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hep-ph/0308176
Kingman Cheung
Kingman Cheung (Nat. Tsing Hua Univ.)
Pentaquark Theta+, constituent quark structures, and prediction of charmed Theta(c)^0 and bottomed Theta(b)^+
Revtex 4, 7 pages, the published version, one reference is corrected
Phys.Rev.D69:094029,2004
10.1103/PhysRevD.69.094029
null
hep-ph
null
The newly observed $\Theta^+$ resonance is believed to be a pentaquark with the constituent quarks $uudd\bar s$. There are a few options for the constituent quark structure. Some advocate diquark-diquark-antiquark $(ud)$-$(ud)$-$\bar s$ while others favor diquark-triquark $(ud)$-$(ud\bar s)$. We use the color-spin hy...
[ { "created": "Mon, 18 Aug 2003 11:55:02 GMT", "version": "v1" }, { "created": "Fri, 22 Aug 2003 08:11:34 GMT", "version": "v2" }, { "created": "Tue, 24 Feb 2004 07:54:52 GMT", "version": "v3" }, { "created": "Mon, 5 Apr 2004 03:02:09 GMT", "version": "v4" } ]
2011-01-27
[ [ "Cheung", "Kingman", "", "Nat. Tsing Hua Univ." ] ]
The newly observed $\Theta^+$ resonance is believed to be a pentaquark with the constituent quarks $uudd\bar s$. There are a few options for the constituent quark structure. Some advocate diquark-diquark-antiquark $(ud)$-$(ud)$-$\bar s$ while others favor diquark-triquark $(ud)$-$(ud\bar s)$. We use the color-spin hype...
hep-ph/9805247
Helmut Satz
M. Nardi and H. Satz
String Clustering and J/Psi Suppression in Nuclear Collisions
9 pages, latex, three figures (included)
Phys.Lett.B442:14-19,1998
10.1016/S0370-2693(98)01234-9
BI-TP 98/10
hep-ph
null
We study the clustering of colour strings in the transverse plane of nucleus-nucleus collisions and argue that deconfinement sets in when the string density within a cluster reaches a critical value. We show that this implies a minimal cluster size at the onset of deconfinement, which in turn results in discontinuous...
[ { "created": "Thu, 7 May 1998 10:48:38 GMT", "version": "v1" } ]
2011-07-19
[ [ "Nardi", "M.", "" ], [ "Satz", "H.", "" ] ]
We study the clustering of colour strings in the transverse plane of nucleus-nucleus collisions and argue that deconfinement sets in when the string density within a cluster reaches a critical value. We show that this implies a minimal cluster size at the onset of deconfinement, which in turn results in discontinuous b...
hep-ph/0112271
Fedor Simkovic
Fedor Simkovic, Amand Faessler, Sergey Kovalenko, Ivan Schmidt
The (muon^-,muon^+) conversion in nuclei as a probe of new physics
23 pages, RevTex, 3 Postscript figures
Phys.Rev. D66 (2002) 033005
10.1103/PhysRevD.66.033005
null
hep-ph
null
A detailed study of the muonic analogue of neutrinoless double beta decay, (muon^-,muon^+) conversion, has been carried out for the A=44 nuclear system. We studied several lepton number violating (LNV) mechanisms potentially triggering this process: exchange by light and heavy Majorana neutrinos as well as exchange b...
[ { "created": "Thu, 20 Dec 2001 10:54:43 GMT", "version": "v1" } ]
2009-11-07
[ [ "Simkovic", "Fedor", "" ], [ "Faessler", "Amand", "" ], [ "Kovalenko", "Sergey", "" ], [ "Schmidt", "Ivan", "" ] ]
A detailed study of the muonic analogue of neutrinoless double beta decay, (muon^-,muon^+) conversion, has been carried out for the A=44 nuclear system. We studied several lepton number violating (LNV) mechanisms potentially triggering this process: exchange by light and heavy Majorana neutrinos as well as exchange by ...
1804.04996
Najmul Haque
Najmul Haque
Quark mass dependent collective excitations and quark number susceptibilities within the hard thermal loop approximation
14 pages, 8 figures, v2, published in PRD
Phys. Rev. D 98, 014013 (2018)
10.1103/PhysRevD.98.014013
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate all those QCD $N$-point functions which are relevant for a three-loop QCD thermodynamics calculation with finite quark masses within the hard the thermal loop approximation. Using the effective quark propagator, we also calculate second order quark and baryon number susceptibilities within the hard therm...
[ { "created": "Fri, 13 Apr 2018 15:37:11 GMT", "version": "v1" }, { "created": "Fri, 13 Jul 2018 17:53:34 GMT", "version": "v2" } ]
2018-07-16
[ [ "Haque", "Najmul", "" ] ]
We calculate all those QCD $N$-point functions which are relevant for a three-loop QCD thermodynamics calculation with finite quark masses within the hard the thermal loop approximation. Using the effective quark propagator, we also calculate second order quark and baryon number susceptibilities within the hard thermal...
hep-ph/0207281
Bilenky Samoil
S.M. Bilenky and J.A. Grifols
(beta beta)_{0 nu}-decay: a possible test of the nuclear matrix element calculations
null
null
null
null
hep-ph
null
The existing calculations of the nuclear matrix elements of the neutrinoless double beta-decay differ by about a factor three. This uncertainty prevents quantative interpretation of the results of experiments searching for this process. We suggest here that the observation of the neutrinoless double beta-decay of sev...
[ { "created": "Tue, 23 Jul 2002 13:26:41 GMT", "version": "v1" }, { "created": "Wed, 31 Jul 2002 10:03:22 GMT", "version": "v2" } ]
2007-05-23
[ [ "Bilenky", "S. M.", "" ], [ "Grifols", "J. A.", "" ] ]
The existing calculations of the nuclear matrix elements of the neutrinoless double beta-decay differ by about a factor three. This uncertainty prevents quantative interpretation of the results of experiments searching for this process. We suggest here that the observation of the neutrinoless double beta-decay of sever...
2108.11404
Benjamin Fuks
Christoph Borschensky, Benjamin Fuks, Anna Kulesza and Daniel Schwartl\"ander
Scalar leptoquark pair production at the LHC: precision predictions in the era of flavour anomalies
33 pages, 7 figures, numerical codes available from https://www.uni-muenster.de/Physik.TP/research/kulesza/leptoquarks.html
JHEP 02 (2022) 157
10.1007/JHEP02(2022)157
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton $t$-channel exchange diagrams that are potentially relevant in the context of leptoquark scenarios providing an explanation for the flavour anomalies. We also evaluate ...
[ { "created": "Wed, 25 Aug 2021 18:01:26 GMT", "version": "v1" }, { "created": "Fri, 18 Feb 2022 17:17:07 GMT", "version": "v2" } ]
2022-02-21
[ [ "Borschensky", "Christoph", "" ], [ "Fuks", "Benjamin", "" ], [ "Kulesza", "Anna", "" ], [ "Schwartländer", "Daniel", "" ] ]
We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton $t$-channel exchange diagrams that are potentially relevant in the context of leptoquark scenarios providing an explanation for the flavour anomalies. We also evaluate th...
hep-ph/0309207
Leif Lonnblad
A.V. Lipatov, L. Lonnblad, N.P. Zotov
Study of the Linked Dipole Chain Model in heavy quark production at the Tevatron
16 pages
JHEP 0401:010,2004
10.1088/1126-6708/2004/01/010
null
hep-ph
null
We present calculations of charm and beauty production at Tevatron within the framework of kT-factorization, using the unintegrated gluon distributions as obtained from the Linked Dipole Chain model. The analysis covers transverse momentum and rapidity distributions and the azimuthal correlations between b and bbar q...
[ { "created": "Wed, 17 Sep 2003 19:03:49 GMT", "version": "v1" } ]
2011-01-25
[ [ "Lipatov", "A. V.", "" ], [ "Lonnblad", "L.", "" ], [ "Zotov", "N. P.", "" ] ]
We present calculations of charm and beauty production at Tevatron within the framework of kT-factorization, using the unintegrated gluon distributions as obtained from the Linked Dipole Chain model. The analysis covers transverse momentum and rapidity distributions and the azimuthal correlations between b and bbar qua...
1905.09833
Adrian Carmona
Aqeel Ahmed, Adrian Carmona, Javier Castellano Ruiz, Yi Chung and Matthias Neubert
Dynamical origin of flavor hierarchies in a warped extra dimension
38 pages, 13 figures; v2: corrected calculation of the oblique parameters, figure 7 and table 1 changed, matches version accepted for publication in JHEP
null
10.1007/JHEP08(2019)045
MITP/19-020
hep-ph
http://creativecommons.org/licenses/by-sa/4.0/
Extensions of the Standard Model featuring a warped extra dimension compactified on an $S^1/\mathbb{Z}_2$ orbifold, in which the fermions and gauge bosons live in the bulk of the fifth dimension, offer one of the most compelling mechanisms for addressing both the hierarchy problem and the flavor puzzle of the Standar...
[ { "created": "Thu, 23 May 2019 18:00:01 GMT", "version": "v1" }, { "created": "Wed, 7 Aug 2019 13:10:13 GMT", "version": "v2" } ]
2019-09-04
[ [ "Ahmed", "Aqeel", "" ], [ "Carmona", "Adrian", "" ], [ "Ruiz", "Javier Castellano", "" ], [ "Chung", "Yi", "" ], [ "Neubert", "Matthias", "" ] ]
Extensions of the Standard Model featuring a warped extra dimension compactified on an $S^1/\mathbb{Z}_2$ orbifold, in which the fermions and gauge bosons live in the bulk of the fifth dimension, offer one of the most compelling mechanisms for addressing both the hierarchy problem and the flavor puzzle of the Standard ...
1407.5640
Ricardo Gomes
R. A. Gomes, A. L. G. Gomes, O. L. G. Peres
Constraints on neutrino decay lifetime using long-baseline charged and neutral current data
null
Phys. Lett. B 740 (2015) 345-352
10.1016/j.physletb.2014.12.014
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the status of a scenario involving oscillations and decay for charged and neutral current data from the MINOS and T2K experiments. We first present an analysis of charged current neutrino and anti-neutrino data from MINOS in the framework of oscillation with decay and obtain a best fit for non-zero dec...
[ { "created": "Mon, 21 Jul 2014 20:03:09 GMT", "version": "v1" }, { "created": "Thu, 2 Oct 2014 15:18:52 GMT", "version": "v2" }, { "created": "Thu, 11 Dec 2014 21:33:20 GMT", "version": "v3" } ]
2014-12-23
[ [ "Gomes", "R. A.", "" ], [ "Gomes", "A. L. G.", "" ], [ "Peres", "O. L. G.", "" ] ]
We investigate the status of a scenario involving oscillations and decay for charged and neutral current data from the MINOS and T2K experiments. We first present an analysis of charged current neutrino and anti-neutrino data from MINOS in the framework of oscillation with decay and obtain a best fit for non-zero decay...
hep-ph/0609064
Hyun Min Lee
Hyun Min Lee (DESY)
Gauge Coupling Unification in a 6D SO(10) Orbifold GUT
10 pages, 2 figures, version to appear in Physics Letters B
Phys.Lett.B643:136-140,2006
10.1016/j.physletb.2006.10.030
DESY 06-148
hep-ph hep-th
null
We consider the gauge coupling running in a six-dimensional SO(10) orbifold GUT model. The bulk gauge symmetry is broken down to the standard model gauge group with an extra U(1)_X by orbifold boundary conditions and the extra U(1)_X is further broken through the U(1)_{B-L} breaking with bulk hyper multiplets. We obt...
[ { "created": "Wed, 6 Sep 2006 15:27:00 GMT", "version": "v1" }, { "created": "Fri, 8 Sep 2006 09:13:07 GMT", "version": "v2" }, { "created": "Mon, 6 Nov 2006 19:57:12 GMT", "version": "v3" } ]
2008-11-26
[ [ "Lee", "Hyun Min", "", "DESY" ] ]
We consider the gauge coupling running in a six-dimensional SO(10) orbifold GUT model. The bulk gauge symmetry is broken down to the standard model gauge group with an extra U(1)_X by orbifold boundary conditions and the extra U(1)_X is further broken through the U(1)_{B-L} breaking with bulk hyper multiplets. We obtai...
hep-ph/9505418
null
V.Kartvelishvili (University of Manchester, UK), R.Kvatadze (JINR, Dubna, Russia), R.Shanidze (JINR, Dubna, Russia)
On $Z$ and $Z + jet$ Production in Heavy Ion Collisions
8 pages. Send comments to vato@a3.ph.man.ac.uk
Phys.Lett. B356 (1995) 589-594
10.1016/0370-2693(95)00865-I
MC-TH-95/04, Manchester, May 1995
hep-ph
null
Z+jet production in heavy ion collisions at the LHC is proposed as a possible probe of the properties of the dense hadronic matter. It is shown that the accuracy of this measurement with general purpose LHC detectors and under realistic experimental conditions can be high enough. It is argued also that $Z$-boson prod...
[ { "created": "Tue, 30 May 1995 13:38:10 GMT", "version": "v1" } ]
2009-10-28
[ [ "Kartvelishvili", "V.", "", "University of Manchester, UK" ], [ "Kvatadze", "R.", "", "JINR,\n Dubna, Russia" ], [ "Shanidze", "R.", "", "JINR, Dubna, Russia" ] ]
Z+jet production in heavy ion collisions at the LHC is proposed as a possible probe of the properties of the dense hadronic matter. It is shown that the accuracy of this measurement with general purpose LHC detectors and under realistic experimental conditions can be high enough. It is argued also that $Z$-boson produc...
2006.07130
Vincent Mor\'enas
D. Be\v{c}irevi\'c, A. Le Yaouanc, V. Mor\'enas, L. Oliver
Heavy baryon wave functions, Bakamjian-Thomas approach to form factors, and observables in ${\Lambda_b \to \Lambda_c\left({1 \over 2}^\pm \right) \ell \overline{\nu}}$ transitions
62 pages, 30 figures
null
10.1103/PhysRevD.102.094023
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by the calculation of observables in the decays $\Lambda_b \to \Lambda_c\left({1 \over 2}^\pm \right) \ell \overline{\nu}$, as tests of Lepton Flavor Universality, we present a calculation of form factors in the quark model. Our scheme combines a spectroscopic model, providing the internal wave functions, a...
[ { "created": "Fri, 12 Jun 2020 12:38:09 GMT", "version": "v1" } ]
2020-12-30
[ [ "Bečirević", "D.", "" ], [ "Yaouanc", "A. Le", "" ], [ "Morénas", "V.", "" ], [ "Oliver", "L.", "" ] ]
Motivated by the calculation of observables in the decays $\Lambda_b \to \Lambda_c\left({1 \over 2}^\pm \right) \ell \overline{\nu}$, as tests of Lepton Flavor Universality, we present a calculation of form factors in the quark model. Our scheme combines a spectroscopic model, providing the internal wave functions, and...
1306.3948
Sergey Afonin
S. S. Afonin and I. V. Pusenkov
The quark masses and meson spectrum: A holographic approach
17 pages, 3 figures, some clarifying remarks are added, to be published in Phys. Lett. B
null
10.1016/j.physletb.2013.08.032
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The spectrum of radially excited unflavored vector mesons is relatively well measured, especially in the heavy-quark sector. This provides a unique opportunity to observe the behavior of the hadron spectrum at fixed quantum numbers as a function of the quark mass. The experimental data suggests the approximately Regg...
[ { "created": "Mon, 17 Jun 2013 18:18:56 GMT", "version": "v1" }, { "created": "Thu, 29 Aug 2013 18:16:52 GMT", "version": "v2" } ]
2013-08-30
[ [ "Afonin", "S. S.", "" ], [ "Pusenkov", "I. V.", "" ] ]
The spectrum of radially excited unflavored vector mesons is relatively well measured, especially in the heavy-quark sector. This provides a unique opportunity to observe the behavior of the hadron spectrum at fixed quantum numbers as a function of the quark mass. The experimental data suggests the approximately Regge ...
hep-ph/0411398
Sergei Popov B.
V.V. Kobychev (1), S.B. Popov (2,3) ((1)Institute for Nuclear Research of Ukrainian NAS; (2)University of Padova, (3)Sternberg Astronomical Institute)
Constraints on the photon charge based on observations of extragalactic sources
12 pages, no figures, accepted to Astronomy Letters
Astron.Lett.31:147-151,2005
10.1134/1.1883345
null
hep-ph astro-ph physics.acc-ph
null
Using modern high-resolution observations of extragalactic compact radio sources we obtain an estimate of the upper bound on a photon electric charge at the level $e_{\gamma} \lesssim 3 \cdot 10^{-33}$ of elementary charge (assuming the photon charge to be energy independent). This is three orders of magnitude better...
[ { "created": "Tue, 30 Nov 2004 11:57:44 GMT", "version": "v1" } ]
2009-06-12
[ [ "Kobychev", "V. V.", "" ], [ "Popov", "S. B.", "" ] ]
Using modern high-resolution observations of extragalactic compact radio sources we obtain an estimate of the upper bound on a photon electric charge at the level $e_{\gamma} \lesssim 3 \cdot 10^{-33}$ of elementary charge (assuming the photon charge to be energy independent). This is three orders of magnitude better t...
hep-ph/0209018
Heinrich Paes
Heinrich P\"as (W\"urzburg)
Neutrino masses and particle physics beyond the standard model
25 pages, 15 figures. Invited review for non-specialists, references added
Annalen Phys. 11 (2002) 551-572
10.1002/1521-3889(200209)11:8<551::AID-ANDP551>3.0.CO;2-W
WUE-ITP-2002-011
hep-ph
null
The evidence for non-vanishing neutrino masses from solar and atmospheric neutrinos provides the first solid hint towards physics beyond the standard model. A full reconstruction of the neutrino spectrum may well provide a key to the theoretical structures underlying the standard model such as supersymmetry, grand un...
[ { "created": "Mon, 2 Sep 2002 17:46:32 GMT", "version": "v1" }, { "created": "Mon, 28 Oct 2002 16:02:31 GMT", "version": "v2" } ]
2017-09-27
[ [ "Päs", "Heinrich", "", "Würzburg" ] ]
The evidence for non-vanishing neutrino masses from solar and atmospheric neutrinos provides the first solid hint towards physics beyond the standard model. A full reconstruction of the neutrino spectrum may well provide a key to the theoretical structures underlying the standard model such as supersymmetry, grand unif...
0809.4811
J. P. Ma
J.P. Ma and H.Z. Sang
Partonic State and Single Transverse Spin Asymmetry in Drell-Yan Process
15 pages, 6 figures
JHEP 0811:090,2008
10.1088/1126-6708/2008/11/090
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Single transverse-spin asymmetries have been studied intensively both in experiment and theory. Theoretically, two factorization approaches have been proposed. One is by using transverse-momentum-dependent factorization and the asymmetry comes from the so called Sivers function. Another is by using collinear factoriz...
[ { "created": "Sun, 28 Sep 2008 01:23:17 GMT", "version": "v1" } ]
2014-11-18
[ [ "Ma", "J. P.", "" ], [ "Sang", "H. Z.", "" ] ]
Single transverse-spin asymmetries have been studied intensively both in experiment and theory. Theoretically, two factorization approaches have been proposed. One is by using transverse-momentum-dependent factorization and the asymmetry comes from the so called Sivers function. Another is by using collinear factorizat...
1704.07772
Aviad Roitgrund
Aviad Roitgrund, Gad Eilam
Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model
28 pages, 7 figures, 2 tables
J. High Energ. Phys. 2021, 31 (2021)
10.1007/JHEP01(2021)031
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The left-right symmetric model may present evidence of new physics at the era of the Large Hadron Collider (LHC). We use its framework to investigate the lepton number violating process $pp \to e^\pm e^\pm jj+X$ at the $\unit[14]{TeV}$ LHC. We show that for an integrated luminosity of $\unit[300]{fb^{-1}}$, the disco...
[ { "created": "Tue, 25 Apr 2017 16:31:02 GMT", "version": "v1" }, { "created": "Tue, 2 May 2017 17:58:18 GMT", "version": "v2" }, { "created": "Mon, 20 Jan 2020 17:37:59 GMT", "version": "v3" }, { "created": "Sat, 31 Oct 2020 17:19:11 GMT", "version": "v4" }, { "cr...
2021-01-12
[ [ "Roitgrund", "Aviad", "" ], [ "Eilam", "Gad", "" ] ]
The left-right symmetric model may present evidence of new physics at the era of the Large Hadron Collider (LHC). We use its framework to investigate the lepton number violating process $pp \to e^\pm e^\pm jj+X$ at the $\unit[14]{TeV}$ LHC. We show that for an integrated luminosity of $\unit[300]{fb^{-1}}$, the discove...
1112.2669
Frans Klinkhamer
F. R. Klinkhamer
Neutrino mass and the Standard Model
6 pages, v7: published version
Mod. Phys. Lett. A 28, 1350010 (2013)
10.1142/S0217732313500107
KA-TP-41-2011
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is pointed out (not for the first time) that the minimal Standard Model, without additional gauge-singlet right-handed neutrinos or isotriplet Higgs fields, allows for nonvanishing neutrino masses and mixing. The required interaction term is nonrenormalizable and violates the global B-L symmetry. The ultimate expl...
[ { "created": "Mon, 12 Dec 2011 19:52:01 GMT", "version": "v1" }, { "created": "Wed, 14 Dec 2011 19:49:46 GMT", "version": "v2" }, { "created": "Mon, 19 Dec 2011 19:47:23 GMT", "version": "v3" }, { "created": "Fri, 6 Jan 2012 18:50:32 GMT", "version": "v4" }, { "cr...
2013-02-01
[ [ "Klinkhamer", "F. R.", "" ] ]
It is pointed out (not for the first time) that the minimal Standard Model, without additional gauge-singlet right-handed neutrinos or isotriplet Higgs fields, allows for nonvanishing neutrino masses and mixing. The required interaction term is nonrenormalizable and violates the global B-L symmetry. The ultimate explan...
1910.02085
Yunjia Bao
Yunjia Bao and Andrew J. Larkoski
Calculating Pull for Non-Singlet Jets
v1: 21 pages (+title page), 6 figures, 1 table, v2: JHEP version, 22 pages (+title page), additional discussion on discrimination power and expected formal accuracy
JHEP 1912 (2019) 035
10.1007/JHEP12(2019)035
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The pull vector is a jet observable sensitive to the distribution of soft radiation controlled by the color flow in a collider event. We present calculations to leading order in the soft and collinear limits for the pull vector measured between pairs of jets that do not form a color-singlet dipole. Our calculations a...
[ { "created": "Fri, 4 Oct 2019 18:00:06 GMT", "version": "v1" }, { "created": "Sat, 7 Dec 2019 09:12:34 GMT", "version": "v2" } ]
2019-12-10
[ [ "Bao", "Yunjia", "" ], [ "Larkoski", "Andrew J.", "" ] ]
The pull vector is a jet observable sensitive to the distribution of soft radiation controlled by the color flow in a collider event. We present calculations to leading order in the soft and collinear limits for the pull vector measured between pairs of jets that do not form a color-singlet dipole. Our calculations are...
2309.04832
G.R. Boroun
G.R.Boroun
The unintegrated gluon distribution from the GBW and BGK models
null
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The gluon distribution is obtained from the Golec-Biernat-W$\ddot{\mathrm{u}}$sthoff (GBW) and Bartels, Golec-Biernat and Kowalski (BGK) models at low $x$. We derive analytical results for the unintegrated color dipole gluon distribution function at small transverse momentum, which provides useful information to cons...
[ { "created": "Sat, 9 Sep 2023 16:11:05 GMT", "version": "v1" }, { "created": "Mon, 18 Sep 2023 14:32:48 GMT", "version": "v2" }, { "created": "Thu, 12 Oct 2023 09:33:18 GMT", "version": "v3" }, { "created": "Thu, 9 Nov 2023 13:55:57 GMT", "version": "v4" } ]
2023-11-10
[ [ "Boroun", "G. R.", "" ] ]
The gluon distribution is obtained from the Golec-Biernat-W$\ddot{\mathrm{u}}$sthoff (GBW) and Bartels, Golec-Biernat and Kowalski (BGK) models at low $x$. We derive analytical results for the unintegrated color dipole gluon distribution function at small transverse momentum, which provides useful information to constr...
hep-ph/0512116
Indranath Bhattacharyya
Indranath Bhattacharyya
Plasma Neutrino Process in Strong Magnetic Field
4 pages no figure Presented at IWTHEP 2007, IIT Roorkee, India
AIP Conf.Proc.939:269-272,2007
10.1063/1.2803814
null
hep-ph
null
The decay of magneto-plasma into neutrino anti-neutrino pair has been studied in the framework of the electro-weak interaction theory. The decay rate is calculated and the expression for the energy-loss rate is obtained in the extreme relativistic case. The neutrino luminosity has also been computed for a neutron sta...
[ { "created": "Fri, 9 Dec 2005 09:16:28 GMT", "version": "v1" }, { "created": "Mon, 14 Aug 2006 17:40:10 GMT", "version": "v2" }, { "created": "Mon, 25 Jun 2007 13:50:30 GMT", "version": "v3" } ]
2011-04-11
[ [ "Bhattacharyya", "Indranath", "" ] ]
The decay of magneto-plasma into neutrino anti-neutrino pair has been studied in the framework of the electro-weak interaction theory. The decay rate is calculated and the expression for the energy-loss rate is obtained in the extreme relativistic case. The neutrino luminosity has also been computed for a neutron star....
2104.02400
Sven-Olaf Moch
S. Alekhin, A. Kardos, S. Moch and Z. Tr\'ocs\'anyi
Precision studies for Drell-Yan processes at NNLO
24 pages LaTeX, 17 figures, (journal version)
null
10.1140/epjc/s10052-021-09361-9
DESY 21-002
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a detailed comparison of the fixed-order predictions computed by four publicly available computer codes for Drell-Yan processes at the LHC and Tevatron colliders. We point out that while there is agreement among the predictions at the next-to-leading order accuracy, the predictions at the next-to-next-to-l...
[ { "created": "Tue, 6 Apr 2021 10:09:26 GMT", "version": "v1" }, { "created": "Wed, 30 Jun 2021 10:34:20 GMT", "version": "v2" } ]
2021-07-21
[ [ "Alekhin", "S.", "" ], [ "Kardos", "A.", "" ], [ "Moch", "S.", "" ], [ "Trócsányi", "Z.", "" ] ]
We present a detailed comparison of the fixed-order predictions computed by four publicly available computer codes for Drell-Yan processes at the LHC and Tevatron colliders. We point out that while there is agreement among the predictions at the next-to-leading order accuracy, the predictions at the next-to-next-to-lea...
0902.2393
Farvah Mahmoudi
A.G. Akeroyd, F. Mahmoudi
Constraints on charged Higgs bosons from D(s)+- -> mu+- nu and D(s)+- -> tau+- nu
18 pages, 4 figures
JHEP 0904:121,2009
10.1088/1126-6708/2009/04/121
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The decays D(s)+- -> mu+- nu and D(s)+- -> tau+- nu have traditionally been used to measure the D(s)+- meson decay constant f_D(s). Recent measurements at CLEO-c and the B factories suggest a branching ratio for both decays somewhat higher than the Standard Model prediction using f_D(s) from unquenched lattice calcul...
[ { "created": "Mon, 16 Feb 2009 11:52:21 GMT", "version": "v1" }, { "created": "Thu, 30 Apr 2009 08:37:37 GMT", "version": "v2" } ]
2010-04-21
[ [ "Akeroyd", "A. G.", "" ], [ "Mahmoudi", "F.", "" ] ]
The decays D(s)+- -> mu+- nu and D(s)+- -> tau+- nu have traditionally been used to measure the D(s)+- meson decay constant f_D(s). Recent measurements at CLEO-c and the B factories suggest a branching ratio for both decays somewhat higher than the Standard Model prediction using f_D(s) from unquenched lattice calculat...
2110.04214
Maxim Dvornikov
Maxim Dvornikov (IZMIRAN)
Gravitational waves generation in turbulent hypermagnetic fields before the electroweak phase transition
17 pages in jcap LaTeX style, 13 eps figures; paper is significantly revised, Secs. 3 and 4 are modified, new Fig. 2 is included, several new references are added; version published in JCAP
JCAP 01 (2022) 021
10.1088/1475-7516/2022/01/021
null
hep-ph astro-ph.CO gr-qc
http://creativecommons.org/licenses/by/4.0/
We study the production of relic gravitational waves (GWs) in turbulent hypermagnetic fields (HMFs) in the symmetric phase of the early universe before the electroweak phase transition (EWPT). The noise of HMFs is modeled by the analog of the magnetic hydrodynamics turbulence. The evolution of HMFs is driven by the a...
[ { "created": "Fri, 8 Oct 2021 15:56:08 GMT", "version": "v1" }, { "created": "Wed, 12 Jan 2022 10:56:15 GMT", "version": "v2" } ]
2022-01-13
[ [ "Dvornikov", "Maxim", "", "IZMIRAN" ] ]
We study the production of relic gravitational waves (GWs) in turbulent hypermagnetic fields (HMFs) in the symmetric phase of the early universe before the electroweak phase transition (EWPT). The noise of HMFs is modeled by the analog of the magnetic hydrodynamics turbulence. The evolution of HMFs is driven by the ana...
1711.02727
Timothy Raben
Richard Nally, Timothy Raben and Chung-I Tan
Holographic Inclusive Central Particle Production at the LHC
Minor formatting changes. 5 pages, 2 figures, Presented at EDS Blois 2017, Prague, Czech Republic, June 26-30,2017
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We describe how the holographic, BPST Pomeron can be used to describe inclusive central production at the LHC.
[ { "created": "Tue, 7 Nov 2017 21:08:15 GMT", "version": "v1" }, { "created": "Wed, 15 Nov 2017 17:46:06 GMT", "version": "v2" } ]
2017-11-16
[ [ "Nally", "Richard", "" ], [ "Raben", "Timothy", "" ], [ "Tan", "Chung-I", "" ] ]
We describe how the holographic, BPST Pomeron can be used to describe inclusive central production at the LHC.
hep-ph/9407369
Marcelo Gleiser
Marcelo Gleiser
Baryogenesis in Brief
11 pages, no figures, RevTeX, DART-HEP-94/03
null
10.1007/3-540-60024-8_127
null
hep-ph astro-ph
null
In this talk I briefly review the main ideas and challenges involved in the computation of the baryon asymmetry of the Universe. (Invited talk given at ``The Birth of the Universe and Fundamental Physics'', Rome, May 18--21, 1994.)
[ { "created": "Mon, 25 Jul 1994 20:27:30 GMT", "version": "v1" } ]
2009-10-28
[ [ "Gleiser", "Marcelo", "" ] ]
In this talk I briefly review the main ideas and challenges involved in the computation of the baryon asymmetry of the Universe. (Invited talk given at ``The Birth of the Universe and Fundamental Physics'', Rome, May 18--21, 1994.)
hep-ph/9710295
Nicolao Fornengo
A. Bottino (1), F. Donato (1), N. Fornengo (1) and S. Scopel (2) ((1) Universita' di Torino and INFN - Sezione di Torino, Italy, (2) Universidad de Zaragoza, Spain)
Extending a previous analysis on a possible modulation effect in WIMP direct search
7 pages, ReVTeX, 7 figures (high resolution figures are available at ftp://ftp.to.infn.it/pub/fornengo/_dftt61_97.uu
null
null
DFTT 61/97
hep-ph astro-ph
null
In this note we present an extension of our previous analysis of some preliminary experimental results of the DAMA/NaI Collaboration which might be indicative of a yearly modulation effect. Here we present a direct way for obtaining from the experimental data the relevant cosmological implications for relic neutralin...
[ { "created": "Thu, 9 Oct 1997 14:05:06 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bottino", "A.", "" ], [ "Donato", "F.", "" ], [ "Fornengo", "N.", "" ], [ "Scopel", "S.", "" ] ]
In this note we present an extension of our previous analysis of some preliminary experimental results of the DAMA/NaI Collaboration which might be indicative of a yearly modulation effect. Here we present a direct way for obtaining from the experimental data the relevant cosmological implications for relic neutralinos...
2307.14734
Adrian Irles
E. Musumeci (1), R. Perez-Ramos (2 and 3), A. Irles (1), I. Corredoira (4), V. A. Mitsou (1), E. Sarkisyan-Grinbaum (5 and 6), M. A. Sanchis-Lozano (1) ((1) IFIC, Universitat de Val\`encia and CSIC, Paterna (Valencia), Spain, (2) DRII-IPSA, Ivry-sur-Seine, France, (3) Laboratoire de Physique Th\'eorique et Haut...
Two-particle angular correlations in the search for new physics at future $e^+e^-$ colliders
Talk presented at the International Workshop on Future Linear Colliders (LCWS 2023), 15-19 May 2023. C23-05-15.3
null
null
IFIC/23-36
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
The analysis of angular particle correlations can yield valuable insights into the initial state of matter in high-energy collisions, thereby potentially revealing the existence of Beyond the Standard Model scenarios such as Hidden Valley (HV). In this study, we focus on a QCD-like hidden sector with relatively massi...
[ { "created": "Thu, 27 Jul 2023 09:42:42 GMT", "version": "v1" } ]
2023-08-23
[ [ "Musumeci", "E.", "", "2 and 3" ], [ "Perez-Ramos", "R.", "", "2 and 3" ], [ "Irles", "A.", "", "5 and 6" ], [ "Corredoira", "I.", "", "5 and 6" ], [ "Mitsou", "V. A.", "", "5 and 6" ], [ "Sarkisyan-Grinbaum", ...
The analysis of angular particle correlations can yield valuable insights into the initial state of matter in high-energy collisions, thereby potentially revealing the existence of Beyond the Standard Model scenarios such as Hidden Valley (HV). In this study, we focus on a QCD-like hidden sector with relatively massive...
1505.05282
Irinel Caprini
I. Caprini
Testing the consistency of the $\omega\pi$ transition form factor with unitarity and analyticity
null
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We perform a dispersive analysis of the $\omega\pi$ electromagnetic transition form factor, using as input the discontinuity provided by unitarity below the $\omega\pi$ threshold and including for the first time experimental data on the modulus measured from $e^+e^-\to\omega\pi^0$ at higher energies. The input leads ...
[ { "created": "Wed, 20 May 2015 08:37:06 GMT", "version": "v1" } ]
2015-05-21
[ [ "Caprini", "I.", "" ] ]
We perform a dispersive analysis of the $\omega\pi$ electromagnetic transition form factor, using as input the discontinuity provided by unitarity below the $\omega\pi$ threshold and including for the first time experimental data on the modulus measured from $e^+e^-\to\omega\pi^0$ at higher energies. The input leads to...
hep-ph/0412128
Ahmed Ali
Ahmed Ali
Review of Heavy Quark Physics - theory
15 pages; Invited Plenary Talk at the 32nd International Conference on High Energy Physics (ICHEP'04), Beijing, China, Aug. 16-22, 2004
Int.J.Mod.Phys.A20:5080-5094,2005
10.1142/S0217751X05028600
DESY 04-236
hep-ph hep-ex
null
Recent progress in the theory of B-meson decays is reviewed with emphasis on the aspects related to the B-factory data.
[ { "created": "Thu, 9 Dec 2004 14:29:49 GMT", "version": "v1" } ]
2014-11-18
[ [ "Ali", "Ahmed", "" ] ]
Recent progress in the theory of B-meson decays is reviewed with emphasis on the aspects related to the B-factory data.
1104.2849
Jose Antonio Oller
Zhi-Hui Guo and J. A. Oller
Resonances from meson-meson scattering in U(3) CHPT
50 pages, 15 figures, 1 table. Enlarged version with more detail comparisons with previous results in the literature. To match with accepted version for publication
Phys.Rev.D84:034005,2011
10.1103/PhysRevD.84.034005
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, the complete one loop calculation of meson-meson scattering amplitudes within U(3)\otimes U(3) chiral perturbation theory with explicit resonance states is carried out for the first time. Partial waves are unitarized from the perturbative calculation employing a non-perturbative approach based on the N/...
[ { "created": "Thu, 14 Apr 2011 18:01:36 GMT", "version": "v1" }, { "created": "Sun, 3 Jul 2011 06:28:16 GMT", "version": "v2" } ]
2015-03-19
[ [ "Guo", "Zhi-Hui", "" ], [ "Oller", "J. A.", "" ] ]
In this work, the complete one loop calculation of meson-meson scattering amplitudes within U(3)\otimes U(3) chiral perturbation theory with explicit resonance states is carried out for the first time. Partial waves are unitarized from the perturbative calculation employing a non-perturbative approach based on the N/D ...
hep-ph/9707531
Ramon Toldra. Ifae
J. A. Grifols, E. Masso, R. Toldra
Contact Interactions Involving Right-handed Neutrinos and SN1987A
7 pages, latex, no figures. Minor corrections to match final version to appear in Phys. Rev. D
Phys.Rev. D57 (1998) 2005-2008
10.1103/PhysRevD.57.2005
UAB-FT-420
hep-ph
null
We consider lepton-quark contact interactions in models with right-handed neutrinos, and find that observational data from SN1987A restricts the scale of such interactions to be at least $\Lambda>90$ TeV.
[ { "created": "Thu, 31 Jul 1997 13:06:18 GMT", "version": "v1" }, { "created": "Wed, 5 Nov 1997 14:45:26 GMT", "version": "v2" } ]
2009-10-30
[ [ "Grifols", "J. A.", "" ], [ "Masso", "E.", "" ], [ "Toldra", "R.", "" ] ]
We consider lepton-quark contact interactions in models with right-handed neutrinos, and find that observational data from SN1987A restricts the scale of such interactions to be at least $\Lambda>90$ TeV.
2208.10017
Amruta Mishra
Sourodeep De, Pallabi Parui and Amruta Mishra
Open bottom mesons in magnetized matter -- effects of (inverse) magnetic catalysis
27 pages, 12 figures, version published in Int.J.Mod.Phys.E 31 (2022) 12, 2250106. arXiv admin note: text overlap with arXiv:2208.05856
null
10.1142/S0218301322501063
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In-medium masses of the pseudoscalar and vector open bottom mesons ($B$, $\bar{B}$, $B_s$ and $B^*$, $\bar{B}^*$, $B_s^*$) are studied in the magnetized nuclear matter by considering the effects of Dirac sea, within the chiral effective model. The mass modifications arise due to the interactions of the open bottom me...
[ { "created": "Mon, 22 Aug 2022 02:05:25 GMT", "version": "v1" }, { "created": "Mon, 24 Oct 2022 17:02:26 GMT", "version": "v2" }, { "created": "Fri, 1 Sep 2023 12:15:56 GMT", "version": "v3" } ]
2023-09-04
[ [ "De", "Sourodeep", "" ], [ "Parui", "Pallabi", "" ], [ "Mishra", "Amruta", "" ] ]
In-medium masses of the pseudoscalar and vector open bottom mesons ($B$, $\bar{B}$, $B_s$ and $B^*$, $\bar{B}^*$, $B_s^*$) are studied in the magnetized nuclear matter by considering the effects of Dirac sea, within the chiral effective model. The mass modifications arise due to the interactions of the open bottom meso...
1804.06813
Fa Peng Huang
Fa Peng Huang, Zhuoni Qian, and Mengchao Zhang
Exploring dynamical CP violation induced baryogenesis by gravitational waves and colliders
Published version in Physical Review D, 30 pages, 7 figures, and 3 tables
Phys. Rev. D 98, 015014 (2018)
10.1103/PhysRevD.98.015014
CTPU-PTC-18-09
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
By assuming a dynamical source of CP violation, the tension between sufficient CP violation for successful electroweak baryogenesis and strong constraints from current electric dipole moment measurements could be alleviated. We study how to explore such scenarios through gravitational wave detection, collider experim...
[ { "created": "Wed, 18 Apr 2018 16:59:25 GMT", "version": "v1" }, { "created": "Tue, 26 Jun 2018 06:33:34 GMT", "version": "v2" }, { "created": "Mon, 9 Jul 2018 23:47:51 GMT", "version": "v3" } ]
2018-07-11
[ [ "Huang", "Fa Peng", "" ], [ "Qian", "Zhuoni", "" ], [ "Zhang", "Mengchao", "" ] ]
By assuming a dynamical source of CP violation, the tension between sufficient CP violation for successful electroweak baryogenesis and strong constraints from current electric dipole moment measurements could be alleviated. We study how to explore such scenarios through gravitational wave detection, collider experimen...
2304.03298
Bruno Scheihing Hitschfeld
Govert Nijs, Bruno Scheihing-Hitschfeld, Xiaojun Yao
Chromoelectric field correlator for quarkonium transport in the strongly coupled $\mathcal{N}=4$ Yang-Mills plasma from AdS/CFT
82 pages, 11 figures
JHEP06(2023)007
10.1007/JHEP06(2023)007
MIT-CTP/5545; IQuS@UW-21-049
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Previous studies have shown that a gauge-invariant correlation function of two chromoelectric fields connected by a straight timelike adjoint Wilson line encodes crucial information about quark-gluon plasma (QGP) that determines the dynamics of small-sized quarkonium in the medium. Motivated by the successes of holog...
[ { "created": "Thu, 6 Apr 2023 18:00:00 GMT", "version": "v1" }, { "created": "Thu, 15 Jun 2023 16:10:56 GMT", "version": "v2" } ]
2023-06-16
[ [ "Nijs", "Govert", "" ], [ "Scheihing-Hitschfeld", "Bruno", "" ], [ "Yao", "Xiaojun", "" ] ]
Previous studies have shown that a gauge-invariant correlation function of two chromoelectric fields connected by a straight timelike adjoint Wilson line encodes crucial information about quark-gluon plasma (QGP) that determines the dynamics of small-sized quarkonium in the medium. Motivated by the successes of hologra...
0904.4369
Erhan Iltan
E. Iltan
Scalar dark matter-Higgs coupling in the case of electroweak symmetry breaking driven by unparticle
12 pages, 4 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/3.0/
We study the possible annihilation cross section of scalar dark matter and its coupling \lambda_D to the standard model Higgs in the case of the electroweak symmetry breaking driven by unparticle. Here the annihilation process occurs with the help of three intermediate scalars which appear after the mixing. By respec...
[ { "created": "Tue, 28 Apr 2009 11:37:16 GMT", "version": "v1" } ]
2009-04-29
[ [ "Iltan", "E.", "" ] ]
We study the possible annihilation cross section of scalar dark matter and its coupling \lambda_D to the standard model Higgs in the case of the electroweak symmetry breaking driven by unparticle. Here the annihilation process occurs with the help of three intermediate scalars which appear after the mixing. By respecti...
hep-ph/9303232
null
Riccardo Guida and Kenichi Konishi
Fermions in Instanton Anti-Instanton Background
36 PAGES, GEF-Th-8/1993
Int.J.Mod.Phys.A9:2613-2644,1994
10.1142/S0217751X94001059
null
hep-ph
null
We consider the behaviour of fermions in the background of instanton-anti\-instanton type configurations. Several different physics problems, from the high energy electroweak interactions to the study of vacuum structure of QCD and of large orders of perturbation theory are related to this problem. The spectrum of th...
[ { "created": "Tue, 9 Mar 1993 13:24:35 GMT", "version": "v1" } ]
2011-07-19
[ [ "Guida", "Riccardo", "" ], [ "Konishi", "Kenichi", "" ] ]
We consider the behaviour of fermions in the background of instanton-anti\-instanton type configurations. Several different physics problems, from the high energy electroweak interactions to the study of vacuum structure of QCD and of large orders of perturbation theory are related to this problem. The spectrum of the ...
1003.2843
Yasuhiko Tsue
Y.Tsue (Kochi Univ., Japan), J. da Providencia (Univ. de Coimbra, Portugal), C.Providencia (Univ. de Coimbra, Portugal), M.Yamamura (Kansai Univ., Japan)
First Order Quark-Hadron Phase Transition in the NJL-Type Nuclear and Quark Model
16 pages, 12 figures, using PTPTeXclass
Prog.Theor.Phys.123:1013-1028,2010
10.1143/PTP.123.1013
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The quark-hadron phase transition at finite baryon chemical potential is investigated in the extended Nambu-Jona-Lasinio model in which the scalar-vector eight-point interaction is included holding the chiral symmetry. By comparing a pressure of the symmetric nuclear matter with that of the quark matter, the realized...
[ { "created": "Mon, 15 Mar 2010 04:29:55 GMT", "version": "v1" } ]
2015-03-13
[ [ "Tsue", "Y.", "", "Kochi Univ., Japan" ], [ "da Providencia", "J.", "", "Univ. de Coimbra,\n Portugal" ], [ "Providencia", "C.", "", "Univ. de Coimbra, Portugal" ], [ "Yamamura", "M.", "", "Kansai\n Univ., Japan" ] ]
The quark-hadron phase transition at finite baryon chemical potential is investigated in the extended Nambu-Jona-Lasinio model in which the scalar-vector eight-point interaction is included holding the chiral symmetry. By comparing a pressure of the symmetric nuclear matter with that of the quark matter, the realized p...
hep-ph/0112113
Jonathan R. Ellis
John Ellis (CERN), Keith Olive, Yudi Santoso (Minnesota)
Calculations of Neutralino-Stop Coannihilation in the CMSSM
45 pages, 7 figures
Astropart.Phys.18:395-432,2003
10.1016/S0927-6505(02)00151-2
CERN-TH/2001-339,UMN-TH-2032/01,TPI-MINN-01/50
hep-ph astro-ph
null
We present detailed calculations of the neutralino-stop coannihilation channels that have the largest impact on the relic neutralino density in the constrained minimal supersymmetric extension of the Standard Model (CMSSM), in which scalar masses m_0, gaugino masses m_1/2 and the trilinear soft supersymmetry-breaking...
[ { "created": "Fri, 7 Dec 2001 16:43:47 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ellis", "John", "", "CERN" ], [ "Olive", "Keith", "", "Minnesota" ], [ "Santoso", "Yudi", "", "Minnesota" ] ]
We present detailed calculations of the neutralino-stop coannihilation channels that have the largest impact on the relic neutralino density in the constrained minimal supersymmetric extension of the Standard Model (CMSSM), in which scalar masses m_0, gaugino masses m_1/2 and the trilinear soft supersymmetry-breaking p...
1411.1574
Carlos Pe\~na
C. Pe\~na and L. Jacak
A braid model for the particle X(3872)
10 pages, 4 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Model of Quark Exchange (MQE) describes the particle X(3872) as a meson molecule. We asked whether braids influence the meson potential in the MQE. We used the Burau representation that parameterized braids with a variable $t$. The present result shows that $t$ rescales the coupling of the meson potential determi...
[ { "created": "Thu, 6 Nov 2014 11:37:12 GMT", "version": "v1" }, { "created": "Mon, 10 Nov 2014 09:54:02 GMT", "version": "v2" } ]
2014-11-11
[ [ "Peña", "C.", "" ], [ "Jacak", "L.", "" ] ]
The Model of Quark Exchange (MQE) describes the particle X(3872) as a meson molecule. We asked whether braids influence the meson potential in the MQE. We used the Burau representation that parameterized braids with a variable $t$. The present result shows that $t$ rescales the coupling of the meson potential determini...
1712.00327
Laura Tolos
J. Nieves, R. Pavao and L. Tolos
$\Omega_c$ excited states within a ${\rm SU(6)}_{\rm lsf}\times$HQSS model
11 pages, 3 figures, 6 tables, published in The European Physical Journal C
Eur. Phys. J. C (2018) 78:114
10.1140/epjc/s10052-018-5597-3
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We have reviewed the renormalization procedure used in the unitarized coupled-channel model of Phys. Rev. D85 114032 (2012), and its impact in the $C=1$, $S=-2$, and $I=0$ sector, where five $\Omega_c^{(*)}$ states have been recently observed by the LHCb Collaboration. The meson-baryon interactions used in the model ...
[ { "created": "Fri, 1 Dec 2017 14:15:09 GMT", "version": "v1" }, { "created": "Mon, 12 Mar 2018 07:26:04 GMT", "version": "v2" } ]
2018-03-13
[ [ "Nieves", "J.", "" ], [ "Pavao", "R.", "" ], [ "Tolos", "L.", "" ] ]
We have reviewed the renormalization procedure used in the unitarized coupled-channel model of Phys. Rev. D85 114032 (2012), and its impact in the $C=1$, $S=-2$, and $I=0$ sector, where five $\Omega_c^{(*)}$ states have been recently observed by the LHCb Collaboration. The meson-baryon interactions used in the model ar...
hep-ph/9308343
null
Fawzi Boudjema
Tests on the Hierarchy of Trilinear and Quadrilinear Weak Bosons Couplings at the NLC and Comparison with the LHC/SSC
ENSLAPP-A-431/93, 20 pages, plus 1 figure available upon request as .ps file or fax
null
null
null
hep-ph
null
I first review a few basic guiding principles that lead to the notion of a hierarchy of couplings in searches of New Physics involving weak bosons processes. The hierarchies within a linear and a non-linear realization of symmetry breaking are compared to the usual {\em phenomenological} parameterization of the $WWV$...
[ { "created": "Thu, 26 Aug 1993 17:06:49 GMT", "version": "v1" } ]
2007-05-23
[ [ "Boudjema", "Fawzi", "" ] ]
I first review a few basic guiding principles that lead to the notion of a hierarchy of couplings in searches of New Physics involving weak bosons processes. The hierarchies within a linear and a non-linear realization of symmetry breaking are compared to the usual {\em phenomenological} parameterization of the $WWV$ v...
hep-ph/9701306
Joe Sato
Joe Sato
CP and T violation test in neutrino oscillation
10 pages,1 ps figure, LaTeX. Talk given at Fourth KEK Topical Conference on Flavor Physics, 29-31 October 1996. To be published in Nucl. Phys. B (Proc. Suppl.)
Nucl.Phys.Proc.Suppl. 59 (1997) 262-266
10.1016/S0920-5632(97)00450-7
ICRR-Report-380-97-3
hep-ph
null
I examine how large violation of CP and T is allowed in long base line neutrino experiments. When we attribute both the atmospheric neutrino anomaly and the solar neutrino deficit to neutrino oscillation we may have a sizable T violation effect proportional to the ratio of two mass differences; it is difficult to see...
[ { "created": "Thu, 16 Jan 1997 11:39:15 GMT", "version": "v1" } ]
2009-10-30
[ [ "Sato", "Joe", "" ] ]
I examine how large violation of CP and T is allowed in long base line neutrino experiments. When we attribute both the atmospheric neutrino anomaly and the solar neutrino deficit to neutrino oscillation we may have a sizable T violation effect proportional to the ratio of two mass differences; it is difficult to see C...
hep-ph/9805280
Christina Ingegerd Helminen
C. Helminen and D. O. Riska
The $\pi-$Gluon Exchange Interaction Between Constituent Quarks
LaTeX, 17 pages, 5 Postscript figures
Phys.Rev. C58 (1998) 2928-2938
10.1103/PhysRevC.58.2928
null
hep-ph
null
The interaction mediated by irreducible pion and gluon exchange between constituent quarks is calculated and shown to have a strong tensor component, which tends to cancel the pion exchange tensor interaction between quarks. Its spin-spin component is somewhat weaker than the pion exchange spin-spin interaction, whil...
[ { "created": "Mon, 11 May 1998 12:29:07 GMT", "version": "v1" } ]
2009-10-31
[ [ "Helminen", "C.", "" ], [ "Riska", "D. O.", "" ] ]
The interaction mediated by irreducible pion and gluon exchange between constituent quarks is calculated and shown to have a strong tensor component, which tends to cancel the pion exchange tensor interaction between quarks. Its spin-spin component is somewhat weaker than the pion exchange spin-spin interaction, while ...
2111.05470
Salvador Urrea
Salvador Urrea
Non-unitarity and sterile neutrinos at the DUNE near detector
Proceeding for parallel talk in EPS2021. Based on arXiv:2105.11466, done in collaboration with Pilar Coloma, Jacobo L\'opez-Pav\'on and Salvador Rosauro-Alcaraz. 6 pages, 3 figures
null
10.1088/1742-6596/2156/1/012224
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We study the capabilities of the DUNE near detector to probe the 3+1 sterile formalism and the non-unitarity of the leptonic sector. We add to the current analyses in the literature, the use of the charged current events for the $\nu_{\tau}$ appearance channel and the consideration of the energy spectral uncertainty ...
[ { "created": "Wed, 10 Nov 2021 00:54:00 GMT", "version": "v1" } ]
2022-03-02
[ [ "Urrea", "Salvador", "" ] ]
We study the capabilities of the DUNE near detector to probe the 3+1 sterile formalism and the non-unitarity of the leptonic sector. We add to the current analyses in the literature, the use of the charged current events for the $\nu_{\tau}$ appearance channel and the consideration of the energy spectral uncertainty (s...
hep-ph/9808447
Matthew J. Strassler
K.S. Babu (1 and 2) and M.J. Strassler (1) ((1) Inst. for Adv. Study, (2) Oklahoma State U.)
A Reexamination of Proton Decay in Supersymmetric Grand Unified Theories
10 pages, 3 figures, uses revtex
null
null
IASSNS-HEP-98/74, OSU-HEP-98-5
hep-ph
null
We reconsider dimension-five proton decay operators, making semi-quantitative remarks which apply to a large class of supersymmetric GUTs in which the short-distance operators are correlated with the fermion Yukawa couplings. In these GUTs, which include minimal SU(5), the operators $(u^cd_i^c)^\dagger(d_j\nu_\tau)$,...
[ { "created": "Thu, 27 Aug 1998 23:59:45 GMT", "version": "v1" } ]
2007-05-23
[ [ "Babu", "K. S.", "", "1 and 2" ], [ "Strassler", "M. J.", "" ] ]
We reconsider dimension-five proton decay operators, making semi-quantitative remarks which apply to a large class of supersymmetric GUTs in which the short-distance operators are correlated with the fermion Yukawa couplings. In these GUTs, which include minimal SU(5), the operators $(u^cd_i^c)^\dagger(d_j\nu_\tau)$, i...
1105.4545
Jean-Philippe Lansberg
Z. Conesa del Valle, G. Corcella, F. Fleuret, E.G. Ferreiro, V. Kartvelishvili, B.Z. Kopeliovich, J.P. Lansberg, C. Louren\c{c}o, G. Martinez, V. Papadimitriou, H. Satz, E. Scomparin, T. Ullrich, O. Teryaev, R. Vogt, J.X. Wang
Quarkonium production in high energy proton-proton and proton-nucleus collisions
Overview for the proceedings of QUARKONIUM 2010: Three Days Of Quarkonium Production in pp and pA Collisions, 29-31 July 2010, Palaiseau, France; 34 pages, 30 figures, Latex
Nuclear Physics B (Proceedings Supplements) 214 (2011) pp. 3-36
10.1016/j.nuclphysbps.2011.03.053
USM-TH-285
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a brief overview of the most relevant current issues related to quarkonium production in high energy proton-proton and proton-nucleus collisions along with some perspectives. After reviewing recent experimental and theoretical results on quarkonium production in pp and pA collisions, we discuss the emergin...
[ { "created": "Mon, 23 May 2011 16:06:03 GMT", "version": "v1" } ]
2015-03-19
[ [ "del Valle", "Z. Conesa", "" ], [ "Corcella", "G.", "" ], [ "Fleuret", "F.", "" ], [ "Ferreiro", "E. G.", "" ], [ "Kartvelishvili", "V.", "" ], [ "Kopeliovich", "B. Z.", "" ], [ "Lansberg", "J. P.", "" ],...
We present a brief overview of the most relevant current issues related to quarkonium production in high energy proton-proton and proton-nucleus collisions along with some perspectives. After reviewing recent experimental and theoretical results on quarkonium production in pp and pA collisions, we discuss the emerging ...
2208.13312
Toru Kojo
Toru Kojo and Daiki Suenaga
Meson resonance gas in a relativistic quark model: scalar vs vector confinement and semishort range correlations
24 pages, 10 figures
null
null
null
hep-ph hep-lat nucl-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
Smooth transitions from hadronic matter to hot and dense matter of quantum chromodynamics accompany continuous transformations in effective degrees of freedom. The microscopic descriptions should include relativistic quarks interacting inside of hadrons. In this work we construct a schematic constituent quark model w...
[ { "created": "Sun, 28 Aug 2022 23:44:09 GMT", "version": "v1" } ]
2022-08-30
[ [ "Kojo", "Toru", "" ], [ "Suenaga", "Daiki", "" ] ]
Smooth transitions from hadronic matter to hot and dense matter of quantum chromodynamics accompany continuous transformations in effective degrees of freedom. The microscopic descriptions should include relativistic quarks interacting inside of hadrons. In this work we construct a schematic constituent quark model wit...
1211.7218
Nikolaos Stefanis
N. G. Stefanis
Worldline techniques and QCD observables
8 pages, 2 figures. Presented at Light-Cone 2012, July 08-13, 2012, Cracow, Poland. Dedicated to the memory of Walter Gloeckle, teacher, friend, and colleague. V2 has a couple of minor corrections. V3 matches version accepted for publication in Acta Physica Polonica B
Acta Physica Polonica B Proceedings Supplement Vol. 6 (2013) p. 71
null
RUB-TPII-04/2012
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This report attempts to capture the essential workings of gauge links (Wilson lines) inside gauge-invariant formulations of parton distribution functions in QCD and gain some deeper insight into their key (renormalization) properties. We show, in particular, that the one-loop anomalous dimension of the Cherednikov-St...
[ { "created": "Fri, 30 Nov 2012 11:48:29 GMT", "version": "v1" }, { "created": "Fri, 7 Dec 2012 14:14:14 GMT", "version": "v2" }, { "created": "Wed, 19 Dec 2012 08:24:01 GMT", "version": "v3" } ]
2013-03-25
[ [ "Stefanis", "N. G.", "" ] ]
This report attempts to capture the essential workings of gauge links (Wilson lines) inside gauge-invariant formulations of parton distribution functions in QCD and gain some deeper insight into their key (renormalization) properties. We show, in particular, that the one-loop anomalous dimension of the Cherednikov-Stef...
hep-ph/0101046
Yukihiro Mimura
K.S. Babu (Oklahoma State University) and Yukihiro Mimura (Oklahoma State University)
Solving the mu problem in gauge mediated supersymmetry breaking models with flavor symmetry
12 pages in LaTeX
null
null
OSU-HEP-01-01
hep-ph
null
We suggest a solution to the \mu problem of gauge mediated supersymmtery breaking models based on flavor symmetries. In this scenario the \mu term arises through the vacuum expectation value of a singlet scalar field which is suppressed by a flavor symmetry factor relative to the scale of dynamical SUSY breaking. The...
[ { "created": "Fri, 5 Jan 2001 02:55:36 GMT", "version": "v1" } ]
2007-05-23
[ [ "Babu", "K. S.", "", "Oklahoma State University" ], [ "Mimura", "Yukihiro", "", "Oklahoma\n State University" ] ]
We suggest a solution to the \mu problem of gauge mediated supersymmtery breaking models based on flavor symmetries. In this scenario the \mu term arises through the vacuum expectation value of a singlet scalar field which is suppressed by a flavor symmetry factor relative to the scale of dynamical SUSY breaking. The s...
hep-ph/0508176
Ralf Hofmann
Ralf Hofmann
A strongly interacting SU(2) pure gauge theory and the nature of light
13 pages, 9 figures, talk given at 29th Johns Hopkins workshop in Theoretical Physics, Budapest 1-3 August 2005; v3: consequences of a modification of the evolution equation for the coupling implemented
null
null
null
hep-ph
null
We present quantitative and qualitative arguments in favor of the claim that, within the present cosmological epoch, the U(1)$_Y$ factor in the Standard Model is an effective manifestation of SU(2) pure gauge dynamics of Yang-Mills scale $\Lambda\sim 10^{-4}$ eV. Results for the pressure and the energy density in the...
[ { "created": "Tue, 16 Aug 2005 15:14:52 GMT", "version": "v1" }, { "created": "Mon, 19 Dec 2005 10:49:48 GMT", "version": "v2" }, { "created": "Mon, 27 Nov 2006 11:34:57 GMT", "version": "v3" } ]
2007-05-23
[ [ "Hofmann", "Ralf", "" ] ]
We present quantitative and qualitative arguments in favor of the claim that, within the present cosmological epoch, the U(1)$_Y$ factor in the Standard Model is an effective manifestation of SU(2) pure gauge dynamics of Yang-Mills scale $\Lambda\sim 10^{-4}$ eV. Results for the pressure and the energy density in the d...
0708.0567
Timothy Dulaney
Timothy R. Dulaney, Mark B. Wise
Flavor Changing Neutral Currents in the Lee-Wick Standard Model
13 pages, 2 figures
Phys.Lett.B658:230-235,2008
10.1016/j.physletb.2007.08.049
CALT 68-2656
hep-ph
null
Recently an extension of the standard model (the Lee-Wick standard model) based on ideas of Lee and Wick (LW) was introduced. It does not contain quadratic divergences in the Higgs mass and hence solves the hierarchy puzzle. The LW-standard model contains new heavy LW-resonances at the TeV scale that decay to ordinar...
[ { "created": "Fri, 3 Aug 2007 18:53:16 GMT", "version": "v1" }, { "created": "Sun, 5 Aug 2007 01:23:34 GMT", "version": "v2" } ]
2008-11-26
[ [ "Dulaney", "Timothy R.", "" ], [ "Wise", "Mark B.", "" ] ]
Recently an extension of the standard model (the Lee-Wick standard model) based on ideas of Lee and Wick (LW) was introduced. It does not contain quadratic divergences in the Higgs mass and hence solves the hierarchy puzzle. The LW-standard model contains new heavy LW-resonances at the TeV scale that decay to ordinary ...
0812.3830
Sascha Turczyk
Sascha Turczyk (Univ. Siegen)
Model-independent analysis of Tau -> lll' decays
6 pages, 6 figures. To be published in the Proceedings of the Tau08 Conference, Novosibirsk, Russia (September 2008)
null
10.1016/j.nuclphysbps.2009.03.025
SI-HEP-2008-17
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Many models for physics beyond the Standard Model predict lepton-flavour violating decays of charged leptons at a level which may become observable very soon. We investigate the decays of a Tau-lepton into three charged leptons (Tau -> lll', l(') = e,\mu in a generic way. Using effective-field-theory methods, the rel...
[ { "created": "Fri, 19 Dec 2008 16:13:31 GMT", "version": "v1" } ]
2015-05-13
[ [ "Turczyk", "Sascha", "", "Univ. Siegen" ] ]
Many models for physics beyond the Standard Model predict lepton-flavour violating decays of charged leptons at a level which may become observable very soon. We investigate the decays of a Tau-lepton into three charged leptons (Tau -> lll', l(') = e,\mu in a generic way. Using effective-field-theory methods, the relev...
hep-ph/9710278
Akaki Rusetsky
T. Babutsidze (IHEP, Tbilisi State University), T. Kopaleishvili (IHEP, Tbilisi State University), A. Rusetsky (JINR, Dubna and IHEP, Tbilisi State University)
The Spin Structure of the qq Interaction and the Mass Spectra of Bound q\bar q Systems: Different Versions of the 3-Dimensional Reductions of the Bethe-Salpeter Equation
10 pages, LaTeX-file (article.sty)
Phys.Lett. B426 (1998) 139-148
10.1016/S0370-2693(98)00259-7
TSU HEPI/97-01
hep-ph
null
Bound q\bar q -systems are considered in the framework of three different versions of the 3-dimensional reduction of the Bethe-Salpeter equation, all having the correct one-body limit when one of the constituent quark masses tends to infinity, and in the framework of the Salpeter equation. The spin structure of confi...
[ { "created": "Wed, 8 Oct 1997 06:21:34 GMT", "version": "v1" } ]
2009-10-30
[ [ "Babutsidze", "T.", "", "IHEP, Tbilisi State University" ], [ "Kopaleishvili", "T.", "", "IHEP, Tbilisi State University" ], [ "Rusetsky", "A.", "", "JINR, Dubna and IHEP, Tbilisi\n State University" ] ]
Bound q\bar q -systems are considered in the framework of three different versions of the 3-dimensional reduction of the Bethe-Salpeter equation, all having the correct one-body limit when one of the constituent quark masses tends to infinity, and in the framework of the Salpeter equation. The spin structure of confini...
hep-ph/0104121
Guy Moore
Guy D. Moore
Transport Coefficients in Large $N_f$ Gauge Theory: Testing Hard Thermal Loops
31 pages, including 9 figures. Error in vacuum self-energy, arising from trusting Arthur Weldon, fixed, thank you Tony Rebhan. Results and conclusions slightly but not significantly changed
JHEP 0105:039,2001
10.1088/1126-6708/2001/05/039
UW/PT 01-11
hep-ph
null
We compute shear viscosity and flavor diffusion coefficients for ultra-relativistic gauge theory with many fermionic species, Nf >> 1, to leading order in 1/Nf. The calculation is performed both at leading order in the effective coupling strength g^2 Nf, using the Hard Thermal Loop (HTL) approximation, and completely...
[ { "created": "Wed, 11 Apr 2001 21:12:28 GMT", "version": "v1" }, { "created": "Mon, 21 May 2001 22:08:47 GMT", "version": "v2" }, { "created": "Wed, 11 Dec 2002 23:48:32 GMT", "version": "v3" } ]
2010-02-03
[ [ "Moore", "Guy D.", "" ] ]
We compute shear viscosity and flavor diffusion coefficients for ultra-relativistic gauge theory with many fermionic species, Nf >> 1, to leading order in 1/Nf. The calculation is performed both at leading order in the effective coupling strength g^2 Nf, using the Hard Thermal Loop (HTL) approximation, and completely t...
1506.04065
Tommi Markkanen
Matti Herranen, Tommi Markkanen, Sami Nurmi and Arttu Rajantie
Spacetime curvature and Higgs stability after inflation
5 pages, 1 figure. Updated to match version to appear in PRL
Phys. Rev. Lett. 115, 241301 (2015)
10.1103/PhysRevLett.115.241301
HIP-2015-21/TH, Imperial-TP-2015-TM
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the dynamics of the Higgs field at the end of inflation in the minimal scenario consisting of an inflaton field coupled to the Standard Model only through the non-minimal gravitational coupling $\xi$ of the Higgs field. Such a coupling is required by renormalisation of the Standard Model in curved spac...
[ { "created": "Fri, 12 Jun 2015 16:46:14 GMT", "version": "v1" }, { "created": "Thu, 5 Nov 2015 23:40:05 GMT", "version": "v2" } ]
2015-12-16
[ [ "Herranen", "Matti", "" ], [ "Markkanen", "Tommi", "" ], [ "Nurmi", "Sami", "" ], [ "Rajantie", "Arttu", "" ] ]
We investigate the dynamics of the Higgs field at the end of inflation in the minimal scenario consisting of an inflaton field coupled to the Standard Model only through the non-minimal gravitational coupling $\xi$ of the Higgs field. Such a coupling is required by renormalisation of the Standard Model in curved space,...
2003.13612
Akaki Rusetsky
J. Gasser (U. Bern, AEC), H. Leutwyler (U. Bern, AEC), A. Rusetsky (U. Bonn, BCTP)
On the mass difference between proton and neutron
11 pages. A typo in Eq. (21) corrected
null
10.1016/j.physletb.2021.136087
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Cottingham formula expresses the electromagnetic part of the mass of a particle in terms of the virtual Compton scattering amplitude. At large photon momenta, this amplitude is dominated by short distance singularities associated with operators of spin 0 and spin 2. In the difference between proton and neutron, c...
[ { "created": "Mon, 30 Mar 2020 16:44:28 GMT", "version": "v1" }, { "created": "Sun, 17 Jan 2021 17:12:05 GMT", "version": "v2" }, { "created": "Fri, 22 Jan 2021 11:36:24 GMT", "version": "v3" } ]
2021-01-27
[ [ "Gasser", "J.", "", "U. Bern, AEC" ], [ "Leutwyler", "H.", "", "U. Bern, AEC" ], [ "Rusetsky", "A.", "", "U.\n Bonn, BCTP" ] ]
The Cottingham formula expresses the electromagnetic part of the mass of a particle in terms of the virtual Compton scattering amplitude. At large photon momenta, this amplitude is dominated by short distance singularities associated with operators of spin 0 and spin 2. In the difference between proton and neutron, chi...
hep-ph/9510253
Paolo Nason
P. Nason, G. Ridolfi and S. Frixione
Heavy Flavour Production
18 pages, Latex, epsfig, 12 tar-gzip-uuencoded figures. Invited talk given at the XV International conference "Physics in Collisions", Cracow, Poland, June 8-10, 1995
null
null
CERN-TH/95-256
hep-ph
null
We review the status of heavy flavour production in QCD. Comparison of experimental and theoretical results for top and bottom production are given. Selected topics in charm production are also discussed.
[ { "created": "Mon, 9 Oct 1995 14:05:29 GMT", "version": "v1" } ]
2007-05-23
[ [ "Nason", "P.", "" ], [ "Ridolfi", "G.", "" ], [ "Frixione", "S.", "" ] ]
We review the status of heavy flavour production in QCD. Comparison of experimental and theoretical results for top and bottom production are given. Selected topics in charm production are also discussed.
2402.03863
Marco Fedele
Marco Fedele
B rare decays: theory overview
9 pages. Prepared for the Proceedings for the "Workshop Italiano sulla Fisica ad Alta Intensit\`a (WIFAI2023)", 8-10 November 2023, Rome, Italy
null
null
null
hep-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
In this proceeding we will review the current theoretical status of rare $B$ decays. These decays are indeed excellent indirect probes for New Physics searches, and in the current situation where no new states have been directly observed at collider, they provide a fundamental and alternative approach in the quest fo...
[ { "created": "Tue, 6 Feb 2024 10:22:29 GMT", "version": "v1" } ]
2024-02-07
[ [ "Fedele", "Marco", "" ] ]
In this proceeding we will review the current theoretical status of rare $B$ decays. These decays are indeed excellent indirect probes for New Physics searches, and in the current situation where no new states have been directly observed at collider, they provide a fundamental and alternative approach in the quest for ...
1203.6781
Eleni Vryonidou
W.J. Stirling, E. Vryonidou
Charm production in association with an electroweak gauge boson at the LHC
5 pages, 8 figures
null
10.1103/PhysRevLett.109.082002
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The production of charm quark jets in association with electroweak gauge bosons at the LHC can be used as a tool to constrain quark parton distribution functions (PDFs). Motivated by recent measurements at the Tevatron and LHC, we calculate cross sections for $W/Z+c$, comparing these to $W/Z+\textrm{jet}$, for variou...
[ { "created": "Fri, 30 Mar 2012 12:04:42 GMT", "version": "v1" } ]
2013-05-30
[ [ "Stirling", "W. J.", "" ], [ "Vryonidou", "E.", "" ] ]
The production of charm quark jets in association with electroweak gauge bosons at the LHC can be used as a tool to constrain quark parton distribution functions (PDFs). Motivated by recent measurements at the Tevatron and LHC, we calculate cross sections for $W/Z+c$, comparing these to $W/Z+\textrm{jet}$, for various ...
0705.2258
Siew-Phang Ng
Siew-Phang Ng, Nobuchika Okada
Dark Matter in Gauge Mediation from Emergent Supersymmetry
14 pages, 4 figures
JHEP 0709:040,2007
10.1088/1126-6708/2007/09/040
null
hep-ph astro-ph
null
We investigated the viability of neutralino dark matter in the gauge mediation from emergent supersymmetry proposal. In this proposal, supersymmetry is broken at Planck scale and consequently, the gravitino is superheavy and completely decouples from the low energy theory. Squarks and sleptons obtain their soft masse...
[ { "created": "Tue, 15 May 2007 23:32:41 GMT", "version": "v1" } ]
2009-01-06
[ [ "Ng", "Siew-Phang", "" ], [ "Okada", "Nobuchika", "" ] ]
We investigated the viability of neutralino dark matter in the gauge mediation from emergent supersymmetry proposal. In this proposal, supersymmetry is broken at Planck scale and consequently, the gravitino is superheavy and completely decouples from the low energy theory. Squarks and sleptons obtain their soft masses ...
hep-ph/9409354
Ed Stoeffhaas
V.Barger, E.Mirkes, J.Ohnemus and R.J.N.Phillips
Further ways to distinguish single-lepton top quark signals from background at the Tevatron
8 pages. Standard Latex. 3 postscript figures included. UCD-94-34, RAL-94-099, MAD/PH/849
Phys.Lett.B344:329-333,1995
10.1016/0370-2693(94)01524-G
null
hep-ph
null
Further kinematical variables are suggested, in which to compare the putative leptonic $W$ plus 4-jet top quark signal with the QCD background. We show that the lepton rapidity asymmetry, the $p_T$-ranking of the tagged $b$-jet, the double-tag probability, the reconstructed $t+\bar t$ invariant mass, and the lepton e...
[ { "created": "Mon, 19 Sep 1994 20:45:14 GMT", "version": "v1" } ]
2009-09-25
[ [ "Barger", "V.", "" ], [ "Mirkes", "E.", "" ], [ "Ohnemus", "J.", "" ], [ "Phillips", "R. J. N.", "" ] ]
Further kinematical variables are suggested, in which to compare the putative leptonic $W$ plus 4-jet top quark signal with the QCD background. We show that the lepton rapidity asymmetry, the $p_T$-ranking of the tagged $b$-jet, the double-tag probability, the reconstructed $t+\bar t$ invariant mass, and the lepton ene...
hep-ph/0408035
Stefan Gieseke
Stefan Gieseke (University of Cambridge)
Herwig++ for e+e- collisions
Presented at the International Conference on Linear Colliders, 19--23 April 2004, Paris, France (LCWS 2004)
null
null
null
hep-ph
null
Some results obtained with the new Monte Carlo event generator Herwig++ are presented. In its first version (1.0), Herwig++ is capable of simulating e+e- Annihilation events. We discuss its relevance for future e+e- colliders and show results on the multiplicity of minijets.
[ { "created": "Tue, 3 Aug 2004 12:29:06 GMT", "version": "v1" } ]
2007-05-23
[ [ "Gieseke", "Stefan", "", "University of Cambridge" ] ]
Some results obtained with the new Monte Carlo event generator Herwig++ are presented. In its first version (1.0), Herwig++ is capable of simulating e+e- Annihilation events. We discuss its relevance for future e+e- colliders and show results on the multiplicity of minijets.
1008.1798
Tuhin Roy
Graham D. Kribs, Takemichi Okui and Tuhin S. Roy
Viable Gravity-Mediated Supersymmetry Breaking
references added, minor modification in the text, this version accepted in PRD
Phys.Rev.D82:115010,2010
10.1103/PhysRevD.82.115010
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a complete, viable model of gravity-mediated supersymmetry breaking that is safe from all flavor constraints. The central new idea is to employ a supersymmetry breaking sector without singlets, but with D-terms comparable to F-terms, causing supersymmetry breaking to be dominantly communicated through U(1)...
[ { "created": "Tue, 10 Aug 2010 20:19:38 GMT", "version": "v1" }, { "created": "Thu, 18 Nov 2010 23:57:13 GMT", "version": "v2" } ]
2010-12-24
[ [ "Kribs", "Graham D.", "" ], [ "Okui", "Takemichi", "" ], [ "Roy", "Tuhin S.", "" ] ]
We present a complete, viable model of gravity-mediated supersymmetry breaking that is safe from all flavor constraints. The central new idea is to employ a supersymmetry breaking sector without singlets, but with D-terms comparable to F-terms, causing supersymmetry breaking to be dominantly communicated through U(1)_R...
hep-ph/9412312
null
Chungsik Song, Su Houng Lee, and Che Ming Ko
Suppression of dilepton production in hot hadronic matter
12 pages (REVTeX), four figures
Phys.Rev.C52:476-479,1995
10.1103/PhysRevC.52.476
SNUTP-94-104
hep-ph
null
The pion electromagnetic form factor at finite temperature is studied using an effective chiral lagrangian that includes explicitly vector mesons. We find that in the time-like region around the rho meson resonance it decreases with increasing temperature and leads to a suppression of dilepton production from pion-pi...
[ { "created": "Fri, 16 Dec 1994 22:25:47 GMT", "version": "v1" } ]
2009-09-25
[ [ "Song", "Chungsik", "" ], [ "Lee", "Su Houng", "" ], [ "Ko", "Che Ming", "" ] ]
The pion electromagnetic form factor at finite temperature is studied using an effective chiral lagrangian that includes explicitly vector mesons. We find that in the time-like region around the rho meson resonance it decreases with increasing temperature and leads to a suppression of dilepton production from pion-pion...
1908.11699
Wai Kin Lai
Nora Brambilla, Wai Kin Lai, Jorge Segovia, and Jaume Tarr\'us Castell\`a
QCD spin effects in the heavy hybrid potentials and spectra
39 pages, 6 figures, published version, two additional operators included, figures modified, Appendices C and D enlarged
Phys. Rev. D 101, 054040 (2020)
10.1103/PhysRevD.101.054040
TUM-EFT 129/19
hep-ph hep-ex hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The spin-dependent operators for heavy quarkonium hybrids have been recently obtained in a nonrelativistic effective field theory approach up to next-to-leading order in the heavy-quark mass expansion. In the effective field theory for hybrids several operators not found in standard quarkonia appear, including an ope...
[ { "created": "Fri, 30 Aug 2019 12:47:55 GMT", "version": "v1" }, { "created": "Fri, 14 Feb 2020 15:39:18 GMT", "version": "v2" } ]
2020-04-07
[ [ "Brambilla", "Nora", "" ], [ "Lai", "Wai Kin", "" ], [ "Segovia", "Jorge", "" ], [ "Castellà", "Jaume Tarrús", "" ] ]
The spin-dependent operators for heavy quarkonium hybrids have been recently obtained in a nonrelativistic effective field theory approach up to next-to-leading order in the heavy-quark mass expansion. In the effective field theory for hybrids several operators not found in standard quarkonia appear, including an opera...
1906.07329
Bo-Qiang Ma
Yanqi Huang, Hao Li, Bo-Qiang Ma
Consistent Lorentz violation features from near-TeV IceCube neutrinos
6 pages, 3 figures, final version for journal publication
Phys. Rev. D 99 (2019) 123018
10.1103/PhysRevD.99.123018
null
hep-ph astro-ph.HE gr-qc
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A recent proposal to associate 60~TeV to 2~PeV IceCube neutrino events with gamma-ray bursts~(GRBs) indicates the Lorentz violation of cosmic neutrinos and leads further to the $CPT$ symmetry violation between neutrinos and antineutrinos. Here we find that another 12 northern hemisphere track events possibly correlat...
[ { "created": "Tue, 18 Jun 2019 01:20:17 GMT", "version": "v1" }, { "created": "Sun, 23 Jun 2019 02:12:51 GMT", "version": "v2" } ]
2019-06-25
[ [ "Huang", "Yanqi", "" ], [ "Li", "Hao", "" ], [ "Ma", "Bo-Qiang", "" ] ]
A recent proposal to associate 60~TeV to 2~PeV IceCube neutrino events with gamma-ray bursts~(GRBs) indicates the Lorentz violation of cosmic neutrinos and leads further to the $CPT$ symmetry violation between neutrinos and antineutrinos. Here we find that another 12 northern hemisphere track events possibly correlated...
1008.3837
Daniel R. Tovey
Daniel R. Tovey
Transverse mass and invariant mass observables for measuring the mass of a semi-invisibly decaying heavy particle
13 pages, 8 eps figures
JHEP 1011:148,2010
10.1007/JHEP11(2010)148
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Formulae are derived for the positions of end-points in the invariant mass and transverse mass distributions obtained from the products of heavy states decaying to pairs of semi-invisibly decaying lighter states. Formulae are derived both for the special case where the two decay chains are identical and the more gene...
[ { "created": "Mon, 23 Aug 2010 15:27:56 GMT", "version": "v1" }, { "created": "Wed, 17 Nov 2010 11:09:50 GMT", "version": "v2" } ]
2010-12-06
[ [ "Tovey", "Daniel R.", "" ] ]
Formulae are derived for the positions of end-points in the invariant mass and transverse mass distributions obtained from the products of heavy states decaying to pairs of semi-invisibly decaying lighter states. Formulae are derived both for the special case where the two decay chains are identical and the more genera...
hep-ph/9711349
Jean Letessier
J. Letessier, A. Tounsi, U. Heinz, J. Sollfrank and J. Rafelski
Evidence for a high entropy phase in nuclear collisions
8 pages, LaTeX, 2 postscript figures, Phys. Lett. B328 (1994) 499
Phys.Rev.Lett.70:3530-3533,1993
10.1103/PhysRevLett.70.3530
null
hep-ph nucl-th
null
We determine the entropy per baryon content of the central reaction region in terms of the charged particle multiplicity. We study the consistency of our findings with recent data on strange anti-baryon production at 200 GeV A in S -> A collisions (A=200) assuming formation of a central fireball. Hadron gas models wh...
[ { "created": "Mon, 17 Nov 1997 13:53:30 GMT", "version": "v1" } ]
2009-10-09
[ [ "Letessier", "J.", "" ], [ "Tounsi", "A.", "" ], [ "Heinz", "U.", "" ], [ "Sollfrank", "J.", "" ], [ "Rafelski", "J.", "" ] ]
We determine the entropy per baryon content of the central reaction region in terms of the charged particle multiplicity. We study the consistency of our findings with recent data on strange anti-baryon production at 200 GeV A in S -> A collisions (A=200) assuming formation of a central fireball. Hadron gas models whic...
2210.10061
Yibei Li
Hao Chen, Max Jaarsma, Yibei Li, Ian Moult, Wouter J. Waalewijn, Hua Xing Zhu
Collinear Parton Dynamics Beyond DGLAP
5 pages, 6 figures + a Mathematica notebook
null
null
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Renormalization group evolution equations describing the scale dependence of quantities in quantum chromodynamics (QCD) play a central role in the interpretation of experimental data. Arguably the most important evolution equations for collider physics applications are the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (...
[ { "created": "Tue, 18 Oct 2022 18:00:02 GMT", "version": "v1" } ]
2022-10-20
[ [ "Chen", "Hao", "" ], [ "Jaarsma", "Max", "" ], [ "Li", "Yibei", "" ], [ "Moult", "Ian", "" ], [ "Waalewijn", "Wouter J.", "" ], [ "Zhu", "Hua Xing", "" ] ]
Renormalization group evolution equations describing the scale dependence of quantities in quantum chromodynamics (QCD) play a central role in the interpretation of experimental data. Arguably the most important evolution equations for collider physics applications are the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DG...
hep-ph/0111157
Andrea Banfi
A. Banfi, G. Marchesini, G. Smye and G. Zanderighi
Out-of-plane QCD radiation in DIS with high p_t jets
40 pages, 4 figures, JHEP class included. Version 2 corrects some formulae in appendix B and F and updates the figures and one reference
JHEP 0111:066,2001
10.1088/1126-6708/2001/11/066
Bicocca-FT-01/22
hep-ph
null
We present a QCD analysis of the cumulative out-of-event-plane momentum distribution in DIS process with emission of high p_t jets. We derive the all-order resummed result to next-to-leading accuracy and estimate the leading power correction. We aim at the same level of accuracy which, in e+e- annihilation, seems to ...
[ { "created": "Tue, 13 Nov 2001 10:09:12 GMT", "version": "v1" }, { "created": "Thu, 24 Jan 2002 09:51:25 GMT", "version": "v2" } ]
2010-02-03
[ [ "Banfi", "A.", "" ], [ "Marchesini", "G.", "" ], [ "Smye", "G.", "" ], [ "Zanderighi", "G.", "" ] ]
We present a QCD analysis of the cumulative out-of-event-plane momentum distribution in DIS process with emission of high p_t jets. We derive the all-order resummed result to next-to-leading accuracy and estimate the leading power correction. We aim at the same level of accuracy which, in e+e- annihilation, seems to be...
hep-ph/9808227
null
S.Y. Choi, J.S.Shim, H.S.Song and W.Y. Song
Phenomenological Impacts of the CP-odd Rephase-Invariant Phase of the Chargino Mass Matrix in the Production of Light Chargino-Pair in $e^+e^-$ Collisions
9 pages, latex with 3 eps figure
null
null
YUMS 98-12, SNUTP 98-084
hep-ph
null
One CP--odd rephase-invariant phase appears in the chargino mass matrix in the minimal Supersymmetric Standard Model. We investigate in detail the phenomenological impacts of the CP-odd complex phase in the production of light charginos in $e^+e^-$ annihilation. The values of the chargino masses and the mixing angles...
[ { "created": "Wed, 5 Aug 1998 02:53:19 GMT", "version": "v1" } ]
2007-05-23
[ [ "Choi", "S. Y.", "" ], [ "Shim", "J. S.", "" ], [ "Song", "H. S.", "" ], [ "Song", "W. Y.", "" ] ]
One CP--odd rephase-invariant phase appears in the chargino mass matrix in the minimal Supersymmetric Standard Model. We investigate in detail the phenomenological impacts of the CP-odd complex phase in the production of light charginos in $e^+e^-$ annihilation. The values of the chargino masses and the mixing angles, ...
hep-ph/0602174
Andrey Lobanov
A. E. Lobanov
Neutrino-antineutrino pair production by a photon in a dense matter
10 pages, Latex
Phys.Lett. B637 (2006) 274-278
10.1016/j.physletb.2006.05.001
null
hep-ph hep-th
null
The possibility of radiative effects that are due to interaction of fermions with a dense matter is investigated. Neutrino-antineutrino photo-production is studied. The rate of this process is calculated in the Furry picture. It is demonstrated that this effect does not disappear even if the medium refractive index i...
[ { "created": "Sun, 19 Feb 2006 23:26:11 GMT", "version": "v1" }, { "created": "Wed, 10 May 2006 20:53:55 GMT", "version": "v2" } ]
2009-11-11
[ [ "Lobanov", "A. E.", "" ] ]
The possibility of radiative effects that are due to interaction of fermions with a dense matter is investigated. Neutrino-antineutrino photo-production is studied. The rate of this process is calculated in the Furry picture. It is demonstrated that this effect does not disappear even if the medium refractive index is ...
2101.09468
Dorota Strozik-Kotlorz
A. Kotlorz, D. Kotlorz and O. V. Teryaev
Evaluation of the Gottfried sum with use of the truncated moments method
15 pages, 6 figures (11 eps plots)
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
We reanalyze the experimental NMC data on the nonsinglet structure function $F_2^p-F_2^n$ and E866 data on the nucleon sea asymmetry $\bar{d}/\bar{u}$ using the truncated moments approach elaborated in our previous papers. With help of the special truncated sum one can overcome the problem of the unavoidable experime...
[ { "created": "Sat, 23 Jan 2021 09:56:35 GMT", "version": "v1" } ]
2021-01-26
[ [ "Kotlorz", "A.", "" ], [ "Kotlorz", "D.", "" ], [ "Teryaev", "O. V.", "" ] ]
We reanalyze the experimental NMC data on the nonsinglet structure function $F_2^p-F_2^n$ and E866 data on the nucleon sea asymmetry $\bar{d}/\bar{u}$ using the truncated moments approach elaborated in our previous papers. With help of the special truncated sum one can overcome the problem of the unavoidable experiment...
hep-ph/0111406
Ismd31
U. Flagmeyer
Event shape studies, \boldmath{$\alpha_s$} and its running from LEP
4 pages, 1 figures in eps, talk given at XXXI International Symposium on Multiparticle Dynamics, Sept 1-7, 2001, Datong China. URL http://ismd31.ccnu.edu.cn/
null
10.1142/9789812778048_0043
null
hep-ph
null
Data from electron positron annihilations at different center of mass energies are collected by the four LEP experiments. Direct tests of hard QCD are performed by measuring and analysing event shape observables.
[ { "created": "Thu, 29 Nov 2001 11:47:57 GMT", "version": "v1" } ]
2017-08-23
[ [ "Flagmeyer", "U.", "" ] ]
Data from electron positron annihilations at different center of mass energies are collected by the four LEP experiments. Direct tests of hard QCD are performed by measuring and analysing event shape observables.
hep-ph/0512345
Gouranga Nayak
Gouranga C. Nayak (SUNY, Stony Brook), Jian-Wei Qiu (Iowa State), George Sterman (SUNY, Stony Brook)
Fragmentation, NRQCD and Factorization in Heavy Quarkonium Production
3pages Latex, 3eps figures, Talk given by G. C. Nayak at PANIC05 Santa Fe, NM, USA, October 24-28, 2005
AIP Conf.Proc.842:610-612,2006
10.1063/1.2220338
YITP-SB-05-50
hep-ph hep-lat nucl-th
null
We discuss factorization in heavy quarkonium production in high energy collisions using NRQCD. Infrared divergences at NNLO are not matched by conventional NRQCD matrix elements. However, we show that gauge invariance and factorization require that conventional NRQCD production matrix elements be modified to include ...
[ { "created": "Wed, 28 Dec 2005 08:38:33 GMT", "version": "v1" } ]
2014-11-18
[ [ "Nayak", "Gouranga C.", "", "SUNY, Stony Brook" ], [ "Qiu", "Jian-Wei", "", "Iowa State" ], [ "Sterman", "George", "", "SUNY, Stony Brook" ] ]
We discuss factorization in heavy quarkonium production in high energy collisions using NRQCD. Infrared divergences at NNLO are not matched by conventional NRQCD matrix elements. However, we show that gauge invariance and factorization require that conventional NRQCD production matrix elements be modified to include Wi...
hep-ph/0211148
Bob Klindworth
Bob Klindworth, Matt Bierman, Adam Bush
The 2+1 Dimensional Quark/Anti-quark Potential in Fourth Order Color-Dielectric Transverse Lattice QCD
9 pages, 3 figures
null
null
null
hep-ph
null
The 2+1 dimensional (2 space dimensions and 1 time dimension) Transverse Lattice is constructed using the Color Dielectric formalism. The dynamics of the Color Dielectric link fields are not known from first principles, so an ansatz for the effective action is made, which is truncated at fourth order in the fields. S...
[ { "created": "Mon, 11 Nov 2002 13:58:33 GMT", "version": "v1" }, { "created": "Tue, 19 Nov 2002 21:15:43 GMT", "version": "v2" } ]
2007-05-23
[ [ "Klindworth", "Bob", "" ], [ "Bierman", "Matt", "" ], [ "Bush", "Adam", "" ] ]
The 2+1 dimensional (2 space dimensions and 1 time dimension) Transverse Lattice is constructed using the Color Dielectric formalism. The dynamics of the Color Dielectric link fields are not known from first principles, so an ansatz for the effective action is made, which is truncated at fourth order in the fields. Sin...
1805.03209
Diptimoy Ghosh
Aleksandr Azatov, Debjyoti Bardhan, Diptimoy Ghosh, Francesco Sgarlata, Elena Venturini
Anatomy of $b \to c \, \tau \, \nu$ anomalies
Published version
null
10.1007/JHEP11(2018)187
SISSA 20/2018/FISI
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In recent times, one of the strongest hints of Physics Beyond the Standard Model (BSM) has been the anomaly in the ratios $R_D$ and $R_{D^\ast}$ measured in the charged current decays of $B$-mesons. In this work, we perform a comprehensive analysis of these decay modes, first in a model independent way and subsequent...
[ { "created": "Tue, 8 May 2018 18:00:02 GMT", "version": "v1" }, { "created": "Wed, 16 May 2018 15:08:56 GMT", "version": "v2" }, { "created": "Fri, 30 Nov 2018 06:36:45 GMT", "version": "v3" } ]
2018-12-26
[ [ "Azatov", "Aleksandr", "" ], [ "Bardhan", "Debjyoti", "" ], [ "Ghosh", "Diptimoy", "" ], [ "Sgarlata", "Francesco", "" ], [ "Venturini", "Elena", "" ] ]
In recent times, one of the strongest hints of Physics Beyond the Standard Model (BSM) has been the anomaly in the ratios $R_D$ and $R_{D^\ast}$ measured in the charged current decays of $B$-mesons. In this work, we perform a comprehensive analysis of these decay modes, first in a model independent way and subsequently...
2403.11630
Trambak Bhattacharyya Dr
Trambak Bhattacharyya and Md Hasanujjaman
Nonlinear Pulse Dynamics in a Magnetized and Nonextensive Quark-Gluon Plasma
15 pages, 6 figures
null
null
null
hep-ph hep-th nucl-th
http://creativecommons.org/licenses/by/4.0/
We investigate the propagation of nonlinear energy density waves in a nonextensive quark-gluon plasma under the influence of a magnetic field using the reductive perturbation technique. For a nonextensive MIT bag equation of state, we obtain the governing equation for the first order perturbation of the energy densit...
[ { "created": "Mon, 18 Mar 2024 10:03:22 GMT", "version": "v1" } ]
2024-03-19
[ [ "Bhattacharyya", "Trambak", "" ], [ "Hasanujjaman", "Md", "" ] ]
We investigate the propagation of nonlinear energy density waves in a nonextensive quark-gluon plasma under the influence of a magnetic field using the reductive perturbation technique. For a nonextensive MIT bag equation of state, we obtain the governing equation for the first order perturbation of the energy density....
0905.1312
John McDonald
Kazunori Kohri, John McDonald and Narendra Sahu
Cosmic Ray Anomalies and Dark Matter Annihilation to Muons via a Higgs Portal Hidden Sector
24 pages, 4 figures. Expanded discussion, conclusions unchanged. Version to be published in Physical Review D
null
10.1103/PhysRevD.81.023530
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Annihilating dark matter (DM) models based on a scalar hidden sector with Higgs portal-like couplings to the Standard Model are considered as a possible explanation for recently observed cosmic ray excesses. Two versions of the model are studied, one with non-thermal DM as the origin of the boost factor and one with ...
[ { "created": "Fri, 8 May 2009 18:40:42 GMT", "version": "v1" }, { "created": "Tue, 12 May 2009 16:40:53 GMT", "version": "v2" }, { "created": "Wed, 20 May 2009 18:21:35 GMT", "version": "v3" }, { "created": "Wed, 29 Jul 2009 13:05:31 GMT", "version": "v4" }, { "cr...
2015-05-13
[ [ "Kohri", "Kazunori", "" ], [ "McDonald", "John", "" ], [ "Sahu", "Narendra", "" ] ]
Annihilating dark matter (DM) models based on a scalar hidden sector with Higgs portal-like couplings to the Standard Model are considered as a possible explanation for recently observed cosmic ray excesses. Two versions of the model are studied, one with non-thermal DM as the origin of the boost factor and one with So...
2005.13624
Mariola Klusek-Gawenda
Mariola Klusek-Gawenda and J. Daniel Tapia Takaki
Exclusive four-pion photoproduction in ultra-peripheral heavy-ion collisions at RHIC and LHC energies
12 pages, 4 figures, 2 tables, presented at XXVI Cracow EPIPHANY Conference, LHC Physics: Standard Model and Beyond
null
10.5506/APhysPolB.51.1393
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the photoproduction of exclusive $2\pi^+2\pi^-$ mesons in ultra-peripheral heavy-ion collisions at RHIC and LHC energies. Predictions in photon-nucleus interactions are calculated for various resonances at central and forward rapidities. The recent H1 preliminary data are utilized to improve the description ...
[ { "created": "Wed, 27 May 2020 20:13:35 GMT", "version": "v1" } ]
2020-08-26
[ [ "Klusek-Gawenda", "Mariola", "" ], [ "Takaki", "J. Daniel Tapia", "" ] ]
We study the photoproduction of exclusive $2\pi^+2\pi^-$ mesons in ultra-peripheral heavy-ion collisions at RHIC and LHC energies. Predictions in photon-nucleus interactions are calculated for various resonances at central and forward rapidities. The recent H1 preliminary data are utilized to improve the description of...
1910.07396
Elisabetta Perotti
Olov Junker, Stefan Leupold, Elisabetta Perotti, Timea Vitos (Uppsala U.)
The electromagnetic form factors of the transition from the spin-3/2 Sigma to the Lambda hyperon
28 pages
Phys. Rev. C 101, 015206 (2020)
10.1103/PhysRevC.101.015206
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The three electromagnetic form factors for the transition from a 3/2+ Sigma* hyperon to the ground-state Lambda hyperon are studied. At low energies, combinations of the transition form factors can be deduced from Dalitz decays of the Sigma* hyperon to Lambda plus an electron-positron pair. It is pointed out how more...
[ { "created": "Wed, 16 Oct 2019 15:02:28 GMT", "version": "v1" } ]
2020-01-22
[ [ "Junker", "Olov", "", "Uppsala\n U." ], [ "Leupold", "Stefan", "", "Uppsala\n U." ], [ "Perotti", "Elisabetta", "", "Uppsala\n U." ], [ "Vitos", "Timea", "", "Uppsala\n U." ] ]
The three electromagnetic form factors for the transition from a 3/2+ Sigma* hyperon to the ground-state Lambda hyperon are studied. At low energies, combinations of the transition form factors can be deduced from Dalitz decays of the Sigma* hyperon to Lambda plus an electron-positron pair. It is pointed out how more i...
2201.12997
Kechen Wang
Haiyong Gu and Kechen Wang
Search for heavy Majorana neutrinos at electron-proton colliders
14 pages, 9 figures, 3 tables; contents are slightly updated and typos are fixed
null
10.1103/PhysRevD.106.015006
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We develop the search strategy for a heavy Majorana neutrino via the lepton number violation signal process $p\, e^- \to \mu^+ jjj$ at future electron-proton colliders. The signal and dominant standard model background events are generated with the fast detector simulation. We apply the pre-selection criteria and per...
[ { "created": "Mon, 31 Jan 2022 05:00:18 GMT", "version": "v1" }, { "created": "Fri, 18 Feb 2022 04:22:37 GMT", "version": "v2" }, { "created": "Fri, 22 Jul 2022 01:25:04 GMT", "version": "v3" } ]
2022-07-25
[ [ "Gu", "Haiyong", "" ], [ "Wang", "Kechen", "" ] ]
We develop the search strategy for a heavy Majorana neutrino via the lepton number violation signal process $p\, e^- \to \mu^+ jjj$ at future electron-proton colliders. The signal and dominant standard model background events are generated with the fast detector simulation. We apply the pre-selection criteria and perfo...
hep-ph/9505445
Alexander Ignatiev
A.Yu.Ignatiev and G.C.Joshi
Magnetic Monopole and the Finite Photon Mass: Are They Compatible?
12 pages, revtex, no figures
Mod.Phys.Lett. A11 (1996) 2735-2741
10.1142/S0217732396002733
UM-P-94/133; RCHEP-94/37
hep-ph hep-th
null
We analyze the role played by the gauge invariance for the existence of Dirac monopole. To this end, we consider the electrodynamics with massive photon and ask if the magnetic charge can be introduced there. We show that the derivation of the Dirac quantization condition based on the angular momentum algebra cannot ...
[ { "created": "Thu, 1 Jun 1995 05:50:53 GMT", "version": "v1" } ]
2015-06-25
[ [ "Ignatiev", "A. Yu.", "" ], [ "Joshi", "G. C.", "" ] ]
We analyze the role played by the gauge invariance for the existence of Dirac monopole. To this end, we consider the electrodynamics with massive photon and ask if the magnetic charge can be introduced there. We show that the derivation of the Dirac quantization condition based on the angular momentum algebra cannot be...
2403.16894
Matteo Maltoni
C\'eline Degrande and Matteo Maltoni
EFT observable stability under NLO corrections through interference revival
12 pages, 12 figures
null
null
IRMP-CP3-24-09
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We illustrate the importance of interference revival when higher order corrections are included, by presenting LO and NLO differential cross-sections and $K$-factors for three processes that are sensitive to the dimension-6 SMEFT operator $O_W$ : $Z$-plus-two-jets ($Zjj$) production through Vector Boson Fusion (VBF),...
[ { "created": "Mon, 25 Mar 2024 16:05:35 GMT", "version": "v1" } ]
2024-03-26
[ [ "Degrande", "Céline", "" ], [ "Maltoni", "Matteo", "" ] ]
We illustrate the importance of interference revival when higher order corrections are included, by presenting LO and NLO differential cross-sections and $K$-factors for three processes that are sensitive to the dimension-6 SMEFT operator $O_W$ : $Z$-plus-two-jets ($Zjj$) production through Vector Boson Fusion (VBF), l...
1403.2244
Anna-Zuzana Dubnickova
S. Dubnicka, A.Z. Dubnickova, A. Liptaj
Pion scalar form factor and model independent values of $f_0(500)$ and $f_0(980)$ meson parameters
13 pages, 3 figures, submitted to Phys.Rev.D
Phys. Rev. D 90, 114003 (2014)
10.1103/PhysRevD.90.114003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The pion scalar form factor along with all existing S-wave iso-scalar $\pi\pi$-scattering phase shift data in the elastic region up to $1 {\rm GeV}^2$ are applied for a determination of the $f_0(500)$ and $f_0(980)$ meson parameters $m_{f_0(500)}=(360\pm33){\rm MeV}$, $\Gamma_{f_0(500)}=(587\pm 85){\rm MeV}$ and $m_{...
[ { "created": "Mon, 10 Mar 2014 14:07:53 GMT", "version": "v1" } ]
2014-12-10
[ [ "Dubnicka", "S.", "" ], [ "Dubnickova", "A. Z.", "" ], [ "Liptaj", "A.", "" ] ]
The pion scalar form factor along with all existing S-wave iso-scalar $\pi\pi$-scattering phase shift data in the elastic region up to $1 {\rm GeV}^2$ are applied for a determination of the $f_0(500)$ and $f_0(980)$ meson parameters $m_{f_0(500)}=(360\pm33){\rm MeV}$, $\Gamma_{f_0(500)}=(587\pm 85){\rm MeV}$ and $m_{f_...
2402.03622
Guang-You Qin
Yu-Fei Liu, Wen-Jing Xing, Xiang-Yu Wu, Shanshan Cao, Guang-You Qin, Shu-Qing Li
Charmed hadron chemistry and flow in heavy and light ion collisions at the LHC
12 pages, 10 figures
null
null
null
hep-ph nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the charmed meson and baryon production and elliptic flow in ultra-relativistic nucleus-nucleus collisions at the LHC energies. The space-time evolution of quark-gluon plasma (QGP) produced in these energetic collisions is obtained via the (3+1)-dimensional CLVisc hydrodynamics model, the heavy quark dynamic...
[ { "created": "Tue, 6 Feb 2024 01:15:08 GMT", "version": "v1" } ]
2024-02-07
[ [ "Liu", "Yu-Fei", "" ], [ "Xing", "Wen-Jing", "" ], [ "Wu", "Xiang-Yu", "" ], [ "Cao", "Shanshan", "" ], [ "Qin", "Guang-You", "" ], [ "Li", "Shu-Qing", "" ] ]
We study the charmed meson and baryon production and elliptic flow in ultra-relativistic nucleus-nucleus collisions at the LHC energies. The space-time evolution of quark-gluon plasma (QGP) produced in these energetic collisions is obtained via the (3+1)-dimensional CLVisc hydrodynamics model, the heavy quark dynamics ...
1407.7503
Felix Karbstein
Felix Karbstein, Antje Peters, Marc Wagner
$\Lambda_{\bar{\textrm{MS}}}^{(n_f=2)}$ from a momentum space analysis of the quark-antiquark static potential
30 pages, 6 figures; some clarifications added, matches journal version
JHEP 09 (2014) 144
10.1007/JHEP09(2014)114
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We determine $\Lambda_{\bar{\textrm{MS}}}^{(n_f=2)}$ by fitting perturbative expressions for the quark-antiquark static potential to lattice results for QCD with $n_f=2$ dynamical quark flavors. To this end we use the perturbative static potential at the presently best known accuracy, i.e. up to ${\cal O}(\alpha_s^4)...
[ { "created": "Mon, 28 Jul 2014 19:18:25 GMT", "version": "v1" }, { "created": "Tue, 30 Sep 2014 15:32:25 GMT", "version": "v2" } ]
2014-10-01
[ [ "Karbstein", "Felix", "" ], [ "Peters", "Antje", "" ], [ "Wagner", "Marc", "" ] ]
We determine $\Lambda_{\bar{\textrm{MS}}}^{(n_f=2)}$ by fitting perturbative expressions for the quark-antiquark static potential to lattice results for QCD with $n_f=2$ dynamical quark flavors. To this end we use the perturbative static potential at the presently best known accuracy, i.e. up to ${\cal O}(\alpha_s^4)$,...
1412.3791
Marco Bonvini
Marco Bonvini, Luca Rottoli
The three loop soft function for N$^3$LL$^\prime$ gluon fusion Higgs production in SCET
6 pages, 1 figure. Final version to be published in PRD
Phys. Rev. D 91, 051301 (2015)
10.1103/PhysRevD.91.051301
OUTP-14-19P
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We derive the three loop soft function for inclusive Higgs production in gluon fusion, and use it to perform the resummation of the Higgs cross section at N$^3$LL$^\prime$ in SCET. We improve the accuracy of the resummation by including contributions of collinear origin. We include finite top, bottom and charm mass e...
[ { "created": "Thu, 11 Dec 2014 20:38:26 GMT", "version": "v1" }, { "created": "Fri, 13 Feb 2015 09:50:36 GMT", "version": "v2" } ]
2015-03-11
[ [ "Bonvini", "Marco", "" ], [ "Rottoli", "Luca", "" ] ]
We derive the three loop soft function for inclusive Higgs production in gluon fusion, and use it to perform the resummation of the Higgs cross section at N$^3$LL$^\prime$ in SCET. We improve the accuracy of the resummation by including contributions of collinear origin. We include finite top, bottom and charm mass eff...
0809.2661
Javier Virto
Javier Virto
Pade Unitarizations: A Critical Look
4 pages, 4 figures. To appear in the proceedings of QCD'08
Nucl.Phys.Proc.Suppl.186:161-164,2009
10.1016/j.nuclphysbps.2008.12.038
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We use the Linear Sigma Model to test the convergence of different sequences of Pade Approximants when used to unitarize the low energy pi-pi scattering amplitude. We find that, in this particular case, diagonal sequences reproduce the sigma pole with high accuracy, as opposed to other sequences that have been discus...
[ { "created": "Tue, 16 Sep 2008 08:50:57 GMT", "version": "v1" } ]
2010-04-21
[ [ "Virto", "Javier", "" ] ]
We use the Linear Sigma Model to test the convergence of different sequences of Pade Approximants when used to unitarize the low energy pi-pi scattering amplitude. We find that, in this particular case, diagonal sequences reproduce the sigma pole with high accuracy, as opposed to other sequences that have been discusse...
2106.01437
Alexander Manashov
V. M. Braun, A. N. Manashov, S. Moch, J. Schoenleber
The axial-vector contributions in two-photon reactions: pion transition form factor and deeply-virtual Compton scattering at NNLO in QCD
Published version. Two misprints corrected in the ancillary file
null
10.1103/PhysRevD.104.094007
DESY 21--068
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the approach based on conformal symmetry we calculate the two-loop coefficient function for the axial-vector contributions to two-photon processes in the $\overline{\rm MS}$ scheme. This is the last missing element for the complete next-to-next-to-leading order (NNLO) calculation of the the pion transition form...
[ { "created": "Wed, 2 Jun 2021 19:40:01 GMT", "version": "v1" }, { "created": "Thu, 21 Oct 2021 14:26:13 GMT", "version": "v2" } ]
2021-11-17
[ [ "Braun", "V. M.", "" ], [ "Manashov", "A. N.", "" ], [ "Moch", "S.", "" ], [ "Schoenleber", "J.", "" ] ]
Using the approach based on conformal symmetry we calculate the two-loop coefficient function for the axial-vector contributions to two-photon processes in the $\overline{\rm MS}$ scheme. This is the last missing element for the complete next-to-next-to-leading order (NNLO) calculation of the the pion transition form f...
2309.14631
Katsuyoshi Sone
Katsuyoshi Sone and Tetsuo Hyodo
Near-threshold hadron scattering with effective field theory
4 pages, 1 figure, Proceedings of 17th International Workshop on Meson Physics (MESON2023), 22nd - 27th June, 2023
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
When an exotic hadron locates near the threshold with the channel couplings, the internal structure of the exotic hadron is related to the scattering length. To incorporate the threshold effect, the Flatt\'{e} amplitude has been often used to determine the scattering length. It is however known that an additional con...
[ { "created": "Tue, 26 Sep 2023 03:10:57 GMT", "version": "v1" } ]
2023-09-27
[ [ "Sone", "Katsuyoshi", "" ], [ "Hyodo", "Tetsuo", "" ] ]
When an exotic hadron locates near the threshold with the channel couplings, the internal structure of the exotic hadron is related to the scattering length. To incorporate the threshold effect, the Flatt\'{e} amplitude has been often used to determine the scattering length. It is however known that an additional const...
hep-ph/0510381
Masakiyo Kitazawa
Masakiyo Kitazawa, Teiji Kunihiro, and Yukio Nemoto
Quasiparticle Picture of Quarks near Chiral Phase Transition
4 pages, 5 eps figures, to appear in the proceedings of 18th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions: Quark Matter 2005 (QM 2005), Budapest, Hungary, 4-9 Aug 2005
Acta Phys.Hung. A27 (2006) 343-346
10.1556/APH.27.2006.2-3.36
null
hep-ph
null
We study how the quasiparticle picture of the quark can be modified near but above the critical tempearture (Tc) of the chiral phase transition; we incorporate into the quark self-energy the effects of the precursory soft modes of the phase transition, i.e., `para-\sigma(\pi) meson'. It is found that the quark spectr...
[ { "created": "Fri, 28 Oct 2005 15:09:11 GMT", "version": "v1" } ]
2009-11-11
[ [ "Kitazawa", "Masakiyo", "" ], [ "Kunihiro", "Teiji", "" ], [ "Nemoto", "Yukio", "" ] ]
We study how the quasiparticle picture of the quark can be modified near but above the critical tempearture (Tc) of the chiral phase transition; we incorporate into the quark self-energy the effects of the precursory soft modes of the phase transition, i.e., `para-\sigma(\pi) meson'. It is found that the quark spectrum...
1603.07000
Jorge Segovia
Pablo G. Ortega, Jorge Segovia, David R. Entem and Francisco Fernandez
Molecular components in P-wave charmed-strange mesons
11 pages, 3 figures, 7 tables
Phys. Rev. D 94, 074037 (2016)
10.1103/PhysRevD.94.074037
null
hep-ph hep-ex hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Results obtained by various experiments show that the $D_{s0}^{\ast}(2317)$ and $D_{s1}(2460)$ mesons are very narrow states located below the $DK$ and $D^{\ast}K$ thresholds, respectively. This is markedly in contrast with the expectations of naive quark models and heavy quark symmetry. Motivated by a recent lattice...
[ { "created": "Tue, 22 Mar 2016 21:50:20 GMT", "version": "v1" }, { "created": "Thu, 31 Mar 2016 13:28:51 GMT", "version": "v2" }, { "created": "Sat, 23 Jul 2016 06:33:31 GMT", "version": "v3" } ]
2016-11-02
[ [ "Ortega", "Pablo G.", "" ], [ "Segovia", "Jorge", "" ], [ "Entem", "David R.", "" ], [ "Fernandez", "Francisco", "" ] ]
Results obtained by various experiments show that the $D_{s0}^{\ast}(2317)$ and $D_{s1}(2460)$ mesons are very narrow states located below the $DK$ and $D^{\ast}K$ thresholds, respectively. This is markedly in contrast with the expectations of naive quark models and heavy quark symmetry. Motivated by a recent lattice s...
1406.7408
Renato Zamora
Alejandro Ayala, M. Loewe, R. Zamora
Inverse magnetic catalysis in the linear sigma model with quarks
8 pages, 8 figures. arXiv admin note: substantial text overlap with arXiv:1406.3885. Accepted for publication in Phys. Rev. D
Phys. Rev. D 91, 016002 (2015)
10.1103/PhysRevD.91.016002
null
hep-ph hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the critical temperature for the chiral transition in the background of a magnetic field in the linear sigma model, including the quark contribution and the thermo-magnetic effects induced on the coupling constants at one loop level. We show that the critical temperature decreases as a function of the fiel...
[ { "created": "Sat, 28 Jun 2014 14:40:19 GMT", "version": "v1" }, { "created": "Fri, 19 Dec 2014 21:33:04 GMT", "version": "v2" } ]
2015-01-14
[ [ "Ayala", "Alejandro", "" ], [ "Loewe", "M.", "" ], [ "Zamora", "R.", "" ] ]
We compute the critical temperature for the chiral transition in the background of a magnetic field in the linear sigma model, including the quark contribution and the thermo-magnetic effects induced on the coupling constants at one loop level. We show that the critical temperature decreases as a function of the field ...
2011.13225
Bibhabasu De
Debottam Das (Bhubaneswar, Inst. Phys. and HBNI, Mumbai), Bibhabasu De (Bhubaneswar, Inst. Phys. and HBNI, Mumbai) and Subhadip Mitra (Hyderabad, IIIT)
Cancellation in Dark Matter-Nucleon Interactions: the Role of Non-Standard-Model-like Yukawa Couplings
16 pages, 4 figures, minor modification in text
Physics Letters B 815 (2021) 136159
10.1016/j.physletb.2021.136159
IP-BBSR/2020-6
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Extensive searches to probe the particle nature of dark matter (DM) have been going on for some decades now but, so far, no conclusive evidence has been found. Among various options, the Weakly Interacting Massive Particles (WIMP) remains one of the prime possibilities as candidates for DM near the TeV scale. Taking ...
[ { "created": "Thu, 26 Nov 2020 10:51:30 GMT", "version": "v1" }, { "created": "Fri, 26 Feb 2021 09:12:57 GMT", "version": "v2" } ]
2021-03-01
[ [ "Das", "Debottam", "", "Bhubaneswar, Inst. Phys. and HBNI, Mumbai" ], [ "De", "Bibhabasu", "", "Bhubaneswar, Inst. Phys. and HBNI, Mumbai" ], [ "Mitra", "Subhadip", "", "Hyderabad,\n IIIT" ] ]
Extensive searches to probe the particle nature of dark matter (DM) have been going on for some decades now but, so far, no conclusive evidence has been found. Among various options, the Weakly Interacting Massive Particles (WIMP) remains one of the prime possibilities as candidates for DM near the TeV scale. Taking a ...
2109.06802
Harri Waltari
Yi Liu, Stefano Moretti and Harri Waltari
Measuring neutrino dynamics in NMSSM with a right-handed sneutrino LSP at the ILC
16 pages, 6 figures. Matches the version accepted to JHEP
JHEP 01 (2022) 034
10.1007/JHEP01(2022)034
null
hep-ph
http://creativecommons.org/licenses/by-nc-sa/4.0/
We study the possibility of measuring neutrino Yukawa couplings in the Next-to-Minimal Supersymmetric Standard Model with right-handed neutrinos (NMSSMr) when the lightest right-handed sneutrino is the Dark Matter (DM) candidate, by exploiting a `dijet + dilepton + Missing Transverse Energy' signature. We show that, ...
[ { "created": "Tue, 14 Sep 2021 16:27:13 GMT", "version": "v1" }, { "created": "Tue, 11 Jan 2022 11:35:03 GMT", "version": "v2" } ]
2022-01-12
[ [ "Liu", "Yi", "" ], [ "Moretti", "Stefano", "" ], [ "Waltari", "Harri", "" ] ]
We study the possibility of measuring neutrino Yukawa couplings in the Next-to-Minimal Supersymmetric Standard Model with right-handed neutrinos (NMSSMr) when the lightest right-handed sneutrino is the Dark Matter (DM) candidate, by exploiting a `dijet + dilepton + Missing Transverse Energy' signature. We show that, co...
1502.05642
D.N. Triantafyllopoulos
E. Iancu, J.D. Madrigal, A.H. Mueller, G. Soyez, D.N. Triantafyllopoulos
Resumming double logarithms in the QCD evolution of color dipoles
16 pages, 5 figures
null
10.1016/j.physletb.2015.03.068
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The higher-order perturbative corrections, beyond leading logarithmic accuracy, to the BFKL evolution in QCD at high energy are well known to suffer from a severe lack-of-convergence problem, due to radiative corrections enhanced by double collinear logarithms. Via an explicit calculation of Feynman graphs in light c...
[ { "created": "Thu, 19 Feb 2015 17:31:53 GMT", "version": "v1" } ]
2015-06-23
[ [ "Iancu", "E.", "" ], [ "Madrigal", "J. D.", "" ], [ "Mueller", "A. H.", "" ], [ "Soyez", "G.", "" ], [ "Triantafyllopoulos", "D. N.", "" ] ]
The higher-order perturbative corrections, beyond leading logarithmic accuracy, to the BFKL evolution in QCD at high energy are well known to suffer from a severe lack-of-convergence problem, due to radiative corrections enhanced by double collinear logarithms. Via an explicit calculation of Feynman graphs in light con...
1603.01388
Per Osland
B. Grzadkowski, O. M. Ogreid, P. Osland
CP-Violation in the $ZZZ$ and $ZWW$ vertices at $e^+e^-$ colliders in Two-Higgs-Doublet Models
28 pages, v2: Signs in Eqs. (3.4) and (A.4) corrected, confirming result of arXiv:1710.05563. Fig. 2 corrected
null
10.1007/JHEP05(2016)025
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss possibilities of measuring CP violation in the Two-Higgs-Doublet Model by studying effects of one-loop generated $ZZZ$ and $ZWW$ vertices. We discuss a set of CP-sensitive asymmetries for $ZZ$ and $W^+W^-$ production at linear $e^+e^-$-colliders, that directly depends on the weak-basis invariant Im $J_2$ t...
[ { "created": "Fri, 4 Mar 2016 09:19:22 GMT", "version": "v1" }, { "created": "Fri, 24 Nov 2017 15:58:26 GMT", "version": "v2" } ]
2017-11-27
[ [ "Grzadkowski", "B.", "" ], [ "Ogreid", "O. M.", "" ], [ "Osland", "P.", "" ] ]
We discuss possibilities of measuring CP violation in the Two-Higgs-Doublet Model by studying effects of one-loop generated $ZZZ$ and $ZWW$ vertices. We discuss a set of CP-sensitive asymmetries for $ZZ$ and $W^+W^-$ production at linear $e^+e^-$-colliders, that directly depends on the weak-basis invariant Im $J_2$ tha...
hep-ph/9706410
null
I.I. Balitsky and A.V. Radyushkin
Light-Ray Evolution Equations and Leading-Twist Parton Helicity-Dependent Nonforward Distributions
8 pages; final version, to appear in Physics Letters B
Phys.Lett.B413:114-121,1997
10.1016/S0370-2693(97)01095-2
JLAB-THY-97-21
hep-ph
null
We discuss the calculation of the evolution kernels \Delta W_{\zeta}(X,Z) for the leading-twist nonforward parton distributions G_\zeta(X,t) sensitive to parton helicities. We present our results for the kernels governing evolution of the relevant light-ray operators and describe a simple method allowing to obtain fr...
[ { "created": "Wed, 18 Jun 1997 18:52:34 GMT", "version": "v1" }, { "created": "Mon, 23 Jun 1997 21:30:59 GMT", "version": "v2" }, { "created": "Mon, 15 Sep 1997 19:41:18 GMT", "version": "v3" } ]
2014-11-17
[ [ "Balitsky", "I. I.", "" ], [ "Radyushkin", "A. V.", "" ] ]
We discuss the calculation of the evolution kernels \Delta W_{\zeta}(X,Z) for the leading-twist nonforward parton distributions G_\zeta(X,t) sensitive to parton helicities. We present our results for the kernels governing evolution of the relevant light-ray operators and describe a simple method allowing to obtain from...