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2109.02831
Qingwu Wang
Wen-Hua Cai and Qing-Wu Wang
Two-flavor color superconductivity in the Fierz-transfromed Nambu--Jona-Lasinio model
7 pages, 7 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The color superconducting phase of two-flavor quark matter is studied under a Fierz-transformed Lagrangian. In the Fierz-transformed Lagrangian both the quark-antiquark and quark-quark channel are included. Two parameters $\alpha$ and $\beta$ are introduced to weight the Fierz-transformed quark-antiquark Lagrangian a...
[ { "created": "Tue, 7 Sep 2021 02:57:52 GMT", "version": "v1" } ]
2021-09-08
[ [ "Cai", "Wen-Hua", "" ], [ "Wang", "Qing-Wu", "" ] ]
The color superconducting phase of two-flavor quark matter is studied under a Fierz-transformed Lagrangian. In the Fierz-transformed Lagrangian both the quark-antiquark and quark-quark channel are included. Two parameters $\alpha$ and $\beta$ are introduced to weight the Fierz-transformed quark-antiquark Lagrangian and...
2112.12157
Christian Ecker
Tuna Demircik, Christian Ecker, Matti J\"arvinen
Dense and Hot QCD at Strong Coupling
16 pages, 8 figures, comments welcome
null
10.1103/PhysRevX.12.041012
null
hep-ph astro-ph.HE gr-qc hep-th nucl-th
http://creativecommons.org/licenses/by/4.0/
We present a novel framework for the equation of state of dense and hot Quantum Chromodynamics (QCD), which focuses on the region of the phase diagram relevant for neutron star mergers and core-collapse supernovae. The model combines predictions from the gauge/gravity duality with input from lattice field theory, QCD...
[ { "created": "Wed, 22 Dec 2021 19:00:01 GMT", "version": "v1" } ]
2023-11-09
[ [ "Demircik", "Tuna", "" ], [ "Ecker", "Christian", "" ], [ "Järvinen", "Matti", "" ] ]
We present a novel framework for the equation of state of dense and hot Quantum Chromodynamics (QCD), which focuses on the region of the phase diagram relevant for neutron star mergers and core-collapse supernovae. The model combines predictions from the gauge/gravity duality with input from lattice field theory, QCD p...
2308.07503
Alfonso Ballon Bayona
Alfonso Ballon-Bayona, Tobias Frederico, Luis A. H. Mamani and Wayne de Paula
A dynamical holographic QCD model for spontaneous chiral symmetry breaking and confinement
36 pages, 20 figures
null
null
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we present a holographic realization of spontaneous chiral symmetry breaking and confinement. The latter is realized by building a solution of 5d Einstein-dilaton gravity leading to a confining quark antiquark potential. The 4d currents and the quark mass operator associated with chiral symmetry breaki...
[ { "created": "Mon, 14 Aug 2023 23:59:42 GMT", "version": "v1" } ]
2023-08-16
[ [ "Ballon-Bayona", "Alfonso", "" ], [ "Frederico", "Tobias", "" ], [ "Mamani", "Luis A. H.", "" ], [ "de Paula", "Wayne", "" ] ]
In this paper, we present a holographic realization of spontaneous chiral symmetry breaking and confinement. The latter is realized by building a solution of 5d Einstein-dilaton gravity leading to a confining quark antiquark potential. The 4d currents and the quark mass operator associated with chiral symmetry breaking...
hep-ph/0110177
Tariq Aziz
T. Aziz and A. Gurtu
Precision testing the Standard Model
7 pages, 4 figures
null
null
CERN-OPEN-2001-067
hep-ph
null
Internal consistency of the most sensitive electroweak measurements within the standard model framework is examined. Confirming an earlier observation on the separation of Z-pole asymmetry measurements into {\em hadronisation- free}and {\em hadronisation-sensitive}, the electroweak mixing angle derived using the form...
[ { "created": "Sun, 14 Oct 2001 13:02:37 GMT", "version": "v1" }, { "created": "Tue, 16 Oct 2001 08:27:21 GMT", "version": "v2" } ]
2007-05-23
[ [ "Aziz", "T.", "" ], [ "Gurtu", "A.", "" ] ]
Internal consistency of the most sensitive electroweak measurements within the standard model framework is examined. Confirming an earlier observation on the separation of Z-pole asymmetry measurements into {\em hadronisation- free}and {\em hadronisation-sensitive}, the electroweak mixing angle derived using the former...
0810.1407
Georg Raffelt
Georg G. Raffelt
Self-induced parametric resonance in collective neutrino oscillations
9 pages, 4 figures
Phys.Rev.D78:125015,2008
10.1103/PhysRevD.78.125015
MPP-2008-113
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We identify a generic new form of collective flavor oscillations in dense neutrino gases that amounts to a self-induced parametric resonance. It occurs in a homogeneous and isotropic ensemble when a range of neutrino modes is prepared in a different flavor than the neighboring modes with lower and higher energies. Th...
[ { "created": "Wed, 8 Oct 2008 11:40:06 GMT", "version": "v1" } ]
2010-04-15
[ [ "Raffelt", "Georg G.", "" ] ]
We identify a generic new form of collective flavor oscillations in dense neutrino gases that amounts to a self-induced parametric resonance. It occurs in a homogeneous and isotropic ensemble when a range of neutrino modes is prepared in a different flavor than the neighboring modes with lower and higher energies. The ...
0906.1751
Yoshimasa Hidaka
Yoshimasa Hidaka and Robert D. Pisarski
Hard thermal loops, to quadratic order, in the background of a spatial 't Hooft loop
52 pages, 10 figures; Eqs. (118), (137), and (158) have been corrected. We thank H. Nishimura and V. V. Skokov for pointing this out
Phys.Rev.D80:036004,2009
10.1103/PhysRevD.80.036004
KUNS-2216
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the simplest hard thermal loops for a spatial 't Hooft loop in the deconfined phase of a SU(N) gauge theory. We expand to quadratic order about a constant background field A_0 = Q/g, where Q is a diagonal, color matrix and g is the gauge coupling constant. We analyze the problem in sufficient generality th...
[ { "created": "Tue, 9 Jun 2009 14:53:04 GMT", "version": "v1" }, { "created": "Fri, 31 Jul 2009 04:27:50 GMT", "version": "v2" }, { "created": "Thu, 3 Sep 2020 03:00:17 GMT", "version": "v3" } ]
2020-09-04
[ [ "Hidaka", "Yoshimasa", "" ], [ "Pisarski", "Robert D.", "" ] ]
We compute the simplest hard thermal loops for a spatial 't Hooft loop in the deconfined phase of a SU(N) gauge theory. We expand to quadratic order about a constant background field A_0 = Q/g, where Q is a diagonal, color matrix and g is the gauge coupling constant. We analyze the problem in sufficient generality that...
hep-ph/9409314
Matthias Steinhauser
A. Kwiatkowski, M. Steinhauser
${\cal O}(\alpha\as \ln m_t^2)$ Non-Universal Corrections to the Decay Rate $\Gamma(Z\rightarrow b\bar{b})$
10 pages, Latex [ uses epsfig.sty, 3 figures not included ] A complete postscript file, including figures, is available via anonymous ftp at ttpux2.physik.uni-karlsruhe.de (129.13.102.139) as /ttp94-14/ttp94-14.ps, Local preprint# TTP94-14
Phys.Lett.B344:359-364,1995
10.1016/0370-2693(94)01568-W
null
hep-ph
null
The partial decay rate $\Gamma(Z\to b\bar{b})$ is significantly influenced by the mass of the top quark due to electroweak radiative corrections. The leading $\sim m_t^2$ and the next-to-leading contribution $\sim \ln m_t^2$ are known to be numerically of similar size. In this work we calculate the QCD corrections to...
[ { "created": "Wed, 14 Sep 1994 20:30:22 GMT", "version": "v1" } ]
2011-04-20
[ [ "Kwiatkowski", "A.", "" ], [ "Steinhauser", "M.", "" ] ]
The partial decay rate $\Gamma(Z\to b\bar{b})$ is significantly influenced by the mass of the top quark due to electroweak radiative corrections. The leading $\sim m_t^2$ and the next-to-leading contribution $\sim \ln m_t^2$ are known to be numerically of similar size. In this work we calculate the QCD corrections to t...
1701.08451
Andre Veiga Giannini
F. Carvalho, A.V. Giannini, V.P. Goncalves and F.S. Navarra
$D$ - meson production at very forward rapidities: estimating the intrinsic charm contribution
11 pages, 8 figures. v2: new references added, minor changes in the text, changes in the figures; v3: new results with better treatment for the fragmentation function of partons into D0/D0bar mesons; conclusions unchanged; matches the version published in Phys. Rev. D
Phys. Rev. D 96, 094002 (2017)
10.1103/PhysRevD.96.094002
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study $D$ - meson production at forward rapidities taking into account the non - linear effects in the QCD dynamics and the intrinsic charm component of the proton wave function. The total cross section, the rapidity distributions and the Feynman - $x$ distributions are calculated for $p p$ collisions at different...
[ { "created": "Sun, 29 Jan 2017 23:34:48 GMT", "version": "v1" }, { "created": "Mon, 17 Apr 2017 14:55:51 GMT", "version": "v2" }, { "created": "Thu, 8 Mar 2018 12:10:12 GMT", "version": "v3" } ]
2018-03-09
[ [ "Carvalho", "F.", "" ], [ "Giannini", "A. V.", "" ], [ "Goncalves", "V. P.", "" ], [ "Navarra", "F. S.", "" ] ]
We study $D$ - meson production at forward rapidities taking into account the non - linear effects in the QCD dynamics and the intrinsic charm component of the proton wave function. The total cross section, the rapidity distributions and the Feynman - $x$ distributions are calculated for $p p$ collisions at different c...
hep-ph/9604249
Colin Froggatt
A. T. Davies, C. D. Froggatt, G. Jenkins and R. G. Moorhouse
Electroweak Baryogenesis in a Supersymmetric Model
2 page LaTeX file with embedded style file; to appear in the Proceedings of the International Europhysics Conference on High Energy Physics, Brussels, Belgium, 27 July - 2 August 1995
null
null
GUTPA/95/10/2
hep-ph
null
In the electroweak phase transition there arises the problem of baryon number washout by sphaleron transitions, which can be avoided if the phase transition is strongly enough first order. The phase transition in the Standard Model or in the Minimal Supersymmetric Standard Model seems to be too weak to suppress the s...
[ { "created": "Thu, 4 Apr 1996 14:58:58 GMT", "version": "v1" } ]
2007-05-23
[ [ "Davies", "A. T.", "" ], [ "Froggatt", "C. D.", "" ], [ "Jenkins", "G.", "" ], [ "Moorhouse", "R. G.", "" ] ]
In the electroweak phase transition there arises the problem of baryon number washout by sphaleron transitions, which can be avoided if the phase transition is strongly enough first order. The phase transition in the Standard Model or in the Minimal Supersymmetric Standard Model seems to be too weak to suppress the sph...
hep-ph/9710550
Gustavo Burdman
Gustavo Burdman
Short Distance Coefficients and the Vanishing of the Lepton Asymmetry in $B\to V\ell^+\ell^-$
10 pages, LaTeX, 1 postscript figure
Phys.Rev. D57 (1998) 4254-4257
10.1103/PhysRevD.57.4254
MADPH-97-1016
hep-ph
null
We derive a condition the short distance coefficients governing $b\to (s,d)\ell^+\ell^-$ transitions must satisfy in order for the forward-backward asymmetry to vanish in the exclusive modes $B\to (K^*,\rho)\ell^+\ell^-$. This relation, which is satisfied in the standard model, involves the coefficient entering in $b...
[ { "created": "Thu, 30 Oct 1997 23:41:34 GMT", "version": "v1" } ]
2009-10-30
[ [ "Burdman", "Gustavo", "" ] ]
We derive a condition the short distance coefficients governing $b\to (s,d)\ell^+\ell^-$ transitions must satisfy in order for the forward-backward asymmetry to vanish in the exclusive modes $B\to (K^*,\rho)\ell^+\ell^-$. This relation, which is satisfied in the standard model, involves the coefficient entering in $b\t...
hep-ph/9607317
null
Elena Accomando and Alessandro Ballestrero
WPHACT 1.0 - A program for $WW$, Higgs and 4 fermion physics at $e^+ e^-$ colliders
35 pages + 2 ps figures
Comput.Phys.Commun.99:270-296,1997
10.1016/S0010-4655(96)00124-5
Torino prep DFTT16/96
hep-ph
null
WPHACT (W W and Higgs Physics with PHACT) is a MC program and unweighted event generator which computes all Standard Model processes with four fermion in the final state at $e^+ e^-$ colliders. It is based on an helicity amplitude method which allows precise and fast evaluations of the matrix elements both for massle...
[ { "created": "Mon, 15 Jul 1996 16:15:33 GMT", "version": "v1" } ]
2011-01-27
[ [ "Accomando", "Elena", "" ], [ "Ballestrero", "Alessandro", "" ] ]
WPHACT (W W and Higgs Physics with PHACT) is a MC program and unweighted event generator which computes all Standard Model processes with four fermion in the final state at $e^+ e^-$ colliders. It is based on an helicity amplitude method which allows precise and fast evaluations of the matrix elements both for massless...
1010.0939
Daniel Feldman
Ning Chen, Daniel Feldman, Zuowei Liu, Pran Nath, and Gregory Peim
Higgsino dark matter model consistent with galactic cosmic ray data and possibility of discovery at LHC-7
6 pages, 1 figure, Physical Review D
Phys.Rev.D83:023506,2011
10.1103/PhysRevD.83.023506
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A solution to the PAMELA positron excess with Higgsino dark matter within extended supergravity grand unified (SUGRA) models is proposed. The models are compliant with the photon constraints recently set by Fermi-LAT and produce positron as well as antiproton fluxes consistent with the PAMELA experiment. The SUGRA mo...
[ { "created": "Tue, 5 Oct 2010 16:46:30 GMT", "version": "v1" }, { "created": "Thu, 6 Jan 2011 17:44:07 GMT", "version": "v2" } ]
2011-02-03
[ [ "Chen", "Ning", "" ], [ "Feldman", "Daniel", "" ], [ "Liu", "Zuowei", "" ], [ "Nath", "Pran", "" ], [ "Peim", "Gregory", "" ] ]
A solution to the PAMELA positron excess with Higgsino dark matter within extended supergravity grand unified (SUGRA) models is proposed. The models are compliant with the photon constraints recently set by Fermi-LAT and produce positron as well as antiproton fluxes consistent with the PAMELA experiment. The SUGRA mode...
hep-ph/0602003
Annarita Margiotta
Annarita Margiotta (Universita' di Bologna and INFN)
A parameterisation of single and multiple muons in the deep water or ice
3 pages, 2 figures, talk given at TAUP 2005, Zaragoza (Spain) (to appear in the proceedings of TAUP 2005)
J.Phys.Conf.Ser. 39 (2006) 435-437
10.1088/1742-6596/39/1/113
DFUB/05-11
hep-ph
null
A new parameterisation of atmospheric muons deep underwater (or ice) is presented. It takes into account the simultaneous arrival of muons in bundle giving the multiplicity of the events and the muon energy spectrum as a function of their lateral distribution in a shower.
[ { "created": "Wed, 1 Feb 2006 11:22:17 GMT", "version": "v1" } ]
2009-11-11
[ [ "Margiotta", "Annarita", "", "Universita' di Bologna and INFN" ] ]
A new parameterisation of atmospheric muons deep underwater (or ice) is presented. It takes into account the simultaneous arrival of muons in bundle giving the multiplicity of the events and the muon energy spectrum as a function of their lateral distribution in a shower.
1202.4953
Chung-I Tan
Richard C. Brower, Marko Djuri\'c, and Chung-I Tan
Diffractive Higgs Production by AdS Pomeron Fusion
53 pages, 8 figures
null
10.1007/JHEP09(2012)097
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The double diffractive Higgs production at central rapidity is formulated in terms of the fusion of two AdS gravitons/Pomerons first introduced by Brower, Polchinski, Strassler and Tan in elastic scattering. Here we propose a simple self-consistent holographic framework capable of providing phenomenologically compell...
[ { "created": "Wed, 22 Feb 2012 16:19:35 GMT", "version": "v1" } ]
2015-06-04
[ [ "Brower", "Richard C.", "" ], [ "Djurić", "Marko", "" ], [ "Tan", "Chung-I", "" ] ]
The double diffractive Higgs production at central rapidity is formulated in terms of the fusion of two AdS gravitons/Pomerons first introduced by Brower, Polchinski, Strassler and Tan in elastic scattering. Here we propose a simple self-consistent holographic framework capable of providing phenomenologically compellin...
hep-ph/9710450
Michael Kraemer
Frank E. Close (RAL)
Filtering glueball from $q\bar{q}$ production in proton proton or double tagged $e^+e^- \to e^+e^-R$ and implications for the spin structure of the Pomeron
LaTeX, 12 pages, 1 figure; uses epsfig. Abstract corrupted in original transmission. Slight stylistic changes
Phys.Lett.B419:387-392,1998
10.1016/S0370-2693(97)01448-2
RAL-TR-97-048
hep-ph
null
The production of $J^{PC} = 1^{++},0^{-+}$ and $2^{-+}$ mesons in double tagged $e^+e^- \to e^+e^-R$ is calculated and found to have the same polarisation and dynamical characteristics as observed in $pp \to ppR$. Implications for the spin structure of the Pomeron are considered. Production of $0^{++},2^{++}$ mesons ...
[ { "created": "Thu, 23 Oct 1997 15:54:05 GMT", "version": "v1" }, { "created": "Fri, 24 Oct 1997 09:34:44 GMT", "version": "v2" } ]
2008-11-26
[ [ "Close", "Frank E.", "", "RAL" ] ]
The production of $J^{PC} = 1^{++},0^{-+}$ and $2^{-+}$ mesons in double tagged $e^+e^- \to e^+e^-R$ is calculated and found to have the same polarisation and dynamical characteristics as observed in $pp \to ppR$. Implications for the spin structure of the Pomeron are considered. Production of $0^{++},2^{++}$ mesons in...
hep-ph/9612264
Katrin Heitmann
Juergen Baacke, Katrin Heitmann and Carsten Paetzold (Univ. of Dortmund)
Nonequilibrium dynamics: preheating in the SU(2) Higgs model
30 pages, 10 figures in enhanced postscript, 2 unreadable figures made accessible
Phys.Rev.D55:7815-7825,1997
10.1103/PhysRevD.55.7815
DO-TH-96/27
hep-ph
null
The term `preheating' has been introduced recently to denote the process in which energy is transferred from a classical inflaton field into fluctuating field (particle) degrees of freedom without generating yet a real thermal ensemble. The models considered up to now include, besides the inflaton field, scalar or fe...
[ { "created": "Thu, 5 Dec 1996 17:21:20 GMT", "version": "v1" }, { "created": "Fri, 6 Dec 1996 14:18:27 GMT", "version": "v2" } ]
2014-11-17
[ [ "Baacke", "Juergen", "", "Univ. of\n Dortmund" ], [ "Heitmann", "Katrin", "", "Univ. of\n Dortmund" ], [ "Paetzold", "Carsten", "", "Univ. of\n Dortmund" ] ]
The term `preheating' has been introduced recently to denote the process in which energy is transferred from a classical inflaton field into fluctuating field (particle) degrees of freedom without generating yet a real thermal ensemble. The models considered up to now include, besides the inflaton field, scalar or ferm...
hep-ph/0104172
Zurab Silagadze
G.A. Chelkov, M.I. Gostkin and Z.K. Silagadze
Radiative leptonic B decays in the instantaneous Bethe-Salpeter approach
10 pages, 2 figures, LaTeX
Phys.Rev. D64 (2001) 097503
10.1103/PhysRevD.64.097503
null
hep-ph
null
Rare radiative leptonic decay $B\to l\bar \nu_l \gamma$ is studied in the instantaneous Bethe-Salpeter approach. The results are compared to other relativistic quark model predictions.
[ { "created": "Wed, 18 Apr 2001 04:42:04 GMT", "version": "v1" } ]
2009-11-07
[ [ "Chelkov", "G. A.", "" ], [ "Gostkin", "M. I.", "" ], [ "Silagadze", "Z. K.", "" ] ]
Rare radiative leptonic decay $B\to l\bar \nu_l \gamma$ is studied in the instantaneous Bethe-Salpeter approach. The results are compared to other relativistic quark model predictions.
0708.3371
Ernest Ma
Ernest Ma (UC Riverside)
Z_3 Dark Matter and Two-Loop Neutrino Mass
expanded (9 pages, 2 figures), 2 references added
Phys.Lett.B662:49-52,2008
10.1016/j.physletb.2008.02.053
UCRHEP-T436 (August 2007)
hep-ph
null
Dark matter is usually distinguished from ordinary matter by an odd-even parity, i.e. the discrete symmetry Z_2. The new idea of Z_3 dark matter is proposed with a special application to generating radiative Majorana neutrino masses in two-loop order.
[ { "created": "Fri, 24 Aug 2007 16:48:31 GMT", "version": "v1" }, { "created": "Wed, 5 Sep 2007 15:57:12 GMT", "version": "v2" } ]
2008-11-26
[ [ "Ma", "Ernest", "", "UC Riverside" ] ]
Dark matter is usually distinguished from ordinary matter by an odd-even parity, i.e. the discrete symmetry Z_2. The new idea of Z_3 dark matter is proposed with a special application to generating radiative Majorana neutrino masses in two-loop order.
1812.11803
Bharti Kindra
Diganta Das, Bharti Kindra, Girish Kumar, and Namit Mahajan
$B\to K^\ast_2(1430)\ell^+\ell^-$ distributions in Standard Model at large recoil
null
Phys. Rev. D 99, 093012 (2019)
10.1103/PhysRevD.99.093012
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the rare decay $B\to K_2^\ast(1430)(\to K\pi)\ell^+\ell^-$ in the Standard Model and beyond. Working in the transversity basis, we exploit the relations between the heavy-to-light form factors in the limit of heavy quark ($m_b\to \infty$) and large energy ($E_{K_2^\ast}\to \infty$) of the $K^\ast_2$ meson. T...
[ { "created": "Mon, 31 Dec 2018 14:17:29 GMT", "version": "v1" } ]
2019-06-05
[ [ "Das", "Diganta", "" ], [ "Kindra", "Bharti", "" ], [ "Kumar", "Girish", "" ], [ "Mahajan", "Namit", "" ] ]
We study the rare decay $B\to K_2^\ast(1430)(\to K\pi)\ell^+\ell^-$ in the Standard Model and beyond. Working in the transversity basis, we exploit the relations between the heavy-to-light form factors in the limit of heavy quark ($m_b\to \infty$) and large energy ($E_{K_2^\ast}\to \infty$) of the $K^\ast_2$ meson. Thi...
hep-ph/0609144
Christopher Savage
Christopher Savage, Katherine Freese, William H. Kinney
Natural Inflation: status after WMAP 3-year data
9 pages, 8 figures. v2: Added references and minor revisions. Submitted to PRD
Phys.Rev.D74:123511,2006
10.1103/PhysRevD.74.123511
MCTP-06-23, FTPI-MINN-06/32
hep-ph astro-ph
null
The model of Natural Inflation is examined in light of recent 3-year data from the Wilkinson Microwave Anisotropy Probe and shown to provide a good fit. The inflaton potential is naturally flat due to shift symmetries, and in the simplest version takes the form $V(\phi) = \Lambda^4 [1 \pm \cos(N\phi/f)]$. The model a...
[ { "created": "Fri, 15 Sep 2006 18:12:33 GMT", "version": "v1" }, { "created": "Thu, 16 Nov 2006 20:52:39 GMT", "version": "v2" } ]
2008-11-26
[ [ "Savage", "Christopher", "" ], [ "Freese", "Katherine", "" ], [ "Kinney", "William H.", "" ] ]
The model of Natural Inflation is examined in light of recent 3-year data from the Wilkinson Microwave Anisotropy Probe and shown to provide a good fit. The inflaton potential is naturally flat due to shift symmetries, and in the simplest version takes the form $V(\phi) = \Lambda^4 [1 \pm \cos(N\phi/f)]$. The model agr...
0903.5285
Eliecer Hernandez-Gajate
E. Hern\'andez, J. Nieves, M.J. Vicente-Vacas
Neutrino Induced Coherent Pion Production off Nuclei and PCAC
19 latex pages, 7 figures, 1 table. Version accepted for publication in Physical Review D
Phys.Rev.D80:013003,2009
10.1103/PhysRevD.80.013003
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review the Rein--Sehgal model and criticize its use for low energy neutrino induced coherent pion production. We have studied the validity of the main approximations implicit in that model, trying to compare with physical observables when that is possible and with microscopical calculations. Next, we have tried to...
[ { "created": "Mon, 30 Mar 2009 18:30:46 GMT", "version": "v1" }, { "created": "Tue, 16 Jun 2009 08:05:21 GMT", "version": "v2" } ]
2009-09-02
[ [ "Hernández", "E.", "" ], [ "Nieves", "J.", "" ], [ "Vicente-Vacas", "M. J.", "" ] ]
We review the Rein--Sehgal model and criticize its use for low energy neutrino induced coherent pion production. We have studied the validity of the main approximations implicit in that model, trying to compare with physical observables when that is possible and with microscopical calculations. Next, we have tried to e...
hep-ph/0610317
Marco Radici
Andrea Bianconi and Marco Radici
Effective role of unpolarized nonvalence partons in Drell-Yan single spin asymmetries
13 pages, 9 figures in eps format
J.Phys.G34:1595-1610,2007
10.1088/0954-3899/34/7/002
null
hep-ph
null
We perform numerical simulations of the Sivers effect from single spin asymmetries in Drell-Yan processes on transversely polarized protons. We consider colliding antiprotons and pions at different kinematic conditions of interest for the future planned experiments. We conventionally name "framework I" the results ob...
[ { "created": "Tue, 24 Oct 2006 16:21:27 GMT", "version": "v1" } ]
2008-11-26
[ [ "Bianconi", "Andrea", "" ], [ "Radici", "Marco", "" ] ]
We perform numerical simulations of the Sivers effect from single spin asymmetries in Drell-Yan processes on transversely polarized protons. We consider colliding antiprotons and pions at different kinematic conditions of interest for the future planned experiments. We conventionally name "framework I" the results obta...
2108.10736
Yuichi Uesaka
Takeshi Fukuyama, Yukihiro Mimura, Yuichi Uesaka
Models of the Muonium to Antimuonium Transition
69 pages, 18 figures
null
10.1103/PhysRevD.105.015026
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Muonium is a bound state composed of an antimuon and an electron, and it constitutes a hydrogen-like atom. Because of the absence of the hadronic matter in the bound state, the muonium is a useful probe to explore new physics being free from the hadronic uncertainties. The process of the muonium-to-antimuonium transi...
[ { "created": "Tue, 24 Aug 2021 13:48:04 GMT", "version": "v1" }, { "created": "Fri, 3 Dec 2021 15:21:29 GMT", "version": "v2" } ]
2022-02-02
[ [ "Fukuyama", "Takeshi", "" ], [ "Mimura", "Yukihiro", "" ], [ "Uesaka", "Yuichi", "" ] ]
Muonium is a bound state composed of an antimuon and an electron, and it constitutes a hydrogen-like atom. Because of the absence of the hadronic matter in the bound state, the muonium is a useful probe to explore new physics being free from the hadronic uncertainties. The process of the muonium-to-antimuonium transiti...
2204.13733
Antonio Ortiz
Antonio Ortiz and Guy Paic
A look into the "hedgehog" events in pp collisions using a new event shape -- flatenicity
7 pages, 6 figures, Proceedings of the 37th edition of the Winter Workshop on Nuclear Dynamics, March 2022
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by-nc-nd/4.0/
The UA1 and CDF collaborations have reported the presence of events with a very extended structure of low momentum tracks filling in a uniform way the $\eta-\varphi$ phase space. However, these events have not caused interest with respect to the details of the interaction that originate them. We have undertaken to st...
[ { "created": "Thu, 28 Apr 2022 18:29:40 GMT", "version": "v1" } ]
2022-05-02
[ [ "Ortiz", "Antonio", "" ], [ "Paic", "Guy", "" ] ]
The UA1 and CDF collaborations have reported the presence of events with a very extended structure of low momentum tracks filling in a uniform way the $\eta-\varphi$ phase space. However, these events have not caused interest with respect to the details of the interaction that originate them. We have undertaken to stud...
hep-ph/9310372
Judy Mack
Ashok Das
On the Higher Order Corrections to Heavy Quark Effective Theory
17 pages, UR-1325, ER-40685-775
Mod.Phys.Lett. A9 (1994) 341-354
10.1142/S0217732394000368
null
hep-ph
null
We show that the different ways of deriving the Heavy Quark Effective Theory (HQET) lead to equivalent theories. The equivalence can be established through a careful redefinition of the field variables. We demonstrate the equivalence to order ${1 \over m^5}$ in the presence of a constant electric field.
[ { "created": "Fri, 29 Oct 1993 14:46:00 GMT", "version": "v1" } ]
2015-06-25
[ [ "Das", "Ashok", "" ] ]
We show that the different ways of deriving the Heavy Quark Effective Theory (HQET) lead to equivalent theories. The equivalence can be established through a careful redefinition of the field variables. We demonstrate the equivalence to order ${1 \over m^5}$ in the presence of a constant electric field.
1411.7774
Mariusz Sadzikowski
Leszek Motyka and Mariusz Sadzikowski
Twist decomposition of proton structure from BFKL and BK amplitudes
10 pages, 5 figures
null
10.5506/APhysPolB.45.2079
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An analysis of twist composition of Balitsky-Kovchegov (BK) amplitude is performed in the double logarithmic limit. In this limit the BK evolution of color dipole -- proton scattering is equivalent to BFKL evolution which follows from vanishing of the Bartels vertex in the collinear limit. We perform twist decomposit...
[ { "created": "Fri, 28 Nov 2014 08:06:49 GMT", "version": "v1" } ]
2015-06-23
[ [ "Motyka", "Leszek", "" ], [ "Sadzikowski", "Mariusz", "" ] ]
An analysis of twist composition of Balitsky-Kovchegov (BK) amplitude is performed in the double logarithmic limit. In this limit the BK evolution of color dipole -- proton scattering is equivalent to BFKL evolution which follows from vanishing of the Bartels vertex in the collinear limit. We perform twist decompositio...
hep-ph/9605304
Gian Paolo Vacca
Mikhail Braun, Gian Paolo Vacca, Giovanni Venturi
Properties of the hard pomeron with a running coupling constant and the high-energy scattering
13 pages (LATEX), 7 figures
Phys.Lett. B388 (1996) 823-831
10.1016/S0370-2693(96)01214-2
US-FT/23-96
hep-ph
null
The equation for the hard pomeron with a running coupling introduced on the basis of the bootstrap requirement is solved numerically. Two supercritical pomerons are found with the intercept minus 1 of the leading one of the order 0.35-0.5 and that of the subleading one half as large. The contribution of multipomeron ...
[ { "created": "Tue, 14 May 1996 14:02:48 GMT", "version": "v1" } ]
2009-10-28
[ [ "Braun", "Mikhail", "" ], [ "Vacca", "Gian Paolo", "" ], [ "Venturi", "Giovanni", "" ] ]
The equation for the hard pomeron with a running coupling introduced on the basis of the bootstrap requirement is solved numerically. Two supercritical pomerons are found with the intercept minus 1 of the leading one of the order 0.35-0.5 and that of the subleading one half as large. The contribution of multipomeron ex...
hep-ph/9911534
Tri Nang Pham
Claudia Isola and T. N. Pham
Test of factorisation in $B \to K\pi$ decays
LaTeX, with ReVTeX, 16 pages, 5 figures, version to appear in Physical Review D
Phys.Rev. D62 (2000) 094002
10.1103/PhysRevD.62.094002
CPHT/S708.1199
hep-ph
null
We analyse the $B \to K\pi$ decays using the factorisation model with final state interaction phase shift included. We find that factorisation seems to describe qualitatively the latest CLEO data. For a test of the factorisation model, we derive a relation for the branching ratios independent of the strength of the s...
[ { "created": "Tue, 30 Nov 1999 13:38:38 GMT", "version": "v1" }, { "created": "Mon, 6 Dec 1999 16:49:05 GMT", "version": "v2" }, { "created": "Wed, 14 Jun 2000 10:20:56 GMT", "version": "v3" } ]
2009-10-31
[ [ "Isola", "Claudia", "" ], [ "Pham", "T. N.", "" ] ]
We analyse the $B \to K\pi$ decays using the factorisation model with final state interaction phase shift included. We find that factorisation seems to describe qualitatively the latest CLEO data. For a test of the factorisation model, we derive a relation for the branching ratios independent of the strength of the str...
0902.0510
David Eriksson
David Eriksson
PYBBWH: A program for associated charged Higgs and W boson production
5 pages, 1 figure; the code may be obtained from http://www.isv.uu.se/thep/MC/pybbwh/
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Monte Carlo program, PYBBWH, is an implementation of the associated production of a charged Higgs and a W boson from bb fusion in a general Two-Higgs-Doublet model for both CP-conserving and CP-violating couplings. It is implemented as a external process to Pythia 6. The code can be downloaded from http://www.isv...
[ { "created": "Tue, 3 Feb 2009 14:33:37 GMT", "version": "v1" } ]
2009-02-04
[ [ "Eriksson", "David", "" ] ]
The Monte Carlo program, PYBBWH, is an implementation of the associated production of a charged Higgs and a W boson from bb fusion in a general Two-Higgs-Doublet model for both CP-conserving and CP-violating couplings. It is implemented as a external process to Pythia 6. The code can be downloaded from http://www.isv.u...
1205.1250
D. Delepine
Juan Barranco, Roberto Cota, David Delepine and Shaaban Khalil
Neutrino Spin Flavor Precession and Leptogenesis
5 pages, one figure. References added
null
10.1103/PhysRevD.86.113009
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We argue that \Delta L=2 neutrino spin flavor precession, induced by the primordial magnetic fields, could have a significant impact on the leptogenesis process that accounts for the baryon asymmetry of the universe. Although the extra galactic magnetic fields is extremely weak at present time (about 10^{-9} Gauss), ...
[ { "created": "Sun, 6 May 2012 21:58:54 GMT", "version": "v1" }, { "created": "Wed, 9 May 2012 03:03:23 GMT", "version": "v2" } ]
2015-06-05
[ [ "Barranco", "Juan", "" ], [ "Cota", "Roberto", "" ], [ "Delepine", "David", "" ], [ "Khalil", "Shaaban", "" ] ]
We argue that \Delta L=2 neutrino spin flavor precession, induced by the primordial magnetic fields, could have a significant impact on the leptogenesis process that accounts for the baryon asymmetry of the universe. Although the extra galactic magnetic fields is extremely weak at present time (about 10^{-9} Gauss), th...
1205.5173
Yoshitaro Takaesu
Kaoru Hagiwara, Junichi Kanzaki, Yoshitaro Takaesu
On the W+4 jets background to the top quark asymmetry at the Tevatron
5 pages, 5 figures
null
null
KEKTH-1546
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the possibility that the W+4 jets background is a source of the anomalously large top-antitop (t\={t}) charge asymmetry observed at the Tevatron. We simulate the t\={t} reconstruction of the signal and background events at the matrix-element level and find that the reconstructed t\={t} candidates from ...
[ { "created": "Wed, 23 May 2012 13:59:12 GMT", "version": "v1" } ]
2012-05-24
[ [ "Hagiwara", "Kaoru", "" ], [ "Kanzaki", "Junichi", "" ], [ "Takaesu", "Yoshitaro", "" ] ]
We investigate the possibility that the W+4 jets background is a source of the anomalously large top-antitop (t\={t}) charge asymmetry observed at the Tevatron. We simulate the t\={t} reconstruction of the signal and background events at the matrix-element level and find that the reconstructed t\={t} candidates from th...
1912.03300
Felix Riehn
Felix Riehn, Ralph Engel, Anatoli Fedynitch, Thomas K. Gaisser, and Todor Stanev
Hadronic interaction model Sibyll 2.3d and extensive air showers
null
Phys. Rev. D 102, 063002 (2020)
10.1103/PhysRevD.102.063002
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a new version of the hadron interaction event generator Sibyll. While the core ideas of the model have been preserved, the new version handles the production of baryon pairs and leading particles in a new way. In addition, production of charmed hadrons is included. Updates to the model are informed by high...
[ { "created": "Fri, 6 Dec 2019 18:59:56 GMT", "version": "v1" }, { "created": "Mon, 9 Dec 2019 10:03:27 GMT", "version": "v2" }, { "created": "Fri, 4 Sep 2020 18:00:17 GMT", "version": "v3" } ]
2020-09-09
[ [ "Riehn", "Felix", "" ], [ "Engel", "Ralph", "" ], [ "Fedynitch", "Anatoli", "" ], [ "Gaisser", "Thomas K.", "" ], [ "Stanev", "Todor", "" ] ]
We present a new version of the hadron interaction event generator Sibyll. While the core ideas of the model have been preserved, the new version handles the production of baryon pairs and leading particles in a new way. In addition, production of charmed hadrons is included. Updates to the model are informed by high-p...
2303.09022
Ricardo D'Elia Matheus
Carlos Bautista, Leonardo de Lima, Ricardo D. Matheus, Aurore Savoy-Navarro
On the Importance of Three-Body Decays of Vector-Like Quarks
18 pages, 12 figures
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
It is a common feature of vector-like extensions of the electroweak sector to have near degenerate states, such as electroweak doublets. In simplified models, it is usually assumed that these have decay widths saturated by two-body channels. As a consequence, experimental searches can be done focusing on only one of ...
[ { "created": "Thu, 16 Mar 2023 01:27:15 GMT", "version": "v1" } ]
2023-03-17
[ [ "Bautista", "Carlos", "" ], [ "de Lima", "Leonardo", "" ], [ "Matheus", "Ricardo D.", "" ], [ "Savoy-Navarro", "Aurore", "" ] ]
It is a common feature of vector-like extensions of the electroweak sector to have near degenerate states, such as electroweak doublets. In simplified models, it is usually assumed that these have decay widths saturated by two-body channels. As a consequence, experimental searches can be done focusing on only one of th...
1503.07285
Yutaka Tobita
Kenzo Ishikawa and Yutaka Tobita
Electroweak Hall Effect of Neutrino and Coronal Heating
10 pages, 2 figures
null
null
EPHOU-15-007
hep-ph astro-ph.SR hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The inversion of temperature at the solar corona is hard to understand from classical physics, and the coronal heating mechanism remains unclear. The heating in the quiet region seems contradicting with the thermodynamics and is a keen problem for physicists. A new mechanism for the coronal heating based on the neutr...
[ { "created": "Wed, 25 Mar 2015 05:37:25 GMT", "version": "v1" } ]
2015-03-26
[ [ "Ishikawa", "Kenzo", "" ], [ "Tobita", "Yutaka", "" ] ]
The inversion of temperature at the solar corona is hard to understand from classical physics, and the coronal heating mechanism remains unclear. The heating in the quiet region seems contradicting with the thermodynamics and is a keen problem for physicists. A new mechanism for the coronal heating based on the neutrin...
hep-ph/9407252
Ian Kogan
R. D. Amado and Ian I. Kogan
Quantum Phenomenology for the Disoriented Chiral Condensate
24 pages, PUPT-1483
Phys.Rev. D51 (1995) 190-200
10.1103/PhysRevD.51.190
null
hep-ph
null
We consider the quantum state describing theDisoriented Chiral Condensate (DCC), which may be produced in high energy collisions. We show how a mean field treatment of the quantum equations corresponding to the classical linear sigma model leads to a squeezed state description of the pions emerging from the DCC. We e...
[ { "created": "Thu, 7 Jul 1994 20:30:22 GMT", "version": "v1" } ]
2009-10-28
[ [ "Amado", "R. D.", "" ], [ "Kogan", "Ian I.", "" ] ]
We consider the quantum state describing theDisoriented Chiral Condensate (DCC), which may be produced in high energy collisions. We show how a mean field treatment of the quantum equations corresponding to the classical linear sigma model leads to a squeezed state description of the pions emerging from the DCC. We exa...
2405.05977
C\'ecile Caillol
Cecile Caillol (on behalf of the ATLAS and CMS Collaborations)
Electroweak results in two-photon collisions at the LHC
contribution to the 2024 Electroweak session of the 58th Rencontres de Moriond
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The LHC is also a high-energy photon collider. The ATLAS and CMS experiments are exploring a wide diphoton energy range with various approaches in heavy-ion and proton collisions to precisely measure quantum electrodynamics processes and constrain the existence of physics beyond the standard model.
[ { "created": "Mon, 6 May 2024 10:40:53 GMT", "version": "v1" } ]
2024-05-13
[ [ "Caillol", "Cecile", "", "on behalf of the ATLAS and CMS Collaborations" ] ]
The LHC is also a high-energy photon collider. The ATLAS and CMS experiments are exploring a wide diphoton energy range with various approaches in heavy-ion and proton collisions to precisely measure quantum electrodynamics processes and constrain the existence of physics beyond the standard model.
hep-ph/0304030
Manuel Drees
Manuel Drees (TU Munich)
Particle Physics Explanations for Ultra High Energy Cosmic Ray Events
Invited plenary talk at PASCOS03, Mumbai, India, January 2003; 13 pages, 1 figure
Pramana62:207-218,2004
10.1007/BF02705083
TUM-HEP-505/03
hep-ph
null
The origin of cosmic ray events with $E \gsim 10^{11}$ GeV remains mysterious. In this talk I briefly summarize several proposed particle physics explanations: a breakdown of Lorentz invariance, the ``$Z-$burst'' scenario, new hadrons with masses of several GeV as primaries, and magnetic monopoles with mass below $10...
[ { "created": "Thu, 3 Apr 2003 12:48:36 GMT", "version": "v1" } ]
2008-11-26
[ [ "Drees", "Manuel", "", "TU Munich" ] ]
The origin of cosmic ray events with $E \gsim 10^{11}$ GeV remains mysterious. In this talk I briefly summarize several proposed particle physics explanations: a breakdown of Lorentz invariance, the ``$Z-$burst'' scenario, new hadrons with masses of several GeV as primaries, and magnetic monopoles with mass below $10^{...
1201.2782
Gudrun Heinrich
G. Cullen, N. Greiner, G. Heinrich, G. Luisoni, P. Mastrolia, G. Ossola, T. Reiter, F. Tramontano
Automated one-loop calculations with GoSam
Reference added in version 2. Talk given at the 10th International Symposium on Radiative Corrections - RADCOR 2011; Mamallapuram, India, September 2011
null
null
DESY 12-002
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this talk, the program package GOSAM is presented, which can be used for the automated calculation of one-loop amplitudes for multi-particle processes. The integrands are generated in terms of Feynman diagrams and can be reduced by d-dimensional integrand-level decomposition, or tensor reduction, or a combination ...
[ { "created": "Fri, 13 Jan 2012 09:54:35 GMT", "version": "v1" }, { "created": "Wed, 18 Jan 2012 17:43:53 GMT", "version": "v2" } ]
2012-01-19
[ [ "Cullen", "G.", "" ], [ "Greiner", "N.", "" ], [ "Heinrich", "G.", "" ], [ "Luisoni", "G.", "" ], [ "Mastrolia", "P.", "" ], [ "Ossola", "G.", "" ], [ "Reiter", "T.", "" ], [ "Tramontano", "F.",...
In this talk, the program package GOSAM is presented, which can be used for the automated calculation of one-loop amplitudes for multi-particle processes. The integrands are generated in terms of Feynman diagrams and can be reduced by d-dimensional integrand-level decomposition, or tensor reduction, or a combination of...
hep-ph/9608314
Rahul Sinha
Rahul Sinha (Institute of Mathematical Sciences, Taramani, Madras India)
CP violation in B mesons using Dalitz plot asymmetries
12 pages, Revtex, no figures
null
null
IMSc-96/07/22
hep-ph
null
We study CP violation in $B\to K^* \ell^+\ell^-$ using generalized Dalitz plot asymmetries in the angular distribution. These new kind of asymmetries are constructed by adding B and ${\bar B}$ events, and do not require flavor or time tagging, nor is the presence of strong phases needed. Using this method one require...
[ { "created": "Wed, 14 Aug 1996 05:29:35 GMT", "version": "v1" } ]
2016-09-06
[ [ "Sinha", "Rahul", "", "Institute of Mathematical Sciences, Taramani, Madras\n India" ] ]
We study CP violation in $B\to K^* \ell^+\ell^-$ using generalized Dalitz plot asymmetries in the angular distribution. These new kind of asymmetries are constructed by adding B and ${\bar B}$ events, and do not require flavor or time tagging, nor is the presence of strong phases needed. Using this method one requires ...
1907.11092
Yuming Wang
Jing Gao, Cai-Dian L\"u, Yue-Long Shen, Yu-Ming Wang, Yan-Bing Wei
Precision calculations of $B \to V$ form factors in QCD
76 pages, 15 figures
Phys. Rev. D 101, 074035 (2020)
10.1103/PhysRevD.101.074035
null
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Applying the vacuum-to-$B$-meson correlation functions with an interpolating current for the light vector meson we construct the light-cone sum rules (LCSR) for the "effective" form factors $\xi_{\parallel}(n \cdot p)$, $\xi_{\perp}(n \cdot p)$, $\Xi_{\parallel}(\tau, n \cdot p)$ and $\Xi_{\perp}(\tau, n \cdot p)$, d...
[ { "created": "Thu, 25 Jul 2019 14:22:27 GMT", "version": "v1" } ]
2020-05-06
[ [ "Gao", "Jing", "" ], [ "Lü", "Cai-Dian", "" ], [ "Shen", "Yue-Long", "" ], [ "Wang", "Yu-Ming", "" ], [ "Wei", "Yan-Bing", "" ] ]
Applying the vacuum-to-$B$-meson correlation functions with an interpolating current for the light vector meson we construct the light-cone sum rules (LCSR) for the "effective" form factors $\xi_{\parallel}(n \cdot p)$, $\xi_{\perp}(n \cdot p)$, $\Xi_{\parallel}(\tau, n \cdot p)$ and $\Xi_{\perp}(\tau, n \cdot p)$, def...
2108.01752
Cheng Tao Yang
Cheng Tao Yang and Johann Rafelski
Cosmological Strangeness Abundance
7 pages, 6 figures
null
10.1016/j.physletb.2022.136944
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We investigate the strange particle composition of the early Universe in the hadron epoch $T_h\approx 150\ge T\ge 10$\,MeV. We study strangeness yield in thermal and chemical equilibrium constrained by prescribed entropy per baryon in a charge neutral and strangeness neutral $\langle s-\bar s\rangle$ Universe. Turnin...
[ { "created": "Tue, 3 Aug 2021 21:11:37 GMT", "version": "v1" }, { "created": "Fri, 20 Aug 2021 22:11:07 GMT", "version": "v2" }, { "created": "Sat, 30 Oct 2021 15:15:40 GMT", "version": "v3" } ]
2022-02-09
[ [ "Yang", "Cheng Tao", "" ], [ "Rafelski", "Johann", "" ] ]
We investigate the strange particle composition of the early Universe in the hadron epoch $T_h\approx 150\ge T\ge 10$\,MeV. We study strangeness yield in thermal and chemical equilibrium constrained by prescribed entropy per baryon in a charge neutral and strangeness neutral $\langle s-\bar s\rangle$ Universe. Turning ...
1311.1418
Sebastian Wild
Alejandro Ibarra, Maximilian Totzauer and Sebastian Wild
High-energy neutrino signals from the Sun in dark matter scenarios with internal bremsstrahlung
25 pages, 8 figures. Matches published version
null
10.1088/1475-7516/2013/12/043
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the prospects to observe a high energy neutrino signal from dark matter annihilations in the Sun in scenarios where the dark matter is a Majorana fermion that couples to a quark and a colored scalar via a Yukawa coupling. In this minimal scenario, the dark matter capture and annihilation in the Sun can...
[ { "created": "Wed, 6 Nov 2013 15:18:32 GMT", "version": "v1" }, { "created": "Wed, 18 Dec 2013 12:22:47 GMT", "version": "v2" } ]
2015-06-17
[ [ "Ibarra", "Alejandro", "" ], [ "Totzauer", "Maximilian", "" ], [ "Wild", "Sebastian", "" ] ]
We investigate the prospects to observe a high energy neutrino signal from dark matter annihilations in the Sun in scenarios where the dark matter is a Majorana fermion that couples to a quark and a colored scalar via a Yukawa coupling. In this minimal scenario, the dark matter capture and annihilation in the Sun can b...
0708.0633
Alexander Lenz
Alexander Lenz
Form factors of baryons within the framework of light-cone sum rules
Talk presented at QCD@work 2007 in Martina Franca, Italy; 7 pages, 10 figures
AIPConf.Proc.964:77-83,2007
10.1063/1.2823884
null
hep-ph
null
We present the application of the method of light-cone sum rules to the determination of baryonic form factors at intermediate momentum transfer. After reviewing the current status of this field we give some outlook on possible future projects.
[ { "created": "Sat, 4 Aug 2007 15:22:59 GMT", "version": "v1" } ]
2008-11-26
[ [ "Lenz", "Alexander", "" ] ]
We present the application of the method of light-cone sum rules to the determination of baryonic form factors at intermediate momentum transfer. After reviewing the current status of this field we give some outlook on possible future projects.
hep-ph/9212216
null
Patrick Huet
Aspects of the Electroweak Phase Transition
5 pages
null
null
null
hep-ph
null
Presented at the 1992 Meeting of the DPF, Fermilab. The electroweak phase transition is reviewed in light of some recent developments. Emphasis is on the issue whether the transition is first or second order and its possible role in the generation of the baryon asymmetry of the universe.
[ { "created": "Thu, 3 Dec 1992 20:22:00 GMT", "version": "v1" }, { "created": "Tue, 8 Dec 1992 01:25:00 GMT", "version": "v2" } ]
2008-02-03
[ [ "Huet", "Patrick", "" ] ]
Presented at the 1992 Meeting of the DPF, Fermilab. The electroweak phase transition is reviewed in light of some recent developments. Emphasis is on the issue whether the transition is first or second order and its possible role in the generation of the baryon asymmetry of the universe.
2110.09141
Jenni Kotila
Jenni Kotila, Jacopo Ferretti and Francesco Iachello
Long-range neutrinoless double beta decay mechanisms
60 pages, 8 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Understanding the origin of lepton number violation is one of the fundamental questions in particle physics today. Neutrinoless double beta decay provides a way in which this violation can be tested. In this article, we derive the form of hadronic and leptonic matrix elements for all possible long-range mechanisms of...
[ { "created": "Mon, 18 Oct 2021 09:49:40 GMT", "version": "v1" } ]
2021-10-19
[ [ "Kotila", "Jenni", "" ], [ "Ferretti", "Jacopo", "" ], [ "Iachello", "Francesco", "" ] ]
Understanding the origin of lepton number violation is one of the fundamental questions in particle physics today. Neutrinoless double beta decay provides a way in which this violation can be tested. In this article, we derive the form of hadronic and leptonic matrix elements for all possible long-range mechanisms of n...
hep-ph/0502143
Seung-Il Nam
Seung-Il Nam (RCNP, Osaka Univ., Japan & NuRI, Pusan Univ., Korea), Atsushi Hosaka (RCNP, Osaka Univ., Japan) and Hyun-Chul Kim (NuRI, Pusan Univ., Korea)
Photoproduction of Lambda(1520,3/2^-)
Talk given at the Few-body physics workshop, RCNP, Osaka, Japan, 23-25 December 2004 and printed in a speciall issue of Genshikaku-kenkyu in Japan
Genshikaku Kenkyu 49 (2005) 53
null
PNU-NTG-3/2005
hep-ph
null
We investigate the photoproduction of Lambda(1520,3/2^-) via the gamma N -> K Lambda^* reaction using the Born approximation and the Rariata-Schwinger vector-spinor field for the spin 3/2 particle. We reproduce the experimental data of the total cross section and the angular dependence for the proton target qualitati...
[ { "created": "Wed, 16 Feb 2005 09:00:13 GMT", "version": "v1" }, { "created": "Sat, 19 Feb 2005 05:48:17 GMT", "version": "v2" } ]
2007-05-23
[ [ "Nam", "Seung-Il", "", "RCNP, Osaka Univ., Japan & NuRI, Pusan Univ., Korea" ], [ "Hosaka", "Atsushi", "", "RCNP, Osaka Univ., Japan" ], [ "Kim", "Hyun-Chul", "", "NuRI, Pusan\n Univ., Korea" ] ]
We investigate the photoproduction of Lambda(1520,3/2^-) via the gamma N -> K Lambda^* reaction using the Born approximation and the Rariata-Schwinger vector-spinor field for the spin 3/2 particle. We reproduce the experimental data of the total cross section and the angular dependence for the proton target qualitative...
hep-ph/0008262
Czyz Henryk
H. Czyz, J.H. Kuehn
Four Pion Final States with Tagged Photons at Electron Positron Colliders
LATEX, 27 pages, 9 figures, discussion of the kinematic breaking of isospin relations extended, typos corrected, some formulations changed
Eur.Phys.J.C18:497-509,2001
10.1007/s100520000553
TTP00-16
hep-ph hep-ex
null
A Monte Carlo generator has been constructed to simulate the reaction e^+e^- \to \gamma + 4 \pi, where the photon is assumed to be observed in the detector. Only initial state radiation is considered. Additional collinear photon radiation has been incorporated with the technique of structure functions. Predictions ar...
[ { "created": "Thu, 24 Aug 2000 13:58:11 GMT", "version": "v1" }, { "created": "Wed, 11 Oct 2000 17:36:17 GMT", "version": "v2" } ]
2009-01-07
[ [ "Czyz", "H.", "" ], [ "Kuehn", "J. H.", "" ] ]
A Monte Carlo generator has been constructed to simulate the reaction e^+e^- \to \gamma + 4 \pi, where the photon is assumed to be observed in the detector. Only initial state radiation is considered. Additional collinear photon radiation has been incorporated with the technique of structure functions. Predictions are ...
hep-ph/9310327
Frank Cuypers
Frank Cuypers
Light Gluinos at LEP
11 pages, LaTeX, postscript file with figures available via anonymous ftp from 129.187.198.1 in /preprints/mpi9369.ps , MPI-Ph/93-69
Phys.Rev.D49:3075-3078,1994
10.1103/PhysRevD.49.R3075
null
hep-ph
null
We study the production and decay of \lgl s in \ep\ collisions. We suggest a signature which suffers little from backgrounds and argue that the \lgl\ window can already be closed with the existing LEP data, provided the gluino lifetime is such that it decays within the detectors.
[ { "created": "Thu, 21 Oct 1993 09:08:47 GMT", "version": "v1" } ]
2010-01-06
[ [ "Cuypers", "Frank", "" ] ]
We study the production and decay of \lgl s in \ep\ collisions. We suggest a signature which suffers little from backgrounds and argue that the \lgl\ window can already be closed with the existing LEP data, provided the gluino lifetime is such that it decays within the detectors.
hep-ph/9401307
null
C.E. Carlson and K.E. Lassila
Quark cluster signatures in deuteron electromagnetic interactions
18 pages (3 figures available as hard copy), WM-94-101
Phys.Rev.C51:364-370,1995
10.1103/PhysRevC.51.364
null
hep-ph nucl-th
null
A suggestion is made for distinguishing 2N and 6q short range correlations within the deuteron. The suggestion depends upon observing high momentum backward nucleons emerging from inelastic electromagnetic scattering from a deuteron target. A simple model is worked out to see the size of effects that may be expected....
[ { "created": "Fri, 21 Jan 1994 22:21:00 GMT", "version": "v1" } ]
2009-09-25
[ [ "Carlson", "C. E.", "" ], [ "Lassila", "K. E.", "" ] ]
A suggestion is made for distinguishing 2N and 6q short range correlations within the deuteron. The suggestion depends upon observing high momentum backward nucleons emerging from inelastic electromagnetic scattering from a deuteron target. A simple model is worked out to see the size of effects that may be expected.
0806.4305
Gerhard Baur
G. Baur
Exchange of high and low energy photons in ultraperipheral relativistic heavy-ion collisions
5 pages, 2 figures. Talk given at the Workshop on 'High-energy photon collisions at the LHC', April 22-25,2008, CERN, Switzerland. To be published in Nucl. Phys. B (Proceedings Supplements)
Nucl.Phys.Proc.Suppl.179-180:129-133,2008
10.1016/j.nuclphysbps.2008.07.017
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Ultraperipheral collisions at collider energies are a useful tool to study photon-hadron (proton/nucleus) and photon-photon interactions in a hitherto unexplored energy regime. Theoretical tools to study these processes are briefly described. Some current results and problems are discussed
[ { "created": "Thu, 26 Jun 2008 12:07:51 GMT", "version": "v1" } ]
2008-12-18
[ [ "Baur", "G.", "" ] ]
Ultraperipheral collisions at collider energies are a useful tool to study photon-hadron (proton/nucleus) and photon-photon interactions in a hitherto unexplored energy regime. Theoretical tools to study these processes are briefly described. Some current results and problems are discussed
hep-ph/0608094
Brett D. Altschul
B. Altschul
Limits on Neutron Lorentz Violation from Pulsar Timing
10 pages, version to appear in Phys. Rev. D
Phys.Rev.D75:023001,2007
10.1103/PhysRevD.75.023001
IUHET-497
hep-ph astro-ph hep-th
null
Pulsars are the most accurate naturally occurring clocks, and data about them can be used to set bounds on neutron-sector Lorentz violations. If SO(3) rotation symmetry is completely broken for neutrons, then pulsars' rotation speeds will vary periodically. Pulsar timing data limits the relevant Lorentz-violating coe...
[ { "created": "Tue, 8 Aug 2006 20:21:30 GMT", "version": "v1" }, { "created": "Mon, 11 Dec 2006 21:47:40 GMT", "version": "v2" } ]
2008-11-26
[ [ "Altschul", "B.", "" ] ]
Pulsars are the most accurate naturally occurring clocks, and data about them can be used to set bounds on neutron-sector Lorentz violations. If SO(3) rotation symmetry is completely broken for neutrons, then pulsars' rotation speeds will vary periodically. Pulsar timing data limits the relevant Lorentz-violating coeff...
hep-ph/9205209
Geert Jan van Oldenborgh
Frank Cuypers, Geert Jan van Oldenborgh and Reinhold R\"uckl
Supersymmetric Signals in Electron-Photon Collision
15 pages
Nucl.Phys. B383 (1992) 45-57
10.1016/0550-3213(92)90669-3
null
hep-ph
null
Associated selectron-neutralino production in the process $e^-\gamma\to\tilde e^-\tilde\chi^0$ provides a striking supersymmetric signal: events with a single high $p_\perp$ electron and otherwise only invisible particles. For $e^-\gamma$ collisions obtained at high energy linear colliders through back-scattering of ...
[ { "created": "Fri, 8 May 1992 07:39:32 GMT", "version": "v1" } ]
2009-10-22
[ [ "Cuypers", "Frank", "" ], [ "van Oldenborgh", "Geert Jan", "" ], [ "Rückl", "Reinhold", "" ] ]
Associated selectron-neutralino production in the process $e^-\gamma\to\tilde e^-\tilde\chi^0$ provides a striking supersymmetric signal: events with a single high $p_\perp$ electron and otherwise only invisible particles. For $e^-\gamma$ collisions obtained at high energy linear colliders through back-scattering of a ...
2406.10342
Alexander John MacLeod
Alexander J. Macleod and Ben King
Fundamental constants from photon-photon scattering in three-beam collisions
19 pages, 18 figures
null
null
null
hep-ph physics.optics physics.plasm-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Direct measurement of the elastic scattering of real photons on an electromagnetic field would allow the fundamental low-energy constants of quantum electrodynamics (QED) to be experimentally determined. We show that scenarios involving the collision of three laser beams have several advantages over conventional two-...
[ { "created": "Fri, 14 Jun 2024 18:00:04 GMT", "version": "v1" } ]
2024-06-19
[ [ "Macleod", "Alexander J.", "" ], [ "King", "Ben", "" ] ]
Direct measurement of the elastic scattering of real photons on an electromagnetic field would allow the fundamental low-energy constants of quantum electrodynamics (QED) to be experimentally determined. We show that scenarios involving the collision of three laser beams have several advantages over conventional two-be...
2408.04130
Wenchao Zhang
Jian Cao, Jin-Peng Zhang, Jia-Hao Shi, Zhi-Ying Qin, Wen-Chao Zhang, Hua Zheng, An-Ke Lei, Zhi-Lei She, Dai-Mei Zhou, Yu-Liang Yan, Ben-Hao Sa
Predicting X(2370) glueball-like particle production in pp collisions at the LHC energy with PACIAE model
6 pages, 5 figures
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
Inspired by the BESIII newest observation of X(2370) glueball-like particle production in $e^+e^-$ collisions, we search its production in proton-proton (pp) collisions at $\sqrt{s}=$ 13 TeV with a parton and hadron cascade model PACIAE. In this model, the final partonic state (FPS) and final hadronic state (FHS) are...
[ { "created": "Wed, 7 Aug 2024 23:38:49 GMT", "version": "v1" } ]
2024-08-09
[ [ "Cao", "Jian", "" ], [ "Zhang", "Jin-Peng", "" ], [ "Shi", "Jia-Hao", "" ], [ "Qin", "Zhi-Ying", "" ], [ "Zhang", "Wen-Chao", "" ], [ "Zheng", "Hua", "" ], [ "Lei", "An-Ke", "" ], [ "She", "Zhi-...
Inspired by the BESIII newest observation of X(2370) glueball-like particle production in $e^+e^-$ collisions, we search its production in proton-proton (pp) collisions at $\sqrt{s}=$ 13 TeV with a parton and hadron cascade model PACIAE. In this model, the final partonic state (FPS) and final hadronic state (FHS) are c...
1407.6546
Renata Jora
Amir H. Fariborz, Renata Jora, Joseph Schechter
Tree level relations in a composite electroweak theory
4 pages, typos fixed, version published in MPLA
Modern Physics Letters A Volume No.29, Issue No. 31, 2014
10.1142/S0217732314501661
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We work out simple tree level relations in a top condensate model with dynamical electroweak symmetry breaking. We find that in this picture the mass of the composite Higgs boson at tree level is given by $m_H^2=\frac{m_t^2}{2}$ where $m_t$ is the mass of the top quark.
[ { "created": "Thu, 24 Jul 2014 12:30:00 GMT", "version": "v1" }, { "created": "Sun, 2 Nov 2014 07:57:30 GMT", "version": "v2" } ]
2014-11-04
[ [ "Fariborz", "Amir H.", "" ], [ "Jora", "Renata", "" ], [ "Schechter", "Joseph", "" ] ]
We work out simple tree level relations in a top condensate model with dynamical electroweak symmetry breaking. We find that in this picture the mass of the composite Higgs boson at tree level is given by $m_H^2=\frac{m_t^2}{2}$ where $m_t$ is the mass of the top quark.
2105.14249
Wiriya Ruangyoo
Wiriya Ruangyoo, Kanokphon Phumphan, Chia-Chu Chen, Ayut Limphirat, Yupeng Yan
$P_c$ Resonances in the Compact Pentaquark Picture
6 pages, 2 figures
null
10.1088/1361-6471/ac58af
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
$P_c$ resonances are studied in the approach of quark model and group theory. It is found that there are totally 17 possible pentaquark states with the quark contents $q^3Q \bar Q$ ($q$ are $u$ and $d$ quarks; $Q$ is $c$ quark) in the compact pentaquark picture, where the hidden heavy pentaquark states may take the c...
[ { "created": "Sat, 29 May 2021 08:28:36 GMT", "version": "v1" }, { "created": "Sat, 12 Jun 2021 06:19:58 GMT", "version": "v2" } ]
2022-06-08
[ [ "Ruangyoo", "Wiriya", "" ], [ "Phumphan", "Kanokphon", "" ], [ "Chen", "Chia-Chu", "" ], [ "Limphirat", "Ayut", "" ], [ "Yan", "Yupeng", "" ] ]
$P_c$ resonances are studied in the approach of quark model and group theory. It is found that there are totally 17 possible pentaquark states with the quark contents $q^3Q \bar Q$ ($q$ are $u$ and $d$ quarks; $Q$ is $c$ quark) in the compact pentaquark picture, where the hidden heavy pentaquark states may take the col...
hep-ph/9607405
null
A. Brignole, L.E. Ib\'a\~nez and C. Mu\~noz
Orbifold-induced $\mu$ term and electroweak symmetry breaking
9 pages, LaTeX file
Phys.Lett. B387 (1996) 769-774
10.1016/0370-2693(96)01114-8
CERN-TH/96-183, FTUAM 96/28
hep-ph hep-th
null
It is known that a Higgs $\mu$ term can be naturally generated through the K\"ahler potential in orbifold string models in which one of the three compactified complex planes has order two. In this class of models explicit expressions for both the $\mu$ parameter and the soft SUSY-breaking parameters can be obtained u...
[ { "created": "Tue, 23 Jul 1996 17:43:33 GMT", "version": "v1" } ]
2009-10-28
[ [ "Brignole", "A.", "" ], [ "Ibáñez", "L. E.", "" ], [ "Muñoz", "C.", "" ] ]
It is known that a Higgs $\mu$ term can be naturally generated through the K\"ahler potential in orbifold string models in which one of the three compactified complex planes has order two. In this class of models explicit expressions for both the $\mu$ parameter and the soft SUSY-breaking parameters can be obtained und...
hep-ph/0310363
Jan T. Sobczyk
Jan T. Sobczyk
On two weak CC Delta production models
9 pages, includes 9 figures, accepted for publication in J. Phys. G
null
10.1088/0954-3899/30/9/015
null
hep-ph
null
We perform a detail analysis of two models of neutrino CC Delta production on free nucleons. First model is a standard one based on nucleon-Delta transition current with several form-factors. Second model is a starting point for a construction of Marteau model with sophisticated analytical computations of nuclear eff...
[ { "created": "Fri, 31 Oct 2003 13:45:43 GMT", "version": "v1" }, { "created": "Fri, 23 Jul 2004 17:47:41 GMT", "version": "v2" } ]
2009-11-10
[ [ "Sobczyk", "Jan T.", "" ] ]
We perform a detail analysis of two models of neutrino CC Delta production on free nucleons. First model is a standard one based on nucleon-Delta transition current with several form-factors. Second model is a starting point for a construction of Marteau model with sophisticated analytical computations of nuclear effec...
1408.0682
Lorenzo Magnea
Lorenzo Magnea
Progress on the infrared structure of multi-particle gauge theory amplitudes
13 pages, 1 figure. Contribution to the Proceedings of "Loops and Legs in Quantum Field Theory", 27 April - 2 May 2014, Weimar, Germany
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I will review some of the recent intense activity concerning infrared and collinear divergences in gauge theory amplitudes. The central quantity in these studies is the multi-particle soft anomalous dimension matrix, which is completely known at two loops for both massless and massive particles, and whose properties ...
[ { "created": "Mon, 4 Aug 2014 13:39:01 GMT", "version": "v1" } ]
2014-08-05
[ [ "Magnea", "Lorenzo", "" ] ]
I will review some of the recent intense activity concerning infrared and collinear divergences in gauge theory amplitudes. The central quantity in these studies is the multi-particle soft anomalous dimension matrix, which is completely known at two loops for both massless and massive particles, and whose properties ar...
2202.08094
Marco Martini
M. Martini, M. Ericson, G. Chanfray
Investigation of the MicroBooNE neutrino cross sections on Argon
Published version
Phys. Rev. C 106, 015503 (2022)
10.1103/PhysRevC.106.015503
null
hep-ph hep-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
Experimental data of charged current inclusive neutrino cross sections on argon as a function of different variables have recently appeared. We have compared them to our theoretical approach. Overall we find an agreement in spite of a tendency of underestimation in some specific regions. A new aspect is the availabil...
[ { "created": "Wed, 16 Feb 2022 14:26:45 GMT", "version": "v1" }, { "created": "Sun, 31 Jul 2022 13:12:14 GMT", "version": "v2" } ]
2022-08-02
[ [ "Martini", "M.", "" ], [ "Ericson", "M.", "" ], [ "Chanfray", "G.", "" ] ]
Experimental data of charged current inclusive neutrino cross sections on argon as a function of different variables have recently appeared. We have compared them to our theoretical approach. Overall we find an agreement in spite of a tendency of underestimation in some specific regions. A new aspect is the availabilit...
1810.03280
Geng Li
Geng Li, Tianhong Wang, Yue Jiang, Xiao-Ze Tan, Guo-Li Wang
The study of light invisible particles in $B_c$ decays
24 pages, 35 figures
J. High Energ. Phys. (2019) 2019: 28
10.1007/JHEP03(2019)028
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we study the light scalar and pseudoscalar invisible particles in the flavor changing neutral current processes of the $B_c$ meson. Effective operators are introduced to describe the couplings between quarks and light invisible particles. The Wilson coefficients are extracted from the experimental resu...
[ { "created": "Mon, 8 Oct 2018 06:43:05 GMT", "version": "v1" }, { "created": "Sun, 10 Mar 2019 06:34:15 GMT", "version": "v2" } ]
2019-03-12
[ [ "Li", "Geng", "" ], [ "Wang", "Tianhong", "" ], [ "Jiang", "Yue", "" ], [ "Tan", "Xiao-Ze", "" ], [ "Wang", "Guo-Li", "" ] ]
In this paper, we study the light scalar and pseudoscalar invisible particles in the flavor changing neutral current processes of the $B_c$ meson. Effective operators are introduced to describe the couplings between quarks and light invisible particles. The Wilson coefficients are extracted from the experimental result...
1711.11163
Jorge David Castano-Yepes
Jorge David Casta\~no-Yepes, Alejandro Ayala, C. A. Dominguez, L. A. Hern\'andez, Sa\'ul Hern\'andez-Ort\'iz, Mar\'ia Elena Tejeda-Yeomans
Prompt photon yield and $v_2$ coefficient from gluon fusion induced by magnetic field in heavy-ion collision
6 pages, 2 figures, conference paper from ISMD 2017
null
10.1051/epjconf/201817208004
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the production of prompt photons and the $v_2$ harmonic coefficient in relativistic heavy-ion collisions induced by gluon fusion in the presence of an intense magnetic field, during the early stages of the reaction. The calculations take into account several parameters which are relevant to the description...
[ { "created": "Thu, 30 Nov 2017 00:09:56 GMT", "version": "v1" } ]
2018-03-14
[ [ "Castaño-Yepes", "Jorge David", "" ], [ "Ayala", "Alejandro", "" ], [ "Dominguez", "C. A.", "" ], [ "Hernández", "L. A.", "" ], [ "Hernández-Ortíz", "Saúl", "" ], [ "Tejeda-Yeomans", "María Elena", "" ] ]
We compute the production of prompt photons and the $v_2$ harmonic coefficient in relativistic heavy-ion collisions induced by gluon fusion in the presence of an intense magnetic field, during the early stages of the reaction. The calculations take into account several parameters which are relevant to the description o...
1106.4756
Xavier Garcia i Tormo
Andrzej Czarnecki, Xavier Garcia i Tormo, William J. Marciano
Muon decay in orbit: spectrum of high-energy electrons
11 pages, 6 figures. Accepted for publication in Phys.Rev.D. v2: One sentence modified to avoid possible misunderstandings. Journal version
Phys.Rev.D84:013006,2011
10.1103/PhysRevD.84.013006
Alberta Thy 08-11
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Experimental searches for lepton-flavor-violating coherent muon-to-electron conversion in the field of a nucleus, have been proposed to reach the unprecedented sensitivity of 10^(-16) - 10^(-18) per stopped muon. At that level, they probe new interactions at effective-mass scales well beyond 1000 TeV. However, they m...
[ { "created": "Thu, 23 Jun 2011 15:58:31 GMT", "version": "v1" }, { "created": "Fri, 15 Jul 2011 15:58:17 GMT", "version": "v2" } ]
2011-08-08
[ [ "Czarnecki", "Andrzej", "" ], [ "Tormo", "Xavier Garcia i", "" ], [ "Marciano", "William J.", "" ] ]
Experimental searches for lepton-flavor-violating coherent muon-to-electron conversion in the field of a nucleus, have been proposed to reach the unprecedented sensitivity of 10^(-16) - 10^(-18) per stopped muon. At that level, they probe new interactions at effective-mass scales well beyond 1000 TeV. However, they mus...
1710.03822
Jason Kumar
Carsten Rott, Seongjin In, Jason Kumar, David Yaylali
New Dark Matter Search Strategies at DUNE
8 pages, 3 figures, LaTeX, prepared for the proceedings of TAUP 2017
null
null
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
If dark matter annihilates to light quarks in the core of the Sun, then a flux of 236 MeV neutrinos will be produced from the decay of stopped kaons. We consider strategies for DUNE to not only observe such a signal, but to determine the direction of the neutrino from the hadronic recoil. We show that this novel stra...
[ { "created": "Tue, 10 Oct 2017 21:11:01 GMT", "version": "v1" } ]
2017-10-12
[ [ "Rott", "Carsten", "" ], [ "In", "Seongjin", "" ], [ "Kumar", "Jason", "" ], [ "Yaylali", "David", "" ] ]
If dark matter annihilates to light quarks in the core of the Sun, then a flux of 236 MeV neutrinos will be produced from the decay of stopped kaons. We consider strategies for DUNE to not only observe such a signal, but to determine the direction of the neutrino from the hadronic recoil. We show that this novel strate...
1311.7107
Simon Knapen
Simon Knapen, David Shih
Higgs Mediation with Strong Hidden Sector Dynamics
40 pages, 8 figures, corrected minor typos, updated collider bounds, version accepted in JHEP
null
10.1007/JHEP08(2014)136
RUNHETC-2013-25
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a simple model that achieves $m_h\approx 126$ GeV in the MSSM with large $A$-terms and TeV-scale stops through a combination of gauge mediation and Higgs-messenger interactions. The $\mu$/$B_\mu$ and $A$/$m_H^2$ problems are both solved by a common mechanism -- partial sequestering from strong hidden secto...
[ { "created": "Wed, 27 Nov 2013 20:15:30 GMT", "version": "v1" }, { "created": "Thu, 30 Jan 2014 23:14:37 GMT", "version": "v2" }, { "created": "Fri, 12 Sep 2014 23:13:24 GMT", "version": "v3" } ]
2015-06-18
[ [ "Knapen", "Simon", "" ], [ "Shih", "David", "" ] ]
We present a simple model that achieves $m_h\approx 126$ GeV in the MSSM with large $A$-terms and TeV-scale stops through a combination of gauge mediation and Higgs-messenger interactions. The $\mu$/$B_\mu$ and $A$/$m_H^2$ problems are both solved by a common mechanism -- partial sequestering from strong hidden sector ...
1504.00355
Florian Goertz
Florian Goertz
Electroweak Symmetry Breaking without the $\mu^2$ Term
12 pages, 5 figures; v2: references added, minor clarifications, shortened and corrected appendix, matches version submitted to journal; v3: matches published version
Phys. Rev. D 94, 015013 (2016)
10.1103/PhysRevD.94.015013
CERN-PH-TH-2015-071
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We demonstrate that from a low energy perspective a viable breaking of the electroweak symmetry, as present in nature, can be achieved without the (negative sign) $\mu^2$ mass term in the Higgs potential, thereby avoiding completely the appearance of relevant operators, featuring coefficients with a positive mass dim...
[ { "created": "Wed, 1 Apr 2015 19:59:18 GMT", "version": "v1" }, { "created": "Tue, 12 May 2015 19:44:54 GMT", "version": "v2" }, { "created": "Thu, 22 Mar 2018 17:47:56 GMT", "version": "v3" } ]
2018-03-23
[ [ "Goertz", "Florian", "" ] ]
We demonstrate that from a low energy perspective a viable breaking of the electroweak symmetry, as present in nature, can be achieved without the (negative sign) $\mu^2$ mass term in the Higgs potential, thereby avoiding completely the appearance of relevant operators, featuring coefficients with a positive mass dimen...
2203.07515
Michael Eides
Michael I. Eides and Valery A. Shelyuto
Three-Loop Corrections to Lamb Shift in Positronium: Electron Factor and Polarization
8 pages, 2 figures
null
10.1016/j.physletb.2022.137247
null
hep-ph physics.atom-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Hard spin-independent three-loop radiative contributions to energy levels in positronium generated by the two-photon-exchange diagrams with one-loop radiative insertions in the fermion lines and exchanged photons are calculated. This is a next step in calculations of all corrections of order $m\alpha^7$ inspired by t...
[ { "created": "Mon, 14 Mar 2022 21:49:29 GMT", "version": "v1" }, { "created": "Sat, 14 May 2022 18:10:49 GMT", "version": "v2" } ]
2022-06-15
[ [ "Eides", "Michael I.", "" ], [ "Shelyuto", "Valery A.", "" ] ]
Hard spin-independent three-loop radiative contributions to energy levels in positronium generated by the two-photon-exchange diagrams with one-loop radiative insertions in the fermion lines and exchanged photons are calculated. This is a next step in calculations of all corrections of order $m\alpha^7$ inspired by the...
1202.2195
Shengqin Feng
Sheng-Qin Feng and Yang Zhong
Baryon productions and collective flow of relativistic heavy-ion collisions in the AGS, SPS, RHIC and LHC energy regions($\sqrt{s_{NN}}\leq5$GeV to 5.5 TeV)
7 pages, 8 figures
Physical Review C 83, 034908 (2011)
10.1103/PhysRevC.83.034908
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The features of net baryon productions and collective flow in relativistic heavy-ion collisions at energies reached at the CERN Large Hadron Collider (LHC), BNL Relativistic Heavy Ion Collider (RHIC), CERN Super Proton Synchrotron (SPS) and BNL Alternating Gradient Synchrotron (AGS) with the model of Non-Uniform Flow...
[ { "created": "Fri, 10 Feb 2012 06:52:26 GMT", "version": "v1" } ]
2012-02-13
[ [ "Feng", "Sheng-Qin", "" ], [ "Zhong", "Yang", "" ] ]
The features of net baryon productions and collective flow in relativistic heavy-ion collisions at energies reached at the CERN Large Hadron Collider (LHC), BNL Relativistic Heavy Ion Collider (RHIC), CERN Super Proton Synchrotron (SPS) and BNL Alternating Gradient Synchrotron (AGS) with the model of Non-Uniform Flow M...
2204.03667
Rafa{\l} Mase{\l}ek
Mohammad Mahdi Altakach, Priyanka Lamba, Rafa{\l} Mase{\l}ek, Vasiliki A. Mitsou and Kazuki Sakurai
Discovery prospects for long-lived multiply charged particles at the LHC
33 pages, 18 figures, published in EPJC
EPJC 82, 848 (2022)
10.1140/epjc/s10052-022-10805-z
IFIC/22-13
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, we aim to provide a comprehensive and largely model independent investigation on prospects to detect long-lived multiply charged particles at the LHC. We consider particles with spin 0 and $\frac{1}{2}$, with electric charges in range $1 \le |Q/e| \le 8$, which are singlet or triplet under $SU(3)_C$. Su...
[ { "created": "Thu, 7 Apr 2022 18:00:04 GMT", "version": "v1" }, { "created": "Sat, 8 Oct 2022 19:30:02 GMT", "version": "v2" } ]
2022-10-11
[ [ "Altakach", "Mohammad Mahdi", "" ], [ "Lamba", "Priyanka", "" ], [ "Masełek", "Rafał", "" ], [ "Mitsou", "Vasiliki A.", "" ], [ "Sakurai", "Kazuki", "" ] ]
In this work, we aim to provide a comprehensive and largely model independent investigation on prospects to detect long-lived multiply charged particles at the LHC. We consider particles with spin 0 and $\frac{1}{2}$, with electric charges in range $1 \le |Q/e| \le 8$, which are singlet or triplet under $SU(3)_C$. Such...
hep-ph/9910247
Paulo F. Bedaque
Paulo F. Bedaque
Color Superconductivity in Asymmetric Matter
8 pages, 2 figures
Nucl.Phys. A697 (2002) 569-577
10.1016/S0375-9474(01)01234-9
40561-75-INT99
hep-ph
null
The influence of different chemical potential for different flavors on color superconductivity is analyzed. It is found that there is a first order transition as the asymmetry grows. This transition proceeds through the formation of bubbles of low density, flavor asymmetric normal phase inside a high density, super...
[ { "created": "Wed, 6 Oct 1999 01:28:39 GMT", "version": "v1" } ]
2016-09-06
[ [ "Bedaque", "Paulo F.", "" ] ]
The influence of different chemical potential for different flavors on color superconductivity is analyzed. It is found that there is a first order transition as the asymmetry grows. This transition proceeds through the formation of bubbles of low density, flavor asymmetric normal phase inside a high density, supercond...
1111.1838
Isaac Vidana
M. F. M. Lutz and I. Vidana
On kinematical constraints in boson-boson systems
14 pages, 8 tables
null
10.1140/epja/i2012-12124-4
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the scattering of two-bosons with negative parity and spin 0 or 1. Starting from helicity partial-wave scattering amplitudes we derive transformations that eliminate all kinematical constraints. Such amplitudes are expected to satisfy partial-wave dispersion relations and therefore provide a suitable basi...
[ { "created": "Tue, 8 Nov 2011 09:42:52 GMT", "version": "v1" } ]
2015-06-03
[ [ "Lutz", "M. F. M.", "" ], [ "Vidana", "I.", "" ] ]
We consider the scattering of two-bosons with negative parity and spin 0 or 1. Starting from helicity partial-wave scattering amplitudes we derive transformations that eliminate all kinematical constraints. Such amplitudes are expected to satisfy partial-wave dispersion relations and therefore provide a suitable basis ...
hep-ph/9508225
Craig Roberts
M. R. Frank and C. D. Roberts
Model gluon propagator and pion and rho-meson observables
17 Pages, no figures, REVTEX
Phys.Rev.C53:390-398,1996
10.1103/PhysRevC.53.390
ANL-PHY-8072-TH-95, INT95-00-97
hep-ph nucl-th
null
A one parameter, model confined-gluon propagator is employed in a phenomenological application of the Dyson-Schwinger and Bethe-Salpeter equations to the calculation of a range of $\pi$- and $\rho$-meson observables. Good agreement is obtained with the data. The calculated quark propagator does not have a singularity...
[ { "created": "Thu, 3 Aug 1995 20:21:32 GMT", "version": "v1" } ]
2008-11-26
[ [ "Frank", "M. R.", "" ], [ "Roberts", "C. D.", "" ] ]
A one parameter, model confined-gluon propagator is employed in a phenomenological application of the Dyson-Schwinger and Bethe-Salpeter equations to the calculation of a range of $\pi$- and $\rho$-meson observables. Good agreement is obtained with the data. The calculated quark propagator does not have a singularity o...
hep-ph/9507260
null
B. Dutta and S. Nandi
A new ansatz: Fritzsch Mass Matrices with least modification
10 pages, Latex, Figure available on request
Phys.Lett. B366 (1996) 281-286
10.1016/0370-2693(95)01316-4
OSU-304
hep-ph
null
We investigate how the Fritzsch ansatz for the quark mass matrices can be modified in the least possible way to accommodate the observed large top quark mass and the measured values of the CKM elements. As one of the solutions, we find that the \{23\} and the \{32\} elements of the up quark mass matrix are unequal. T...
[ { "created": "Fri, 7 Jul 1995 19:02:31 GMT", "version": "v1" } ]
2009-10-28
[ [ "Dutta", "B.", "" ], [ "Nandi", "S.", "" ] ]
We investigate how the Fritzsch ansatz for the quark mass matrices can be modified in the least possible way to accommodate the observed large top quark mass and the measured values of the CKM elements. As one of the solutions, we find that the \{23\} and the \{32\} elements of the up quark mass matrix are unequal. The...
1803.08930
Latham Boyle
Latham Boyle, Kieran Finn and Neil Turok
The Big Bang, CPT, and neutrino dark matter
25 pages, matches version published in Annals of Physics
Ann. of Phys. 438, 168767 (2022)
10.1016/j.aop.2022.168767
null
hep-ph astro-ph.CO gr-qc hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the idea that the universe before the Big Bang is the $CPT$ reflection of the universe after the bang, both classically and quantum mechanically, so that the universe does {\it not} spontaneously violate $CPT$. We show how $CPT$ symmetry selects a preferred vacuum state for quantum fields on a $CPT$-in...
[ { "created": "Fri, 23 Mar 2018 18:00:05 GMT", "version": "v1" }, { "created": "Sat, 22 Jan 2022 06:18:51 GMT", "version": "v2" } ]
2022-02-11
[ [ "Boyle", "Latham", "" ], [ "Finn", "Kieran", "" ], [ "Turok", "Neil", "" ] ]
We investigate the idea that the universe before the Big Bang is the $CPT$ reflection of the universe after the bang, both classically and quantum mechanically, so that the universe does {\it not} spontaneously violate $CPT$. We show how $CPT$ symmetry selects a preferred vacuum state for quantum fields on a $CPT$-inva...
hep-ph/9910372
Dr. Giuseppe Andronico
M. Consoli, F. Siringo
Newtonian gravity from Higgs condensates
Interpretation of the gap-less mode of the Higgs field as a Goldstone boson of a spontaneously broken continuous simmetry that does not exist in the simmetric phase
null
null
null
hep-ph astro-ph
null
We propose a description of {\it Newtonian} gravity as a long wavelength excitation of the scalar condensate inducing electroweak symmetry breaking. Indeed, one finds a $-{{G_F}\over{\eta}}{{m_im_j}\over{r}}$ long-range potential where $G_F$ is the Fermi constant and $\eta\equiv {{M^2_h}\over{2m^2}} $ is determined b...
[ { "created": "Mon, 18 Oct 1999 07:52:56 GMT", "version": "v1" }, { "created": "Wed, 3 Nov 1999 09:06:01 GMT", "version": "v2" }, { "created": "Thu, 18 Nov 1999 07:44:12 GMT", "version": "v3" }, { "created": "Tue, 30 Nov 1999 08:52:02 GMT", "version": "v4" } ]
2007-05-23
[ [ "Consoli", "M.", "" ], [ "Siringo", "F.", "" ] ]
We propose a description of {\it Newtonian} gravity as a long wavelength excitation of the scalar condensate inducing electroweak symmetry breaking. Indeed, one finds a $-{{G_F}\over{\eta}}{{m_im_j}\over{r}}$ long-range potential where $G_F$ is the Fermi constant and $\eta\equiv {{M^2_h}\over{2m^2}} $ is determined by ...
hep-ph/9802325
Joao Pacheco B. C. de Melo
J. P. B. C de Melo (Instituto de Fisica da Universidade de Sao Paulo), J.H.O. Sales, T. Frederico (Departamento de Fisica,ITA, Centro Tecnico Aeroespacial) and P.U. Sauer (Institute for Theoretical Physics, University Hannover)
Pairs in the light-front and covariance
8 pages latex,revtex. e-mail: pacheco@axpfep1.if.usp.br and tobias@fis.ita.cta.br
Nucl.Phys.A631:574c-579c,1998
10.1016/S0375-9474(98)00070-0
null
hep-ph
null
The electromagnetic current of bound systems in the light-front is constructed in the Breit-Frame, in the limit of momentum transfer $q^+=(q^0+q^3)$ vanishing. In this limit, the pair creation term survives and it is responsible for the covariance of the current. The pair creation term is computed for the $j^+$ curre...
[ { "created": "Sat, 14 Feb 1998 17:28:01 GMT", "version": "v1" } ]
2010-11-19
[ [ "de Melo", "J. P. B. C", "", "Instituto de Fisica da Universidade de Sao Paulo" ], [ "Sales", "J. H. O.", "", "Departamento de Fisica,ITA, Centro Tecnico\n Aeroespacial" ], [ "Frederico", "T.", "", "Departamento de Fisica,ITA, Centro Tecnico\n Aeroespacial...
The electromagnetic current of bound systems in the light-front is constructed in the Breit-Frame, in the limit of momentum transfer $q^+=(q^0+q^3)$ vanishing. In this limit, the pair creation term survives and it is responsible for the covariance of the current. The pair creation term is computed for the $j^+$ current...
hep-ph/9404265
Annamaria Zajec
J. Schechter
Possible Extension of the Chiral Perturbation Theory Program
Contribution to Marshak Memorial Volume, edited by E.C.G. Sudarshan, to be published by World Scientific, Singapore 1994, PREPRINT SU-4240-570
null
10.1142/9789812831408_0044
null
hep-ph
null
After a brief discussion of how chiral dynamics has evolved from the ``universal V-A theory of weak interactions'', we present some evidence that symmetry breaking for the vector meson multiplet is not simpler than but rather analogous to that for the pseudoscalar multiplet. This provides a motivation for speculating...
[ { "created": "Wed, 13 Apr 1994 15:33:51 GMT", "version": "v1" } ]
2016-11-03
[ [ "Schechter", "J.", "" ] ]
After a brief discussion of how chiral dynamics has evolved from the ``universal V-A theory of weak interactions'', we present some evidence that symmetry breaking for the vector meson multiplet is not simpler than but rather analogous to that for the pseudoscalar multiplet. This provides a motivation for speculating o...
2012.13409
Fabrizio Rompineve
Jan Olle, Oriol Pujolas, Fabrizio Rompineve
Recipes for Oscillon Longevity
29 pages, 10 figures. v2: references added, typos corrected, further clarifications added
null
10.1088/1475-7516/2021/09/015
null
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Oscillons are localized states of scalar fields sustained by self interactions. They decay by emitting classical radiation, but their lifetimes are surprisingly large. We revisit the reasons behind their longevity, aiming at how the shape of the scalar potential $V(\phi)$ determines the lifetime. The corpuscular pict...
[ { "created": "Thu, 24 Dec 2020 19:00:01 GMT", "version": "v1" }, { "created": "Tue, 19 Jan 2021 16:48:52 GMT", "version": "v2" } ]
2021-09-22
[ [ "Olle", "Jan", "" ], [ "Pujolas", "Oriol", "" ], [ "Rompineve", "Fabrizio", "" ] ]
Oscillons are localized states of scalar fields sustained by self interactions. They decay by emitting classical radiation, but their lifetimes are surprisingly large. We revisit the reasons behind their longevity, aiming at how the shape of the scalar potential $V(\phi)$ determines the lifetime. The corpuscular pictur...
1402.1173
Francesco D'Eramo
Andreas Crivellin, Francesco D'Eramo, Massimiliano Procura
New Constraints on Dark Matter Effective Theories from Standard Model Loops
6 pages, 3 figures. v2: revised manuscript, updated formulas and plots, improved bounds, references added, journal version
Phys. Rev. Lett. 112, 191304 (2014)
10.1103/PhysRevLett.112.191304
UCB-PTH-14/01, CERN-PH-TH/2014-016
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider an effective field theory for a gauge singlet Dirac dark matter (DM) particle interacting with the Standard Model (SM) fields via effective operators suppressed by the scale $\Lambda \gtrsim 1$ TeV. We perform a systematic analysis of the leading loop contributions to spin-independent (SI) DM--nucleon sca...
[ { "created": "Wed, 5 Feb 2014 21:00:17 GMT", "version": "v1" }, { "created": "Fri, 16 May 2014 16:44:00 GMT", "version": "v2" } ]
2014-05-21
[ [ "Crivellin", "Andreas", "" ], [ "D'Eramo", "Francesco", "" ], [ "Procura", "Massimiliano", "" ] ]
We consider an effective field theory for a gauge singlet Dirac dark matter (DM) particle interacting with the Standard Model (SM) fields via effective operators suppressed by the scale $\Lambda \gtrsim 1$ TeV. We perform a systematic analysis of the leading loop contributions to spin-independent (SI) DM--nucleon scatt...
hep-ph/0604023
Feng Yuan
Xiangdong Ji, Jianwei Qiu, Werner Vogelsang, Feng Yuan
Single Transverse-Spin Asymmetry in Drell-Yan Production at Large and Moderate Transverse Momentum
29 pages, 10 figures
Phys.Rev.D73:094017,2006
10.1103/PhysRevD.73.094017
BNL-NT-06/14, RBRC-574
hep-ph
null
We study the single-transverse spin asymmetry for the Drell-Yan process. We consider production of the lepton pair at large transverse momentum, $q_\perp\sim Q$, where $Q$ is the pair's mass. The spin asymmetry is then of higher twist and may be generated by twist-three quark-gluon correlation functions. Expanding th...
[ { "created": "Tue, 4 Apr 2006 02:28:03 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ji", "Xiangdong", "" ], [ "Qiu", "Jianwei", "" ], [ "Vogelsang", "Werner", "" ], [ "Yuan", "Feng", "" ] ]
We study the single-transverse spin asymmetry for the Drell-Yan process. We consider production of the lepton pair at large transverse momentum, $q_\perp\sim Q$, where $Q$ is the pair's mass. The spin asymmetry is then of higher twist and may be generated by twist-three quark-gluon correlation functions. Expanding the ...
0707.1658
Gabriel A. Gonzalez-Sprinberg
G. A. Gonz\'alez-Sprinberg, J. Bernab\'eu and J. Vidal
$\tau$ electric dipole moment with polarized beams
8 pages, 1 figure, contributed paper to Lepton Photon 2007
null
null
null
hep-ph
null
High luminosity Super B/Flavor factories, near and on top of the $\Upsilon$ resonances, allow for a detailed investigation of CP-violation in $\tau$ physics. In particular, bounds on the $\tau$ electric dipole moment can be obtained from CP-odd observables. We perform an independent analysis from other low and high e...
[ { "created": "Wed, 11 Jul 2007 16:40:39 GMT", "version": "v1" } ]
2007-07-12
[ [ "González-Sprinberg", "G. A.", "" ], [ "Bernabéu", "J.", "" ], [ "Vidal", "J.", "" ] ]
High luminosity Super B/Flavor factories, near and on top of the $\Upsilon$ resonances, allow for a detailed investigation of CP-violation in $\tau$ physics. In particular, bounds on the $\tau$ electric dipole moment can be obtained from CP-odd observables. We perform an independent analysis from other low and high ene...
0802.1572
Dong-Won Jung
Dong-Won Jung, Kang Young Lee
Production of the charged Higgs bosons at the CERN Large Hadron Collider in the left-right symmetric model
The version which will appear in PRD. References are added
Phys.Rev.D78:015022,2008
10.1103/PhysRevD.78.015022
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the production of the charged Higgs boson at the LHC in the left-right symmetric model. It is shown that there exists a lower bound of the cross section. We investigate that predicted cross sections of this model are generally larger than those of the two Higgs doublet model or the minimal supersymmetric mod...
[ { "created": "Tue, 12 Feb 2008 06:39:51 GMT", "version": "v1" }, { "created": "Tue, 13 May 2008 09:31:40 GMT", "version": "v2" }, { "created": "Mon, 30 Jun 2008 07:50:08 GMT", "version": "v3" } ]
2008-11-26
[ [ "Jung", "Dong-Won", "" ], [ "Lee", "Kang Young", "" ] ]
We study the production of the charged Higgs boson at the LHC in the left-right symmetric model. It is shown that there exists a lower bound of the cross section. We investigate that predicted cross sections of this model are generally larger than those of the two Higgs doublet model or the minimal supersymmetric model...
1801.05805
Asher Berlin
Asher Berlin, Nikita Blinov, Stefania Gori, Philip Schuster, Natalia Toro
Cosmology and Accelerator Tests of Strongly Interacting Dark Matter
20 pages (4 in the Appendix), 6 figures; references added
Phys. Rev. D 97, 055033 (2018)
10.1103/PhysRevD.97.055033
SLAC-PUB-17135
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A natural possibility for dark matter is that it is composed of the stable pions of a QCD-like hidden sector. Existing literature largely assumes that pion self-interactions alone control the early universe cosmology. We point out that processes involving vector mesons typically dominate the physics of dark matter fr...
[ { "created": "Wed, 17 Jan 2018 19:00:00 GMT", "version": "v1" }, { "created": "Tue, 17 Apr 2018 20:56:01 GMT", "version": "v2" } ]
2018-04-19
[ [ "Berlin", "Asher", "" ], [ "Blinov", "Nikita", "" ], [ "Gori", "Stefania", "" ], [ "Schuster", "Philip", "" ], [ "Toro", "Natalia", "" ] ]
A natural possibility for dark matter is that it is composed of the stable pions of a QCD-like hidden sector. Existing literature largely assumes that pion self-interactions alone control the early universe cosmology. We point out that processes involving vector mesons typically dominate the physics of dark matter free...
hep-ph/9911240
Wolfgang Ochs
Wolfgang Ochs (MPI Munich) and Tokuzo Shimada (Meiji Univ. Tokyo)
Rapidity Gaps in Quark and Gluon Jets - a Perturbative Approach
7 pages, 3 figs., to appear in Proc. XXIX Int. Symp. QCD & Multiparticle Production (ISMD99), Brown University, Providence, RI, USA, Aug. 1999
null
null
MPI-Pht 99-49
hep-ph
null
We derive the probability for rapidity gaps in a parton cascade and investigate the dual connection with hadronic final states. A good description of observations in e+e- annihilations is obtained by perturbative QCD calculations in MLLA using previously determined parameters (QCD scale \Lambda and k_T-cut-off Q_0) a...
[ { "created": "Thu, 4 Nov 1999 15:28:52 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ochs", "Wolfgang", "", "MPI Munich" ], [ "Shimada", "Tokuzo", "", "Meiji Univ. Tokyo" ] ]
We derive the probability for rapidity gaps in a parton cascade and investigate the dual connection with hadronic final states. A good description of observations in e+e- annihilations is obtained by perturbative QCD calculations in MLLA using previously determined parameters (QCD scale \Lambda and k_T-cut-off Q_0) and...
2403.02425
Thomas Biek\"otter
Thomas Biek\"otter, Duarte Fontes, Margarete M\"uhlleitner, Jorge C. Rom\~ao, Rui Santos, Jo\~ao P. Silva
Impact of New Experimental Data on the C2HDM: the Strong Interdependence between LHC Higgs Data and the Electron EDM
24 pages, 7 figures, v2: minor changes, matches published version
JHEP 05 (2024) 127
10.1007/JHEP05(2024)127
CFTP/24-001
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The complex two-Higgs doublet model (C2HDM) is one of the simplest extensions of the Standard Model with a source of CP-violation in the scalar sector. It has a $\mathbb{Z}_2$ symmetry, softly broken by a complex coefficient. There are four ways to implement this symmetry in the fermion sector, leading to models know...
[ { "created": "Mon, 4 Mar 2024 19:18:19 GMT", "version": "v1" }, { "created": "Sun, 14 Jul 2024 14:59:14 GMT", "version": "v2" } ]
2024-07-16
[ [ "Biekötter", "Thomas", "" ], [ "Fontes", "Duarte", "" ], [ "Mühlleitner", "Margarete", "" ], [ "Romão", "Jorge C.", "" ], [ "Santos", "Rui", "" ], [ "Silva", "João P.", "" ] ]
The complex two-Higgs doublet model (C2HDM) is one of the simplest extensions of the Standard Model with a source of CP-violation in the scalar sector. It has a $\mathbb{Z}_2$ symmetry, softly broken by a complex coefficient. There are four ways to implement this symmetry in the fermion sector, leading to models known ...
2407.06091
Shi Pu
Jin-Yu Hu, Shuo Lin, Shi Pu and Qun Wang
Light nuclei photoproduction in relativistic heavy ion ultraperipheral collisions
6 pages, 3 figures
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
We have investigated light nuclei pair photoproduction in relativistic heavy ion ultraperipheral collisions. As a first attempt, we employ our previously developed quantum electrodynamics model, which incorporates a wave-packet description of initial nuclei, to compute the cross section for proton-antiproton pair pho...
[ { "created": "Mon, 8 Jul 2024 16:31:03 GMT", "version": "v1" } ]
2024-07-09
[ [ "Hu", "Jin-Yu", "" ], [ "Lin", "Shuo", "" ], [ "Pu", "Shi", "" ], [ "Wang", "Qun", "" ] ]
We have investigated light nuclei pair photoproduction in relativistic heavy ion ultraperipheral collisions. As a first attempt, we employ our previously developed quantum electrodynamics model, which incorporates a wave-packet description of initial nuclei, to compute the cross section for proton-antiproton pair photo...
2107.13274
Mariola Klusek-Gawenda
Mariola Klusek-Gawenda, Antoni Szczurek, Mateusz Dyndal and Matthias Schott
The sensitivity to BSM in di-taon production at the LHC
Submission to SciPost, XXVIII International Workshop on Deep-Inelastic Scattering and Related Subjects, 12-16 April 2021, presented by Mariola Klusek-Gawenda
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We discuss the sensitivity of the $\gamma\gamma \to \tau^+\tau^-$ process in ultraperipheral Pb+Pb collisions at LHC energies on the anomalous magnetic moment of $\tau$ lepton ($a_\tau$). We derive the corresponding cross sections considering semi-leptonic decays of both leptons in the fiducial volume of ATLAS and CM...
[ { "created": "Wed, 28 Jul 2021 11:15:39 GMT", "version": "v1" }, { "created": "Fri, 30 Jul 2021 11:11:34 GMT", "version": "v2" } ]
2021-08-02
[ [ "Klusek-Gawenda", "Mariola", "" ], [ "Szczurek", "Antoni", "" ], [ "Dyndal", "Mateusz", "" ], [ "Schott", "Matthias", "" ] ]
We discuss the sensitivity of the $\gamma\gamma \to \tau^+\tau^-$ process in ultraperipheral Pb+Pb collisions at LHC energies on the anomalous magnetic moment of $\tau$ lepton ($a_\tau$). We derive the corresponding cross sections considering semi-leptonic decays of both leptons in the fiducial volume of ATLAS and CMS ...
2005.09293
Oleksii Gryniuk
Oleksii Gryniuk, Sylvester Joosten, Zein-Eddine Meziani, Marc Vanderhaeghen
$\Upsilon$ photo-production on the proton at the Electron-Ion Collider
null
Phys. Rev. D 102, 014016 (2020)
10.1103/PhysRevD.102.014016
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a dispersive analysis with the aim to extract the $\Upsilon$-p scattering length from $\gamma p \to \Upsilon p$ experiments. In this framework, the imaginary part of the $\Upsilon$-p forward scattering amplitude is obtained from $\gamma p \to \Upsilon p$ cross section measurements, and is constrained at hi...
[ { "created": "Tue, 19 May 2020 08:56:35 GMT", "version": "v1" }, { "created": "Tue, 30 Jun 2020 17:48:01 GMT", "version": "v2" } ]
2020-07-22
[ [ "Gryniuk", "Oleksii", "" ], [ "Joosten", "Sylvester", "" ], [ "Meziani", "Zein-Eddine", "" ], [ "Vanderhaeghen", "Marc", "" ] ]
We present a dispersive analysis with the aim to extract the $\Upsilon$-p scattering length from $\gamma p \to \Upsilon p$ experiments. In this framework, the imaginary part of the $\Upsilon$-p forward scattering amplitude is obtained from $\gamma p \to \Upsilon p$ cross section measurements, and is constrained at high...
hep-ph/0010101
Ralf Rapp
R. Rapp
Signatures of Thermal Dilepton Radiation at RHIC
17 pages ReVTeX including 16 figures
Phys.Rev. C63 (2001) 054907
10.1103/PhysRevC.63.054907
SUNY-NTG-00-41
hep-ph nucl-th
null
The properties of thermal dilepton production from heavy-ion collisions in the RHIC energy regime are evaluated for invariant masses ranging from 0.5 to 3 GeV. Using an expanding thermal fireball to model the evolution through both quark-gluon and hadronic phases various features of the spectra are addressed. In the ...
[ { "created": "Tue, 10 Oct 2000 19:54:34 GMT", "version": "v1" } ]
2009-10-31
[ [ "Rapp", "R.", "" ] ]
The properties of thermal dilepton production from heavy-ion collisions in the RHIC energy regime are evaluated for invariant masses ranging from 0.5 to 3 GeV. Using an expanding thermal fireball to model the evolution through both quark-gluon and hadronic phases various features of the spectra are addressed. In the lo...
hep-ph/9303305
Andreas Kronfeld
Andreas S, Kronfeld and Paul B. Mackenzie
Progress in QCD Using Lattice Gauge Theory
41 pages LaTeX, FERMILAB-PUB-93/058-T. Figures and style file are uuencoded and appended. Figures embedded with epsf.sty, available from the server
Ann.Rev.Nucl.Part.Sci.43:793-828,1993
10.1146/annurev.ns.43.120193.004045
null
hep-ph hep-lat
null
Review of results from lattice QCD of relevance to standard-model phenomenology, to appear in Annual Review of Nuclear and Particle Science. KEY WORDS: hadron masses, quark mixing (CKM) matrix, weak matrix elements, strong coupling constant.
[ { "created": "Thu, 25 Mar 1993 15:57:51 GMT", "version": "v1" } ]
2010-11-01
[ [ "S", "Andreas", "" ], [ "Kronfeld", "", "" ], [ "Mackenzie", "Paul B.", "" ] ]
Review of results from lattice QCD of relevance to standard-model phenomenology, to appear in Annual Review of Nuclear and Particle Science. KEY WORDS: hadron masses, quark mixing (CKM) matrix, weak matrix elements, strong coupling constant.
1808.01233
Filip Ficek
Filip Ficek, Dmitry Budker
Constraining exotic interactions
16 pages, 3 figures
null
10.1002/andp.201800273
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Beyond-the-standard-model interactions mediated by an exchange of virtual "new" bosons result in a finite set of possible effective interaction potentials between standard-model particles such as electrons and nucleons. We discuss the classification of such potentials and briefly review recent experiments searching f...
[ { "created": "Fri, 3 Aug 2018 15:44:22 GMT", "version": "v1" } ]
2019-05-22
[ [ "Ficek", "Filip", "" ], [ "Budker", "Dmitry", "" ] ]
Beyond-the-standard-model interactions mediated by an exchange of virtual "new" bosons result in a finite set of possible effective interaction potentials between standard-model particles such as electrons and nucleons. We discuss the classification of such potentials and briefly review recent experiments searching for...
hep-ph/9411413
Binetruy
P. Binetruy, E. Dudas
Fermion mass hierarchies in low energy supergravity and superstring models
28 pages, Latex
Nucl.Phys.B442:21-46,1995
10.1016/S0550-3213(95)00069-0
LPTHE Orsay 94/73, SPhT Saclay T94/145
hep-ph
null
We investigate the problem of the fermion mass hierarchy in supergravity models with flat directions of the scalar potential associated with some gauge singlet moduli fields. The low-energy Yukawa couplings are nontrivial homogeneous functions of the moduli and a geometric constraint between them plays, in a large cl...
[ { "created": "Mon, 28 Nov 1994 20:55:58 GMT", "version": "v1" } ]
2009-12-15
[ [ "Binetruy", "P.", "" ], [ "Dudas", "E.", "" ] ]
We investigate the problem of the fermion mass hierarchy in supergravity models with flat directions of the scalar potential associated with some gauge singlet moduli fields. The low-energy Yukawa couplings are nontrivial homogeneous functions of the moduli and a geometric constraint between them plays, in a large clas...
hep-ph/9212309
Dam Thanh Son
V.A.Rubakov, D.T.Son and P.G.Tinyakov
An Example of Semiclassical Instanton-Like Scattering: (1+1) Dimensional Sigma Model
28 pages, LaTeX preprint TPI-MINN-92/66-T
Nucl.Phys. B404 (1993) 65-90
10.1016/0550-3213(93)90473-3
null
hep-ph
null
A solution to the classical field equations in the massless (1+1)-dimensional O(3) sigma model is found, which describes a multi-particle instanton-like transition at high energy. In the limit of small number of initial particles, the number of final particles is shown to be also small, and the probability of the tra...
[ { "created": "Mon, 21 Dec 1992 10:32:09 GMT", "version": "v1" } ]
2007-05-23
[ [ "Rubakov", "V. A.", "" ], [ "Son", "D. T.", "" ], [ "Tinyakov", "P. G.", "" ] ]
A solution to the classical field equations in the massless (1+1)-dimensional O(3) sigma model is found, which describes a multi-particle instanton-like transition at high energy. In the limit of small number of initial particles, the number of final particles is shown to be also small, and the probability of the trans...
hep-ph/0201076
D'Alesio Umberto
M. Anselmino (1), D. Boer (2), U. D'Alesio (3), F. Murgia (3) ((1) University and INFN, Torino, Italy, (2) Vrije Universiteit, Amsterdam, The Netherlands, (3) University and INFN, Cagliari, Italy)
Transverse Lambda polarization in inclusive processes
LaTeX, 8 pages, 2 eps figures, uses epsfig.sty; v2: some sentences rephrased and few comments added to clarify the text; a few references added. Talk delivered by U. D'Alesio at the 3rd Circum-Pan-Pacific Symposium on ``High Energy Spin Physics'', Beijing, China, October 8-13, 2001
Int.J.Mod.Phys. A18 (2003) 1237-1246
10.1142/S0217751X03014563
null
hep-ph
null
A formalism proposed to study transverse Lambda polarization in unpolarized hadronic processes, based on a generalized pQCD factorization theorem, is extended to semi-inclusive DIS. Analytical expressions and examples of numerical estimates are given.
[ { "created": "Thu, 10 Jan 2002 16:56:04 GMT", "version": "v1" }, { "created": "Fri, 15 Feb 2002 18:51:23 GMT", "version": "v2" } ]
2009-11-07
[ [ "Anselmino", "M.", "" ], [ "Boer", "D.", "" ], [ "D'Alesio", "U.", "" ], [ "Murgia", "F.", "" ] ]
A formalism proposed to study transverse Lambda polarization in unpolarized hadronic processes, based on a generalized pQCD factorization theorem, is extended to semi-inclusive DIS. Analytical expressions and examples of numerical estimates are given.
1501.02924
Alexey Nefediev
V. Baru, E. Epelbaum, A.A. Filin, Feng-Kun Guo, H.-W. Hammer, C. Hanhart, Ulf-G. Mei{\ss}ner, A.V. Nefediev
Remarks on the study of the X(3872) from Effective Field Theory with Pion-Exchange Interaction
LaTeX2e, 7 pages, 2 figures, to appear in Phys.Rev.D
Phys.Rev.D91:034002,2015
10.1103/PhysRevD.91.034002
null
hep-ph hep-ex hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In a recent paper Phys.Rev.Lett. 111, 042002 (2013) (arXiv:1304.0846), the charmonium state X(3872) is studied in the framework of an effective field theory. In that work it is claimed that (i) the one-pion exchange (OPE) alone provides sufficient binding to produce the X as a shallow bound state at the $D^0\bar{D}^{...
[ { "created": "Tue, 13 Jan 2015 09:22:06 GMT", "version": "v1" } ]
2015-02-03
[ [ "Baru", "V.", "" ], [ "Epelbaum", "E.", "" ], [ "Filin", "A. A.", "" ], [ "Guo", "Feng-Kun", "" ], [ "Hammer", "H. -W.", "" ], [ "Hanhart", "C.", "" ], [ "Meißner", "Ulf-G.", "" ], [ "Nefediev", ...
In a recent paper Phys.Rev.Lett. 111, 042002 (2013) (arXiv:1304.0846), the charmonium state X(3872) is studied in the framework of an effective field theory. In that work it is claimed that (i) the one-pion exchange (OPE) alone provides sufficient binding to produce the X as a shallow bound state at the $D^0\bar{D}^{*0...
1111.4488
Alejandro de la Puente
Alejandro de la Puente
The Forward-Backward Top Asymmetry in a Singlet extension of the MSSM
18 pages, 5 figures
null
10.1007/JHEP02(2012)016
FERMILAB-PUB-11-614-T
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The CDF and D0 collaborations have recently reported a large forward-backward asymmetry in the ttbar system which deviates from the next to-leading order QCD standard model prediction. We study the asymmetry in the ttbar system within the framework of singlet extensions of the Minimal Supersymmetric Standard Model. F...
[ { "created": "Fri, 18 Nov 2011 21:08:31 GMT", "version": "v1" } ]
2015-06-03
[ [ "de la Puente", "Alejandro", "" ] ]
The CDF and D0 collaborations have recently reported a large forward-backward asymmetry in the ttbar system which deviates from the next to-leading order QCD standard model prediction. We study the asymmetry in the ttbar system within the framework of singlet extensions of the Minimal Supersymmetric Standard Model. For...
hep-ph/0609111
Andrei Leonidov
I.M. Dremin, A.V. Leonidov
Soft-Hard Decomposition in QCD Jet Physics
null
null
null
null
hep-ph nucl-th
null
The paper generalizes the results on soft - hard decomposition of the characteristics of QCD jets obtained in [1] by taking into account the effects of fermions and running coupling constant.
[ { "created": "Tue, 12 Sep 2006 08:51:18 GMT", "version": "v1" } ]
2007-05-23
[ [ "Dremin", "I. M.", "" ], [ "Leonidov", "A. V.", "" ] ]
The paper generalizes the results on soft - hard decomposition of the characteristics of QCD jets obtained in [1] by taking into account the effects of fermions and running coupling constant.
2204.01136
A. V. Luchinsky
A. V. Luchinsky
Multiple Charged Meson Production in Exclusive $B_{c}$ Decays: $K+4\pi,$$KK+3\pi$, $7\pi$ Cases
Minor changes: reference to 5pi experimental data corrected
null
10.1016/j.physletb.2022.137269
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
Theoretical analysis of three exclusive decays, $B_{c}\to J/\psi+\mathcal{R},$where $\mathcal{R}=K+4\pi,$$KK+3\pi$, or $7\pi$, is given. Using the factorization method and the resonance approximation (methods proved to be very useful in the analysis of some other similar decays), we have obtained analytical expressio...
[ { "created": "Sun, 3 Apr 2022 19:12:48 GMT", "version": "v1" }, { "created": "Tue, 5 Apr 2022 14:19:23 GMT", "version": "v2" }, { "created": "Tue, 3 May 2022 14:35:56 GMT", "version": "v3" } ]
2022-07-06
[ [ "Luchinsky", "A. V.", "" ] ]
Theoretical analysis of three exclusive decays, $B_{c}\to J/\psi+\mathcal{R},$where $\mathcal{R}=K+4\pi,$$KK+3\pi$, or $7\pi$, is given. Using the factorization method and the resonance approximation (methods proved to be very useful in the analysis of some other similar decays), we have obtained analytical expressions...
2304.12892
Sven Heinemeyer
S. Heinemeyer, F. von der Pahlen
Automated choice of the best renormalization scheme
9 pages, 1 figure; talk given at the Loops & Legs 2022, April 2022, Kloster Ettal, Germany; based on arXiv:2302.12187
PoS LL2022 (2022) 077
null
IFT-UAM/CSIC-22-076
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
High-precision predictions in BSM models require calculations at the loop-level and thus a renormalization of (some of) the BSM parameter. Here many choices for the renormalization scheme (RS) are possible. A given RS can be well suited to yield ``stable'' and ``well behaved'' higher-order corrections in one part of ...
[ { "created": "Tue, 25 Apr 2023 15:04:03 GMT", "version": "v1" } ]
2023-04-26
[ [ "Heinemeyer", "S.", "" ], [ "von der Pahlen", "F.", "" ] ]
High-precision predictions in BSM models require calculations at the loop-level and thus a renormalization of (some of) the BSM parameter. Here many choices for the renormalization scheme (RS) are possible. A given RS can be well suited to yield ``stable'' and ``well behaved'' higher-order corrections in one part of th...
1411.6799
Carla Biggio
Carla Biggio and Marzia Bordone
Minimal muon anomalous magnetic moment
15 pages, uses axodraw
null
10.1007/JHEP02(2015)099
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We classify all possible one-particle (scalar and fermion) extensions of the Standard Model that can contribute to the anomalous magnetic moment of leptons. We review the cases already discussed in the literature and complete the picture by performing the calculation for a fermionic doublet with hypercharge -3/2. We ...
[ { "created": "Tue, 25 Nov 2014 10:35:04 GMT", "version": "v1" } ]
2015-06-23
[ [ "Biggio", "Carla", "" ], [ "Bordone", "Marzia", "" ] ]
We classify all possible one-particle (scalar and fermion) extensions of the Standard Model that can contribute to the anomalous magnetic moment of leptons. We review the cases already discussed in the literature and complete the picture by performing the calculation for a fermionic doublet with hypercharge -3/2. We co...