^0 ratio in proton-proton collisions have revealed a significant enhancement compared to expectations based on universal fragmentation fractions/functions across different colliding systems, from e+e- to pp. This unexpected enhancement has sparked speculation about the pot...
[ { "created": "Sat, 3 Jun 2023 16:40:44 GMT", "version": "v1" } ]
2023-06-06
[ [ "Beraudo", "Andrea", "" ], [ "De Pace", "Arturo", "" ], [ "Pablos", "Daniel", "" ], [ "Prino", "Francesco", "" ], [ "Monteno", "Marco", "" ], [ "Nardi", "Marzia", "" ] ]
Recent experimental results on the Lambda_c/D^0 ratio in proton-proton collisions have revealed a significant enhancement compared to expectations based on universal fragmentation fractions/functions across different colliding systems, from e+e- to pp. This unexpected enhancement has sparked speculation about the poten...
1404.1585
Juan Antonio Aguilar-Saavedra
J.A. Aguilar-Saavedra, S. Amor dos Santos
New directions for top quark polarization in the $t$-channel process
LaTeX 6 pages. Minor changes, matches published version
Phys. Rev. D 89, 114009 (2014)
10.1103/PhysRevD.89.114009
CERN-PH-TH-2014-086
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We define three orthogonal axes to investigate the top quark polarization in the $t$-channel single top process. We provide expressions for the polarization in these axes in terms of anomalous $Wtb$ couplings. It is found that the polarizations in the two axes orthogonal to the spectator quark axis are very sensitive...
[ { "created": "Sun, 6 Apr 2014 15:13:43 GMT", "version": "v1" }, { "created": "Fri, 20 Jun 2014 10:13:47 GMT", "version": "v2" } ]
2014-06-23
[ [ "Aguilar-Saavedra", "J. A.", "" ], [ "Santos", "S. Amor dos", "" ] ]
We define three orthogonal axes to investigate the top quark polarization in the $t$-channel single top process. We provide expressions for the polarization in these axes in terms of anomalous $Wtb$ couplings. It is found that the polarizations in the two axes orthogonal to the spectator quark axis are very sensitive t...
2306.11416
John Gracey
J.A. Gracey, R.H. Mason
The Crewther relation, schemes, gauges and fixed points
51 latex pages, 10 tables, anc directory contains additional tables and a txt file with the electronic version of results for a general colour group, minor text changes and additional references
null
null
LTH 1344
hep-ph
http://creativecommons.org/licenses/by/4.0/
We investigate the Crewther relation at high loop order in a variety of renormalization schemes and gauges. By examining the properties of the relation in schemes other than modified minimal subtraction (MSbar) at the fixed points of Quantum Chromodynamics we propose a generalization of the Crewther relation that ext...
[ { "created": "Tue, 20 Jun 2023 09:54:48 GMT", "version": "v1" }, { "created": "Thu, 3 Aug 2023 10:52:31 GMT", "version": "v2" } ]
2023-08-04
[ [ "Gracey", "J. A.", "" ], [ "Mason", "R. H.", "" ] ]
We investigate the Crewther relation at high loop order in a variety of renormalization schemes and gauges. By examining the properties of the relation in schemes other than modified minimal subtraction (MSbar) at the fixed points of Quantum Chromodynamics we propose a generalization of the Crewther relation that exten...
1011.5601
Pedro Fernando Simoes Costa
C. A. de Sousa, Pedro Costa, M. C. Ruivo, H. Hansen
Phase diagram and critical properties in the Polyakov--Nambu--Jona-Lasinio model
Talk given at the 9th International Conference on Quark Confinement and the Hadron Spectrum - QCHS IX, Madrid, Spain, 30 August - September 2010
AIP Conf.Proc.1343:592,2011
10.1063/1.3575104
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the phase diagram of the so-called Polyakov--Nambu--Jona-Lasinio model at finite temperature and nonzero chemical potential with three quark flavours. Chiral and deconfinement phase transitions are discussed, and the relevant order-like parameters are analyzed. The results are compared with simple ther...
[ { "created": "Thu, 25 Nov 2010 11:49:22 GMT", "version": "v1" } ]
2011-06-22
[ [ "de Sousa", "C. A.", "" ], [ "Costa", "Pedro", "" ], [ "Ruivo", "M. C.", "" ], [ "Hansen", "H.", "" ] ]
We investigate the phase diagram of the so-called Polyakov--Nambu--Jona-Lasinio model at finite temperature and nonzero chemical potential with three quark flavours. Chiral and deconfinement phase transitions are discussed, and the relevant order-like parameters are analyzed. The results are compared with simple thermo...
hep-ph/0606190
Antonio Enrique Carcamo Hernandez acarcamo
A. Carcamo, R. Martinez, J.-Alexis Rodriguez
Different kind of textures of Yukawa coupling matrices in the two Higgs doublet model type III
14 pages, 1 figure. Added references, corrected typos. Errors corrected. References added
Eur.Phys.J.C50:935-948,2007
10.1140/epjc/s10052-007-0264-0
null
hep-ph
null
The quark mass matrices ansatze proposed by Fritzsch, Du-Xing and Fukuyama-Nishiura in the framework of the general two Higgs doublet model are studied. The corresponding Yukawa matrices in the flavor basis in the different cases considered are discussed. The corresponding Cabbibo-Kobayashi-Maskawa matrix elements ar...
[ { "created": "Mon, 19 Jun 2006 03:20:40 GMT", "version": "v1" }, { "created": "Sat, 24 Jun 2006 02:05:38 GMT", "version": "v2" }, { "created": "Tue, 27 Jun 2006 20:39:46 GMT", "version": "v3" }, { "created": "Thu, 22 Mar 2007 17:06:35 GMT", "version": "v4" } ]
2008-11-26
[ [ "Carcamo", "A.", "" ], [ "Martinez", "R.", "" ], [ "Rodriguez", "J. -Alexis", "" ] ]
The quark mass matrices ansatze proposed by Fritzsch, Du-Xing and Fukuyama-Nishiura in the framework of the general two Higgs doublet model are studied. The corresponding Yukawa matrices in the flavor basis in the different cases considered are discussed. The corresponding Cabbibo-Kobayashi-Maskawa matrix elements are ...
hep-ph/0511076
Johan Bijnens
Johan Bijnens (Lund)
$\eta$ and $\eta'$ decays and what can we learn from them?
13 pages. Talk presented at the Eta'05 Workshop on production and decay of $\eta$ and $\eta'$ mesons 15th--18th September 2005, Jagellonian University, Cracow, Poland. v2 :Changes in figures, misprints corrected, reference added
ActaPhys.Slov.56:305-318,2006
null
LU TP 05-42
hep-ph nucl-th
null
In this talk a short overview of $\eta$ and $\eta'$ decays is given with an emphasis on what can be learned for the strong interaction from them. The talk consists of a short introduction to ChPT, a discussion of $\eta\to3\pi$ beyond $p^4$ and some of the physics involved in $\eta'\to\eta\pi\pi,3\pi$ as well as an ov...
[ { "created": "Mon, 7 Nov 2005 15:46:46 GMT", "version": "v1" }, { "created": "Thu, 2 Feb 2006 13:13:24 GMT", "version": "v2" } ]
2008-11-26
[ [ "Bijnens", "Johan", "", "Lund" ] ]
In this talk a short overview of $\eta$ and $\eta'$ decays is given with an emphasis on what can be learned for the strong interaction from them. The talk consists of a short introduction to ChPT, a discussion of $\eta\to3\pi$ beyond $p^4$ and some of the physics involved in $\eta'\to\eta\pi\pi,3\pi$ as well as an over...
1410.5698
James P. Kneller
James P. Kneller, Neel V. Kabadi
Supernova neutrinos and the turbulence power spectrum: point source statistics
Matches version accepted by PRD
Phys. Rev. D 92, 013009 (2015)
10.1103/PhysRevD.92.013009
null
hep-ph astro-ph.SR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The neutrinos emitted from the proto-neutron star created in a core-collapse supernova must run through a significant amount of turbulence before exiting the star. Turbulence can modify the flavor evolution of the neutrinos imprinting itself upon the signal detected here at Earth. The turbulence effect upon individua...
[ { "created": "Tue, 21 Oct 2014 15:10:14 GMT", "version": "v1" }, { "created": "Mon, 6 Jul 2015 12:33:26 GMT", "version": "v2" } ]
2015-07-22
[ [ "Kneller", "James P.", "" ], [ "Kabadi", "Neel V.", "" ] ]
The neutrinos emitted from the proto-neutron star created in a core-collapse supernova must run through a significant amount of turbulence before exiting the star. Turbulence can modify the flavor evolution of the neutrinos imprinting itself upon the signal detected here at Earth. The turbulence effect upon individual ...
hep-ph/0306119
Stefano Profumo
Stefano Profumo
Neutralino relic density in supersymmetric GUTs with no-scale boundary conditions above the unification scale
14 pages, 5 figures, JHEP style. Version accepted for publication in JHEP
JHEP0306:052,2003
10.1088/1126-6708/2003/06/052
SISSA-49/2003/EP
hep-ph astro-ph hep-th
null
We investigate SU(5) and SO(10) GUTs with vanishing scalar masses and trilinear scalar couplings at a scale higher than the unification scale. The parameter space of the models, further constrained by b-\tau Yukawa coupling unification, consists of a common gaugino mass and of \tan\beta. We analyze the low energy phe...
[ { "created": "Fri, 13 Jun 2003 11:07:08 GMT", "version": "v1" }, { "created": "Thu, 26 Jun 2003 17:09:42 GMT", "version": "v2" } ]
2009-11-10
[ [ "Profumo", "Stefano", "" ] ]
We investigate SU(5) and SO(10) GUTs with vanishing scalar masses and trilinear scalar couplings at a scale higher than the unification scale. The parameter space of the models, further constrained by b-\tau Yukawa coupling unification, consists of a common gaugino mass and of \tan\beta. We analyze the low energy pheno...
hep-ph/9609283
Lu Gong Ru
Gongru Lu, Yigang Cao, Zhaohua Xiong, Chongxing Yue and Zhenjun Xiao
Multiscale Technicolor and $b \to s \gamma$
11 pages, Latex, no macros, 3 figures, hard copy is available upon request. to appear in Z. Phys. C
Z.Phys.C74:355-358,1997
10.1007/s002880050397
HNU-TH-96/9
hep-ph
null
Correction to the $b\rightarrow s\gamma$ branching ratio in the multiscale walking technicolor model (MWTCM) is examined. For the original MWTCM, the correction is too large to explain the recent CLEO data. We show that if topcolor is further introduced, the branching ratio in the topcolor assisted MWTCM can be in ag...
[ { "created": "Sat, 7 Sep 1996 08:37:23 GMT", "version": "v1" } ]
2008-12-25
[ [ "Lu", "Gongru", "" ], [ "Cao", "Yigang", "" ], [ "Xiong", "Zhaohua", "" ], [ "Yue", "Chongxing", "" ], [ "Xiao", "Zhenjun", "" ] ]
Correction to the $b\rightarrow s\gamma$ branching ratio in the multiscale walking technicolor model (MWTCM) is examined. For the original MWTCM, the correction is too large to explain the recent CLEO data. We show that if topcolor is further introduced, the branching ratio in the topcolor assisted MWTCM can be in agre...
0712.3447
Celso de Camargo Barros Jr.
Celso de Camargo Barros Jr. and Yogiro Hama
Lambda and Antilambda polarization in Au-Au collisions at RHIC
null
Phys.Lett.B699:74-77,2011
10.1016/j.physletb.2011.03.052
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent experiments at RHIC have shown that in 200 GeV Au-Au collisions, the Lambda and Antilambda hyperons are produced with very small polarizations [1], almost consistent with zero. These results can be understood in terms of a model that we recently proposed [2]. In this work, we show how this model may be applied...
[ { "created": "Thu, 20 Dec 2007 15:08:34 GMT", "version": "v1" }, { "created": "Wed, 2 Jun 2010 21:21:35 GMT", "version": "v2" } ]
2011-04-20
[ [ "Barros", "Celso de Camargo", "Jr." ], [ "Hama", "Yogiro", "" ] ]
Recent experiments at RHIC have shown that in 200 GeV Au-Au collisions, the Lambda and Antilambda hyperons are produced with very small polarizations [1], almost consistent with zero. These results can be understood in terms of a model that we recently proposed [2]. In this work, we show how this model may be applied i...
0809.2823
Bogdan Malaescu I.
Bogdan Malaescu
Precise alpha_s from Tau Decays
4 pages, 2 figures. To appear in the proceedings of QCD08, Montpellier, France, 7-12th July 2008
Nucl.Phys.Proc.Suppl.186:183-186,2009
10.1016/j.nuclphysbps.2008.12.043
LAL 08-159
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An updated measurement of alpha_s(m_tau) from ALEPH tau hadronic spectral functions is presented. We report a study of the perturbative prediction(s) showing that the fixed-order perturbation theory manifests convergence or principle problems not presented in the contour-improved calculation. Potential systematic eff...
[ { "created": "Tue, 16 Sep 2008 22:21:15 GMT", "version": "v1" }, { "created": "Mon, 10 Nov 2008 12:00:10 GMT", "version": "v2" } ]
2010-04-21
[ [ "Malaescu", "Bogdan", "" ] ]
An updated measurement of alpha_s(m_tau) from ALEPH tau hadronic spectral functions is presented. We report a study of the perturbative prediction(s) showing that the fixed-order perturbation theory manifests convergence or principle problems not presented in the contour-improved calculation. Potential systematic effec...
1102.2844
Alan D. Martin
M. G. Ryskin, A.D. Martin and V.A. Khoze
High-energy strong interactions: from `hard' to `soft'
36 pages, 12 figures. Version published in EPJC which has captions to Figs. 8 and 9 corrected
null
10.1140/epjc/s10052-011-1617-2
IPPP/11/10, DCPT/11/20
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the qualitative features of the recent data on multiparticle production observed at the LHC. The tolerable agreement with Monte Carlos based on LO DGLAP evolution indicates that there is no qualitative difference between `hard' and `soft' interactions; and that a perturbative QCD approach may be extended i...
[ { "created": "Mon, 14 Feb 2011 18:15:37 GMT", "version": "v1" }, { "created": "Mon, 2 May 2011 16:23:52 GMT", "version": "v2" } ]
2015-05-27
[ [ "Ryskin", "M. G.", "" ], [ "Martin", "A. D.", "" ], [ "Khoze", "V. A.", "" ] ]
We discuss the qualitative features of the recent data on multiparticle production observed at the LHC. The tolerable agreement with Monte Carlos based on LO DGLAP evolution indicates that there is no qualitative difference between `hard' and `soft' interactions; and that a perturbative QCD approach may be extended int...
1502.02497
Zhun Lu
Wenjuan Mao, Xiaoyu Wang, Xiaozhen Du, Zhun Lu, Bo-Qiang Ma
A phenomenological study on the $\cos\phi_h$ azimuthal asymmetry in double longitudinally Polarized SIDIS
7 pages,8 figures
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the $\cos{\phi_h}$ azimuthal asymmetry in double polarized semi-inclusive pion production by considering dynamical twist-3 effects. In particular, we evaluate the role of the transverse momentum dependent distributions $e_L(x, k_T^2)$ and $g_L^\perp(x, k_T^2)$ on the asymmetry. Using two different sets of sp...
[ { "created": "Mon, 9 Feb 2015 14:30:29 GMT", "version": "v1" } ]
2015-02-10
[ [ "Mao", "Wenjuan", "" ], [ "Wang", "Xiaoyu", "" ], [ "Du", "Xiaozhen", "" ], [ "Lu", "Zhun", "" ], [ "Ma", "Bo-Qiang", "" ] ]
We study the $\cos{\phi_h}$ azimuthal asymmetry in double polarized semi-inclusive pion production by considering dynamical twist-3 effects. In particular, we evaluate the role of the transverse momentum dependent distributions $e_L(x, k_T^2)$ and $g_L^\perp(x, k_T^2)$ on the asymmetry. Using two different sets of spec...
2306.12953
Shao-Feng Ge
Shao-Feng Ge and Pedro Pasquini
Disentangle Neutrino Electromagnetic Properties with Atomic Radiative Pair Emission
32 pages, 4 figures, matches with the JHEP version
null
10.1007/JHEP12(2023)083
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We elaborate the possibility of using the atomic radiative emission of neutrino pair (RENP) to probe the neutrino electromagnetic properties, including magnetic and electric dipole moments, charge radius, and anapole. With the typical O(eV) momentum transfer, the atomic RENP is sensitive to not just the tiny neutrino...
[ { "created": "Thu, 22 Jun 2023 15:12:10 GMT", "version": "v1" }, { "created": "Thu, 21 Dec 2023 12:53:53 GMT", "version": "v2" } ]
2023-12-22
[ [ "Ge", "Shao-Feng", "" ], [ "Pasquini", "Pedro", "" ] ]
We elaborate the possibility of using the atomic radiative emission of neutrino pair (RENP) to probe the neutrino electromagnetic properties, including magnetic and electric dipole moments, charge radius, and anapole. With the typical O(eV) momentum transfer, the atomic RENP is sensitive to not just the tiny neutrino m...
2102.12591
Jesse Giron
Justin M. Gens, Jesse F. Giron, Richard F. Lebed
Radiative Transitions of Charmoniumlike Exotics in the Dynamical Diquark Model
10 pages, Version accepted for publication at Phys. Rev. D. Includes calculations beyond long-wavelength limit
Phys. Rev. D 103, 094024 (2021)
10.1103/PhysRevD.103.094024
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Using the dynamical diquark model, we calculate the electric-dipole radiative decay widths to $X(3872)$ of the lightest negative-parity exotic candidates, including the four $I=0$, $J^{PC} \! = \! 1^{--}$ ("$Y$") states. The $O$(100--1000 keV) values obtained test the hypothesis of a common substructure shared by all...
[ { "created": "Wed, 24 Feb 2021 22:39:04 GMT", "version": "v1" }, { "created": "Tue, 20 Apr 2021 02:03:01 GMT", "version": "v2" } ]
2021-05-26
[ [ "Gens", "Justin M.", "" ], [ "Giron", "Jesse F.", "" ], [ "Lebed", "Richard F.", "" ] ]
Using the dynamical diquark model, we calculate the electric-dipole radiative decay widths to $X(3872)$ of the lightest negative-parity exotic candidates, including the four $I=0$, $J^{PC} \! = \! 1^{--}$ ("$Y$") states. The $O$(100--1000 keV) values obtained test the hypothesis of a common substructure shared by all o...
hep-ph/9904454
Guetta Dafne
Dafne Guetta and Paul Singer
Two photon decays of heavy vector mesons, $B^{*}\to B\gamma \gamma$,$D^{*}\to D\gamma \gamma$, and the possible determination of the $g_{B^{*}(D^{*})B(D)\pi}$ and $g_{{B^{*}}^0B^0\gamma}$ couplings
22 pages, LaTeX, 5 ps-figures (uses subfigure.sty). Accepted by Phys. Rev. D
Phys.Rev. D61 (2000) 054014
10.1103/PhysRevD.61.054014
null
hep-ph
null
We study the novel decays $B^{*}\to B\gamma\gamma $ and $D^{*}\to D\gamma \gamma $ using the framework of the Heavy Meson Chiral Lagrangian (HM$\chi$L) to leading order in chiral perturbation theory. The branching ratios of these decays are expressed in terms of the strong $g_{B^{*}(D^{*})B(D)\pi}$ and the electromag...
[ { "created": "Mon, 26 Apr 1999 16:34:38 GMT", "version": "v1" }, { "created": "Thu, 28 Oct 1999 12:24:48 GMT", "version": "v2" } ]
2009-10-31
[ [ "Guetta", "Dafne", "" ], [ "Singer", "Paul", "" ] ]
We study the novel decays $B^{*}\to B\gamma\gamma $ and $D^{*}\to D\gamma \gamma $ using the framework of the Heavy Meson Chiral Lagrangian (HM$\chi$L) to leading order in chiral perturbation theory. The branching ratios of these decays are expressed in terms of the strong $g_{B^{*}(D^{*})B(D)\pi}$ and the electromagne...
hep-ph/0611146
Holger Gies
Holger Gies (Heidelberg U.)
Introduction to the functional RG and applications to gauge theories
60 pages, 14 figures, Lectures held at the 2006 ECT* School "Renormalization Group and Effective Field Theory Approaches to Many-Body Systems", Trento, Italy
null
10.1007/978-3-642-27320-9_6
null
hep-ph
null
These lectures contain an introduction to modern renormalization group (RG) methods as well as functional RG approaches to gauge theories. In the first lecture, the functional renormalization group is introduced with a focus on the flow equation for the effective average action. The second lecture is devoted to a dis...
[ { "created": "Fri, 10 Nov 2006 15:55:38 GMT", "version": "v1" } ]
2015-06-25
[ [ "Gies", "Holger", "", "Heidelberg U." ] ]
These lectures contain an introduction to modern renormalization group (RG) methods as well as functional RG approaches to gauge theories. In the first lecture, the functional renormalization group is introduced with a focus on the flow equation for the effective average action. The second lecture is devoted to a discu...
hep-ph/0311183
N. D. Tracas
N.D. Tracas (Physics Department, NTU Athens)
GUT Precursors in $SU(3)^3$-Type Model and $N_{COLOUR}>3$
8pages, 3 Postscript figures, graphicx.sty
Mod.Phys.Lett.A19:1615-1622,2004
10.1142/S0217732304013878
null
hep-ph
null
We investigate the $SU(3)^3$ GUT model when signs of the model (precursors), due to low compactification scale, appear before the gauge couplings of the Standard Model get unified. The Kaluza-Klein state contribution seems to lead the gauge couplings to unification through a wide energy scale only in the case when th...
[ { "created": "Fri, 14 Nov 2003 09:57:39 GMT", "version": "v1" } ]
2011-02-18
[ [ "Tracas", "N. D.", "", "Physics Department, NTU Athens" ] ]
We investigate the $SU(3)^3$ GUT model when signs of the model (precursors), due to low compactification scale, appear before the gauge couplings of the Standard Model get unified. The Kaluza-Klein state contribution seems to lead the gauge couplings to unification through a wide energy scale only in the case when the ...
hep-ph/9608253
Please Reply To
T.K. Gaisser, M. Honda, K. Kasahara, H. Lee, S. Midorikawa, V. Naumov and Todor Stanev
Comparison of Atmospheric Neutrino Flux Calculations at Low Energies
15 pages, RevTeX , 5 postscript figures, submitted to Phys. Rev. D
Phys.Rev.D54:5578-5584,1996
10.1103/PhysRevD.54.5578
BRI-96-19
hep-ph
null
We compare several different calculations of the atmospheric neutrino flux in the energy range relevant for contained neutrino interactions, and we identify the major sources of difference among the calculations. We find nothing that would affect the predicted ratio of $\nu_e/\nu_\mu$, which is nearly the same in all...
[ { "created": "Wed, 7 Aug 1996 17:43:39 GMT", "version": "v1" } ]
2014-11-17
[ [ "Gaisser", "T. K.", "" ], [ "Honda", "M.", "" ], [ "Kasahara", "K.", "" ], [ "Lee", "H.", "" ], [ "Midorikawa", "S.", "" ], [ "Naumov", "V.", "" ], [ "Stanev", "Todor", "" ] ]
We compare several different calculations of the atmospheric neutrino flux in the energy range relevant for contained neutrino interactions, and we identify the major sources of difference among the calculations. We find nothing that would affect the predicted ratio of $\nu_e/\nu_\mu$, which is nearly the same in all c...
1401.6012
Florian Lyonnet
T. Je\v{z}o, M. Klasen, F. Lyonnet, F. Montanet, I. Schienbein, M. Tartare
Can new heavy gauge bosons be observed in ultra-high energy cosmic neutrino events?
5 pages, 2 figures
Phys.Rev. D89 (2014) 077702
10.1103/PhysRevD.89.077702
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A wide range of models beyond the Standard Model predict charged and neutral resonances, generically called $W'$- and $Z'$-bosons, respectively. In this paper we study the impact of such resonances on the deep inelastic scattering of ultra-high energy neutrinos as well as on the resonant charged current $\bar\nu_e e^...
[ { "created": "Thu, 23 Jan 2014 15:44:10 GMT", "version": "v1" } ]
2014-05-15
[ [ "Ježo", "T.", "" ], [ "Klasen", "M.", "" ], [ "Lyonnet", "F.", "" ], [ "Montanet", "F.", "" ], [ "Schienbein", "I.", "" ], [ "Tartare", "M.", "" ] ]
A wide range of models beyond the Standard Model predict charged and neutral resonances, generically called $W'$- and $Z'$-bosons, respectively. In this paper we study the impact of such resonances on the deep inelastic scattering of ultra-high energy neutrinos as well as on the resonant charged current $\bar\nu_e e^-$...
1807.10798
Martin Schumacher
Martin Schumacher
Mass and structure of the nucleon: Gluon trace anomaly versus spontaneous symmetry breaking
7 pages, 1 figure
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Two different approaches to mass and structure of the nucleon are discussed in recent works, ${\it viz.}$ (case 1) the QCD lagrangian evaluated via lattice calculations and (case ii) spontaneous symmetry breaking mediated by the $\sigma$ field. These approaches are complementary in the sense that the QCD lagrangian m...
[ { "created": "Fri, 27 Jul 2018 18:56:17 GMT", "version": "v1" }, { "created": "Fri, 12 Oct 2018 13:03:23 GMT", "version": "v2" }, { "created": "Fri, 23 Aug 2019 08:59:37 GMT", "version": "v3" } ]
2019-08-26
[ [ "Schumacher", "Martin", "" ] ]
Two different approaches to mass and structure of the nucleon are discussed in recent works, ${\it viz.}$ (case 1) the QCD lagrangian evaluated via lattice calculations and (case ii) spontaneous symmetry breaking mediated by the $\sigma$ field. These approaches are complementary in the sense that the QCD lagrangian mak...
2309.07583
Nivedita Ghosh
Nivedita Ghosh, Santosh Kumar Rai, and Tousik Samui
Search For a Leptoquark and Vector-like Lepton in a Muon Collider
27 pages, 4 figures, and 3 tables, version accepted for publication in Nuclear Physics B journal
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The proposal for a high-energy muon collider offers many opportunities in the search for physics beyond the Standard Model (BSM). The collider by construction is likely to be more sensitive to the muon-philic models, primarily motivated by the BSM explanation of muon $(g-2)$ excess and quark flavor anomalies. In this...
[ { "created": "Thu, 14 Sep 2023 10:28:52 GMT", "version": "v1" }, { "created": "Sun, 12 May 2024 05:18:16 GMT", "version": "v2" } ]
2024-05-14
[ [ "Ghosh", "Nivedita", "" ], [ "Rai", "Santosh Kumar", "" ], [ "Samui", "Tousik", "" ] ]
The proposal for a high-energy muon collider offers many opportunities in the search for physics beyond the Standard Model (BSM). The collider by construction is likely to be more sensitive to the muon-philic models, primarily motivated by the BSM explanation of muon $(g-2)$ excess and quark flavor anomalies. In this w...
hep-ph/0611326
Sven Heinemeyer
M. Frank, T. Hahn, S. Heinemeyer, W. Hollik, H. Rzehak, G. Weiglein
The Higgs Boson Masses and Mixings of the Complex MSSM in the Feynman-Diagrammatic Approach
57 pages, 12 figures. Discussion about decoupling properties added, references added. Version to appear in JHEP
JHEP 0702:047,2007
10.1088/1126-6708/2007/02/047
DCPT/06/160, IPPP/06/80, MPP-2006-158, PSI-PR-06-14
hep-ph
null
New results for the complete one-loop contributions to the masses and mixing effects in the Higgs sector are obtained for the MSSM with complex parameters using the Feynman-diagrammatic approach. The full dependence on all relevant complex phases is taken into account, and all the imaginary parts appearing in the cal...
[ { "created": "Mon, 27 Nov 2006 10:01:09 GMT", "version": "v1" }, { "created": "Mon, 29 Jan 2007 09:43:20 GMT", "version": "v2" } ]
2010-10-27
[ [ "Frank", "M.", "" ], [ "Hahn", "T.", "" ], [ "Heinemeyer", "S.", "" ], [ "Hollik", "W.", "" ], [ "Rzehak", "H.", "" ], [ "Weiglein", "G.", "" ] ]
New results for the complete one-loop contributions to the masses and mixing effects in the Higgs sector are obtained for the MSSM with complex parameters using the Feynman-diagrammatic approach. The full dependence on all relevant complex phases is taken into account, and all the imaginary parts appearing in the calcu...
2307.05516
Xue Jie Liu
Xuejie Liu and Yue Tan and Dianyong Chen and Hongxia Huang and Jialun Ping
Investigation of the $N\bar{D}$ system in quark delocalization color screening model
arXiv admin note: text overlap with arXiv:2211.09433
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we systematically calculate the pentaquark systems with quark contents $qqqq\bar{c}$ with the analyzed total spin and parity quantum numbers of $J^{P}=\frac{1}{2}^{-}$, $J^{P}=\frac{3}{2}^{-}$ and $J^{P}=\frac{5}{2}^{-}$, in the I=0, I=1 and I=2 isospin channels. The effective potentials between baryon a...
[ { "created": "Fri, 7 Jul 2023 02:08:46 GMT", "version": "v1" } ]
2023-07-13
[ [ "Liu", "Xuejie", "" ], [ "Tan", "Yue", "" ], [ "Chen", "Dianyong", "" ], [ "Huang", "Hongxia", "" ], [ "Ping", "Jialun", "" ] ]
In this work we systematically calculate the pentaquark systems with quark contents $qqqq\bar{c}$ with the analyzed total spin and parity quantum numbers of $J^{P}=\frac{1}{2}^{-}$, $J^{P}=\frac{3}{2}^{-}$ and $J^{P}=\frac{5}{2}^{-}$, in the I=0, I=1 and I=2 isospin channels. The effective potentials between baryon and...
1306.2045
Pere Masjuan
H. Czy\.z, A. Denig, S. Eidelman, H. Hu, F. Jegerlehner, B. Kloss, J.H. K\"uhn, A. Kupsc, E. A. Kuraev, P. Masjuan (ed.), S.E. M\"uller, R.G Ping, C.F. Redmer, P. Roig, P. Sanchez-Puertas, O. Shekhovtsova, H. Spiesberger, E. Tomasi-Gustafsson, T. Teubner, M. Vanderhaeghen, G. Venanzoni (ed.), Y. Wang
Constraining the Hadronic Contributions to the Muon Anomalous Magnetic Moment
45 pages, 17 contributions. Editors: P. Masjuan and G. Venanzoni
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The mini-proceedings of the Workshop on "Constraining the hadronic contributions to the muon anomalous magnetic moment" which included the "13th meeting of the Radio MonteCarLow WG" and the "Satellite meeting R-Measurements at BES-III" held in Trento from April 10th to 12th, 2013, are presented. This collaboration me...
[ { "created": "Sun, 9 Jun 2013 17:47:54 GMT", "version": "v1" } ]
2013-06-11
[ [ "Czyż", "H.", "", "ed." ], [ "Denig", "A.", "", "ed." ], [ "Eidelman", "S.", "", "ed." ], [ "Hu", "H.", "", "ed." ], [ "Jegerlehner", "F.", "", "ed." ], [ "Kloss", "B.", "", "ed." ], [ "Kühn...
The mini-proceedings of the Workshop on "Constraining the hadronic contributions to the muon anomalous magnetic moment" which included the "13th meeting of the Radio MonteCarLow WG" and the "Satellite meeting R-Measurements at BES-III" held in Trento from April 10th to 12th, 2013, are presented. This collaboration meet...
hep-ph/0102265
Serguey Petcov
S. M. Bilenky, S. Pascoli, S. T. Petcov
Majorana Neutrinos, Neutrino Mass Spectrum, CP-Violation and Neutrinoless Double Beta-Decay: I. The Three-Neutrino Mixing Case
51 pages, LATEX; 33 pages of text, 28 eps-files; the text includes 6 tables and 28 figures; results and conclusions unchanged, a reference to the KATRIN project and Comments concerning its physics potential added; version to be published in Physical Review D
Phys.Rev.D64:053010,2001
10.1103/PhysRevD.64.053010
SISSA 1/2001/EP, January 2001
hep-ph
null
Assuming mixing of three massive Majorana neutrinos, we study the implications of the neutrino oscillation solutions of the solar and atmospheric neutrino problems and of the results of the CHOOZ experiment for the predictions of the effective Majorana mass in neutrinoless double beta decay, |< m >|. The general case...
[ { "created": "Wed, 21 Feb 2001 15:42:22 GMT", "version": "v1" }, { "created": "Wed, 4 Apr 2001 14:40:09 GMT", "version": "v2" }, { "created": "Tue, 22 May 2001 09:57:12 GMT", "version": "v3" } ]
2014-11-17
[ [ "Bilenky", "S. M.", "" ], [ "Pascoli", "S.", "" ], [ "Petcov", "S. T.", "" ] ]
Assuming mixing of three massive Majorana neutrinos, we study the implications of the neutrino oscillation solutions of the solar and atmospheric neutrino problems and of the results of the CHOOZ experiment for the predictions of the effective Majorana mass in neutrinoless double beta decay, |< m >|. The general case o...
2003.06623
Qin-Tao Song
S. Kumano, Qin-Tao Song
Deuteron polarizations in the proton-deuteron Drell-Yan process for finding the gluon transversity
8 pages, 2 figures, published in Phys. Rev. D 101 (2020) 094013. Some notations are changed
Phys. Rev. D 101, 094013 (2020)
10.1103/PhysRevD.101.094013
KEK-TH-2192, J-PARC-TH-0215
hep-ph hep-ex hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The gluon transversity distribution in the deuteron is defined by the matrix element between linearly-polarized deuteron states, and it could be investigated in proton-deuteron collisions in addition to lepton-deuteron scattering. The linear polarization of photon is often used, whereas it is rarely used for the spin...
[ { "created": "Sat, 14 Mar 2020 13:07:02 GMT", "version": "v1" }, { "created": "Fri, 15 May 2020 02:33:02 GMT", "version": "v2" } ]
2020-05-20
[ [ "Kumano", "S.", "" ], [ "Song", "Qin-Tao", "" ] ]
The gluon transversity distribution in the deuteron is defined by the matrix element between linearly-polarized deuteron states, and it could be investigated in proton-deuteron collisions in addition to lepton-deuteron scattering. The linear polarization of photon is often used, whereas it is rarely used for the spin-1...
hep-ph/9912431
Cheuk-Yin Wong
Cheuk-Yin Wong (ORNL), E. S. Swanson (UPittsburgh,JLab), and T. Barnes(ORNL,UTenn,UBonn,IKPJulich)
Cross Sections for pi- and rho-induced Dissociation of J/psi and psi'
13 pages, in LaTex
Phys.Rev.C62:045201,2000
10.1103/PhysRevC.62.045201
null
hep-ph nucl-th
null
We evaluate the cross sections for the dissociation of $J/\psi$ and $\psi'$ by $\pi$ and $\rho$ at low collision energies, using the quark-interchange model of Barnes and Swanson. The dissociation cross section for $J/\psi$ by $\pi$ is found to be relatively small with a maximum of about 1 mb and a kinetic energy thr...
[ { "created": "Mon, 20 Dec 1999 20:01:06 GMT", "version": "v1" }, { "created": "Tue, 28 Mar 2000 15:41:26 GMT", "version": "v2" } ]
2014-11-17
[ [ "Wong", "Cheuk-Yin", "", "ORNL" ], [ "Swanson", "E. S.", "", "UPittsburgh,JLab" ], [ "Barnes", "T.", "", "ORNL,UTenn,UBonn,IKPJulich" ] ]
We evaluate the cross sections for the dissociation of $J/\psi$ and $\psi'$ by $\pi$ and $\rho$ at low collision energies, using the quark-interchange model of Barnes and Swanson. The dissociation cross section for $J/\psi$ by $\pi$ is found to be relatively small with a maximum of about 1 mb and a kinetic energy thres...
2307.01086
Ke-Pan Xie
Shao-Ping Li, Ke-Pan Xie
A collider test of nano-Hertz gravitational waves from pulsar timing arrays
6 pages + 2 figures + appendix + references
null
null
null
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
A cosmic first-order phase transition (FOPT) occurring at MeV-scale provides an attractive explanation for the nano-Hertz gravitational wave (GW) background indicated by the recent pulsar timing array data from the NANOGrav, CPTA, EPTA and PPTA collaborations. We propose this explanation can be further tested at the ...
[ { "created": "Mon, 3 Jul 2023 15:07:43 GMT", "version": "v1" }, { "created": "Wed, 6 Sep 2023 01:24:06 GMT", "version": "v2" } ]
2023-09-07
[ [ "Li", "Shao-Ping", "" ], [ "Xie", "Ke-Pan", "" ] ]
A cosmic first-order phase transition (FOPT) occurring at MeV-scale provides an attractive explanation for the nano-Hertz gravitational wave (GW) background indicated by the recent pulsar timing array data from the NANOGrav, CPTA, EPTA and PPTA collaborations. We propose this explanation can be further tested at the co...
hep-ph/0107100
Kaladi Babu
K.S. Babu (Oklahoma State University), B. Dutta (Texas A & M University) and R.N. Mohapatra (University of Maryland)
Solving the Strong CP and the SUSY Phase Problems with Parity Symmetry
16 pages RevTeX, 2 figures
Phys.Rev.D65:016005,2002
10.1103/PhysRevD.65.016005
OSU-HEP-01-04, UMDPP-01-62, CTP-TAMU-20-01
hep-ph
null
We propose a simultaneous solution to the strong CP problem and the SUSY phase problem based on parity symmetry realized when the supersymmetric standard model is embedded into a left-right symmetric framework at a scale near 2 x 10^{16} GeV, as suggested by neutrino masses and gauge coupling unification. In this cla...
[ { "created": "Mon, 9 Jul 2001 19:45:00 GMT", "version": "v1" } ]
2014-11-17
[ [ "Babu", "K. S.", "", "Oklahoma State University" ], [ "Dutta", "B.", "", "Texas A & M\n University" ], [ "Mohapatra", "R. N.", "", "University of Maryland" ] ]
We propose a simultaneous solution to the strong CP problem and the SUSY phase problem based on parity symmetry realized when the supersymmetric standard model is embedded into a left-right symmetric framework at a scale near 2 x 10^{16} GeV, as suggested by neutrino masses and gauge coupling unification. In this class...
hep-ph/0412367
Leonard Gamberg
Leonard P. Gamberg
Transversity of quarks and nucleons in SIDIS and Drell Yan
LaTeX2e, 4 pages, 4 ps figures, uses ws-procs9x6. Contribution to the 16th International Spin Physics Symposium, SPIN2004, October 10-16, 2004, Trieste, Italy
null
10.1142/9789812701909_0071
null
hep-ph
null
We consider the leading and sub-leading twist $T$-odd and even contributions to the $\cos 2\phi$ azimuthal asymmetry in unpolarized dilepton production in Drell-Yan Scattering and semi-inclusive deep inelastic scattering of pions.
[ { "created": "Thu, 23 Dec 2004 18:33:34 GMT", "version": "v1" }, { "created": "Fri, 24 Dec 2004 04:30:42 GMT", "version": "v2" } ]
2017-08-23
[ [ "Gamberg", "Leonard P.", "" ] ]
We consider the leading and sub-leading twist $T$-odd and even contributions to the $\cos 2\phi$ azimuthal asymmetry in unpolarized dilepton production in Drell-Yan Scattering and semi-inclusive deep inelastic scattering of pions.
1003.4505
Mads Toudal Frandsen
Mads T. Frandsen and Subir Sarkar (Oxford)
Asymmetric dark matter and the Sun
4 pages, 3 figures (RevTex); Capture rate corrected to obey the geometrical bound; Changes in adopted cross-sections and particle physics motivation; Conclusions concerning helioseismology and solar neutrino fluxes unchanged
Phys.Rev.Lett.105:011301,2010
10.1103/PhysRevLett.105.011301
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galacti...
[ { "created": "Tue, 23 Mar 2010 19:53:50 GMT", "version": "v1" }, { "created": "Tue, 1 Jun 2010 15:31:22 GMT", "version": "v2" } ]
2014-11-20
[ [ "Frandsen", "Mads T.", "", "Oxford" ], [ "Sarkar", "Subir", "", "Oxford" ] ]
Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galactic ...
1606.01058
Antoni Szczurek
Mariola Klusek-Gawenda, Wolfgang Schaefer and Antoni Szczurek
Two-gluon exchange contribution to elastic $\gamma \gamma \to \gamma \gamma$ scattering and production of two-photons in ultraperipheral ultrarelativistic heavy ion and proton-proton collisions
15 pages, 16 figures, 1 table, a reference was added
null
10.1016/j.physletb.2016.08.059
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the two-gluon exchange contribution (formally three-loops) to elastic photon-photon scattering in the high-energy approximation. The elastic $\gamma\gamma \to \gamma \gamma$ amplitude is given in the impact-factor representation for all helicity configurations and finite quark masses. We discuss the import...
[ { "created": "Fri, 3 Jun 2016 12:24:03 GMT", "version": "v1" }, { "created": "Thu, 16 Jun 2016 11:17:39 GMT", "version": "v2" } ]
2016-09-07
[ [ "Klusek-Gawenda", "Mariola", "" ], [ "Schaefer", "Wolfgang", "" ], [ "Szczurek", "Antoni", "" ] ]
We discuss the two-gluon exchange contribution (formally three-loops) to elastic photon-photon scattering in the high-energy approximation. The elastic $\gamma\gamma \to \gamma \gamma$ amplitude is given in the impact-factor representation for all helicity configurations and finite quark masses. We discuss the importan...
2110.12830
Natasa Vukasinovic
T. Agatonovi\'c-Jovin, N. Vuka\v{s}inovi\'c, I. Bo\v{z}ovi\'c-Jelisav\v{c}i\'c, G. Ka\v{c}arevi\'c, M. Radulovi\'c, J. Stevanovi\'c, G. Milutinovi\'c-Dumbelovi\'c, I. Smiljani\'c
CP violation in the Higgs sector at ILC
Poster presented at the European Physical Society conference on high energy physics (EPS-HEP2021), Online conference, July 26-30, 2021
null
null
ILD-PHYS-PROC-2021-011
hep-ph
http://creativecommons.org/licenses/by/4.0/
CP violation is one of Sakharov's conditions for the matter-antimatter asymmetry of the Universe. The experimentally observed size of CP violation is insufficient to account for this. Is CP violated in the Higgs sector? Could the SM-like Higgs boson be a mixture of CP even and CP odd states of an extended Higgs secto...
[ { "created": "Mon, 25 Oct 2021 11:51:23 GMT", "version": "v1" } ]
2021-10-26
[ [ "Agatonović-Jovin", "T.", "" ], [ "Vukašinović", "N.", "" ], [ "Božović-Jelisavčić", "I.", "" ], [ "Kačarević", "G.", "" ], [ "Radulović", "M.", "" ], [ "Stevanović", "J.", "" ], [ "Milutinović-Dumbelović", "G....
CP violation is one of Sakharov's conditions for the matter-antimatter asymmetry of the Universe. The experimentally observed size of CP violation is insufficient to account for this. Is CP violated in the Higgs sector? Could the SM-like Higgs boson be a mixture of CP even and CP odd states of an extended Higgs sector?...
1707.03534
Ren-You Zhang
Wang Yong, Zhang Ren-You, Ma Wen-Gan, Li Xiao-Zhou, Wang Shao-Ming and Bi Huan-Yu
$ZZ\gamma$ production in the NLO QCD+EW accuracy at the LHC
25 pages, 10 figures
J. Phys. G: Nucl. Part. Phys. 44 (2017) 085002
10.1088/1361-6471/aa7787
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we present the first study of the impact of the $\mathcal{O}(\alpha)$ EW correction to the $pp \to ZZ \gamma+X$ process at the CERN Large Hadron Collider (LHC). The subsequent $Z$-boson leptonic decays are considered at the leading order using the MadSpin method, which takes into account the spin-correl...
[ { "created": "Wed, 12 Jul 2017 04:11:49 GMT", "version": "v1" } ]
2017-08-02
[ [ "Yong", "Wang", "" ], [ "Ren-You", "Zhang", "" ], [ "Wen-Gan", "Ma", "" ], [ "Xiao-Zhou", "Li", "" ], [ "Shao-Ming", "Wang", "" ], [ "Huan-Yu", "Bi", "" ] ]
In this paper we present the first study of the impact of the $\mathcal{O}(\alpha)$ EW correction to the $pp \to ZZ \gamma+X$ process at the CERN Large Hadron Collider (LHC). The subsequent $Z$-boson leptonic decays are considered at the leading order using the MadSpin method, which takes into account the spin-correlat...
2405.12691
Azhothkaran Bhaghyesh Dr.
Nayana T S and Bhaghyesh
Spectra and Decay Properties of Higher Lying $B_C$ Meson States
13 pages, 7 images
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, the spectra and decay properties of $B_c$ mesons ($c\bar{b}$) have been investigated using a non-relativistic potential model incorporating corrections from LQCD. The non-relativistic Schrodinger wave equation is solved numerically using the Matrix Numerov Method. Using the obtained masses and wave func...
[ { "created": "Tue, 21 May 2024 11:25:42 GMT", "version": "v1" } ]
2024-05-22
[ [ "S", "Nayana T", "" ], [ "Bhaghyesh", "", "" ] ]
In this work, the spectra and decay properties of $B_c$ mesons ($c\bar{b}$) have been investigated using a non-relativistic potential model incorporating corrections from LQCD. The non-relativistic Schrodinger wave equation is solved numerically using the Matrix Numerov Method. Using the obtained masses and wave functi...
0809.4598
Dumitru Ghilencea
I. Antoniadis, E. Dudas, D. M. Ghilencea, P. Tziveloglou
Higher Dimensional Operators in the MSSM
Contribution to the proceedings of the "Susy 2008" conference; (6 pages)
AIP Conf.Proc.1078:175-180,2009
10.1063/1.3051901
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The origin and the implications of higher dimensional effective operators in 4-dimensional theories are discussed in non-supersymmetric and supersymmetric cases. Particular attention is paid to the role of general, derivative-dependent field redefinitions which one can employ to obtain a simpler form of the effective...
[ { "created": "Fri, 26 Sep 2008 11:19:42 GMT", "version": "v1" } ]
2010-04-21
[ [ "Antoniadis", "I.", "" ], [ "Dudas", "E.", "" ], [ "Ghilencea", "D. M.", "" ], [ "Tziveloglou", "P.", "" ] ]
The origin and the implications of higher dimensional effective operators in 4-dimensional theories are discussed in non-supersymmetric and supersymmetric cases. Particular attention is paid to the role of general, derivative-dependent field redefinitions which one can employ to obtain a simpler form of the effective L...
1406.4630
Toru Kojo
Toru Kojo
Chiral Spirals from Noncontinuous Chiral Symmetry: The Gross-Neveu model results
31 pages, 5 figures; v2 published in PRD
Phys. Rev. D 90, 065030 (2014)
10.1103/PhysRevD.90.065030
null
hep-ph hep-lat hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is shown that the inhomogeneous chiral condensate in the Gross-Neveu (GN) model takes the chiral spiral form, even though the thermodynamic functional depends only on the chiral scalar density. It is the inhomogeneity of the chiral scalar condensate that drives the spatial modulations of the pseudoscalar one. The ...
[ { "created": "Wed, 18 Jun 2014 08:19:08 GMT", "version": "v1" }, { "created": "Wed, 17 Sep 2014 18:15:17 GMT", "version": "v2" } ]
2014-10-01
[ [ "Kojo", "Toru", "" ] ]
It is shown that the inhomogeneous chiral condensate in the Gross-Neveu (GN) model takes the chiral spiral form, even though the thermodynamic functional depends only on the chiral scalar density. It is the inhomogeneity of the chiral scalar condensate that drives the spatial modulations of the pseudoscalar one. The re...
hep-ph/9910357
Janusz Gluza
M. Czakon, J. Gluza, M. Zralek
Are Neutrinos Dirac or Majorana Particles?
18 pages, minor typos corrected (e.g. in Eq.(55))
Acta Phys.Polon.B30:3121-3138,1999
null
null
hep-ph
null
In spite of the general belief that neutrinos are Majorana particles, their character should be revealed experimentally. We begin by discussing why it is so difficult in terrestrial experiments. If neutrinos are Majorana particles, the first signal should come from neutrinoless double $\beta $ decay. Still the search...
[ { "created": "Fri, 15 Oct 1999 16:06:47 GMT", "version": "v1" }, { "created": "Sat, 16 Oct 1999 10:36:02 GMT", "version": "v2" }, { "created": "Thu, 28 Oct 1999 09:41:52 GMT", "version": "v3" } ]
2011-04-15
[ [ "Czakon", "M.", "" ], [ "Gluza", "J.", "" ], [ "Zralek", "M.", "" ] ]
In spite of the general belief that neutrinos are Majorana particles, their character should be revealed experimentally. We begin by discussing why it is so difficult in terrestrial experiments. If neutrinos are Majorana particles, the first signal should come from neutrinoless double $\beta $ decay. Still the search f...
hep-ph/0003226
Ed Stoeffhaas
M. M. Block, F. Halzen, G. Pancheri, and T. Stanev
Breaking the Barriers - Uniting Accelerator and Cosmic Ray p-p Cross Sections
16 pages, Latex2e, uses epsfig.sty, 19 postscript figures. Presented by M. M. Block at the 25th Pamir-Chacaltaya Collaboration Workshop, Lodz, Poland, Nov. 3-7, 1999
null
null
NUHEP-708
hep-ph
null
We make a QCD-inspired parameterization of all accelerator data on forward proton-proton and antiproton-proton scattering amplitudes. Using vector dominance and the additive quark model, we show that the same parameters also fit gamma p and gamma gamma interactions. Using the high energy predictions of our model, alo...
[ { "created": "Wed, 22 Mar 2000 21:05:57 GMT", "version": "v1" } ]
2007-05-23
[ [ "Block", "M. M.", "" ], [ "Halzen", "F.", "" ], [ "Pancheri", "G.", "" ], [ "Stanev", "T.", "" ] ]
We make a QCD-inspired parameterization of all accelerator data on forward proton-proton and antiproton-proton scattering amplitudes. Using vector dominance and the additive quark model, we show that the same parameters also fit gamma p and gamma gamma interactions. Using the high energy predictions of our model, along...
1009.5707
C\'edric Lorc\'e
C\'edric Lorc\'e and Barbara Pasquini
Generalized Transverse-Momentum Dependent Parton Distributions in Light-Cone Quark Models
Proceedings for the "Light Cone 2010 Relativistic Hadronic and Particle Physics" workshop, 3 Figs, 8pp
PoS LC2010:057,2010
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the general formalism for the calculation in light-cone quark models of the fully unintegrated, off-diagonal quark-quark correlator of the nucleon. The corresponding distributions in impact parameter space are the Wigner or phase-space distributions. The results obtained in two different light-cone quark m...
[ { "created": "Tue, 28 Sep 2010 21:50:07 GMT", "version": "v1" } ]
2011-03-10
[ [ "Lorcé", "Cédric", "" ], [ "Pasquini", "Barbara", "" ] ]
We discuss the general formalism for the calculation in light-cone quark models of the fully unintegrated, off-diagonal quark-quark correlator of the nucleon. The corresponding distributions in impact parameter space are the Wigner or phase-space distributions. The results obtained in two different light-cone quark mod...
1004.4452
Andrej El
Andrej El, Zhe Xu, Carsten Greiner
Third-order dissipative hydrodynamics from the entropy principle
5 pages 2 figures. To appear in the proceedings of the 26th Winter Workshop on Nuclear Dynamics (2010)
J.Phys.Conf.Ser.230:012046,2010
10.1088/1742-6596/230/1/012046
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review the entropy based derivation of third-order hydrodynamic equations and compare their solutions in one-dimensional boost-invariant geometry with calculations by the partonic cascade BAMPS. We demonstrate that Grad's approximation, which underlies the derivation of both Israel-Stewart and third-order equation...
[ { "created": "Mon, 26 Apr 2010 09:42:42 GMT", "version": "v1" } ]
2014-11-20
[ [ "El", "Andrej", "" ], [ "Xu", "Zhe", "" ], [ "Greiner", "Carsten", "" ] ]
We review the entropy based derivation of third-order hydrodynamic equations and compare their solutions in one-dimensional boost-invariant geometry with calculations by the partonic cascade BAMPS. We demonstrate that Grad's approximation, which underlies the derivation of both Israel-Stewart and third-order equations,...
1110.0004
Christopher Lee
Andrew Hornig, Christopher Lee, Jonathan R. Walsh, and Saba Zuberi
Double Non-Global Logarithms In-N-Out of Jets
19 pages, 10 figures. v2: minor edits, additional discussion in Introduction. v3: version published in JHEP
JHEP 1201:149,2012
10.1007/JHEP01(2012)149
MIT-CTP 4302, INT-PUB-11-043
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We derive the leading non-global logarithms (NGLs) of ratios of jet masses m_{1,2} and a jet energy veto \Lambda due to soft gluons splitting into regions in and out of jets. Such NGLs appear in any exclusive jet cross section with multiple jet measurements or with a veto imposed on additional jets. Here, we consider...
[ { "created": "Fri, 30 Sep 2011 20:00:06 GMT", "version": "v1" }, { "created": "Fri, 28 Oct 2011 18:56:55 GMT", "version": "v2" }, { "created": "Sat, 7 Apr 2012 04:42:07 GMT", "version": "v3" } ]
2015-05-30
[ [ "Hornig", "Andrew", "" ], [ "Lee", "Christopher", "" ], [ "Walsh", "Jonathan R.", "" ], [ "Zuberi", "Saba", "" ] ]
We derive the leading non-global logarithms (NGLs) of ratios of jet masses m_{1,2} and a jet energy veto \Lambda due to soft gluons splitting into regions in and out of jets. Such NGLs appear in any exclusive jet cross section with multiple jet measurements or with a veto imposed on additional jets. Here, we consider b...
1203.4059
Kohei Kamada
Kohei Kamada, Tsutomu Kobayashi, Tomo Takahashi, Masahide Yamaguchi, Jun'ichi Yokoyama
Generalized Higgs inflation
9 pages; v2, references added; v3, published version
null
10.1103/PhysRevD.86.023504
DESY 12-043; RESCEU-4/12
hep-ph astro-ph.CO gr-qc
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study Higgs inflation in the context of generalized G-inflation, i.e. the most general single-field inflation model with second-order field equations. The four variants of Higgs inflation proposed so far in the literature can be accommodated at one time in our framework. We also propose yet another class of Higgs ...
[ { "created": "Mon, 19 Mar 2012 09:13:00 GMT", "version": "v1" }, { "created": "Wed, 4 Apr 2012 01:57:40 GMT", "version": "v2" }, { "created": "Thu, 12 Jul 2012 15:46:16 GMT", "version": "v3" } ]
2013-05-30
[ [ "Kamada", "Kohei", "" ], [ "Kobayashi", "Tsutomu", "" ], [ "Takahashi", "Tomo", "" ], [ "Yamaguchi", "Masahide", "" ], [ "Yokoyama", "Jun'ichi", "" ] ]
We study Higgs inflation in the context of generalized G-inflation, i.e. the most general single-field inflation model with second-order field equations. The four variants of Higgs inflation proposed so far in the literature can be accommodated at one time in our framework. We also propose yet another class of Higgs in...
hep-ph/0306242
Francesco Vissani
Charanjit S. Aulakh, Borut Bajc, Alejandra Melfo, Goran Senjanovic, Francesco Vissani
The minimal supersymmetric grand unified theory
4 pages
Phys.Lett.B588:196-202,2004
10.1016/j.physletb.2004.03.031
null
hep-ph
null
We show that the minimal renormalizable supersymmetric SO(10) GUT with the usual three generations of spinors has a Higgs sector consisting only of a "light" 10-dimensional and "heavy" 126, 126-bar and 210 supermultiplets. The theory has only two sets of Yukawa couplings with fifteen real parameters and ten real para...
[ { "created": "Tue, 24 Jun 2003 18:04:47 GMT", "version": "v1" } ]
2011-02-09
[ [ "Aulakh", "Charanjit S.", "" ], [ "Bajc", "Borut", "" ], [ "Melfo", "Alejandra", "" ], [ "Senjanovic", "Goran", "" ], [ "Vissani", "Francesco", "" ] ]
We show that the minimal renormalizable supersymmetric SO(10) GUT with the usual three generations of spinors has a Higgs sector consisting only of a "light" 10-dimensional and "heavy" 126, 126-bar and 210 supermultiplets. The theory has only two sets of Yukawa couplings with fifteen real parameters and ten real parame...
hep-ph/0507167
Dremin
I.M. Dremin
Ring-like events: Cherenkov gluons or Mach waves?
12 pages, 5 figures, LATEX, misprint corrected
Nucl.Phys.A767:233-247,2006
10.1016/j.nuclphysa.2005.12.015
null
hep-ph
null
Similar to electromagnetic forces, strong interactions might induce such collective effects as Cherenkov and Mach waves. Their conical structure would be responsible for specific ring-like events. The theoretical and experimental arguments in favor of these phenomena are discussed and their most important features ar...
[ { "created": "Thu, 14 Jul 2005 09:29:37 GMT", "version": "v1" }, { "created": "Wed, 27 Jul 2005 10:03:13 GMT", "version": "v2" }, { "created": "Tue, 2 Aug 2005 08:43:31 GMT", "version": "v3" }, { "created": "Mon, 22 Aug 2005 09:05:27 GMT", "version": "v4" }, { "cr...
2008-11-26
[ [ "Dremin", "I. M.", "" ] ]
Similar to electromagnetic forces, strong interactions might induce such collective effects as Cherenkov and Mach waves. Their conical structure would be responsible for specific ring-like events. The theoretical and experimental arguments in favor of these phenomena are discussed and their most important features are ...
2312.15442
Jiang Yan
Jiang Yan, Xing-Gang Wu, Zhi-Fei Wu, Jing-Hao Shan, Hua Zhou
Reanalysis of the top-quark pair production via the $e^+ e^-$ annihilation near the threshold region up to N$^3$LO QCD corrections
10 pages, 6 figures
null
10.1016/j.physletb.2024.138664
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this paper, we present an improved analysis of the top-quark pair production via the process $e^{+}e^{-}\to \gamma^{*}\to t\bar{t}$ near the threshold region up to next-to-next-to-next-to-leading order (N$^3$LO) QCD corrections. Near the threshold region, the top-quark velocity $v$ tends to zero, leading to Coulom...
[ { "created": "Sun, 24 Dec 2023 09:26:04 GMT", "version": "v1" }, { "created": "Tue, 30 Jan 2024 04:07:41 GMT", "version": "v2" }, { "created": "Wed, 17 Apr 2024 07:34:57 GMT", "version": "v3" } ]
2024-04-25
[ [ "Yan", "Jiang", "" ], [ "Wu", "Xing-Gang", "" ], [ "Wu", "Zhi-Fei", "" ], [ "Shan", "Jing-Hao", "" ], [ "Zhou", "Hua", "" ] ]
In this paper, we present an improved analysis of the top-quark pair production via the process $e^{+}e^{-}\to \gamma^{*}\to t\bar{t}$ near the threshold region up to next-to-next-to-next-to-leading order (N$^3$LO) QCD corrections. Near the threshold region, the top-quark velocity $v$ tends to zero, leading to Coulomb ...
hep-ph/9805454
Choi Myoung-Taek
Myoung-Taek Choi and Jae Kwan Kim (Korea Advanced Institute of Science and Technology, Korea)
Determination of $|V_{cb}|$ from the polarization of vector meson in the semileptonic decay of $B$ and $B_c$ meson
11 pages, RevTeX
Phys.Lett.B419:377-380,1998
10.1016/S0370-2693(97)01480-9
null
hep-ph
null
Since the degree of polarization of the vector particle in semileptonic decay strongly influences the decay width of the particles, it can be used as a measure of CKM matrix elements. We show that |V_{cb}| can be determined from the measurement of polarization of vector meson in B,B_c --> V l nu decay, where $V$ is v...
[ { "created": "Tue, 26 May 1998 05:38:55 GMT", "version": "v1" } ]
2010-11-23
[ [ "Choi", "Myoung-Taek", "", "Korea Advanced Institute of Science\n and Technology, Korea" ], [ "Kim", "Jae Kwan", "", "Korea Advanced Institute of Science\n and Technology, Korea" ] ]
Since the degree of polarization of the vector particle in semileptonic decay strongly influences the decay width of the particles, it can be used as a measure of CKM matrix elements. We show that |V_{cb}| can be determined from the measurement of polarization of vector meson in B,B_c --> V l nu decay, where $V$ is vec...
1410.1070
Mikhail Krivoruchenko
M. I. Krivoruchenko
$\pi_{e3}$ form factor $f_{-}$ near the mass shell
14 pages latex, 1 figure, 1 table, new references added, minor style changes, accepted for publication in Advances in High Energy Physics
Advances in High Energy Physics, Volume 2015 (2015), Article ID 656239, 9 pages
10.1155/2015/656239
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The generalized Ward-Takahashi identity (gWTI) in the pion sector for broken isotopic symmetry is derived and used for the model-independent calculation of the longitudinal form factor $f_{-}$ of the $\pi_{e3}$ vector vertex. The on-shell $f_{-}$ is found to be proportional to the mass difference of the pions and the...
[ { "created": "Sat, 4 Oct 2014 17:54:34 GMT", "version": "v1" }, { "created": "Mon, 18 May 2015 13:00:14 GMT", "version": "v2" } ]
2015-06-01
[ [ "Krivoruchenko", "M. I.", "" ] ]
The generalized Ward-Takahashi identity (gWTI) in the pion sector for broken isotopic symmetry is derived and used for the model-independent calculation of the longitudinal form factor $f_{-}$ of the $\pi_{e3}$ vector vertex. The on-shell $f_{-}$ is found to be proportional to the mass difference of the pions and the d...
hep-ph/0407332
Felipe J. Llanes-Estrada
Felipe J. Llanes-Estrada (Complutense Madrid), Christian S. Fischer (IPPP Durham), Reinhard Alkofer (Tubingen)
Semiperturbative construction for the quark-gluon vertex
4 pages. Talk at QCD04, Montpellier July 5th 2004
null
null
UNITU-THEP-8/04, IPPP/04/43, DCPT/04/86
hep-ph
null
We construct a model for the quark-gluon vertex of Landau gauge QCD. This is of twofold interest: on the one hand the quark-gluon interaction is at the heart of quark confinement, on the other hand it is a central element in hadron phenomenology based on QCD Greens functions. We employ the non-Abelian one-loop diagra...
[ { "created": "Thu, 29 Jul 2004 15:38:39 GMT", "version": "v1" } ]
2007-05-23
[ [ "Llanes-Estrada", "Felipe J.", "", "Complutense Madrid" ], [ "Fischer", "Christian S.", "", "IPPP Durham" ], [ "Alkofer", "Reinhard", "", "Tubingen" ] ]
We construct a model for the quark-gluon vertex of Landau gauge QCD. This is of twofold interest: on the one hand the quark-gluon interaction is at the heart of quark confinement, on the other hand it is a central element in hadron phenomenology based on QCD Greens functions. We employ the non-Abelian one-loop diagram ...
2311.06452
Yoshimasa Kurihara
Hieu Minh Tran, Huong Thu Nguyen, Yoshimasa Kurihara
Two Higgs doublet model fitting and $t\bar{t}b\bar{b}$ signal at the ILC
20 pages, 8 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
One of the most straightforward extensions of the standard model (SM) is having an additional Higgs doublet to the SM, namely the two Higgs doublet models(THDM). In the type-I model, an additional Higgs doublet is introduced that does not couple to any fermion via the Yukawa interaction. Considering various theoretic...
[ { "created": "Sat, 11 Nov 2023 01:08:22 GMT", "version": "v1" } ]
2023-11-14
[ [ "Tran", "Hieu Minh", "" ], [ "Nguyen", "Huong Thu", "" ], [ "Kurihara", "Yoshimasa", "" ] ]
One of the most straightforward extensions of the standard model (SM) is having an additional Higgs doublet to the SM, namely the two Higgs doublet models(THDM). In the type-I model, an additional Higgs doublet is introduced that does not couple to any fermion via the Yukawa interaction. Considering various theoretical...
hep-ph/9703311
Kingman Cheung
V. Barger, Kingman Cheung, K. Hagiwara, D. Zeppenfeld
Contact Interactions and high-Q2 events in e^+ p collisions at HERA
RevTex, 12 pages, 4 figures. Slight changes in Figs.2 and 3
Phys.Lett.B404:147-152,1997
10.1016/S0370-2693(97)00517-0
MADPH-97-991
hep-ph
null
We consider $e e q q$ contact interactions as a possible origin of an excess of events above Standard Model predictions in $e^+ p \to e^+ jet$ at high $Q^2$ observed by the H1 and ZEUS collaborations at HERA. The HERA data prefer chirality RL or LR contact terms and atomic physics parity violation measurements severe...
[ { "created": "Thu, 13 Mar 1997 02:46:51 GMT", "version": "v1" }, { "created": "Mon, 31 Mar 1997 21:41:19 GMT", "version": "v2" } ]
2016-09-06
[ [ "Barger", "V.", "" ], [ "Cheung", "Kingman", "" ], [ "Hagiwara", "K.", "" ], [ "Zeppenfeld", "D.", "" ] ]
We consider $e e q q$ contact interactions as a possible origin of an excess of events above Standard Model predictions in $e^+ p \to e^+ jet$ at high $Q^2$ observed by the H1 and ZEUS collaborations at HERA. The HERA data prefer chirality RL or LR contact terms and atomic physics parity violation measurements severely...
hep-ph/0512178
Bhag C. Chauhan
S. Dev, Sanjeev Kumar and Surender Verma
Model Independent Constraints on Non-electronic Flavors in the Solar Boron Neutrino Flux
8 pages and no figure
Mod.Phys.Lett.A21:1761-1768,2006
10.1142/S021773230602024X
null
hep-ph
null
We perform the most general model independent analysis of the latest 391-Day Salt Phase SNO Data Set incorporating the Super-Kamiokande ES flux measurement and obtain bounds on the antineutrino and sterile neutrino flux in the solar $^{8}$B neutrino flux reaching the detectors on the earth. The muon/ tauon antineutri...
[ { "created": "Wed, 14 Dec 2005 10:54:28 GMT", "version": "v1" } ]
2010-11-05
[ [ "Dev", "S.", "" ], [ "Kumar", "Sanjeev", "" ], [ "Verma", "Surender", "" ] ]
We perform the most general model independent analysis of the latest 391-Day Salt Phase SNO Data Set incorporating the Super-Kamiokande ES flux measurement and obtain bounds on the antineutrino and sterile neutrino flux in the solar $^{8}$B neutrino flux reaching the detectors on the earth. The muon/ tauon antineutrino...
1011.4944
James Barnard
James Barnard
Solitonic supersymmetry restoration
17 pages, 3 figures, minor comments added, accepted for publication in JHEP
JHEP 1101:101,2011
10.1007/JHEP01(2011)101
DCPT-10/63
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Q-balls are a possible feature of any model with a conserved, global U(1) symmetry and no massless, charged scalars. It is shown that for a broad class of models of metastable supersymmetry breaking they are extremely influential on the vacuum lifetime and make seemingly viable vacua catastrophically short lived. A n...
[ { "created": "Mon, 22 Nov 2010 21:00:06 GMT", "version": "v1" }, { "created": "Wed, 12 Jan 2011 12:06:10 GMT", "version": "v2" } ]
2015-03-17
[ [ "Barnard", "James", "" ] ]
Q-balls are a possible feature of any model with a conserved, global U(1) symmetry and no massless, charged scalars. It is shown that for a broad class of models of metastable supersymmetry breaking they are extremely influential on the vacuum lifetime and make seemingly viable vacua catastrophically short lived. A net...
hep-ph/0407311
Robert Thorne S.
R.S. Thorne, A.D. Martin, R.G. Roberts and W.J. Stirling
Update of MRST Parton Distributions
To appear in proceedings of "DIS 2004: XII International Workshop on Deep Inelatic Scattering" (Strbske Pleso, Slovakia, April 2004). 6 pages, 3 figures
null
null
Cavendish-HEP-04/22
hep-ph
null
I present a brief summary of the most important updates in the MRST determinations of the NLO and NNLO parton distributions. I concentrate on uncertainties due to input assumptions and possible theoretical corrections, particularly isospin violation, QED corrections, NNLO and corrections at low Q^2 and small x.
[ { "created": "Tue, 27 Jul 2004 16:45:33 GMT", "version": "v1" } ]
2007-05-23
[ [ "Thorne", "R. S.", "" ], [ "Martin", "A. D.", "" ], [ "Roberts", "R. G.", "" ], [ "Stirling", "W. J.", "" ] ]
I present a brief summary of the most important updates in the MRST determinations of the NLO and NNLO parton distributions. I concentrate on uncertainties due to input assumptions and possible theoretical corrections, particularly isospin violation, QED corrections, NNLO and corrections at low Q^2 and small x.
0803.0495
Yasaman Farzan
Yasaman Farzan, Alexei Yu Smirnov
Coherence and oscillations of cosmic neutrinos
31 pages; A discussion on "coherent broadening" is added
Nucl.Phys.B805:356-376,2008
10.1016/j.nuclphysb.2008.07.028
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
For cosmic neutrinos we study the conditions and the effects of the coherence loss as well as coherent broadening of the spectrum. We evaluate the width of the neutrino wavepacket produced by charged particles under various circumstances: in an interaction-free environment, in a radiation-dominated medium (typical of...
[ { "created": "Tue, 4 Mar 2008 16:54:25 GMT", "version": "v1" }, { "created": "Mon, 1 Sep 2008 10:13:49 GMT", "version": "v2" } ]
2008-11-26
[ [ "Farzan", "Yasaman", "" ], [ "Smirnov", "Alexei Yu", "" ] ]
For cosmic neutrinos we study the conditions and the effects of the coherence loss as well as coherent broadening of the spectrum. We evaluate the width of the neutrino wavepacket produced by charged particles under various circumstances: in an interaction-free environment, in a radiation-dominated medium (typical of t...
1808.09255
Maryam Soleymaninia
Alireza Mohamaditabar, F. Taghavi-Shahri, Hamzeh Khanpour and Maryam Soleymaninia
Determination of contributions from residual light charged hadrons to inclusive charged hadrons from $e^+e^-$ annihilation data
29 pages, 8 Tables and 7 figures, Accepted for publication in European Physical Journal A
Eur. Phys. J. A 55 (2019) 185
10.1140/epja/i2019-12881-4
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we present an extraction of the contribution from the "{\it residual}" light charged hadrons to the inclusive unidentified light charged hadron fragmentation functions (FFs) at next-to-leading (NLO) and, for the first time, at next-to-next-to-leading order (NNLO) accuracy in perturbative QCD. Consideri...
[ { "created": "Tue, 28 Aug 2018 12:42:58 GMT", "version": "v1" }, { "created": "Mon, 7 Jan 2019 10:11:11 GMT", "version": "v2" }, { "created": "Sun, 6 Oct 2019 09:07:27 GMT", "version": "v3" } ]
2019-10-23
[ [ "Mohamaditabar", "Alireza", "" ], [ "Taghavi-Shahri", "F.", "" ], [ "Khanpour", "Hamzeh", "" ], [ "Soleymaninia", "Maryam", "" ] ]
In this paper, we present an extraction of the contribution from the "{\it residual}" light charged hadrons to the inclusive unidentified light charged hadron fragmentation functions (FFs) at next-to-leading (NLO) and, for the first time, at next-to-next-to-leading order (NNLO) accuracy in perturbative QCD. Considering...
2308.05607
Zuowei Liu
Mingxuan Du, Rundong Fang, Zuowei Liu, Wenxi Lu, Zicheng Ye
Probing invisible dark photon models via atmospheric collisions
6 pages, 2 figures
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Atmospheric collisions can copiously produce dark sector particles in the invisible dark photon model, leading to detectable signals in underground neutrino detectors. We consider the dark photon model with the mass mixing mechanism and use the Super-K detector to detect the electron recoil events caused by the atmos...
[ { "created": "Thu, 10 Aug 2023 14:36:58 GMT", "version": "v1" } ]
2023-08-11
[ [ "Du", "Mingxuan", "" ], [ "Fang", "Rundong", "" ], [ "Liu", "Zuowei", "" ], [ "Lu", "Wenxi", "" ], [ "Ye", "Zicheng", "" ] ]
Atmospheric collisions can copiously produce dark sector particles in the invisible dark photon model, leading to detectable signals in underground neutrino detectors. We consider the dark photon model with the mass mixing mechanism and use the Super-K detector to detect the electron recoil events caused by the atmosph...
1804.11211
Luciano Petruzziello
M. Blasone, G. Lambiase, G. G. Luciano and L. Petruzziello
Neutrino mixing and General Covariance in the inverse beta decay
null
null
10.22323/1.318.0198
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review recent developments on the role of neutrino mixing in the inverse beta decay of accelerated protons. We show that calculations in the inertial and comoving frames agree (thus preserving General Covariance) only when taking neutrino asymptotic states to be flavor (rather than mass) eigenstates. Our conclusio...
[ { "created": "Fri, 27 Apr 2018 14:03:38 GMT", "version": "v1" } ]
2018-08-27
[ [ "Blasone", "M.", "" ], [ "Lambiase", "G.", "" ], [ "Luciano", "G. G.", "" ], [ "Petruzziello", "L.", "" ] ]
We review recent developments on the role of neutrino mixing in the inverse beta decay of accelerated protons. We show that calculations in the inertial and comoving frames agree (thus preserving General Covariance) only when taking neutrino asymptotic states to be flavor (rather than mass) eigenstates. Our conclusions...
hep-ph/0607316
Thorsten Ewerth
H.M. Asatrian (Yerevan Phys. Inst.), T. Ewerth (Bern U.), A. Ferroglia (Freiburg U.), P. Gambino (INFN, Turin & Turin U.), C. Greub (Bern U.)
Magnetic dipole operator contributions to the photon energy spectrum in anti-B -> X(s) gamma at O(alpha(s)^2)
18 pages, uses axodraw.sty
Nucl.Phys.B762:212-228,2007
10.1016/j.nuclphysb.2006.11.002
Freiburg-THEP 06/11, DFTT-13/2006
hep-ph
null
We compute the O(\alpha_s^2) contributions to the photon energy spectrum of the inclusive decay \bar{B} -> X_s \gamma associated with the magnetic penguin operator O_7. They are an essential part of the ongoing NNLO calculation of this important decay. We use two different methods to evaluate the master integrals, on...
[ { "created": "Fri, 28 Jul 2006 13:08:54 GMT", "version": "v1" } ]
2008-11-26
[ [ "Asatrian", "H. M.", "", "Yerevan Phys. Inst." ], [ "Ewerth", "T.", "", "Bern U." ], [ "Ferroglia", "A.", "", "Freiburg U." ], [ "Gambino", "P.", "", "INFN, Turin & Turin U." ], [ "Greub", "C.", "", "Bern U." ] ]
We compute the O(\alpha_s^2) contributions to the photon energy spectrum of the inclusive decay \bar{B} -> X_s \gamma associated with the magnetic penguin operator O_7. They are an essential part of the ongoing NNLO calculation of this important decay. We use two different methods to evaluate the master integrals, one ...
1712.00187
Sa\'ul Hern\'andez Ortiz Ph.D
A. Ayala, J. A. Flores, L. A. Hernandez and S. Hernandez-Ortiz
Locating the critical end point using the linear sigma model coupled to quarks
8 pages, 2 figures, conference paper from ISMD 2017
null
10.1051/epjconf/201817202003
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use the linear sigma model coupled to quarks to compute the effective potential beyond the mean field approximation, including the contribution of the ring diagrams at finite temperature and baryon density. We determine the model couplings and use them to study the phase diagram in the baryon chemical potential-te...
[ { "created": "Fri, 1 Dec 2017 04:39:56 GMT", "version": "v1" } ]
2018-03-14
[ [ "Ayala", "A.", "" ], [ "Flores", "J. A.", "" ], [ "Hernandez", "L. A.", "" ], [ "Hernandez-Ortiz", "S.", "" ] ]
We use the linear sigma model coupled to quarks to compute the effective potential beyond the mean field approximation, including the contribution of the ring diagrams at finite temperature and baryon density. We determine the model couplings and use them to study the phase diagram in the baryon chemical potential-temp...
hep-ph/9903224
Nima Arkani Hamed
Nima Arkani-Hamed, Savas Dimopoulos, Nemanja Kaloper and John March-Russell
Rapid Asymmetric Inflation and Early Cosmology in Theories with Sub-Millimeter Dimensions
47 pages, latex
Nucl.Phys. B567 (2000) 189-228
10.1016/S0550-3213(99)00667-7
CERN-TH/99-38, SLAC-PUB-8068, SU-ITP-98/68
hep-ph hep-th
null
It was recently pointed out that the fundamental Planck mass could be close to the TeV scale with the observed weakness of gravity at long distances being due the existence of new sub-millimeter spatial dimensions. In this picture the standard model fields are localized to a $(3+1)$-dimensional wall or ``3-brane''. W...
[ { "created": "Tue, 2 Mar 1999 21:37:16 GMT", "version": "v1" } ]
2009-10-31
[ [ "Arkani-Hamed", "Nima", "" ], [ "Dimopoulos", "Savas", "" ], [ "Kaloper", "Nemanja", "" ], [ "March-Russell", "John", "" ] ]
It was recently pointed out that the fundamental Planck mass could be close to the TeV scale with the observed weakness of gravity at long distances being due the existence of new sub-millimeter spatial dimensions. In this picture the standard model fields are localized to a $(3+1)$-dimensional wall or ``3-brane''. We ...
hep-ph/9802337
Daniel Enstrom
Daniel Enstrom
Astrophysical Aspects of Quark-Gluon Plasma
Latex, 75 pages, 19 postscript figures
null
null
ISSN:1402-1617, ISRN:LTU-EX--97/366--SE
hep-ph
null
This M.Sc. thesis in Engineering Physics is an overview of the present theory of quark-gluon plasma (QGP) as well as an analysis of the stability criterion for possible stable cosmic QGP objects left over from the quark-hadron transition in the early Universe. It covers fundamental ideas of the formation and decay of...
[ { "created": "Tue, 17 Feb 1998 14:12:41 GMT", "version": "v1" }, { "created": "Fri, 13 Mar 1998 07:30:12 GMT", "version": "v2" } ]
2007-05-23
[ [ "Enstrom", "Daniel", "" ] ]
This M.Sc. thesis in Engineering Physics is an overview of the present theory of quark-gluon plasma (QGP) as well as an analysis of the stability criterion for possible stable cosmic QGP objects left over from the quark-hadron transition in the early Universe. It covers fundamental ideas of the formation and decay of t...
1012.5099
Ze'ev Surujon
Masahiro Ibe, Arvind Rajaraman, Ze'ev Surujon
Does Supersymmetry Require Two Higgs Doublets?
v2: submitted to PLB
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss a new class of low energy supersymmetric models in which the Higgs sector includes a single doublet, for example H_u, but not H_d. Chiral gauge anomalies are canceled against new electroweak-charged states. We discuss the main challenges in building such models, and present several models where these issue...
[ { "created": "Wed, 22 Dec 2010 20:58:54 GMT", "version": "v1" }, { "created": "Wed, 16 Nov 2011 10:10:42 GMT", "version": "v2" } ]
2011-11-17
[ [ "Ibe", "Masahiro", "" ], [ "Rajaraman", "Arvind", "" ], [ "Surujon", "Ze'ev", "" ] ]
We discuss a new class of low energy supersymmetric models in which the Higgs sector includes a single doublet, for example H_u, but not H_d. Chiral gauge anomalies are canceled against new electroweak-charged states. We discuss the main challenges in building such models, and present several models where these issues ...
1902.05936
Adam Falkowski
Adam Falkowski and Riccardo Rattazzi
Which EFT
17 pages; v2: comments and references added, published version
null
10.1007/JHEP10(2019)255
LPT Orsay 19-05
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We classify effective field theory (EFT) deformations of the Standard Model (SM) according to the analyticity property of the Lagrangian as a function of the Higgs doublet H. Our distinction in analytic and non-analytic corresponds to the more familiar one between linearly and non-linearly realized electroweak symmet...
[ { "created": "Fri, 15 Feb 2019 18:36:42 GMT", "version": "v1" }, { "created": "Fri, 15 Nov 2019 13:33:42 GMT", "version": "v2" } ]
2020-01-08
[ [ "Falkowski", "Adam", "" ], [ "Rattazzi", "Riccardo", "" ] ]
We classify effective field theory (EFT) deformations of the Standard Model (SM) according to the analyticity property of the Lagrangian as a function of the Higgs doublet H. Our distinction in analytic and non-analytic corresponds to the more familiar one between linearly and non-linearly realized electroweak symmetry...
0707.3718
Janusz Rosiek
Athanasios Dedes, Howard E. Haber and Janusz Rosiek
Seesaw mechanism in the sneutrino sector and its consequences
69 pages, 5 figures, uses axodraw.sty. Version accepted for publication in JHEP: some comments and one more Appendix with additional discussion added, references updated
JHEP 0711:059,2007
10.1088/1126-6708/2007/11/059
IPPP-07-16, CPT-07-32, SCIPP-07/10
hep-ph
null
The seesaw-extended MSSM provides a framework in which the observed light neutrino masses and mixing angles can be generated in the context of a natural theory for the TeV-scale. Sneutrino-mixing phenomena provide valuable tools for connecting the physics of neutrinos and supersymmetry. We examine the theoretical str...
[ { "created": "Wed, 25 Jul 2007 11:57:25 GMT", "version": "v1" }, { "created": "Wed, 1 Aug 2007 09:27:39 GMT", "version": "v2" }, { "created": "Wed, 7 Nov 2007 21:57:11 GMT", "version": "v3" } ]
2009-01-06
[ [ "Dedes", "Athanasios", "" ], [ "Haber", "Howard E.", "" ], [ "Rosiek", "Janusz", "" ] ]
The seesaw-extended MSSM provides a framework in which the observed light neutrino masses and mixing angles can be generated in the context of a natural theory for the TeV-scale. Sneutrino-mixing phenomena provide valuable tools for connecting the physics of neutrinos and supersymmetry. We examine the theoretical struc...
2403.03252
Bibhushan Shakya
Gian F. Giudice, Hyun Min Lee, Alex Pomarol, Bibhushan Shakya
Nonthermal Heavy Dark Matter from a First-Order Phase Transition
41 pages, 3 figures
null
null
CERN-TH-2024-031, DESY-24-031
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study nonthermal production of heavy dark matter from the dynamics of the background scalar field during a first-order phase transition, predominantly from bubble collisions. In scenarios where bubble walls achieve runaway behavior and get boosted to very high energies, we find that it is possible to produce dark ...
[ { "created": "Tue, 5 Mar 2024 19:00:02 GMT", "version": "v1" } ]
2024-03-07
[ [ "Giudice", "Gian F.", "" ], [ "Lee", "Hyun Min", "" ], [ "Pomarol", "Alex", "" ], [ "Shakya", "Bibhushan", "" ] ]
We study nonthermal production of heavy dark matter from the dynamics of the background scalar field during a first-order phase transition, predominantly from bubble collisions. In scenarios where bubble walls achieve runaway behavior and get boosted to very high energies, we find that it is possible to produce dark ma...
0705.4264
Antonio Pich
Antonio Pich
The Standard Model of Electroweak Interactions
Updated version of the lectures given at the 2006 European School of High Energy Physics (Aronsborg, Sweden, 18 June - 1 July 2006) and at the 4th CERN - CLAF School of High Energy Physics (Vina del Mar, Chile, 18 February - 3 March 2007). 50 pages, 36 figures
null
null
IFIC/07-27, FTUV/07-0529
hep-ph hep-ex
null
Gauge invariance is a powerful tool to determine the dynamics of the electroweak and strong forces. The particle content, structure and symmetries of the Standard Model Lagrangian are discussed. Special emphasis is given to the many phenomenological tests which have established this theoretical framework as the Stand...
[ { "created": "Tue, 29 May 2007 18:09:11 GMT", "version": "v1" } ]
2007-06-13
[ [ "Pich", "Antonio", "" ] ]
Gauge invariance is a powerful tool to determine the dynamics of the electroweak and strong forces. The particle content, structure and symmetries of the Standard Model Lagrangian are discussed. Special emphasis is given to the many phenomenological tests which have established this theoretical framework as the Standar...
1803.06885
Muhammad Jamil Aslam
Aqsa Nasrullah, M. Jamil Aslam and Saba Shafaq
Analysis of Angular Observables of $\Lambda_b \to \Lambda (\to p\pi)\mu^{+}\mu^{-}$ Decay in Standard and $Z^{\prime}$ Models
28 pages, 4 figures, A version accepted for Publication in PTEP
Prog Theor Exp Phys (2018)
10.1093/ptep/pty043
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In 2015, the LHCb collaboration has measured $\frac{d{\mathcal{B}}}{dq^2}$, the lepton- and hadron-side forward-backward asymmetries, denoted by $A^\ell_{FB}$ and $A^{\Lambda}_{FB}$, respectively in the range $15 < q^2(=s) < 20$ GeV$^2$ with 3 fb$^{-1}$ of data. Motivated by these measurements, we perform an analysis...
[ { "created": "Mon, 19 Mar 2018 12:16:14 GMT", "version": "v1" } ]
2019-12-06
[ [ "Nasrullah", "Aqsa", "" ], [ "Aslam", "M. Jamil", "" ], [ "Shafaq", "Saba", "" ] ]
In 2015, the LHCb collaboration has measured $\frac{d{\mathcal{B}}}{dq^2}$, the lepton- and hadron-side forward-backward asymmetries, denoted by $A^\ell_{FB}$ and $A^{\Lambda}_{FB}$, respectively in the range $15 < q^2(=s) < 20$ GeV$^2$ with 3 fb$^{-1}$ of data. Motivated by these measurements, we perform an analysis o...
2004.08890
Simonetta Liuti
Brandon Kriesten and Simonetta Liuti
Theory of Deeply Virtual Compton Scattering off the Unpolarized Proton
22 pages, 15 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the helicity amplitudes formalism, we study deeply virtual exclusive electron photo-production off an unpolarized nucleon target, $ep \rightarrow e' p' \gamma$, through a range of kinematics both in the fixed target setting with initial electron energies of 6 GeV, 11 GeV and 24 GeV, and for an electron ion coll...
[ { "created": "Sun, 19 Apr 2020 16:06:03 GMT", "version": "v1" }, { "created": "Wed, 4 Nov 2020 18:21:48 GMT", "version": "v2" }, { "created": "Wed, 19 May 2021 04:12:21 GMT", "version": "v3" }, { "created": "Fri, 19 Nov 2021 22:20:35 GMT", "version": "v4" } ]
2021-11-23
[ [ "Kriesten", "Brandon", "" ], [ "Liuti", "Simonetta", "" ] ]
Using the helicity amplitudes formalism, we study deeply virtual exclusive electron photo-production off an unpolarized nucleon target, $ep \rightarrow e' p' \gamma$, through a range of kinematics both in the fixed target setting with initial electron energies of 6 GeV, 11 GeV and 24 GeV, and for an electron ion collid...
1408.2500
Michal Czakon
M. Czakon and D. Heymes
Four-dimensional formulation of the sector-improved residue subtraction scheme
60 pages, 5 figures, 9 tables
null
10.1016/j.nuclphysb.2014.11.006
TTK-14-16
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Four years ago, one of us introduced a novel subtraction scheme for the evaluation of double-real radiation contributions to cross sections at next-to-next-to-leading order (NNLO) in QCD. This approach, named SecToR Improved Phase sPacE for Real radiation (STRIPPER), has already found several non-trivial applications...
[ { "created": "Mon, 11 Aug 2014 19:33:57 GMT", "version": "v1" } ]
2015-06-22
[ [ "Czakon", "M.", "" ], [ "Heymes", "D.", "" ] ]
Four years ago, one of us introduced a novel subtraction scheme for the evaluation of double-real radiation contributions to cross sections at next-to-next-to-leading order (NNLO) in QCD. This approach, named SecToR Improved Phase sPacE for Real radiation (STRIPPER), has already found several non-trivial applications. ...
2304.05643
Minoru Tanaka
Xiaolong Deng, Florentin Jaffredo, Minoru Tanaka
Rare Leptonic Processes Induced by Massless Dark Photon
13 pages, 4 figures, discussion on a UV model and 3 references added
null
10.1016/j.physletb.2023.138035
OU-HET-1182
hep-ph
http://creativecommons.org/licenses/by/4.0/
We introduce a dark photon considering a U(1) gauge extension of the standard model in particle physics. Provided that the extra U(1) symmetry is unbroken, the dark photon is massless and has no coupling to the standard electromagnetic current. Higher-dimensional operators describe interactions of the massless dark p...
[ { "created": "Wed, 12 Apr 2023 06:47:10 GMT", "version": "v1" }, { "created": "Fri, 16 Jun 2023 05:45:23 GMT", "version": "v2" } ]
2023-08-09
[ [ "Deng", "Xiaolong", "" ], [ "Jaffredo", "Florentin", "" ], [ "Tanaka", "Minoru", "" ] ]
We introduce a dark photon considering a U(1) gauge extension of the standard model in particle physics. Provided that the extra U(1) symmetry is unbroken, the dark photon is massless and has no coupling to the standard electromagnetic current. Higher-dimensional operators describe interactions of the massless dark pho...
hep-ph/9408344
Xinnian Wang
Xin-Nian Wang, Miklos Gyulassy and Michael Pl\"umer
The LPM effect in QCD and Radiative energy loss in a quark-gluon plasma
28 pages in REVTex, 4 figures in uuencoded files, LBL-35980
Phys.Rev.D51:3436-3446,1995
10.1103/PhysRevD.51.3436
null
hep-ph nucl-th
null
The non-abelian analog of the Landau-Pomeranchuk-Migdal effect is investigated in perturbative QCD. Extending our previous studies, the suppression of induced soft bremsstrahlung due to multiple scatterings of quarks in the spinor representation is considered. The effective formation time of gluon radiation due to th...
[ { "created": "Mon, 22 Aug 1994 18:00:35 GMT", "version": "v1" } ]
2009-10-09
[ [ "Wang", "Xin-Nian", "" ], [ "Gyulassy", "Miklos", "" ], [ "Plümer", "Michael", "" ] ]
The non-abelian analog of the Landau-Pomeranchuk-Migdal effect is investigated in perturbative QCD. Extending our previous studies, the suppression of induced soft bremsstrahlung due to multiple scatterings of quarks in the spinor representation is considered. The effective formation time of gluon radiation due to the ...
hep-ph/0601017
Xiang Liu
Xiang Liu, Yan-Ming Yu, Shu-Min Zhao and Xue-Qian Li
Study on Decays of $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ in terms of the CQM Model
12 pages, 2 figures, 4 tables, a few references added
Eur.Phys.J.C47:445-452,2006
10.1140/epjc/s2006-02564-0
null
hep-ph
null
Based on the assumption that $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ are the $(0^+, 1^+)$ chiral partners of $D_{s}$ and $D^*_s$, we evaluate the strong pionic and radiative decays of $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ in the Constituent Quark Meson (CQM) model. Our numerical results of the relative ratios of the de...
[ { "created": "Tue, 3 Jan 2006 14:50:15 GMT", "version": "v1" }, { "created": "Sat, 14 Jan 2006 15:10:42 GMT", "version": "v2" }, { "created": "Fri, 27 Jan 2006 03:03:59 GMT", "version": "v3" } ]
2009-01-07
[ [ "Liu", "Xiang", "" ], [ "Yu", "Yan-Ming", "" ], [ "Zhao", "Shu-Min", "" ], [ "Li", "Xue-Qian", "" ] ]
Based on the assumption that $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ are the $(0^+, 1^+)$ chiral partners of $D_{s}$ and $D^*_s$, we evaluate the strong pionic and radiative decays of $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ in the Constituent Quark Meson (CQM) model. Our numerical results of the relative ratios of the deca...
hep-ph/0009140
Gregory Moreau
G. Moreau
Single chargino production at linear colliders
24 pages, Latex file. Linear Collider note LC-TH-2000-040
null
null
T00/129
hep-ph
null
We study the single chargino production $e^+ e^- \to \tilde \chi^{\pm} \mu^{\mp}$ at linear colliders which occurs through the $\l_{121}$ R-parity violating coupling constant. We focus on the final state containing 4 leptons and some missing energy. The largest background is \susyq and can be reduced using the initia...
[ { "created": "Tue, 12 Sep 2000 11:18:49 GMT", "version": "v1" } ]
2007-05-23
[ [ "Moreau", "G.", "" ] ]
We study the single chargino production $e^+ e^- \to \tilde \chi^{\pm} \mu^{\mp}$ at linear colliders which occurs through the $\l_{121}$ R-parity violating coupling constant. We focus on the final state containing 4 leptons and some missing energy. The largest background is \susyq and can be reduced using the initial ...
hep-ph/0211436
Gerasyuta S. M.
S.M. Gerasyuta, V.I. Kochkin
Relativistic quark model and pentaquark spectroscopy
22 pages, pdf
Int.J.Mod.Phys. E12 (2003) 793-808
10.1142/S0218301303001582
null
hep-ph
null
The relativistic five-quark equations are found in the framework of the dispersion relation technique. The solutions of these equations using the method based on the extraction of leading singularities of the amplitudes are obtained. The five-quark amplitudes for the low-lying pentaquarks are calculated under the con...
[ { "created": "Wed, 27 Nov 2002 18:49:21 GMT", "version": "v1" } ]
2009-11-07
[ [ "Gerasyuta", "S. M.", "" ], [ "Kochkin", "V. I.", "" ] ]
The relativistic five-quark equations are found in the framework of the dispersion relation technique. The solutions of these equations using the method based on the extraction of leading singularities of the amplitudes are obtained. The five-quark amplitudes for the low-lying pentaquarks are calculated under the condi...
1402.4735
Daniel Whiteson
Pierre Baldi, Peter Sadowski, Daniel Whiteson
Searching for Exotic Particles in High-Energy Physics with Deep Learning
Accepted by Nature Communications. Added link to deep learning code
null
10.1038/ncomms5308
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Collisions at high-energy particle colliders are a traditionally fruitful source of exotic particle discoveries. Finding these rare particles requires solving difficult signal-versus-background classification problems, hence machine learning approaches are often used. Standard approaches have relied on `shallow' mach...
[ { "created": "Wed, 19 Feb 2014 17:20:08 GMT", "version": "v1" }, { "created": "Thu, 5 Jun 2014 16:59:45 GMT", "version": "v2" } ]
2015-06-18
[ [ "Baldi", "Pierre", "" ], [ "Sadowski", "Peter", "" ], [ "Whiteson", "Daniel", "" ] ]
Collisions at high-energy particle colliders are a traditionally fruitful source of exotic particle discoveries. Finding these rare particles requires solving difficult signal-versus-background classification problems, hence machine learning approaches are often used. Standard approaches have relied on `shallow' machin...
1105.2073
Gordan Krnjaic
David E. Kaplan, Gordan Z. Krnjaic, Keith R. Rehermann, Christopher M. Wells
Dark Atoms: Asymmetry and Direct Detection
17 pages, 3 figures, expanded discussion of light degrees of freedom, minor typos corrected, to appear in JCAP
null
10.1088/1475-7516/2011/10/011
null
hep-ph astro-ph.CO astro-ph.GA
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a simple UV completion of Atomic Dark Matter (aDM) in which heavy right-handed neutrinos decay to induce both dark and lepton number densities. This model addresses several outstanding cosmological problems: the matter/anti-matter asymmetry, the dark matter abundance, the number of light degrees of freedom...
[ { "created": "Tue, 10 May 2011 23:24:50 GMT", "version": "v1" }, { "created": "Tue, 7 Jun 2011 20:30:00 GMT", "version": "v2" }, { "created": "Tue, 27 Sep 2011 00:47:45 GMT", "version": "v3" } ]
2015-05-28
[ [ "Kaplan", "David E.", "" ], [ "Krnjaic", "Gordan Z.", "" ], [ "Rehermann", "Keith R.", "" ], [ "Wells", "Christopher M.", "" ] ]
We present a simple UV completion of Atomic Dark Matter (aDM) in which heavy right-handed neutrinos decay to induce both dark and lepton number densities. This model addresses several outstanding cosmological problems: the matter/anti-matter asymmetry, the dark matter abundance, the number of light degrees of freedom i...
2012.02940
Dian-Yong Chen
Qi Wu, Dian-Yong Chen, Takayuki Matsuki
$D$ wave bottomonia production from $Z_b^{(\prime)}$ decay
9 pages, 5 figures, accepted for publication in the Phys.Rev.D
Phys. Rev. D 102, 114037 (2020)
10.1103/PhysRevD.102.114037
null
hep-ph
http://creativecommons.org/publicdomain/zero/1.0/
In the present work, we investigate the dipion transitions between $\Upsilon(5S)$ and $\Upsilon_J(1D)$ with $J=1, 2, 3$. Our analysis indicates that the dominant sources of the anomalously large widths of $\Upsilon(5S)\to \Upsilon_J(1D) \pi^+ \pi^-$ should be $Z_b^{(\prime)}$, i.e., the dipion transitions occur via t...
[ { "created": "Sat, 5 Dec 2020 03:34:50 GMT", "version": "v1" } ]
2021-01-04
[ [ "Wu", "Qi", "" ], [ "Chen", "Dian-Yong", "" ], [ "Matsuki", "Takayuki", "" ] ]
In the present work, we investigate the dipion transitions between $\Upsilon(5S)$ and $\Upsilon_J(1D)$ with $J=1, 2, 3$. Our analysis indicates that the dominant sources of the anomalously large widths of $\Upsilon(5S)\to \Upsilon_J(1D) \pi^+ \pi^-$ should be $Z_b^{(\prime)}$, i.e., the dipion transitions occur via the...
1606.02157
Zhengliang Liang
Zheng-Liang Liang, Yue-Liang Wu, Zi-Qing Yang and Yu-Feng Zhou
On the evaporation of solar dark matter: spin-independent effective operators
With optimised calculation of the solar dark matter, matches published version
null
10.1088/1475-7516/2016/09/018
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
As a part of the effort to investigate the implications of dark matter (DM)-nucleon effective interactions on the solar DM detection, in this paper we focus on the evaporation of the solar DM for a set of the DM-nucleon spin-independent (SI) effective operators. In order to put the evaluation of the evaporation rate ...
[ { "created": "Tue, 7 Jun 2016 14:44:20 GMT", "version": "v1" }, { "created": "Mon, 20 Jun 2016 13:28:32 GMT", "version": "v2" }, { "created": "Sun, 18 Sep 2016 03:34:21 GMT", "version": "v3" } ]
2016-09-20
[ [ "Liang", "Zheng-Liang", "" ], [ "Wu", "Yue-Liang", "" ], [ "Yang", "Zi-Qing", "" ], [ "Zhou", "Yu-Feng", "" ] ]
As a part of the effort to investigate the implications of dark matter (DM)-nucleon effective interactions on the solar DM detection, in this paper we focus on the evaporation of the solar DM for a set of the DM-nucleon spin-independent (SI) effective operators. In order to put the evaluation of the evaporation rate on...
hep-ph/9704437
Carla Gobel Burlemaqui de Mello
Ignacio Bediaga, Carla Gobel and Ramon Mendez-Galain
A Phenomenological Analysis of Non-resonant Charm Meson Decays
14 pages, Latex including 6 eps figures
Phys.Rev. D56 (1997) 4268-4273
10.1103/PhysRevD.56.4268
null
hep-ph hep-ex
null
We analyse the consequences of the usual assumption of a constant function to fit non-resonant decays from experimental Dalitz plot describing charmed meson decays. We first show, using the $D^+\to \bar{K}^0\pi^+\pi^0$ decay channel as an example, how an inadequate extraction of the non-resonant contribution could yi...
[ { "created": "Tue, 29 Apr 1997 13:18:00 GMT", "version": "v1" } ]
2016-09-06
[ [ "Bediaga", "Ignacio", "" ], [ "Gobel", "Carla", "" ], [ "Mendez-Galain", "Ramon", "" ] ]
We analyse the consequences of the usual assumption of a constant function to fit non-resonant decays from experimental Dalitz plot describing charmed meson decays. We first show, using the $D^+\to \bar{K}^0\pi^+\pi^0$ decay channel as an example, how an inadequate extraction of the non-resonant contribution could yiel...
hep-ph/0002133
Judith McGovern
K. B. Vijaya Kumar, Judith A. McGovern and Michael C. Birse
Spin polarisabilities of the nucleon at NLO in the chiral expansion
8 pages, 2 figures, revtex. Minor typos corrected and reference added
Phys.Lett. B479 (2000) 167-172
10.1016/S0370-2693(00)00340-3
MC/TH 00/01
hep-ph nucl-th
null
We present a calculation of the fourth-order (NLO) contribution to spin-dependent Compton scattering in heavy-baryon chiral perturbation theory, and we give results for the four spin polarisabilities. No low-energy constants, except for the anomalous magnetic moments of the nucleon, enter at this order. For forward s...
[ { "created": "Fri, 11 Feb 2000 19:16:39 GMT", "version": "v1" }, { "created": "Thu, 16 Mar 2000 14:21:55 GMT", "version": "v2" } ]
2009-10-31
[ [ "Kumar", "K. B. Vijaya", "" ], [ "McGovern", "Judith A.", "" ], [ "Birse", "Michael C.", "" ] ]
We present a calculation of the fourth-order (NLO) contribution to spin-dependent Compton scattering in heavy-baryon chiral perturbation theory, and we give results for the four spin polarisabilities. No low-energy constants, except for the anomalous magnetic moments of the nucleon, enter at this order. For forward sca...
2312.11670
Gonzalo Herrera
Motoko Fujiwara, Gonzalo Herrera
Tidal Disruption Events and Dark Matter Scatterings with Neutrinos and Photons
Extended discussion on neutrino emission from TDEs; added references; matches published version in Phys.Lett.B
Phys.Lett.B (2024) 138573
10.1016/j.physletb.2024.138573
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Stars can be tidally disrupted when passing near a black hole, and the debris can induce a flux of high-energy neutrinos. It has been discussed that there are hints in IceCube data of high-energy neutrinos produced in Tidal Disruption Events. The emitting region of neutrinos and photons in these astrophysical events ...
[ { "created": "Mon, 18 Dec 2023 19:26:58 GMT", "version": "v1" }, { "created": "Sun, 17 Mar 2024 22:20:53 GMT", "version": "v2" } ]
2024-03-19
[ [ "Fujiwara", "Motoko", "" ], [ "Herrera", "Gonzalo", "" ] ]
Stars can be tidally disrupted when passing near a black hole, and the debris can induce a flux of high-energy neutrinos. It has been discussed that there are hints in IceCube data of high-energy neutrinos produced in Tidal Disruption Events. The emitting region of neutrinos and photons in these astrophysical events is...
hep-ph/0603014
Sannino Francesco
Sven Bjarke Gudnason, Chris Kouvaris, and Francesco Sannino (Bohr Institute)
Towards Working Technicolor: Effective Theories and Dark Matter
RevTeX, 17 pages, 2 figures. V2: more precise explanation of formula (33)
Phys.Rev. D73 (2006) 115003
10.1103/PhysRevD.73.115003
null
hep-ph
null
A fifth force, of technicolor type, responsible for breaking the electroweak theory is an intriguing extension of the Standard Model. Recently new theories have been shown to feature walking dynamics for a very low number of techniflavors and are not ruled out by electroweak precision measurements. We identify the li...
[ { "created": "Thu, 2 Mar 2006 15:42:53 GMT", "version": "v1" }, { "created": "Fri, 13 Oct 2006 23:41:39 GMT", "version": "v2" } ]
2007-05-23
[ [ "Gudnason", "Sven Bjarke", "", "Bohr\n Institute" ], [ "Kouvaris", "Chris", "", "Bohr\n Institute" ], [ "Sannino", "Francesco", "", "Bohr\n Institute" ] ]
A fifth force, of technicolor type, responsible for breaking the electroweak theory is an intriguing extension of the Standard Model. Recently new theories have been shown to feature walking dynamics for a very low number of techniflavors and are not ruled out by electroweak precision measurements. We identify the ligh...
2001.00698
Yuta Kikuchi
Dmitri E. Kharzeev and Yuta Kikuchi
Real-time chiral dynamics from a digital quantum simulation
13 pages, 6 figures; version accepted for Physical Review Research
Phys. Rev. Research 2, 023342 (2020)
10.1103/PhysRevResearch.2.023342
RBRC-1321
hep-ph hep-lat quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The chiral magnetic effect in a strong magnetic field can be described using the chiral anomaly in the $(1+1)$-dimensional massive Schwinger model with a time-dependent $\theta$-term. We perform a digital quantum simulation of the model at finite $\theta$-angle and vanishing gauge coupling using an IBM-Q digital quan...
[ { "created": "Fri, 3 Jan 2020 02:34:31 GMT", "version": "v1" }, { "created": "Fri, 24 Jan 2020 17:45:03 GMT", "version": "v2" }, { "created": "Fri, 15 May 2020 19:30:07 GMT", "version": "v3" }, { "created": "Tue, 16 Jun 2020 15:26:10 GMT", "version": "v4" } ]
2020-07-01
[ [ "Kharzeev", "Dmitri E.", "" ], [ "Kikuchi", "Yuta", "" ] ]
The chiral magnetic effect in a strong magnetic field can be described using the chiral anomaly in the $(1+1)$-dimensional massive Schwinger model with a time-dependent $\theta$-term. We perform a digital quantum simulation of the model at finite $\theta$-angle and vanishing gauge coupling using an IBM-Q digital quantu...
1409.7791
Norma Susana Mankoc Borstnik
Norma Susana Mankoc Borstnik
Can the spin-charge-family theory explain baryon number non conservation?
48 pages, in press in Phys. Rev. D, modified version of the talk in the Proceedings to the $17^th$ Workshop "What comes beyond the standard models", Bled, 20-28 of July, 2014
Phys. Rev. D 91, 065004 (2015)
10.1103/PhysRevD.91.065004
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The spin-charge-family theory, in which spinors carry besides the Dirac spin also the second kind of the Clifford object, no charges, is a kind of the Kaluza-Klein theories. The Dirac spinors of one Weyl representation in $d=(13+1)$ manifest in $d=(3+1)$ at low energies all the properties of quarks and leptons assume...
[ { "created": "Sat, 27 Sep 2014 10:39:19 GMT", "version": "v1" }, { "created": "Thu, 18 Dec 2014 11:25:52 GMT", "version": "v2" }, { "created": "Tue, 24 Feb 2015 14:17:49 GMT", "version": "v3" } ]
2015-03-11
[ [ "Borstnik", "Norma Susana Mankoc", "" ] ]
The spin-charge-family theory, in which spinors carry besides the Dirac spin also the second kind of the Clifford object, no charges, is a kind of the Kaluza-Klein theories. The Dirac spinors of one Weyl representation in $d=(13+1)$ manifest in $d=(3+1)$ at low energies all the properties of quarks and leptons assumed ...
0712.1901
Dimiter Stamenov
Elliot Leader, Alexander V. Sidorov, Dimiter B. Stamenov
Progress in the Determination of Polarized PDFs and Higher Twist
9 pages, 7 figures, to appear in the Proceedings of 12th Workshop on High Energy Spin Physics (DSPIN'07), Dubna, Russia, 3-7 Sept, 2007
null
null
null
hep-ph hep-ex
null
The impact of the recent very precise CLAS and COMPASS g1/F1 data on polarized parton densities and higher twist effects is discussed. It is demonstrated that the low Q^2 CLAS data improve essentially our knowledge of higher twist corrections to the spin structure function g1, while the large Q^2 COMPASS data influen...
[ { "created": "Wed, 12 Dec 2007 10:38:57 GMT", "version": "v1" } ]
2007-12-13
[ [ "Leader", "Elliot", "" ], [ "Sidorov", "Alexander V.", "" ], [ "Stamenov", "Dimiter B.", "" ] ]
The impact of the recent very precise CLAS and COMPASS g1/F1 data on polarized parton densities and higher twist effects is discussed. It is demonstrated that the low Q^2 CLAS data improve essentially our knowledge of higher twist corrections to the spin structure function g1, while the large Q^2 COMPASS data influence...
2407.01672
Matthew Low
Kun Cheng, Tao Han, Matthew Low
Optimizing Entanglement and Bell Inequality Violation in Top Anti-Top Events
49 pages, 11 figures, 1 table
null
null
PITT-PACC-2401
hep-ph hep-th quant-ph
http://creativecommons.org/licenses/by/4.0/
A top quark and an anti-top quark produced together at colliders have correlated spins. These spins constitute a quantum state that can exhibit entanglement and violate Bell's inequality. In realistic collider experiments, most analyses allow the axes, as well the Lorentz frame to vary event-by-event, thus introducin...
[ { "created": "Mon, 1 Jul 2024 18:00:01 GMT", "version": "v1" } ]
2024-07-03
[ [ "Cheng", "Kun", "" ], [ "Han", "Tao", "" ], [ "Low", "Matthew", "" ] ]
A top quark and an anti-top quark produced together at colliders have correlated spins. These spins constitute a quantum state that can exhibit entanglement and violate Bell's inequality. In realistic collider experiments, most analyses allow the axes, as well the Lorentz frame to vary event-by-event, thus introducing ...
1904.13174
Claudio Coriano
Claudio Corian\`o, Matteo Maria Maglio, Alessandro Tatullo, Dimosthenis Theofilopoulos
Exact Correlators from Conformal Ward Identities in Momentum Space and Perturbative Realizations
48 pages, 12 figures, (typos corrected) Proceedings of the Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" 1-27 September 2018 Corfu, Greece
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The general solution of the conformal Ward identities (CWI's) in momentum space, and their matching to perturbation theory, allows to uncover some specific characteristics of the breaking of conformal symmetry, induced by the anomaly. It allows to compare perturbative features of the 1-particle irreducible (1PI, nonl...
[ { "created": "Tue, 30 Apr 2019 11:44:21 GMT", "version": "v1" }, { "created": "Wed, 15 May 2019 08:31:57 GMT", "version": "v2" }, { "created": "Thu, 16 May 2019 17:50:07 GMT", "version": "v3" } ]
2019-05-17
[ [ "Corianò", "Claudio", "" ], [ "Maglio", "Matteo Maria", "" ], [ "Tatullo", "Alessandro", "" ], [ "Theofilopoulos", "Dimosthenis", "" ] ]
The general solution of the conformal Ward identities (CWI's) in momentum space, and their matching to perturbation theory, allows to uncover some specific characteristics of the breaking of conformal symmetry, induced by the anomaly. It allows to compare perturbative features of the 1-particle irreducible (1PI, nonloc...
1007.4313
Levon Grigoryan
L. Grigoryan
Average formation lengths of baryons and antibaryons in string model
7 pages, 6 figures
Phys.Rev.C83:014904,2011
10.1103/PhysRevC.83.014904
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work it is continued the investigation of the space-time scales of the hadronization process in the framework of string model. The average formation lengths of several widely using species of baryons (antibaryons) such as $p$ ($\bar{p}$), $n$ ($\bar{n}$), $\Delta$ ($\bar{\Delta}$), $\Lambda$ ($\bar{\Lambda}$)...
[ { "created": "Sun, 25 Jul 2010 09:47:29 GMT", "version": "v1" } ]
2011-01-28
[ [ "Grigoryan", "L.", "" ] ]
In this work it is continued the investigation of the space-time scales of the hadronization process in the framework of string model. The average formation lengths of several widely using species of baryons (antibaryons) such as $p$ ($\bar{p}$), $n$ ($\bar{n}$), $\Delta$ ($\bar{\Delta}$), $\Lambda$ ($\bar{\Lambda}$) a...