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1312.7574
Maksim Nekrasov L
M. L. Nekrasov
$K^{-}p$ and $\pi^{-}p$ charge-exchange processes and $\eta - \eta'$ mixing
9 pages, 3 figures (improved presentation and figures)
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The processes of charge-exchanges of $\pi^{-}$ and $K^{-}$ on protons at high energies and zero transfers are described on the basis of the parton model. It is shown that at the mentioned kinematic conditions the scattering occurs on the valence quarks only, while scattering on sea quarks leads to disruption of final...
[ { "created": "Sun, 29 Dec 2013 19:14:05 GMT", "version": "v1" }, { "created": "Thu, 9 Jan 2014 16:11:25 GMT", "version": "v2" } ]
2014-01-10
[ [ "Nekrasov", "M. L.", "" ] ]
The processes of charge-exchanges of $\pi^{-}$ and $K^{-}$ on protons at high energies and zero transfers are described on the basis of the parton model. It is shown that at the mentioned kinematic conditions the scattering occurs on the valence quarks only, while scattering on sea quarks leads to disruption of final s...
hep-ph/0106178
Gary Goldstein
Leonard Gamberg (U. Penn. and Tufts U.) Gary R. Goldstein (Tufts U.)
Estimates of the Nucleon Tensor Charge
LaTeX2e 10 pages, contributed to Lepton-Photon 2001
null
null
TUHEP-TH01-04
hep-ph
null
Like the axial vector charges, defined from the forward nucleon matrix element of the axial vector current on the light cone, the nucleon tensor charge, defined from the corresponding matrix element of the tensor current, is essential for characterizing the momentum and spin structure of the nucleon. Because there mu...
[ { "created": "Fri, 15 Jun 2001 20:20:31 GMT", "version": "v1" }, { "created": "Mon, 18 Jun 2001 00:59:43 GMT", "version": "v2" } ]
2007-05-23
[ [ "Gamberg", "Leonard", "", "U. Penn. and Tufts U." ], [ "Goldstein", "Gary R.", "", "Tufts U." ] ]
Like the axial vector charges, defined from the forward nucleon matrix element of the axial vector current on the light cone, the nucleon tensor charge, defined from the corresponding matrix element of the tensor current, is essential for characterizing the momentum and spin structure of the nucleon. Because there must...
1710.06105
Fei Wang
Xiaokang Du, Fei Wang
NMSSM From Alternative Deflection in Generalized Deflected Anomaly Mediated SUSY Breaking
25pages, 2 figures
Eur. Phys. J. C (2018) 78:431
10.1140/epjc/s10052-018-5921-y
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a new approach to generate messenger-matter interactions in deflected anomaly mediated SUSY breaking mechanism from typical holomorphic messenger-matter mixing terms in the Kahler potential. This approach is a unique feature of AMSB and has no analog in GMSB-type scenarios. New coupling strengths from the ...
[ { "created": "Tue, 17 Oct 2017 05:36:43 GMT", "version": "v1" }, { "created": "Mon, 4 Jun 2018 18:14:24 GMT", "version": "v2" } ]
2018-06-06
[ [ "Du", "Xiaokang", "" ], [ "Wang", "Fei", "" ] ]
We propose a new approach to generate messenger-matter interactions in deflected anomaly mediated SUSY breaking mechanism from typical holomorphic messenger-matter mixing terms in the Kahler potential. This approach is a unique feature of AMSB and has no analog in GMSB-type scenarios. New coupling strengths from the sc...
2112.00921
Ahmed Hammad
Stefan Antusch, Oliver Fischer, A. Hammad and Christiane Scherb
Explaining excesses in four-leptons at the LHC with a double peak from a CP violating Two Higgs Doublet Model
9 pages, 2 figures
null
10.1007/JHEP08(2022)224
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Extended scalar sectors with additional degrees of freedom appear in many scenarios beyond the Standard Model. Heavy scalar resonances that interact with the neutral current could be discovered via broad resonances in the tails of the four-lepton invariant mass spectrum, where the Standard Model background is small a...
[ { "created": "Thu, 2 Dec 2021 01:36:02 GMT", "version": "v1" } ]
2022-09-07
[ [ "Antusch", "Stefan", "" ], [ "Fischer", "Oliver", "" ], [ "Hammad", "A.", "" ], [ "Scherb", "Christiane", "" ] ]
Extended scalar sectors with additional degrees of freedom appear in many scenarios beyond the Standard Model. Heavy scalar resonances that interact with the neutral current could be discovered via broad resonances in the tails of the four-lepton invariant mass spectrum, where the Standard Model background is small and...
1002.0543
Zbigniew Was
N. Davidson, G. Nanava, T. Przedzinski, E. Richter-Was, Z. Was
Universal Interface of TAUOLA Technical and Physics Documentation
1+44 pages, 17 eps figures
null
10.1016/j.cpc.2011.12.009
IFJPAN-IV-2009-10
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Because of their narrow width, tau decays can be well separated from their production process. Only spin degrees of freedom connect these two parts of the physics process of interest for high energy collision experiments. In the following, we present a Monte Carlo algorithm which is based on that property. The interf...
[ { "created": "Tue, 2 Feb 2010 18:04:11 GMT", "version": "v1" } ]
2015-05-18
[ [ "Davidson", "N.", "" ], [ "Nanava", "G.", "" ], [ "Przedzinski", "T.", "" ], [ "Richter-Was", "E.", "" ], [ "Was", "Z.", "" ] ]
Because of their narrow width, tau decays can be well separated from their production process. Only spin degrees of freedom connect these two parts of the physics process of interest for high energy collision experiments. In the following, we present a Monte Carlo algorithm which is based on that property. The interfac...
hep-ph/0210185
Gorazd Cvetic
G. Cvetic, I. Kondrashuk, and I. Schmidt (UTFSM, Valparaiso)
QCD effective action with dressing functions - consistency checks in the perturbative regime
17 pages, revtex4; dimensional regularization used instead of Pauli-Villars, the check of identity in the linear-in-sources Dyson-Schwinger equation now includes the finite part; conclusions unchanged; to appear in Phys.Rev.D
Phys.Rev. D67 (2003) 065007
10.1103/PhysRevD.67.065007
null
hep-ph
null
In a previous paper, we presented solution to the Slavnov--Taylor identity for the QCD effective action, and argued that the action terms containing (anti)ghost fields are unique. These terms have the same form as those in the classical action, but the gluon and (anti)ghost effective fields are convoluted with gluon ...
[ { "created": "Fri, 11 Oct 2002 15:44:36 GMT", "version": "v1" }, { "created": "Mon, 30 Dec 2002 20:31:37 GMT", "version": "v2" } ]
2009-11-07
[ [ "Cvetic", "G.", "", "UTFSM, Valparaiso" ], [ "Kondrashuk", "I.", "", "UTFSM, Valparaiso" ], [ "Schmidt", "I.", "", "UTFSM, Valparaiso" ] ]
In a previous paper, we presented solution to the Slavnov--Taylor identity for the QCD effective action, and argued that the action terms containing (anti)ghost fields are unique. These terms have the same form as those in the classical action, but the gluon and (anti)ghost effective fields are convoluted with gluon an...
1902.02348
Wei Xue
Jia Liu, Xiao-Ping Wang and Wei Xue
Co-Interacting Dark Matter
8 pages; version published in PRD
Phys. Rev. D 100, 123012 (2019)
10.1103/PhysRevD.100.123012
EFI-19-3, CERN-TH-2019-010
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a novel mechanism with two component dark matter models. The subdominant dark matter can thermalize the dominant one in galaxies, and leads to core density profiles. Using ultralight dark photons and $\mathrm{GeV}$-$\mathrm{TeV}$ Dirac fermions as an example, we couple the two dark matter candidates with a...
[ { "created": "Wed, 6 Feb 2019 19:00:00 GMT", "version": "v1" }, { "created": "Sun, 17 Feb 2019 19:55:36 GMT", "version": "v2" }, { "created": "Mon, 16 Dec 2019 02:53:41 GMT", "version": "v3" } ]
2019-12-18
[ [ "Liu", "Jia", "" ], [ "Wang", "Xiao-Ping", "" ], [ "Xue", "Wei", "" ] ]
We propose a novel mechanism with two component dark matter models. The subdominant dark matter can thermalize the dominant one in galaxies, and leads to core density profiles. Using ultralight dark photons and $\mathrm{GeV}$-$\mathrm{TeV}$ Dirac fermions as an example, we couple the two dark matter candidates with a $...
2205.15153
Song Li
Song Li, Zhuang Li, Fei Wang, Jin Min Yang
Explanation of electron and muon $g-2$ anomalies in AMSB
26 pages, 15 figures
null
10.1016/j.nuclphysb.2022.115927
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose to jointly explain the electron/muon $g-2$ anomalies in the framework of anomaly mediated SUSY breaking (AMSB) scenario. Two Yukawa deflected AMSB models are proposed and discussed in depth: one with lepton-specific interactions and the other one with messenger-matter interactions. Both models are found to...
[ { "created": "Mon, 30 May 2022 14:55:15 GMT", "version": "v1" } ]
2022-08-31
[ [ "Li", "Song", "" ], [ "Li", "Zhuang", "" ], [ "Wang", "Fei", "" ], [ "Yang", "Jin Min", "" ] ]
We propose to jointly explain the electron/muon $g-2$ anomalies in the framework of anomaly mediated SUSY breaking (AMSB) scenario. Two Yukawa deflected AMSB models are proposed and discussed in depth: one with lepton-specific interactions and the other one with messenger-matter interactions. Both models are found to b...
hep-ph/0201146
Sterman
E.L. Berger, Stephen Magill (Argonne), I. Sarcevic (Arizona), J. Jalilian-Marian, W.B. Kilgore, Anna Kulesza, W. Vogelsang (Brookhaven), R.V. Harlander (CERN), E. Kinney (Colorado), R. Ball (Edinburgh), B. Flaugher, W. Giele, P. Mackenzie, Z. Sullivan (Fermilab), C. Balazs, L. Reina (Florida State), W.-K. Tung ...
Summary: Working Group on QCD and Strong Interactions
Snowmass 2001. Revtex4, 34 pages, 4 figures, revised to include additional references on jets and lattice QCD
eConf C010630:P5001,2001
null
YITP-SB-02-01
hep-ph
null
In this summary of the considerations of the QCD working group at Snowmass 2001, the roles of quantum chromodynamics in the Standard Model and in the search for new physics are reviewed, with empahsis on frontier areas in the field. We discuss the importance of, and prospects for, precision QCD in perturbative and la...
[ { "created": "Wed, 16 Jan 2002 15:11:08 GMT", "version": "v1" }, { "created": "Thu, 7 Feb 2002 14:53:56 GMT", "version": "v2" } ]
2014-11-17
[ [ "Berger", "E. L.", "", "Argonne" ], [ "Magill", "Stephen", "", "Argonne" ], [ "Sarcevic", "I.", "", "Arizona" ], [ "Jalilian-Marian", "J.", "", "Brookhaven" ], [ "Kilgore", "W. B.", "", "Brookhaven" ], [ "Kules...
In this summary of the considerations of the QCD working group at Snowmass 2001, the roles of quantum chromodynamics in the Standard Model and in the search for new physics are reviewed, with empahsis on frontier areas in the field. We discuss the importance of, and prospects for, precision QCD in perturbative and latt...
hep-ph/0402038
Michal Praszalowicz
Michal Praszalowicz
SU(3) breaking in decays of exotic baryons
17 pages, 6 figures, v3 to appear in Acta Physica Polonica B, some numerics corrected, conclusions unchanged
Acta Phys.Polon. B35 (2004) 1625-1642
null
BNL-NT-04/5, TPJU-2/2004
hep-ph
null
Within the chiral soliton model the SU(3) breaking collective hamiltonian introduces representation mixing in the baryonic wave functions. We calculate ${\cal{O}}(m_s)$ effects of this mixing on the decay widths of decuplet and antidecuplet baryons. We find importance of the 27-plet admixture in the $\Theta^+$ and $\...
[ { "created": "Wed, 4 Feb 2004 17:39:51 GMT", "version": "v1" }, { "created": "Mon, 22 Mar 2004 11:48:59 GMT", "version": "v2" }, { "created": "Mon, 26 Apr 2004 19:06:48 GMT", "version": "v3" } ]
2007-05-23
[ [ "Praszalowicz", "Michal", "" ] ]
Within the chiral soliton model the SU(3) breaking collective hamiltonian introduces representation mixing in the baryonic wave functions. We calculate ${\cal{O}}(m_s)$ effects of this mixing on the decay widths of decuplet and antidecuplet baryons. We find importance of the 27-plet admixture in the $\Theta^+$ and $\Xi...
2304.09187
Kaapo Sepp\"anen
Tyler Gorda, Risto Paatelainen, Saga S\"appi, Kaapo Sepp\"anen
Soft gluon self-energy at finite temperature and density: hard NLO corrections in general covariant gauge
37 pages, 3 figures, matches with published version
JHEP 08 (2023) 021
10.1007/JHEP08(2023)021
HIP-2023-9/TH, TUM-EFT 180/23
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the next-to-leading order (NLO) hard correction to the gluon self-energy tensor with arbitrary soft momenta in a hot and/or dense weakly coupled plasma in Quantum Chromodynamics. Our diagrammatic computations of the two-loop and power corrections are performed within the hard-thermal-loop (HTL) framework a...
[ { "created": "Tue, 18 Apr 2023 18:00:00 GMT", "version": "v1" }, { "created": "Mon, 24 Jul 2023 09:39:28 GMT", "version": "v2" } ]
2023-11-14
[ [ "Gorda", "Tyler", "" ], [ "Paatelainen", "Risto", "" ], [ "Säppi", "Saga", "" ], [ "Seppänen", "Kaapo", "" ] ]
We compute the next-to-leading order (NLO) hard correction to the gluon self-energy tensor with arbitrary soft momenta in a hot and/or dense weakly coupled plasma in Quantum Chromodynamics. Our diagrammatic computations of the two-loop and power corrections are performed within the hard-thermal-loop (HTL) framework and...
hep-ph/0405297
Ivanov Dmitri
D.Yu. Ivanov, M.I. Kotsky and A. Papa
The impact factor for the virtual photon to light vector meson transition
31 pages latex; few comments and one reference added; version to appear in Eur. Phys. Journal C
Eur.Phys.J. C38 (2004) 195-213
10.1140/epjc/s2004-02039-4
null
hep-ph
null
We evaluate in the next-to-leading approximation the forward impact factor for the virtual photon to light vector meson transition in the case of longitudinal polarization. We find that in the hard kinematic domain, both in the leading and in the next-to-leading approximation, the expression for the impact factor fac...
[ { "created": "Sun, 30 May 2004 15:28:11 GMT", "version": "v1" }, { "created": "Wed, 13 Oct 2004 09:57:33 GMT", "version": "v2" } ]
2009-11-10
[ [ "Ivanov", "D. Yu.", "" ], [ "Kotsky", "M. I.", "" ], [ "Papa", "A.", "" ] ]
We evaluate in the next-to-leading approximation the forward impact factor for the virtual photon to light vector meson transition in the case of longitudinal polarization. We find that in the hard kinematic domain, both in the leading and in the next-to-leading approximation, the expression for the impact factor facto...
hep-ph/0210001
Chung Kao
Chung Kao (University of Oklahoma)
Higgs Decays into Leptons
3 pages, LaTeX with espcrc2.sty, 2 Figures, to appear in the Proceedings of the 31st International Conference on High Energy Physics (ICHEP 2002), July 24 - 31, 2002, in Amsterdam, The Netherlands
null
10.1016/S0920-5632(03)90665-7
OUHEP-02-06
hep-ph
null
We discuss the prospects for the discovery of neutral Higgs bosons ($\phi^0 = H^0, h^0, A^0$) in multi-Higgs doublet models via their decays into leptons at hadron colliders. A major focus will be searching for Higgs bosons produced with bottom quarks via Higgs decays into muon pairs ($pp \to b\bar{b}\phi^0 \to b\bar...
[ { "created": "Mon, 30 Sep 2002 20:52:27 GMT", "version": "v1" } ]
2009-11-07
[ [ "Kao", "Chung", "", "University of Oklahoma" ] ]
We discuss the prospects for the discovery of neutral Higgs bosons ($\phi^0 = H^0, h^0, A^0$) in multi-Higgs doublet models via their decays into leptons at hadron colliders. A major focus will be searching for Higgs bosons produced with bottom quarks via Higgs decays into muon pairs ($pp \to b\bar{b}\phi^0 \to b\bar{b...
hep-ph/0504114
R. Sekhar Chivukula
R. Sekhar Chivukula, Hong-Jian He, Masafumi Kurachi, Elizabeth H. Simmons and Masaharu Tanabashi
Ideal Fermion Delocalization in Higgsless Models
21 pages, 2 eps figures; minor typos corrected
Phys.Rev.D72:015008,2005
10.1103/PhysRevD.72.015008
MSUHEP-050415, TU-742
hep-ph
null
In this note we examine the properties of deconstructed Higgsless models for the case of a fermion whose SU(2) properties arise from delocalization over many sites of the deconstructed lattice. We derive expressions for the correlation functions and use these to establish a generalized consistency relation among corr...
[ { "created": "Thu, 14 Apr 2005 14:44:05 GMT", "version": "v1" }, { "created": "Fri, 22 Apr 2005 12:42:03 GMT", "version": "v2" } ]
2008-11-26
[ [ "Chivukula", "R. Sekhar", "" ], [ "He", "Hong-Jian", "" ], [ "Kurachi", "Masafumi", "" ], [ "Simmons", "Elizabeth H.", "" ], [ "Tanabashi", "Masaharu", "" ] ]
In this note we examine the properties of deconstructed Higgsless models for the case of a fermion whose SU(2) properties arise from delocalization over many sites of the deconstructed lattice. We derive expressions for the correlation functions and use these to establish a generalized consistency relation among correl...
1604.03377
Pavel Fileviez Perez
Pavel Fileviez Perez, Clara Murgui
Renormalizable SU(5) Unification
minor corrections, to appear in Physical Review D
Phys. Rev. D 94, 075014 (2016)
10.1103/PhysRevD.94.075014
null
hep-ph hep-ex hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a simple renormalizable grand unified theory based on the $SU(5)$ gauge symmetry where the neutrino masses are generated at the quantum level through the Zee mechanism. In this model the same Higgs needed to correct the mass relation between charged leptons and down-type quarks plays a crucial role to gene...
[ { "created": "Tue, 12 Apr 2016 12:44:03 GMT", "version": "v1" }, { "created": "Wed, 5 Oct 2016 19:36:37 GMT", "version": "v2" } ]
2016-10-26
[ [ "Perez", "Pavel Fileviez", "" ], [ "Murgui", "Clara", "" ] ]
We propose a simple renormalizable grand unified theory based on the $SU(5)$ gauge symmetry where the neutrino masses are generated at the quantum level through the Zee mechanism. In this model the same Higgs needed to correct the mass relation between charged leptons and down-type quarks plays a crucial role to genera...
0708.1057
Bob Holdom
B. Holdom
Dpes massless QCD have vacuum energy?
8 pages, no figures, version to appear in NJP
NewJ.Phys.10:053040,2008
10.1088/1367-2630/10/5/053040
null
hep-ph hep-th
null
It is widely thought that this question has a positive answer, but we argue that the support for this belief from both experiment and theory is weak or nonexistent. We then list some of the ramifications of a negative answer.
[ { "created": "Wed, 8 Aug 2007 19:43:30 GMT", "version": "v1" }, { "created": "Wed, 14 May 2008 02:40:05 GMT", "version": "v2" } ]
2008-11-26
[ [ "Holdom", "B.", "" ] ]
It is widely thought that this question has a positive answer, but we argue that the support for this belief from both experiment and theory is weak or nonexistent. We then list some of the ramifications of a negative answer.
hep-ph/9706278
Rainer Dick
Rainer Dick
Vector and scalar confinement in gauge theory with a dilaton
Latex, 7 pages
Phys.Lett. B409 (1997) 321-324
10.1016/S0370-2693(97)00881-2
LMU-TPW-97/14
hep-ph
null
In a recent letter it has been shown that gauge theory with a dilaton provides linearly increasing gauge potentials from static or uniformly moving pointlike colour sources. This ensures confinement in the framework of no-pair equations. Here I would like to point out that a dilaton coupling both to the gauge curvatu...
[ { "created": "Sat, 7 Jun 1997 18:54:03 GMT", "version": "v1" }, { "created": "Mon, 16 Jun 1997 15:02:23 GMT", "version": "v2" } ]
2009-10-30
[ [ "Dick", "Rainer", "" ] ]
In a recent letter it has been shown that gauge theory with a dilaton provides linearly increasing gauge potentials from static or uniformly moving pointlike colour sources. This ensures confinement in the framework of no-pair equations. Here I would like to point out that a dilaton coupling both to the gauge curvature...
2309.06378
Fei Wang
Ming Xia Huang, Fei Wang, Ying Kai Zhang
Interplay between the muon $g-2$ anomaly and the PTA nHZ gravitational waves from domain walls in next-to minimal supersymmetric standard model
33 pages, 6 figures, typos corrected, version published in PRD
Phys. Rev. D 109, 075032 (2014)
10.1103/PhysRevD.109.075032
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
With some explicitly $Z_3$ breaking terms in the NMSSM effective superpotential and scalar potential, domain walls (DWs) from spontaneously breaking of the discrete symmetry in approximate $Z_3$-invariant NMSSM can collapse and lead to observable stochastic gravitational wave (GW) background signals. In the presence ...
[ { "created": "Tue, 12 Sep 2023 16:39:50 GMT", "version": "v1" }, { "created": "Wed, 17 Apr 2024 13:49:22 GMT", "version": "v2" } ]
2024-04-18
[ [ "Huang", "Ming Xia", "" ], [ "Wang", "Fei", "" ], [ "Zhang", "Ying Kai", "" ] ]
With some explicitly $Z_3$ breaking terms in the NMSSM effective superpotential and scalar potential, domain walls (DWs) from spontaneously breaking of the discrete symmetry in approximate $Z_3$-invariant NMSSM can collapse and lead to observable stochastic gravitational wave (GW) background signals. In the presence of...
1909.11917
Xuan-He Wang
Xuan-He Wang, Yue Jiang, Tianhong Wang, Xiao-Ze Tan, Geng Li, Guo-Li Wang
Study of the dilepton electromagnetic decays of $\chi_{cJ}(1P)$
null
null
10.1140/epjc/s10052-019-7531-8
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, the dilepton electromagnetic decays $\chi_{cJ}(1P) \to J/\psi e^+e^-$ and $\chi_{cJ}(1P) \to J\psi \mu^+\mu^-$, where $\chi_{cJ}$ denotes $\chi_{c0}$, $\chi_{c1}$ and $\chi_{c2}$, are calculated systematically in the improved Bethe-Salpeter method. The numerical results of decay widths and the invarian...
[ { "created": "Thu, 26 Sep 2019 06:07:06 GMT", "version": "v1" } ]
2020-01-08
[ [ "Wang", "Xuan-He", "" ], [ "Jiang", "Yue", "" ], [ "Wang", "Tianhong", "" ], [ "Tan", "Xiao-Ze", "" ], [ "Li", "Geng", "" ], [ "Wang", "Guo-Li", "" ] ]
In this paper, the dilepton electromagnetic decays $\chi_{cJ}(1P) \to J/\psi e^+e^-$ and $\chi_{cJ}(1P) \to J\psi \mu^+\mu^-$, where $\chi_{cJ}$ denotes $\chi_{c0}$, $\chi_{c1}$ and $\chi_{c2}$, are calculated systematically in the improved Bethe-Salpeter method. The numerical results of decay widths and the invariant ...
hep-ph/9812472
Sven Heinemeyer
S. Heinemeyer, W. Hollik, G. Weiglein
The Masses of the Neutral CP-even Higgs Bosons in the MSSM: Accurate Analysis at the Two-Loop Level
45 pages, 25 figures
Eur.Phys.J.C9:343-366,1999
10.1007/s100529900006
KA-TP-17-1998, DESY 98-194, CERN-TH/98-405
hep-ph
null
We present detailed results of a diagrammatic calculation of the leading two-loop QCD corrections to the masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM). The two-loop corrections are incorporated into the full diagrammatic one-loop result and supplemented with refinement...
[ { "created": "Tue, 22 Dec 1998 11:35:20 GMT", "version": "v1" } ]
2011-05-05
[ [ "Heinemeyer", "S.", "" ], [ "Hollik", "W.", "" ], [ "Weiglein", "G.", "" ] ]
We present detailed results of a diagrammatic calculation of the leading two-loop QCD corrections to the masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM). The two-loop corrections are incorporated into the full diagrammatic one-loop result and supplemented with refinement t...
1712.04558
Dmitri Kharzeev
O.K. Baker and D.E. Kharzeev
Thermal radiation and entanglement in proton-proton collisions at the LHC
20 pages, 5 figures
Phys. Rev. D 98, 054007 (2018)
10.1103/PhysRevD.98.054007
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The origin of the apparent thermalization in high-energy collisions is investigated using the data of the ATLAS and CMS Collaborations at the LHC. For this purpose, we analyze the transverse momentum distributions in the following proton-proton collision processes, all at $\sqrt{s} = 13$ TeV: i) inclusive inelastic $...
[ { "created": "Tue, 12 Dec 2017 22:43:51 GMT", "version": "v1" } ]
2018-09-19
[ [ "Baker", "O. K.", "" ], [ "Kharzeev", "D. E.", "" ] ]
The origin of the apparent thermalization in high-energy collisions is investigated using the data of the ATLAS and CMS Collaborations at the LHC. For this purpose, we analyze the transverse momentum distributions in the following proton-proton collision processes, all at $\sqrt{s} = 13$ TeV: i) inclusive inelastic $pp...
1310.3105
Kari J. Eskola
R. Paatelainen, K. J. Eskola, H. Niemi, K. Tuominen
Fluid dynamics with saturated minijet initial conditions in ultrarelativistic heavy-ion collisions
5 pages, 8 figures
null
10.1016/j.physletb.2014.02.018
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using next-to-leading order perturbative QCD and a conjecture of saturation to suppress the production of low-energy partons, we calculate the initial energy densities and formation times for the dissipative fluid dynamical evolution of the quark-gluon plasma produced in ultrarelativistic heavy-ion collisions. We ide...
[ { "created": "Fri, 11 Oct 2013 12:30:43 GMT", "version": "v1" } ]
2015-06-17
[ [ "Paatelainen", "R.", "" ], [ "Eskola", "K. J.", "" ], [ "Niemi", "H.", "" ], [ "Tuominen", "K.", "" ] ]
Using next-to-leading order perturbative QCD and a conjecture of saturation to suppress the production of low-energy partons, we calculate the initial energy densities and formation times for the dissipative fluid dynamical evolution of the quark-gluon plasma produced in ultrarelativistic heavy-ion collisions. We ident...
hep-ph/9307377
Lee jungil
C. S. Kim, Jungil Lee, and H. S. Song
Anomalous Gauge-Boson Couplings in High Energy ep Collisions
17pages YUMS 93-14,SNUTP 93-43,KEK-TH-366
Z.Phys.C63:673-680,1994
10.1007/BF01557634
null
hep-ph
null
We investigate the sensitivity of total cross sections of $e+p \rightarrow W,Z$ to CP-conserving non-standard $WW\gamma$ couplings. We include all the important production mechanisms and study the dependence of the total $W$ cross sections on the anomalous $WW\gamma$ couplings, $\kappa$ and $\lambda$. We argue that t...
[ { "created": "Mon, 2 Aug 1993 03:16:45 GMT", "version": "v1" } ]
2011-07-19
[ [ "Kim", "C. S.", "" ], [ "Lee", "Jungil", "" ], [ "Song", "H. S.", "" ] ]
We investigate the sensitivity of total cross sections of $e+p \rightarrow W,Z$ to CP-conserving non-standard $WW\gamma$ couplings. We include all the important production mechanisms and study the dependence of the total $W$ cross sections on the anomalous $WW\gamma$ couplings, $\kappa$ and $\lambda$. We argue that the...
hep-ph/0508025
Rainer Dick
R. Dick, K.M. Hopp, K.E. Wunderle
Superheavy dark matter and ultrahigh energy cosmic rays
Based on an invited talk given by RD at Theory Canada 1, Vancouver, June 2-5, 2005
null
10.1139/P06-035
null
hep-ph
null
The phase of inflationary expansion in the early universe produces superheavy relics in a mass window between 10^{12} GeV and 10^{14} GeV. Decay or annihilation of these superheavy relics can explain the observed ultrahigh energy cosmic rays beyond the Greisen-Zatsepin-Kuzmin cutoff. We emphasize that the pattern of ...
[ { "created": "Mon, 1 Aug 2005 17:16:30 GMT", "version": "v1" } ]
2009-11-11
[ [ "Dick", "R.", "" ], [ "Hopp", "K. M.", "" ], [ "Wunderle", "K. E.", "" ] ]
The phase of inflationary expansion in the early universe produces superheavy relics in a mass window between 10^{12} GeV and 10^{14} GeV. Decay or annihilation of these superheavy relics can explain the observed ultrahigh energy cosmic rays beyond the Greisen-Zatsepin-Kuzmin cutoff. We emphasize that the pattern of co...
2401.17251
Jani Penttala
Guillaume Beuf, Tuomas Lappi, Heikki M\"antysaari, Risto Paatelainen, Jani Penttala
Diffractive deep inelastic scattering at NLO in the dipole picture
47 pages, 26 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the transverse and longitudinal diffractive structure functions to full next-to-leading order accuracy in the dipole picture of deep inelastic scattering. Our calculation uses the standard light-cone perturbation theory method for the partonic content of the virtual photon, together with the Color Glass Co...
[ { "created": "Tue, 30 Jan 2024 18:44:24 GMT", "version": "v1" } ]
2024-01-31
[ [ "Beuf", "Guillaume", "" ], [ "Lappi", "Tuomas", "" ], [ "Mäntysaari", "Heikki", "" ], [ "Paatelainen", "Risto", "" ], [ "Penttala", "Jani", "" ] ]
We compute the transverse and longitudinal diffractive structure functions to full next-to-leading order accuracy in the dipole picture of deep inelastic scattering. Our calculation uses the standard light-cone perturbation theory method for the partonic content of the virtual photon, together with the Color Glass Cond...
hep-ph/0210100
Serguei Molodtsov
S.V. Molodtsov, G.M. Zinovjev
Role of quark-instanton liquid interactions in colour superconductivity phase
11 pages, 5 figures
Mod.Phys.Lett. A18 (2003) 817-830
10.1142/S0217732303009903
null
hep-ph
null
The interaction of light quarks and instanton liquid is analyzed at finite density of quark/baryon matter and in the phase of nonzero values of diquark (colour) condensate. It is shown that instanton liquid perturbation produced by such an interaction results in an essential increase of the critical value of quark ch...
[ { "created": "Mon, 7 Oct 2002 11:08:59 GMT", "version": "v1" } ]
2009-11-07
[ [ "Molodtsov", "S. V.", "" ], [ "Zinovjev", "G. M.", "" ] ]
The interaction of light quarks and instanton liquid is analyzed at finite density of quark/baryon matter and in the phase of nonzero values of diquark (colour) condensate. It is shown that instanton liquid perturbation produced by such an interaction results in an essential increase of the critical value of quark chem...
1103.0954
Ana Julia Mizher
Ana Julia Mizher, Eduardo S. Fraga and M. N. Chernodub
Phase diagram of strong interactions in an external magnetic field
null
null
null
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We obtain the phase diagram of strong interactions in the presence of a magnetic field within the linear sigma model coupled to quarks and to the Polyakov loop, and show that the chiral and deconfinement lines can split. We also study the behavior of the chiral condensate in this magnetic environment and find an appr...
[ { "created": "Fri, 4 Mar 2011 17:49:36 GMT", "version": "v1" } ]
2011-03-07
[ [ "Mizher", "Ana Julia", "" ], [ "Fraga", "Eduardo S.", "" ], [ "Chernodub", "M. N.", "" ] ]
We obtain the phase diagram of strong interactions in the presence of a magnetic field within the linear sigma model coupled to quarks and to the Polyakov loop, and show that the chiral and deconfinement lines can split. We also study the behavior of the chiral condensate in this magnetic environment and find an approx...
1010.4482
Valentin Zakharov
Valentin I. Zakharov
High orders perturbation theory and dual models for Yang-Mills theories
Talk at the Conference QCD10, Montpellier, July 2010
Nucl.Phys.Proc.Suppl.207-208:306-311,2010
10.1016/j.nuclphysbps.2010.10.076
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We start with the QCD sum rules which are originally based on the idea that it is the power-like corrections to the parton model which are related to the confinement. The naive use of the Operator Product Expansion ensures that there is a 'gap' in the powers of $\Lambda_{QCD}$ which miss the quadratic terms and start...
[ { "created": "Thu, 21 Oct 2010 14:19:25 GMT", "version": "v1" } ]
2011-02-24
[ [ "Zakharov", "Valentin I.", "" ] ]
We start with the QCD sum rules which are originally based on the idea that it is the power-like corrections to the parton model which are related to the confinement. The naive use of the Operator Product Expansion ensures that there is a 'gap' in the powers of $\Lambda_{QCD}$ which miss the quadratic terms and start w...
hep-ph/9602386
Osamu Yasuda 0426-77-1111x3376
Osamu Yasuda and Hisakazu Minakata
Three flavor neutrino oscillation constraints from accelerator, reactor, atmospheric and solar neutrino experiments
LaTeX, 14 pages + 1 PostScript figure
null
null
TMUP-HEL-9604
hep-ph
null
We discuss constraints on three flavor neutrino mixings from the accelerator and reactor experiments, the Kamiokande multi-GeV data, and the solar neutrino observations. The LSND result is excluded at 90\%CL by the constraints imposed by all the data of reactor and accelerator experiments and the Kamiokande multi-GeV...
[ { "created": "Sat, 24 Feb 1996 02:15:24 GMT", "version": "v1" } ]
2007-05-23
[ [ "Yasuda", "Osamu", "" ], [ "Minakata", "Hisakazu", "" ] ]
We discuss constraints on three flavor neutrino mixings from the accelerator and reactor experiments, the Kamiokande multi-GeV data, and the solar neutrino observations. The LSND result is excluded at 90\%CL by the constraints imposed by all the data of reactor and accelerator experiments and the Kamiokande multi-GeV d...
1604.01264
Takuya Mizoguchi
Takuya Mizoguchi, Minoru Biyajima and Naomichi Suzuki
Analyses of whole transverse momentum distributions in $p\bar p$ and $pp$ collisions by using a modified version of Hagedorn's formula
null
null
10.1142/S0217751X17500579
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
To describe the transverse distribution of charged hadrons at 1.96 TeV observed by the CDF collaboration, we propose a formula with two component, namely, hadron gas distributions and inverse power laws. The data collected at 0.9, 2.76, 7, and 13 TeV by the ALICE, CMS, and ATLAS collaborations are also analyzed using...
[ { "created": "Tue, 5 Apr 2016 14:11:20 GMT", "version": "v1" }, { "created": "Sun, 30 Oct 2016 15:08:17 GMT", "version": "v2" }, { "created": "Tue, 13 Dec 2016 15:31:12 GMT", "version": "v3" } ]
2017-04-26
[ [ "Mizoguchi", "Takuya", "" ], [ "Biyajima", "Minoru", "" ], [ "Suzuki", "Naomichi", "" ] ]
To describe the transverse distribution of charged hadrons at 1.96 TeV observed by the CDF collaboration, we propose a formula with two component, namely, hadron gas distributions and inverse power laws. The data collected at 0.9, 2.76, 7, and 13 TeV by the ALICE, CMS, and ATLAS collaborations are also analyzed using v...
hep-ph/9205208
null
Sang-Jin Sin
Late time Cosmological Phase Transition and Galactic Halo as Bose-liquid
4 pages 3 figs (Top-drawer file will be sent upon request)
Phys.Rev.D50:3650-3654,1994
10.1103/PhysRevD.50.3650
null
hep-ph astro-ph
null
We consider the ultra light pseudo Nambu-Goldstone boson appearing in the late time cosmological phase transition theories as a dark matter candidate. Since it is almost massless, its nature is more wave like than particle like. Hence we apply quantum mechanics to study how they form the galactic halos. Three predict...
[ { "created": "Fri, 8 May 1992 01:44:53 GMT", "version": "v1" } ]
2010-11-30
[ [ "Sin", "Sang-Jin", "" ] ]
We consider the ultra light pseudo Nambu-Goldstone boson appearing in the late time cosmological phase transition theories as a dark matter candidate. Since it is almost massless, its nature is more wave like than particle like. Hence we apply quantum mechanics to study how they form the galactic halos. Three predictio...
2307.04092
Dian-Yong Chen
Man-Yu Duan, Meng-Lin Du, Zhi-Hui Guo, En Wang, Dian-Yong Chen
Coupled-channel $D^\ast K^\ast -D_s^\ast \rho$ interactions and the origin of $T_{c\bar{s}0}(2900)$
10 pages, 6 figures, 3 tables
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
Motivated by the recent observation of $T_{c\bar{s}0}(2900)^0$ and $T_{c\bar{s}0}(2900)^{++}$ in the $D_s \pi$ invariant mass distributions, we investigate $D^{\ast}K^{\ast}$ interactions in a coupled-channel approach. We show that the relativistic corrections could be significant for the energy far away from the thr...
[ { "created": "Sun, 9 Jul 2023 04:26:03 GMT", "version": "v1" } ]
2023-07-11
[ [ "Duan", "Man-Yu", "" ], [ "Du", "Meng-Lin", "" ], [ "Guo", "Zhi-Hui", "" ], [ "Wang", "En", "" ], [ "Chen", "Dian-Yong", "" ] ]
Motivated by the recent observation of $T_{c\bar{s}0}(2900)^0$ and $T_{c\bar{s}0}(2900)^{++}$ in the $D_s \pi$ invariant mass distributions, we investigate $D^{\ast}K^{\ast}$ interactions in a coupled-channel approach. We show that the relativistic corrections could be significant for the energy far away from the thres...
1410.4842
Matti Heikinheimo
Matti Heikinheimo and Christian Spethmann
Galactic Centre GeV Photons from Dark Technicolor
7 pages, 5 figures. The final version to be published in JHEP
null
10.1007/JHEP12(2014)084
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a classically scale-invariant model with a confining dark sector, which is coupled to the Standard Model through the Higgs portal. The galactic centre gamma ray excess can be explained in this model by collision-induced dark matter decays to b-quarks. We discuss the possibility to obtain the dark matter re...
[ { "created": "Fri, 17 Oct 2014 20:00:02 GMT", "version": "v1" }, { "created": "Tue, 28 Oct 2014 11:45:01 GMT", "version": "v2" }, { "created": "Wed, 10 Dec 2014 11:45:29 GMT", "version": "v3" } ]
2015-06-23
[ [ "Heikinheimo", "Matti", "" ], [ "Spethmann", "Christian", "" ] ]
We present a classically scale-invariant model with a confining dark sector, which is coupled to the Standard Model through the Higgs portal. The galactic centre gamma ray excess can be explained in this model by collision-induced dark matter decays to b-quarks. We discuss the possibility to obtain the dark matter reli...
hep-ph/0511325
Stefan Recksiegel
Robert Fleischer (CERN), Stefan Recksiegel (Munich, Tech. U)
b -> d Penguins: CP Violation, General Lower Bounds on the Branching Ratios and Standard Model Tests
4 pages, 2 figures. Contribution to the proceedings of EPS-HEP2005
null
null
CERN-PH-TH/2005-237, TUM-609/05
hep-ph
null
With the wealth of new data from the B-factories, b -> d penguin decays become available for study, in addition to their b -> s counterparts that have proven an indespensable tool for the exploration of new-physics effects in flavour physics. A prominent example of the b -> d penguin transitions is $\bar B^0_d \to K^...
[ { "created": "Tue, 29 Nov 2005 14:58:31 GMT", "version": "v1" } ]
2007-05-23
[ [ "Fleischer", "Robert", "", "CERN" ], [ "Recksiegel", "Stefan", "", "Munich, Tech. U" ] ]
With the wealth of new data from the B-factories, b -> d penguin decays become available for study, in addition to their b -> s counterparts that have proven an indespensable tool for the exploration of new-physics effects in flavour physics. A prominent example of the b -> d penguin transitions is $\bar B^0_d \to K^0 ...
1811.07383
Nicola Pessina
Nicola Pessina
Semi-Exclusive Heavy Quark Production in Charged-Current Deep Inelastic Scattering
Ph.D. Thesis in Physics. University of Parma (Italy), year 2005. 107 pages, 44 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Main aim of this research consists in the description of Deep Inelastic Scattering (DIS) processes mediated by Charged Currents (CC), producing a massive quark in the final state. Formalism of DIS processes has been investigated in depth, including mass contributions for charged lepton. Semi-exclusive partonic coeffi...
[ { "created": "Sun, 18 Nov 2018 19:20:56 GMT", "version": "v1" } ]
2018-11-20
[ [ "Pessina", "Nicola", "" ] ]
Main aim of this research consists in the description of Deep Inelastic Scattering (DIS) processes mediated by Charged Currents (CC), producing a massive quark in the final state. Formalism of DIS processes has been investigated in depth, including mass contributions for charged lepton. Semi-exclusive partonic coeffici...
2103.13140
HongWei Ke
Hong-Wei Ke, Xin Han, Xiao-Hai Liu and Yan-Liang Shi
Tetraquark state $X(6900)$ and the interaction between diquark and antidiquark
14 pages, two figures
Eur.Phys.J.C 81 (2021) 5, 427
10.1140/epjc/s10052-021-09229-y
null
hep-ph hep-ex
http://creativecommons.org/licenses/by-nc-nd/4.0/
Recently LHCb declared a new structure $X(6900)$ in the final state di-$J/\psi$ which is popularly regarded as a $cc$-$\bar c\bar c$ tetraquark state. %popularly. Within the Bethe-Salpeter (B-S) frame we study the possible $cc$-$\bar c\bar c$ bound states and the interaction between diquark ($cc$) and antidiquark ($\...
[ { "created": "Wed, 24 Mar 2021 12:31:38 GMT", "version": "v1" }, { "created": "Sun, 13 Jun 2021 10:06:52 GMT", "version": "v2" } ]
2021-06-15
[ [ "Ke", "Hong-Wei", "" ], [ "Han", "Xin", "" ], [ "Liu", "Xiao-Hai", "" ], [ "Shi", "Yan-Liang", "" ] ]
Recently LHCb declared a new structure $X(6900)$ in the final state di-$J/\psi$ which is popularly regarded as a $cc$-$\bar c\bar c$ tetraquark state. %popularly. Within the Bethe-Salpeter (B-S) frame we study the possible $cc$-$\bar c\bar c$ bound states and the interaction between diquark ($cc$) and antidiquark ($\ba...
1711.04603
Wei-Hong Liang
Wei-Hong Liang, S. Sakai, Ju-Jun Xie, E. Oset
Triangle singularity enhancing isospin violation in $\bar B_s^0 \to J/\psi \pi^0 f_0(980)$
19 pages, 9 figures; V2: improved discussions in sections II and III, version to appear in Chin. Phys. C
null
10.1088/1674-1137/42/4/044101
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We perform calculations for the $\bar B_s^0 \to J/\psi \pi^0 f_0(980)$ and $\bar B_s^0 \to J/\psi \pi^0 a_0(980)$ reactions, showing that the first one is isospin-suppressed while the second one is isospin-allowed. The reaction proceeds via a triangle mechanism, with $\bar B_s^0 \to J/\psi K^* \bar K +c.c.$, followed...
[ { "created": "Mon, 13 Nov 2017 14:46:41 GMT", "version": "v1" }, { "created": "Thu, 1 Mar 2018 03:42:12 GMT", "version": "v2" } ]
2018-04-18
[ [ "Liang", "Wei-Hong", "" ], [ "Sakai", "S.", "" ], [ "Xie", "Ju-Jun", "" ], [ "Oset", "E.", "" ] ]
We perform calculations for the $\bar B_s^0 \to J/\psi \pi^0 f_0(980)$ and $\bar B_s^0 \to J/\psi \pi^0 a_0(980)$ reactions, showing that the first one is isospin-suppressed while the second one is isospin-allowed. The reaction proceeds via a triangle mechanism, with $\bar B_s^0 \to J/\psi K^* \bar K +c.c.$, followed b...
1102.1967
Markus Schulze
Kirill Melnikov, Andreas Scharf and Markus Schulze
QCD corrections to top quark pair production in association with a photon at hadron colliders
30 pages, 13 figures; extended reference list, update of quoted experimental efficiencies
Phys.Rev.D83:074013,2011
10.1103/PhysRevD.83.074013
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute QCD corrections to the production of a ttbar pair in association with a hard photon at the Tevatron and the LHC. This process allows a direct measurement of the top quark electromagnetic couplings that, at the moment, are only loosely constrained. We include top quark decays, treating them in the narrow wi...
[ { "created": "Wed, 9 Feb 2011 20:42:57 GMT", "version": "v1" }, { "created": "Fri, 18 Feb 2011 21:56:20 GMT", "version": "v2" } ]
2015-03-18
[ [ "Melnikov", "Kirill", "" ], [ "Scharf", "Andreas", "" ], [ "Schulze", "Markus", "" ] ]
We compute QCD corrections to the production of a ttbar pair in association with a hard photon at the Tevatron and the LHC. This process allows a direct measurement of the top quark electromagnetic couplings that, at the moment, are only loosely constrained. We include top quark decays, treating them in the narrow widt...
1711.06594
Alberto Salvio
Alberto Salvio
The Electroweak Vacuum Decay and the Gravitational Contribution
5 pages plus cover page, 4 figures, article based on an invited plenary talk at Top2017; v2: references added
null
null
CERN-TH-2017-243
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Whether the Standard Model electroweak vacuum is stable, metastable or unstable depends crucially on the top mass (and, to a lesser extent, on other measurable quantities). These topics are reviewed and updated by taking into account the most recent determination of the top and Higgs masses. Moreover, the correction ...
[ { "created": "Fri, 17 Nov 2017 15:37:27 GMT", "version": "v1" }, { "created": "Tue, 9 Jan 2018 13:48:02 GMT", "version": "v2" } ]
2018-01-10
[ [ "Salvio", "Alberto", "" ] ]
Whether the Standard Model electroweak vacuum is stable, metastable or unstable depends crucially on the top mass (and, to a lesser extent, on other measurable quantities). These topics are reviewed and updated by taking into account the most recent determination of the top and Higgs masses. Moreover, the correction to...
hep-ph/9804404
Eugene Levin
E.Gotsman, E.Levin and U.Maor (Tel Aviv Univ.)
Energy dependence of the survival probability of large rapidity gap
12 pages of text in latex file, 5 figures in eps files
Phys.Lett. B438 (1998) 229-234
10.1016/S0370-2693(98)00972-1
TAUP 2485-98
hep-ph
null
The energy dependence for the survival probability of large rapidity gaps (LRG) $< \mid S \mid^2 >$, is calculated in an Eikonal model assuming a Gaussian opacity. The parameters determining $< \mid S \mid^2 >$ are evaluated directly from experimental data, without further recourse to models. We find that $< \mid S \...
[ { "created": "Sun, 26 Apr 1998 10:46:46 GMT", "version": "v1" } ]
2019-08-17
[ [ "Gotsman", "E.", "", "Tel Aviv Univ." ], [ "Levin", "E.", "", "Tel Aviv Univ." ], [ "Maor", "U.", "", "Tel Aviv Univ." ] ]
The energy dependence for the survival probability of large rapidity gaps (LRG) $< \mid S \mid^2 >$, is calculated in an Eikonal model assuming a Gaussian opacity. The parameters determining $< \mid S \mid^2 >$ are evaluated directly from experimental data, without further recourse to models. We find that $< \mid S \mi...
2006.10758
Francesco Saturnino
Andreas Crivellin, Dario Mueller, Francesco Saturnino
Leptoquarks in Oblique Corrections and Higgs Signal Strength: Status and Prospects
34 pages, 7 figures, interaction term added, version accepted for publication in JHEP, added CEPC limits, corrected minor typos
null
10.1007/JHEP11(2020)094
PSI-PR-20-08 , ZU-TH 20/20
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Leptoquarks (LQs) are predicted within Grand Unified Theories and are well motivated by the current flavor anomalies. In this article we investigate the impact of scalar LQs on Higgs decays and oblique corrections as complementary observables in the search for them. Taking into account all five LQ representations und...
[ { "created": "Thu, 18 Jun 2020 18:00:01 GMT", "version": "v1" }, { "created": "Wed, 30 Sep 2020 09:41:38 GMT", "version": "v2" }, { "created": "Wed, 28 Oct 2020 09:10:30 GMT", "version": "v3" }, { "created": "Thu, 6 May 2021 06:51:54 GMT", "version": "v4" } ]
2021-05-07
[ [ "Crivellin", "Andreas", "" ], [ "Mueller", "Dario", "" ], [ "Saturnino", "Francesco", "" ] ]
Leptoquarks (LQs) are predicted within Grand Unified Theories and are well motivated by the current flavor anomalies. In this article we investigate the impact of scalar LQs on Higgs decays and oblique corrections as complementary observables in the search for them. Taking into account all five LQ representations under...
1206.1570
Ahmed Rashed Mr
Ernest Ma, Alexander Natale, and Ahmed Rashed
Scotogenic $A_4$ Neutrino Model for Nonzero $\theta_{13}$ and Large $\delta_{CP}$
12 pages, 12 figures
Int.J.Mod.Phys. A27 (2012) 1250134
10.1142/S0217751X12501345
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Assuming that neutrinos acquire radiative seesaw Majorana masses through their interactions with dark matter, i.e. scotogenic from the Greek 'scotos' meaning darkness, and using the non-Abelian discrete symmetry $A_4$, we propose a model of neutrino masses and mixing with nonzero $\theta_{13}$ and necessarily large l...
[ { "created": "Thu, 7 Jun 2012 18:29:57 GMT", "version": "v1" }, { "created": "Thu, 14 Jun 2012 18:14:35 GMT", "version": "v2" } ]
2012-08-28
[ [ "Ma", "Ernest", "" ], [ "Natale", "Alexander", "" ], [ "Rashed", "Ahmed", "" ] ]
Assuming that neutrinos acquire radiative seesaw Majorana masses through their interactions with dark matter, i.e. scotogenic from the Greek 'scotos' meaning darkness, and using the non-Abelian discrete symmetry $A_4$, we propose a model of neutrino masses and mixing with nonzero $\theta_{13}$ and necessarily large lep...
1503.02961
Jacopo Ferretti
J. Ferretti
Spectroscopy of higher bottomonia
Talk given at the conference "Dark Matter, Hadron Physics and Fusion Physics", Messina (Italy), September 24-26, 2014
EPJ Web Conf. 96 (2015) 01012
10.1051/epjconf/20159601012
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this contribution, we discuss our recent unquenched quark model results for the spectrum of $b \bar b$ mesons with self energy corrections, due to the coupling to the meson-meson continuum. Our unquenched quark model predictions for the masses of the recently discovered $\chi_b(3P)$ states are compared to those of...
[ { "created": "Tue, 10 Mar 2015 16:03:05 GMT", "version": "v1" } ]
2015-10-05
[ [ "Ferretti", "J.", "" ] ]
In this contribution, we discuss our recent unquenched quark model results for the spectrum of $b \bar b$ mesons with self energy corrections, due to the coupling to the meson-meson continuum. Our unquenched quark model predictions for the masses of the recently discovered $\chi_b(3P)$ states are compared to those of a...
hep-ph/9506280
Aram Kotzinian
John Ellis, Dmitri Kharzeev and Aram Kotzinian
The Proton Spin Puzzle and $\Lambda$ Polarization in Deep--Inelastic Scattering
16 pages, LaTeX, 9 eps figures uuencoded in separate file, typographical errors corrected
Z.Phys.C69:467-474,1996
10.1007/s002880050048
CERN-TH/95-135
hep-ph
null
We point out that measurements of longitudinal $\Lambda$ polarization in the target fragmentation region of deep--inelastic $\nu \,N$ and $\mu \,N$ or $e \, N$ scattering may test dynamical mechanisms invoked to explain the proton spin puzzle. A previously-proposed model for polarized $\bar s s$ pairs in the proton w...
[ { "created": "Fri, 9 Jun 1995 16:34:45 GMT", "version": "v1" }, { "created": "Wed, 14 Jun 1995 09:34:35 GMT", "version": "v2" }, { "created": "Wed, 21 Jun 1995 12:43:19 GMT", "version": "v3" } ]
2009-09-11
[ [ "Ellis", "John", "" ], [ "Kharzeev", "Dmitri", "" ], [ "Kotzinian", "Aram", "" ] ]
We point out that measurements of longitudinal $\Lambda$ polarization in the target fragmentation region of deep--inelastic $\nu \,N$ and $\mu \,N$ or $e \, N$ scattering may test dynamical mechanisms invoked to explain the proton spin puzzle. A previously-proposed model for polarized $\bar s s$ pairs in the proton wav...
1207.3954
Ning Li
Ning Li, Shi-Lin Zhu
Isospin breaking, coupled-channel effects, and X(3872)
published in Phys. Rev. D
Phys. Rev. D86, 074022 (2012)
10.1103/PhysRevD.86.074022
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We re-investigate the possibility of X(3872) as a $D\bar{D}^*$ molecule with $J^{PC}=1^{++}$ within the framework of both the one-pion-exchange (OPE) model and the one-boson-exchange (OBE) model. After careful treatment of the S-D wave mixing, the mass difference between the neutral and charged $D(D^*)$ mesons and th...
[ { "created": "Tue, 17 Jul 2012 11:33:56 GMT", "version": "v1" }, { "created": "Wed, 18 Jul 2012 08:44:17 GMT", "version": "v2" }, { "created": "Thu, 18 Oct 2012 01:42:02 GMT", "version": "v3" } ]
2012-10-19
[ [ "Li", "Ning", "" ], [ "Zhu", "Shi-Lin", "" ] ]
We re-investigate the possibility of X(3872) as a $D\bar{D}^*$ molecule with $J^{PC}=1^{++}$ within the framework of both the one-pion-exchange (OPE) model and the one-boson-exchange (OBE) model. After careful treatment of the S-D wave mixing, the mass difference between the neutral and charged $D(D^*)$ mesons and the ...
hep-ph/9404317
null
A. Das and M. Hott
Chiral Invariance of Massive Fermions
12 pages, UR-1352, ER-40685-803
Mod.Phys.Lett. A9 (1994) 2217-2225
10.1142/S0217732394002070
null
hep-ph hep-th
null
We show that a massive fermion theory, while not invariant under the conventional chiral transformation, is invariant under a $m$-deformed chiral transformation. These transformations and the associated conserved charges are nonlocal but reduce to the usual transformations and charges when $m=0$. The $m$-deformed cha...
[ { "created": "Thu, 21 Apr 1994 18:02:43 GMT", "version": "v1" } ]
2015-06-25
[ [ "Das", "A.", "" ], [ "Hott", "M.", "" ] ]
We show that a massive fermion theory, while not invariant under the conventional chiral transformation, is invariant under a $m$-deformed chiral transformation. These transformations and the associated conserved charges are nonlocal but reduce to the usual transformations and charges when $m=0$. The $m$-deformed charg...
0808.3902
Oleg Ruchayskiy
Alexey Boyarsky, Oleg Ruchayskiy, Dmytro Iakubovskyi
A lower bound on the mass of Dark Matter particles
20 pages, published in JCAP
JCAP 0903:005,2009
10.1088/1475-7516/2009/03/005
null
hep-ph astro-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the bounds on the mass of Dark Matter (DM) particles, coming from the analysis of DM phase-space distribution in dwarf spheroidal galaxies (dSphs). After reviewing the existing approaches, we choose two methods to derive such a bound. The first one depends on the information about the current phase space d...
[ { "created": "Thu, 28 Aug 2008 14:51:47 GMT", "version": "v1" }, { "created": "Tue, 3 Mar 2009 22:54:13 GMT", "version": "v2" } ]
2009-03-31
[ [ "Boyarsky", "Alexey", "" ], [ "Ruchayskiy", "Oleg", "" ], [ "Iakubovskyi", "Dmytro", "" ] ]
We discuss the bounds on the mass of Dark Matter (DM) particles, coming from the analysis of DM phase-space distribution in dwarf spheroidal galaxies (dSphs). After reviewing the existing approaches, we choose two methods to derive such a bound. The first one depends on the information about the current phase space dis...
1208.5328
Hajime Otsuka
Hiroyuki Abe, Junichiro Kawamura and Hajime Otsuka
The Higgs boson mass in a natural MSSM with nonuniversal gaugino masses at the GUT scale
14 pages, 5 figures, Typos corrected, references and comments added
null
10.1093/ptep/pts041
WU-HEP-12-05
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We identify a parameter region where the mass of the lightest CP-even Higgs boson resides in $124.4-126.8$ GeV, and at the same time the degree of tuning a Higgsino-mass parameter (so-called $\mu$-parameter) is relaxed above 10% in the minimal supersymmetric standard model (MSSM) with soft supersymmetry breaking term...
[ { "created": "Mon, 27 Aug 2012 08:35:04 GMT", "version": "v1" }, { "created": "Sun, 9 Sep 2012 08:14:50 GMT", "version": "v2" } ]
2016-06-21
[ [ "Abe", "Hiroyuki", "" ], [ "Kawamura", "Junichiro", "" ], [ "Otsuka", "Hajime", "" ] ]
We identify a parameter region where the mass of the lightest CP-even Higgs boson resides in $124.4-126.8$ GeV, and at the same time the degree of tuning a Higgsino-mass parameter (so-called $\mu$-parameter) is relaxed above 10% in the minimal supersymmetric standard model (MSSM) with soft supersymmetry breaking terms,...
hep-ph/9405298
Spanos Vasilis
A.B.Lahanas and V.C.Spanos
Static Quantities of the W-Boson in the MSSM
LateX 21 pages,with 4 figures - figs.3&4 sent upon request-, UA/NPPS-15/1994 In this revised version we correct numerical errors regarding the Higgs contributions and some missprints occuring in the original version. ( Revised )
Phys.Lett.B334:378-390,1994
10.1016/0370-2693(94)90703-X
null
hep-ph
null
We systematically analyze the anomalous dipole $\Delta k_{\gamma}$ and quadrupole $\Delta Q_{\gamma}$ moments of the W gauge bosons in the context of the minimal supersymmetric standard model as functions of the soft SUSY breaking parameters $A_0,m_0,M_{1/2}$ and the top quark mass. The severe constraints imposed by ...
[ { "created": "Mon, 16 May 1994 09:32:56 GMT", "version": "v1" }, { "created": "Wed, 15 Jun 1994 08:40:29 GMT", "version": "v2" } ]
2009-09-25
[ [ "Lahanas", "A. B.", "" ], [ "Spanos", "V. C.", "" ] ]
We systematically analyze the anomalous dipole $\Delta k_{\gamma}$ and quadrupole $\Delta Q_{\gamma}$ moments of the W gauge bosons in the context of the minimal supersymmetric standard model as functions of the soft SUSY breaking parameters $A_0,m_0,M_{1/2}$ and the top quark mass. The severe constraints imposed by th...
1910.09424
XiaoMin Shen
Ruibo Li, Xiao-Min Shen, Bo-Wen Wang, Kai Wang, Guohuai Zhu
Probing the trilinear Higgs boson self-coupling via single Higgs production at the LHeC
19 pages, 7 figures, 2 tables
Phys. Rev. D 101, 075036 (2020)
10.1103/PhysRevD.101.075036
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The determination of the Higgs self coupling is one of the key ingredients for understanding the mechanism behind the electroweak symmetry breaking. An indirect method for constraining the Higgs trilinear self coupling via single Higgs production at next-to-leading order (NLO) has been proposed in order to avoid the ...
[ { "created": "Mon, 21 Oct 2019 14:57:01 GMT", "version": "v1" }, { "created": "Fri, 17 Jan 2020 02:51:01 GMT", "version": "v2" }, { "created": "Sat, 22 Feb 2020 16:37:01 GMT", "version": "v3" } ]
2020-04-29
[ [ "Li", "Ruibo", "" ], [ "Shen", "Xiao-Min", "" ], [ "Wang", "Bo-Wen", "" ], [ "Wang", "Kai", "" ], [ "Zhu", "Guohuai", "" ] ]
The determination of the Higgs self coupling is one of the key ingredients for understanding the mechanism behind the electroweak symmetry breaking. An indirect method for constraining the Higgs trilinear self coupling via single Higgs production at next-to-leading order (NLO) has been proposed in order to avoid the dr...
hep-ph/0207042
Adrian Skelton
A. De Roeck (CERN), V.A. Khoze (Durham), A.D. Martin (Durham), R. Orava (Helsinki) and M.G. Ryskin (St. Petersburg)
Ways to detect a light Higgs boson at the LHC
25 pages, 5 figures
Eur.Phys.J.C25:391-403,2002
10.1007/s10052-002-1032-9
IPPP/02/29, DCPT/02/58
hep-ph
null
We summarize the possible processes which may be used to search for a Higgs boson, of mass in the range 114-130 GeV, at the LHC. We discuss, in detail, two processes with rapidity gaps: exclusive Higgs production with tagged outgoing protons and production by Weak Boson Fusion, in each case taking H -> bbbar as the s...
[ { "created": "Wed, 3 Jul 2002 10:19:22 GMT", "version": "v1" }, { "created": "Tue, 13 Aug 2002 12:47:55 GMT", "version": "v2" } ]
2011-09-13
[ [ "De Roeck", "A.", "", "CERN" ], [ "Khoze", "V. A.", "", "Durham" ], [ "Martin", "A. D.", "", "Durham" ], [ "Orava", "R.", "", "Helsinki" ], [ "Ryskin", "M. G.", "", "St. Petersburg" ] ]
We summarize the possible processes which may be used to search for a Higgs boson, of mass in the range 114-130 GeV, at the LHC. We discuss, in detail, two processes with rapidity gaps: exclusive Higgs production with tagged outgoing protons and production by Weak Boson Fusion, in each case taking H -> bbbar as the sig...
1711.05607
Ruibo Li
Ruibo Li, Xiao-Min Shen, Kai Wang, Tao Xu, Liangliang Zhang and Guohuai Zhu
Probing anomalous $WW\gamma$ Triple Gauge Bosons Coupling at LHeC
15 pages, 8 figures
Phys. Rev. D 97, 075043 (2018)
10.1103/PhysRevD.97.075043
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The precision measurement of the $WW\gamma$ vertex at the future Large Hadron electron Collider (LHeC) at CERN is discussed in this paper. We propose to measure this vertex in the $e^{-} p\to e^{-}W^{\pm}j$ channel as a complement to the conventional charged current $\nu_{e}\gamma j$ channel. In addition to the cross...
[ { "created": "Wed, 15 Nov 2017 15:00:59 GMT", "version": "v1" }, { "created": "Thu, 3 May 2018 15:30:00 GMT", "version": "v2" } ]
2018-05-09
[ [ "Li", "Ruibo", "" ], [ "Shen", "Xiao-Min", "" ], [ "Wang", "Kai", "" ], [ "Xu", "Tao", "" ], [ "Zhang", "Liangliang", "" ], [ "Zhu", "Guohuai", "" ] ]
The precision measurement of the $WW\gamma$ vertex at the future Large Hadron electron Collider (LHeC) at CERN is discussed in this paper. We propose to measure this vertex in the $e^{-} p\to e^{-}W^{\pm}j$ channel as a complement to the conventional charged current $\nu_{e}\gamma j$ channel. In addition to the cross s...
hep-ph/0308210
Robert Harlander
Robert Harlander, Matthias Steinhauser
Effects of SUSY-QCD in hadronic Higgs production at next-to-next-to-leading order
LaTeX, 5 pages, 3 embedded PostScript figures
Phys.Rev. D68 (2003) 111701
10.1103/PhysRevD.68.111701
CERN-TH 2003-195, DESY 03-109
hep-ph
null
An estimate of the NNLO supersymmetric QCD effects for Higgs production at hadron colliders is given. Assuming an effective gluon-Higgs interaction, these corrections enter only in terms of process-independent, factorizable terms. We argue that the current knowledge of these terms up to NLO is sufficient to derive th...
[ { "created": "Wed, 20 Aug 2003 16:20:29 GMT", "version": "v1" } ]
2009-11-10
[ [ "Harlander", "Robert", "" ], [ "Steinhauser", "Matthias", "" ] ]
An estimate of the NNLO supersymmetric QCD effects for Higgs production at hadron colliders is given. Assuming an effective gluon-Higgs interaction, these corrections enter only in terms of process-independent, factorizable terms. We argue that the current knowledge of these terms up to NLO is sufficient to derive the ...
hep-ph/0102220
Vladimir L. Rykov
A. Ogawa, V. L. Rykov and N. Saito
Physics Beyond SM at RHIC with Polarized Protons
Report to the 14th International Symposium on Spin Physics, October 16-21, 2000, RCNP, Osaka University, Osaka, Japan. To be published in the Proceedings, 6 pages
null
10.1063/1.1384085
null
hep-ph
null
The capabilities of RHIC with polarized protons to test the Lorentz structure of electroweak interactions and also the properties of MSSM Higgs, should it be discovered, are discussed.
[ { "created": "Sun, 18 Feb 2001 01:12:19 GMT", "version": "v1" } ]
2009-11-07
[ [ "Ogawa", "A.", "" ], [ "Rykov", "V. L.", "" ], [ "Saito", "N.", "" ] ]
The capabilities of RHIC with polarized protons to test the Lorentz structure of electroweak interactions and also the properties of MSSM Higgs, should it be discovered, are discussed.
2108.00055
Giulio Gambuti
Fabrizio Caola, Amlan Chakraborty, Giulio Gambuti, Andreas von Manteuffel, Lorenzo Tancredi
Three-loop helicity amplitudes for four-quark scattering in massless QCD
33 pages, 5 figures, 3 tables; electronic files with analytical results. Added references, fixed typos, fixed ancillary files
J. High Energ. Phys. 2021, 206 (2021)
10.1007/JHEP10(2021)206
MSUHEP-21-16, OUTP-21-20P
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the three-loop corrections to the helicity amplitudes for $q\bar{q}\to Q\bar{Q}$ scattering in massless QCD. In the Lorentz decomposition of the scattering amplitude we avoid evanescent Lorentz structures and map the corresponding form factors directly to the physical helicity amplitudes. We reduce the amp...
[ { "created": "Fri, 30 Jul 2021 19:38:40 GMT", "version": "v1" }, { "created": "Fri, 14 Jan 2022 11:39:58 GMT", "version": "v2" } ]
2022-01-17
[ [ "Caola", "Fabrizio", "" ], [ "Chakraborty", "Amlan", "" ], [ "Gambuti", "Giulio", "" ], [ "von Manteuffel", "Andreas", "" ], [ "Tancredi", "Lorenzo", "" ] ]
We compute the three-loop corrections to the helicity amplitudes for $q\bar{q}\to Q\bar{Q}$ scattering in massless QCD. In the Lorentz decomposition of the scattering amplitude we avoid evanescent Lorentz structures and map the corresponding form factors directly to the physical helicity amplitudes. We reduce the ampli...
2103.08616
Thomas Kwasnitza
Thomas Kwasnitza, Dominik St\"ockinger
Resummation of terms enhanced by trilinear squark-Higgs couplings in the MSSM
35 pages
null
10.1007/JHEP08(2021)070
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the appearance of the trilinear squark-Higgs couplings $x_q$ in Green functions in the Higgs sector of the MSSM and in threshold corrections to the SM. The results are constraints on maximal powers of $x_q$ in QCD-related loop corrections. In practice these often imply all-order resummations of leading or ...
[ { "created": "Mon, 15 Mar 2021 18:00:15 GMT", "version": "v1" } ]
2021-09-01
[ [ "Kwasnitza", "Thomas", "" ], [ "Stöckinger", "Dominik", "" ] ]
We analyze the appearance of the trilinear squark-Higgs couplings $x_q$ in Green functions in the Higgs sector of the MSSM and in threshold corrections to the SM. The results are constraints on maximal powers of $x_q$ in QCD-related loop corrections. In practice these often imply all-order resummations of leading or su...
2404.04855
Jia-Lu Zhang
Chao Han (1), Wei Wang (1 and 2), Jun Zeng (1) and Jia-Lu Zhang (1) ((1) NPAC, Key Laboratory for Particle Astrophysics and Cosmology (MOE), Shanghai Key Laboratory for Particle Physics and Cosmology, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, China, (2) Southern Center for Nuclea...
Lightcone and quasi distribution amplitudes for light octet and decuplet baryons
null
JHEP07(2024)019
10.1007/JHEP07(2024)019
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a comprehensive investigation of leading-twist lightcone distribution amplitudes (LCDAs) and quasi distribution amplitudes (quasi-DAs) for light octet and decuplet baryons within large momentum effective theory. In LaMET, LCDAs can be factorized in terms of a hard kernel and quasi-DAs that are defined as s...
[ { "created": "Sun, 7 Apr 2024 08:03:04 GMT", "version": "v1" }, { "created": "Thu, 11 Apr 2024 03:15:03 GMT", "version": "v2" }, { "created": "Mon, 3 Jun 2024 06:46:22 GMT", "version": "v3" } ]
2024-07-08
[ [ "Han", "Chao", "", "1 and 2" ], [ "Wang", "Wei", "", "1 and 2" ], [ "Zeng", "Jun", "" ], [ "Zhang", "Jia-Lu", "" ] ]
We present a comprehensive investigation of leading-twist lightcone distribution amplitudes (LCDAs) and quasi distribution amplitudes (quasi-DAs) for light octet and decuplet baryons within large momentum effective theory. In LaMET, LCDAs can be factorized in terms of a hard kernel and quasi-DAs that are defined as spa...
1412.4534
Vladimir Galkin
D. Ebert, R. N. Faustov, V. O. Galkin
Strong decays of vector mesons to pseudoscalar mesons in the relativistic quark model
11 pages, 1 figure, version to be published in Physics Letters B
null
10.1016/j.physletb.2015.03.019
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Strong decays of vector ($^3S_1$) mesons to the pair of pseudoscalar ($^1S_0$) mesons are considered in the framework of the microscopic decay mechanism and the relativistic quark model based on the quasipotential approach. The quark-antiquark potential, which was previously used for the successful description of mes...
[ { "created": "Mon, 15 Dec 2014 11:02:29 GMT", "version": "v1" }, { "created": "Fri, 13 Mar 2015 11:17:04 GMT", "version": "v2" } ]
2015-06-23
[ [ "Ebert", "D.", "" ], [ "Faustov", "R. N.", "" ], [ "Galkin", "V. O.", "" ] ]
Strong decays of vector ($^3S_1$) mesons to the pair of pseudoscalar ($^1S_0$) mesons are considered in the framework of the microscopic decay mechanism and the relativistic quark model based on the quasipotential approach. The quark-antiquark potential, which was previously used for the successful description of meson...
hep-ph/0509263
Jacobus Verbaarschot
J.C. Osborn, K. Splittorff and J.J.M. Verbaarschot
Chiral Symmetry Breaking at Nonzero Chemical Potential
Invited talk at the International Conference on QCD and Hadronic Physics, Beijing, June 16-20, 2005. Latex, 6 pages, 3 figures
Int.J.Mod.Phys. A21 (2006) 859-864
10.1142/S0217751X06032174
SUNY-NTG-2005/21
hep-ph
null
We consider chiral symmetry breaking at nonzero chemical potential and discuss the relation with the spectrum of the Dirac operator. We solve the so called Silver Blaze Problem that the chiral condensate at zero temperature does not depend on the chemical potential while this is not the case for the Dirac spectrum an...
[ { "created": "Fri, 23 Sep 2005 14:29:11 GMT", "version": "v1" } ]
2009-11-11
[ [ "Osborn", "J. C.", "" ], [ "Splittorff", "K.", "" ], [ "Verbaarschot", "J. J. M.", "" ] ]
We consider chiral symmetry breaking at nonzero chemical potential and discuss the relation with the spectrum of the Dirac operator. We solve the so called Silver Blaze Problem that the chiral condensate at zero temperature does not depend on the chemical potential while this is not the case for the Dirac spectrum and ...
hep-ph/0209236
Dr. Avijit K. Ganguly
Kaushik Bhattacharya, Avijit K. Ganguly
Neutrino Photon Interaction in a Magnetized Medium II
Twelve pages, one Figure. Needs axodraw.sty
null
null
IMSc/2002/07/21, SINP/TNP/02-28
hep-ph
null
In the presence of a thermal medium or an external electro-magnetic field, neutrinos can interact with photon, mediated by the corresponding charged leptons (real or virtual). The effect of a medium or an electromagnetic field is two-fold - to induce an effective $\nu \gamma$ vertex and to modify the dispersion relat...
[ { "created": "Fri, 20 Sep 2002 11:52:30 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bhattacharya", "Kaushik", "" ], [ "Ganguly", "Avijit K.", "" ] ]
In the presence of a thermal medium or an external electro-magnetic field, neutrinos can interact with photon, mediated by the corresponding charged leptons (real or virtual). The effect of a medium or an electromagnetic field is two-fold - to induce an effective $\nu \gamma$ vertex and to modify the dispersion relatio...
hep-ph/9506445
null
Reginald T. Cahill and Susan M. Gunner (Department of Physics, Flinders University)
Quark and Gluon Propagators from Meson Data
12 pages. Extended text. 3 new figures. Figures also available from Reg.Cahill@flinders.edu.au
Phys.Lett. B359 (1995) 281-287
10.1016/0370-2693(95)01106-Z
null
hep-ph nucl-th
null
We report robust calculations of various low energy QCD hadronic properties. We use a multi-rank separable expansion for the gluon propagator which greatly facilitates the numerical computations within the Global Colour Model for QCD. The parameters for the propagators are determined by fitting experimental values fo...
[ { "created": "Wed, 28 Jun 1995 05:15:51 GMT", "version": "v1" }, { "created": "Tue, 22 Aug 1995 00:04:07 GMT", "version": "v2" } ]
2009-10-28
[ [ "Cahill", "Reginald T.", "", "Department of Physics,\n Flinders University" ], [ "Gunner", "Susan M.", "", "Department of Physics,\n Flinders University" ] ]
We report robust calculations of various low energy QCD hadronic properties. We use a multi-rank separable expansion for the gluon propagator which greatly facilitates the numerical computations within the Global Colour Model for QCD. The parameters for the propagators are determined by fitting experimental values for ...
hep-ph/0610021
Daniel Zwanziger
Daniel Zwanziger
Equation of State of Gluon Plasma from Local Action
14 pages. Version 3 contains a more physical and clearer derivation which explains the relation of the result to the cut-off at the Gribov horizon
Phys.Rev.D76:125014,2007
10.1103/PhysRevD.76.125014
null
hep-ph hep-lat hep-th
null
We review recent analytic and numerical results concerning the confinement scenario in Coulomb gauge. We then consider a local, renormalizable, BRST-invariant action for QCD in Coulomb gauge that contains auxiliary bose and fermi ghost fields and sources. When the auxiliary fields are integrated out, one obtains the ...
[ { "created": "Mon, 2 Oct 2006 15:10:47 GMT", "version": "v1" }, { "created": "Fri, 13 Oct 2006 15:55:37 GMT", "version": "v2" }, { "created": "Mon, 15 Oct 2007 14:59:48 GMT", "version": "v3" } ]
2008-11-26
[ [ "Zwanziger", "Daniel", "" ] ]
We review recent analytic and numerical results concerning the confinement scenario in Coulomb gauge. We then consider a local, renormalizable, BRST-invariant action for QCD in Coulomb gauge that contains auxiliary bose and fermi ghost fields and sources. When the auxiliary fields are integrated out, one obtains the st...
1212.5029
Luigi Delle Rose
Claudio Coriano, Luigi Delle Rose, Emidio Gabrielli, Luca Trentadue
One loop Standard Model corrections to flavor diagonal fermion-graviton vertices
30 pages, 11 figures, revised final version, to appear on Phys. Rev. D
Phys.Rev.D87:054020,2013
10.1103/PhysRevD.87.054020
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We extend a previous analysis of flavor-changing fermion-graviton vertices, by adding the one-loop SM corrections to the flavor diagonal fermion-graviton interactions. Explicit analytical expressions taking into account fermion masses for the on-shell form factors are computed and presented. The infrared safety of th...
[ { "created": "Thu, 20 Dec 2012 13:38:29 GMT", "version": "v1" }, { "created": "Wed, 27 Feb 2013 22:01:20 GMT", "version": "v2" } ]
2013-04-12
[ [ "Coriano", "Claudio", "" ], [ "Rose", "Luigi Delle", "" ], [ "Gabrielli", "Emidio", "" ], [ "Trentadue", "Luca", "" ] ]
We extend a previous analysis of flavor-changing fermion-graviton vertices, by adding the one-loop SM corrections to the flavor diagonal fermion-graviton interactions. Explicit analytical expressions taking into account fermion masses for the on-shell form factors are computed and presented. The infrared safety of the ...
1306.5620
Murat K\"oksal
A. A. Billur, M. Koksal
Probe of electromagnetic moments of the tau lepton in gamma-gamma collisions at the CLIC
17 pages, 5 figures, accepted by PRD
Phys. Rev. D 89, 037301 (2014)
10.1103/PhysRevD.89.037301
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We have investigated the electromagnetic moments of the tau lepton in $e^{+}e^{-} \rightarrow e^{+}\gamma^{*} \gamma^{*} e^{-}\rightarrow e^{+}\tau \bar{\tau}e^{-}$ process at the CLIC. We have obtained 95% confidence level bounds on the anomalous magnetic and electric dipole moments for various values of the integra...
[ { "created": "Mon, 24 Jun 2013 13:31:37 GMT", "version": "v1" }, { "created": "Sun, 9 Feb 2014 10:19:39 GMT", "version": "v2" } ]
2014-02-11
[ [ "Billur", "A. A.", "" ], [ "Koksal", "M.", "" ] ]
We have investigated the electromagnetic moments of the tau lepton in $e^{+}e^{-} \rightarrow e^{+}\gamma^{*} \gamma^{*} e^{-}\rightarrow e^{+}\tau \bar{\tau}e^{-}$ process at the CLIC. We have obtained 95% confidence level bounds on the anomalous magnetic and electric dipole moments for various values of the integrate...
hep-ph/9709417
Bruce Bassett
Bruce A. Bassett and Stefano Liberati (SISSA/ISAS)
Geometric Reheating after Inflation
5 pages, Revtex, 2 eps figures. Version to appear in Phys. Rev. D (Rapid Communication, July 15)
Phys.Rev.D58:021302,1998; Erratum-ibid.D60:049902,1999
10.1103/PhysRevD.58.021302 10.1103/PhysRevD.60.049902
null
hep-ph astro-ph gr-qc
null
Inflationary reheating via resonant production of non-minimally coupled scalar particles with only gravitational coupling is shown to be extremely strong, exhibiting a negative coupling instability for $\xi < 0$ and a wide resonance decay for $\xi \gg 1$. Since non-minimal fields are generic after renormalisation in ...
[ { "created": "Mon, 22 Sep 1997 11:28:11 GMT", "version": "v1" }, { "created": "Mon, 6 Oct 1997 13:06:29 GMT", "version": "v2" }, { "created": "Mon, 1 Jun 1998 17:36:16 GMT", "version": "v3" } ]
2014-11-17
[ [ "Bassett", "Bruce A.", "", "SISSA/ISAS" ], [ "Liberati", "Stefano", "", "SISSA/ISAS" ] ]
Inflationary reheating via resonant production of non-minimally coupled scalar particles with only gravitational coupling is shown to be extremely strong, exhibiting a negative coupling instability for $\xi < 0$ and a wide resonance decay for $\xi \gg 1$. Since non-minimal fields are generic after renormalisation in cu...
hep-ph/9610520
Jido Daisuke
D. Jido, M. Oka (Tokyo Inst. of Tech.) and A. Hosaka (Numazu Coll. of Tech.)
Suppression of PiNN(1535) Coupling in the QCD Sum Rule
6 pp, LaTeX
null
null
TIT/HEP-349/NP
hep-ph nucl-th
null
The \pi NN^* and \eta NN^* coupling constants are studied based on the two point functions between the vacuum and a one meson state in the soft meson limit. In terms of a suitably constructed interpolating field for the nucleon and resonances, we have found that the \pi NN^* couplings vanish, while \eta NN^* coupling...
[ { "created": "Tue, 29 Oct 1996 09:00:34 GMT", "version": "v1" }, { "created": "Mon, 17 Feb 1997 09:40:47 GMT", "version": "v2" } ]
2008-02-03
[ [ "Jido", "D.", "", "Tokyo Inst. of Tech." ], [ "Oka", "M.", "", "Tokyo Inst. of Tech." ], [ "Hosaka", "A.", "", "Numazu Coll. of\n Tech." ] ]
The \pi NN^* and \eta NN^* coupling constants are studied based on the two point functions between the vacuum and a one meson state in the soft meson limit. In terms of a suitably constructed interpolating field for the nucleon and resonances, we have found that the \pi NN^* couplings vanish, while \eta NN^* couplings ...
hep-ph/0102103
Martin Hirsch
M. Hirsch and S. F. King
Discriminating Neutrino See-Saw Models
Change of title, rewritten discussion, version accepted for publication in Phys. Lett. B
Phys.Lett. B516 (2001) 103-110
10.1016/S0370-2693(01)00912-1
null
hep-ph hep-ex
null
We consider how well current theories can predict neutrino mass and mixing parameters, and construct a statistical discriminator which allows us to compare different models to each other. As an example we consider see-saw models based on family symmetry, and single right-handed neutrino dominance, and compare them to...
[ { "created": "Thu, 8 Feb 2001 16:12:44 GMT", "version": "v1" }, { "created": "Sun, 11 Feb 2001 16:51:17 GMT", "version": "v2" }, { "created": "Thu, 9 Aug 2001 14:03:21 GMT", "version": "v3" } ]
2009-11-07
[ [ "Hirsch", "M.", "" ], [ "King", "S. F.", "" ] ]
We consider how well current theories can predict neutrino mass and mixing parameters, and construct a statistical discriminator which allows us to compare different models to each other. As an example we consider see-saw models based on family symmetry, and single right-handed neutrino dominance, and compare them to e...
1511.02449
Amir Fariborz
Amir H. Fariborz, Azizollah Azizi, Abdorreza Asrar
Proximity of $f_0(1500)$ and $f_0(1710)$ to the scalar glueball
Journal ref added, Refs updated
Phys.Rev. D92 (2015) 11, 113003
10.1103/PhysRevD.92.113003
null
hep-ph hep-ex hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Within a nonlinear chiral Lagrangian framework, the underlying mixings among quark-antiquark, four-quark and glue components of $f_0(1500)$ and $f_0(1710)$ are studied in a global picture that includes all isosinglet scalar mesons below 2 GeV. The quark components are introduced in the Lagrangian in terms of two sepa...
[ { "created": "Sun, 8 Nov 2015 06:53:46 GMT", "version": "v1" }, { "created": "Sat, 9 Jan 2016 23:14:41 GMT", "version": "v2" } ]
2016-01-20
[ [ "Fariborz", "Amir H.", "" ], [ "Azizi", "Azizollah", "" ], [ "Asrar", "Abdorreza", "" ] ]
Within a nonlinear chiral Lagrangian framework, the underlying mixings among quark-antiquark, four-quark and glue components of $f_0(1500)$ and $f_0(1710)$ are studied in a global picture that includes all isosinglet scalar mesons below 2 GeV. The quark components are introduced in the Lagrangian in terms of two separa...
1802.10184
Maxim Khlopov
Maxim Yu. Khlopov
Probes for Dark Matter Physics
Invited contribution to the IJMPD special issue "New trends in High Energy Physics. Cosmology and Astroparticle physics". arXiv admin note: text overlap with arXiv:1711.10773, arXiv:1402.0181
null
10.1142/S0218271818410134
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and to consist of new stable particles. However if composite dark matter contains stable electrically charged leptons and quarks bound by ordinary Coulomb interaction in elusive dark atoms...
[ { "created": "Mon, 26 Feb 2018 18:11:34 GMT", "version": "v1" } ]
2018-05-02
[ [ "Khlopov", "Maxim Yu.", "" ] ]
The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and to consist of new stable particles. However if composite dark matter contains stable electrically charged leptons and quarks bound by ordinary Coulomb interaction in elusive dark atoms, ...
2307.01792
Wenyang Qian
Jo\~ao Barata, Xiaojian Du, Meijian Li, Wenyang Qian, Carlos A. Salgado
Quantum simulation of in-medium QCD jets: momentum broadening, gluon production, and entropy growth
16 pages, 12 figures
null
10.1103/PhysRevD.108.056023
null
hep-ph nucl-th quant-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
Jets provide one of the primary probes of the quark-gluon plasma produced in ultrarelativistic heavy ion collisions and the cold nuclear matter explored in deep inelastic scattering experiments. However, despite important developments in the last years, a description of the real-time evolution of QCD jets inside a me...
[ { "created": "Tue, 4 Jul 2023 16:02:20 GMT", "version": "v1" } ]
2024-01-10
[ [ "Barata", "João", "" ], [ "Du", "Xiaojian", "" ], [ "Li", "Meijian", "" ], [ "Qian", "Wenyang", "" ], [ "Salgado", "Carlos A.", "" ] ]
Jets provide one of the primary probes of the quark-gluon plasma produced in ultrarelativistic heavy ion collisions and the cold nuclear matter explored in deep inelastic scattering experiments. However, despite important developments in the last years, a description of the real-time evolution of QCD jets inside a medi...
2003.06263
Jaime Hern\'andez-S\'anchez Dr.
J. Hernandez-Sanchez, C. G. Honorato, S. Moretti, S. Rosado-Navarro
Charged Higgs boson production via $cb-$fusion at the Large Hadron Collider
11 pages, 11 figures. Article published in Physical Review D. arXiv admin note: text overlap with arXiv:1811.05476
Phys. Rev. D 102, 055008 (2020)
10.1103/PhysRevD.102.055008
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyse the production of a light charged Higgs boson at the Large Hadron Collider (LHC) via the quark-fusion mechanism $c \bar{b} \to H^- $ considering the decay channel $H^- \to \tau \bar \nu_\tau$ in the final state. We study this process in the framework of the 2-Higgs Doublet Model Type III (2HDM-III) which a...
[ { "created": "Thu, 12 Mar 2020 01:34:48 GMT", "version": "v1" }, { "created": "Fri, 18 Sep 2020 01:13:28 GMT", "version": "v2" } ]
2020-09-22
[ [ "Hernandez-Sanchez", "J.", "" ], [ "Honorato", "C. G.", "" ], [ "Moretti", "S.", "" ], [ "Rosado-Navarro", "S.", "" ] ]
We analyse the production of a light charged Higgs boson at the Large Hadron Collider (LHC) via the quark-fusion mechanism $c \bar{b} \to H^- $ considering the decay channel $H^- \to \tau \bar \nu_\tau$ in the final state. We study this process in the framework of the 2-Higgs Doublet Model Type III (2HDM-III) which ass...
1404.1058
Brian Henning
Brian Henning, Xiaochuan Lu, Hitoshi Murayama
What do precision Higgs measurements buy us?
3 figures, 2 tables
null
null
UCB-PTH-14/06, IPMU14-0082
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the sensitivities of future precision Higgs measurements and electroweak observables in probing physics beyond the Standard Model. Using effective field theory--appropriate since precision measurements are indirect probes of new physics--we examine two well-motivated test cases. One is a tree-level example d...
[ { "created": "Thu, 3 Apr 2014 19:38:53 GMT", "version": "v1" } ]
2014-04-04
[ [ "Henning", "Brian", "" ], [ "Lu", "Xiaochuan", "" ], [ "Murayama", "Hitoshi", "" ] ]
We study the sensitivities of future precision Higgs measurements and electroweak observables in probing physics beyond the Standard Model. Using effective field theory--appropriate since precision measurements are indirect probes of new physics--we examine two well-motivated test cases. One is a tree-level example due...
1604.00964
Zbigniew Was
J. Kalinowski, W. Kotlarski, E. Richter-Was and Z. Was
Production of tau lepton pairs with high pT jets at the LHC and the TauSpinner reweighting algorithm
33 pages 7 figures
null
10.1140/epjc/s10052-016-4361-9
IFJPAN-IV-2016-4
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The TauSpinner algorithm allows to modify the physics of the Monte Carlo generated samples due to the changed assumptions of event production dynamics, without re-generating events. To each event it attributes weights: the spin effects of tau-lepton production or decay, or the production mechanism are modified. There...
[ { "created": "Mon, 4 Apr 2016 18:01:32 GMT", "version": "v1" } ]
2016-11-03
[ [ "Kalinowski", "J.", "" ], [ "Kotlarski", "W.", "" ], [ "Richter-Was", "E.", "" ], [ "Was", "Z.", "" ] ]
The TauSpinner algorithm allows to modify the physics of the Monte Carlo generated samples due to the changed assumptions of event production dynamics, without re-generating events. To each event it attributes weights: the spin effects of tau-lepton production or decay, or the production mechanism are modified. There i...
1802.10175
Sebastian Wild
Felix Kahlhoefer, Florian Reindl, Karoline Sch\"affner, Kai Schmidt-Hoberg, Sebastian Wild
Model-independent comparison of annual modulation and total rate with direct detection experiments
27 pages, 9 figures. v2: references added; v3: discussion of new DAMA results with lower threshold added; v4: matches published version
JCAP 1805 (2018) no.05, 074
10.1088/1475-7516/2018/05/074
DESY-18-028, TTK-18-08
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
The relative sensitivity of different direct detection experiments depends sensitively on the astrophysical distribution and particle physics nature of dark matter, prohibiting a model-independent comparison. The situation changes fundamentally if two experiments employ the same target material. We show that in this ...
[ { "created": "Tue, 27 Feb 2018 21:33:27 GMT", "version": "v1" }, { "created": "Mon, 5 Mar 2018 15:06:31 GMT", "version": "v2" }, { "created": "Thu, 29 Mar 2018 12:37:08 GMT", "version": "v3" }, { "created": "Wed, 6 Jun 2018 09:38:39 GMT", "version": "v4" } ]
2018-06-13
[ [ "Kahlhoefer", "Felix", "" ], [ "Reindl", "Florian", "" ], [ "Schäffner", "Karoline", "" ], [ "Schmidt-Hoberg", "Kai", "" ], [ "Wild", "Sebastian", "" ] ]
The relative sensitivity of different direct detection experiments depends sensitively on the astrophysical distribution and particle physics nature of dark matter, prohibiting a model-independent comparison. The situation changes fundamentally if two experiments employ the same target material. We show that in this ca...
0706.3870
Fritz W. Bopp
F.W.Bopp, R.Engel, J.Ranft, and S.Roesler
Antibaryon to Baryon Production Ratios in Pb-Pb and p-p collision at LHC energies of the DPMJET-III Monte Carlo
Presented at "Heavy Ion Collisions at the LHC: last call for predictions", Geneva Switzerland, May 14th-June 8th
Fizika B17:159-166,2008
null
SI-HEP-2007-09
hep-ph
null
A sizable component of stopped baryons is predicted for pp and P bP b collisions at LHC. Based on an analysis of RHIC data within framework of our multichain Monte Carlo DPMJET-III the LHC predictions are presented.
[ { "created": "Tue, 26 Jun 2007 16:45:08 GMT", "version": "v1" } ]
2009-02-20
[ [ "Bopp", "F. W.", "" ], [ "Engel", "R.", "" ], [ "Ranft", "J.", "" ], [ "Roesler", "S.", "" ] ]
A sizable component of stopped baryons is predicted for pp and P bP b collisions at LHC. Based on an analysis of RHIC data within framework of our multichain Monte Carlo DPMJET-III the LHC predictions are presented.
hep-ph/0108015
Marty Stock
R.L. Jaffe
Delocalization of the axial charge in the chiral limit
Revised content: Further explanation of the limit m_pi -> 0 and an example of a physical process (spin-spin interaction in a hydrogenic atom mediated by Z^0 exchange) which can, in principle, measure the delocalization of g_A. Ten pages using RevTeX; email correspondence to R.L. Jaffe <jaffe@mit.edu>
Phys.Lett. B529 (2002) 105-110
10.1016/S0370-2693(02)01242-X
MIT-CTP-3171
hep-ph hep-lat hep-th nucl-th
null
The nucleon's axial vector charge, g_A, becomes delocalized in the chiral limit. When m_\pi = 0, and SU(2)_L x SU(2)_R is exact, 1/3 of the nucleon's axial charge is to be found at infinite distance from the nucleon. For finite m_\pi this result is approached smoothly as m_\pi -> 0. We illustrate this effect by consi...
[ { "created": "Thu, 2 Aug 2001 22:03:21 GMT", "version": "v1" }, { "created": "Thu, 3 Jan 2002 19:13:39 GMT", "version": "v2" } ]
2009-11-07
[ [ "Jaffe", "R. L.", "" ] ]
The nucleon's axial vector charge, g_A, becomes delocalized in the chiral limit. When m_\pi = 0, and SU(2)_L x SU(2)_R is exact, 1/3 of the nucleon's axial charge is to be found at infinite distance from the nucleon. For finite m_\pi this result is approached smoothly as m_\pi -> 0. We illustrate this effect by conside...
2211.08289
Keisuke Harigaya
Keisuke Harigaya, Lian-Tao Wang
More axions from diluted domain walls
15 pages, 3 figures
null
null
null
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
We consider the scenario in which the Peccei-Quinn symmetry breaking is followed by a period of inflation. A particularly interesting case is that the string-domain wall network produced by the symmetry breaking enters the horizon after the QCD phase transition. We show that the abundance of axions produced by such a...
[ { "created": "Tue, 15 Nov 2022 16:44:25 GMT", "version": "v1" } ]
2022-11-16
[ [ "Harigaya", "Keisuke", "" ], [ "Wang", "Lian-Tao", "" ] ]
We consider the scenario in which the Peccei-Quinn symmetry breaking is followed by a period of inflation. A particularly interesting case is that the string-domain wall network produced by the symmetry breaking enters the horizon after the QCD phase transition. We show that the abundance of axions produced by such a s...
0710.5700
Andreas Ipp
Andreas Ipp, Antonino Di Piazza, J\"org Evers, Christoph H. Keitel
Photon polarization as a probe for quark-gluon plasma dynamics
12 pages, 4 figures; v2: discussion extended; accepted for publication in Physics Letters B
Phys.Lett.B666:315-319,2008
10.1016/j.physletb.2008.07.076
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Prospects of measuring polarized photons emitted from a quark-gluon plasma (QGP) are discussed. In particular, the detection of a possible quark spin polarization in a QGP using circularly polarized photons emitted from the plasma is studied. Photons leave the QGP without further interaction and thus provide a primar...
[ { "created": "Tue, 30 Oct 2007 18:08:30 GMT", "version": "v1" }, { "created": "Thu, 24 Jul 2008 16:10:34 GMT", "version": "v2" } ]
2008-11-26
[ [ "Ipp", "Andreas", "" ], [ "Di Piazza", "Antonino", "" ], [ "Evers", "Jörg", "" ], [ "Keitel", "Christoph H.", "" ] ]
Prospects of measuring polarized photons emitted from a quark-gluon plasma (QGP) are discussed. In particular, the detection of a possible quark spin polarization in a QGP using circularly polarized photons emitted from the plasma is studied. Photons leave the QGP without further interaction and thus provide a primary ...
hep-ph/9712437
Yuly Shabelsky
M.G.Ryskin and Yu.M.Shabelski (Petersburg Nuclear Physics Institute)
Elastic \rho' and \phi Meson Photo- and Electroproduction with Non-Resonant Background
11 pages, LaTeX, 5 figures in 9 additional eps files
Phys.Atom.Nucl. 62 (1999) 980-986; Yad.Fiz. 62 (1999) 1047-1053
null
null
hep-ph
null
The backgrounds due to the direct diffractive dissociation of the photon into the $\pi^+\pi^-$ as well as $K^+K^-$ pairs to the "elastic" diffractive $\rho '$ and $\phi $ mesons production in electron-proton collisions are calculated. It is shown that the role of background and background-resonant interference contri...
[ { "created": "Thu, 18 Dec 1997 12:06:09 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ryskin", "M. G.", "", "Petersburg Nuclear Physics Institute" ], [ "Shabelski", "Yu. M.", "", "Petersburg Nuclear Physics Institute" ] ]
The backgrounds due to the direct diffractive dissociation of the photon into the $\pi^+\pi^-$ as well as $K^+K^-$ pairs to the "elastic" diffractive $\rho '$ and $\phi $ mesons production in electron-proton collisions are calculated. It is shown that the role of background and background-resonant interference contribu...
2005.06487
Matthias Steinhauser
Matteo Fael, Kay Sch\"onwald, Matthias Steinhauser
The Kinetic Heavy Quark Mass to Three Loops
6 pages, v2: minor changes; matches published version
Phys. Rev. Lett. 125, 052003 (2020)
10.1103/PhysRevLett.125.052003
TTP20-020, P3H-20-018
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute three-loop corrections to the relation between the heavy quark masses defined in the pole and kinetic schemes. Using known relations between the pole and $\overline{\rm MS}$ quark masses we can establish precise relations between the kinetic and $\overline{\rm MS}$ charm and bottom masses. As compared to t...
[ { "created": "Wed, 13 May 2020 18:00:08 GMT", "version": "v1" }, { "created": "Sat, 28 Nov 2020 16:58:20 GMT", "version": "v2" } ]
2020-12-01
[ [ "Fael", "Matteo", "" ], [ "Schönwald", "Kay", "" ], [ "Steinhauser", "Matthias", "" ] ]
We compute three-loop corrections to the relation between the heavy quark masses defined in the pole and kinetic schemes. Using known relations between the pole and $\overline{\rm MS}$ quark masses we can establish precise relations between the kinetic and $\overline{\rm MS}$ charm and bottom masses. As compared to two...
2202.00338
Yuji Koike
Yuji Koike, Kazuki Takada, Sumire Usui, Kenta Yabe and Shinsuke Yoshida
Transverse Polarization of Hyperons Produced in Semi-Inclusive Deep Inelastic Scattering
21 pages, 5 figures. Typos and figures corrected. Some discussions added. Final version to appear in Phys. Rev. D
null
10.1103/PhysRevD.105.056021
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
We study the transverse polarization of hyperons produced in semi-inclusive deep inelastic scattering, $ep\to e\Lambda^\uparrow X$, in the framework of the collinear twist-3 factorization. The cross section from the twist-3 distribution functions and the twist-3 quark fragmentation functions is computed in the leadin...
[ { "created": "Tue, 1 Feb 2022 11:15:50 GMT", "version": "v1" }, { "created": "Wed, 16 Mar 2022 01:14:26 GMT", "version": "v2" } ]
2022-04-06
[ [ "Koike", "Yuji", "" ], [ "Takada", "Kazuki", "" ], [ "Usui", "Sumire", "" ], [ "Yabe", "Kenta", "" ], [ "Yoshida", "Shinsuke", "" ] ]
We study the transverse polarization of hyperons produced in semi-inclusive deep inelastic scattering, $ep\to e\Lambda^\uparrow X$, in the framework of the collinear twist-3 factorization. The cross section from the twist-3 distribution functions and the twist-3 quark fragmentation functions is computed in the leading ...
2108.03058
Ernesto Arganda
Ernesto Arganda, Leandro Da Rold, Daniel A. D\'iaz and Anibal D. Medina
Interpretation of LHC excesses in ditop and ditau channels as a 400-GeV pseudoscalar resonance
24 pages, 3 figures, 2 tables; matches version published in JHEP
JHEP 11 (2021) 119
10.1007/JHEP11(2021)119
IFT-UAM/CSIC-21-90
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Since the discovery in 2012 of the Higgs boson at the LHC, as the last missing piece of the Standard Model of particle physics, any hint of new physics has been intensively searched for, with no confirmation to date. There are however slight deviations from the SM that are worth investigating. The CMS collaboration h...
[ { "created": "Fri, 6 Aug 2021 11:19:32 GMT", "version": "v1" }, { "created": "Tue, 23 Nov 2021 23:24:11 GMT", "version": "v2" } ]
2021-11-25
[ [ "Arganda", "Ernesto", "" ], [ "Da Rold", "Leandro", "" ], [ "Díaz", "Daniel A.", "" ], [ "Medina", "Anibal D.", "" ] ]
Since the discovery in 2012 of the Higgs boson at the LHC, as the last missing piece of the Standard Model of particle physics, any hint of new physics has been intensively searched for, with no confirmation to date. There are however slight deviations from the SM that are worth investigating. The CMS collaboration has...
1712.07135
Oliver Fischer Dr.
David Curtin, Kaustubh Deshpande, Oliver Fischer, Jose Zurita
New Physics Opportunities for Long-Lived Particles at Electron-Proton Colliders
16 pages, 11 figures
null
10.1007/JHEP07(2018)024
TTP17-053
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Future electron-proton collider proposals like the LHeC or the FCC-eh can supply 1/ab of collisions with a center-of-mass energy in the TeV range, while maintaining a clean experimental environment more commonly associated with lepton colliders. We point out that this makes electron-proton colliders ideally suited to...
[ { "created": "Tue, 19 Dec 2017 19:00:07 GMT", "version": "v1" } ]
2018-08-01
[ [ "Curtin", "David", "" ], [ "Deshpande", "Kaustubh", "" ], [ "Fischer", "Oliver", "" ], [ "Zurita", "Jose", "" ] ]
Future electron-proton collider proposals like the LHeC or the FCC-eh can supply 1/ab of collisions with a center-of-mass energy in the TeV range, while maintaining a clean experimental environment more commonly associated with lepton colliders. We point out that this makes electron-proton colliders ideally suited to p...
hep-ph/0610437
Jianwei Qiu
Jian-Wei Qiu (Iowa State/BNL)
QCD Factorization for heavy quarkonium production at collider energies
7 pages, 12 figures, Talk presented at the Conference on Quark Confinement and Hadron Spectrum VII, Ponta Delgada, Portugal, 2-7 September, 2006
AIPConf.Proc.892:86-92,2007
10.1063/1.2714351
null
hep-ph
null
In this talk, I briefly review several models of the heavy quarkonium production at collider energies, and discuss the status of QCD factorization for these production models.
[ { "created": "Tue, 31 Oct 2006 15:37:50 GMT", "version": "v1" } ]
2008-11-26
[ [ "Qiu", "Jian-Wei", "", "Iowa State/BNL" ] ]
In this talk, I briefly review several models of the heavy quarkonium production at collider energies, and discuss the status of QCD factorization for these production models.
1212.2844
Nikolaos Kidonakis
Nikolaos Kidonakis
Single top and top pair production
6 pages, 5 figures; Proceedings of CKM 2012, the 7th International Workshop on the CKM Unitarity Triangle, Cincinnati, Ohio, USA, 28 September - 2 October 2012
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I present results for single-top and top-pair production at the LHC and the Tevatron. Higher-order two-loop corrections are used to achieve NNLL resummation, which is then used to derive NNLO soft-gluon corrections. Results are presented for total cross sections, top transverse momentum distributions, and top rapidit...
[ { "created": "Wed, 12 Dec 2012 15:40:58 GMT", "version": "v1" } ]
2012-12-13
[ [ "Kidonakis", "Nikolaos", "" ] ]
I present results for single-top and top-pair production at the LHC and the Tevatron. Higher-order two-loop corrections are used to achieve NNLL resummation, which is then used to derive NNLO soft-gluon corrections. Results are presented for total cross sections, top transverse momentum distributions, and top rapidity ...
1308.3462
Gudrun Heinrich
S. Alioli, S. Badger, J. Bellm, B. Biedermann, F. Boudjema, G. Cullen, A. Denner, H. van Deurzen, S. Dittmaier, R. Frederix, S. Frixione, M.V. Garzelli, S. Gieseke, E.W.N. Glover, N. Greiner, G. Heinrich, V. Hirschi, S. Hoeche, J. Huston, H. Ita, N. Kauer, F. Krauss, G. Luisoni, D. Maitre, F. Maltoni, P. Nason,...
Update of the Binoth Les Houches Accord for a standard interface between Monte Carlo tools and one-loop programs
24 pages, 1 pdf figure
null
10.1016/j.cpc.2013.10.020
MPP-2013-237
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an update of the Binoth Les Houches Accord (BLHA) to standardise the interface between Monte Carlo programs and codes providing one-loop matrix elements.
[ { "created": "Thu, 15 Aug 2013 17:24:04 GMT", "version": "v1" } ]
2015-06-16
[ [ "Alioli", "S.", "" ], [ "Badger", "S.", "" ], [ "Bellm", "J.", "" ], [ "Biedermann", "B.", "" ], [ "Boudjema", "F.", "" ], [ "Cullen", "G.", "" ], [ "Denner", "A.", "" ], [ "van Deurzen", "H.", ...
We present an update of the Binoth Les Houches Accord (BLHA) to standardise the interface between Monte Carlo programs and codes providing one-loop matrix elements.
hep-ph/9804459
Paolo Gondolo
Paolo Gondolo (MPI for Physics, Munich), Joakim Edsjo (CfPA, Berkeley)
Accurate neutralino relic density
Presented at Dark Matter 98, Marina del Rey, California, Feb 98. 4 pages, 2 figures
null
null
MPI-PhT/98-33
hep-ph
null
We enlarge our set of supersymmetric models and update accelerator constraints in our precise calculation of the relic density of the lightest neutralino, which includes relativistic Boltzmann averaging, subthreshold and resonant annihilations, and coannihilation processes among charginos and neutralinos.
[ { "created": "Thu, 30 Apr 1998 17:05:03 GMT", "version": "v1" } ]
2007-05-23
[ [ "Gondolo", "Paolo", "", "MPI for Physics, Munich" ], [ "Edsjo", "Joakim", "", "CfPA, Berkeley" ] ]
We enlarge our set of supersymmetric models and update accelerator constraints in our precise calculation of the relic density of the lightest neutralino, which includes relativistic Boltzmann averaging, subthreshold and resonant annihilations, and coannihilation processes among charginos and neutralinos.
1207.5081
Igor Shovkovy
Igor A. Shovkovy
Magnetic Catalysis: A Review
37 pages, to appear in Lect. Notes Phys. "Strongly interacting matter in magnetic fields" (Springer), edited by D. Kharzeev, K. Landsteiner, A. Schmitt, H.-U. Yee. Version 2: references added
Lect. Notes Phys. 871, 13 (2013)
10.1007/978-3-642-37305-3_2
null
hep-ph cond-mat.str-el nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We give an overview of the magnetic catalysis phenomenon. In the framework of quantum field theory, magnetic catalysis is broadly defined as an enhancement of dynamical symmetry breaking by an external magnetic field. We start from a brief discussion of spontaneous symmetry breaking and the role of a magnetic field i...
[ { "created": "Fri, 20 Jul 2012 23:59:48 GMT", "version": "v1" }, { "created": "Tue, 31 Jul 2012 00:25:57 GMT", "version": "v2" } ]
2013-07-18
[ [ "Shovkovy", "Igor A.", "" ] ]
We give an overview of the magnetic catalysis phenomenon. In the framework of quantum field theory, magnetic catalysis is broadly defined as an enhancement of dynamical symmetry breaking by an external magnetic field. We start from a brief discussion of spontaneous symmetry breaking and the role of a magnetic field in ...
hep-ph/0210435
Xiao-Gang He
X.-G. He (NTU), C.-S. Huang (ITP), X.-Q. Li (Nankai)
SU(3) and Nonet Breaking Effects in $K_L \to \gamma \gamma$ Induced by $s \to d + 2{gluon}$ due to Anomaly
RevTex, 12 Pages, no figures. Version to be published in PRD
Phys.Rev. D67 (2003) 096005
10.1103/PhysRevD.67.096005
null
hep-ph
null
In this paper we study the effects of $s\to d + 2{gluon}$ on $K_L \to \gamma\gamma$ in the Standard Model. We find that this interaction can induce new sizeable SU(3) and U(3) nonet breaking effects in $K_L - \eta, \eta'$ transitions and therefore in $K_L\to \gamma\gamma$ due to large matrix elements of $<\eta(\eta')...
[ { "created": "Thu, 31 Oct 2002 06:04:00 GMT", "version": "v1" }, { "created": "Tue, 20 May 2003 02:07:58 GMT", "version": "v2" } ]
2009-11-07
[ [ "He", "X. -G.", "", "NTU" ], [ "Huang", "C. -S.", "", "ITP" ], [ "Li", "X. -Q.", "", "Nankai" ] ]
In this paper we study the effects of $s\to d + 2{gluon}$ on $K_L \to \gamma\gamma$ in the Standard Model. We find that this interaction can induce new sizeable SU(3) and U(3) nonet breaking effects in $K_L - \eta, \eta'$ transitions and therefore in $K_L\to \gamma\gamma$ due to large matrix elements of $<\eta(\eta')|\...
0806.3837
Kazuhiro Tobe
Shigeki Matsumoto (Toyama U.), Takeo Moroi (Tohoku U.), Kazuhiro Tobe (Nagoya U.)
Testing the Littlest Higgs Model with T-parity at the Large Hadron Collider
26 pages, 6 figures
Phys.Rev.D78:055018,2008
10.1103/PhysRevD.78.055018
UT-HET 010, TU-820
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the framework of the littlest Higgs model with T-parity (LHT), we study the production processes of T-even (T_+) and T-odd (T_-) partners of the top quark at the Large Hadron Collider (LHC). We show that the signal events can be distinguished from the standard-model backgrounds, and that information about mass and...
[ { "created": "Tue, 24 Jun 2008 08:50:02 GMT", "version": "v1" } ]
2008-11-26
[ [ "Matsumoto", "Shigeki", "", "Toyama U." ], [ "Moroi", "Takeo", "", "Tohoku U." ], [ "Tobe", "Kazuhiro", "", "Nagoya U." ] ]
In the framework of the littlest Higgs model with T-parity (LHT), we study the production processes of T-even (T_+) and T-odd (T_-) partners of the top quark at the Large Hadron Collider (LHC). We show that the signal events can be distinguished from the standard-model backgrounds, and that information about mass and m...
1204.4183
Brooks Thomas
Keith R. Dienes, Shufang Su, Brooks Thomas
Distinguishing Dynamical Dark Matter at the LHC
17 pages, LaTeX, 10 figures
null
10.1103/PhysRevD.86.054008
UH511-1191-12
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dynamical dark matter (DDM) is a new framework for dark-matter physics in which the dark sector comprises an ensemble of individual component fields which collectively conspire to act in ways that transcend those normally associated with dark matter. Because of its non-trivial structure, this DDM ensemble --- unlike ...
[ { "created": "Wed, 18 Apr 2012 20:00:02 GMT", "version": "v1" } ]
2013-05-30
[ [ "Dienes", "Keith R.", "" ], [ "Su", "Shufang", "" ], [ "Thomas", "Brooks", "" ] ]
Dynamical dark matter (DDM) is a new framework for dark-matter physics in which the dark sector comprises an ensemble of individual component fields which collectively conspire to act in ways that transcend those normally associated with dark matter. Because of its non-trivial structure, this DDM ensemble --- unlike mo...
2201.05122
Andreas Lindner
Andreas Lindner and Khoirul Faiq Muzakka
Matching to Higgs-Compositeness and Renormalization of the Higgs-Electroweak Chiral Lagrangian extended by a Scalar Singlet
29 pages; added references
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We match the electroweak chiral Lagrangian with two singlet scalars to the next-to-minimal composite Higgs model with $ SO(6)/SO(5) $ coset structure and extract the scalar divergences to one loop. Assuming the additional scalar to be heavy, we integrate it out and perform a matching to the well-established electrowe...
[ { "created": "Thu, 13 Jan 2022 18:27:13 GMT", "version": "v1" }, { "created": "Sun, 17 Apr 2022 20:32:39 GMT", "version": "v2" } ]
2022-04-19
[ [ "Lindner", "Andreas", "" ], [ "Muzakka", "Khoirul Faiq", "" ] ]
We match the electroweak chiral Lagrangian with two singlet scalars to the next-to-minimal composite Higgs model with $ SO(6)/SO(5) $ coset structure and extract the scalar divergences to one loop. Assuming the additional scalar to be heavy, we integrate it out and perform a matching to the well-established electroweak...
hep-ph/0603094
Alfonso Zerwekh
Alfonso R. Zerwekh
Consequences of Partial Vector Meson Dominance for the Phenomenology of Colored Technihadrons
9 pages, 2 figures, final published version
Eur.Phys.J.C49:1077-1081,2007
10.1140/epjc/s10052-006-0184-4
null
hep-ph
null
In this paper we address the question: ``do the limits on technirho production at the Tevatron mean what we think they do ?'' These limits are based on calculations that rely on Vector Meson Dominance (VMD). VMD was invented in order to describe the interaction of electrons with hadrons (the rho meson and pions). The...
[ { "created": "Mon, 13 Mar 2006 15:42:45 GMT", "version": "v1" }, { "created": "Thu, 20 Sep 2007 14:51:17 GMT", "version": "v2" } ]
2008-11-26
[ [ "Zerwekh", "Alfonso R.", "" ] ]
In this paper we address the question: ``do the limits on technirho production at the Tevatron mean what we think they do ?'' These limits are based on calculations that rely on Vector Meson Dominance (VMD). VMD was invented in order to describe the interaction of electrons with hadrons (the rho meson and pions). The m...
hep-ph/9809317
Hiroshi Yokota
Hisao Nakkagawa and Hiroshi Yokota (Nara University, Japan)
Phase Structure of the Massive Scalar phi^4 Model at Finite Temperature -- Resummation Procedure a la RG improvement --
10 pages, RevTex file with twocolumn.sty and epsf.sty, including 3 figures (eps.file). Talk presented at TFT98. To be submitted to Proceedings
null
null
NUTP-9801
hep-ph
null
In this paper a resummation method inspired by the renormalization-group improvement is applied to the one-loop effective potential (EP) in massive scalar $\phi^4$ model at $T\neq0$. By investigating the phase structure of the model at $T \neq 0$ we get the following observations; i) Starting from the perturbative ca...
[ { "created": "Thu, 10 Sep 1998 08:14:41 GMT", "version": "v1" }, { "created": "Wed, 28 Oct 1998 07:45:05 GMT", "version": "v2" } ]
2007-05-23
[ [ "Nakkagawa", "Hisao", "", "Nara University, Japan" ], [ "Yokota", "Hiroshi", "", "Nara University, Japan" ] ]
In this paper a resummation method inspired by the renormalization-group improvement is applied to the one-loop effective potential (EP) in massive scalar $\phi^4$ model at $T\neq0$. By investigating the phase structure of the model at $T \neq 0$ we get the following observations; i) Starting from the perturbative calc...
hep-ph/9712421
Lucas Taylor
John Swain and Lucas Taylor
First unitarity-independent determination of the CKM matrix elements $V_{td}$, $V_{ts}$, and ${V_{tb}$ and the implications for unitarity
4 pages, no figures
null
null
null
hep-ph
null
The magnitudes of the CKM matrix elements $V_{td}$, $V_{ts}$, and $V_{tb}$ are determined for the first time without any assumptions of unitarity. The implications for the unitarity of the CKM matrix as a whole are discussed.
[ { "created": "Wed, 17 Dec 1997 16:23:48 GMT", "version": "v1" } ]
2007-05-23
[ [ "Swain", "John", "" ], [ "Taylor", "Lucas", "" ] ]
The magnitudes of the CKM matrix elements $V_{td}$, $V_{ts}$, and $V_{tb}$ are determined for the first time without any assumptions of unitarity. The implications for the unitarity of the CKM matrix as a whole are discussed.
1609.05882
Yongchao Zhang
Lucien Heurtier, Yongchao Zhang
Supernova Constraints on Massive (Pseudo)Scalar Coupling to Neutrinos
17 pages, 4 figures, version to appear in JCAP
JCAP02(2017)042
10.1088/1475-7516/2017/02/042
ULB-TH/16-16
hep-ph astro-ph.CO astro-ph.HE astro-ph.SR
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we derive constraints on the emission of a massive (pseudo)scalar $S$ from annihilation of neutrinos in the core of supernovae through the dimension-4 coupling $\nu\nu S$, as well as the effective dimension-5 operator $\frac{1}{\Lambda}(\nu\nu)(SS)$. While most of earlier studies have focused on massles...
[ { "created": "Mon, 19 Sep 2016 19:45:45 GMT", "version": "v1" }, { "created": "Wed, 22 Feb 2017 13:13:42 GMT", "version": "v2" } ]
2017-03-02
[ [ "Heurtier", "Lucien", "" ], [ "Zhang", "Yongchao", "" ] ]
In this paper we derive constraints on the emission of a massive (pseudo)scalar $S$ from annihilation of neutrinos in the core of supernovae through the dimension-4 coupling $\nu\nu S$, as well as the effective dimension-5 operator $\frac{1}{\Lambda}(\nu\nu)(SS)$. While most of earlier studies have focused on massless ...
1805.12162
Farinaldo Queiroz
Daniel A. Camargo, Yann Mambrini, Farinaldo S. Queiroz
XENON1T Takes a Razor to a Dark $E_6$-Inspired Model
7 pages, 3 figures
Phys.Lett. B786 (2018) 337-341
10.1016/j.physletb.2018.09.057
IIPDM-2018-07
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by the recent result of XENON1T collaboration with full exposure, 279 life days, that sets the most stringent limit on the spin-independent dark matter-nucleon scattering cross section we discuss a dark $E_6$-inspired model that features the presence of a $U(1)_{d-u}$ gauge symmetry. The dark matter candida...
[ { "created": "Wed, 30 May 2018 18:16:55 GMT", "version": "v1" }, { "created": "Fri, 9 Nov 2018 11:45:32 GMT", "version": "v2" } ]
2018-11-12
[ [ "Camargo", "Daniel A.", "" ], [ "Mambrini", "Yann", "" ], [ "Queiroz", "Farinaldo S.", "" ] ]
Motivated by the recent result of XENON1T collaboration with full exposure, 279 life days, that sets the most stringent limit on the spin-independent dark matter-nucleon scattering cross section we discuss a dark $E_6$-inspired model that features the presence of a $U(1)_{d-u}$ gauge symmetry. The dark matter candidate...
hep-ph/9710437
Stephen G. Naculich
Stephen G. Naculich
Fermion Vacuum Effects on Soliton Stability
4 pages, Latex, no figures. Talk given at the Workshop on Solitons, July 20-26, 1997, Kingston, Ontario, Canada
null
null
BOW-PH-109
hep-ph
null
Just as fermion zero modes can alter the degeneracy and quantum numbers of a soliton, fermion energies can affect the form and stability of a nontopological soliton. We discuss the kink in a two-dimensional linear sigma model, and show that, when coupled to fermions, the kink is no longer an extremum of the energy fu...
[ { "created": "Wed, 22 Oct 1997 15:21:35 GMT", "version": "v1" } ]
2007-05-23
[ [ "Naculich", "Stephen G.", "" ] ]
Just as fermion zero modes can alter the degeneracy and quantum numbers of a soliton, fermion energies can affect the form and stability of a nontopological soliton. We discuss the kink in a two-dimensional linear sigma model, and show that, when coupled to fermions, the kink is no longer an extremum of the energy func...
1810.11031
Antonio Pineda
C. Anzai, D. Moreno and A. Pineda
S-wave heavy quarkonium spectrum with next-to-next-to-next-to-leading logarithmic accuracy
44 pages, 11 figures; v2: 45 pages. Minor changes in the text. Small modifications in Figs. 1 and 10. Eqs. 74 and 75 modified. Conclusions unchanged. Journal version
Phys. Rev. D 98, 114034 (2018)
10.1103/PhysRevD.98.114034
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We obtain the Potential NRQCD Lagrangian relevant for S-wave states with next-next-to-next-to-leading logarithmic (NNNLL) accuracy. We compute the heavy quarkonium mass of spin-averaged $l= 0$ (angular momentum) states, with otherwise arbitrary quantum numbers, with NNNLL accuracy. These results are complete up to a ...
[ { "created": "Thu, 25 Oct 2018 18:00:15 GMT", "version": "v1" }, { "created": "Thu, 27 Dec 2018 17:01:06 GMT", "version": "v2" } ]
2019-01-02
[ [ "Anzai", "C.", "" ], [ "Moreno", "D.", "" ], [ "Pineda", "A.", "" ] ]
We obtain the Potential NRQCD Lagrangian relevant for S-wave states with next-next-to-next-to-leading logarithmic (NNNLL) accuracy. We compute the heavy quarkonium mass of spin-averaged $l= 0$ (angular momentum) states, with otherwise arbitrary quantum numbers, with NNNLL accuracy. These results are complete up to a mi...
2103.02491
Stefano Carignano
Stefano Carignano and Cristina Manuel
Measuring chiral imbalance with collisional energy loss
23 pages, 1 figure. v2: expanded discussion, typos fixed. matches published version
Phys. Rev. D 103, 116002 (2021)
10.1103/PhysRevD.103.116002
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the collisional energy loss of an {energetic} massive fermion crossing a chiral plasma at finite temperature characterized by an imbalance between the populations of left-handed and right-handed fermions. We find a new contribution to the energy loss which is proportional to the helicity of the test fermio...
[ { "created": "Wed, 3 Mar 2021 16:00:29 GMT", "version": "v1" }, { "created": "Mon, 7 Jun 2021 16:33:49 GMT", "version": "v2" } ]
2021-06-09
[ [ "Carignano", "Stefano", "" ], [ "Manuel", "Cristina", "" ] ]
We compute the collisional energy loss of an {energetic} massive fermion crossing a chiral plasma at finite temperature characterized by an imbalance between the populations of left-handed and right-handed fermions. We find a new contribution to the energy loss which is proportional to the helicity of the test fermion ...