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1405.3530
Wan-Il Park
Seungwon Baek, P. Ko, Wan-Il Park
Invisible Higgs Decay Width vs. Dark Matter Direct Detection Cross Section in Higgs Portal Dark Matter Models
6 pages, 2 figures
Phys. Rev. D 90, 055014 (2014)
10.1103/PhysRevD.90.055014
null
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The correlation between the invisible Higgs branching ratio ($B_h^{\rm inv} $) vs. dark matter (DM) direct detection ($\sigma_p^{\rm SI}$) in Higgs portal DM models is usually presented in the effective field theory (EFT) framework. This is fine for singlet scalar DM, but not in the singlet fermion DM (SFDM) or vecto...
[ { "created": "Wed, 14 May 2014 15:14:48 GMT", "version": "v1" } ]
2014-09-17
[ [ "Baek", "Seungwon", "" ], [ "Ko", "P.", "" ], [ "Park", "Wan-Il", "" ] ]
The correlation between the invisible Higgs branching ratio ($B_h^{\rm inv} $) vs. dark matter (DM) direct detection ($\sigma_p^{\rm SI}$) in Higgs portal DM models is usually presented in the effective field theory (EFT) framework. This is fine for singlet scalar DM, but not in the singlet fermion DM (SFDM) or vector ...
hep-ph/0106001
J. Lorenzo Diaz-Cruz
J.L. Diaz-Cruz, J. Hernandez-Sanchez and J.J. Toscano
An effective lagrangian description of charged Higgs decays H^+ -> Wg, WZ and Wh
15 pages, 3 figures
Phys.Lett.B512:339-348,2001
10.1016/S0370-2693(01)00703-1
HEP-IFUAp-02-01
hep-ph
null
Charged Higgs decays are discussed within an effective lagrangian extension of the two-higgs doublet model, assuming new physics appearing in the Higgs sector of this model. Low energy constrains are used to imposse bounds on certain dimension -six operators that describe the modified charged Higgs interactions. Thes...
[ { "created": "Fri, 1 Jun 2001 00:45:22 GMT", "version": "v1" } ]
2011-03-23
[ [ "Diaz-Cruz", "J. L.", "" ], [ "Hernandez-Sanchez", "J.", "" ], [ "Toscano", "J. J.", "" ] ]
Charged Higgs decays are discussed within an effective lagrangian extension of the two-higgs doublet model, assuming new physics appearing in the Higgs sector of this model. Low energy constrains are used to imposse bounds on certain dimension -six operators that describe the modified charged Higgs interactions. These ...
2004.04159
Patrick Komiske
Patrick T. Komiske, Eric M. Metodiev, Jesse Thaler
The Hidden Geometry of Particle Collisions
56 pages, 11 figures, 5 tables; v2: minor changes and updated references; v3: updated to match JHEP version
null
10.1007/JHEP07(2020)006
MIT-CTP 5185
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We establish that many fundamental concepts and techniques in quantum field theory and collider physics can be naturally understood and unified through a simple new geometric language. The idea is to equip the space of collider events with a metric, from which other geometric objects can be rigorously defined. Our an...
[ { "created": "Wed, 8 Apr 2020 18:00:00 GMT", "version": "v1" }, { "created": "Tue, 21 Apr 2020 17:03:10 GMT", "version": "v2" }, { "created": "Tue, 30 Jun 2020 22:36:29 GMT", "version": "v3" } ]
2020-07-15
[ [ "Komiske", "Patrick T.", "" ], [ "Metodiev", "Eric M.", "" ], [ "Thaler", "Jesse", "" ] ]
We establish that many fundamental concepts and techniques in quantum field theory and collider physics can be naturally understood and unified through a simple new geometric language. The idea is to equip the space of collider events with a metric, from which other geometric objects can be rigorously defined. Our anal...
0812.3477
Vladimir Galkin
D. Ebert, R. N. Faustov, V. O. Galkin
Relativistic model of hidden bottom tetraquarks
6 pages
Mod.Phys.Lett.A24:567-573,2009
10.1142/S0217732309030357
HU-EP-08/68
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The relativistic model of the ground state and excited heavy tetraquarks with hidden bottom is formulated within the diquark-antidiquark picture. The diquark structure is taken into account by calculating the diquark-gluon vertex in terms of the diquark wave functions. Predictions for the masses of bottom counterpart...
[ { "created": "Thu, 18 Dec 2008 08:42:27 GMT", "version": "v1" } ]
2009-04-17
[ [ "Ebert", "D.", "" ], [ "Faustov", "R. N.", "" ], [ "Galkin", "V. O.", "" ] ]
The relativistic model of the ground state and excited heavy tetraquarks with hidden bottom is formulated within the diquark-antidiquark picture. The diquark structure is taken into account by calculating the diquark-gluon vertex in terms of the diquark wave functions. Predictions for the masses of bottom counterparts ...
2206.13161
Henri H\"anninen
G. Beuf, H. H\"anninen, T. Lappi, Y. Mulian, H. M\"antysaari
Diffractive deep inelastic scattering at NLO in the dipole picture: the $q \bar q g$ contribution
32 pages, 12 figures
null
10.1103/PhysRevD.106.094014
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself and a part of the full next-to-leading order result for the diffractive structure functions. We perform the calculation in ...
[ { "created": "Mon, 27 Jun 2022 10:10:34 GMT", "version": "v1" } ]
2022-11-23
[ [ "Beuf", "G.", "" ], [ "Hänninen", "H.", "" ], [ "Lappi", "T.", "" ], [ "Mulian", "Y.", "" ], [ "Mäntysaari", "H.", "" ] ]
We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself and a part of the full next-to-leading order result for the diffractive structure functions. We perform the calculation in ex...
hep-ph/0309258
Khorramian
Ali N. Khorramian, A. Mirjalili and S. Atashbar Tehrani
Polarized parton distribution functions in the valon model framework, using QCD fits to Bernstein polynomials
Contribution to the International Workshop on QCD: QCD@Work 2003 -Conversano (Italy) 14-18 June 2003 (eConf C030614)
null
null
null
hep-ph
null
In this paper polarized valon distribution is derived from unpolarized valon distribution. In driving polarized valon distribution some unknown parameters exist which must be determined by fitting to experimental data. Here we have used Bernstein polynomial method to fit QCD predictions for the moments of $g_1^p$ str...
[ { "created": "Tue, 23 Sep 2003 08:10:58 GMT", "version": "v1" } ]
2007-05-23
[ [ "Khorramian", "Ali N.", "" ], [ "Mirjalili", "A.", "" ], [ "Tehrani", "S. Atashbar", "" ] ]
In this paper polarized valon distribution is derived from unpolarized valon distribution. In driving polarized valon distribution some unknown parameters exist which must be determined by fitting to experimental data. Here we have used Bernstein polynomial method to fit QCD predictions for the moments of $g_1^p$ struc...
0807.5097
Joerg Jaeckel
Joerg Jaeckel
WISP hunting - some new experimental ideas
5 pages, 3 figures. Contribution to the ``4th Patras Workshop on Axions, WIMPs and WISPs'', 18-21 June 2008, Hamburg, Germany
null
null
IPPP/08/57; DCPT/08/114
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present several new ideas on how to search for weakly interacting sub-eV particles in laboratory experiments. The first experiment is sensitive to minicharged particles. It exploits that in strong electric fields particle - antiparticle pairs are produced by the Schwinger mechanism. The charged particles move alon...
[ { "created": "Thu, 31 Jul 2008 16:00:30 GMT", "version": "v1" } ]
2008-08-01
[ [ "Jaeckel", "Joerg", "" ] ]
We present several new ideas on how to search for weakly interacting sub-eV particles in laboratory experiments. The first experiment is sensitive to minicharged particles. It exploits that in strong electric fields particle - antiparticle pairs are produced by the Schwinger mechanism. The charged particles move along ...
1402.5065
Sebastian Sapeta
A. van Hameren, P. Kotko, K. Kutak, C. Marquet and S. Sapeta
Saturation effects in forward-forward dijet production in p+Pb collisions
13 pages, 4 figures; v2: added figure 4, several clarifying sentences and a reference; version accepted by PRD
Phys. Rev. D 89, 094014 (2014)
10.1103/PhysRevD.89.094014
CERN-PH-TH/2014-029, CPHT-RR005.0214, IFJPAN-IV-2014-2
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study saturation effects in the production of forward dijets in proton-lead collisions at the Large Hadron Collider, using the framework of High Energy Factorization. Such configurations, with both jets produced in the forward direction, probe the gluon density of the lead nucleus at small longitudinal momentum fr...
[ { "created": "Thu, 20 Feb 2014 16:44:25 GMT", "version": "v1" }, { "created": "Wed, 18 Jun 2014 15:42:42 GMT", "version": "v2" } ]
2014-06-19
[ [ "van Hameren", "A.", "" ], [ "Kotko", "P.", "" ], [ "Kutak", "K.", "" ], [ "Marquet", "C.", "" ], [ "Sapeta", "S.", "" ] ]
We study saturation effects in the production of forward dijets in proton-lead collisions at the Large Hadron Collider, using the framework of High Energy Factorization. Such configurations, with both jets produced in the forward direction, probe the gluon density of the lead nucleus at small longitudinal momentum frac...
hep-ph/0512330
Makiko Nio
T. Kinoshita and M. Nio
The Tenth-Order QED Contribution to the Lepton g-2: Evaluation of Dominant $\alpha^5$ Terms of Muon g-2
47 pages, 8 figures.A_2^{(10)} is increased to 663(20)
Phys.Rev. D73 (2006) 053007
10.1103/PhysRevD.73.053007
null
hep-ph
null
The QED contribution to the anomalous magnetic moments of electron and muon are known very precisely up to the order $\alpha^4$. However, the knowledge of $\alpha^5$ term will also be required when the precision of measurement improves further. This paper reports the first systematic attempt to evaluate the $\alpha^5...
[ { "created": "Mon, 26 Dec 2005 07:51:24 GMT", "version": "v1" }, { "created": "Tue, 7 Mar 2006 02:36:03 GMT", "version": "v2" } ]
2009-11-11
[ [ "Kinoshita", "T.", "" ], [ "Nio", "M.", "" ] ]
The QED contribution to the anomalous magnetic moments of electron and muon are known very precisely up to the order $\alpha^4$. However, the knowledge of $\alpha^5$ term will also be required when the precision of measurement improves further. This paper reports the first systematic attempt to evaluate the $\alpha^5$ ...
hep-ph/0511136
Alejandro Ibarra
Alejandro Ibarra
Reconstructing the two right-handed neutrino model
28 pages, 4 figures. Typos corrected, references added
JHEP 0601 (2006) 064
10.1088/1126-6708/2006/01/064
null
hep-ph
null
In this paper we propose a low-energy parametrization of the two right-handed neutrino model, and discuss the prospects to determine experimentally these parameters in supersymmetric scenarios. In addition, we present exact formulas to reconstruct the high-energy leptonic superpotential in terms of the low-energy obs...
[ { "created": "Thu, 10 Nov 2005 18:11:24 GMT", "version": "v1" }, { "created": "Wed, 16 Nov 2005 14:23:23 GMT", "version": "v2" }, { "created": "Mon, 9 Jan 2006 11:00:31 GMT", "version": "v3" } ]
2009-11-11
[ [ "Ibarra", "Alejandro", "" ] ]
In this paper we propose a low-energy parametrization of the two right-handed neutrino model, and discuss the prospects to determine experimentally these parameters in supersymmetric scenarios. In addition, we present exact formulas to reconstruct the high-energy leptonic superpotential in terms of the low-energy obser...
hep-ph/0209213
Celso de Camargo Barros Junior
C. C. Barros Jr and M. R. Robilotta
Hyperon scalar form factors
11 pages, 3 figures
Eur.Phys.J.C45:445-450,2006
10.1140/epjc/s2005-02429-0
null
hep-ph
null
We evaluate the long range part of the hyperon form factors and their contribution to elastic pion-hyperon scattering.
[ { "created": "Thu, 19 Sep 2002 00:51:27 GMT", "version": "v1" } ]
2009-01-07
[ [ "Barros", "C. C.", "Jr" ], [ "Robilotta", "M. R.", "" ] ]
We evaluate the long range part of the hyperon form factors and their contribution to elastic pion-hyperon scattering.
hep-ph/9601221
null
K.Melnikov and V.G.Serbo
New type of beam size effect and the $W$-boson production at $\mu^+\mu^-$ colliders
Latex, 8 pages, 2 figures
Phys.Rev.Lett. 76 (1996) 3263-3266
10.1103/PhysRevLett.76.3263
MZ-TH-96-02
hep-ph
null
The cross section for the reactions of the type $\mu^-\mu^+ \to e\bar\nu_e X$ can not be calculated by the standard methods due to the $t$--channel singularity in the physical region. In this letter we show that accounting for the finite sizes of the colliding beams results in the regularization of this singularity. ...
[ { "created": "Sun, 7 Jan 1996 09:50:20 GMT", "version": "v1" } ]
2016-09-01
[ [ "Melnikov", "K.", "" ], [ "Serbo", "V. G.", "" ] ]
The cross section for the reactions of the type $\mu^-\mu^+ \to e\bar\nu_e X$ can not be calculated by the standard methods due to the $t$--channel singularity in the physical region. In this letter we show that accounting for the finite sizes of the colliding beams results in the regularization of this singularity. Th...
hep-ph/9812342
Atsushi Taruya
A.Taruya
Parametric Amplification of Density Perturbation in the Oscillating inflation
11 pages, 5 Encapsulated postscript figures, RevTeX, submitted to Phys.Rev.D
Phys.Rev. D59 (1999) 103505
10.1103/PhysRevD.59.103505
null
hep-ph astro-ph gr-qc
null
We study the adiabatic density perturbation in the {\it oscillating inflation}, proposed by Damour and Mukhanov. The recent study of the cosmological perturbation during reheating shows that the adiabatic fluctuation behaves like as the perfect fluid and no significant amplification occurs on super-horizon scales. In...
[ { "created": "Sat, 12 Dec 1998 02:36:17 GMT", "version": "v1" } ]
2009-10-31
[ [ "Taruya", "A.", "" ] ]
We study the adiabatic density perturbation in the {\it oscillating inflation}, proposed by Damour and Mukhanov. The recent study of the cosmological perturbation during reheating shows that the adiabatic fluctuation behaves like as the perfect fluid and no significant amplification occurs on super-horizon scales. In t...
1805.07096
Li-Ye Xiao
Li-Ye Xiao, Xin-Zhen Weng, Qi-Fang L\"u, Xian-Hui Zhong, and Shi-Lin Zhu
A new decay mode of higher charmonium
8 pages, 4 figures
null
10.1140/epjc/s10052-018-6087-3
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the $\Lambda_c\bar{\Lambda}_c$ partial decay width of the excited vector charmonium states around 4.6 GeV with the quark pair creation model. We find that the partial decay width of the $\Lambda_c\bar{\Lambda}_c$ mode can reach up to several MeV for $\psi(4S,~5S,~6S)$. In contrast, the partial $\Lambda_c...
[ { "created": "Fri, 18 May 2018 08:43:04 GMT", "version": "v1" } ]
2018-08-15
[ [ "Xiao", "Li-Ye", "" ], [ "Weng", "Xin-Zhen", "" ], [ "Lü", "Qi-Fang", "" ], [ "Zhong", "Xian-Hui", "" ], [ "Zhu", "Shi-Lin", "" ] ]
We calculate the $\Lambda_c\bar{\Lambda}_c$ partial decay width of the excited vector charmonium states around 4.6 GeV with the quark pair creation model. We find that the partial decay width of the $\Lambda_c\bar{\Lambda}_c$ mode can reach up to several MeV for $\psi(4S,~5S,~6S)$. In contrast, the partial $\Lambda_c\b...
hep-ph/9612481
Witold Skiba
Witold Skiba (MIT)
Signatures of Pseudo-Goldstone Bosons in Technicolor Theories with the GIM Mechanism
3 pages, LaTeX, 1 figure, uses sprocl.sty. Talk presented at DPF'96, August 10-15 1996 Minneapolis, MN
null
null
MIT-CTP-2596
hep-ph
null
Technicolor models with the GIM mechanism are successful solutions to common problems of technicolor model building. These models have a rich set of new particles and interactions. We present the spectrum of the lightest exotic particles in such models and their signatures in present and future collider experiments.
[ { "created": "Sun, 29 Dec 1996 01:59:51 GMT", "version": "v1" } ]
2007-05-23
[ [ "Skiba", "Witold", "", "MIT" ] ]
Technicolor models with the GIM mechanism are successful solutions to common problems of technicolor model building. These models have a rich set of new particles and interactions. We present the spectrum of the lightest exotic particles in such models and their signatures in present and future collider experiments.
2104.13737
Luciano Abreu
Luciano M. Abreu and Hildeson P. L. Vieira
Quarkonium interactions with (hot) hadronic matter
11 pages, 7 Figures. To appear in European Physical Journal A
Eur. Phys. J. A 57, 163 (2021)
10.1140/epja/s10050-021-00478-9
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, we present an updated study about the interactions of quarkonia with surrounding hadronic medium. The meson-meson interactions are described with a chiral effective Lagrangian within the framework of unitarized coupled channel amplitudes. In particular, we extend a previous work performed in the charmon...
[ { "created": "Wed, 28 Apr 2021 12:54:19 GMT", "version": "v1" } ]
2021-05-28
[ [ "Abreu", "Luciano M.", "" ], [ "Vieira", "Hildeson P. L.", "" ] ]
In this work, we present an updated study about the interactions of quarkonia with surrounding hadronic medium. The meson-meson interactions are described with a chiral effective Lagrangian within the framework of unitarized coupled channel amplitudes. In particular, we extend a previous work performed in the charmoniu...
1112.5387
Pran Nath
K. S. Babu, Ilia Gogoladze, Pran Nath and Raza M. Syed
Variety of SO(10) GUTs with Natural Doublet-Triplet Splitting via the Missing Partner Mechanism
25 pages, 4 tables
null
10.1103/PhysRevD.85.075002
NUB-TH:3267; OSU-HEP-11-09
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a new class of unified SO(10) models where the GUT symmetry breaking down to the standard model gauge group involves just one scale, in contrast to the conventional SO(10) models which require two scales. Further, the models we discuss possess a natural doublet-triplet splitting via the missing partner mec...
[ { "created": "Thu, 22 Dec 2011 17:05:09 GMT", "version": "v1" } ]
2015-06-03
[ [ "Babu", "K. S.", "" ], [ "Gogoladze", "Ilia", "" ], [ "Nath", "Pran", "" ], [ "Syed", "Raza M.", "" ] ]
We present a new class of unified SO(10) models where the GUT symmetry breaking down to the standard model gauge group involves just one scale, in contrast to the conventional SO(10) models which require two scales. Further, the models we discuss possess a natural doublet-triplet splitting via the missing partner mecha...
hep-ph/0301095
Carlos E. Yaguna
S. Pascoli, S. T. Petcov and C. E. Yaguna
Quasi-Degenerate Neutrino Mass Spectrum, \mu -> e + \gamma Decay and Leptogenesis
17 pages, 1 figure; results and conclusions unchanged, typos corrected, references added; version submitted for publication
Phys.Lett.B564:241-254,2003
10.1016/S0370-2693(03)00698-1
Ref. SISSA 1/2003/EP, UCLA/03/TEP/2
hep-ph
null
In a large class of SUSY GUT models with see-saw mechanism of neutrino mass generation, lepton flavor violating (LFV) decays $\mu \to e + \gamma$, $\tau \to \mu + \gamma$, etc., are predicted with rates that are within the reach of present and planned experiments. A crucial element in these predictions is the matrix ...
[ { "created": "Tue, 14 Jan 2003 15:50:15 GMT", "version": "v1" }, { "created": "Tue, 21 Jan 2003 16:09:09 GMT", "version": "v2" } ]
2008-11-26
[ [ "Pascoli", "S.", "" ], [ "Petcov", "S. T.", "" ], [ "Yaguna", "C. E.", "" ] ]
In a large class of SUSY GUT models with see-saw mechanism of neutrino mass generation, lepton flavor violating (LFV) decays $\mu \to e + \gamma$, $\tau \to \mu + \gamma$, etc., are predicted with rates that are within the reach of present and planned experiments. A crucial element in these predictions is the matrix of...
hep-ph/0512050
Gautam Bhattacharyya
Gautam Bhattacharyya, Kumar Rao, K. Sridhar
Studying the effects of minimal length in large extra dimensional models in the jet + missing energy channels at hadron colliders
Latex, 9 pages, 4 PS figs; final version to appear in Eur Phys J C
Eur.Phys.J.C47:839-843,2006
10.1140/epjc/s2006-02609-4
SINP/TNP/05-28, TIFR/TH/05-46
hep-ph
null
Theories of quantum gravity suggest the existence of a minimal length scale. We study the consequences of a particular implementation of the idea of a minimal length scale in the model of large extra dimensions, the ADD model. To do this we have looked at real graviton production in association with a jet at hadron c...
[ { "created": "Sun, 4 Dec 2005 14:46:19 GMT", "version": "v1" }, { "created": "Fri, 2 Jun 2006 07:01:11 GMT", "version": "v2" } ]
2009-01-07
[ [ "Bhattacharyya", "Gautam", "" ], [ "Rao", "Kumar", "" ], [ "Sridhar", "K.", "" ] ]
Theories of quantum gravity suggest the existence of a minimal length scale. We study the consequences of a particular implementation of the idea of a minimal length scale in the model of large extra dimensions, the ADD model. To do this we have looked at real graviton production in association with a jet at hadron col...
2101.00618
Xin Zhang
Shao-Ping Li and Xin Zhang
Freeze-in self-interacting dark matter in warped extra dimension
6 pages, 2 figures, v3:added explanations, matches version published in PLB
null
10.1016/j.physletb.2021.136566
Physics Letters B 820 (2021) 136566
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A classically scale-invariant scalar singlet can be a MeV-scale dark matter, with a feeble Higgs portal coupling at $\mathcal{O}(10^{-10})$. Besides, an $\mathcal{O}(0.1)$ self-interaction coupling could further serve to alleviate the small-scale problems in the Universe. We show that, such a dark matter candidate ca...
[ { "created": "Sun, 3 Jan 2021 12:53:56 GMT", "version": "v1" }, { "created": "Mon, 5 Apr 2021 06:08:16 GMT", "version": "v2" }, { "created": "Mon, 28 Jun 2021 01:57:33 GMT", "version": "v3" }, { "created": "Sat, 14 Aug 2021 08:14:24 GMT", "version": "v4" } ]
2021-08-17
[ [ "Li", "Shao-Ping", "" ], [ "Zhang", "Xin", "" ] ]
A classically scale-invariant scalar singlet can be a MeV-scale dark matter, with a feeble Higgs portal coupling at $\mathcal{O}(10^{-10})$. Besides, an $\mathcal{O}(0.1)$ self-interaction coupling could further serve to alleviate the small-scale problems in the Universe. We show that, such a dark matter candidate can ...
1108.0090
Natalia Radchenko
V. A. Abramovsky, N. V. Radchenko
Total cross section of neutron-proton scattering at low energies in quark-gluon model
8 pages, 4 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that analysis of nonrelativistic neutron-proton scattering in a framework of relativistic QCD based quark model can give important information about QCD vacuum structure. In this model we describe total cross section of neutron-proton scattering at kinetic energies of projectile neutron from 1 eV up to 1 MeV....
[ { "created": "Sat, 30 Jul 2011 17:55:53 GMT", "version": "v1" } ]
2011-08-02
[ [ "Abramovsky", "V. A.", "" ], [ "Radchenko", "N. V.", "" ] ]
We show that analysis of nonrelativistic neutron-proton scattering in a framework of relativistic QCD based quark model can give important information about QCD vacuum structure. In this model we describe total cross section of neutron-proton scattering at kinetic energies of projectile neutron from 1 eV up to 1 MeV.
1910.06065
Chen Bing
Bing Chen, Ailin Zhang, Jin He
Bottomonium spectrum in the relativistic flux tube model
11 pages, 3 figures, 8 tables, published version
Phys. Rev. D 101, 014020 (2020)
10.1103/PhysRevD.101.014020
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The bottomonium spectrum is far from being established. The structures of higher vector states, including the $\Upsilon(10580)$, $\Upsilon(10860)$, and $\Upsilon(11020)$ states, are still in dispute. In addition, whether the $\Upsilon(10750)$ signal which was recently observed by the Belle Collaboration is a normal $...
[ { "created": "Mon, 14 Oct 2019 12:05:54 GMT", "version": "v1" }, { "created": "Sun, 20 Oct 2019 11:46:33 GMT", "version": "v2" }, { "created": "Mon, 6 Jan 2020 01:11:22 GMT", "version": "v3" }, { "created": "Wed, 29 Jan 2020 08:23:57 GMT", "version": "v4" } ]
2020-01-30
[ [ "Chen", "Bing", "" ], [ "Zhang", "Ailin", "" ], [ "He", "Jin", "" ] ]
The bottomonium spectrum is far from being established. The structures of higher vector states, including the $\Upsilon(10580)$, $\Upsilon(10860)$, and $\Upsilon(11020)$ states, are still in dispute. In addition, whether the $\Upsilon(10750)$ signal which was recently observed by the Belle Collaboration is a normal $b\...
1601.06981
Rafal Maciula
Rafal Maciula, Vladimir A. Saleev, Alexandra V. Shipilova and Antoni Szczurek
New mechanisms for double charmed meson production at the LHCb
16 pages, 6 figures
Phys. Lett. B758, 458-464, 2016
10.1016/j.physletb.2016.05.052
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss production of $D^0 D^0$ (and ${\bar D}^0 {\bar D}^0$) pairs related to the LHCb Collaboration results for $\sqrt{s}$ = 7 TeV in proton-proton scattering. We consider double-parton scattering (DPS) mechanisms of double $c \bar c$ production and subsequent $cc \to D^{0}D^{0}$ hadronization as well as double ...
[ { "created": "Tue, 26 Jan 2016 11:25:23 GMT", "version": "v1" }, { "created": "Wed, 25 May 2016 17:54:21 GMT", "version": "v2" } ]
2016-06-22
[ [ "Maciula", "Rafal", "" ], [ "Saleev", "Vladimir A.", "" ], [ "Shipilova", "Alexandra V.", "" ], [ "Szczurek", "Antoni", "" ] ]
We discuss production of $D^0 D^0$ (and ${\bar D}^0 {\bar D}^0$) pairs related to the LHCb Collaboration results for $\sqrt{s}$ = 7 TeV in proton-proton scattering. We consider double-parton scattering (DPS) mechanisms of double $c \bar c$ production and subsequent $cc \to D^{0}D^{0}$ hadronization as well as double $g...
hep-ph/0108232
Tom Steele
T.G. Steele, D. Harnett
Two Topics in QCD Sum-Rules: Bounds on Light Quark and Scalar Gluonium Masses
Latex2e, 17 pages. Write-up of talk presented at Ochanomizu high-energy physics workshop
null
null
null
hep-ph
null
QCD Laplace sum-rules are briefly reviewed and two sum-rule applications are presented. For scalar gluonium, upper bounds on the lightest state are obtained from ratios of Laplace sum-rules, and the role of instantons and the low-energy theorem on these bounds is investigated. For the light-quark masses, fundamental ...
[ { "created": "Tue, 28 Aug 2001 17:01:12 GMT", "version": "v1" } ]
2007-05-23
[ [ "Steele", "T. G.", "" ], [ "Harnett", "D.", "" ] ]
QCD Laplace sum-rules are briefly reviewed and two sum-rule applications are presented. For scalar gluonium, upper bounds on the lightest state are obtained from ratios of Laplace sum-rules, and the role of instantons and the low-energy theorem on these bounds is investigated. For the light-quark masses, fundamental in...
1702.05263
C. Q. Geng
Y.K. Hsiao, Yu Yao and C.Q. Geng
Charmless two-body anti-triplet $b$-baryon decays
13 pages, no figure, version accepted by PRD
Phys. Rev. D 95, 093001 (2017)
10.1103/PhysRevD.95.093001
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the charmless two-body decays of $b$-baryons $(\Lambda_b$, $\Xi_b^-$, $\Xi_b^0)$. We find that ${\cal B}(\Xi_b^-\to \Lambda \rho^-)=(2.08^{+0.69}_{-0.51})\times 10^{-6}$ and ${\cal B}(\Xi_b^0\to \Sigma^+ M^-)=(4.45^{+1.46}_{-1.09},11.49^{+3.8}_{-2.9},4.69^{+1.11}_{-0.79},2.98^{+0.76}_{-0.51})\times 10^{-6}$ ...
[ { "created": "Fri, 17 Feb 2017 09:09:46 GMT", "version": "v1" }, { "created": "Tue, 18 Apr 2017 06:50:10 GMT", "version": "v2" } ]
2017-05-10
[ [ "Hsiao", "Y. K.", "" ], [ "Yao", "Yu", "" ], [ "Geng", "C. Q.", "" ] ]
We study the charmless two-body decays of $b$-baryons $(\Lambda_b$, $\Xi_b^-$, $\Xi_b^0)$. We find that ${\cal B}(\Xi_b^-\to \Lambda \rho^-)=(2.08^{+0.69}_{-0.51})\times 10^{-6}$ and ${\cal B}(\Xi_b^0\to \Sigma^+ M^-)=(4.45^{+1.46}_{-1.09},11.49^{+3.8}_{-2.9},4.69^{+1.11}_{-0.79},2.98^{+0.76}_{-0.51})\times 10^{-6}$ fo...
1007.1397
Stefano Carignano
Stefano Carignano, Dominik Nickel, Michael Buballa
Influence of vector interaction and Polyakov loop dynamics on inhomogeneous chiral symmetry breaking phases
28 pages, 10 figures
Phys.Rev.D82:054009,2010
10.1103/PhysRevD.82.054009
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the role of the isoscalar vector interaction and the dynamics of the Polyakov loop on inhomogeneous phases in the phase diagram of the two-flavor Nambu-Jona--Lasinio (NJL) model. Thereby we concentrate on phases with a one-dimensional modulation, explicitly domain-wall solitons and, for comparison, the...
[ { "created": "Thu, 8 Jul 2010 15:02:09 GMT", "version": "v1" } ]
2011-11-21
[ [ "Carignano", "Stefano", "" ], [ "Nickel", "Dominik", "" ], [ "Buballa", "Michael", "" ] ]
We investigate the role of the isoscalar vector interaction and the dynamics of the Polyakov loop on inhomogeneous phases in the phase diagram of the two-flavor Nambu-Jona--Lasinio (NJL) model. Thereby we concentrate on phases with a one-dimensional modulation, explicitly domain-wall solitons and, for comparison, the c...
hep-ph/9302286
Decker Roger
R. Decker and M. Finkemeier
Radiative Tau Decays with One Pseudoscalar Meson
p.20, TTP93-1, LaTeX
Phys.Rev. D48 (1993) 4203-4215; Addendum-ibid. D50 (1994) 7079-7081
10.1103/PhysRevD.50.7079
null
hep-ph
null
We have calculated the decay $\tau \rightarrow \nu \pi(K) \gamma$. We present the photon energy spectrum, the meson-photon invariant mass spectrum and the integrated rate as a function of a photon energy cut or an invariant mass cut. Both the internal bremsstrahlung and the structure dependent radiation have been tak...
[ { "created": "Mon, 22 Feb 1993 14:34:00 GMT", "version": "v1" } ]
2009-10-22
[ [ "Decker", "R.", "" ], [ "Finkemeier", "M.", "" ] ]
We have calculated the decay $\tau \rightarrow \nu \pi(K) \gamma$. We present the photon energy spectrum, the meson-photon invariant mass spectrum and the integrated rate as a function of a photon energy cut or an invariant mass cut. Both the internal bremsstrahlung and the structure dependent radiation have been taken...
1312.2073
Sun Kesheng
Ke-Sheng Sun, Tai-Fu Feng, Guo-Hui Luo, Xiu-Yi Yang, Jian-Bin Chen
Lepton flavor violation in inverse seesaw model
13 pages, 7 figures
MPLA:Vol. 28, No. 38 (2013) 1350151
10.1142/S0217732313501514
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the lepton flavor violation processes $\mu-e$ conversion, $l_i\rightarrow l_j\gamma$ and $l_i\rightarrow 3l_j$ in framework of the Standard Model (SM) extended with inverse seesaw mechanism, as a function of $\tilde{\eta} = 1 -|Det(\tilde {U}_{PMNS})|$ that parameterizes the departure from unitary of the l...
[ { "created": "Sat, 7 Dec 2013 08:38:34 GMT", "version": "v1" } ]
2013-12-10
[ [ "Sun", "Ke-Sheng", "" ], [ "Feng", "Tai-Fu", "" ], [ "Luo", "Guo-Hui", "" ], [ "Yang", "Xiu-Yi", "" ], [ "Chen", "Jian-Bin", "" ] ]
We analyze the lepton flavor violation processes $\mu-e$ conversion, $l_i\rightarrow l_j\gamma$ and $l_i\rightarrow 3l_j$ in framework of the Standard Model (SM) extended with inverse seesaw mechanism, as a function of $\tilde{\eta} = 1 -|Det(\tilde {U}_{PMNS})|$ that parameterizes the departure from unitary of the lig...
1408.4929
Karim Ghorbani
Karim Ghorbani
Fermionic dark matter with pseudo-scalar Yukawa interaction
21 pages, v2: text clarification, Feynman diagrams and some references added, version to appear in JCAP
JCAP 1501 (2015) 015
10.1088/1475-7516/2015/01/015
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a renormalizable extension of the standard model whose fermionic dark matter (DM) candidate interacts with a real singlet pseudo-scalar via a pseudo-scalar Yukawa term while we assume that the full Lagrangian is CP-conserved in the classical level. When the pseudo-scalar boson develops a non-zero vacuum e...
[ { "created": "Thu, 21 Aug 2014 09:19:15 GMT", "version": "v1" }, { "created": "Sat, 6 Dec 2014 04:51:40 GMT", "version": "v2" } ]
2015-01-12
[ [ "Ghorbani", "Karim", "" ] ]
We consider a renormalizable extension of the standard model whose fermionic dark matter (DM) candidate interacts with a real singlet pseudo-scalar via a pseudo-scalar Yukawa term while we assume that the full Lagrangian is CP-conserved in the classical level. When the pseudo-scalar boson develops a non-zero vacuum exp...
1103.3289
Jean-Fran\c{c}ois Fortin
Jean-Fran\c{c}ois Fortin, Tim M.P. Tait
Collider Constraints on Dipole-Interacting Dark Matter
11 pages, 2 figures, extended discussion, added references, conclusion unchanged
null
10.1103/PhysRevD.85.063506
UCI-HEP-TR-2011-01, UCSD-PTH-11-04
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark matter which interacts through a magnetic or electric dipole moment is an interesting possibility which may help to resolve the discrepancy between the DAMA annual modulation signal and the null results of other searches. In this article we examine relic density and collider constraints on such dark matter, and ...
[ { "created": "Wed, 16 Mar 2011 20:11:28 GMT", "version": "v1" }, { "created": "Thu, 8 Mar 2012 19:47:47 GMT", "version": "v2" } ]
2013-05-30
[ [ "Fortin", "Jean-François", "" ], [ "Tait", "Tim M. P.", "" ] ]
Dark matter which interacts through a magnetic or electric dipole moment is an interesting possibility which may help to resolve the discrepancy between the DAMA annual modulation signal and the null results of other searches. In this article we examine relic density and collider constraints on such dark matter, and fi...
hep-ph/0504053
Parthasarathi Mitra
P. Mitra
Strong CP: No Problem
Talk at THEP-I, IIT Roorkee, March 2005; 10 pages
null
null
null
hep-ph hep-lat hep-th
null
Detailed analysis shows that the phase of a complex mass term of a quark does not violate CP, while the QCD vacuum angle can naturally be set equal to zero. There is no strong CP problem and no need for axions or similar speculative constructions to be experimentally looked for.
[ { "created": "Thu, 7 Apr 2005 00:43:50 GMT", "version": "v1" } ]
2007-05-23
[ [ "Mitra", "P.", "" ] ]
Detailed analysis shows that the phase of a complex mass term of a quark does not violate CP, while the QCD vacuum angle can naturally be set equal to zero. There is no strong CP problem and no need for axions or similar speculative constructions to be experimentally looked for.
1410.2428
Olga Shekhovtsova
Olga Shekhovtsova
Analysis of BaBar data for three meson tau decay modes using the Tauola generator
5 pages, 1 figure. Proceedings of the 7th Edition of the International Workshop on Quantum Chromodynamics -QCD@Work: Interantional Workshop on QCD, Theory and Experiment- (16-19 June 2014, Giovinazzo, Italy)
null
10.1051/epjconf/20148000054
IFJPAN-IV-2014-14
hep-ph physics.data-an
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The hadronic current for the $\tau^- \to \pi^-\pi^+\pi^-\nu_\tau$ decay calculated in the framework of the Resonance Chiral Theory with an additional modification to include the $\sigma$ meson is described. Implementation into the Monte Carlo generator Tauola and fitting strategy to get the model parameters using the...
[ { "created": "Thu, 9 Oct 2014 11:31:33 GMT", "version": "v1" } ]
2015-06-23
[ [ "Shekhovtsova", "Olga", "" ] ]
The hadronic current for the $\tau^- \to \pi^-\pi^+\pi^-\nu_\tau$ decay calculated in the framework of the Resonance Chiral Theory with an additional modification to include the $\sigma$ meson is described. Implementation into the Monte Carlo generator Tauola and fitting strategy to get the model parameters using the o...
2407.17281
Giacomo Cacciapaglia
Giacomo Cacciapaglia and Francesco Sannino
Charting Standard Model Duality and its Signatures
5 pages, 1 figure
null
null
null
hep-ph hep-lat hep-th
http://creativecommons.org/licenses/by/4.0/
We investigate high and low energy implications of a gauge dual description of the Standard Model. The high energy electric theory features gauge dynamics involving only fermionic matter fields, while the low energy magnetic description features a quasi-supersymmetric spectrum testable at colliders. The flavour theor...
[ { "created": "Wed, 24 Jul 2024 13:47:40 GMT", "version": "v1" } ]
2024-07-25
[ [ "Cacciapaglia", "Giacomo", "" ], [ "Sannino", "Francesco", "" ] ]
We investigate high and low energy implications of a gauge dual description of the Standard Model. The high energy electric theory features gauge dynamics involving only fermionic matter fields, while the low energy magnetic description features a quasi-supersymmetric spectrum testable at colliders. The flavour theory ...
2009.05352
Timothy Burns
T. J. Burns and E. S. Swanson
Discriminating among interpretations for the $X(2900)$ states
13 pages, 3 figures. Version to appear in Phys.Rev.D
Phys. Rev. D 103, 014004 (2021)
10.1103/PhysRevD.103.014004
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We make predictions for the production and decays of $X(2900)$ states, and their possible charged partners, in $B^+$ and $B^0$ decays, considering a number of competing models for the states, including triangle diagrams mediated by quark exchange or pion exchange, and resonance scenarios including molecules and tetra...
[ { "created": "Fri, 11 Sep 2020 11:34:42 GMT", "version": "v1" }, { "created": "Tue, 5 Jan 2021 09:59:43 GMT", "version": "v2" } ]
2021-01-13
[ [ "Burns", "T. J.", "" ], [ "Swanson", "E. S.", "" ] ]
We make predictions for the production and decays of $X(2900)$ states, and their possible charged partners, in $B^+$ and $B^0$ decays, considering a number of competing models for the states, including triangle diagrams mediated by quark exchange or pion exchange, and resonance scenarios including molecules and tetraqu...
hep-ph/9908523
Massimiliano Grazzini
S. Catani and M. Grazzini
Infrared factorization of tree-level QCD amplitudes at the next-to-next-to-leading order and beyond
latex, 38 pages, 11 eps figures
Nucl.Phys. B570 (2000) 287-325
10.1016/S0550-3213(99)00778-6
CERN-TH/99-263, ETH-TH/99-22
hep-ph
null
We study the infrared behaviour of tree-level QCD amplitudes and we derive infrared-factorization formulae that are valid at any perturbative order. We explicitly compute all the universal infrared factors that control the singularities in the various soft and/or collinear limits at O(as^2).
[ { "created": "Tue, 31 Aug 1999 17:58:43 GMT", "version": "v1" } ]
2015-06-25
[ [ "Catani", "S.", "" ], [ "Grazzini", "M.", "" ] ]
We study the infrared behaviour of tree-level QCD amplitudes and we derive infrared-factorization formulae that are valid at any perturbative order. We explicitly compute all the universal infrared factors that control the singularities in the various soft and/or collinear limits at O(as^2).
hep-ph/9709334
Brian A. Woodahl
Brian Woodahl, Michelle Parry, Shu-Ju Tu, and Ephraim Fischbach (Purdue University)
Neutrino Trapping and Neutrino Mass Bounds
LaTeX, 8 pages, 2 PostScript figures; to appear in the proceedings of "Beyond the Desert", Castle Ringberg, Tegernsee, Germany, 8-14 June 1997, edited by H.V.Klapdor-Kleingrothaus
null
null
PURD-TH-97-07
hep-ph
null
It has been shown recently that the exchange of virtual neutrino pairs leads to an unphysically large energy-density in neutron stars and white dwarfs, unless neutrinos have a minimum mass, m > 0.4 eV. Here we consider the possibility that the presence of trapped low-energy neutrinos can suppress the exchange of virt...
[ { "created": "Fri, 12 Sep 1997 19:09:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Woodahl", "Brian", "", "Purdue University" ], [ "Parry", "Michelle", "", "Purdue University" ], [ "Tu", "Shu-Ju", "", "Purdue University" ], [ "Fischbach", "Ephraim", "", "Purdue University" ] ]
It has been shown recently that the exchange of virtual neutrino pairs leads to an unphysically large energy-density in neutron stars and white dwarfs, unless neutrinos have a minimum mass, m > 0.4 eV. Here we consider the possibility that the presence of trapped low-energy neutrinos can suppress the exchange of virtua...
2307.03224
Ajay Kaladharan
Dorival Gon\c{c}alves, Ajay Kaladharan, Yongcheng Wu
Gravitational Waves, Bubble Profile, and Baryon Asymmetry in the Complex 2HDM
31 pages, 8 figures, 1 table, match the published version in PRD
PhysRevD.108.075010 (2023)
10.1103/PhysRevD.108.075010
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
This study explores the generation of the observed baryon asymmetry of the Universe within the complex Two Higgs Doublet Model (C2HDM) while considering theoretical and current experimental constraints. In our investigation, we analyze critical elements of the Higgs potential to understand the phase transition patter...
[ { "created": "Thu, 6 Jul 2023 18:00:01 GMT", "version": "v1" }, { "created": "Mon, 23 Oct 2023 15:48:38 GMT", "version": "v2" } ]
2023-10-24
[ [ "Gonçalves", "Dorival", "" ], [ "Kaladharan", "Ajay", "" ], [ "Wu", "Yongcheng", "" ] ]
This study explores the generation of the observed baryon asymmetry of the Universe within the complex Two Higgs Doublet Model (C2HDM) while considering theoretical and current experimental constraints. In our investigation, we analyze critical elements of the Higgs potential to understand the phase transition pattern....
0911.0994
Luis Roca
L. Roca and E. Oset
Asymmetry observables in e+ e- --> pi+ pi- gamma in the phi region within a chiral unitary approach
null
Phys.Rev.D81:014010,2010
10.1103/PhysRevD.81.014010
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We make a theoretical study of the charge and forward-backward pion asymmetries in the e+e- --> pi+ pi- gamma process on and off the phi resonance energy. These observables are rather sensitive to the inner details of the theoretical models to describe the reaction. In addition to the standard implementation of the i...
[ { "created": "Thu, 5 Nov 2009 09:40:54 GMT", "version": "v1" } ]
2010-02-03
[ [ "Roca", "L.", "" ], [ "Oset", "E.", "" ] ]
We make a theoretical study of the charge and forward-backward pion asymmetries in the e+e- --> pi+ pi- gamma process on and off the phi resonance energy. These observables are rather sensitive to the inner details of the theoretical models to describe the reaction. In addition to the standard implementation of the ini...
2211.11598
Jiang-Hao Yu
Hao Sun, Yi-Ning Wang, Jiang-Hao Yu
Hilbert Series and Operator Counting on the Higgs Effective Field Theory
28 pages, 3 figures, 6 tables
null
null
null
hep-ph hep-th
http://creativecommons.org/licenses/by/4.0/
We present a systematic procedure for determining the Hilbert series that counts the number of independent operators in the Higgs effective field theory. After removing the redundancies from equation-of-motion and integration-by-part, we provide an algorithm of treating the redundancy from the operators involving in ...
[ { "created": "Mon, 21 Nov 2022 15:55:32 GMT", "version": "v1" } ]
2022-11-22
[ [ "Sun", "Hao", "" ], [ "Wang", "Yi-Ning", "" ], [ "Yu", "Jiang-Hao", "" ] ]
We present a systematic procedure for determining the Hilbert series that counts the number of independent operators in the Higgs effective field theory. After removing the redundancies from equation-of-motion and integration-by-part, we provide an algorithm of treating the redundancy from the operators involving in sp...
hep-ph/0101016
Fialkowski
K. Fialkowski
Correlations and fluctuations - Introduction
7 pages
null
null
null
hep-ph
null
A rewiew of the development of formalism to describe correlations and fluctuations in multiparticle production is presented. The milestones of history of this development and some obvious sources of correlations in experimental data are recalled. Some recent subjects concerning the correlations are shortly discussed....
[ { "created": "Tue, 2 Jan 2001 11:29:11 GMT", "version": "v1" } ]
2007-05-23
[ [ "Fialkowski", "K.", "" ] ]
A rewiew of the development of formalism to describe correlations and fluctuations in multiparticle production is presented. The milestones of history of this development and some obvious sources of correlations in experimental data are recalled. Some recent subjects concerning the correlations are shortly discussed.
1601.04342
Amine Ahriche
Chahrazed Guella, Dounia Cherigui, Amine Ahriche, Salah Nasri and Rachik Soualah
Probing Radiative Neutrino Mass Models with Dilepton Events at the LHC
9 pages, 6 figures & 2 tables. Published version matched
Phys. Rev. D 93, 095022 (2016)
10.1103/PhysRevD.93.095022
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work, we investigate the possibility of probing a class of neutrino mass models at the LHC proton-proton collisions with 8 and 14 TeV energies. The existence of lepton flavor violating interactions for a singlet charged scalar, $S^{\pm}$, that couples to the leptons could induce many processes such as $pp\rig...
[ { "created": "Sun, 17 Jan 2016 20:39:49 GMT", "version": "v1" }, { "created": "Thu, 26 May 2016 21:45:45 GMT", "version": "v2" } ]
2016-05-30
[ [ "Guella", "Chahrazed", "" ], [ "Cherigui", "Dounia", "" ], [ "Ahriche", "Amine", "" ], [ "Nasri", "Salah", "" ], [ "Soualah", "Rachik", "" ] ]
In this work, we investigate the possibility of probing a class of neutrino mass models at the LHC proton-proton collisions with 8 and 14 TeV energies. The existence of lepton flavor violating interactions for a singlet charged scalar, $S^{\pm}$, that couples to the leptons could induce many processes such as $pp\right...
1306.3041
Chunsheng An
C. S. An and B. Saghai
Strangeness magnetic form factor of the proton in the extended chiral quark model
References added, typos corrected, accepted for publication by Phys. Rev. C
null
10.1103/PhysRevC.88.025206
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Background: Unravelling the role played by nonvalence flavors in baryons is crucial in deepening our comprehension of QCD. Strange quark, a component of the higher Fock states in baryons, is an appropriate tool to investigate nonperturbative mechanisms generated by the pure sea quark. Purpose: Study the magnitude a...
[ { "created": "Thu, 13 Jun 2013 07:33:59 GMT", "version": "v1" }, { "created": "Wed, 7 Aug 2013 01:33:54 GMT", "version": "v2" } ]
2015-06-16
[ [ "An", "C. S.", "" ], [ "Saghai", "B.", "" ] ]
Background: Unravelling the role played by nonvalence flavors in baryons is crucial in deepening our comprehension of QCD. Strange quark, a component of the higher Fock states in baryons, is an appropriate tool to investigate nonperturbative mechanisms generated by the pure sea quark. Purpose: Study the magnitude and t...
2012.08124
Rohit Gupta
Rohit Gupta, Anjaly Menon, Shubhangi Jain and Satyajit Jena
The theoretical description of the transverse momentum spectra: a unified model
null
Universe 9 (2023) 2, 111
10.3390/universe9020111
null
hep-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
Analysis of transverse momentum distributions is a useful tool to understand the dynamics of relativistic particles produced in high energy collision. Finding a proper distribution function to approximate the spectra is a vastly developing area of research in particle physics. In this work, we have provided a detaile...
[ { "created": "Tue, 15 Dec 2020 06:55:28 GMT", "version": "v1" }, { "created": "Mon, 30 Aug 2021 16:43:31 GMT", "version": "v2" }, { "created": "Fri, 27 Jan 2023 14:00:46 GMT", "version": "v3" } ]
2023-02-22
[ [ "Gupta", "Rohit", "" ], [ "Menon", "Anjaly", "" ], [ "Jain", "Shubhangi", "" ], [ "Jena", "Satyajit", "" ] ]
Analysis of transverse momentum distributions is a useful tool to understand the dynamics of relativistic particles produced in high energy collision. Finding a proper distribution function to approximate the spectra is a vastly developing area of research in particle physics. In this work, we have provided a detailed ...
hep-ph/9204218
Sinya Aoki
Sinya Aoki
On the Renormalization of the S Parameter
8 pages
Phys.Lett. B291 (1992) 437-440
10.1016/0370-2693(92)91400-4
null
hep-ph
null
We calculate the S parameter of the standard model at one loop of fermions, using three different regularizations (dimensional, Pauli-Villars and lattice) and find an extra contribution to the S parameter besides the standard one for each case. This shows that the extra contribution recently reported for the lattice ...
[ { "created": "Mon, 13 Apr 1992 09:22:17 GMT", "version": "v1" } ]
2009-10-22
[ [ "Aoki", "Sinya", "" ] ]
We calculate the S parameter of the standard model at one loop of fermions, using three different regularizations (dimensional, Pauli-Villars and lattice) and find an extra contribution to the S parameter besides the standard one for each case. This shows that the extra contribution recently reported for the lattice re...
1306.6661
Lucian Harland-Lang
L. A. Harland-Lang
A simple form for the low-x generalized parton distributions in the skewed regime
19 Pages, 8 Figures, version accepted for publication in PRD
null
10.1103/PhysRevD.88.034029
IPPP/13/46, DCPT/13/92
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that the generalized parton distributions (GPDFs) in the 'skewed' $x \approx \xi << 1$ regime can be related in a particularly simple way to the usual diagonal distributions. This follows directly from the Shuvaev transform, but bypasses a direct evaluation of the poorly convergent double integral which this ...
[ { "created": "Thu, 27 Jun 2013 21:20:09 GMT", "version": "v1" }, { "created": "Mon, 7 Oct 2013 14:28:01 GMT", "version": "v2" } ]
2013-10-08
[ [ "Harland-Lang", "L. A.", "" ] ]
We show that the generalized parton distributions (GPDFs) in the 'skewed' $x \approx \xi << 1$ regime can be related in a particularly simple way to the usual diagonal distributions. This follows directly from the Shuvaev transform, but bypasses a direct evaluation of the poorly convergent double integral which this re...
hep-ph/0403189
Ryutin Roman
V.A. Petrov and R.A. Ryutin
Exclusive Double Diffractive Events: Menu for LHC
18 pages, Latex 2.09, 6 postscript figures, references are added
JHEP 0408:013,2004
10.1088/1126-6708/2004/08/013
null
hep-ph
null
Exclusive double diffractive events (EDDE) are considered in the framework of the Regge-eikonal approach and perturbative calculations for "hard" subprocesses. Total and differential cross-sections for processes $p+p\to p+X+p$ are calculated.
[ { "created": "Wed, 17 Mar 2004 09:40:25 GMT", "version": "v1" }, { "created": "Tue, 30 Mar 2004 12:24:36 GMT", "version": "v2" } ]
2010-02-03
[ [ "Petrov", "V. A.", "" ], [ "Ryutin", "R. A.", "" ] ]
Exclusive double diffractive events (EDDE) are considered in the framework of the Regge-eikonal approach and perturbative calculations for "hard" subprocesses. Total and differential cross-sections for processes $p+p\to p+X+p$ are calculated.
hep-ph/0105053
Alexander Belyaev
Alexander Belyaev, David Garcia, Jaume Guasch, Joan Sola
Prospects for supersymmetric charged Higgs boson discovery at the Tevatron and the LHC
4 pages, 4 figures,revtex
Phys.Rev.D65:031701,2002
10.1103/PhysRevD.65.031701
FSU-HEP-050101, KA-TP-15-2001, UAB-FT-512
hep-ph
null
We investigate the prospects for heavy charged Higgs boson production through the mechanisms pp-bar(pp)->tbH+ +X at the upgraded Fermilab Tevatron and at the upcoming LHC collider at CERN respectively. We focus on the MSSM case at high values of tan[beta]> m_top/m_bot and include the leading SUSY quantum corrections....
[ { "created": "Sun, 6 May 2001 21:27:53 GMT", "version": "v1" } ]
2008-11-26
[ [ "Belyaev", "Alexander", "" ], [ "Garcia", "David", "" ], [ "Guasch", "Jaume", "" ], [ "Sola", "Joan", "" ] ]
We investigate the prospects for heavy charged Higgs boson production through the mechanisms pp-bar(pp)->tbH+ +X at the upgraded Fermilab Tevatron and at the upcoming LHC collider at CERN respectively. We focus on the MSSM case at high values of tan[beta]> m_top/m_bot and include the leading SUSY quantum corrections. A...
1709.04935
Tom van Daal
Dani\"el Boer, Tom van Daal, Jonathan R. Gaunt, Tomas Kasemets, Piet J. Mulders
Colour unwound - disentangling colours for azimuthal asymmetries in Drell-Yan scattering
36 pages, 11 figures; v2: typos corrected/ reference added, v3: minor corrections/ small explanations added/ references added, v4: very minor correction/ small explanations added/ references added (this version has been accepted for publication in SciPost)
SciPost Phys. 3, 040 (2017)
10.21468/SciPostPhys.3.6.040
NIKHEF 2017-040
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It has been suggested that a colour-entanglement effect exists in the Drell-Yan cross section for the 'double T-odd' contributions at low transverse momentum $Q_T$, rendering the colour structure different from that predicted by the usual factorisation formula [1]. These T-odd contributions can come from the Boer-Mul...
[ { "created": "Thu, 14 Sep 2017 18:13:31 GMT", "version": "v1" }, { "created": "Tue, 26 Sep 2017 17:28:43 GMT", "version": "v2" }, { "created": "Thu, 2 Nov 2017 08:10:54 GMT", "version": "v3" }, { "created": "Mon, 18 Dec 2017 15:51:23 GMT", "version": "v4" } ]
2018-01-19
[ [ "Boer", "Daniël", "" ], [ "van Daal", "Tom", "" ], [ "Gaunt", "Jonathan R.", "" ], [ "Kasemets", "Tomas", "" ], [ "Mulders", "Piet J.", "" ] ]
It has been suggested that a colour-entanglement effect exists in the Drell-Yan cross section for the 'double T-odd' contributions at low transverse momentum $Q_T$, rendering the colour structure different from that predicted by the usual factorisation formula [1]. These T-odd contributions can come from the Boer-Mulde...
1102.0892
Igor O. Cherednikov
I.O. Cherednikov
Theory of transverse-momentum parton densities: solving the puzzle of divergences
6 pages, 1 figure. Invited talk presented at the 40th International Symposium on Multiparticle Dynamics, 21 - 25 Sep 2010, Antwerp (Belgium)
null
null
INT-PUB-11-003
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The current status of the theoretical understanding of the transverse-momentum dependent parton densities (TMDs) is discussed. Special attention is payed to the difference between the operator definitions of TMDs proposed so far, the treatment of specific divergences, the geometry of the gauge links, and the role of ...
[ { "created": "Fri, 4 Feb 2011 12:13:18 GMT", "version": "v1" } ]
2011-02-07
[ [ "Cherednikov", "I. O.", "" ] ]
The current status of the theoretical understanding of the transverse-momentum dependent parton densities (TMDs) is discussed. Special attention is payed to the difference between the operator definitions of TMDs proposed so far, the treatment of specific divergences, the geometry of the gauge links, and the role of th...
2111.15665
Maíra Dutra
Ma\'ira Dutra and Yongcheng Wu
EvoEMD: cosmic evolution with an early matter-dominated era
29 pages, 7 figures, references added, new figures. Matches the journal version
null
10.1016/j.dark.2023.101198
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We present EvoEMD, a framework to calculate the evolution of cosmic relics in a Universe with an early matter-dominated (EMD) era. There are mainly two aspects to consider in this regard. First, an EMD era changes the Hubble expansion rate with respect to the standard radiation-dominated (RD) universe. Second, when t...
[ { "created": "Tue, 30 Nov 2021 18:56:15 GMT", "version": "v1" }, { "created": "Thu, 6 Jan 2022 22:00:28 GMT", "version": "v2" }, { "created": "Fri, 3 Mar 2023 18:01:25 GMT", "version": "v3" } ]
2023-03-06
[ [ "Dutra", "Maíra", "" ], [ "Wu", "Yongcheng", "" ] ]
We present EvoEMD, a framework to calculate the evolution of cosmic relics in a Universe with an early matter-dominated (EMD) era. There are mainly two aspects to consider in this regard. First, an EMD era changes the Hubble expansion rate with respect to the standard radiation-dominated (RD) universe. Second, when the...
1502.02200
Ernest Ma
Ernest Ma (UC Riverside & JCIAS, HKUST)
Derivation of Dark Matter Parity from Lepton Parity
11 pages, 6 figures, version to appear in PRL
Phys. Rev. Lett. 115, 011801 (2015)
10.1103/PhysRevLett.115.011801
UCRHEP-T550 (June 2015)
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is shown that in extensions of the standard model of quarks and leptons where additive lepton number $L$ is broken by two units, so that $Z_2$ lepton parity, i.e. $(-1)^L$ which is either even or odd, remains exactly conserved, there is the possibility of stable dark matter without additional symmetry. This applie...
[ { "created": "Sun, 8 Feb 2015 01:46:22 GMT", "version": "v1" }, { "created": "Tue, 17 Feb 2015 17:08:07 GMT", "version": "v2" }, { "created": "Mon, 15 Jun 2015 15:30:21 GMT", "version": "v3" } ]
2015-07-08
[ [ "Ma", "Ernest", "", "UC Riverside & JCIAS, HKUST" ] ]
It is shown that in extensions of the standard model of quarks and leptons where additive lepton number $L$ is broken by two units, so that $Z_2$ lepton parity, i.e. $(-1)^L$ which is either even or odd, remains exactly conserved, there is the possibility of stable dark matter without additional symmetry. This applies ...
hep-ph/0210157
Thomas Gehrmann
T.Gehrmann
Jet Physics at Two-Loop Accuracy
6 pages, LaTeX, Invited talk at RADCOR2002/Loops and Legs in Quantum Field Theory, Kloster Banz, Germany
Nucl.Phys.Proc.Suppl. 116 (2003) 13-17
10.1016/S0920-5632(03)80135-4
null
hep-ph
null
Current phenomenological studies of jet observables at colliders are clearly limited by the theoretical uncertainties inherent in the next-to-leading order QCD description. We discuss the recent progress made towards the calculation of QCD corrections to jet observables at the next-to-next-to-leading order in QCD and...
[ { "created": "Thu, 10 Oct 2002 07:17:04 GMT", "version": "v1" } ]
2009-11-07
[ [ "Gehrmann", "T.", "" ] ]
Current phenomenological studies of jet observables at colliders are clearly limited by the theoretical uncertainties inherent in the next-to-leading order QCD description. We discuss the recent progress made towards the calculation of QCD corrections to jet observables at the next-to-next-to-leading order in QCD and h...
2204.02317
Marco Letizia Ph.D.
Marco Letizia, Gianvito Losapio, Marco Rando, Gaia Grosso, Andrea Wulzer, Maurizio Pierini, Marco Zanetti, Lorenzo Rosasco
Learning new physics efficiently with nonparametric methods
22 pages, 13 figures
null
10.1140/epjc/s10052-022-10830-y
null
hep-ph cs.LG hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a machine learning approach for model-independent new physics searches. The corresponding algorithm is powered by recent large-scale implementations of kernel methods, nonparametric learning algorithms that can approximate any continuous function given enough data. Based on the original proposal by D'Agnol...
[ { "created": "Tue, 5 Apr 2022 16:17:59 GMT", "version": "v1" } ]
2022-10-17
[ [ "Letizia", "Marco", "" ], [ "Losapio", "Gianvito", "" ], [ "Rando", "Marco", "" ], [ "Grosso", "Gaia", "" ], [ "Wulzer", "Andrea", "" ], [ "Pierini", "Maurizio", "" ], [ "Zanetti", "Marco", "" ], [ ...
We present a machine learning approach for model-independent new physics searches. The corresponding algorithm is powered by recent large-scale implementations of kernel methods, nonparametric learning algorithms that can approximate any continuous function given enough data. Based on the original proposal by D'Agnolo ...
1305.6839
Heinrich Leutwyler
H. Leutwyler
The mass of the two lightest quarks
Contribution to the proceedings of the workshop "Determination of the Fundamental Parameters of QCD", Nanyang Technological University, Singapore, March 2013
null
10.1142/S0217732313600146
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The problems encountered in the determination of m_u and m_d are discussed. While their sum is known quite well, the difference m_d-m_u, which measures the breaking of isospin symmetry in the QCD Lagrangian, is still subject to significant uncertainties. I focus on recent work based on the dispersive analysis of the ...
[ { "created": "Wed, 29 May 2013 15:59:58 GMT", "version": "v1" } ]
2015-06-16
[ [ "Leutwyler", "H.", "" ] ]
The problems encountered in the determination of m_u and m_d are discussed. While their sum is known quite well, the difference m_d-m_u, which measures the breaking of isospin symmetry in the QCD Lagrangian, is still subject to significant uncertainties. I focus on recent work based on the dispersive analysis of the de...
hep-ph/9706371
Johannes Bluemlein
J. Bl\"umlein and A. Vogt
Small-x Resummation for the Structure Functions $F_2^p$, $F_L^p$ and $F_2^{\gamma}$
5 pages latex, to appear in the Proceedings of the International Conference on Deep Inelastic Scattering, Chicago, April 1997, AIP
null
10.1063/1.53595
DESY 97-106, WUE-ITP-97-017
hep-ph hep-ex
null
The numerical effects of the known all-order leading and next-to-leading logarithmic small-$x$ contributions to the anomalous dimensions and coefficient functions of the unpolarized singlet evolution are discussed for the structure functions $F_2^{ ep}(x,Q^2)$, $F_L^{ ep}(x,Q^2)$, and $F_2^{ e\gamma}(x,Q^2)$.
[ { "created": "Mon, 16 Jun 1997 15:01:36 GMT", "version": "v1" } ]
2009-10-30
[ [ "Blümlein", "J.", "" ], [ "Vogt", "A.", "" ] ]
The numerical effects of the known all-order leading and next-to-leading logarithmic small-$x$ contributions to the anomalous dimensions and coefficient functions of the unpolarized singlet evolution are discussed for the structure functions $F_2^{ ep}(x,Q^2)$, $F_L^{ ep}(x,Q^2)$, and $F_2^{ e\gamma}(x,Q^2)$.
1501.04164
Yilei Tang
Yi-Lei Tang
Off-Shell Tachyons
null
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The idea that the new particles invented in some models beyond the standard model can appear only inside the loops is attractive. In this paper, we fill these loops with off-shell tachyons, leading to a solution of the zero results of the loop diagrams involving the off-shell non-tachyonic particles. We also calculat...
[ { "created": "Sat, 17 Jan 2015 06:06:40 GMT", "version": "v1" }, { "created": "Sat, 24 Jan 2015 04:04:47 GMT", "version": "v2" }, { "created": "Fri, 30 Jan 2015 14:32:17 GMT", "version": "v3" } ]
2015-02-02
[ [ "Tang", "Yi-Lei", "" ] ]
The idea that the new particles invented in some models beyond the standard model can appear only inside the loops is attractive. In this paper, we fill these loops with off-shell tachyons, leading to a solution of the zero results of the loop diagrams involving the off-shell non-tachyonic particles. We also calculate ...
1110.2368
Franz Herzog
Charalampos Anastasiou, Franz Herzog and Achilleas Lazopoulos
The fully differential decay rate of a Higgs boson to bottom-quarks at NNLO in QCD
Version accepted for publication. References added, typographical errors corrected
null
10.1007/JHEP03(2012)035
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The decay of a light Higgs boson to bottom quarks is dominant and can be exploited for the discovery of the Higgs particle and the measurement of its properties at the LHC and future collider experiments. We perform a first computation of the fully differential decay at next-next-to-leading order in perturbative QCD....
[ { "created": "Tue, 11 Oct 2011 13:30:57 GMT", "version": "v1" }, { "created": "Thu, 2 Feb 2012 22:15:33 GMT", "version": "v2" }, { "created": "Sat, 24 Jan 2015 11:27:58 GMT", "version": "v3" } ]
2015-05-30
[ [ "Anastasiou", "Charalampos", "" ], [ "Herzog", "Franz", "" ], [ "Lazopoulos", "Achilleas", "" ] ]
The decay of a light Higgs boson to bottom quarks is dominant and can be exploited for the discovery of the Higgs particle and the measurement of its properties at the LHC and future collider experiments. We perform a first computation of the fully differential decay at next-next-to-leading order in perturbative QCD. W...
2203.01565
Luca Rottoli
X. Chen, T. Gehrmann, E.W.N. Glover, A. Huss, P. Monni, E. Re, L. Rottoli, P. Torrielli
Third order fiducial predictions for Drell-Yan at the LHC
7 pages, 3 figures, 1 Table + suppl. material. Minor modifications and updated figures. Version published in PRL
null
10.1103/PhysRevLett.128.252001
CERN-TH-2022-023, IPPP/22/08, LAPTH-009/22, KA-TP-03-2022, P3H-22-022, ZU-TH 07/22
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Drell-Yan process at hadron colliders is a fundamental benchmark for the study of strong interactions and the extraction of electro-weak parameters. The outstanding precision of the LHC demands very accurate theoretical predictions with a full account of fiducial experimental cuts. In this letter we present a sta...
[ { "created": "Thu, 3 Mar 2022 08:29:46 GMT", "version": "v1" }, { "created": "Fri, 10 May 2024 08:27:38 GMT", "version": "v2" } ]
2024-05-13
[ [ "Chen", "X.", "" ], [ "Gehrmann", "T.", "" ], [ "Glover", "E. W. N.", "" ], [ "Huss", "A.", "" ], [ "Monni", "P.", "" ], [ "Re", "E.", "" ], [ "Rottoli", "L.", "" ], [ "Torrielli", "P.", "" ...
The Drell-Yan process at hadron colliders is a fundamental benchmark for the study of strong interactions and the extraction of electro-weak parameters. The outstanding precision of the LHC demands very accurate theoretical predictions with a full account of fiducial experimental cuts. In this letter we present a state...
2110.11539
Zhite Yu
Zhite Yu and C.-P. Yuan
Azimuthal Angular Correlation as a Boosted Top Jet Substructure
6 pages, 3 figures. Matches the journal accepted version in PRL
Phys.Rev.Lett. 129 (2022) 11, 112001
10.1103/PhysRevLett.129.112001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a novel jet substructure observable of boosted tops that is related to the linear polarization of the $W$ boson in boosted top quark decay, which results in a $\cos2\phi$ angular correlation between the $t\to bW$ and $W\to f\bar{f'}$ decay planes. We discuss in detail the origin of such linear polarization...
[ { "created": "Fri, 22 Oct 2021 00:48:25 GMT", "version": "v1" }, { "created": "Fri, 4 Mar 2022 19:50:36 GMT", "version": "v2" }, { "created": "Wed, 7 Sep 2022 17:03:42 GMT", "version": "v3" } ]
2022-10-10
[ [ "Yu", "Zhite", "" ], [ "Yuan", "C. -P.", "" ] ]
We propose a novel jet substructure observable of boosted tops that is related to the linear polarization of the $W$ boson in boosted top quark decay, which results in a $\cos2\phi$ angular correlation between the $t\to bW$ and $W\to f\bar{f'}$ decay planes. We discuss in detail the origin of such linear polarization b...
0801.3907
Giancarlo Ferrera
Giancarlo Ferrera (Florence U. and INFN Florence), Jaume Guasch (Barcelona U., DFF and ICC Barcelona U.), David Lopez-Val (Barcelona U., ECM), Joan Sola (Barcelona U., ECM and ICC Barcelona U.)
Triple Higgs boson production at the ILC within a generic Two-Higgs-Doublet Model
5 pages, 1 figure. To appear in the proceedings of the "8th International Symposium on Radiative Corrections (RADCOR 2007)", October 1-5 2007, Florence, Italy
PoSRADCOR2007:043,2007
null
UB-ECM-PF-08-02
hep-ph
null
We present a study of triple Higgs boson (3H) production at the International Linear Collider (ILC) within the general Two-Higgs-Doublet Model (2HDM). We compute the production cross-sections at the leading-order for the 3H final states and find values up to sigma ~ 0.1 pb. This result represents a large enhancement ...
[ { "created": "Fri, 25 Jan 2008 10:14:38 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ferrera", "Giancarlo", "", "Florence U. and INFN Florence" ], [ "Guasch", "Jaume", "", "Barcelona U., DFF and ICC Barcelona U." ], [ "Lopez-Val", "David", "", "Barcelona U.,\n ECM" ], [ "Sola", "Joan", "", "Barcelona U., ECM and ICC Bar...
We present a study of triple Higgs boson (3H) production at the International Linear Collider (ILC) within the general Two-Higgs-Doublet Model (2HDM). We compute the production cross-sections at the leading-order for the 3H final states and find values up to sigma ~ 0.1 pb. This result represents a large enhancement wi...
2008.00564
Marco Arroyo
M. A. Arroyo-Ure\~na and T. A. Valencia-P\'erez
$\texttt{SpaceMath v.2.0}$ with Machine Learning. A $\texttt{Mathematica}$ package for Beyond the Standard Model parameter space searches
26 pages, 9 figures, 6 tables
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
\texttt{SpaceMath v.2.0} with Machine Learning is an extension of the previous version which we implement observables related with LHC Higgs boson data and their projections for the High Luminosity and High Energy Large Hadron Collider. In this version we implemented processes with Flavor-Changing Neutral Currents at...
[ { "created": "Sun, 2 Aug 2020 20:38:43 GMT", "version": "v1" }, { "created": "Tue, 25 Aug 2020 17:53:00 GMT", "version": "v2" }, { "created": "Wed, 22 Dec 2021 17:38:13 GMT", "version": "v3" }, { "created": "Mon, 11 Sep 2023 18:39:21 GMT", "version": "v4" } ]
2023-09-13
[ [ "Arroyo-Ureña", "M. A.", "" ], [ "Valencia-Pérez", "T. A.", "" ] ]
\texttt{SpaceMath v.2.0} with Machine Learning is an extension of the previous version which we implement observables related with LHC Higgs boson data and their projections for the High Luminosity and High Energy Large Hadron Collider. In this version we implemented processes with Flavor-Changing Neutral Currents at t...
2011.10803
Juri Fiaschi
Juri Fiaschi and Michael Klasen
Resummation effects in weak SUSY processes
6 pages, 6 figures, Proceedings of The 40th International Conference on High Energy Physics, ICHEP-2020; Jul 28-Aug 6, 2020, Prague, Czech Republic
null
null
MS-TP-20-38
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present updated results for the production cross sections of slepton pairs and neutralino-chargino pairs at the LHC with next-to-next-to logarithmic precision matched at approximate QCD next-to-next-to leading order. The explored range of masses of the supersymmetric particles are chosen to be relevant for current...
[ { "created": "Sat, 21 Nov 2020 14:36:25 GMT", "version": "v1" } ]
2020-11-24
[ [ "Fiaschi", "Juri", "" ], [ "Klasen", "Michael", "" ] ]
We present updated results for the production cross sections of slepton pairs and neutralino-chargino pairs at the LHC with next-to-next-to logarithmic precision matched at approximate QCD next-to-next-to leading order. The explored range of masses of the supersymmetric particles are chosen to be relevant for current a...
hep-ph/9312329
Mirjam Cvetic
F. del Aguila and M. Cvetic
Diagnostic Power of Future Colliders for Z'Couplings to Quarks and Leptons: e+e- versus pp Colliders
16pg (figures available via anonymous ftp to dept.physics.upenn.edu /pub/cvetic/UPR-590-T) certain minor numerical results corrected, UPR-590-T
Phys.Rev.D50:3158-3166,1994
10.1103/PhysRevD.50.3158
null
hep-ph
null
We study the diagnostic power of future $e^+e^-$ colliders with ${\sqrt {s}} = 500$ GeV (the New Large Collider ($NLC$)) for a model independent determination of the $Z'$ gauge couplings to quarks and leptons. The interference of the $Z'$ propagator with the photon and the $Z$ propagator in the two-fermion final stat...
[ { "created": "Thu, 23 Dec 1993 00:08:19 GMT", "version": "v1" }, { "created": "Wed, 5 Jan 1994 21:30:51 GMT", "version": "v2" } ]
2009-09-17
[ [ "del Aguila", "F.", "" ], [ "Cvetic", "M.", "" ] ]
We study the diagnostic power of future $e^+e^-$ colliders with ${\sqrt {s}} = 500$ GeV (the New Large Collider ($NLC$)) for a model independent determination of the $Z'$ gauge couplings to quarks and leptons. The interference of the $Z'$ propagator with the photon and the $Z$ propagator in the two-fermion final state ...
1902.09121
Stefano Scopel
Sunghyun Kang, Stefano Scopel and Gaurav Tomar (Sogang U.)
Probing DAMA/LIBRA in the full parameter space of WIMP effective models of inelastic scattering
15 pages, 11 figures, 5 tables. Updated to published version
Phys. Rev. D 99, 103019 (2019)
10.1103/PhysRevD.99.103019
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the compatibility of the combined annual modulation effect measured by DAMA/LIBRA-phase1 and DAMA/LIBRA-phase2 with an explanation in terms of inelastic scattering events induced by the most general Galilean-invariant effective contact interaction of a Weakly Interacting Massive Particle (WIMP) dark matter...
[ { "created": "Mon, 25 Feb 2019 07:26:34 GMT", "version": "v1" }, { "created": "Fri, 31 May 2019 06:25:56 GMT", "version": "v2" } ]
2019-06-05
[ [ "Kang", "Sunghyun", "", "Sogang U." ], [ "Scopel", "Stefano", "", "Sogang U." ], [ "Tomar", "Gaurav", "", "Sogang U." ] ]
We discuss the compatibility of the combined annual modulation effect measured by DAMA/LIBRA-phase1 and DAMA/LIBRA-phase2 with an explanation in terms of inelastic scattering events induced by the most general Galilean-invariant effective contact interaction of a Weakly Interacting Massive Particle (WIMP) dark matter p...
0707.2277
Roland Kaiser
Roland Kaiser (Marseille, CPT)
On the two-loop contributions to the pion mass
Typos corrected and minor changes in Table 2. Published version. 19 pages, 1 figure, 2 tables
JHEP 0709:065,2007
10.1088/1126-6708/2007/09/065
CPT-P32-2007
hep-ph
null
We derive a simplified representation for the pion mass to two loops in three-flavour chiral perturbation theory. For this purpose, we first determine the reduced expressions for the tensorial two-loop 2-point sunset integrals arising in chiral perturbation theory calculations. Making use of those relations, we obtai...
[ { "created": "Mon, 16 Jul 2007 18:52:39 GMT", "version": "v1" }, { "created": "Thu, 20 Sep 2007 13:45:36 GMT", "version": "v2" } ]
2009-01-06
[ [ "Kaiser", "Roland", "", "Marseille, CPT" ] ]
We derive a simplified representation for the pion mass to two loops in three-flavour chiral perturbation theory. For this purpose, we first determine the reduced expressions for the tensorial two-loop 2-point sunset integrals arising in chiral perturbation theory calculations. Making use of those relations, we obtain ...
hep-ph/0103038
Bogdan A. Dobrescu
Bogdan A. Dobrescu (Yale University)
Unscrambling New Models for Higher-Energy Physics
10 pages, LaTeX, uses aipproc.cls and aipproc.sty. Plenary talk given at the 5th International Linear Collider Workshop, Fermilab, Oct. 24-28, 2000
null
10.1063/1.1394303
YCTP-P1-02
hep-ph
null
There is strong evidence that new physical degrees of freedom and new phenomena exist and may be revealed in future collider experiments. The best hints of what this new physics might be are provided by electroweak symmetry breaking. I briefly review certain theories for physics beyond the standard model, including t...
[ { "created": "Sat, 3 Mar 2001 18:45:12 GMT", "version": "v1" } ]
2009-11-07
[ [ "Dobrescu", "Bogdan A.", "", "Yale University" ] ]
There is strong evidence that new physical degrees of freedom and new phenomena exist and may be revealed in future collider experiments. The best hints of what this new physics might be are provided by electroweak symmetry breaking. I briefly review certain theories for physics beyond the standard model, including the...
hep-ph/0209363
Sergey . P. Baranov
S.P. Baranov
HIPPOPO - a Monte-Carlo generator for particle production in the Quark-Gluon String Model
null
null
null
P.N.Lebedev Institute of Physics, Report No 42 (1998)
hep-ph
null
We present the description of HIPPOPO (Hadron Induced Particle Production Off Pomeron Outpour), a computer code aimed at the simulation of hadron production in hadron-hadron collisions at high energies via the multipomeron exchange mechanism. We briefly remind the theoretical inputs from the Quark-Gluon String Model ...
[ { "created": "Mon, 30 Sep 2002 10:59:25 GMT", "version": "v1" } ]
2007-05-23
[ [ "Baranov", "S. P.", "" ] ]
We present the description of HIPPOPO (Hadron Induced Particle Production Off Pomeron Outpour), a computer code aimed at the simulation of hadron production in hadron-hadron collisions at high energies via the multipomeron exchange mechanism. We briefly remind the theoretical inputs from the Quark-Gluon String Model an...
1302.0661
Gino Isidori
Gino Isidori
Flavor physics and CP violation
38 pages, lectures given at the 2012 European School of High-Energy Physics, Anjou, France, 6-19 Jun 2012. To be published in the School proceedings. arXiv admin note: substantial text overlap with arXiv:1001.3431
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Lectures on flavor physics presented at the 2012 CERN HEP Summer School. Content: 1) flavor physics within the Standard Model, 2) phenomenology of B and D decays, 3) flavor physics beyond the Standard Model.
[ { "created": "Mon, 4 Feb 2013 12:14:20 GMT", "version": "v1" } ]
2013-02-05
[ [ "Isidori", "Gino", "" ] ]
Lectures on flavor physics presented at the 2012 CERN HEP Summer School. Content: 1) flavor physics within the Standard Model, 2) phenomenology of B and D decays, 3) flavor physics beyond the Standard Model.
hep-ph/9311274
Leutwyler Heinrich
H. Leutwyler
On the Foundations of Chiral Perturbation Theory
52 pages, BUTP-93/24
Annals Phys. 235 (1994) 165-203
10.1006/aphy.1994.1094
null
hep-ph
null
The properties of the effective field theory relevant for the low energy structure generated by the Goldstone bosons of a spontaneously broken symmetry are reexamined. It is shown that anomaly free, Lorentz invariant theories are characterized by a gauge invariant effective Lagrangian, to all orders of the low energy...
[ { "created": "Thu, 11 Nov 1993 15:42:24 GMT", "version": "v1" } ]
2009-10-22
[ [ "Leutwyler", "H.", "" ] ]
The properties of the effective field theory relevant for the low energy structure generated by the Goldstone bosons of a spontaneously broken symmetry are reexamined. It is shown that anomaly free, Lorentz invariant theories are characterized by a gauge invariant effective Lagrangian, to all orders of the low energy e...
0802.3187
Dominik Nickel
Dominik Nickel, Reinhard Alkofer, Jochen Wambach
Neutrality of the color-flavor-locked phase in a Dyson-Schwinger approach
10 pages, 4 figures
Phys.Rev.D77:114010,2008
10.1103/PhysRevD.77.114010
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The role of neutrality constraints for the phase structure of QCD at non-vanishing chemical potentials is studied within a self-consistent truncation scheme for the Dyson-Schwinger equation of the quark propagator in Landau gauge. We find the (approximate) color-flavor-locked phase to be energetically preferred at al...
[ { "created": "Thu, 21 Feb 2008 18:56:26 GMT", "version": "v1" } ]
2008-11-26
[ [ "Nickel", "Dominik", "" ], [ "Alkofer", "Reinhard", "" ], [ "Wambach", "Jochen", "" ] ]
The role of neutrality constraints for the phase structure of QCD at non-vanishing chemical potentials is studied within a self-consistent truncation scheme for the Dyson-Schwinger equation of the quark propagator in Landau gauge. We find the (approximate) color-flavor-locked phase to be energetically preferred at all ...
hep-ph/9810500
Jonathan Feng
Jonathan L. Feng (IAS, Princeton), Christopher Kolda (LBNL), Nir Polonsky (Rutgers)
Solving the Supersymmetric Flavor Problem with Radiatively Generated Mass Hierarchies
18 pages, 3 figures; typos corrected, refs added, conforms to published version
Nucl.Phys.B546:3-18,1999
10.1016/S0550-3213(99)00026-7
IASSNS-HEP-98-85, LBNL-42428, RU-97-98
hep-ph
null
The supersymmetric flavor problem may be solved if the first and second generation scalars are heavy (with multi-TeV masses) and scalars with large Higgs couplings are light (with sub-TeV masses). We show that such an inverted spectrum may be generated radiatively; that is, from initial conditions where all scalar ma...
[ { "created": "Tue, 27 Oct 1998 20:45:06 GMT", "version": "v1" }, { "created": "Thu, 15 Apr 1999 20:27:52 GMT", "version": "v2" } ]
2014-11-17
[ [ "Feng", "Jonathan L.", "", "IAS, Princeton" ], [ "Kolda", "Christopher", "", "LBNL" ], [ "Polonsky", "Nir", "", "Rutgers" ] ]
The supersymmetric flavor problem may be solved if the first and second generation scalars are heavy (with multi-TeV masses) and scalars with large Higgs couplings are light (with sub-TeV masses). We show that such an inverted spectrum may be generated radiatively; that is, from initial conditions where all scalar mass...
2105.07588
Michael Ramsey-Musolf
Suntharan Arunasalam and Michael J. Ramsey-Musolf
Tunneling Potentials for the Tunneling Action: Gauge Invariance
12 pages, 8 figures; typos corrected
null
10.1007/JHEP08(2022)138
ACFI-T21-07
hep-ph
http://creativecommons.org/licenses/by/4.0/
We formulate a procedure to obtain a gauge-invariant tunneling rate at zero temperature using the recently developed tunneling potential approach. This procedure relies on a consistent power counting in gauge coupling and a derivative expansion. The tunneling potential approach, while numerically more efficient than ...
[ { "created": "Mon, 17 May 2021 03:21:19 GMT", "version": "v1" }, { "created": "Mon, 8 Nov 2021 09:24:04 GMT", "version": "v2" } ]
2022-09-07
[ [ "Arunasalam", "Suntharan", "" ], [ "Ramsey-Musolf", "Michael J.", "" ] ]
We formulate a procedure to obtain a gauge-invariant tunneling rate at zero temperature using the recently developed tunneling potential approach. This procedure relies on a consistent power counting in gauge coupling and a derivative expansion. The tunneling potential approach, while numerically more efficient than th...
hep-ph/9508211
Ben Grinstein
C. Glenn Boyd, Benjamin Grinstein and Richard F. Lebed
Model-Independent Determinations of B -> D l nu , D* l nu Form Factors
uses harvmac and epsf, 22 pages, 3 eps figures included
Nucl.Phys. B461 (1996) 493-511
null
UCSD/PTH 95-11
hep-ph
null
We present nonperturbative, model-independent parametrizations of the individual QCD form factors relevant to B -> D* l nu and B -> D l nu decays. These results follow from dispersion relations and analyticity, without recourse to heavy quark symmetry. To describe a form factor with two percent accuracy, three parame...
[ { "created": "Wed, 2 Aug 1995 00:51:06 GMT", "version": "v1" } ]
2007-05-23
[ [ "Boyd", "C. Glenn", "" ], [ "Grinstein", "Benjamin", "" ], [ "Lebed", "Richard F.", "" ] ]
We present nonperturbative, model-independent parametrizations of the individual QCD form factors relevant to B -> D* l nu and B -> D l nu decays. These results follow from dispersion relations and analyticity, without recourse to heavy quark symmetry. To describe a form factor with two percent accuracy, three paramete...
1408.3307
Eric Mart\'inez-Pascual
M. A. L\'opez-Osorio, E. Mart\'inez-Pascual, J. J. Toscano
Implications of Lorentz violation on Higgs-mediated lepton flavor violation
Updated to essentially match published version
J. Phys. G: Nucl. Part. Phys. 43 (2016) 025003
10.1088/0954-3899/43/2/025003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The lepton flavor violating decay of the Higgs boson $H\to l_Al_B$ is studied within two qualitatively different extensions of the Yukawa sector: one renormalizable and the other nonrenormalizable; both incorporating Lorentz violation in a model-independent fashion. These extensions are characterized by Yukawa-like m...
[ { "created": "Thu, 14 Aug 2014 14:52:05 GMT", "version": "v1" }, { "created": "Sun, 22 Nov 2015 19:22:44 GMT", "version": "v2" }, { "created": "Fri, 12 Feb 2016 01:44:36 GMT", "version": "v3" } ]
2016-02-15
[ [ "López-Osorio", "M. A.", "" ], [ "Martínez-Pascual", "E.", "" ], [ "Toscano", "J. J.", "" ] ]
The lepton flavor violating decay of the Higgs boson $H\to l_Al_B$ is studied within two qualitatively different extensions of the Yukawa sector: one renormalizable and the other nonrenormalizable; both incorporating Lorentz violation in a model-independent fashion. These extensions are characterized by Yukawa-like mat...
hep-ph/9511283
Steve Puglia
M.M. Islam (University of Connecticut)
Probing Nucleon Structure via High Energy Elastic Scattering
5 pages, REVTeX 3.0, 2 figures
null
null
UCONN-95-06
hep-ph
null
Analyses of high energy elastic pp and $\bar pp$ scattering data from CERN ISR and SPS Collider seem to provide strong evidence in favor of the gauged nonlinear sigma-model of the nucleon. This model describes the nucleon as a topological soliton and introduces the vector mesons omega, rho, a1 as gauge bosons. The mo...
[ { "created": "Thu, 9 Nov 1995 18:48:09 GMT", "version": "v1" } ]
2007-05-23
[ [ "Islam", "M. M.", "", "University of Connecticut" ] ]
Analyses of high energy elastic pp and $\bar pp$ scattering data from CERN ISR and SPS Collider seem to provide strong evidence in favor of the gauged nonlinear sigma-model of the nucleon. This model describes the nucleon as a topological soliton and introduces the vector mesons omega, rho, a1 as gauge bosons. The mode...
hep-ph/0411009
Ramond
P. Ramond
Neutrinos: Key to New Physics
Invited Talk, Fujihara Seminar " Neutrino Masses and Seesaw Mechanism", February 23-25, 2004, KEK, Japan
null
10.1016/j.nuclphysbps.2004.10.081
null
hep-ph
null
The Seesaw mechanism predicted tiny neutrino masses by postulating a new large scale in particle physics, using new theoretical ideas prompted by the Standard Model. It adds credence to a theoretical vista that is a quarter century old, and fits with the most endearing speculations of ultimate unification. By relatin...
[ { "created": "Sun, 31 Oct 2004 16:20:20 GMT", "version": "v1" } ]
2009-11-10
[ [ "Ramond", "P.", "" ] ]
The Seesaw mechanism predicted tiny neutrino masses by postulating a new large scale in particle physics, using new theoretical ideas prompted by the Standard Model. It adds credence to a theoretical vista that is a quarter century old, and fits with the most endearing speculations of ultimate unification. By relating ...
1309.5419
Zhao Shumin
Xing-Dao Guo, Yin-Jie Zhang, Shu-Min Zhao, Tai-Fu Feng, Xu-Hao Yuan, Xue-Qian Li
Top Quark Forward-Backward Asymmetry in the Little Higgs Model
8 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the forward backward asymmetry of the top-pair production at TEVATRON up to next to leading order (NLO) in the little Higgs model (LHM). We find that the contribution of $Z_H$ can be large enough to make up the gap between standard model (SM) prediction and data. With the database of $7.65\pm0.20\pm0.36$...
[ { "created": "Sat, 21 Sep 2013 02:29:26 GMT", "version": "v1" } ]
2013-09-24
[ [ "Guo", "Xing-Dao", "" ], [ "Zhang", "Yin-Jie", "" ], [ "Zhao", "Shu-Min", "" ], [ "Feng", "Tai-Fu", "" ], [ "Yuan", "Xu-Hao", "" ], [ "Li", "Xue-Qian", "" ] ]
We calculate the forward backward asymmetry of the top-pair production at TEVATRON up to next to leading order (NLO) in the little Higgs model (LHM). We find that the contribution of $Z_H$ can be large enough to make up the gap between standard model (SM) prediction and data. With the database of $7.65\pm0.20\pm0.36$ p...
2308.05740
Rodolfo Ferro-Hern\'andez
Jens Erler and Rodolfo Ferro-Hernandez
Perturbative contributions to $\Delta\alpha^{(5)}(M^2_Z)$
null
null
null
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute a theoretically driven prediction for the hadronic contribution to the electromagnetic running coupling at the $Z$ scale using lattice QCD and state-of-the-art perturbative QCD. We obtain$$\Delta\alpha^{(5)}(M^2_Z)=\left[279.5\pm0.9\pm0.59\right]\times10^{-4}\quad\quad\,\,\,\,\,\,(\mathrm{Mainz \,\,\,Colla...
[ { "created": "Thu, 10 Aug 2023 17:57:49 GMT", "version": "v1" } ]
2023-08-11
[ [ "Erler", "Jens", "" ], [ "Ferro-Hernandez", "Rodolfo", "" ] ]
We compute a theoretically driven prediction for the hadronic contribution to the electromagnetic running coupling at the $Z$ scale using lattice QCD and state-of-the-art perturbative QCD. We obtain$$\Delta\alpha^{(5)}(M^2_Z)=\left[279.5\pm0.9\pm0.59\right]\times10^{-4}\quad\quad\,\,\,\,\,\,(\mathrm{Mainz \,\,\,Collabo...
2404.02004
Robin Plantey
R. Plantey, M. Aa. Solberg
Computable conditions for order-2 $CP$ symmetry in NHDM potentials
22 pages, 1 figure. v2: matches published version
JHEP 05 (2024) 260
10.1007/JHEP05(2024)260
null
hep-ph hep-th math-ph math.MP
http://creativecommons.org/licenses/by/4.0/
We derive necessary and sufficient conditions for order-2 $CP$ ($CP2$) symmetry in $N$-Higgs-doublet potentials for $N>2$. The conditions, which are formulated as relations between vectors that transform under the adjoint representation of $\mathsf{SU}(N)$ under a change of doublet basis, are representation theoretic...
[ { "created": "Tue, 2 Apr 2024 14:46:22 GMT", "version": "v1" }, { "created": "Mon, 27 May 2024 08:10:46 GMT", "version": "v2" } ]
2024-05-28
[ [ "Plantey", "R.", "" ], [ "Solberg", "M. Aa.", "" ] ]
We derive necessary and sufficient conditions for order-2 $CP$ ($CP2$) symmetry in $N$-Higgs-doublet potentials for $N>2$. The conditions, which are formulated as relations between vectors that transform under the adjoint representation of $\mathsf{SU}(N)$ under a change of doublet basis, are representation theoretical...
hep-ph/0608081
David Bugg
D.V. Bugg (Queen Mary, University of London, UK)
The mass of the sigma pole
10 pages, 5 figures Significant additions to the text
J.Phys.G34:151,2007
10.1088/0954-3899/34/1/011
null
hep-ph
null
BES data on the sigma pole are refitted taking into account new information on coupling of sigma to KK and eta-eta. The fit also includes Cern-Munich data on pi-pi elastic phases shifts and Ke4 data, and gives a pole position of 500 +- 30 - i(264 +- 30) MeV. However, there is a clear discrepancy with the sigma pole p...
[ { "created": "Mon, 7 Aug 2006 14:01:19 GMT", "version": "v1" }, { "created": "Tue, 9 Jan 2007 09:25:31 GMT", "version": "v2" } ]
2008-11-26
[ [ "Bugg", "D. V.", "", "Queen Mary, University of London, UK" ] ]
BES data on the sigma pole are refitted taking into account new information on coupling of sigma to KK and eta-eta. The fit also includes Cern-Munich data on pi-pi elastic phases shifts and Ke4 data, and gives a pole position of 500 +- 30 - i(264 +- 30) MeV. However, there is a clear discrepancy with the sigma pole pos...
1908.02828
Henry Diaz
Henry Diaz Chavez, V. Pleitez, O. P. Ravinez
Dirac neutrinos in a $SU(2)$ left-right symmetric model
27 pages, no figures
Phys. Rev. D 102, 075006 (2020)
10.1103/PhysRevD.102.075006
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In a left-right symmetric model, with the scalar sector consisting of several bi-doublets and two doublets, neutrinos remain as Dirac fermions in all order in perturbation theory. Although with only two bi-doublets the neutrino masses need still a fine tuning, this is not the case when a third bi-doublet is added. On...
[ { "created": "Wed, 7 Aug 2019 20:38:24 GMT", "version": "v1" }, { "created": "Fri, 9 Oct 2020 15:40:57 GMT", "version": "v2" } ]
2020-10-12
[ [ "Chavez", "Henry Diaz", "" ], [ "Pleitez", "V.", "" ], [ "Ravinez", "O. P.", "" ] ]
In a left-right symmetric model, with the scalar sector consisting of several bi-doublets and two doublets, neutrinos remain as Dirac fermions in all order in perturbation theory. Although with only two bi-doublets the neutrino masses need still a fine tuning, this is not the case when a third bi-doublet is added. One ...
1505.01715
I. V. Danilkin
Peng Guo, Igor V. Danilkin, Diane Schott, C. Fern\'andez-Ram\'irez, V. Mathieu, Adam P. Szczepaniak
Three-body Final State Interaction in $\eta \to 3 \pi$
15 pages, 6 figures
Phys. Rev. D 92, 054016 (2015)
10.1103/PhysRevD.92.054016
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an unitary dispersive model for the $\eta \to 3 \pi$ decay process based upon the Khuri-Treiman equations which are solved by means of the Pasquier inversion method. The description of the hadronic final-state interactions for the $\eta \to 3\pi$ decay is essential to reproduce the available data and to un...
[ { "created": "Thu, 7 May 2015 14:25:33 GMT", "version": "v1" }, { "created": "Fri, 4 Sep 2015 13:50:28 GMT", "version": "v2" } ]
2016-08-08
[ [ "Guo", "Peng", "" ], [ "Danilkin", "Igor V.", "" ], [ "Schott", "Diane", "" ], [ "Fernández-Ramírez", "C.", "" ], [ "Mathieu", "V.", "" ], [ "Szczepaniak", "Adam P.", "" ] ]
We present an unitary dispersive model for the $\eta \to 3 \pi$ decay process based upon the Khuri-Treiman equations which are solved by means of the Pasquier inversion method. The description of the hadronic final-state interactions for the $\eta \to 3\pi$ decay is essential to reproduce the available data and to unde...
1810.03004
Celso de Camargo Barros Jr.
Marcelo G. L. Nogueira Santos and Celso C. Barros Jr
Low energy kaon-hyperon interaction
null
Phys. Rev. C 99, 025206 (2019)
10.1103/PhysRevC.99.025206
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we study the low energy kaon-hyperon interaction considering effective chiral Lagrangians that include kaons, $\sigma$ mesons, hyperons and the corresponding resonances. We calculate the scattering amplitudes, and then the total cross sections, angular distributions, polarizations and the $S$ and $P$ pha...
[ { "created": "Sat, 6 Oct 2018 14:10:59 GMT", "version": "v1" } ]
2019-03-06
[ [ "Santos", "Marcelo G. L. Nogueira", "" ], [ "Barros", "Celso C.", "Jr" ] ]
In this work we study the low energy kaon-hyperon interaction considering effective chiral Lagrangians that include kaons, $\sigma$ mesons, hyperons and the corresponding resonances. We calculate the scattering amplitudes, and then the total cross sections, angular distributions, polarizations and the $S$ and $P$ phase...
2004.13193
Ted Rogers
Jian-Wei Qiu, Ted C. Rogers and Bowen Wang
Intrinsic Transverse Momentum and Evolution in Weighted Spin Asymmetries
Version appearing in physical review D; fixed grammatical errors
Phys. Rev. D 101, 116017 (2020)
10.1103/PhysRevD.101.116017
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The transverse momentum dependent (TMD) and collinear higher twist theoretical factorization frameworks are the most frequently used approaches to describing spin dependent hard cross sections weighted by and integrated over transverse momentum. Of particular interest is the contribution from small transverse momentu...
[ { "created": "Mon, 27 Apr 2020 21:44:38 GMT", "version": "v1" }, { "created": "Fri, 31 Jul 2020 15:06:15 GMT", "version": "v2" } ]
2020-08-03
[ [ "Qiu", "Jian-Wei", "" ], [ "Rogers", "Ted C.", "" ], [ "Wang", "Bowen", "" ] ]
The transverse momentum dependent (TMD) and collinear higher twist theoretical factorization frameworks are the most frequently used approaches to describing spin dependent hard cross sections weighted by and integrated over transverse momentum. Of particular interest is the contribution from small transverse momentum ...
2205.14626
Chun-Khiang Chua
Chun-Khiang Chua
Two-body Baryonic $B_{u,d,s}$ and $B_c$ to Charmless Final State Decays
59 pages, revised and to appear in Phys. Rev. D
null
10.1103/PhysRevD.106.036015
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We study the rates and direct CP violations of two-body baryonic $\bar B_{u,d,s}\to {{\rm\bf B}\overline{\rm\bf B}}'$ and $B^-_c\to{{\rm\bf B}\overline{\rm\bf B}}'$ decays, where the final state baryons include low-lying octet and decuplet baryons. We incorporate topological amplitude formalism and the factorization ...
[ { "created": "Sun, 29 May 2022 11:04:28 GMT", "version": "v1" }, { "created": "Tue, 7 Jun 2022 15:15:06 GMT", "version": "v2" }, { "created": "Tue, 2 Aug 2022 14:15:52 GMT", "version": "v3" } ]
2022-08-31
[ [ "Chua", "Chun-Khiang", "" ] ]
We study the rates and direct CP violations of two-body baryonic $\bar B_{u,d,s}\to {{\rm\bf B}\overline{\rm\bf B}}'$ and $B^-_c\to{{\rm\bf B}\overline{\rm\bf B}}'$ decays, where the final state baryons include low-lying octet and decuplet baryons. We incorporate topological amplitude formalism and the factorization ap...
hep-ph/0006359
Stanislaw Jadach
S. Jadach, B.F.L. Ward and Z. Was
Coherent Exclusive Exponentiation For Precision Monte Carlo Calculations
50 figures
Phys.Rev.D63:113009,2001
10.1103/PhysRevD.63.113009
CERN-TH/2000-087, UTHEP-99-09-01
hep-ph
null
We present the new Coherent Exclusive Exponentiation (CEEX), the older Exclusive Exponentiation (EEX) and the semi-analytical Inclusive Exponentiation (IEX) for the process $e^+e^-\to f\bar{f} +n\gamma$, $f=\mu,\tau,d,u,s,c,b$ with validity for centre of mass energies from $\tau$ lepton threshold to 1TeV, that is for...
[ { "created": "Fri, 30 Jun 2000 22:58:17 GMT", "version": "v1" } ]
2011-05-05
[ [ "Jadach", "S.", "" ], [ "Ward", "B. F. L.", "" ], [ "Was", "Z.", "" ] ]
We present the new Coherent Exclusive Exponentiation (CEEX), the older Exclusive Exponentiation (EEX) and the semi-analytical Inclusive Exponentiation (IEX) for the process $e^+e^-\to f\bar{f} +n\gamma$, $f=\mu,\tau,d,u,s,c,b$ with validity for centre of mass energies from $\tau$ lepton threshold to 1TeV, that is for L...
hep-ph/9605240
Torbjorn Sjostrand
Gerhard A. Schuler (CERN) and Torbj\"orn Sj\"ostrand (Lund)
A scenario for high-energy gamma-gamma interactions
1+27 pages, LaTeX2e, 20 ps/eps figures included in file using filecontents environments
Z.Phys.C73:677-688,1997
10.1007/s002880050359
CERN-TH/96-119, LU TP 96-13
hep-ph
null
A real photon has a complicated nature, whereby it may remain unresolved or fluctuate into a vector meson or a perturbative q-qbar pair. In gamma-gamma events, this gives three by three combinations of the nature of the two incoming photons, and thus six distinct event classes. The properties of these classes are par...
[ { "created": "Tue, 7 May 1996 11:35:54 GMT", "version": "v1" } ]
2011-02-15
[ [ "Schuler", "Gerhard A.", "", "CERN" ], [ "Sjöstrand", "Torbjörn", "", "Lund" ] ]
A real photon has a complicated nature, whereby it may remain unresolved or fluctuate into a vector meson or a perturbative q-qbar pair. In gamma-gamma events, this gives three by three combinations of the nature of the two incoming photons, and thus six distinct event classes. The properties of these classes are partl...
hep-ph/9403233
Johan Bijnens
Johan Bijnens and Joaquim Prades
Two- and Three-Point Functions in the Extended NJL Model
Latex, 42 pages, 3 latex figures, 7 postscript figures included, NORDITA 94/11 N,P. Improvement in the regularization procedure for the PVV three point function
Z.Phys.C64:475-494,1994
10.1007/BF01560109
null
hep-ph nucl-th
null
The two-point functions in generalized Nambu--Jona-Lasinio models are calculated to all orders in momenta and quark masses to leading order in $1/N_c$. The use of Ward identities and the heat-kernel expansion allows for a large degree of regularization independence. We also show how this approach works to the same or...
[ { "created": "Mon, 7 Mar 1994 12:10:31 GMT", "version": "v1" }, { "created": "Fri, 15 Apr 1994 11:49:41 GMT", "version": "v2" } ]
2011-03-31
[ [ "Bijnens", "Johan", "" ], [ "Prades", "Joaquim", "" ] ]
The two-point functions in generalized Nambu--Jona-Lasinio models are calculated to all orders in momenta and quark masses to leading order in $1/N_c$. The use of Ward identities and the heat-kernel expansion allows for a large degree of regularization independence. We also show how this approach works to the same orde...
1110.2252
Yukihiro Mimura
Naoyuki Haba, Tomohiro Horita, Kunio Kaneta, and Yukihiro Mimura
TeV-scale seesaw with non-negligible left-right neutrino mixings
18 pages, 1 figure
null
null
OU-HET 726/2011
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We suggest natural TeV-scale seesaw with non-negligible left-right neutrino mixings as preserving tiny neutrino masses. Our analysis is exhibited, without loss of generality, by taking a basis of the neutrino matrices, in which the condition to obtain the left-right mixings is clear. We also suggest a flavor symmetry...
[ { "created": "Tue, 11 Oct 2011 02:36:18 GMT", "version": "v1" } ]
2011-10-12
[ [ "Haba", "Naoyuki", "" ], [ "Horita", "Tomohiro", "" ], [ "Kaneta", "Kunio", "" ], [ "Mimura", "Yukihiro", "" ] ]
We suggest natural TeV-scale seesaw with non-negligible left-right neutrino mixings as preserving tiny neutrino masses. Our analysis is exhibited, without loss of generality, by taking a basis of the neutrino matrices, in which the condition to obtain the left-right mixings is clear. We also suggest a flavor symmetry a...
1802.04294
Alexander Fieguth
A.Fieguth, M.Hoferichter, P.Klos, J.Men\'endez, A.Schwenk, C.Weinheimer
Discriminating WIMP-nucleus response functions in present and future XENON-like direct detection experiments
10 pages, 7 figures
Phys. Rev. D 97, 103532 (2018)
10.1103/PhysRevD.97.103532
INT-PUB-18-006
hep-ph astro-ph.CO hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The standard interpretation of direct-detection limits on dark matter involves particular assumptions of the underlying WIMP-nucleus interaction, such as, in the simplest case, the choice of a Helm form factor that phenomenologically describes an isoscalar spin-independent interaction. In general, the interaction of ...
[ { "created": "Mon, 12 Feb 2018 19:00:28 GMT", "version": "v1" }, { "created": "Thu, 31 May 2018 17:27:14 GMT", "version": "v2" } ]
2018-06-06
[ [ "Fieguth", "A.", "" ], [ "Hoferichter", "M.", "" ], [ "Klos", "P.", "" ], [ "Menéndez", "J.", "" ], [ "Schwenk", "A.", "" ], [ "Weinheimer", "C.", "" ] ]
The standard interpretation of direct-detection limits on dark matter involves particular assumptions of the underlying WIMP-nucleus interaction, such as, in the simplest case, the choice of a Helm form factor that phenomenologically describes an isoscalar spin-independent interaction. In general, the interaction of da...
2211.07665
Roman Kogler
Johannes Haller, Andreas Hoecker, Roman Kogler, Klaus M\"onig, J\"org Stelzer
Status of the global electroweak fit with Gfitter in the light of new precision measurements
Contribution to the proceedings of the 41st International Conference on High Energy Physics (ICHEP2022), 6-13 July 2022, Bologna, Italy. 6 pages, 3 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
We present results from the global electroweak fit to precision measurements in the Standard Model (SM). The fit uses the latest theoretical calculations for observables on the $Z$ pole and the $W$ boson mass, yielding precise SM predictions for the effective weak mixing angle and the masses of the $W$ and Higgs boso...
[ { "created": "Mon, 14 Nov 2022 19:00:02 GMT", "version": "v1" } ]
2022-11-16
[ [ "Haller", "Johannes", "" ], [ "Hoecker", "Andreas", "" ], [ "Kogler", "Roman", "" ], [ "Mönig", "Klaus", "" ], [ "Stelzer", "Jörg", "" ] ]
We present results from the global electroweak fit to precision measurements in the Standard Model (SM). The fit uses the latest theoretical calculations for observables on the $Z$ pole and the $W$ boson mass, yielding precise SM predictions for the effective weak mixing angle and the masses of the $W$ and Higgs bosons...
hep-ph/9304213
JiangLiu
Jiang Liu
Phenomenological Description of an Unstable Fermion
20 pages, one Feynman diagram (not included), UPR-0558T
null
null
null
hep-ph
null
We present a phenomenological description for an unstable fermion based upon one-loop renormalization of quantum field theory. It is emphasized that wave function renormalization can introduce important $CP$-conserving and $CP$-violating phases. Implications for the study of $CP$ violation are examined. Applications ...
[ { "created": "Mon, 5 Apr 1993 13:06:15 GMT", "version": "v1" } ]
2007-05-23
[ [ "Liu", "Jiang", "" ] ]
We present a phenomenological description for an unstable fermion based upon one-loop renormalization of quantum field theory. It is emphasized that wave function renormalization can introduce important $CP$-conserving and $CP$-violating phases. Implications for the study of $CP$ violation are examined. Applications ar...
0807.1746
Mark B. Wise
Lisa Randall and Mark B. Wise
Exotic Implications of Electron and Photon Final States
4 pages, 3 figures, table corrected and reference added
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
New resonances with masses of order a few ${\rm TeV}$ might be discovered at the LHC. We show that no resonance that couples to electrons only through Standard Model interactions can decay to both $e^+e^-$and $\gamma \gamma$ with significant branching ratios. This means that finding both electron-positron and two-pho...
[ { "created": "Thu, 10 Jul 2008 21:39:38 GMT", "version": "v1" }, { "created": "Thu, 18 Dec 2008 22:07:39 GMT", "version": "v2" } ]
2008-12-19
[ [ "Randall", "Lisa", "" ], [ "Wise", "Mark B.", "" ] ]
New resonances with masses of order a few ${\rm TeV}$ might be discovered at the LHC. We show that no resonance that couples to electrons only through Standard Model interactions can decay to both $e^+e^-$and $\gamma \gamma$ with significant branching ratios. This means that finding both electron-positron and two-photo...
0809.0491
Matthew Dowling
Matthew Dowling, Alexey Pak, Andrzej Czarnecki
Semi-Leptonic b-decay at Intermediate Recoil
9 pages, 6 figures, Replaced figures, small format and typo corrections, added appendix and references
Phys.Rev.D78:074029,2008
10.1103/PhysRevD.78.074029
Alberta Thy 09-08
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the O(\alpha_s^2) corrections to the differential rate of the semileptonic decay b -> clv at the "intermediate recoil" point, where the c-quark mass and the invariant mass of the leptons are equal. The calculation is based on an expansion around two opposite limits of the quark masses m_{b,c}: m_c ~ m_b an...
[ { "created": "Tue, 2 Sep 2008 18:08:28 GMT", "version": "v1" }, { "created": "Wed, 8 Oct 2008 17:54:55 GMT", "version": "v2" } ]
2008-11-26
[ [ "Dowling", "Matthew", "" ], [ "Pak", "Alexey", "" ], [ "Czarnecki", "Andrzej", "" ] ]
We compute the O(\alpha_s^2) corrections to the differential rate of the semileptonic decay b -> clv at the "intermediate recoil" point, where the c-quark mass and the invariant mass of the leptons are equal. The calculation is based on an expansion around two opposite limits of the quark masses m_{b,c}: m_c ~ m_b and ...
1704.08708
Barmak Shams Es Haghi
Brian Batell, Tao Han, Barmak Shams Es Haghi
Indirect Detection of Neutrino Portal Dark Matter
34 pages, 8 figures
Phys. Rev. D 97, 095020 (2018)
10.1103/PhysRevD.97.095020
PITT-PACC-1620
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the feasibility of the indirect detection of dark matter in a simple model using the neutrino portal. The model is very economical, with right-handed neutrinos generating neutrino masses through the Type-I seesaw mechanism and simultaneously mediating interactions with dark matter. Given the small neut...
[ { "created": "Thu, 27 Apr 2017 18:27:28 GMT", "version": "v1" }, { "created": "Thu, 13 Dec 2018 22:14:28 GMT", "version": "v2" } ]
2018-12-17
[ [ "Batell", "Brian", "" ], [ "Han", "Tao", "" ], [ "Haghi", "Barmak Shams Es", "" ] ]
We investigate the feasibility of the indirect detection of dark matter in a simple model using the neutrino portal. The model is very economical, with right-handed neutrinos generating neutrino masses through the Type-I seesaw mechanism and simultaneously mediating interactions with dark matter. Given the small neutri...
1606.06441
Harleen Dahiya Dr.
Harleen Dahiya and Monika Randhawa
Nucleon structure functions and longitudinal spin asymmetries in the chiral quark constituent model
28 pages, 8 figures. To appear in PRD. arXiv admin note: text overlap with arXiv:1505.03304
Phys.Rev. D93 (2016) 114030
10.1103/PhysRevD.93.114030
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We have analysed the phenomenological dependence of the spin independent ($F_1^{p,n}$ and $F_2^{p,n}$) and the spin dependent ($g_1^{p,n}$) structure functions of the nucleon on the the Bjorken scaling variable $x$ using the unpolarized distribution functions of the quarks $q(x)$ and the polarized distribution functi...
[ { "created": "Tue, 21 Jun 2016 06:58:17 GMT", "version": "v1" } ]
2016-07-20
[ [ "Dahiya", "Harleen", "" ], [ "Randhawa", "Monika", "" ] ]
We have analysed the phenomenological dependence of the spin independent ($F_1^{p,n}$ and $F_2^{p,n}$) and the spin dependent ($g_1^{p,n}$) structure functions of the nucleon on the the Bjorken scaling variable $x$ using the unpolarized distribution functions of the quarks $q(x)$ and the polarized distribution function...
1503.02167
Egle Tomasi-Gustafsson
E.A. Kuraev, E.S. Kokoulina and E. Tomasi-Gustafsson
Light meson emission in (anti)proton induced reactions
XXII International Baldin Seminar on High Energy Physics Problems, 15-20 September 2014 JINR, Dubna, Russia. arXiv admin note: substantial text overlap with arXiv:1306.5169
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Reactions induced by high energy antiprotons on proton on nuclei are accompanied with large probability by the emission of a few mesons. Interesting phenomena can be observed and QCD tests can be performed, through the detection of one or more mesons. The collinear emission from high energy (anti)proton beams of a ha...
[ { "created": "Sat, 7 Mar 2015 12:43:25 GMT", "version": "v1" } ]
2015-03-10
[ [ "Kuraev", "E. A.", "" ], [ "Kokoulina", "E. S.", "" ], [ "Tomasi-Gustafsson", "E.", "" ] ]
Reactions induced by high energy antiprotons on proton on nuclei are accompanied with large probability by the emission of a few mesons. Interesting phenomena can be observed and QCD tests can be performed, through the detection of one or more mesons. The collinear emission from high energy (anti)proton beams of a hard...
1711.04346
Juan Guerrero
Juan V. Guerrero and Alberto Accardi
Gauge invariance and kaon production in deep inelastic scattering at low scales
13 pages, 8 figures
Phys. Rev. D 97, 114012 (2018)
10.1103/PhysRevD.97.114012
JLAB-THY-17-2596
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
This paper focuses on hadron mass effects in calculations of semi-inclusive kaon production in lepton-Deuteron deeply inelastic scattering at HERMES and COMPASS kinematics. In the collinear factorization framework, the corresponding cross section is shown to factorize, at leading order and leading twist, into product...
[ { "created": "Sun, 12 Nov 2017 19:39:07 GMT", "version": "v1" }, { "created": "Thu, 21 Dec 2017 20:28:13 GMT", "version": "v2" }, { "created": "Sat, 3 Nov 2018 21:37:06 GMT", "version": "v3" } ]
2018-11-06
[ [ "Guerrero", "Juan V.", "" ], [ "Accardi", "Alberto", "" ] ]
This paper focuses on hadron mass effects in calculations of semi-inclusive kaon production in lepton-Deuteron deeply inelastic scattering at HERMES and COMPASS kinematics. In the collinear factorization framework, the corresponding cross section is shown to factorize, at leading order and leading twist, into products ...
hep-ph/9804309
Passeram
M. Passera and A. Sirlin (New York University)
Radiative Corrections to W and Quark Propagators in the Resonance Region
19 pages, 7 figures, LaTeX (uses epsfig). Slight rewording of the abstract and one of the sentences of the text. Minor misprints corrected. To appear in Phys. Rev. D
Phys.Rev.D58:113010,1998
10.1103/PhysRevD.58.113010
NYU-TH/98-04-01
hep-ph
null
We discuss radiative corrections to W and quark propagators in the resonance region, |s-M^2| \lsim M*Gamma. We show that conventional mass renormalization, when applied to photonic or gluonic corrections, leads in next to leading order (NLO) to contributions proportional to [M*Gamma/(s-M^2)]^n, (n=1,2...), i.e. to a ...
[ { "created": "Fri, 17 Apr 1998 00:11:23 GMT", "version": "v1" }, { "created": "Mon, 16 Nov 1998 17:14:17 GMT", "version": "v2" } ]
2008-11-26
[ [ "Passera", "M.", "", "New York University" ], [ "Sirlin", "A.", "", "New York University" ] ]
We discuss radiative corrections to W and quark propagators in the resonance region, |s-M^2| \lsim M*Gamma. We show that conventional mass renormalization, when applied to photonic or gluonic corrections, leads in next to leading order (NLO) to contributions proportional to [M*Gamma/(s-M^2)]^n, (n=1,2...), i.e. to a no...
1701.01747
Juan Carlos G\'omez Izquierdo
Juan Carlos G\'omez-Izquierdo
Non-Minimal Flavored ${\bf S}_{3}\otimes {\bf Z}_{2} $ Left-Right Symmetric Model
Version three. I added references and corrected typos. 19 pages. All figures replaced, section II changed. Analytic study improved. Conclusions unchanged
null
10.1140/epjc/s10052-017-5094-0
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a non-minimal left-right symmetric model (LRSM) with Parity Symmetry where the fermion mixings arise as result of imposing an ${\bf S}_{3}\otimes {\bf Z}_{2}$ flavor symmetry, and an extra ${\bf Z}^{e}_{2}$ symmetry is considered to suppress some Yukawa couplings in the lepton sector. As a consequence, the...
[ { "created": "Fri, 6 Jan 2017 19:57:40 GMT", "version": "v1" }, { "created": "Mon, 16 Jan 2017 19:48:28 GMT", "version": "v2" }, { "created": "Mon, 10 Apr 2017 19:24:34 GMT", "version": "v3" } ]
2017-09-13
[ [ "Gómez-Izquierdo", "Juan Carlos", "" ] ]
We propose a non-minimal left-right symmetric model (LRSM) with Parity Symmetry where the fermion mixings arise as result of imposing an ${\bf S}_{3}\otimes {\bf Z}_{2}$ flavor symmetry, and an extra ${\bf Z}^{e}_{2}$ symmetry is considered to suppress some Yukawa couplings in the lepton sector. As a consequence, the e...