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2207.10493
Xiang Liu
Fu-Lai Wang and Xiang Liu
Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the $P_{\psi s}^\Lambda(4338)$ and $P_{cs}(4459)$
13 pages, 5 figures and 5 tables. More discussions added. Accepted by Phys. Lett. B
Phys. Lett. B 835 (2022) 137583
10.1016/j.physletb.2022.137583
null
hep-ph hep-ex
http://creativecommons.org/publicdomain/zero/1.0/
Inspired by the newly observed $P_{\psi s}^\Lambda(4338)$ and the reported $P_{cs}(4459)$, we indicate the existence of the molecular-type characteristic mass spectrum for hidden-charm pentaquark with strangeness. It shows that the $P_{cs}(4459)$ may contain two substructures corresponding to the $\Xi_c\bar{D}^*$ mol...
[ { "created": "Thu, 21 Jul 2022 14:17:14 GMT", "version": "v1" }, { "created": "Tue, 23 Aug 2022 03:19:54 GMT", "version": "v2" }, { "created": "Sat, 19 Nov 2022 00:07:26 GMT", "version": "v3" } ]
2022-11-28
[ [ "Wang", "Fu-Lai", "" ], [ "Liu", "Xiang", "" ] ]
Inspired by the newly observed $P_{\psi s}^\Lambda(4338)$ and the reported $P_{cs}(4459)$, we indicate the existence of the molecular-type characteristic mass spectrum for hidden-charm pentaquark with strangeness. It shows that the $P_{cs}(4459)$ may contain two substructures corresponding to the $\Xi_c\bar{D}^*$ molec...
2407.08436
Haoran Di
Haoran Di, Haihao Shi, and Zhu Yi
Detection of dilute axion stars with stimulated decay
null
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The anomalous orbits of trans-Neptunian objects can be accounted for by the planet 9 hypothesis. One intriguing possibility is that planet 9 could be a dilute axion star captured by the solar system, with the ratio of the axion star to dark matter being approximately 1/10. Although dilute axion stars can emit monochr...
[ { "created": "Thu, 11 Jul 2024 12:21:12 GMT", "version": "v1" }, { "created": "Sat, 20 Jul 2024 06:13:54 GMT", "version": "v2" } ]
2024-07-23
[ [ "Di", "Haoran", "" ], [ "Shi", "Haihao", "" ], [ "Yi", "Zhu", "" ] ]
The anomalous orbits of trans-Neptunian objects can be accounted for by the planet 9 hypothesis. One intriguing possibility is that planet 9 could be a dilute axion star captured by the solar system, with the ratio of the axion star to dark matter being approximately 1/10. Although dilute axion stars can emit monochrom...
1511.00988
Gerhard Buchalla
G. Buchalla, O. Cata, A. Celis, C. Krause
Fitting Higgs Data with Nonlinear Effective Theory
23 pages, 22 figures; extended discussion of fitting procedure
null
10.1140/epjc/s10052-016-4086-9
LMU-ASC 69/15
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In a recent paper we showed that the electroweak chiral Lagrangian at leading order is equivalent to the conventional $\kappa$ formalism used by ATLAS and CMS to test Higgs anomalous couplings. Here we apply this fact to fit the latest Higgs data. The new aspect of our analysis is a systematic interpretation of the f...
[ { "created": "Tue, 3 Nov 2015 17:07:31 GMT", "version": "v1" }, { "created": "Fri, 6 May 2016 14:48:27 GMT", "version": "v2" } ]
2016-05-25
[ [ "Buchalla", "G.", "" ], [ "Cata", "O.", "" ], [ "Celis", "A.", "" ], [ "Krause", "C.", "" ] ]
In a recent paper we showed that the electroweak chiral Lagrangian at leading order is equivalent to the conventional $\kappa$ formalism used by ATLAS and CMS to test Higgs anomalous couplings. Here we apply this fact to fit the latest Higgs data. The new aspect of our analysis is a systematic interpretation of the fit...
1705.00661
Shu Liao
Bhaskar Dutta, Shu Liao, Louis E. Strigari, Joel W. Walker
Non-standard interactions of solar neutrinos in dark matter experiments
12 pages, 5 figures
null
10.1016/j.physletb.2017.08.031
MI-TH-1724
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Non-standard neutrino interactions (NSI) affect both their propagation through matter and their detection, with bounds on NSI parameters coming from various astrophysical and terrestrial neutrino experiments. In this paper, we show that NSI can be probed in future direct dark matter detection experiments through both...
[ { "created": "Mon, 1 May 2017 18:53:45 GMT", "version": "v1" }, { "created": "Wed, 30 Aug 2017 16:36:34 GMT", "version": "v2" } ]
2017-08-31
[ [ "Dutta", "Bhaskar", "" ], [ "Liao", "Shu", "" ], [ "Strigari", "Louis E.", "" ], [ "Walker", "Joel W.", "" ] ]
Non-standard neutrino interactions (NSI) affect both their propagation through matter and their detection, with bounds on NSI parameters coming from various astrophysical and terrestrial neutrino experiments. In this paper, we show that NSI can be probed in future direct dark matter detection experiments through both e...
2110.09126
Rupert Coy
Rupert Coy and Michele Frigerio
Effective comparison of neutrino-mass models
v2: Version accepted by PRD, bounds from the W-boson mass updated to include the recent CDF II measurement, minor clarifications added, more references and fewer typos
null
10.1103/PhysRevD.105.115041
ULB-TH/21-16
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
New physics in the lepton sector may account for neutrino masses, affect electroweak precision observables, induce charged-lepton flavour violation, and shift dipole moments. The low-energy predictions of different models are most conveniently compared within the formalism of effective field theory. To illustrate the...
[ { "created": "Mon, 18 Oct 2021 09:30:52 GMT", "version": "v1" }, { "created": "Sun, 29 May 2022 09:11:32 GMT", "version": "v2" } ]
2022-07-13
[ [ "Coy", "Rupert", "" ], [ "Frigerio", "Michele", "" ] ]
New physics in the lepton sector may account for neutrino masses, affect electroweak precision observables, induce charged-lepton flavour violation, and shift dipole moments. The low-energy predictions of different models are most conveniently compared within the formalism of effective field theory. To illustrate the b...
hep-ph/0511194
Gottfried Holzwarth
Gottfried Holzwarth
Electromagnetic Form Factors of the Nucleon in Chiral Soliton Models
Contribution to the volume "The Multifaceted Skyrmion" edited by G.E.Brown and Mannque Rho, publ.by World Scientific Publ. Comp., 2009. It is an updated and extended version of a talk originally presented at the workshop Nucleon05 "Nucleon Form Factors", Frascati, Oct. 12-14, 2005
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The ratio of electric to magnetic proton form factors G_E/G_M as measured in polarization transfer experiments shows a characteristic linear decrease with increasing momentum transfer Q^2. We present a simple argument how such a decrease arises naturally in chiral soliton models. For a detailed comparison of model re...
[ { "created": "Wed, 16 Nov 2005 11:41:22 GMT", "version": "v1" }, { "created": "Mon, 12 Dec 2005 10:52:44 GMT", "version": "v2" }, { "created": "Fri, 13 Feb 2009 16:26:15 GMT", "version": "v3" } ]
2009-02-13
[ [ "Holzwarth", "Gottfried", "" ] ]
The ratio of electric to magnetic proton form factors G_E/G_M as measured in polarization transfer experiments shows a characteristic linear decrease with increasing momentum transfer Q^2. We present a simple argument how such a decrease arises naturally in chiral soliton models. For a detailed comparison of model resu...
hep-ph/9707466
Dieter Pertermann
A.Capella, A.Kaidalov, C.Merino, D.Pertermann, and J.Tran Thanh Van
Structure Functions of Nuclei at Small x and Diffraction at HERA
TeX, 15 pages, 7 figures in 6 ps-files
Eur.Phys.J.C5:111-117,1998
10.1007/s100520050252
LPTHE Orsay 97-07
hep-ph
null
Gribov theory is applied to investigate the shadowing effects in the structure functions of nuclei. In this approach these effects are related to the process of diffractive dissociation of a virtual photon. A model for this diffractive process, which describes well the HERA data, is used to calculate the shadowing in...
[ { "created": "Fri, 25 Jul 1997 15:57:29 GMT", "version": "v1" } ]
2011-07-19
[ [ "Capella", "A.", "" ], [ "Kaidalov", "A.", "" ], [ "Merino", "C.", "" ], [ "Pertermann", "D.", "" ], [ "Van", "J. Tran Thanh", "" ] ]
Gribov theory is applied to investigate the shadowing effects in the structure functions of nuclei. In this approach these effects are related to the process of diffractive dissociation of a virtual photon. A model for this diffractive process, which describes well the HERA data, is used to calculate the shadowing in n...
0806.3852
Andre Hoang
Andre H. Hoang, Stefan Kluth
Hemisphere Soft Function at O(alpha_s^2) for Dijet Production in e+e- Annihilation
24 pages, 7 figures, app.C extended
null
null
MPP-2008-25
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We determine the O(alpha_s^2) corrections to the partonic hemisphere soft function relevant for thrust and jet mass distributions in e+e- annihilation in the dijet limit. In this limit the distributions can be described by a factorization theorem that sums large logarithmic terms and separates perturbative from nonpe...
[ { "created": "Tue, 24 Jun 2008 11:11:24 GMT", "version": "v1" }, { "created": "Wed, 9 Jul 2008 12:58:23 GMT", "version": "v2" } ]
2008-07-09
[ [ "Hoang", "Andre H.", "" ], [ "Kluth", "Stefan", "" ] ]
We determine the O(alpha_s^2) corrections to the partonic hemisphere soft function relevant for thrust and jet mass distributions in e+e- annihilation in the dijet limit. In this limit the distributions can be described by a factorization theorem that sums large logarithmic terms and separates perturbative from nonpert...
hep-ph/9405233
null
I. Jack and D. R. T. Jones
Soft supersymmetry breaking and finiteness
12pp, uses harvmac, LTH 334. Note added and minor corrections to Eqs. (9), (12) and (16)
Phys.Lett.B333:372-379,1994
10.1016/0370-2693(94)90156-2
null
hep-ph
null
We calculate the two-loop $\beta$-functions for soft supersymmetry-breaking interactions in a general supersymmetric gauge theory, emphasising the role of the evanescent couplings and masses that are generic to a non-supersymmetric theory. We also show that a simple set of conditions sufficient for one-loop finitenes...
[ { "created": "Thu, 5 May 1994 15:35:11 GMT", "version": "v1" }, { "created": "Fri, 24 Jun 1994 09:28:32 GMT", "version": "v2" } ]
2011-07-19
[ [ "Jack", "I.", "" ], [ "Jones", "D. R. T.", "" ] ]
We calculate the two-loop $\beta$-functions for soft supersymmetry-breaking interactions in a general supersymmetric gauge theory, emphasising the role of the evanescent couplings and masses that are generic to a non-supersymmetric theory. We also show that a simple set of conditions sufficient for one-loop finiteness ...
1403.5782
Adam Szczepaniak
Adam P. Szczepaniak and M.R. Pennington
Application of the Veneziano Model in Charmonium Dalitz Plot Analysis
7 pages, 3 figures
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We adapt the Veneziano model to the analysis of vector charmonium decays. Starting from a set of covariant Veneziano terms we show how to construct partial waves amplitudes that receive contributions from selected Regge trajectories. The amplitudes, nevertheless retain the proper asymptotic limit. This arises from du...
[ { "created": "Sun, 23 Mar 2014 18:15:07 GMT", "version": "v1" } ]
2014-03-25
[ [ "Szczepaniak", "Adam P.", "" ], [ "Pennington", "M. R.", "" ] ]
We adapt the Veneziano model to the analysis of vector charmonium decays. Starting from a set of covariant Veneziano terms we show how to construct partial waves amplitudes that receive contributions from selected Regge trajectories. The amplitudes, nevertheless retain the proper asymptotic limit. This arises from dual...
0811.2128
Gustavo Valdiviesso
G. A. Valdiviesso, M. M. Guzzo, P. C. Holanda
Probing New Limits for the Violation of the Equivalence Principle in the solar-reactor neutrino sector as a next to leading order effect
9 pages, 14 figures
Phys.Lett.B 701 (2011) 240-247
10.1016/j.physletb.2011.05.057
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
New limits for the Violation of Equivalence Principle (VEP) are obtained considering the mass-flavor mixing hypothesis. This analysis includes observations of solar and reactor neutrinos and has obtained a limit for the VEP parameter $|\Delta \gamma|$ contributing to the $\nu_e$ and $\bar{\nu}_e$ disappearance channe...
[ { "created": "Thu, 13 Nov 2008 15:02:55 GMT", "version": "v1" }, { "created": "Thu, 3 Sep 2009 20:32:43 GMT", "version": "v2" }, { "created": "Fri, 6 Dec 2013 16:32:07 GMT", "version": "v3" } ]
2013-12-09
[ [ "Valdiviesso", "G. A.", "" ], [ "Guzzo", "M. M.", "" ], [ "Holanda", "P. C.", "" ] ]
New limits for the Violation of Equivalence Principle (VEP) are obtained considering the mass-flavor mixing hypothesis. This analysis includes observations of solar and reactor neutrinos and has obtained a limit for the VEP parameter $|\Delta \gamma|$ contributing to the $\nu_e$ and $\bar{\nu}_e$ disappearance channels...
hep-ph/0503291
John Strologas
John Strologas and Steven Errede
Study of the angular coefficients and corresponding helicity cross sections of the W boson in hadron collisions
8 pages, 13 figures
Phys.Rev. D73 (2006) 052001
10.1103/PhysRevD.73.052001
null
hep-ph
null
We present the Standard Model prediction for the eight angular coefficients of the W boson, which completely describe its differential cross section in hadron collisions. These coefficients are ratios of the W helicity cross sections and the total unpolarized cross section. We also suggest a technique to experimental...
[ { "created": "Thu, 31 Mar 2005 01:08:48 GMT", "version": "v1" } ]
2009-11-11
[ [ "Strologas", "John", "" ], [ "Errede", "Steven", "" ] ]
We present the Standard Model prediction for the eight angular coefficients of the W boson, which completely describe its differential cross section in hadron collisions. These coefficients are ratios of the W helicity cross sections and the total unpolarized cross section. We also suggest a technique to experimentally...
0808.2114
Zhi-Gang Wang
Zhi-Gang Wang
Final-state interactions in the decays $B^0\to\chi_{c0}K^{*0}$ and $B^+ \to \chi_{c0}K^{*+}$
8 pages, 1 figure, revised version
Eur.Phys.J.C58:245-250,2008
10.1140/epjc/s10052-008-0751-y
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this article, we study the final-state rescattering effects in the decays $B^0\to \chi_{c0}K^{*0}$ and $B^+ \to \chi_{c0}K^{*+}$, and observe the corrections are zero in the SU(3) limit, which is warranted by the heavy quark symmetry. It is difficult to accommodate the experimental data without fine-tuning.
[ { "created": "Fri, 15 Aug 2008 09:13:00 GMT", "version": "v1" }, { "created": "Sat, 8 Nov 2008 08:03:13 GMT", "version": "v2" } ]
2008-12-18
[ [ "Wang", "Zhi-Gang", "" ] ]
In this article, we study the final-state rescattering effects in the decays $B^0\to \chi_{c0}K^{*0}$ and $B^+ \to \chi_{c0}K^{*+}$, and observe the corrections are zero in the SU(3) limit, which is warranted by the heavy quark symmetry. It is difficult to accommodate the experimental data without fine-tuning.
1305.6391
Andrea De Simone
Paolo Ciafaloni, Denis Comelli, Andrea De Simone, Enrico Morgante, Antonio Riotto, Alfredo Urbano
The Role of Electroweak Corrections for the Dark Matter Relic Abundance
17 pages, 2 figures. Minor corrections to match published version
JCAP 1310:031,2013
10.1088/1475-7516/2013/10/031
CERN-PH-TH/2013-108, SISSA 23/2013/FISI
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the validity of the theorems concerning the cancellation of the infrared and collinar divergences in the case of dark matter freeze-out in the early universe. In particular, we compute the electroweak logarithmic corrections of infrared origin to the annihilation cross section of a dark matter particle bei...
[ { "created": "Tue, 28 May 2013 07:34:40 GMT", "version": "v1" }, { "created": "Wed, 30 Oct 2013 17:26:11 GMT", "version": "v2" } ]
2013-10-31
[ [ "Ciafaloni", "Paolo", "" ], [ "Comelli", "Denis", "" ], [ "De Simone", "Andrea", "" ], [ "Morgante", "Enrico", "" ], [ "Riotto", "Antonio", "" ], [ "Urbano", "Alfredo", "" ] ]
We analyze the validity of the theorems concerning the cancellation of the infrared and collinar divergences in the case of dark matter freeze-out in the early universe. In particular, we compute the electroweak logarithmic corrections of infrared origin to the annihilation cross section of a dark matter particle being...
1904.11974
Zhoudunming Tu
Zhoudunming Tu, Dmitri Kharzeev, Thomas Ullrich
The EPR paradox and quantum entanglement at sub-nucleonic scales
Updated manuscript with minor language corrections. It contains 3 main figures, together with 4 supplemental figures and 5 tables
Phys. Rev. Lett. 124, 062001 (2020)
10.1103/PhysRevLett.124.062001
null
hep-ph hep-ex hep-th quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In 1935, in a paper entitled "Can quantum-mechanical description of reality be considered complete?", Einstein, Podolsky, and Rosen (EPR) formulated an apparent paradox of quantum theory. They considered two quantum systems that were initially allowed to interact, and were then later separated. A measurement of a phy...
[ { "created": "Fri, 26 Apr 2019 17:56:31 GMT", "version": "v1" }, { "created": "Fri, 24 May 2019 17:43:13 GMT", "version": "v2" } ]
2020-02-19
[ [ "Tu", "Zhoudunming", "" ], [ "Kharzeev", "Dmitri", "" ], [ "Ullrich", "Thomas", "" ] ]
In 1935, in a paper entitled "Can quantum-mechanical description of reality be considered complete?", Einstein, Podolsky, and Rosen (EPR) formulated an apparent paradox of quantum theory. They considered two quantum systems that were initially allowed to interact, and were then later separated. A measurement of a physi...
2004.03077
Gil Paz
Gil Paz
Model Independent Extraction of the Proton Charge Radius from PRad data
11 pages, 4 figures, references added, journal version
Mod. Phys. Lett. A, 36, 2150143 (2021)
10.1142/S0217732321501431
WSU-HEP-2001
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The proton radius puzzle has motivated several new experiments that aim to extract the proton charge radius and resolve the puzzle. Recently PRad, a new electron-proton scattering experiment at Jefferson Lab, reported a proton charge radius of $0.831\pm 0.007_\textnormal{statistical}\pm 0.012_\textnormal{systematic}$...
[ { "created": "Tue, 7 Apr 2020 02:13:03 GMT", "version": "v1" }, { "created": "Tue, 20 Jul 2021 18:55:03 GMT", "version": "v2" } ]
2021-07-22
[ [ "Paz", "Gil", "" ] ]
The proton radius puzzle has motivated several new experiments that aim to extract the proton charge radius and resolve the puzzle. Recently PRad, a new electron-proton scattering experiment at Jefferson Lab, reported a proton charge radius of $0.831\pm 0.007_\textnormal{statistical}\pm 0.012_\textnormal{systematic}$. ...
1311.7310
Heikki M\"antysaari
T. Lappi, H. M\"antysaari
Particle Production in the Color Class Condensate: from electron-proton DIS to proton-nucleus collisions
8 pages, 8 figures. Talk by H.M. at the International Conference on the Initial Stages in High-Energy Nuclear Collisions (IS2013), Spain, September 8-14 2013. Conference proceedings article
Nucl. Phys. A926 (2014) 186-197
10.1016/j.nuclphysa.2014.02.017
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study single inclusive hadron production in proton-proton and proton-nucleus collisions in the CGC framework. The parameters in the calculation are obtained by fitting electron-proton deep inelastic scattering data. The obtained dipole-proton amplitude is generalized to dipole-nucleus scattering without any additi...
[ { "created": "Thu, 28 Nov 2013 13:13:33 GMT", "version": "v1" } ]
2014-06-13
[ [ "Lappi", "T.", "" ], [ "Mäntysaari", "H.", "" ] ]
We study single inclusive hadron production in proton-proton and proton-nucleus collisions in the CGC framework. The parameters in the calculation are obtained by fitting electron-proton deep inelastic scattering data. The obtained dipole-proton amplitude is generalized to dipole-nucleus scattering without any addition...
hep-ph/0602037
Lev Okun
L.B. Okun
The Concept of Mass in the Einstein Year
19 pages, Presented at the 12th Lomonosov conference on Elementary Particle Physics, Moscow State University, August 25-31
null
10.1142/9789812772657_0001
null
hep-ph
null
Various facets of the concept of mass are discussed. The masses of elementary particles and the search for higgs. The masses of hadrons. The pedagogical virus of relativistic mass.
[ { "created": "Fri, 3 Feb 2006 15:58:53 GMT", "version": "v1" } ]
2016-12-07
[ [ "Okun", "L. B.", "" ] ]
Various facets of the concept of mass are discussed. The masses of elementary particles and the search for higgs. The masses of hadrons. The pedagogical virus of relativistic mass.
hep-ph/0312285
K. S. Babu
K.S. Babu and Gerhart Seidl (Oklahoma State University)
Simple Model for (3+2) Neutrino Oscillations
12 pages in LaTeX, typos corrected, reference added
Phys.Lett. B591 (2004) 127-136
10.1016/j.physletb.2004.03.086
OSU-HEP-03-15
hep-ph
null
We formulate a set of naturalness criteria for sterile neutrinos (\nu') to be light, needed for reconciling the LSND neutrino anomaly with the other neutrino data. A light sterile neutrino becomes as natural as the light active neutrinos if it carries quantum numbers of a chiral gauge symmetry broken at the TeV scale...
[ { "created": "Fri, 19 Dec 2003 20:46:58 GMT", "version": "v1" }, { "created": "Tue, 30 Dec 2003 05:34:47 GMT", "version": "v2" } ]
2009-11-10
[ [ "Babu", "K. S.", "", "Oklahoma State University" ], [ "Seidl", "Gerhart", "", "Oklahoma State University" ] ]
We formulate a set of naturalness criteria for sterile neutrinos (\nu') to be light, needed for reconciling the LSND neutrino anomaly with the other neutrino data. A light sterile neutrino becomes as natural as the light active neutrinos if it carries quantum numbers of a chiral gauge symmetry broken at the TeV scale. ...
hep-ph/0409208
John F. Gunion
John F. Gunion (U.C. Davis) and Michal Szleper (Northwestern U.)
NMSSM Higgs Detection: LHC, LC, $\gam C$ Collider Complementarity and Higgs-to-Higgs Decays
6 pages, 2 figures, To appear in Proceedings of the International Conference on Linear Colliders, Paris, April 19-23, 2004
null
null
null
hep-ph
null
We discuss the importance of being able to detect Higgs-to-Higgs-pair decays in the context of the Next-to-Minimal Supersymmetric Model (NMSSM) and demonstrate the excellent capabilities of a photon collider for this purpose.
[ { "created": "Fri, 17 Sep 2004 01:12:33 GMT", "version": "v1" } ]
2007-05-23
[ [ "Gunion", "John F.", "", "U.C. Davis" ], [ "Szleper", "Michal", "", "Northwestern U." ] ]
We discuss the importance of being able to detect Higgs-to-Higgs-pair decays in the context of the Next-to-Minimal Supersymmetric Model (NMSSM) and demonstrate the excellent capabilities of a photon collider for this purpose.
2102.05922
Andrzej Kup\'s\'c Dr
Shuang-shi Fang (IHEP and UCAS, Beijing), Bastian Kubis (Bonn U., HISKP), Andrzej Kupsc (Uppsala U. and NCBJ, Warsaw)
What can we learn about light-meson interactions at electron-positron colliders?
132 pages, 74 figures (v2: typos corrected, references updated, corresponds to the published version)
Prog. Part. Nucl. Phys. 120 (2021) 103884
10.1016/j.ppnp.2021.103884
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Precision studies at electron-positron colliders with center-of-mass energies in the charm-tau region and below have strongly contributed to our understanding of light-meson interactions at low energies. We focus on the processes involving two or three light mesons with invariant masses below nucleon-antinucleon thre...
[ { "created": "Thu, 11 Feb 2021 10:20:31 GMT", "version": "v1" }, { "created": "Thu, 15 Jul 2021 10:35:33 GMT", "version": "v2" } ]
2021-07-16
[ [ "Fang", "Shuang-shi", "", "IHEP and UCAS, Beijing" ], [ "Kubis", "Bastian", "", "Bonn U.,\n HISKP" ], [ "Kupsc", "Andrzej", "", "Uppsala U. and NCBJ, Warsaw" ] ]
Precision studies at electron-positron colliders with center-of-mass energies in the charm-tau region and below have strongly contributed to our understanding of light-meson interactions at low energies. We focus on the processes involving two or three light mesons with invariant masses below nucleon-antinucleon thresh...
1511.08429
Gennaro Corcella
Gennaro Corcella
Interpretation of the top-quark mass measurements: a theory overview
6 pages, 1 figure. Talk given at TOP 2015, 8th International Workshop on Top Quark Physics, 14-18 September 2015, Ischia, Italy. Minor changes after referee report
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I discuss the theoretical interpretation of the top-quark mass, which is extracted in standard and alternative measurements at the LHC. In particular, I point out that the top mass extracted in analyses relying on the use of Monte Carlo event generators must be close to the pole mass and review recent work aiming at ...
[ { "created": "Thu, 26 Nov 2015 15:46:46 GMT", "version": "v1" }, { "created": "Mon, 29 Feb 2016 09:20:16 GMT", "version": "v2" } ]
2016-03-01
[ [ "Corcella", "Gennaro", "" ] ]
I discuss the theoretical interpretation of the top-quark mass, which is extracted in standard and alternative measurements at the LHC. In particular, I point out that the top mass extracted in analyses relying on the use of Monte Carlo event generators must be close to the pole mass and review recent work aiming at es...
2008.01568
Waqas Ahmed
Waqas Ahmed, Shabbar Raza, Qaisar Shafi, Cem Salih Un, Bin Zhu
Sparticle Spectroscopy and Dark Matter in a $U(1)_{B-L}$ extension of MSSM
23 pages,4 figures
null
10.1007/JHEP01(2021)161
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a class of SUSY models in which the MSSM gauge group is supplemented with a gauged $U(1)_{B-L}$ symmetry and a global $U(1)_{R}$ symmetry. This extension introduces only electrically neutral states, and the new SUSY partners effectively double the number of states in the neutralino sector that now include...
[ { "created": "Tue, 4 Aug 2020 14:07:50 GMT", "version": "v1" } ]
2021-02-24
[ [ "Ahmed", "Waqas", "" ], [ "Raza", "Shabbar", "" ], [ "Shafi", "Qaisar", "" ], [ "Un", "Cem Salih", "" ], [ "Zhu", "Bin", "" ] ]
We consider a class of SUSY models in which the MSSM gauge group is supplemented with a gauged $U(1)_{B-L}$ symmetry and a global $U(1)_{R}$ symmetry. This extension introduces only electrically neutral states, and the new SUSY partners effectively double the number of states in the neutralino sector that now includes ...
hep-ph/9610311
null
Rabindra N. Mohapatra and Shmuel Nussinov
Can Long Range Anomalous Neutrino Interactions Account for the Measured Tritium Beta Decay Spectrum ?
12 pages; No figures
Phys.Lett. B395 (1997) 63-68
10.1016/S0370-2693(97)00054-3
UMD-PP-97-38
hep-ph
null
Recent experimental searches for neutrino mass in tritium beta decay yield a negative value for the mass-squared of the electron neutrino. If this effect is genuine, then it is hard to understand it using conventional particle physics ideas as embodied in the standard model or its simple extensions that have been wid...
[ { "created": "Thu, 10 Oct 1996 15:36:45 GMT", "version": "v1" } ]
2009-10-28
[ [ "Mohapatra", "Rabindra N.", "" ], [ "Nussinov", "Shmuel", "" ] ]
Recent experimental searches for neutrino mass in tritium beta decay yield a negative value for the mass-squared of the electron neutrino. If this effect is genuine, then it is hard to understand it using conventional particle physics ideas as embodied in the standard model or its simple extensions that have been widel...
hep-ph/9309219
Giulio Mignola
A. Bottino, V. de Alfaro, N. Fornengo, G. Mignola, S. Scopel
On the Neutralino as Dark Matter Candidate - II. Direct Detection
(18 pages plain TeX, 24 figures not included, available from the authors) DFTT-38/93
Astropart.Phys.2:77-90,1994
10.1016/0927-6505(94)90019-1
null
hep-ph
null
Evaluations of the event rates relevant to direct search for dark matter neutralino are presented for a wide range of neutralino masses and for various detector materials of preeminent interest. Differential and total rates are appropriately weighted over the local neutralino density expected on theoretical grounds.
[ { "created": "Fri, 3 Sep 1993 10:38:48 GMT", "version": "v1" } ]
2011-05-23
[ [ "Bottino", "A.", "" ], [ "de Alfaro", "V.", "" ], [ "Fornengo", "N.", "" ], [ "Mignola", "G.", "" ], [ "Scopel", "S.", "" ] ]
Evaluations of the event rates relevant to direct search for dark matter neutralino are presented for a wide range of neutralino masses and for various detector materials of preeminent interest. Differential and total rates are appropriately weighted over the local neutralino density expected on theoretical grounds.
0706.3138
Heinrich Leutwyler
H. Leutwyler
Insights and puzzles in light quark physics
Contribution to the proceedings of the Rencontres de Moriond on QCD and Hadronic Interactions, La Thuile, Italy, March 2007; added references, minor changes in the text
null
null
null
hep-ph
null
Recent work in light flavour hadron physics is reviewed. In particular, I discuss the significance of the progress achieved with light dynamical quarks on the lattice for the effective low energy theory of QCD. Also, I draw attention to some puzzling results from NA48 and KTeV concerning the scalar form factor releva...
[ { "created": "Thu, 21 Jun 2007 13:25:50 GMT", "version": "v1" }, { "created": "Tue, 10 Jul 2007 10:27:01 GMT", "version": "v2" } ]
2007-07-10
[ [ "Leutwyler", "H.", "" ] ]
Recent work in light flavour hadron physics is reviewed. In particular, I discuss the significance of the progress achieved with light dynamical quarks on the lattice for the effective low energy theory of QCD. Also, I draw attention to some puzzling results from NA48 and KTeV concerning the scalar form factor relevant...
hep-ph/9412262
Rulin Xiu
Rulin Xiu
Supersymmetry Breaking Scheme and The Derivation of $M_{GUT}=10^{16}GeV$ from A String Model
12 pages, some correction of latex errors
null
null
ACT-16/94
hep-ph
null
We propose that a modified version of string-inspired supersymmetry breaking schemes in \cite{wit2} and \cite{ross} may make affine level one SU(5) and SO(10) string models with intermediate gauge symmetry breaking scale $M_{GUT}=10^{16}GeV$ possible; doublet-triplet problem can also be solved. In particular, we prop...
[ { "created": "Thu, 8 Dec 1994 22:29:24 GMT", "version": "v1" }, { "created": "Thu, 19 Jan 1995 22:06:37 GMT", "version": "v2" }, { "created": "Wed, 6 Sep 1995 19:06:50 GMT", "version": "v3" }, { "created": "Mon, 11 Sep 1995 19:02:50 GMT", "version": "v4" } ]
2008-02-03
[ [ "Xiu", "Rulin", "" ] ]
We propose that a modified version of string-inspired supersymmetry breaking schemes in \cite{wit2} and \cite{ross} may make affine level one SU(5) and SO(10) string models with intermediate gauge symmetry breaking scale $M_{GUT}=10^{16}GeV$ possible; doublet-triplet problem can also be solved. In particular, we propos...
hep-ph/9608358
Koichi Funakubo
Koichi Funakubo
CP Violation and Baryogenesis at the Electroweak Phase Transition
Needs LaTeX 2e, 13 eps files included, To be published in Prog.Theor.Phys. 96, No.3 (1996). A corrupted eps file is replaced
Prog.Theor.Phys. 96 (1996) 475-520
10.1143/PTP.96.475
SAGA-HE-108
hep-ph
null
We report a recent attempt to relate $CP$ violation in the electroweak theory with two Higgs doublets to the baryon asymmetry generated at the electroweak phase transition, after surveying the scenario of the electroweak baryogenesis.
[ { "created": "Mon, 19 Aug 1996 03:02:47 GMT", "version": "v1" }, { "created": "Tue, 17 Sep 1996 10:11:11 GMT", "version": "v2" }, { "created": "Thu, 10 Oct 1996 09:07:59 GMT", "version": "v3" } ]
2009-10-28
[ [ "Funakubo", "Koichi", "" ] ]
We report a recent attempt to relate $CP$ violation in the electroweak theory with two Higgs doublets to the baryon asymmetry generated at the electroweak phase transition, after surveying the scenario of the electroweak baryogenesis.
hep-ph/0412312
Gastao Krein
Eduardo S. Fraga and G. Krein
Can dissipation prevent explosive decomposition in high-energy heavy ion collisions?
9 latex pages, 4 eps figures, version to appear in Phys. Lett. B
Phys.Lett. B614 (2005) 181-186
10.1016/j.physletb.2005.03.079
null
hep-ph nucl-th
null
We discuss the role of dissipation in the explosive spinodal decomposition scenario of hadron production during the chiral transition after a high-energy heavy ion collision. We use a Langevin description inspired by microscopic nonequilibrium field theory results to perform real-time lattice simulations of the behav...
[ { "created": "Tue, 21 Dec 2004 14:08:27 GMT", "version": "v1" }, { "created": "Tue, 12 Apr 2005 18:51:33 GMT", "version": "v2" } ]
2009-11-10
[ [ "Fraga", "Eduardo S.", "" ], [ "Krein", "G.", "" ] ]
We discuss the role of dissipation in the explosive spinodal decomposition scenario of hadron production during the chiral transition after a high-energy heavy ion collision. We use a Langevin description inspired by microscopic nonequilibrium field theory results to perform real-time lattice simulations of the behavio...
1911.00076
Valery Lyubovitskij
Thomas Gutsche, Valery E. Lyubovitskij, Ivan Schmidt
$\gamma N \to N^*(1535)$ transition in soft-wall AdS/QCD
arXiv admin note: text overlap with arXiv:1906.08641
Phys. Rev. D 101, 034026 (2020)
10.1103/PhysRevD.101.034026
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a study of the $N^*(1535)$ resonance electroexcitation in a soft-wall AdS/QCD model. Both the transverse $A_{1/2}^p$ and longitudinal $S_{1/2}^p$ helicity amplitudes are calculated resulting in good agreement with data and with the MAID parametrization.
[ { "created": "Thu, 31 Oct 2019 19:50:18 GMT", "version": "v1" }, { "created": "Mon, 24 Feb 2020 15:56:09 GMT", "version": "v2" } ]
2020-02-26
[ [ "Gutsche", "Thomas", "" ], [ "Lyubovitskij", "Valery E.", "" ], [ "Schmidt", "Ivan", "" ] ]
We present a study of the $N^*(1535)$ resonance electroexcitation in a soft-wall AdS/QCD model. Both the transverse $A_{1/2}^p$ and longitudinal $S_{1/2}^p$ helicity amplitudes are calculated resulting in good agreement with data and with the MAID parametrization.
1106.1786
Eugene Zabrodin
M.S. Nilsson, L.V. Malinina, J. Bleibel, L.V. Bravina, E.E. Zabrodin
Study of $\pi\pi$ correlations at LHC and RHIC energies in $pp$ collisions within the quark-gluon string model
9 pages, 14 figures, 2 tables
null
10.1103/PhysRevD.84.054006
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The Quark Gluon String Model (QGSM) reproduces well the global characteristics of the $pp$ collisions at RHIC and LHC, e.g., the pseudorapidity and transverse momenta distributions at different centralities. The main goal of this work is to employ the Monte Carlo QGSM for description of femtoscopic characteristics in...
[ { "created": "Thu, 9 Jun 2011 12:21:51 GMT", "version": "v1" } ]
2015-05-28
[ [ "Nilsson", "M. S.", "" ], [ "Malinina", "L. V.", "" ], [ "Bleibel", "J.", "" ], [ "Bravina", "L. V.", "" ], [ "Zabrodin", "E. E.", "" ] ]
The Quark Gluon String Model (QGSM) reproduces well the global characteristics of the $pp$ collisions at RHIC and LHC, e.g., the pseudorapidity and transverse momenta distributions at different centralities. The main goal of this work is to employ the Monte Carlo QGSM for description of femtoscopic characteristics in $...
hep-ph/9502407
null
S.V.Goloskokov, S.P.Kuleshov, O.V.Selyugin
Supercritical Pomeron and eikonal representation of the diffraction scattering amplitude
LaTex text of the article + 1 Fig.1 in LaTex form
Mod.Phys.Lett. A10 (1995) 1959-1968
10.1142/S0217732395002106
IPNO/TH 95-12 FEBRUARY 1995
hep-ph
null
The intercept of the supercritical Pomeron is examined with the use of different forms of the scattering amplitudes of the bare Pomeron. The one-to-one correspondence between the eikonal phase and the ratio of the elastic and total cross section is shown. Based on new experimental data of the CDF Collaboration, the i...
[ { "created": "Tue, 28 Feb 1995 10:03:57 GMT", "version": "v1" }, { "created": "Wed, 1 Mar 1995 14:09:15 GMT", "version": "v2" } ]
2016-09-01
[ [ "Goloskokov", "S. V.", "" ], [ "Kuleshov", "S. P.", "" ], [ "Selyugin", "O. V.", "" ] ]
The intercept of the supercritical Pomeron is examined with the use of different forms of the scattering amplitudes of the bare Pomeron. The one-to-one correspondence between the eikonal phase and the ratio of the elastic and total cross section is shown. Based on new experimental data of the CDF Collaboration, the int...
2107.08771
Marcus Pernow
Tommy Ohlsson and Marcus Pernow
Flavor Symmetries in the Yukawa Sector of Non-Supersymmetric SO(10): Numerical Fits Using Renormalization Group Running
19 pages, 4 tables. Final version published in JHEP
JHEP 09 (2021) 111
10.1007/JHEP09(2021)111
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider a class of $\text{SO}(10)$ models with flavor symmetries in the Yukawa sector and investigate their viability by performing numerical fits to the fermion masses and mixing parameters. The fitting procedure involves a top-down approach in which we solve the renormalization group equations from the scale of...
[ { "created": "Mon, 19 Jul 2021 11:55:39 GMT", "version": "v1" }, { "created": "Wed, 22 Sep 2021 14:35:33 GMT", "version": "v2" } ]
2021-09-23
[ [ "Ohlsson", "Tommy", "" ], [ "Pernow", "Marcus", "" ] ]
We consider a class of $\text{SO}(10)$ models with flavor symmetries in the Yukawa sector and investigate their viability by performing numerical fits to the fermion masses and mixing parameters. The fitting procedure involves a top-down approach in which we solve the renormalization group equations from the scale of g...
2312.17287
Li-Sheng Geng
Jia-Ming Xie, Jun-Xu Lu, Li-Sheng Geng, and Bing-Song Zou
Dynamical origin of universal two-pole structures and their light quark mass evolution
6 pages, 2 figures; presentation given by Li-Sheng Geng at MENU2023
null
null
null
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Two-pole structures refer to the fact that two dynamically generated states are located close to each other between two coupled channels and have a mass difference smaller than the sum of their widths. Thus, the two poles overlap in the invariant mass distribution of their decay products, creating the impression that...
[ { "created": "Thu, 28 Dec 2023 08:05:24 GMT", "version": "v1" } ]
2024-01-01
[ [ "Xie", "Jia-Ming", "" ], [ "Lu", "Jun-Xu", "" ], [ "Geng", "Li-Sheng", "" ], [ "Zou", "Bing-Song", "" ] ]
Two-pole structures refer to the fact that two dynamically generated states are located close to each other between two coupled channels and have a mass difference smaller than the sum of their widths. Thus, the two poles overlap in the invariant mass distribution of their decay products, creating the impression that o...
0912.2611
Juha Peltoniemi
Juha Peltoniemi
Simulations of neutrino oscillations for a low-energy neutrino factory with a magnetized large-volume liquid scintillator at 2288 km baseline
12 pages
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A magnetized large-volume liquid scintillator might be used as a tracking detector with charge identification to measure high-energy neutrinos. I consider neutrino oscillations for a beam from a low-energy neutrino factory to such a detector for the baseline CERN-Pyhasalmi, with the length of 2288 km. The range to st...
[ { "created": "Mon, 14 Dec 2009 10:48:41 GMT", "version": "v1" } ]
2009-12-15
[ [ "Peltoniemi", "Juha", "" ] ]
A magnetized large-volume liquid scintillator might be used as a tracking detector with charge identification to measure high-energy neutrinos. I consider neutrino oscillations for a beam from a low-energy neutrino factory to such a detector for the baseline CERN-Pyhasalmi, with the length of 2288 km. The range to stud...
1103.0140
Grigoris Panotopoulos
Grigoris Panotopoulos
The degenerate scenario in the NMSSM: Direct singlino-like neutralino searches with a gravitino LSP
8 pages, 6 figures, prepared for DISCRETE 2010, 6-11 December 2010, Sapienza Universita di Roma-ITALY
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A two-component dark matter model is studied adopting the degenerate scenario in the R-parity conserving NMSSM. The gravitino LSP and the neutralino NLSP are extremely degenerate in mass, avoiding the BBN bounds and obtaining a high reheating temperature for thermal leptogenesis to work. In this model both gravitino ...
[ { "created": "Tue, 1 Mar 2011 11:32:53 GMT", "version": "v1" } ]
2011-03-02
[ [ "Panotopoulos", "Grigoris", "" ] ]
A two-component dark matter model is studied adopting the degenerate scenario in the R-parity conserving NMSSM. The gravitino LSP and the neutralino NLSP are extremely degenerate in mass, avoiding the BBN bounds and obtaining a high reheating temperature for thermal leptogenesis to work. In this model both gravitino (a...
2206.13792
Mohammad Sajjad Athar
M. Sajjad Athar, A. Fatima, and S. K. Singh
Neutrinos and their interactions with matter
204 pages, 108 figures; Progress in particle and nuclear physics, Elsevier (in Press)
null
null
null
hep-ph hep-ex nucl-th
http://creativecommons.org/publicdomain/zero/1.0/
We have presented a review of the properties of neutrinos and their interactions with matter. The different (anti)neutrino processes like the quasielastic scattering, inelastic production of mesons and hyperons, and the deep inelastic scattering from the free nucleons are discussed and the results for the scattering ...
[ { "created": "Tue, 28 Jun 2022 07:17:55 GMT", "version": "v1" }, { "created": "Wed, 3 Aug 2022 07:29:28 GMT", "version": "v2" }, { "created": "Sat, 10 Dec 2022 07:37:41 GMT", "version": "v3" } ]
2022-12-13
[ [ "Athar", "M. Sajjad", "" ], [ "Fatima", "A.", "" ], [ "Singh", "S. K.", "" ] ]
We have presented a review of the properties of neutrinos and their interactions with matter. The different (anti)neutrino processes like the quasielastic scattering, inelastic production of mesons and hyperons, and the deep inelastic scattering from the free nucleons are discussed and the results for the scattering cr...
hep-ph/9505331
Raymond Volkas
R. Foot and R. R. Volkas
New and improved quark-lepton symmetric models
10 pages, Latex
Phys.Lett. B358 (1995) 318-324
10.1016/0370-2693(95)01031-K
UM-P-95/48
hep-ph
null
We show how the use of a see-saw mechanism based on a $3 \times 3$ neutrino mass matrix texture can considerably simplify Higgs sectors for quark-lepton symmetric models (and for Standard Model extensions generally). The main theory we discuss also incorporates a previously considered scenario whereby the charged lep...
[ { "created": "Thu, 18 May 1995 06:41:41 GMT", "version": "v1" } ]
2009-10-28
[ [ "Foot", "R.", "" ], [ "Volkas", "R. R.", "" ] ]
We show how the use of a see-saw mechanism based on a $3 \times 3$ neutrino mass matrix texture can considerably simplify Higgs sectors for quark-lepton symmetric models (and for Standard Model extensions generally). The main theory we discuss also incorporates a previously considered scenario whereby the charged lepto...
hep-ph/0012209
null
D.Yu.Bardin (JINR, Dubna), L.V.Kalinovskaya (JINR, Dubna), F.V.Tkachov (INR, Moscow)
New algebraic-numeric methods for loop integrals. Some 1-loop experience
3p PS
null
null
null
hep-ph
null
We report our experiences with the generalized integration-by-parts algorithm [hep-ph/9609429] in the context of calculations of a realistic one-loop subset of diagrams.
[ { "created": "Sun, 17 Dec 2000 10:58:38 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bardin", "D. Yu.", "", "JINR, Dubna" ], [ "Kalinovskaya", "L. V.", "", "JINR, Dubna" ], [ "Tkachov", "F. V.", "", "INR, Moscow" ] ]
We report our experiences with the generalized integration-by-parts algorithm [hep-ph/9609429] in the context of calculations of a realistic one-loop subset of diagrams.
0902.1893
Gautam Bhattacharyya
Gautam Bhattacharyya, Tirtha Sankar Ray
Probing warped extra dimension via gg -> h and h -> gamma gamma at LHC
v3: 7 pages, 3 figs. Further clarifications added, matches version published in Phys Lett B
Phys.Lett.B675:222-225,2009
10.1016/j.physletb.2009.03.069
SINP/TNP/2009/06
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The processes gg -> h and h -> gamma gamma are of paramount importance in the context of Higgs search at the LHC. These processes are loop driven and hence could be sensitive to the presence of any new colored fermion states having a large coupling with the Higgs. Such a scenario arises in a warped extra dimensional ...
[ { "created": "Wed, 11 Feb 2009 13:57:55 GMT", "version": "v1" }, { "created": "Mon, 30 Mar 2009 11:29:16 GMT", "version": "v2" }, { "created": "Tue, 21 Apr 2009 13:20:26 GMT", "version": "v3" } ]
2010-04-23
[ [ "Bhattacharyya", "Gautam", "" ], [ "Ray", "Tirtha Sankar", "" ] ]
The processes gg -> h and h -> gamma gamma are of paramount importance in the context of Higgs search at the LHC. These processes are loop driven and hence could be sensitive to the presence of any new colored fermion states having a large coupling with the Higgs. Such a scenario arises in a warped extra dimensional th...
0901.4679
Stefano Actis
Stefano Actis
Dominant NNLO Corrections to Four-Fermion Production at the WW Threshold
4 pages, 3 figures, talk given at LCWS08, Chicago, November 2008
null
null
PITHA 09/03; SFB/CPP-09-07
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The recent evaluation of the parametrically dominant next-to-next-to-leading order corrections to four-fermion production near the W-pair threshold in the framework of unstable-particle effective theory is briefly summarized.
[ { "created": "Thu, 29 Jan 2009 13:47:02 GMT", "version": "v1" } ]
2009-01-30
[ [ "Actis", "Stefano", "" ] ]
The recent evaluation of the parametrically dominant next-to-next-to-leading order corrections to four-fermion production near the W-pair threshold in the framework of unstable-particle effective theory is briefly summarized.
hep-ph/0203175
Anna Dubnickova
C. Adamuscin, A.Z. Dubnickova, S. Dubnicka, R. Pekarik and P. Weisenpacher
Asymptotic conditions for electromagnetic form factors of hadrons represented by VMD model
Latex, 13 pages
Eur.Phys.J.C28:115-118,2003
10.1140/epjc/s2003-01143-3
null
hep-ph
null
A system of linear homogeneous algebraic equations for coupling constant ratios of vector-mesons to hadrons is derived by imposing an asymptotic behaviuor upon the VMD pole parametrization of an hadron electromagnetic form factor. A similar system of equations with a simpler structure of coefficients, taken as even p...
[ { "created": "Mon, 18 Mar 2002 17:46:00 GMT", "version": "v1" } ]
2011-09-13
[ [ "Adamuscin", "C.", "" ], [ "Dubnickova", "A. Z.", "" ], [ "Dubnicka", "S.", "" ], [ "Pekarik", "R.", "" ], [ "Weisenpacher", "P.", "" ] ]
A system of linear homogeneous algebraic equations for coupling constant ratios of vector-mesons to hadrons is derived by imposing an asymptotic behaviuor upon the VMD pole parametrization of an hadron electromagnetic form factor. A similar system of equations with a simpler structure of coefficients, taken as even pow...
hep-ph/0101120
Jackie Grant
Jackie Grant and Mark Hindmarsh
Sphalerons in Two Higgs Doublet Theories
null
Phys.Rev. D64 (2001) 016002
10.1103/PhysRevD.64.016002
SUSX-01-003
hep-ph
null
We undertake a comprehensive investigation of the properties of the sphaleron in electroweak theories with two Higgs doublets. We do this in as model-independent a way as possible: by exploring the physical parameter space described by the masses and mixing angles of the Higgs particles. If there is a large split in ...
[ { "created": "Thu, 11 Jan 2001 18:56:24 GMT", "version": "v1" } ]
2009-11-07
[ [ "Grant", "Jackie", "" ], [ "Hindmarsh", "Mark", "" ] ]
We undertake a comprehensive investigation of the properties of the sphaleron in electroweak theories with two Higgs doublets. We do this in as model-independent a way as possible: by exploring the physical parameter space described by the masses and mixing angles of the Higgs particles. If there is a large split in th...
1405.3022
Zhen-hua Zhao
Zhen-hua Zhao
Minimal modifications to the Tri-Bimaximal neutrino mixing
21 pages, version accepted for publication in JHEP
JHEP11(2014)143
10.1007/JHEP11(2014)143
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In light of the observation of a relatively large $\theta_{13}$, the ever popular Tri-Bimaximal (TBM) neutrino mixing which predicts a vanishing $\theta_{13}$ needs modifications. In this paper, we shall discuss the possibility of modifying it in a minimal way to fulfil this task. In the first part, a neutrino mass m...
[ { "created": "Tue, 13 May 2014 03:15:03 GMT", "version": "v1" }, { "created": "Sun, 31 Aug 2014 06:35:43 GMT", "version": "v2" }, { "created": "Fri, 21 Nov 2014 03:10:03 GMT", "version": "v3" } ]
2015-06-19
[ [ "Zhao", "Zhen-hua", "" ] ]
In light of the observation of a relatively large $\theta_{13}$, the ever popular Tri-Bimaximal (TBM) neutrino mixing which predicts a vanishing $\theta_{13}$ needs modifications. In this paper, we shall discuss the possibility of modifying it in a minimal way to fulfil this task. In the first part, a neutrino mass mat...
1109.5212
Vali Bashiry
V. Bashiry
On the mass and the decay constant of recently observed bound state $h_b(1P)$
8 pages, 5 figures
null
10.1103/PhysRevD.84.076008
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The mass and decay constant of the ground state of spin singlet $b \bar{b}$ is calculated by using the QCD sum rules method. This meson is an axial vector $P$-wave named $h_b(1P)$ meson with $J^P =1^+$. It is found that the mass of this meson is $(m=9940\pm 37)$ MeV, which is consistent with the recent experimental d...
[ { "created": "Fri, 23 Sep 2011 22:42:42 GMT", "version": "v1" } ]
2015-05-30
[ [ "Bashiry", "V.", "" ] ]
The mass and decay constant of the ground state of spin singlet $b \bar{b}$ is calculated by using the QCD sum rules method. This meson is an axial vector $P$-wave named $h_b(1P)$ meson with $J^P =1^+$. It is found that the mass of this meson is $(m=9940\pm 37)$ MeV, which is consistent with the recent experimental dat...
0904.3309
Anna Radovskaya
A. A. Radovskaya and E. A. Kuraev
Radiative corrections to the spectra of heavy particles annihilation into leptons: Dark matter implementation
19 pages, 6 figures.
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the radiative corrections to the annihilation of the Dark Matter particles into leptons. Lepton masses are taken into account. As the Dark Matter particles are considered both Dirac and Majorana fermions. We sum up all the leading logarithms contributions where it is possible. We show that in the Dirac f...
[ { "created": "Tue, 21 Apr 2009 18:53:30 GMT", "version": "v1" }, { "created": "Mon, 8 Jun 2009 11:42:16 GMT", "version": "v2" }, { "created": "Mon, 26 Apr 2010 23:11:02 GMT", "version": "v3" } ]
2010-04-28
[ [ "Radovskaya", "A. A.", "" ], [ "Kuraev", "E. A.", "" ] ]
We calculate the radiative corrections to the annihilation of the Dark Matter particles into leptons. Lepton masses are taken into account. As the Dark Matter particles are considered both Dirac and Majorana fermions. We sum up all the leading logarithms contributions where it is possible. We show that in the Dirac fer...
hep-ph/0410115
Berndt Muller
Berndt M\"uller
Heavy Ions -- Prospects at the LHC
Invited lecture presented at the LHC2004 conference in Vienna (Austria)
Czech.J.Phys.55:B313-B323,2005
null
null
hep-ph
null
This is a review of the physics prospects for relativistic heavy ion collisions in the CERN Large Hadron Collider. The motivation for the study of superdense matter created in relativistic heavy ion collision is the prospect of observing a novel state of strongly interacting matter, the quark-gluon plasma. Experiment...
[ { "created": "Thu, 7 Oct 2004 15:57:33 GMT", "version": "v1" }, { "created": "Wed, 13 Oct 2004 17:34:06 GMT", "version": "v2" } ]
2011-01-25
[ [ "Müller", "Berndt", "" ] ]
This is a review of the physics prospects for relativistic heavy ion collisions in the CERN Large Hadron Collider. The motivation for the study of superdense matter created in relativistic heavy ion collision is the prospect of observing a novel state of strongly interacting matter, the quark-gluon plasma. Experiments ...
hep-ph/9507423
Alasdair James Gill
T.S.Evans, A.J. Gill and R.J. Rivers
Vortex Production in Non-Relativistic and Relativistic Media
20 pages, RevTeX and epsf, 1 postscript figure. Resubmitted because archive (not a bulletin board) ate the figures file first time round. Available through anonymous ftp as LaTeX from ftp://euclid.tp.ph.ic.ac.uk/papers/94-5_53.tex or as LaTeX or postscript at http://euclid.tp.ph.ic.ac.uk/Papers/index.html
null
null
Imperial/TP/94-95/53
hep-ph
null
We examine string (vortex) formation at a quench for a weakly-coupled global U(1) theory when the excitation spectrum is non-relativistic. It is so similar to vortex production in the corresponding relativistic plasma as to reinforce arguments for the similarity of vortex production in the early universe and in low-t...
[ { "created": "Wed, 26 Jul 1995 17:21:08 GMT", "version": "v1" }, { "created": "Thu, 27 Jul 1995 14:01:53 GMT", "version": "v2" } ]
2008-02-03
[ [ "Evans", "T. S.", "" ], [ "Gill", "A. J.", "" ], [ "Rivers", "R. J.", "" ] ]
We examine string (vortex) formation at a quench for a weakly-coupled global U(1) theory when the excitation spectrum is non-relativistic. It is so similar to vortex production in the corresponding relativistic plasma as to reinforce arguments for the similarity of vortex production in the early universe and in low-tem...
1408.5944
Guillermo Henry Ram\'irez Ulloa
J.E. Cieza Montalvo, C. A. Morgan Cruz, R. J. Gil Ramirez, G. H. Ramirez Ulloa, A. I. Rivasplata Mendoza and M. D. Tonasse
Neutral 3-3-1 Higgs Boson Through $e^{+} e^{-} Collisions
15 pages, 3 figures. arXiv admin note: substantial text overlap with arXiv:hep-ph/0506154, arXiv:1311.0845, arXiv:1205.4042
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we present an analysis of production and signature of neutral Higgs bosons $H_2^0$ in the version of the 3-3-1 model containing heavy leptons at the ILC (International Linear Collider) and CLIC (Cern Linear Collider). The production rate is found to be significant for the direct production of $e^{+} e^{-...
[ { "created": "Mon, 25 Aug 2014 23:15:12 GMT", "version": "v1" }, { "created": "Wed, 27 Aug 2014 22:06:07 GMT", "version": "v2" } ]
2014-08-29
[ [ "Montalvo", "J. E. Cieza", "" ], [ "Cruz", "C. A. Morgan", "" ], [ "Ramirez", "R. J. Gil", "" ], [ "Ulloa", "G. H. Ramirez", "" ], [ "Mendoza", "A. I. Rivasplata", "" ], [ "Tonasse", "M. D.", "" ] ]
In this work we present an analysis of production and signature of neutral Higgs bosons $H_2^0$ in the version of the 3-3-1 model containing heavy leptons at the ILC (International Linear Collider) and CLIC (Cern Linear Collider). The production rate is found to be significant for the direct production of $e^{+} e^{-} ...
hep-ph/9910559
Stuart Samuel
Stuart Samuel (Columbia University and City College of New York)
The Standard Model in Its Other Phase
Latex, 22 pages, 2 figures
Nucl.Phys. B597 (2001) 70-88
10.1016/S0550-3213(00)00741-0
CU-TP-948
hep-ph
null
The standard model of particle physics is analyzed for the case of a Higgs potential not favoring spontaneous electroweak symmetry breaking to gain insight into the physics of the standard model. Electroweak breaking still takes place, and quarks and leptons still acquire masses but through bosonic technicolor. This ...
[ { "created": "Mon, 1 Nov 1999 14:03:39 GMT", "version": "v1" }, { "created": "Thu, 5 Oct 2000 03:51:09 GMT", "version": "v2" } ]
2009-10-31
[ [ "Samuel", "Stuart", "", "Columbia University and City College of New York" ] ]
The standard model of particle physics is analyzed for the case of a Higgs potential not favoring spontaneous electroweak symmetry breaking to gain insight into the physics of the standard model. Electroweak breaking still takes place, and quarks and leptons still acquire masses but through bosonic technicolor. This ``...
1706.04576
Gui-Jun Ding
Cai-Chang Li, Jun-Nan Lu, Gui-Jun Ding
Toward a unified interpretation of quark and lepton mixing from flavor and CP symmetries
40 pages, 8 figures
null
10.1007/JHEP02(2018)038
USTC-ICTS-17-02
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discussed the scenario that a discrete flavor group combined with CP symmetry is broken to $Z_2\times CP$ in both neutrino and charged lepton sectors. All lepton mixing angles and CP violation phases are predicted to depend on two free parameters $\theta_{l}$ and $\theta_{\nu}$ varying in the range of $[0, \pi)$. ...
[ { "created": "Wed, 14 Jun 2017 16:28:31 GMT", "version": "v1" } ]
2018-04-04
[ [ "Li", "Cai-Chang", "" ], [ "Lu", "Jun-Nan", "" ], [ "Ding", "Gui-Jun", "" ] ]
We discussed the scenario that a discrete flavor group combined with CP symmetry is broken to $Z_2\times CP$ in both neutrino and charged lepton sectors. All lepton mixing angles and CP violation phases are predicted to depend on two free parameters $\theta_{l}$ and $\theta_{\nu}$ varying in the range of $[0, \pi)$. As...
1101.3425
Elliot Leader
Elliot Leader and Enrico Predazzi
A note on the implications of gauge invariance in QCD
11 pages
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compare and contrast the implications of gauge invariance for the structure of scattering amplitudes in QED and QCD. We derive the most general analogue for QCD of the famous QED rule that the scattering amplitude must be invariant if the polarization vectors $\epsilon^{{\mu}_j}(k_j)$ of any number of photons unde...
[ { "created": "Tue, 18 Jan 2011 11:38:15 GMT", "version": "v1" } ]
2011-01-19
[ [ "Leader", "Elliot", "" ], [ "Predazzi", "Enrico", "" ] ]
We compare and contrast the implications of gauge invariance for the structure of scattering amplitudes in QED and QCD. We derive the most general analogue for QCD of the famous QED rule that the scattering amplitude must be invariant if the polarization vectors $\epsilon^{{\mu}_j}(k_j)$ of any number of photons underg...
2204.03468
Patrick Bolton
P. D. Bolton and S. T. Petcov
Measurements of $\mu\to 3e$ Decay with Polarised Muons as a Probe of New Physics
22 pages, 2 figures, 3 tables
Phys. Lett. B 833, 137296 (2022)
10.1016/j.physletb.2022.137296
SISSA 09/2022/FISI, IPMU22-0015
hep-ph
http://creativecommons.org/licenses/by/4.0/
Working within the Standard Model effective field theory approach, we examine the possibility to test charged lepton flavour violating (cLFV) new physics (NP) by angular measurements of the outgoing electron and positrons in the polarised $\mu^{+}\to e^{+}e^{+}e^{-}$ decay. This decay is planned to be studied with a ...
[ { "created": "Thu, 7 Apr 2022 14:31:33 GMT", "version": "v1" }, { "created": "Tue, 2 Aug 2022 11:03:42 GMT", "version": "v2" } ]
2022-08-03
[ [ "Bolton", "P. D.", "" ], [ "Petcov", "S. T.", "" ] ]
Working within the Standard Model effective field theory approach, we examine the possibility to test charged lepton flavour violating (cLFV) new physics (NP) by angular measurements of the outgoing electron and positrons in the polarised $\mu^{+}\to e^{+}e^{+}e^{-}$ decay. This decay is planned to be studied with a se...
hep-ph/0107232
Jeff Forshaw
J.R. Forshaw, D.A. Ross and B.E. White
Higgs mass bounds in a Triplet Model
null
JHEP 0110:007,2001
10.1088/1126-6708/2001/10/007
SHEP-01/17 MC-TH-01/07
hep-ph
null
We perform a global fit to high energy precision electroweak data in a Higgs model containing the usual isospin doublet plus a real isospin triplet. The analysis is performed in terms of the oblique parameters S, T and U and we show that the mass of the lightest Higgs boson can be as large as 2 TeV.
[ { "created": "Mon, 23 Jul 2001 11:05:29 GMT", "version": "v1" }, { "created": "Tue, 21 Aug 2001 12:40:20 GMT", "version": "v2" } ]
2010-02-03
[ [ "Forshaw", "J. R.", "" ], [ "Ross", "D. A.", "" ], [ "White", "B. E.", "" ] ]
We perform a global fit to high energy precision electroweak data in a Higgs model containing the usual isospin doublet plus a real isospin triplet. The analysis is performed in terms of the oblique parameters S, T and U and we show that the mass of the lightest Higgs boson can be as large as 2 TeV.
hep-ph/0411327
Mustafa Savci
T. M. Aliev, V. Bashiry, M. savci
Double-lepton polarizations in (B -> l^+ l^- gamma) decay
20 pages, 7 PostScript figures, LaTeX formatted
Phys.Rev. D71 (2005) 035013
10.1103/PhysRevD.71.035013
metu-phys-hep-04-22
hep-ph
null
Double-lepton polarization asymmetries in the (B -> l^+ l^- gamma) decay are calculated using the most general, model independent form of the effective Hamiltonian including all possible forms of the interaction. The dependencies of the asymmetries on new Wilson coefficients are investigated. The detectability the av...
[ { "created": "Wed, 24 Nov 2004 17:40:26 GMT", "version": "v1" } ]
2009-11-10
[ [ "Aliev", "T. M.", "" ], [ "Bashiry", "V.", "" ], [ "savci", "M.", "" ] ]
Double-lepton polarization asymmetries in the (B -> l^+ l^- gamma) decay are calculated using the most general, model independent form of the effective Hamiltonian including all possible forms of the interaction. The dependencies of the asymmetries on new Wilson coefficients are investigated. The detectability the aver...
hep-ph/0411149
Robert Bluhm
Robert Bluhm
QED Tests of Lorentz Symmetry
Talk presented at the Third Meeting on CPT and Lorentz Symmetry, Bloomington, IN, August, 2004; 9 pages
null
10.1142/9789812702173_0017
null
hep-ph
null
A status report is given of some recent theoretical and experimental investigations looking for signals of Lorentz violation in QED. Experiments with light, charged particles, and atoms have exceptional sensitivity to small shifts in energy caused by Lorentz violation, including effects that could originate from new ...
[ { "created": "Wed, 10 Nov 2004 18:16:42 GMT", "version": "v1" } ]
2016-11-03
[ [ "Bluhm", "Robert", "" ] ]
A status report is given of some recent theoretical and experimental investigations looking for signals of Lorentz violation in QED. Experiments with light, charged particles, and atoms have exceptional sensitivity to small shifts in energy caused by Lorentz violation, including effects that could originate from new ph...
hep-ph/0001116
Ling-Fong Li
Ling-Fong Li
Spontaneous Symmetry Breaking and Chiral Symmetry
Lecture Delivered at VII Mexico Workshop on Paritcles and Fields, Merida, Yucatan Mexico, Nov 10-17,1999
AIP Conf.Proc.531:16-44,2000
10.1063/1.1315030
CMU-HEP00-01
hep-ph
null
In this introductory lecture, some basic features of the spontaneous symmetry breaking are discussed. More specifically, $\sigma $-model, non-linear realization, and some examples of spontaneous symmetry breaking in the non-relativistic system are discussed in details. The approach here is more pedagogical than rigor...
[ { "created": "Thu, 13 Jan 2000 18:14:20 GMT", "version": "v1" } ]
2010-12-13
[ [ "Li", "Ling-Fong", "" ] ]
In this introductory lecture, some basic features of the spontaneous symmetry breaking are discussed. More specifically, $\sigma $-model, non-linear realization, and some examples of spontaneous symmetry breaking in the non-relativistic system are discussed in details. The approach here is more pedagogical than rigorou...
1511.00132
Sang Hui Im
Kiwoon Choi and Sang Hui Im
Realizing the relaxion from multiple axions and its UV completion with high scale supersymmetry
20 pages, 2 figures; v2: a reference and related comment added
JHEP 1601:149,2016
10.1007/JHEP01(2016)149
CTPU-15-16
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss a scheme to implement the relaxion solution to the hierarchy problem with multiple axions, and present a UV-completed model realizing the scheme. All of the $N$ axions in our model are periodic with a similar decay constant $f$ well below the Planck scale. In the limit $N\gg 1$, the relaxion $\phi$ corresp...
[ { "created": "Sat, 31 Oct 2015 14:39:57 GMT", "version": "v1" }, { "created": "Fri, 29 Jan 2016 05:42:24 GMT", "version": "v2" } ]
2016-02-01
[ [ "Choi", "Kiwoon", "" ], [ "Im", "Sang Hui", "" ] ]
We discuss a scheme to implement the relaxion solution to the hierarchy problem with multiple axions, and present a UV-completed model realizing the scheme. All of the $N$ axions in our model are periodic with a similar decay constant $f$ well below the Planck scale. In the limit $N\gg 1$, the relaxion $\phi$ correspon...
1504.03706
Aqeel Ahmed
Aqeel Ahmed, Bohdan Grzadkowski, John F. Gunion and Yun Jiang
Higgs Dark Matter from a Warped Extra-Dimension -- the truncated-inert-doublet model
38 pages, 8 figures and 2 tables. v2: a new subsection (2.2) on radius stabilization with an SU(2) bulk Higgs doublet is added, which provides exact analytic background solutions (with full backreaction) of the Higgs-gravity 5D warped setup. References added, matches the version to appear in JHEP
null
null
null
hep-ph gr-qc hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct a 5D $\mathbb{Z}_2$-symmetric model with three D3-branes: two IR ones with negative tension located at the ends of an extra-dimensional interval and a UV-brane with positive tension placed in the middle of the interval -- IR-UV-IR model. The background solutions for this geometric setup are found without...
[ { "created": "Tue, 14 Apr 2015 20:19:59 GMT", "version": "v1" }, { "created": "Tue, 15 Sep 2015 19:18:49 GMT", "version": "v2" } ]
2015-09-16
[ [ "Ahmed", "Aqeel", "" ], [ "Grzadkowski", "Bohdan", "" ], [ "Gunion", "John F.", "" ], [ "Jiang", "Yun", "" ] ]
We construct a 5D $\mathbb{Z}_2$-symmetric model with three D3-branes: two IR ones with negative tension located at the ends of an extra-dimensional interval and a UV-brane with positive tension placed in the middle of the interval -- IR-UV-IR model. The background solutions for this geometric setup are found without a...
hep-ph/9710340
Jean Letessier
Jan Rafelski, Jean Letessier, Ahmed Tounsi
Hadronic Signatures of Deconfinement in relativistic nuclear collisions
26 pages, LaTeX, 9 postscript figures, Submitted to Acta Physica Polonica B
ActaPhys.Polon.B28:2841-2872,1997
null
null
hep-ph nucl-th
null
We describe the remarkable accomplishments of the current heavy ion Pb--Pb collision experiments involving strange particle production, carried out at 158A GeV at CERN--SPS. These experimental results, together with the earlier 200A GeV S-induced reactions, imply that, at central rapidity, a novel mechanism of strang...
[ { "created": "Tue, 14 Oct 1997 07:38:05 GMT", "version": "v1" } ]
2008-11-26
[ [ "Rafelski", "Jan", "" ], [ "Letessier", "Jean", "" ], [ "Tounsi", "Ahmed", "" ] ]
We describe the remarkable accomplishments of the current heavy ion Pb--Pb collision experiments involving strange particle production, carried out at 158A GeV at CERN--SPS. These experimental results, together with the earlier 200A GeV S-induced reactions, imply that, at central rapidity, a novel mechanism of strangen...
1812.00701
Ara Ioannisian Dr.
Ara Ioannisian and Stefan Pokorski
Three Neutrino Oscillations in Uniform Matter
presented by Ara Ioannisian at ICHEP2018, Seoul (Conference: C18-07-04)
null
null
CERN-TH-2018-265
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Following similar approaches in the past, the Schrodinger equation for three neutrino propagation in matter of constant density is solved analytically by two successive diagonalizations of 2x2 matrices. The final result for the oscillation probabilities is obtained directly in the conventional parametric form as in t...
[ { "created": "Mon, 3 Dec 2018 12:18:09 GMT", "version": "v1" } ]
2018-12-04
[ [ "Ioannisian", "Ara", "" ], [ "Pokorski", "Stefan", "" ] ]
Following similar approaches in the past, the Schrodinger equation for three neutrino propagation in matter of constant density is solved analytically by two successive diagonalizations of 2x2 matrices. The final result for the oscillation probabilities is obtained directly in the conventional parametric form as in the...
1710.01674
Victor Goncalves
V. P. Goncalves
Investigating the Transverse Single Spin Asymmetry in the Inelastic $J/\Psi$ photoproduction in $p^\uparrow p$ and $p^\uparrow A$ collisions
7 pages, 2 figures, 1 table. Improved version to be published in Physical Review D
Phys. Rev. D 97, 014001 (2018)
10.1103/PhysRevD.97.014001
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we propose to investigate the transverse single spin asymmetry in the inelastic $J/\Psi$ photoproduction in $p^\uparrow p$ and $p^\uparrow A$ collisions at RHIC energies. At leading order this process probes the gluon Sivers function. We predict large values for the cross sections, which indicates that ...
[ { "created": "Wed, 4 Oct 2017 16:12:04 GMT", "version": "v1" }, { "created": "Wed, 6 Dec 2017 10:13:33 GMT", "version": "v2" } ]
2018-01-17
[ [ "Goncalves", "V. P.", "" ] ]
In this paper we propose to investigate the transverse single spin asymmetry in the inelastic $J/\Psi$ photoproduction in $p^\uparrow p$ and $p^\uparrow A$ collisions at RHIC energies. At leading order this process probes the gluon Sivers function. We predict large values for the cross sections, which indicates that it...
hep-ph/9711308
null
M. Davier and A. Hoecker (LAL, Orsay)
Improved Determination of alpha_QED(M_Z^2) and the Anomalous Magnetic Moment of the Muon
tex, 18 pages and 3 figures
Phys.Lett. B419 (1998) 419-431
10.1016/S0370-2693(97)01512-8
LAL 97-85
hep-ph
null
We reevaluate the hadronic contribution to the running of the QED fine structure constant alpha(s) at s = M_Z^2. We use data from e+e- annihilation and tau decays at low energy and at the qq-bar thresholds, where resonances occur. Using so-called spectral moments and the Operator Product Expansion (OPE), it is shown ...
[ { "created": "Wed, 12 Nov 1997 19:04:56 GMT", "version": "v1" } ]
2016-02-17
[ [ "Davier", "M.", "", "LAL, Orsay" ], [ "Hoecker", "A.", "", "LAL, Orsay" ] ]
We reevaluate the hadronic contribution to the running of the QED fine structure constant alpha(s) at s = M_Z^2. We use data from e+e- annihilation and tau decays at low energy and at the qq-bar thresholds, where resonances occur. Using so-called spectral moments and the Operator Product Expansion (OPE), it is shown th...
1707.07084
Amit Chakraborty
Amit Chakraborty, Abhishek M. Iyer, Tuhin S. Roy
A Framework for Finding Anomalous Objects at the LHC
32 pages, 5 tables and 12 figures; v2: references added; v3: Practical guideline given for implementation at the LHC, comments added on the possibility of inclusion of Muons and b-jets in the framework. Accepted for publication in Nuclear Physics B; v4: Title fixed from v3 to match journal version, funding info...
Nucl.Phys. B932 (2018) 439-470
10.1016/j.nuclphysb.2018.05.019
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Search for new physics events at the LHC mostly rely on the assumption that the events are characterized in terms of standard-reconstructed objects such as isolated photons, leptons, and jets initiated by QCD-partons. While such strategy works for a vast majority of physics beyond the standard model scenarios, there ...
[ { "created": "Sat, 22 Jul 2017 01:46:24 GMT", "version": "v1" }, { "created": "Wed, 16 Aug 2017 04:41:23 GMT", "version": "v2" }, { "created": "Tue, 29 May 2018 08:40:15 GMT", "version": "v3" }, { "created": "Sun, 10 Jun 2018 10:59:22 GMT", "version": "v4" } ]
2018-06-12
[ [ "Chakraborty", "Amit", "" ], [ "Iyer", "Abhishek M.", "" ], [ "Roy", "Tuhin S.", "" ] ]
Search for new physics events at the LHC mostly rely on the assumption that the events are characterized in terms of standard-reconstructed objects such as isolated photons, leptons, and jets initiated by QCD-partons. While such strategy works for a vast majority of physics beyond the standard model scenarios, there ar...
2305.08991
Daniel Heimsoth
Daniel J. Heimsoth, Brandon Lem, Anna M. Suliga, Calvin W. Johnson, A. Baha Balantekin, Susan N. Coppersmith
Uncertainties on the EFT coupling limits for direct dark matter detection experiments stemming from uncertainties of target properties
12 pages, 6 figures; published in Phys. Rev. D November 17, 2023
Phys. Rev. D 108, 103031 (2023)
10.1103/PhysRevD.108.103031
N3AS-23-011, INT-PUB-23-016
hep-ph astro-ph.CO hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Direct detection experiments are still one of the most promising ways to unravel the nature of dark matter. To fully understand how well these experiments constrain the dark matter interactions with the Standard Model particles, all the uncertainties affecting the calculations must be known. It is especially critical...
[ { "created": "Mon, 15 May 2023 20:09:57 GMT", "version": "v1" }, { "created": "Thu, 1 Jun 2023 16:58:32 GMT", "version": "v2" }, { "created": "Fri, 16 Feb 2024 19:39:38 GMT", "version": "v3" } ]
2024-02-20
[ [ "Heimsoth", "Daniel J.", "" ], [ "Lem", "Brandon", "" ], [ "Suliga", "Anna M.", "" ], [ "Johnson", "Calvin W.", "" ], [ "Balantekin", "A. Baha", "" ], [ "Coppersmith", "Susan N.", "" ] ]
Direct detection experiments are still one of the most promising ways to unravel the nature of dark matter. To fully understand how well these experiments constrain the dark matter interactions with the Standard Model particles, all the uncertainties affecting the calculations must be known. It is especially critical n...
hep-ph/0412256
Yvonne Wong
Andreas Ringwald, Yvonne Y. Y. Wong
Relic neutrino clustering and implications for their detection
15 pages, 5 figures, talk given at DARK2004, College Station TX, Oct 2004
null
null
DESY 04-242
hep-ph
null
We study the gravitational clustering of big bang relic neutrinos onto existing cold dark matter and baryonic structures within the flat $\Lambda$CDM model. We then discuss the implications of clustering for scattering-based relic neutrino detection methods, ranging from flux detection via Cavendish-type torsion bala...
[ { "created": "Fri, 17 Dec 2004 15:54:59 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ringwald", "Andreas", "" ], [ "Wong", "Yvonne Y. Y.", "" ] ]
We study the gravitational clustering of big bang relic neutrinos onto existing cold dark matter and baryonic structures within the flat $\Lambda$CDM model. We then discuss the implications of clustering for scattering-based relic neutrino detection methods, ranging from flux detection via Cavendish-type torsion balanc...
1111.4827
Pasquini Barbara
C. Lorce' (IPN and LPT, Orsay), B. Pasquini (Pavia U. and INFN, Pavia), X. Xiong (Peking U., CHEP, and LBNL, NSD), and F. Yuan (LBNL, NSD)
The quark orbital angular momentum from Wigner distributions and light-cone wave functions
26 pages, 4 figures
null
10.1103/PhysRevD.85.114006
null
hep-ph hep-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the quark orbital angular momentum of the nucleon in the absence of gauge-field degrees of freedom, by using the concept of the Wigner distribution and the light-cone wave functions of the Fock state expansion of the nucleon. The quark orbital angular momentum is obtained from the phase-space average o...
[ { "created": "Mon, 21 Nov 2011 11:02:39 GMT", "version": "v1" } ]
2015-06-03
[ [ "Lorce'", "C.", "", "IPN and LPT, Orsay" ], [ "Pasquini", "B.", "", "Pavia U. and INFN,\n Pavia" ], [ "Xiong", "X.", "", "Peking U., CHEP, and LBNL, NSD" ], [ "Yuan", "F.", "", "LBNL, NSD" ] ]
We investigate the quark orbital angular momentum of the nucleon in the absence of gauge-field degrees of freedom, by using the concept of the Wigner distribution and the light-cone wave functions of the Fock state expansion of the nucleon. The quark orbital angular momentum is obtained from the phase-space average of ...
hep-ph/9907418
Adnan Bashir
A. Bashir, A. Kizilersu and M.R. Pennington
Analytic Form of the One-loop Vertex and of the Two-loop Fermion Propagator in 3-Dimensional Massless QED
22 pages, Latex, 2 Postscript figures
null
null
ADP-99-8/T353, DTP-99/76
hep-ph
null
We evaluate the analytic expression for the one-loop fermion-boson vertex in massless QED3 in an arbitrary covariant gauge. The result is written in terms of elementary functions of its momenta. The vertex is decomposed into a longitudinal part, that is fully responsible for ensuring the Ward and Ward-Takahashi ident...
[ { "created": "Mon, 19 Jul 1999 18:37:28 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bashir", "A.", "" ], [ "Kizilersu", "A.", "" ], [ "Pennington", "M. R.", "" ] ]
We evaluate the analytic expression for the one-loop fermion-boson vertex in massless QED3 in an arbitrary covariant gauge. The result is written in terms of elementary functions of its momenta. The vertex is decomposed into a longitudinal part, that is fully responsible for ensuring the Ward and Ward-Takahashi identit...
2107.13434
Carlo Flore
Carlo Flore, Jean-Philippe Lansberg, Hua-Sheng Shao, Yelyzaveta Yedelkina
NLO inclusive $J/\psi$ photoproduction at large $P_T$ at HERA and the EIC
7 pages, 3 figures. Contribution to the XXVIII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2021). Submission to SciPost Proceedings. Typo corrected
null
null
null
hep-ph hep-ex nucl-th
http://creativecommons.org/licenses/by/4.0/
We study inclusive $J/\psi$ photoproduction at NLO at large $P_T$ at HERA and the EIC. Our computation includes NLO QCD leading-$P_T$ corrections, QED contributions via an off-shell photon as well as those from $J/\psi$+charm channels. For the latter, we employ the variable-flavour-number scheme. Our results are foun...
[ { "created": "Wed, 28 Jul 2021 15:26:54 GMT", "version": "v1" }, { "created": "Thu, 29 Jul 2021 08:26:56 GMT", "version": "v2" } ]
2021-07-30
[ [ "Flore", "Carlo", "" ], [ "Lansberg", "Jean-Philippe", "" ], [ "Shao", "Hua-Sheng", "" ], [ "Yedelkina", "Yelyzaveta", "" ] ]
We study inclusive $J/\psi$ photoproduction at NLO at large $P_T$ at HERA and the EIC. Our computation includes NLO QCD leading-$P_T$ corrections, QED contributions via an off-shell photon as well as those from $J/\psi$+charm channels. For the latter, we employ the variable-flavour-number scheme. Our results are found ...
1809.06003
Edward W. Kolb
Edward W. Kolb and Michael S. Turner
Dibaryons cannot be the dark matter
11 pages, 5 figures
Phys. Rev. D 99, 063519 (2019)
10.1103/PhysRevD.99.063519
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The hypothetical $SU(3)$ flavor-singlet dibaryon state $S$ with strangeness $-2$ has been discussed as a dark-matter candidate capable of explaining the curious 5-to-1 ratio of the mass density of dark matter to that of baryons. We study the early-universe production of dibaryons and find that irrespective of the had...
[ { "created": "Mon, 17 Sep 2018 03:02:36 GMT", "version": "v1" } ]
2019-03-27
[ [ "Kolb", "Edward W.", "" ], [ "Turner", "Michael S.", "" ] ]
The hypothetical $SU(3)$ flavor-singlet dibaryon state $S$ with strangeness $-2$ has been discussed as a dark-matter candidate capable of explaining the curious 5-to-1 ratio of the mass density of dark matter to that of baryons. We study the early-universe production of dibaryons and find that irrespective of the hadro...
1812.03001
Jan Nemchik
Michal Krelina, Jan Nemchik, Roman Pasechnik and Jan Cepila
Spin rotation effects in diffractive electroproduction of heavy quarkonia
23 pages of Latex including 10 figures. The version for resubmission to European Physical Journal C
null
10.1140/epjc/s10052-019-6666-y
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we present for the first time the comprehensive study of the Melosh spin rotation effects in diffractive electroproduction of S-wave heavy quarkonia off a nucleon target. Such a study has been performed within the color dipole approach using, as an example and a reference point, two popular parametrizati...
[ { "created": "Fri, 7 Dec 2018 12:32:15 GMT", "version": "v1" }, { "created": "Sat, 15 Dec 2018 17:00:34 GMT", "version": "v2" }, { "created": "Wed, 30 Jan 2019 08:51:47 GMT", "version": "v3" } ]
2019-03-27
[ [ "Krelina", "Michal", "" ], [ "Nemchik", "Jan", "" ], [ "Pasechnik", "Roman", "" ], [ "Cepila", "Jan", "" ] ]
In this work we present for the first time the comprehensive study of the Melosh spin rotation effects in diffractive electroproduction of S-wave heavy quarkonia off a nucleon target. Such a study has been performed within the color dipole approach using, as an example and a reference point, two popular parametrization...
hep-ph/9310293
Herbert Weigel
H. Weigel
The Proton Spin Structure in Skyrme Type Models
4 pages, LaTeX, UNITU-THEP-12/1993 Talk presented at the 13$^{\rm th}$ PANIC meeting, Perugia, June 28$^{\rm th}$-July 3$^{\rm nd}$ 1993
null
null
null
hep-ph
null
It is demonstrated how in the soliton approach to baryons a small but non-vanishing matrix element of the axial singlet current is obtained. Furthermore it is shown that these models also provide a mechanism to disentangle the ``matter" and ``glue" contributions to this matrix element. Numerical results indeed exhibi...
[ { "created": "Fri, 15 Oct 1993 17:45:52 GMT", "version": "v1" } ]
2007-05-23
[ [ "Weigel", "H.", "" ] ]
It is demonstrated how in the soliton approach to baryons a small but non-vanishing matrix element of the axial singlet current is obtained. Furthermore it is shown that these models also provide a mechanism to disentangle the ``matter" and ``glue" contributions to this matrix element. Numerical results indeed exhibit ...
2301.10955
Rohit Gupta
Rohit Gupta and Satyajit Jena
A comparative study of hadron-hadron and heavy-ion collision using the $q$-Weibull distribution function
null
null
null
null
hep-ph
http://creativecommons.org/licenses/by-nc-nd/4.0/
Recent results on multiplicity dependent transverse momentum spectra data in different high multiplicity $pp$ collision have opened a window to search for QGP like medium in hadron-hadron collision. In this work we have performed a comparative study of charged hadron spectra in $pp$, $pPb$ and $PbPb$ collision using ...
[ { "created": "Thu, 26 Jan 2023 06:23:32 GMT", "version": "v1" } ]
2023-01-27
[ [ "Gupta", "Rohit", "" ], [ "Jena", "Satyajit", "" ] ]
Recent results on multiplicity dependent transverse momentum spectra data in different high multiplicity $pp$ collision have opened a window to search for QGP like medium in hadron-hadron collision. In this work we have performed a comparative study of charged hadron spectra in $pp$, $pPb$ and $PbPb$ collision using th...
2307.02809
LiPing Sun
Liping Sun
$J/\psi$ Pair Hadroproduction at Next-to-Leading Order in Nonrelativistic-QCD at CMS
4 pages,4 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We perform a complete study on the $J/\psi$ pair hadroproduction at next-to-leading order (NLO) in the nonrelativstic-QCD (NRQCD) framework with the pair of $c\bar{c}$ either in ${}^{3}S_1^{[1]}$ or ${}^{1}S_0^{[8]}$ fock state. It is found that the ${}^{1}S_0^{[8]}$ channel contribution at NLO is essential. Our resu...
[ { "created": "Thu, 6 Jul 2023 06:58:03 GMT", "version": "v1" } ]
2023-07-07
[ [ "Sun", "Liping", "" ] ]
We perform a complete study on the $J/\psi$ pair hadroproduction at next-to-leading order (NLO) in the nonrelativstic-QCD (NRQCD) framework with the pair of $c\bar{c}$ either in ${}^{3}S_1^{[1]}$ or ${}^{1}S_0^{[8]}$ fock state. It is found that the ${}^{1}S_0^{[8]}$ channel contribution at NLO is essential. Our result...
hep-ph/9507408
null
P.M. Stevenson (Rice University)
The lambda Phi^4 Miracle: lattice data and the zero-point potential
6 pages, LaTeX
null
null
DE-FG05-92ER40717-15
hep-ph hep-lat hep-th
null
Recent lattice data for the effective potential of lambda Phi^4 theory fits the massless one-loop formula with amazing precision. Any corrections are at least 100 times smaller than is reasonable, perturbatively. This is strong evidence for the "exactness conjecture" of Consoli and Stevenson.
[ { "created": "Tue, 25 Jul 1995 20:11:20 GMT", "version": "v1" } ]
2007-05-23
[ [ "Stevenson", "P. M.", "", "Rice University" ] ]
Recent lattice data for the effective potential of lambda Phi^4 theory fits the massless one-loop formula with amazing precision. Any corrections are at least 100 times smaller than is reasonable, perturbatively. This is strong evidence for the "exactness conjecture" of Consoli and Stevenson.
1604.06769
Luca Stanco
Luca Stanco
Search for Sterile Neutrinos at Long and Short Baselines
Talk presented at NuPhys2015 (London, 16-18 December 2015). 9 pages, LaTeX, 2 figures. arXiv admin note: substantial text overlap with arXiv:1510.04151
null
null
NuPhys2015-Stanco
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Neutrino physics is currently suffering from lack of knowledge from at least four major ingredients. One of them is the presence or not of new sterile neutrino states at the mass scale of around 1 eV. Settling this point should be the highest priority for the neutrino community. We will discuss the state-of-the art o...
[ { "created": "Fri, 22 Apr 2016 18:45:07 GMT", "version": "v1" } ]
2016-04-25
[ [ "Stanco", "Luca", "" ] ]
Neutrino physics is currently suffering from lack of knowledge from at least four major ingredients. One of them is the presence or not of new sterile neutrino states at the mass scale of around 1 eV. Settling this point should be the highest priority for the neutrino community. We will discuss the state-of-the art of ...
1207.6392
Xia Wan Dr.
Taoli Cheng, Jinmian Li, Tianjun Li, Xia Wan, You kai Wang, Shou-hua Zhu
Toward the Natural and Realistic NMSSM with and without R-Parity
Revtex4, 25 pages, 4 figures, 6 tables, benchmark points and references added
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
From the current ATLAS and CMS results on Higgs boson mass and decay rates, the NMSSM is obviously better than the MSSM. To explain the fine-tuning problems such as gauge hiearchy problem and strong CP problem in the SM, we point out that supersymmetry does not need to provide a dark matter candidate, i.e., R-parity ...
[ { "created": "Thu, 26 Jul 2012 19:57:11 GMT", "version": "v1" }, { "created": "Mon, 30 Jul 2012 08:59:03 GMT", "version": "v2" } ]
2012-07-31
[ [ "Cheng", "Taoli", "" ], [ "Li", "Jinmian", "" ], [ "Li", "Tianjun", "" ], [ "Wan", "Xia", "" ], [ "Wang", "You kai", "" ], [ "Zhu", "Shou-hua", "" ] ]
From the current ATLAS and CMS results on Higgs boson mass and decay rates, the NMSSM is obviously better than the MSSM. To explain the fine-tuning problems such as gauge hiearchy problem and strong CP problem in the SM, we point out that supersymmetry does not need to provide a dark matter candidate, i.e., R-parity ca...
2312.09749
Sigtryggur Hauksson
Fran\c{c}ois Gelis, Sigtryggur Hauksson
Study of a longitudinally expanding plasma with the 2PI effective action
4 pages, 4 figures, conference proceedings for Quark Matter 2023
null
null
null
hep-ph nucl-th
http://creativecommons.org/licenses/by-nc-sa/4.0/
A central question in heavy-ion collisions is how the initial far-from-equilibrium medium evolves and thermalizes while it undergoes a rapid longitudinal expansion. In this work we use the two-particle irreducible (2PI) effective action for the first time to consider this question, focusing on $\phi^4$ scalar theory ...
[ { "created": "Fri, 15 Dec 2023 12:42:10 GMT", "version": "v1" } ]
2023-12-18
[ [ "Gelis", "François", "" ], [ "Hauksson", "Sigtryggur", "" ] ]
A central question in heavy-ion collisions is how the initial far-from-equilibrium medium evolves and thermalizes while it undergoes a rapid longitudinal expansion. In this work we use the two-particle irreducible (2PI) effective action for the first time to consider this question, focusing on $\phi^4$ scalar theory tr...
0810.4194
Seung Woo Ham
S. W. Ham (KAIST), J. O. Im (KU), E. J. Yoo (KU), and S. K. OH (KU)
Higgs bosons of a supersymmetric $E_6$ model at the Large Hadron Collider
23 pages, 5 figures, JHEP
JHEP 0812:017,2008
10.1088/1126-6708/2008/12/017
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It is found that CP symmetry may be explicitly broken in the Higgs sector of a supersymmetric $E_6$ model with two extra neutral gauge bosons at the one-loop level. The phenomenology of the model, the Higgs sector in particular, is studied for a reasonable parameter space of the model, in the presence of explicit CP ...
[ { "created": "Thu, 23 Oct 2008 01:24:26 GMT", "version": "v1" }, { "created": "Sat, 22 Nov 2008 11:33:55 GMT", "version": "v2" } ]
2010-04-15
[ [ "Ham", "S. W.", "", "KAIST" ], [ "Im", "J. O.", "", "KU" ], [ "Yoo", "E. J.", "", "KU" ], [ "OH", "S. K.", "", "KU" ] ]
It is found that CP symmetry may be explicitly broken in the Higgs sector of a supersymmetric $E_6$ model with two extra neutral gauge bosons at the one-loop level. The phenomenology of the model, the Higgs sector in particular, is studied for a reasonable parameter space of the model, in the presence of explicit CP vi...
1502.00715
Shinta Kasuya
Shinta Kasuya, Masahiro Kawasaki and Tsutomu T. Yanagida
IceCube potential for detecting Q-ball dark matter in gauge mediation
11 pages, 3 figures, published version
null
10.1093/ptep/ptv056
IPMU15-0013, ICRR-Report 697-2014-23
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study Q-ball dark matter in gauge-mediated supersymmetry breaking, and seek the possibility of detection in the IceCube experiment. We find that the Q balls would be the dark matter in the parameter region different from that for gravitino dark matter. In particular, the Q ball is a good dark matter candidate for ...
[ { "created": "Tue, 3 Feb 2015 02:55:56 GMT", "version": "v1" }, { "created": "Thu, 21 May 2015 08:16:22 GMT", "version": "v2" } ]
2016-06-21
[ [ "Kasuya", "Shinta", "" ], [ "Kawasaki", "Masahiro", "" ], [ "Yanagida", "Tsutomu T.", "" ] ]
We study Q-ball dark matter in gauge-mediated supersymmetry breaking, and seek the possibility of detection in the IceCube experiment. We find that the Q balls would be the dark matter in the parameter region different from that for gravitino dark matter. In particular, the Q ball is a good dark matter candidate for lo...
1709.10106
Bryan Ostdiek
Spencer Chang, Timothy Cohen, and Bryan Ostdiek
What is the Machine Learning?
6 pages, 3 figures. Version published in PRD, discussion added
Phys. Rev. D 97, 056009 (2018)
10.1103/PhysRevD.97.056009
null
hep-ph physics.data-an stat.ML
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Applications of machine learning tools to problems of physical interest are often criticized for producing sensitivity at the expense of transparency. To address this concern, we explore a data planing procedure for identifying combinations of variables -- aided by physical intuition -- that can discriminate signal f...
[ { "created": "Thu, 28 Sep 2017 18:00:00 GMT", "version": "v1" }, { "created": "Wed, 28 Mar 2018 16:38:43 GMT", "version": "v2" } ]
2018-03-29
[ [ "Chang", "Spencer", "" ], [ "Cohen", "Timothy", "" ], [ "Ostdiek", "Bryan", "" ] ]
Applications of machine learning tools to problems of physical interest are often criticized for producing sensitivity at the expense of transparency. To address this concern, we explore a data planing procedure for identifying combinations of variables -- aided by physical intuition -- that can discriminate signal fro...
hep-ph/9612226
Jochen Bartels
J.Bartels, M.G.Ryskin
The Space-Time Picture of the Wee Partons and the AGK Cutting Rules in Perturbative QCD
36 pages, latex, 15 figures included using epsfig
Z.Phys. C76 (1997) 241-255
null
DESY 96-238
hep-ph
null
We discuss the space-time picture of scattering amplitudes with single and double ladder exchange in perturbative QCD. Particular emphasis is given to the Abramovsky Gribov Kanchelli (AGK) rules which describe the relative contributions of the diffractive dissociation and processes with other multiplicities to the el...
[ { "created": "Mon, 2 Dec 1996 13:06:47 GMT", "version": "v1" } ]
2007-05-23
[ [ "Bartels", "J.", "" ], [ "Ryskin", "M. G.", "" ] ]
We discuss the space-time picture of scattering amplitudes with single and double ladder exchange in perturbative QCD. Particular emphasis is given to the Abramovsky Gribov Kanchelli (AGK) rules which describe the relative contributions of the diffractive dissociation and processes with other multiplicities to the elas...
hep-ph/0109033
Miho Koma
Yoshiaki Koma (1), Miho Koma (Takayama)(2) ((1) Kanazawa Univ., (2) RCNP, Osaka Univ., Japan)
Systematics of flux tubes in the dual Ginzburg-Landau theory and Casimir scaling hypothesis: folklore and lattice facts
4 pages, 1 eps figure. Title and contents are modified. The version accepted for publication in Eur.Phys.J.C
Eur.Phys.J.C26:457-460,2003
10.1140/epjc/s2002-01062-9
RCNP-Th01022
hep-ph
null
The ratios between string tensions $\sigma_D$ of color-electric flux tubes in higher and fundamental SU(3) representations, $d_{D} \equiv \sigma_{D}/\sigma_{\bf 3}$, are systematically studied in a Weyl symmetric formulation of the DGL theory. The ratio is found to depend on the Ginzburg-Landau (GL) parameter, $\kapp...
[ { "created": "Wed, 5 Sep 2001 10:55:21 GMT", "version": "v1" }, { "created": "Wed, 3 Oct 2001 03:39:39 GMT", "version": "v2" }, { "created": "Mon, 16 Sep 2002 15:12:36 GMT", "version": "v3" } ]
2009-01-07
[ [ "Koma", "Yoshiaki", "", "Takayama" ], [ "Koma", "Miho", "", "Takayama" ] ]
The ratios between string tensions $\sigma_D$ of color-electric flux tubes in higher and fundamental SU(3) representations, $d_{D} \equiv \sigma_{D}/\sigma_{\bf 3}$, are systematically studied in a Weyl symmetric formulation of the DGL theory. The ratio is found to depend on the Ginzburg-Landau (GL) parameter, $\kappa ...
2311.13776
Filippo Anzuini
Filippo Anzuini, Antonio G\'omez-Ba\~n\'on, Jos\'e A. Pons, Andrew Melatos, Paul D. Lasky
Axion sourcing in dense stellar matter via CP-violating couplings
11 pages, 5 figures
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Compact objects such as neutron stars and white dwarfs can source axion-like particles and QCD axions due to CP-violating axion-fermion couplings. The magnitude of the axion field depends on the stellar density and on the strength of the axion-fermion couplings. We show that even CP-violating couplings one order of m...
[ { "created": "Thu, 23 Nov 2023 02:34:06 GMT", "version": "v1" } ]
2023-11-27
[ [ "Anzuini", "Filippo", "" ], [ "Gómez-Bañón", "Antonio", "" ], [ "Pons", "José A.", "" ], [ "Melatos", "Andrew", "" ], [ "Lasky", "Paul D.", "" ] ]
Compact objects such as neutron stars and white dwarfs can source axion-like particles and QCD axions due to CP-violating axion-fermion couplings. The magnitude of the axion field depends on the stellar density and on the strength of the axion-fermion couplings. We show that even CP-violating couplings one order of mag...
1304.8027
Chris Jackson
M. A. Gomez, C. B. Jackson and G. Shaughnessy
The WIMP-induced Gamma Ray Spectrum of Active Galactic Nuclei
23 pages, 12 figures
null
10.1103/PhysRevD.88.015024
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
As direct and indirect dark matter detection experiments continue to place stringent constraints on WIMP masses and couplings, it becomes imperative to expand the scope of the search for particle dark matter by looking in new and exotic places. One such place may be the core of active galactic nuclei where the densit...
[ { "created": "Tue, 30 Apr 2013 15:15:37 GMT", "version": "v1" }, { "created": "Tue, 21 May 2013 13:47:13 GMT", "version": "v2" } ]
2013-08-09
[ [ "Gomez", "M. A.", "" ], [ "Jackson", "C. B.", "" ], [ "Shaughnessy", "G.", "" ] ]
As direct and indirect dark matter detection experiments continue to place stringent constraints on WIMP masses and couplings, it becomes imperative to expand the scope of the search for particle dark matter by looking in new and exotic places. One such place may be the core of active galactic nuclei where the density ...
1702.04110
Smbat Grigoryan Mr
Smbat Grigoryan
Using the Tsallis distribution for hadron spectra in $pp$ collisions: Pions and quarkonia at $\sqrt{s}$ = 5--13000 GeV
15 pages, 20 figures
Phys. Rev. D 95, 056021 (2017)
10.1103/PhysRevD.95.056021
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A thermal model, based on the Tsallis distribution and blast-wave model, is proposed to compute hadron double-differential spectra $d^{2}N/dp_{T}dy$ in $pp$ (also high energy $p\overline{p}$) collisions. It successfully describes the available experimental data on pion and quarkonia ($\phi$, $J/\psi$, $\psi(2S)$, $\U...
[ { "created": "Tue, 14 Feb 2017 08:39:06 GMT", "version": "v1" }, { "created": "Sun, 19 Feb 2017 12:24:04 GMT", "version": "v2" }, { "created": "Thu, 9 Mar 2017 16:44:37 GMT", "version": "v3" }, { "created": "Fri, 7 Apr 2017 14:14:43 GMT", "version": "v4" } ]
2017-04-10
[ [ "Grigoryan", "Smbat", "" ] ]
A thermal model, based on the Tsallis distribution and blast-wave model, is proposed to compute hadron double-differential spectra $d^{2}N/dp_{T}dy$ in $pp$ (also high energy $p\overline{p}$) collisions. It successfully describes the available experimental data on pion and quarkonia ($\phi$, $J/\psi$, $\psi(2S)$, $\Ups...
hep-ph/9409455
Tsuneo Uematsu
Hiroyuki Kawamura and Tsuneo Uematsu
Target Mass Effects in QCD Bjorken Sum Rule
LaTeX, 10 pages, 2 figures (.ps files) appended after \end{document} as an uuencoded compressed tar file, KUCP-74
Phys.Lett. B343 (1995) 346-350
10.1016/0370-2693(94)01507-9
null
hep-ph
null
We investigate the target mass effects in QCD Bjorken sum rule. The magnitude of the target mass correction is estimated in a variety of methods employing positivity bound as well as the experimental data for the asymmetry parameters. It turns out that the target mass correction is sizable at low $Q^2$ of the order o...
[ { "created": "Fri, 30 Sep 1994 12:22:35 GMT", "version": "v1" } ]
2009-10-28
[ [ "Kawamura", "Hiroyuki", "" ], [ "Uematsu", "Tsuneo", "" ] ]
We investigate the target mass effects in QCD Bjorken sum rule. The magnitude of the target mass correction is estimated in a variety of methods employing positivity bound as well as the experimental data for the asymmetry parameters. It turns out that the target mass correction is sizable at low $Q^2$ of the order of ...
2001.10385
Petja Paakkinen
Kari J. Eskola, Ilkka Helenius, Petja Paakkinen and Hannu Paukkunen
Impact of dijet and D-meson data from 5.02 TeV p+Pb collisions on nuclear PDFs
4 pages, 4 figures, presented at the XXVIIIth International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2019), Wuhan, China
null
10.1016/j.nuclphysa.2020.121944
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the new constraints on gluon parton distribution function (PDF) in lead nucleus, derivable with the Hessian PDF reweighting method from the 5.02 TeV p+Pb measurements of dijet (CMS) and $D^0$-meson (LHCb) nuclear modification ratios. The impact is found to be significant, placing stringent constraints in t...
[ { "created": "Tue, 28 Jan 2020 14:52:21 GMT", "version": "v1" } ]
2021-02-03
[ [ "Eskola", "Kari J.", "" ], [ "Helenius", "Ilkka", "" ], [ "Paakkinen", "Petja", "" ], [ "Paukkunen", "Hannu", "" ] ]
We discuss the new constraints on gluon parton distribution function (PDF) in lead nucleus, derivable with the Hessian PDF reweighting method from the 5.02 TeV p+Pb measurements of dijet (CMS) and $D^0$-meson (LHCb) nuclear modification ratios. The impact is found to be significant, placing stringent constraints in the...
hep-ph/9507390
null
A.Barducci, L.Caiani, R.Casalbuoni, R.Gatto, M.Modugno, G.Pettini
Disoriented Chiral Condensates: A Dynamical Simulation in the (2+1)-Dimensional Gross-Neveu Model
21 pages, standard LaTeX file. 11 Figures (not included) available upon request (hard copy or Postscript (10 Mb)) by e-mail to: pettini@sc2a.unige.ch or pettini@fi.infn.it
Physics Letters B 369, 23 (1996)
10.1016/0370-2693(95)01521-3
UGVA-DPT 1995/07-898
hep-ph
null
We simulate the formation and growth of disoriented chiral condensate (DCC) regions which follow the expansion of a high energy density region into the ``cold'' vacuum. The numerical study is based on the one-loop effective potential for the massive 2+1-dimensional Gross-Neveu model. We pay attention to the setting o...
[ { "created": "Mon, 24 Jul 1995 09:32:20 GMT", "version": "v1" } ]
2015-02-27
[ [ "Barducci", "A.", "" ], [ "Caiani", "L.", "" ], [ "Casalbuoni", "R.", "" ], [ "Gatto", "R.", "" ], [ "Modugno", "M.", "" ], [ "Pettini", "G.", "" ] ]
We simulate the formation and growth of disoriented chiral condensate (DCC) regions which follow the expansion of a high energy density region into the ``cold'' vacuum. The numerical study is based on the one-loop effective potential for the massive 2+1-dimensional Gross-Neveu model. We pay attention to the setting of ...
hep-ph/0210307
Thorsten Renk
Thorsten Renk
Statistical Hadronization as a Snapshot of a dynamical Fireball Evolution
11 pages, 6 figures, accepted for publication in Phys. Rev. C
Phys.Rev. C68 (2003) 064901
10.1103/PhysRevC.68.064901
TUM-T39-02-18, ECT*-02-25
hep-ph
null
Statistical hadronization models are extremly succesful in describing measured ratios of hadrons produced in heavy-ion collisions for a wide range of beam energies from SIS to RHIC. Using the idea of statistical hadronization at the phase boundary within the framework of a recently proposed dynamical model for the th...
[ { "created": "Wed, 23 Oct 2002 08:54:01 GMT", "version": "v1" }, { "created": "Wed, 28 May 2003 12:33:46 GMT", "version": "v2" }, { "created": "Thu, 16 Oct 2003 08:24:47 GMT", "version": "v3" } ]
2016-09-06
[ [ "Renk", "Thorsten", "" ] ]
Statistical hadronization models are extremly succesful in describing measured ratios of hadrons produced in heavy-ion collisions for a wide range of beam energies from SIS to RHIC. Using the idea of statistical hadronization at the phase boundary within the framework of a recently proposed dynamical model for the ther...
hep-ph/0508110
Dimitri Bourilkov
M.R.Whalley, D.Bourilkov and R.C.Group
The Les Houches Accord PDFs (LHAPDF) and Lhaglue
8 pages, 5 tables; Contribution to the HERALHC workshop
null
null
null
hep-ph hep-ex
null
We describe the development of the LHAPDF library from its initial implementation following the Les Houches meeting in 2001 to its present state as a functional replacement for PDFLIB. Brief details are given of how to install and use the library together with the PDF sets available. We also describe LHAGLUE, an add-...
[ { "created": "Tue, 9 Aug 2005 19:15:05 GMT", "version": "v1" } ]
2008-05-19
[ [ "Whalley", "M. R.", "" ], [ "Bourilkov", "D.", "" ], [ "Group", "R. C.", "" ] ]
We describe the development of the LHAPDF library from its initial implementation following the Les Houches meeting in 2001 to its present state as a functional replacement for PDFLIB. Brief details are given of how to install and use the library together with the PDF sets available. We also describe LHAGLUE, an add-on...
1501.01965
Jonathan Walsh
Daniele Bertolini, Jesse Thaler, Jonathan R. Walsh
The First Calculation of Fractional Jets
45 pages, 11 figures, 2 tables; v2: expanded discussion of non-additivity, v3: journal version
JHEP05(2015)008
10.1007/JHEP05(2015)008
MIT-CTP 4632
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In collider physics, jet algorithms are a ubiquitous tool for clustering particles into discrete jet objects. Event shapes offer an alternative way to characterize jets, and one can define a jet multiplicity event shape, which can take on fractional values, using the framework of "jets without jets". In this paper, w...
[ { "created": "Thu, 8 Jan 2015 21:00:12 GMT", "version": "v1" }, { "created": "Wed, 28 Jan 2015 21:33:48 GMT", "version": "v2" }, { "created": "Thu, 14 May 2015 23:48:43 GMT", "version": "v3" } ]
2015-05-18
[ [ "Bertolini", "Daniele", "" ], [ "Thaler", "Jesse", "" ], [ "Walsh", "Jonathan R.", "" ] ]
In collider physics, jet algorithms are a ubiquitous tool for clustering particles into discrete jet objects. Event shapes offer an alternative way to characterize jets, and one can define a jet multiplicity event shape, which can take on fractional values, using the framework of "jets without jets". In this paper, we ...
2405.10056
Anping Chen
An-Ping Chen and Xiaohui Liu and Yan-Qing Ma
Shedding Light on Hadronization by Quarkonium Energy Correlator
7 pages, 4 figures + supplemental materials (3 pages)
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose to measure the energy correlator in quarkonium production, which tracks the energy deposited in the calorimeter $\chi$-angular distance away from the identified quarkonium. The observable eliminates the need for jets while sustaining the perturbative predictive power. Analyzing the power correction to the ...
[ { "created": "Thu, 16 May 2024 12:46:12 GMT", "version": "v1" } ]
2024-05-17
[ [ "Chen", "An-Ping", "" ], [ "Liu", "Xiaohui", "" ], [ "Ma", "Yan-Qing", "" ] ]
We propose to measure the energy correlator in quarkonium production, which tracks the energy deposited in the calorimeter $\chi$-angular distance away from the identified quarkonium. The observable eliminates the need for jets while sustaining the perturbative predictive power. Analyzing the power correction to the en...
1603.06326
Xiao-Gang He
Alper Hayreter, Xiao-Gang He, German Valencia
CP violation in $h\to \tau\tau$ and LFV $h\to \mu\tau$
RevTex, 6 pages with one figure. Typos corrected and figure updated
null
10.1016/j.physletb.2016.06.066
CoEPP-MN-16-8
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The CMS collaboration has reported a possible lepton flavour violating (LFV) signal $h\to\mu\tau$. Whereas this does not happen in the standard model (SM), we point out that new physics responsible for this type of decay would, in general, also produce charge-parity (CP) violation in $h\to \tau\tau$. We estimate the ...
[ { "created": "Mon, 21 Mar 2016 05:13:58 GMT", "version": "v1" }, { "created": "Tue, 24 May 2016 00:28:00 GMT", "version": "v2" } ]
2016-08-03
[ [ "Hayreter", "Alper", "" ], [ "He", "Xiao-Gang", "" ], [ "Valencia", "German", "" ] ]
The CMS collaboration has reported a possible lepton flavour violating (LFV) signal $h\to\mu\tau$. Whereas this does not happen in the standard model (SM), we point out that new physics responsible for this type of decay would, in general, also produce charge-parity (CP) violation in $h\to \tau\tau$. We estimate the si...
hep-ph/9807342
Wolfgang Lucha
Wolfgang Lucha and Franz F. Sch"oberl
Spinless Salpeter Equation: Analytic Results
5 pages, LaTeX, invited talk at the "XI International Conference: Problems of Quantum Field Theory," July 13 - 17, 1998, JINR, BLTP, Dubna, Russia
null
null
HEPHY-PUB 692/98, UWThPh-1998-39
hep-ph hep-th
null
The spinless Salpeter equation is the combination of relativistic kinematics with some static interaction potential. The nonlocal nature of the Hamiltonian resulting from this approximation renders difficult to obtain rigorous analytic statements on resulting solutions. In view of this rather unsatisfactory state of ...
[ { "created": "Sat, 11 Jul 1998 06:47:31 GMT", "version": "v1" } ]
2007-05-23
[ [ "Lucha", "Wolfgang", "" ], [ "Sch\"oberl", "Franz F.", "" ] ]
The spinless Salpeter equation is the combination of relativistic kinematics with some static interaction potential. The nonlocal nature of the Hamiltonian resulting from this approximation renders difficult to obtain rigorous analytic statements on resulting solutions. In view of this rather unsatisfactory state of af...
hep-ph/9403341
David London
R. Aleksan, B. Kayser and D. London
Determining the Quark Mixing Matrix From CP-Violating Asymmetries
8 pages (plain TeX), 1 figure (postscript file appended), DAPNIA/SPP 94-06, NSF-PT-94-2, UdeM-LPN-TH-94-189
Phys.Rev.Lett.73:18-20,1994
10.1103/PhysRevLett.73.18
null
hep-ph
null
If the Standard Model explanation of CP violation is correct, then measurements of CP-violating asymmetries in $B$ meson decays can in principle determine the entire quark mixing matrix.
[ { "created": "Tue, 22 Mar 1994 18:46:32 GMT", "version": "v1" } ]
2009-09-25
[ [ "Aleksan", "R.", "" ], [ "Kayser", "B.", "" ], [ "London", "D.", "" ] ]
If the Standard Model explanation of CP violation is correct, then measurements of CP-violating asymmetries in $B$ meson decays can in principle determine the entire quark mixing matrix.
1004.3284
Markus Schulze
Kirill Melnikov, Markus Schulze, (Johns Hopkins U.)
NLO QCD corrections to top quark pair production in association with one hard jet at hadron colliders
29 pages, 6 figures, 4 tables, references updated, Tevatron plots corrected
Nucl.Phys.B840:129-159,2010
10.1016/j.nuclphysb.2010.07.003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the QCD corrections to the production of a top quark pair in association with one hard jet at the Tevatron and the LHC, using the method of generalized D-dimensional unitarity. Top quark decays are included at leading order in perturbative QCD. We present kinematic distributions of top quark decay products...
[ { "created": "Mon, 19 Apr 2010 19:56:14 GMT", "version": "v1" }, { "created": "Mon, 26 Apr 2010 20:10:23 GMT", "version": "v2" } ]
2014-11-20
[ [ "Melnikov", "Kirill", "" ], [ "Schulze", "Markus", "" ] ]
We compute the QCD corrections to the production of a top quark pair in association with one hard jet at the Tevatron and the LHC, using the method of generalized D-dimensional unitarity. Top quark decays are included at leading order in perturbative QCD. We present kinematic distributions of top quark decay products i...
1212.4476
Pearl Sandick
John Ellis, Feng Luo, Keith A. Olive, and Pearl Sandick
The Higgs Mass beyond the CMSSM
28 pages, 12 figures
null
10.1140/epjc/s10052-013-2403-0
KCL-PH-TH/2012-47, LCTS/2012-33, CERN-PH-TH/2012-343, UMN-TH-3128/12, FTPI-MINN-12/39
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The apparent discovery of a Higgs boson with mass ~125 GeV has had a significant impact on the constrained minimal supersymmetric extension of the Standard Model in which the scalar masses, gaugino masses and tri-linear A-terms are assumed to be universal at the GUT scale (the CMSSM). Much of the low-mass parameter s...
[ { "created": "Tue, 18 Dec 2012 20:19:36 GMT", "version": "v1" } ]
2015-06-12
[ [ "Ellis", "John", "" ], [ "Luo", "Feng", "" ], [ "Olive", "Keith A.", "" ], [ "Sandick", "Pearl", "" ] ]
The apparent discovery of a Higgs boson with mass ~125 GeV has had a significant impact on the constrained minimal supersymmetric extension of the Standard Model in which the scalar masses, gaugino masses and tri-linear A-terms are assumed to be universal at the GUT scale (the CMSSM). Much of the low-mass parameter spa...
hep-ph/0701192
Amine Ahriche
Amine Ahriche (Bielefeld U. & Jijel U.)
What is the Criterion for a Strong First Order Electroweak Phase Transition in Singlet Models?
9 pages, 5 figures
Phys.Rev.D75:083522,2007
10.1103/PhysRevD.75.083522
null
hep-ph hep-th
null
It is widely believed that the existence of singlet scalars in some Standard Model extensions can easily make the electroweak phase transition strongly first order, which is needed for the electroweak baryogenesis scenario. In this paper, we will examine the strength of the electroweak phase transition in the simples...
[ { "created": "Tue, 23 Jan 2007 12:24:31 GMT", "version": "v1" }, { "created": "Tue, 27 Mar 2007 12:51:32 GMT", "version": "v2" }, { "created": "Thu, 19 Apr 2007 14:36:52 GMT", "version": "v3" } ]
2008-11-26
[ [ "Ahriche", "Amine", "", "Bielefeld U. & Jijel U." ] ]
It is widely believed that the existence of singlet scalars in some Standard Model extensions can easily make the electroweak phase transition strongly first order, which is needed for the electroweak baryogenesis scenario. In this paper, we will examine the strength of the electroweak phase transition in the simplest ...
0704.3189
V. Gogohia
V. Gogokhia
II. The mass gap and solution of the quark confinement problem in QCD
No tables and figures, 15 pages
null
null
null
hep-ph hep-th
null
We have investigated a closed system of equations for the quark propagator, obtained earlier within our general approach to QCD at low energies. It implies quark confinement (the quark propagator has no pole, indeed), as well as the dynamical breakdown of chiral symmetry (a chiral symmetry preserving solution is forb...
[ { "created": "Tue, 24 Apr 2007 13:16:13 GMT", "version": "v1" } ]
2007-05-23
[ [ "Gogokhia", "V.", "" ] ]
We have investigated a closed system of equations for the quark propagator, obtained earlier within our general approach to QCD at low energies. It implies quark confinement (the quark propagator has no pole, indeed), as well as the dynamical breakdown of chiral symmetry (a chiral symmetry preserving solution is forbid...