id
stringlengths
9
14
submitter
stringlengths
1
56
authors
stringlengths
5
7.68k
title
stringlengths
3
299
comments
stringlengths
1
1.15k
journal-ref
stringlengths
9
298
doi
stringlengths
12
97
report-no
stringlengths
3
341
categories
stringclasses
869 values
license
stringclasses
9 values
orig_abstract
stringlengths
16
2.44k
versions
listlengths
1
39
update_date
stringlengths
10
10
authors_parsed
listlengths
1
565
abstract
stringlengths
13
2.44k
hep-ph/0309110
Gautam Bhattacharyya
Paramita Dey and Gautam Bhattacharyya
Ultraviolet sensitivity of rare decays in nonuniversal extra dimensional models
Latex, 11 pages, uses axodraw.sty
Phys.Rev.D69:076009,2004
10.1103/PhysRevD.69.076009
SINP/TNP/03-31
hep-ph
null
We consider a nonuniversal five dimensional model in which fermions are localised on a four dimensional brane, while gauge bosons and a scalar doublet can travel in the bulk. As a result of KK number non-conservation at the brane-bulk intersection, the ultraviolet divergence does not cancel out in some physical obser...
[ { "created": "Wed, 10 Sep 2003 11:10:04 GMT", "version": "v1" } ]
2014-11-17
[ [ "Dey", "Paramita", "" ], [ "Bhattacharyya", "Gautam", "" ] ]
We consider a nonuniversal five dimensional model in which fermions are localised on a four dimensional brane, while gauge bosons and a scalar doublet can travel in the bulk. As a result of KK number non-conservation at the brane-bulk intersection, the ultraviolet divergence does not cancel out in some physical observa...
1301.3532
Jungil Lee
Geoffrey T. Bodwin (Argonne), U-Rae Kim, Jungil Lee (Korea U.)
Order-v^4 Relativistic Corrections to Gluon Fragmentation into ^3S_1 Quarkonium
9 pages, 1 figure, 1 table, talk given by Jungil Lee at Xth Quark Confinement and the Hadron Spectrum, 8-12 October 2012, TUM Campus Garching, Munich, Germany
null
null
ANL-HEP-CP-13-3
hep-ph
http://creativecommons.org/licenses/publicdomain/
We compute the relativistic corrections to the color-singlet contribution to gluon fragmentation into a J/psi at relative order v^4, making use of the nonrelativistic QCD (NRQCD) factorization approach. The corresponding full-QCD process exhibits infrared divergences that manifest themselves as single and double pole...
[ { "created": "Wed, 16 Jan 2013 00:01:56 GMT", "version": "v1" } ]
2013-01-17
[ [ "Bodwin", "Geoffrey T.", "", "Argonne" ], [ "Kim", "U-Rae", "", "Korea U." ], [ "Lee", "Jungil", "", "Korea U." ] ]
We compute the relativistic corrections to the color-singlet contribution to gluon fragmentation into a J/psi at relative order v^4, making use of the nonrelativistic QCD (NRQCD) factorization approach. The corresponding full-QCD process exhibits infrared divergences that manifest themselves as single and double poles ...
2106.03896
Raktim Abir
Raktim Abir, Khatiza Banu and Nahid Vasim
Orbital Angular Momentum Distribution of Gluons at Small-$x$ : Analytic interpolation between Ji and Jaffe-Manohar
13 pages, 3 figures, version to appear in Physical Review D
null
null
null
hep-ph hep-lat nucl-th
http://creativecommons.org/licenses/by/4.0/
In this work, we first introduced a generalized Wilson line gauge link that reproduces both staple and near straight links along the light cone in different parameter limits. We then studied the gauge-invariant bi-local orbital angular momentum operator with such a general gauge link, in the framework of Chen et. al....
[ { "created": "Mon, 7 Jun 2021 18:13:36 GMT", "version": "v1" }, { "created": "Thu, 9 Jun 2022 05:42:31 GMT", "version": "v2" } ]
2022-06-10
[ [ "Abir", "Raktim", "" ], [ "Banu", "Khatiza", "" ], [ "Vasim", "Nahid", "" ] ]
In this work, we first introduced a generalized Wilson line gauge link that reproduces both staple and near straight links along the light cone in different parameter limits. We then studied the gauge-invariant bi-local orbital angular momentum operator with such a general gauge link, in the framework of Chen et. al. d...
hep-ph/9502389
Witold Skiba
Witold Skiba
Searching for the Scalar of the Strongly-Coupled Standard Model
9 pages, plain LaTeX, 3 uuencoded postscript figures
null
null
MIT-CTP-2417
hep-ph
null
We investigate decays of the scalar bound state present in the Abbott-Farhi model. We show that decays with photons in the final state may have large branching ratios. We also show that operators coupling the scalar particle to two photons or to a photon and a Z^0 are not seriously constrained by electroweak data, un...
[ { "created": "Sun, 26 Feb 1995 23:20:49 GMT", "version": "v1" } ]
2016-09-01
[ [ "Skiba", "Witold", "" ] ]
We investigate decays of the scalar bound state present in the Abbott-Farhi model. We show that decays with photons in the final state may have large branching ratios. We also show that operators coupling the scalar particle to two photons or to a photon and a Z^0 are not seriously constrained by electroweak data, unli...
2012.00665
Lingfeng Li
Lingfeng Li, Tao Liu
$b\to s\tau^+\tau^-$ Physics at Future $Z$ Factories
31 pages, 10 figures, comments welcome
null
10.1007/JHEP06(2021)064
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
$b\to s\tau^+\tau^-$ measurements are highly motivated for addressing lepton-flavor-universality (LFU)-violating puzzles such as $R_{K^{(\ast)}}$ anomalies. The anomalies of $R_{D^{(*)}}$ and $R_{J/\psi}$ further strengthen their necessity and importance, given that the LFU-violating hints from both involve the third...
[ { "created": "Tue, 1 Dec 2020 17:37:45 GMT", "version": "v1" } ]
2021-06-30
[ [ "Li", "Lingfeng", "" ], [ "Liu", "Tao", "" ] ]
$b\to s\tau^+\tau^-$ measurements are highly motivated for addressing lepton-flavor-universality (LFU)-violating puzzles such as $R_{K^{(\ast)}}$ anomalies. The anomalies of $R_{D^{(*)}}$ and $R_{J/\psi}$ further strengthen their necessity and importance, given that the LFU-violating hints from both involve the third-g...
0810.4877
John Ellis
Bruce A. Campbell, John Ellis, David W. Maybury
Observing The Hidden Sector
38 pages, 13 figures, uses UApreprint.cls and subfigure.sty (included)
null
null
CERN-PH-TH/2008-209
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the effects of renormalization due to hidden-sector dynamics on observable soft supersymmetry-breaking parameters in the minimal supersymmetric extension of the Standard Model (MSSM), under various hypotheses about their universality at a high input scale. We show that hidden-sector renormalization effects m...
[ { "created": "Mon, 27 Oct 2008 17:19:22 GMT", "version": "v1" } ]
2008-10-28
[ [ "Campbell", "Bruce A.", "" ], [ "Ellis", "John", "" ], [ "Maybury", "David W.", "" ] ]
We study the effects of renormalization due to hidden-sector dynamics on observable soft supersymmetry-breaking parameters in the minimal supersymmetric extension of the Standard Model (MSSM), under various hypotheses about their universality at a high input scale. We show that hidden-sector renormalization effects may...
1607.04449
Dr. Rukmani Mohanta
Suchismita Sahoo, Rukmani Mohanta
Effects of scalar leptoquark on semileptonic $\Lambda_b$ decays
30 pages, 9 figures, version to appear in New Journal of Physics
null
10.1088/1367-2630/18/9/093051
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the scalar leptoquark effects on the rare semileptonic decays of $\Lambda_b$ baryon, governed by the quark level transition $b \to s l^+ l^-$. We estimate the branching ratios, forward-backward asymmetries, lepton polarization parameters and the lepton flavour non-universality effects in these decay channels...
[ { "created": "Fri, 15 Jul 2016 10:45:51 GMT", "version": "v1" }, { "created": "Tue, 6 Sep 2016 11:27:21 GMT", "version": "v2" } ]
2016-10-12
[ [ "Sahoo", "Suchismita", "" ], [ "Mohanta", "Rukmani", "" ] ]
We study the scalar leptoquark effects on the rare semileptonic decays of $\Lambda_b$ baryon, governed by the quark level transition $b \to s l^+ l^-$. We estimate the branching ratios, forward-backward asymmetries, lepton polarization parameters and the lepton flavour non-universality effects in these decay channels. ...
hep-ph/0102304
Zhi-Zhong Xing
Zhi-zhong Xing
Nearly Bi-Maximal Neutrino Mixing, Muon g-2 Anomaly and Lepton-Flavor-Violating Processes
LaTex 6 pages (2 PS figures). Phys. Rev. D (in printing)
Phys.Rev. D64 (2001) 017304
10.1103/PhysRevD.64.017304
LMU-01-03
hep-ph
null
We interpret the newly observed muon g-2 anomaly in the framework of a leptonic Higgs doublet model with nearly degenerate neutrino masses and nearly bi-maximal neutrino mixing. Useful constraints are obtained on the rates of lepton-flavor-violating rare decays $\tau \to \mu \gamma$, $\mu \to e \gamma$ and $\tau \to ...
[ { "created": "Sat, 24 Feb 2001 21:37:38 GMT", "version": "v1" }, { "created": "Sun, 11 Mar 2001 07:45:42 GMT", "version": "v2" }, { "created": "Fri, 20 Apr 2001 07:43:25 GMT", "version": "v3" } ]
2009-11-07
[ [ "Xing", "Zhi-zhong", "" ] ]
We interpret the newly observed muon g-2 anomaly in the framework of a leptonic Higgs doublet model with nearly degenerate neutrino masses and nearly bi-maximal neutrino mixing. Useful constraints are obtained on the rates of lepton-flavor-violating rare decays $\tau \to \mu \gamma$, $\mu \to e \gamma$ and $\tau \to e ...
1502.03730
Jacopo Ghiglieri
Jacopo Ghiglieri and Derek Teaney
Parton energy loss and momentum broadening at NLO in high temperature QCD plasmas
Review to appear in QGP5, 40 pages, 12 figures
Int. J. Mod. Phys. E Vol. 24, No. 11 (2015) 1530013
10.1142/S0218301315300131
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an overview of a perturbative-kinetic approach to jet propagation, energy loss, and momentum broadening in a high temperature quark-gluon plasma. The leading-order kinetic equations describe the interactions between energetic jet-particles and a non-abelian plasma, consisting of on-shell thermal excitation...
[ { "created": "Thu, 12 Feb 2015 17:00:48 GMT", "version": "v1" } ]
2015-10-14
[ [ "Ghiglieri", "Jacopo", "" ], [ "Teaney", "Derek", "" ] ]
We present an overview of a perturbative-kinetic approach to jet propagation, energy loss, and momentum broadening in a high temperature quark-gluon plasma. The leading-order kinetic equations describe the interactions between energetic jet-particles and a non-abelian plasma, consisting of on-shell thermal excitations ...
1308.0697
Mustafa Savci
T. M. Aliev (1), Y. Oktem (2), M. Savci (3) ((1,3) Middle East Technical University/Ankara/Turkey, (2) Istanbul University/Istanbul/Turkey)
Electromagnetic transitions among octet and decuplet baryons in QCD
20 pages, 10 figures, LaTeX formatted
null
10.1103/PhysRevD.88.036002
metu-phys-hep-08-13
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The magnetic dipole G_M(Q^2), electric quadrupole G_E(Q^2), and Coulomb quadrupole G_C(Q^2) form factors, describing the spin-3/2 to spin-1/2 electromagnetic transitions, are investigated within the light cone QCD sum rules. The Q^2 dependence of these form factors, as well as ratios of electric quadrupole and Coulom...
[ { "created": "Sat, 3 Aug 2013 13:51:56 GMT", "version": "v1" } ]
2015-06-16
[ [ "Aliev", "T. M.", "" ], [ "Oktem", "Y.", "" ], [ "Savci", "M.", "" ] ]
The magnetic dipole G_M(Q^2), electric quadrupole G_E(Q^2), and Coulomb quadrupole G_C(Q^2) form factors, describing the spin-3/2 to spin-1/2 electromagnetic transitions, are investigated within the light cone QCD sum rules. The Q^2 dependence of these form factors, as well as ratios of electric quadrupole and Coulomb ...
hep-ph/9902479
Daniele Treleani
G. Calucci and D. Treleani (Univ. of Trieste, Dpt. di Fisica Teorica)
Proton Structure in Transverse Space and the Effective Cross Section
12 pages, 2 figures
Phys.Rev. D60 (1999) 054023
10.1103/PhysRevD.60.054023
null
hep-ph
null
The observation of double parton collisions by CDF has provided the first direct information on the structure of the proton in transverse space. The actual quantity which has been measured is the `effective cross section' $\sigma_{eff}$, which is related to the transverse size of the region where hard interactions ar...
[ { "created": "Fri, 26 Feb 1999 12:45:46 GMT", "version": "v1" } ]
2009-10-31
[ [ "Calucci", "G.", "", "Univ. of Trieste, Dpt. di Fisica Teorica" ], [ "Treleani", "D.", "", "Univ. of Trieste, Dpt. di Fisica Teorica" ] ]
The observation of double parton collisions by CDF has provided the first direct information on the structure of the proton in transverse space. The actual quantity which has been measured is the `effective cross section' $\sigma_{eff}$, which is related to the transverse size of the region where hard interactions are ...
hep-ph/9504347
Santiago Peris
S. Peris (CERN, Theory Division)
LOOKING AT THE QCD CORRECTIONS FOR LARGE $M_t$: AN EFFECTIVE LAGRANGIAN POINT OF VIEW
Latex with macro appended at the beginning of file. Talk given at the Ringberg Workshop ``Perspectives for electroweak interactions in $e^+e^-$ collisions", Ringberg Castle, Germany, February 5--8, 1995. To appear in the proceedings
null
null
CERN-TH/95-92
hep-ph
null
We discuss the QCD corrections to the large-$m_t$ electroweak contributions to $\Delta r$ and to the process $Z\to b \bar b$ as two of the most representative examples. This needs the construction of an effetive field theory below the top quark. We discuss the issue of what $\mu$ scale is the appropriate one at every...
[ { "created": "Thu, 20 Apr 1995 13:07:17 GMT", "version": "v1" } ]
2007-05-23
[ [ "Peris", "S.", "", "CERN, Theory Division" ] ]
We discuss the QCD corrections to the large-$m_t$ electroweak contributions to $\Delta r$ and to the process $Z\to b \bar b$ as two of the most representative examples. This needs the construction of an effetive field theory below the top quark. We discuss the issue of what $\mu$ scale is the appropriate one at every s...
hep-ph/0702022
Thomas Mehen
Thomas Mehen (Duke U. & Jefferson Lab) Ahmad Idilbi (Duke U.)
On The Equivalence of Soft and Zero-Bin Subtractions
24 pages, 6 figures
Phys.Rev.D75:114017,2007
10.1103/PhysRevD.75.114017
null
hep-ph
null
Zero-bin subtractions are required to avoid double counting soft contributions in collinear loop integrals in Soft-Collinear Effective Theory (SCET). In traditional approaches to factorization, double counting is avoided by dividing jet functions by matrix elements of soft Wilson lines. In this paper, we compare the ...
[ { "created": "Fri, 2 Feb 2007 19:55:59 GMT", "version": "v1" } ]
2008-11-26
[ [ "Mehen", "Thomas", "", "Duke U. & Jefferson Lab" ], [ "Idilbi", "Ahmad", "", "Duke U." ] ]
Zero-bin subtractions are required to avoid double counting soft contributions in collinear loop integrals in Soft-Collinear Effective Theory (SCET). In traditional approaches to factorization, double counting is avoided by dividing jet functions by matrix elements of soft Wilson lines. In this paper, we compare the tw...
hep-ph/9803262
L. T. Handoko
L. T. Handoko
Branching-ratio and CP violation in semi-inclusive flavor-changing top decays
6 pages, LaTeX, no figure, revised version for publication
Nuovo Cim. A111 (1998) 1275
10.1007/BF03545794
LFTMLIPI-139801
hep-ph
null
Semi-inclusive top decays, $t \to q_i \v$, are examined in the framework of the standard model, with $q_i = u {\rm or} c$, $\v$ : vector meson formed by $q_j \qb_j$ ($q_j = d, s, b$). By using a simple model of hadronization, that is $ 0 \l| \qb_j \gamma^\mu q_j \r| \v = \mv \fv \evj^\mu$, the total branching ratio i...
[ { "created": "Fri, 6 Mar 1998 05:14:59 GMT", "version": "v1" }, { "created": "Sun, 24 May 1998 11:05:34 GMT", "version": "v2" }, { "created": "Mon, 26 Oct 1998 20:55:22 GMT", "version": "v3" }, { "created": "Thu, 29 Oct 1998 09:48:48 GMT", "version": "v4" } ]
2022-03-02
[ [ "Handoko", "L. T.", "" ] ]
Semi-inclusive top decays, $t \to q_i \v$, are examined in the framework of the standard model, with $q_i = u {\rm or} c$, $\v$ : vector meson formed by $q_j \qb_j$ ($q_j = d, s, b$). By using a simple model of hadronization, that is $ 0 \l| \qb_j \gamma^\mu q_j \r| \v = \mv \fv \evj^\mu$, the total branching ratio is ...
hep-ph/9703351
Masafumi Koike
Jiro Arafune, Masafumi Koike and Joe Sato
CP Violation and Matter Effect in Long Baseline Neutrino Oscillation Experiments
17 pages + 9 eps figures, LaTeX, errors are corrected
Phys.Rev.D56:3093-3099,1997; Erratum-ibid.D60:119905,1999
10.1103/PhysRevD.56.3093 10.1103/PhysRevD.60.119905
ICRR-Report-385-97-8
hep-ph
null
We show simple methods how to separate pure CP violating effect from matter effect in long baseline neutrino oscillation experiments with three generations of neutrinos. We give compact formulae for neutrino oscillation probabilities assuming one of the three neutrino masses (presumably tau-neutrino mass) to be much ...
[ { "created": "Tue, 18 Mar 1997 08:31:05 GMT", "version": "v1" }, { "created": "Tue, 24 Jun 1997 16:46:44 GMT", "version": "v2" }, { "created": "Mon, 11 Aug 1997 09:16:06 GMT", "version": "v3" }, { "created": "Thu, 25 Sep 1997 08:22:47 GMT", "version": "v4" }, { "c...
2014-11-17
[ [ "Arafune", "Jiro", "" ], [ "Koike", "Masafumi", "" ], [ "Sato", "Joe", "" ] ]
We show simple methods how to separate pure CP violating effect from matter effect in long baseline neutrino oscillation experiments with three generations of neutrinos. We give compact formulae for neutrino oscillation probabilities assuming one of the three neutrino masses (presumably tau-neutrino mass) to be much la...
hep-ph/9907343
Levai Peter
Miklos Gyulassy, Peter Levai, Ivan Vitev
Jet quenching in thin plasmas
4 pages in Latex and 3 EPS figures, Proceedings of the Quark Matter'99 Conference, 10-15 May, 1999, Torino
Nucl.Phys.A661:637-640,1999
10.1016/S0375-9474(99)85106-9
null
hep-ph
null
We investigate the energy loss of quarks and gluons produced in hard processes resulting from final state rescatterings in a finite quark-gluon plasma. The angular distribution of the soft gluon bremsstrahlung induced by n_s=1 rescatterings in the plasma is computed in the Gyulassy-Wang model. Special focus is on how...
[ { "created": "Tue, 13 Jul 1999 20:33:49 GMT", "version": "v1" } ]
2009-10-09
[ [ "Gyulassy", "Miklos", "" ], [ "Levai", "Peter", "" ], [ "Vitev", "Ivan", "" ] ]
We investigate the energy loss of quarks and gluons produced in hard processes resulting from final state rescatterings in a finite quark-gluon plasma. The angular distribution of the soft gluon bremsstrahlung induced by n_s=1 rescatterings in the plasma is computed in the Gyulassy-Wang model. Special focus is on how t...
hep-ph/0512060
Konstantin Chetyrkin G.
K.G. Chetyrkin, J.H. K\"uhn and C. Sturm
QCD Decoupling at Four Loops
21 pages, 2 figures, the complete paper is also available via the www at http://www-ttp.physik.uni-karlsruhe.de/Preprints/
Nucl.Phys.B744:121-135,2006
10.1016/j.nuclphysb.2006.03.020
SFB/CPP-05-80, TTP05-27
hep-ph
null
We present the matching condition for the strong coupling contant alpha_s at a heavy quark threshold to four loops in the modified minimal subtraction scheme. Our results lead to further decrease of the theoretical uncertainty of the evolution of the strong coupling constant through heavy quark thresholds. Using a lo...
[ { "created": "Mon, 5 Dec 2005 11:24:15 GMT", "version": "v1" } ]
2008-11-26
[ [ "Chetyrkin", "K. G.", "" ], [ "Kühn", "J. H.", "" ], [ "Sturm", "C.", "" ] ]
We present the matching condition for the strong coupling contant alpha_s at a heavy quark threshold to four loops in the modified minimal subtraction scheme. Our results lead to further decrease of the theoretical uncertainty of the evolution of the strong coupling constant through heavy quark thresholds. Using a low ...
2011.07182
Hieu Minh Tran
Sang Quang Dinh and Hieu Minh Tran
Muon $g-2$ and semileptonic $B$ decays in B\'elanger-Delaunay-Westhoff model with gauge kinetic mixing
36 pages, 23 figures. Version to be published in Physical Review D
Phys. Rev. D 104, 115009 (2021)
10.1103/PhysRevD.104.115009
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the model proposed by B\'elanger, Delaunay and Westhoff (BDW), a new sector consisted of vectorlike fermions and two complex scalars is charged under an extra Abelian symmetry $U(1)_X$. In this paper, we generalize the BDW model by introducing the kinetic mixing between the $U(1)_X$ and the standard model $U(1)_Y$...
[ { "created": "Sat, 14 Nov 2020 01:08:44 GMT", "version": "v1" }, { "created": "Tue, 24 Nov 2020 10:43:53 GMT", "version": "v2" }, { "created": "Wed, 13 Oct 2021 15:43:27 GMT", "version": "v3" } ]
2023-03-29
[ [ "Dinh", "Sang Quang", "" ], [ "Tran", "Hieu Minh", "" ] ]
In the model proposed by B\'elanger, Delaunay and Westhoff (BDW), a new sector consisted of vectorlike fermions and two complex scalars is charged under an extra Abelian symmetry $U(1)_X$. In this paper, we generalize the BDW model by introducing the kinetic mixing between the $U(1)_X$ and the standard model $U(1)_Y$ g...
hep-ph/0304116
Jorge C. Romao
Cyril Hugonie, Jorge C. Romao, Ana M. Teixeira
Spontaneous CP Violation in Non-Minimal Supersymmetric Models
21 pages, 7 Figures in Encapsulated Postscript
JHEP 0306 (2003) 020
10.1088/1126-6708/2003/06/020
FTUAM 03/06, IFT-UAM/CSIC-03-12, IFIC/03-08
hep-ph
null
We study the possibilities of spontaneous CP violation in the Next-to-Minimal Supersymmetric Standard Model with an extra singlet tadpole term in the scalar potential. We calculate the Higgs boson masses and couplings with radiative corrections including dominant two loop terms. We show that it is possible to satisfy...
[ { "created": "Fri, 11 Apr 2003 17:32:13 GMT", "version": "v1" } ]
2009-11-10
[ [ "Hugonie", "Cyril", "" ], [ "Romao", "Jorge C.", "" ], [ "Teixeira", "Ana M.", "" ] ]
We study the possibilities of spontaneous CP violation in the Next-to-Minimal Supersymmetric Standard Model with an extra singlet tadpole term in the scalar potential. We calculate the Higgs boson masses and couplings with radiative corrections including dominant two loop terms. We show that it is possible to satisfy t...
hep-ph/0107243
Georgii N. Shestakov
N.N. Achasov and G.N. Shestakov (Institute for Mathematics, Novosibirsk, Russia)
Mechanisms of the $f_0(980)$ production in the reaction $\pi^-p\to\pi^0 \pi^0n$
11 pages including 3 figures
Phys.Lett.B528:73-80,2002
10.1016/S0370-2693(02)01203-0
null
hep-ph hep-ex nucl-th
null
The model of the pure one-pion exchange mechanism, which gives a good description of the GAMS results on the alteration of the $S$-wave $\pi^0\pi^0$ mass spectrum in the $f_0(980)$ region in the reaction $\pi^-p\to\pi^0\pi^0n$ with increasing $-t$, is compared with the recent detailed data on the $m$ and $t$ distribu...
[ { "created": "Tue, 24 Jul 2001 03:45:09 GMT", "version": "v1" } ]
2014-11-17
[ [ "Achasov", "N. N.", "", "Institute for Mathematics,\n Novosibirsk, Russia" ], [ "Shestakov", "G. N.", "", "Institute for Mathematics,\n Novosibirsk, Russia" ] ]
The model of the pure one-pion exchange mechanism, which gives a good description of the GAMS results on the alteration of the $S$-wave $\pi^0\pi^0$ mass spectrum in the $f_0(980)$ region in the reaction $\pi^-p\to\pi^0\pi^0n$ with increasing $-t$, is compared with the recent detailed data on the $m$ and $t$ distributi...
2003.09809
Raghavendra Hundi
Raghavendra Srikanth Hundi and Itishree Sethi
Neutrino masses and mixing angles in a model with six Higgs triplets and $A_4$ symmetry
17 pages, 1 figure; apart form minor changes a new section on phenomenological implications of the model and new references are added, conclusions are unchanged; accepted by PRD
Phys. Rev. D 102, 055007 (2020)
10.1103/PhysRevD.102.055007
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We have considered a model \cite{ma-weg}, where masses and a mixing pattern for neutrinos are governed by six Higgs triplets and $A_4$ symmetry. In this model we have applied a certain diagonalisation procedure through which we have shown that neutrino masses can have both normal or inverted hierarchy. We have also s...
[ { "created": "Sun, 22 Mar 2020 05:05:39 GMT", "version": "v1" }, { "created": "Tue, 18 Aug 2020 09:56:48 GMT", "version": "v2" } ]
2020-09-16
[ [ "Hundi", "Raghavendra Srikanth", "" ], [ "Sethi", "Itishree", "" ] ]
We have considered a model \cite{ma-weg}, where masses and a mixing pattern for neutrinos are governed by six Higgs triplets and $A_4$ symmetry. In this model we have applied a certain diagonalisation procedure through which we have shown that neutrino masses can have both normal or inverted hierarchy. We have also sho...
hep-ph/9501241
Carlo Giunti
S.M. Bilenky and C. Giunti
A MODEL INDEPENDENT APPROACH TO FUTURE SOLAR NEUTRINO EXPERIMENTS
Latex file, 4 pages (no figures).
null
null
DFTT 1/95; Talk presented by S.M. Bilenky at the Conference Beyond the Standard Model IV, Lake Tahoe, California, December 1994.
hep-ph
null
It is shown that from the data of future solar neutrino experiments (SNO and Super-Kamiokande), in which high-energy $^8\mathrm{B}$ neutrinos will be detected, it will be possible in a model independent way: 1) To reveal the presence of sterile neutrinos in the flux of solar neutrinos on the earth; 2) To obtain the i...
[ { "created": "Mon, 9 Jan 1995 12:40:40 GMT", "version": "v1" } ]
2016-09-01
[ [ "Bilenky", "S. M.", "" ], [ "Giunti", "C.", "" ] ]
It is shown that from the data of future solar neutrino experiments (SNO and Super-Kamiokande), in which high-energy $^8\mathrm{B}$ neutrinos will be detected, it will be possible in a model independent way: 1) To reveal the presence of sterile neutrinos in the flux of solar neutrinos on the earth; 2) To obtain the ini...
0802.4022
Dremin
I.M. Dremin
In-medium QCD and Cherenkov gluons
13 p., misprints corrected
Eur.Phys.J.C56:81-86,2008
10.1140/epjc/s10052-008-0627-1
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The equations of in-medium gluodynamics are proposed. Their classical lowest order solution is explicitly shown for a color charge moving with constant speed. For nuclear permittivity larger than 1 it describes emission of Cherenkov gluons resembling results of classical electrodynamics. The choice of nuclear permitt...
[ { "created": "Wed, 27 Feb 2008 13:31:06 GMT", "version": "v1" }, { "created": "Fri, 25 Apr 2008 10:37:39 GMT", "version": "v2" }, { "created": "Sun, 24 Aug 2008 06:57:56 GMT", "version": "v3" } ]
2008-11-26
[ [ "Dremin", "I. M.", "" ] ]
The equations of in-medium gluodynamics are proposed. Their classical lowest order solution is explicitly shown for a color charge moving with constant speed. For nuclear permittivity larger than 1 it describes emission of Cherenkov gluons resembling results of classical electrodynamics. The choice of nuclear permittiv...
1706.07242
Alexander Sandrock
Alexander Sandrock and Stanislav R. Kelner and Wolfgang Rhode
Radiative corrections to the average bremsstrahlung energy loss of high-energy muons
null
null
10.1016/j.physletb.2017.11.047
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
High-energy muons can travel large thicknesses of matter. For underground neutrino and cosmic ray detectors the energy loss of muons has to be known accurately for simulations. In this article the next-to-leading order correction to the average energy loss of muons through bremsstrahlung is calculated using a modifie...
[ { "created": "Thu, 22 Jun 2017 10:38:21 GMT", "version": "v1" } ]
2018-01-17
[ [ "Sandrock", "Alexander", "" ], [ "Kelner", "Stanislav R.", "" ], [ "Rhode", "Wolfgang", "" ] ]
High-energy muons can travel large thicknesses of matter. For underground neutrino and cosmic ray detectors the energy loss of muons has to be known accurately for simulations. In this article the next-to-leading order correction to the average energy loss of muons through bremsstrahlung is calculated using a modified ...
2312.07150
Radha Raman Gautam
Sanjeev Kumar, Radha Raman Gautam
Neutrino Mass Matrices with Generalized CP Symmetries and Texture Zeros
22 pages, 5 figures, 4 tables
Nucl. Phys. B 1001 (2024) 116520
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We investigate the properties of neutrino mass matrices that incorporate texture zeros and generalized CP symmetries associated with tribimaximal mixing. By combining these approaches, we derive predictive neutrino mass matrices and explore their implications for mass hierarchies, mixing angles, and CP-violating phas...
[ { "created": "Tue, 12 Dec 2023 10:39:34 GMT", "version": "v1" }, { "created": "Tue, 26 Mar 2024 16:55:09 GMT", "version": "v2" } ]
2024-03-27
[ [ "Kumar", "Sanjeev", "" ], [ "Gautam", "Radha Raman", "" ] ]
We investigate the properties of neutrino mass matrices that incorporate texture zeros and generalized CP symmetries associated with tribimaximal mixing. By combining these approaches, we derive predictive neutrino mass matrices and explore their implications for mass hierarchies, mixing angles, and CP-violating phases...
2003.02276
Debasish Borah
Debasish Borah, Arnab Dasgupta, Kohei Fujikura, Sin Kyu Kang, Devabrat Mahanta
Observable Gravitational Waves in Minimal Scotogenic Model
36 pages, 6 figures, matches version accepted for publication in JCAP
null
10.1088/1475-7516/2020/08/046
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We scrutinise the widely studied minimal scotogenic model of dark matter (DM) and radiative neutrino mass from the requirement of a strong first order electroweak phase transition (EWPT) and observable gravitational waves at future planned space based experiments. The scalar DM scenario is similar to inert scalar dou...
[ { "created": "Wed, 4 Mar 2020 19:00:02 GMT", "version": "v1" }, { "created": "Tue, 14 Jul 2020 08:56:30 GMT", "version": "v2" } ]
2020-09-02
[ [ "Borah", "Debasish", "" ], [ "Dasgupta", "Arnab", "" ], [ "Fujikura", "Kohei", "" ], [ "Kang", "Sin Kyu", "" ], [ "Mahanta", "Devabrat", "" ] ]
We scrutinise the widely studied minimal scotogenic model of dark matter (DM) and radiative neutrino mass from the requirement of a strong first order electroweak phase transition (EWPT) and observable gravitational waves at future planned space based experiments. The scalar DM scenario is similar to inert scalar doubl...
hep-ph/9506478
Owe Philipsen
Owe Philipsen (Oxford)
The Sphaleron Rate in the "Symmetric" Electroweak Phase
10 pages latex, 2 figures in separate uufile
Phys.Lett. B358 (1995) 210-216
10.1016/0370-2693(95)01003-9
OUTP 95-21 P
hep-ph
null
I calculate the rate of $B+L$ violating processes in the ``symmetric" phase of the Standard Model by means of semiclassical methods, which are based on an appropriately resummed loop expansion within the dimensionally reduced theory. The rate is found to reach its asymptotic form $\Gamma/V=c(\a_W T)^4$ at a temperatu...
[ { "created": "Sun, 2 Jul 1995 15:42:00 GMT", "version": "v1" } ]
2009-10-28
[ [ "Philipsen", "Owe", "", "Oxford" ] ]
I calculate the rate of $B+L$ violating processes in the ``symmetric" phase of the Standard Model by means of semiclassical methods, which are based on an appropriately resummed loop expansion within the dimensionally reduced theory. The rate is found to reach its asymptotic form $\Gamma/V=c(\a_W T)^4$ at a temperature...
hep-ph/0509122
Tom Steele
F.A. Chishtie, V. Elias, R.B. Mann, D.G.C. McKeon, T.G. Steele
Stability of Subsequent-to-Leading-Logarithm Corrections to the Effective Potential for Radiative Electroweak Symmetry Breaking
21 pages, latex2e, 2 eps figures embedded in latex file. Updated version contains expanded analysis in Section 4
Nucl.Phys.B743:104-132,2006
10.1016/j.nuclphysb.2006.03.005
null
hep-ph
null
We demonstrate the stability under subsequent-to-leading logarithm corrections of the quartic scalar-field coupling constant $\lambda$ and the running Higgs boson mass obtained from the (initially massless) effective potential for radiatively broken electroweak symmetry in the single-Higgs-Doublet Standard Model. Suc...
[ { "created": "Tue, 13 Sep 2005 03:50:42 GMT", "version": "v1" }, { "created": "Thu, 1 Jun 2006 22:12:38 GMT", "version": "v2" } ]
2008-11-26
[ [ "Chishtie", "F. A.", "" ], [ "Elias", "V.", "" ], [ "Mann", "R. B.", "" ], [ "McKeon", "D. G. C.", "" ], [ "Steele", "T. G.", "" ] ]
We demonstrate the stability under subsequent-to-leading logarithm corrections of the quartic scalar-field coupling constant $\lambda$ and the running Higgs boson mass obtained from the (initially massless) effective potential for radiatively broken electroweak symmetry in the single-Higgs-Doublet Standard Model. Such ...
1907.06507
Alexander Parkhomenko
Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam, Alexander Ya. Parkhomenko, Abdur Rehman
Mass spectrum of the hidden-charm pentaquarks in the compact diquark model
68 pages, 1 figure, 16 tables, submitted to JHEP. V2: discussions extended, references added, typos corrected, results unchanged. V3: A comment added at the end of Sec. 6
null
10.1007/JHEP10(2019)256
DESY 19-052
hep-ph hep-ex hep-lat
http://creativecommons.org/licenses/by/4.0/
The LHCb collaboration have recently updated their analysis of the resonant $J/\psi p$ mass spectrum in the decay $\Lambda_b^0 \to J/\psi p K^-$, making use of their combined Run 1 and Run 2 data. In the updated analysis, three narrow states, $P_c (4312)^+$, $P_c (4440)^+$,and $P_c (4457)^+$, are observed. The spin-p...
[ { "created": "Mon, 15 Jul 2019 13:51:35 GMT", "version": "v1" }, { "created": "Sun, 6 Oct 2019 19:13:36 GMT", "version": "v2" }, { "created": "Thu, 10 Oct 2019 15:30:57 GMT", "version": "v3" } ]
2020-01-08
[ [ "Ali", "Ahmed", "" ], [ "Ahmed", "Ishtiaq", "" ], [ "Aslam", "M. Jamil", "" ], [ "Parkhomenko", "Alexander Ya.", "" ], [ "Rehman", "Abdur", "" ] ]
The LHCb collaboration have recently updated their analysis of the resonant $J/\psi p$ mass spectrum in the decay $\Lambda_b^0 \to J/\psi p K^-$, making use of their combined Run 1 and Run 2 data. In the updated analysis, three narrow states, $P_c (4312)^+$, $P_c (4440)^+$,and $P_c (4457)^+$, are observed. The spin-par...
hep-ph/9611381
Fred Myhrer
F. Myhrer
What have we learned from antiproton proton scattering?
10 pages, Latex, to be published in Nucl. Phys
Nucl. Phys. B (Proc. Suppl.) 56A, 14 (1997)
10.1016/S0920-5632(97)00246-6
null
hep-ph nucl-th
null
From recent charge exchange measurements in the extreme forward direction, an independent and precise determination of the pion nucleon coupling constant is possible. This determination has reopened the debate on the value of this fundamental coupling constant of nuclear physics. Precise measurements of charge exchan...
[ { "created": "Wed, 20 Nov 1996 23:55:22 GMT", "version": "v1" } ]
2012-07-19
[ [ "Myhrer", "F.", "" ] ]
From recent charge exchange measurements in the extreme forward direction, an independent and precise determination of the pion nucleon coupling constant is possible. This determination has reopened the debate on the value of this fundamental coupling constant of nuclear physics. Precise measurements of charge exchange...
hep-ph/9808291
Andrei Afanasev
Andrei V. Afanasev
Scaling Region Meson Photoproduction and Elastic Form Factors of Hadrons
9 pages, 7 figures, Talk at the Workshop `Jefferson Lab Physics and Instrumentation with 6-12 GeV Beams', Newport News, VA, June 15-18, 1998; typos fixed
null
null
null
hep-ph
null
First, I define generalized Bloom-Gilman duality and Bjorken-like scaling for inclusive photoproduction of pions, relating Quark-Parton Model description in the deep-inelastic region to the properties of exclusive resonance excitation. Secondly, connection between inclusive and exclusive processes is established in t...
[ { "created": "Mon, 10 Aug 1998 23:03:24 GMT", "version": "v1" }, { "created": "Thu, 13 Aug 1998 15:03:23 GMT", "version": "v2" } ]
2007-05-23
[ [ "Afanasev", "Andrei V.", "" ] ]
First, I define generalized Bloom-Gilman duality and Bjorken-like scaling for inclusive photoproduction of pions, relating Quark-Parton Model description in the deep-inelastic region to the properties of exclusive resonance excitation. Secondly, connection between inclusive and exclusive processes is established in the...
1803.09061
Rafal Maciula
Rafal Maciula
Simultaneous production of D and B mesons
10 pages, 7 figures, talk given by R. Maciu{\l}a at XXIV Cracow EPIPHANY Conference on Advances in Heavy Flavour Physics, 9-12 January 2018, Cracow, Poland
null
10.5506/APhysPolB.49.1257
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present results of our studies of double-parton scattering (DPS) effects in simultaneous production of heavy flavour mesons (charm and bottom). We discuss production of charm-bottom and bottom-bottom meson-meson pairs in proton-proton collisions at the LHC. The calculation of DPS mechanism is performed within fact...
[ { "created": "Sat, 24 Mar 2018 05:56:12 GMT", "version": "v1" } ]
2018-08-01
[ [ "Maciula", "Rafal", "" ] ]
We present results of our studies of double-parton scattering (DPS) effects in simultaneous production of heavy flavour mesons (charm and bottom). We discuss production of charm-bottom and bottom-bottom meson-meson pairs in proton-proton collisions at the LHC. The calculation of DPS mechanism is performed within factor...
1504.06772
Eugenio Del Nobile
Eugenio Del Nobile, Graciela B. Gelmini, Samuel J. Witte
Target dependence of the annual modulation in direct dark matter searches
6 pages, 4 figures. Version accepted for publication
Phys. Rev. D 91, 121302 (2015)
10.1103/PhysRevD.91.121302
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Due to Earth's revolution around the Sun, the expected scattering rate in direct dark matter searches is annually modulated. This modulation is expected to differ between experiments when given as a function of recoil energy $E_\text{R}$, e.g. due to the gravitational focusing effect of the Sun. A better variable to ...
[ { "created": "Sat, 25 Apr 2015 23:07:00 GMT", "version": "v1" }, { "created": "Thu, 28 May 2015 18:47:07 GMT", "version": "v2" } ]
2015-06-24
[ [ "Del Nobile", "Eugenio", "" ], [ "Gelmini", "Graciela B.", "" ], [ "Witte", "Samuel J.", "" ] ]
Due to Earth's revolution around the Sun, the expected scattering rate in direct dark matter searches is annually modulated. This modulation is expected to differ between experiments when given as a function of recoil energy $E_\text{R}$, e.g. due to the gravitational focusing effect of the Sun. A better variable to co...
hep-ph/0401198
Yi Zhang
Yi Zhang
Kaon Fragmentation Function and $K/\pi$ Ratios in Nuclear Collisions
4 pages, 3 figures, RevTex4;address is changed
null
null
null
hep-ph
null
An improved leading order fragmentation functions set of kaon is proposed based on the experimental data. We compare it with currently available sets, and use it to calculate high-$p_T$ $K/\pi$ ratios in relativistic proton-proton collisions. A prediction of $K/\pi$ ratios in relativistic nucleus-nucleus collisions (...
[ { "created": "Mon, 26 Jan 2004 02:01:24 GMT", "version": "v1" }, { "created": "Wed, 28 Jan 2004 17:05:33 GMT", "version": "v2" } ]
2007-05-23
[ [ "Zhang", "Yi", "" ] ]
An improved leading order fragmentation functions set of kaon is proposed based on the experimental data. We compare it with currently available sets, and use it to calculate high-$p_T$ $K/\pi$ ratios in relativistic proton-proton collisions. A prediction of $K/\pi$ ratios in relativistic nucleus-nucleus collisions ($d...
1105.3765
Daniel Feldman
Daniel Feldman, Gordon Kane, Eric Kuflik, and Ran Lu
A new (string motivated) approach to the little hierarchy problem
6 pages, 3 figs, V2 has additional comments
Phys.Lett.B704:56-61,2011
10.1016/j.physletb.2011.08.063
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We point out that in theories where the gravitino mass, $M_{3/2}$, is in the range (10-50)TeV, with soft-breaking scalar masses and trilinear couplings of the same order, there exists a robust region of parameter space where the conditions for electroweak symmetry breaking (EWSB) are satisfied without large imposed c...
[ { "created": "Wed, 18 May 2011 23:39:55 GMT", "version": "v1" }, { "created": "Sat, 28 May 2011 22:40:02 GMT", "version": "v2" } ]
2015-03-19
[ [ "Feldman", "Daniel", "" ], [ "Kane", "Gordon", "" ], [ "Kuflik", "Eric", "" ], [ "Lu", "Ran", "" ] ]
We point out that in theories where the gravitino mass, $M_{3/2}$, is in the range (10-50)TeV, with soft-breaking scalar masses and trilinear couplings of the same order, there exists a robust region of parameter space where the conditions for electroweak symmetry breaking (EWSB) are satisfied without large imposed can...
1107.4456
Vladimir Zoller
R. Fiore, V.R. Zoller
Heavy quark currents in ultra-high energy neutrino interactions
13 pages, 2 figures, to be published in JETP Letters
null
10.1134/S002136401202004X
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss heavy quark contributions to the neutrino-nucleon total cross section at very high energies, well above the real top production threshold. The top-bottom weak current is found to generate strong left-right asymmetry of neutrino-nucleon interactions. We separate contributions of different helicity states an...
[ { "created": "Fri, 22 Jul 2011 09:12:27 GMT", "version": "v1" }, { "created": "Sat, 17 Dec 2011 17:30:25 GMT", "version": "v2" } ]
2015-05-28
[ [ "Fiore", "R.", "" ], [ "Zoller", "V. R.", "" ] ]
We discuss heavy quark contributions to the neutrino-nucleon total cross section at very high energies, well above the real top production threshold. The top-bottom weak current is found to generate strong left-right asymmetry of neutrino-nucleon interactions. We separate contributions of different helicity states and ...
1009.5765
Xiao-Ming Xu
Xiao-Ming Xu, Li-Sha Xu
Thermalization of quark-gluon matter with the elastic scattering of gqq, gqqbar and gqbarqbar
28 pages, 16 figures
J.Phys.G37:115003,2010
10.1088/0954-3899/37/11/115003
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The elastic scattering of gqq, gqqbar and gqbarqbar and the thermalization of quark-gluon matter are studied. According to Feynman diagrams at the tree level, squared amplitudes for the elastic gqq scattering and the elastic gqqbar scattering are derived in perturbative QCD. Transport equations including the squared ...
[ { "created": "Wed, 29 Sep 2010 03:57:14 GMT", "version": "v1" } ]
2011-03-28
[ [ "Xu", "Xiao-Ming", "" ], [ "Xu", "Li-Sha", "" ] ]
The elastic scattering of gqq, gqqbar and gqbarqbar and the thermalization of quark-gluon matter are studied. According to Feynman diagrams at the tree level, squared amplitudes for the elastic gqq scattering and the elastic gqqbar scattering are derived in perturbative QCD. Transport equations including the squared am...
2212.03052
Ioannis Gialamas
Ioannis D. Gialamas, Alexandros Karam, and Thomas D. Pappas
Gravitational corrections to electroweak vacuum decay: metric vs. Palatini
typos corrected
null
10.1016/j.physletb.2023.137885
null
hep-ph gr-qc hep-th
http://creativecommons.org/licenses/by/4.0/
We consider the standard Einstein-Hilbert-Higgs action where the Higgs field couples nonminimally with gravity via the term $\xi h^2 \mathcal{R}$, and investigate the stability of the electroweak vacuum in the presence of gravitational corrections in both the metric and Palatini formulations of gravity. In order to i...
[ { "created": "Tue, 6 Dec 2022 15:29:05 GMT", "version": "v1" }, { "created": "Mon, 10 Apr 2023 12:26:09 GMT", "version": "v2" }, { "created": "Wed, 7 Jun 2023 11:55:08 GMT", "version": "v3" } ]
2023-06-08
[ [ "Gialamas", "Ioannis D.", "" ], [ "Karam", "Alexandros", "" ], [ "Pappas", "Thomas D.", "" ] ]
We consider the standard Einstein-Hilbert-Higgs action where the Higgs field couples nonminimally with gravity via the term $\xi h^2 \mathcal{R}$, and investigate the stability of the electroweak vacuum in the presence of gravitational corrections in both the metric and Palatini formulations of gravity. In order to ide...
hep-ph/9906204
Thomas Gehrmann
J.Bartels (Hamburg), T.Gehrmann (Karlsruhe, TTP), M.G.Ryskin (St. Petersburg, PNPI)
Spin Dependence of Deep Inelastic Diffraction
16 pages, LaTeX, 1 figure included
Eur.Phys.J.C11:325-333,1999
10.1007/s100520050637
DESY-99-065, TTP99-26
hep-ph
null
Using a perturbative model for diffractive interactions, we derive an expression for the polarized diffractive structure function $g_1^D$ in the high energy limit. This structure function is given by the interference of diffractive amplitudes with polarized and unpolarized exchanges. For the polarized exchange we con...
[ { "created": "Tue, 1 Jun 1999 14:50:12 GMT", "version": "v1" } ]
2011-09-13
[ [ "Bartels", "J.", "", "Hamburg" ], [ "Gehrmann", "T.", "", "Karlsruhe, TTP" ], [ "Ryskin", "M. G.", "", "St.\n Petersburg, PNPI" ] ]
Using a perturbative model for diffractive interactions, we derive an expression for the polarized diffractive structure function $g_1^D$ in the high energy limit. This structure function is given by the interference of diffractive amplitudes with polarized and unpolarized exchanges. For the polarized exchange we consi...
1901.08569
Samina S. Masood
Samina Masood and Holly Mein
Magnetic Moment of Leptons
12 pages, 2 tables and 6 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that the magnetic moment of leptons is significantly modified in thermal background as compared to the corresponding vacuum value. We compare the magnetic moment of all different leptons near nucleosynthesis. It is shown that the significance of thermal corrections depends on the temperature of the universe a...
[ { "created": "Thu, 24 Jan 2019 18:40:34 GMT", "version": "v1" } ]
2019-01-25
[ [ "Masood", "Samina", "" ], [ "Mein", "Holly", "" ] ]
We show that the magnetic moment of leptons is significantly modified in thermal background as compared to the corresponding vacuum value. We compare the magnetic moment of all different leptons near nucleosynthesis. It is shown that the significance of thermal corrections depends on the temperature of the universe and...
1101.2019
Damiano Anselmi
Damiano Anselmi and Martina Taiuti
Vacuum Cherenkov Radiation In Quantum Electrodynamics With High-Energy Lorentz Violation
27 pages, 2 figures; v2: typos corrected, more references, some more comments - PRD
Phys.Rev.D83:056010,2011
10.1103/PhysRevD.83.056010
IFUP-TH 2010/46
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study phenomena predicted by a renormalizable, CPT invariant extension of the Standard Model that contains higher-dimensional operators and violates Lorentz symmetry explicitly at energies greater than some scale Lambda_{L}. In particular, we consider the Cherenkov radiation in vacuo. In a rather general class of ...
[ { "created": "Tue, 11 Jan 2011 04:41:07 GMT", "version": "v1" }, { "created": "Sat, 12 Mar 2011 03:59:18 GMT", "version": "v2" } ]
2011-03-21
[ [ "Anselmi", "Damiano", "" ], [ "Taiuti", "Martina", "" ] ]
We study phenomena predicted by a renormalizable, CPT invariant extension of the Standard Model that contains higher-dimensional operators and violates Lorentz symmetry explicitly at energies greater than some scale Lambda_{L}. In particular, we consider the Cherenkov radiation in vacuo. In a rather general class of di...
hep-ph/0011100
M. V. T. Machado
M. B. Gay Ducati (IF-Ufrgs), M. V. T. Machado (IF-Ufrgs)
Finite Gluons Ladders and Hadronic Collisions
LaTeX2e, 5pp, 2 figures, uses espcrc2.sty. Talk given at International Workshop on Diffraction in High-Energy Physics (Diffraction 2000), Cetraro, Italy, Sept. 2-7, 2000
Nucl.Phys.Proc.Suppl. 99A (2001) 265-269
10.1016/S0920-5632(01)01345-7
null
hep-ph
null
A truncated BFKL series is studied and applied to hadronic processes. The proton-(anti)proton cross sections are described with good agreement with data and in a way consistent with the unitarity bound. The elastic scattering amplitude is calculated at momentum transfer $t$ different from zero, introducing two distin...
[ { "created": "Tue, 7 Nov 2000 20:52:25 GMT", "version": "v1" } ]
2009-10-31
[ [ "Ducati", "M. B. Gay", "", "IF-Ufrgs" ], [ "Machado", "M. V. T.", "", "IF-Ufrgs" ] ]
A truncated BFKL series is studied and applied to hadronic processes. The proton-(anti)proton cross sections are described with good agreement with data and in a way consistent with the unitarity bound. The elastic scattering amplitude is calculated at momentum transfer $t$ different from zero, introducing two distinct...
hep-ph/0309076
Yu Feng Zhou
Yu-Feng Zhou
Textures and hierarchies in quark mass matrices with four texture-zeros
21 pages, no figures
null
null
LMU-03-21
hep-ph
null
A systematic analysis on the phenomenologically allowed textures in Hermitian quark mass matrices with four texture-zeros is presented. The current data allow a full determination of the mass matrix elements, provided that the actual number of the parameters in the matrices is less than or equal to ten. Besides the s...
[ { "created": "Mon, 8 Sep 2003 14:40:27 GMT", "version": "v1" } ]
2007-05-23
[ [ "Zhou", "Yu-Feng", "" ] ]
A systematic analysis on the phenomenologically allowed textures in Hermitian quark mass matrices with four texture-zeros is presented. The current data allow a full determination of the mass matrix elements, provided that the actual number of the parameters in the matrices is less than or equal to ten. Besides the sta...
1301.1137
Norimi Yokozaki
Tsutomu T. Yanagida and Norimi Yokozaki
Focus Point in Gaugino Mediation ~ Reconsideration of the Fine-tuning Problem ~
13 pages, 4 figures; published version
null
10.1016/j.physletb.2013.04.043
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We reconsider the fine-tuning problem in SUSY models, motivated by the recent observation of the relatively heavy Higgs boson and non-observation of the SUSY particles at the LHC. Based on this thought, we demonstrate a focus point-like behavior in a gaugino mediation model, and show that the fine-tuning is indeed re...
[ { "created": "Mon, 7 Jan 2013 09:38:01 GMT", "version": "v1" }, { "created": "Mon, 24 Jun 2013 05:39:57 GMT", "version": "v2" } ]
2013-06-25
[ [ "Yanagida", "Tsutomu T.", "" ], [ "Yokozaki", "Norimi", "" ] ]
We reconsider the fine-tuning problem in SUSY models, motivated by the recent observation of the relatively heavy Higgs boson and non-observation of the SUSY particles at the LHC. Based on this thought, we demonstrate a focus point-like behavior in a gaugino mediation model, and show that the fine-tuning is indeed redu...
hep-ph/0403079
Shang-Yuu Tsai
Chun-Khiang Chua, Wei-Shu Hou and Shang-Yuu Tsai
Extraction of Axial Form Factors from Bbar0 --> D+ K- K{*0} Decay
15 pages, 5 figures
Phys.Rev. D70 (2004) 034032
10.1103/PhysRevD.70.034032
null
hep-ph hep-ex
null
Based on Bbar to D{(*)}K-K{*0} decay data, which supports factorization, we propose to extract the kaon axial form factor in the factorization framework. Experiment indicates that the K-K{*0} pair is produced by an axial current where only one out of three axial form factors is dominant. The axial form factor can be ...
[ { "created": "Mon, 8 Mar 2004 10:49:18 GMT", "version": "v1" } ]
2009-11-10
[ [ "Chua", "Chun-Khiang", "" ], [ "Hou", "Wei-Shu", "" ], [ "Tsai", "Shang-Yuu", "" ] ]
Based on Bbar to D{(*)}K-K{*0} decay data, which supports factorization, we propose to extract the kaon axial form factor in the factorization framework. Experiment indicates that the K-K{*0} pair is produced by an axial current where only one out of three axial form factors is dominant. The axial form factor can be ex...
1412.0618
Zhenyu Han
Zhenyu Han and Yandong Liu
MT2 to the Rescue -- Searching for Sleptons in Compressed Spectra at the LHC
12 pages, 6 figures
Phys. Rev. D 92, 015010 (2015)
10.1103/PhysRevD.92.015010
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose a novel method for probing sleptons in compressed spectra at hadron colliders. The process under study is slepton pair production in R-parity conserving supersymmetry, where the slepton decays to a neutralino LSP of mass close to the slepton mass. In order to pass the trigger and obtain large missing energ...
[ { "created": "Mon, 1 Dec 2014 20:02:55 GMT", "version": "v1" } ]
2015-07-22
[ [ "Han", "Zhenyu", "" ], [ "Liu", "Yandong", "" ] ]
We propose a novel method for probing sleptons in compressed spectra at hadron colliders. The process under study is slepton pair production in R-parity conserving supersymmetry, where the slepton decays to a neutralino LSP of mass close to the slepton mass. In order to pass the trigger and obtain large missing energy,...
hep-ph/9907396
Sandro Ambrosanio
Sandro Ambrosanio (1), Grahame A. Blair (2), ((1) CERN, (2) U. of London)
Precision GMSB at a Linear Collider
LaTeX + sprocl.sty + epsf.sty, 6 pages, 3 figures (5 eps files)
null
null
CERN-TH/99-214
hep-ph hep-ex
null
We simulate precision measurements of gauge-mediated supersymmetry breaking (GMSB) parameters at a 500 GeV e+e- linear collider in the scenario where a neutralino is the next-to-lightest supersymmetric particle. Information on the supersymmetry breaking and the messenger sectors of the theory is extracted from the me...
[ { "created": "Fri, 16 Jul 1999 17:58:59 GMT", "version": "v1" } ]
2007-05-23
[ [ "Ambrosanio", "Sandro", "" ], [ "Blair", "Grahame A.", "" ] ]
We simulate precision measurements of gauge-mediated supersymmetry breaking (GMSB) parameters at a 500 GeV e+e- linear collider in the scenario where a neutralino is the next-to-lightest supersymmetric particle. Information on the supersymmetry breaking and the messenger sectors of the theory is extracted from the meas...
hep-ph/9507293
Grzegorz Wilk
M.Biyajima T.Mizoguchi, T.Osada and G.Wilk
Coulomb corrections for Bose-Einstein correlations in whole momentum transfer region: Proposal of seamless fitting
LaTex file, 6 pages, hard copies of 5 figures available on request to minoru44@jpnyitp.bitnet or wilk@fuw.edu.pl (one new Fig. 5 added)
Phys.Lett. B366 (1996) 394-400
10.1016/0370-2693(95)01339-3
SULDP-1995-4
hep-ph
null
We applied an improved Coulomb correction method developed by us recently to data on identical KK-pairs production in S + Pb and p + Pb reactions at 200 GeV/c obtained by NA44 Collaboration. To analyse the whole range of the momentum transfers measured the method of "seamless fitting" has been proposed and used toget...
[ { "created": "Wed, 12 Jul 1995 15:19:40 GMT", "version": "v1" }, { "created": "Fri, 14 Jul 1995 10:24:59 GMT", "version": "v2" } ]
2009-10-28
[ [ "Mizoguchi", "M. Biyajima T.", "" ], [ "Osada", "T.", "" ], [ "Wilk", "G.", "" ] ]
We applied an improved Coulomb correction method developed by us recently to data on identical KK-pairs production in S + Pb and p + Pb reactions at 200 GeV/c obtained by NA44 Collaboration. To analyse the whole range of the momentum transfers measured the method of "seamless fitting" has been proposed and used togethe...
2205.00247
Chengqun Pang
Lhamo chosto, Ya-rong Wang, Zhi-bin Gao, Cheng-qun Pang, Hao Chen, Yu-Long Kang
WKB approximation under Killingbeck potential and its application to double heavy meson mass spectrum
7 pages, 1 figure
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
As we all known that non-relativistic or semi-relativistic constituent quark models can describe a large number of the meson sand baryon properties with surprising accuracy. In this work, we studied Killingbeck potential by using WKB approximation in the constituent quark model. The implicit approximate solution of t...
[ { "created": "Sat, 30 Apr 2022 11:50:52 GMT", "version": "v1" } ]
2022-05-03
[ [ "chosto", "Lhamo", "" ], [ "Wang", "Ya-rong", "" ], [ "Gao", "Zhi-bin", "" ], [ "Pang", "Cheng-qun", "" ], [ "Chen", "Hao", "" ], [ "Kang", "Yu-Long", "" ] ]
As we all known that non-relativistic or semi-relativistic constituent quark models can describe a large number of the meson sand baryon properties with surprising accuracy. In this work, we studied Killingbeck potential by using WKB approximation in the constituent quark model. The implicit approximate solution of the...
hep-ph/9308228
null
Bengt-{\AA}ke Lindholm
Hadronic axion, baryogenesis and dark matter
8 pages, Latex, Preprint SNUTP-93-40
null
null
null
hep-ph
null
We investigate the prospects of an extra global symmetry, added to the Standard Model in the context of baryogenesis. The $PQ$ symmetry is studied as an example. We show that the hadronic axion provides a protection of the B-asymmetry even if $B-L$=0 and that there are no limits on the neutrino masses. It is also sho...
[ { "created": "Thu, 5 Aug 1993 15:03:24 GMT", "version": "v1" } ]
2007-05-23
[ [ "Lindholm", "Bengt-Åke", "" ] ]
We investigate the prospects of an extra global symmetry, added to the Standard Model in the context of baryogenesis. The $PQ$ symmetry is studied as an example. We show that the hadronic axion provides a protection of the B-asymmetry even if $B-L$=0 and that there are no limits on the neutrino masses. It is also shown...
1811.00585
Carlos Enrique Alvarez Salazar
B. L. S\'anchez-Vega, G. Gambini and C. E. Alvarez-Salazar
Vacuum stability conditions of the economical 3-3-1 model from copositivity
22 pages, 7 figures, added text and references. Matches published version
Eur. Phys. J. C (2019) 79: 299
10.1140/epjc/s10052-019-6807-3
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
By applying copositivity criterion to the scalar potential of the economical $3-3-1$ model, we derive necessary and sufficient bounded-from-below conditions at tree level. Although these are a large number of intricate inequalities for the dimensionless parameters of the scalar potential, we present general enlighten...
[ { "created": "Thu, 1 Nov 2018 18:47:13 GMT", "version": "v1" }, { "created": "Sat, 6 Apr 2019 20:38:42 GMT", "version": "v2" } ]
2019-04-09
[ [ "Sánchez-Vega", "B. L.", "" ], [ "Gambini", "G.", "" ], [ "Alvarez-Salazar", "C. E.", "" ] ]
By applying copositivity criterion to the scalar potential of the economical $3-3-1$ model, we derive necessary and sufficient bounded-from-below conditions at tree level. Although these are a large number of intricate inequalities for the dimensionless parameters of the scalar potential, we present general enlightenin...
0805.0996
Motoi Endo
Motoi Endo and Tetsuo Shindou
Lepton-flavour violation in the light of leptogenesis and muon g-2
13 pages, 1 figure
null
null
DESY 08-051
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A discrepancy between the experimental and theoretical results was reported for the anomalous magnetic moment of the muon. In leptogenesis scenarios which are due to a decay of right-handed neutrinos, this anomaly leads to large violations of lepton flavour within the framework of supersymmetric see-saw models. It is...
[ { "created": "Wed, 7 May 2008 14:52:18 GMT", "version": "v1" } ]
2008-05-08
[ [ "Endo", "Motoi", "" ], [ "Shindou", "Tetsuo", "" ] ]
A discrepancy between the experimental and theoretical results was reported for the anomalous magnetic moment of the muon. In leptogenesis scenarios which are due to a decay of right-handed neutrinos, this anomaly leads to large violations of lepton flavour within the framework of supersymmetric see-saw models. It is s...
hep-ph/9504253
Kim Maltman
Kim Maltman
Strong Isospin Mixing Effects on the Extraction of $\Delta I=3/2$ Non-Leptonic Hyperon Decay Amplitudes
15 pages, Plain TEX Entire manuscript available as a ps file at http://www.physics.adelaide.edu.au/theory/home.html Also available via anonymous ftp at ftp://adelphi.adelaide.edu.au/pub/theory/ADP-95-4.T171.ps To appear in Physics Letters B
Phys.Lett. B345 (1995) 541-546
10.1016/0370-2693(94)01601-8
ADP-95-4/T171
hep-ph
null
The existence of isospin admixtures in the physical $\Lambda$, $\pi^o$ complicates the extraction of Delta I=3/2 non-leptonic hyperon decay amplitudes from experimental data, allowing contributions associated with large Delta I=1/2 amplitudes to appear in the (nominally) Delta I=3/2 amplitudes obtained ignoring these...
[ { "created": "Fri, 7 Apr 1995 04:32:37 GMT", "version": "v1" } ]
2009-10-28
[ [ "Maltman", "Kim", "" ] ]
The existence of isospin admixtures in the physical $\Lambda$, $\pi^o$ complicates the extraction of Delta I=3/2 non-leptonic hyperon decay amplitudes from experimental data, allowing contributions associated with large Delta I=1/2 amplitudes to appear in the (nominally) Delta I=3/2 amplitudes obtained ignoring these a...
2005.01515
Emidio Gabrielli
Marco Fabbrichesi, Emidio Gabrielli, Gaia Lanfranchi
The Dark Photon
70 pages, 18 figures. Final version. The Physics of the Dark Photon (SpringerBriefs in Physics)
SpringerBriefs in Physics 2020
10.1007/978-3-030-62519-1
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The dark photon is a new gauge boson whose existence has been conjectured. It is dark because it arises from a symmetry of a hypothetical dark sector comprising particles completely neutral under the Standard Model interactions. Dark though it is, this new gauge boson can be detected because of its kinetic mixing wit...
[ { "created": "Mon, 4 May 2020 14:31:03 GMT", "version": "v1" }, { "created": "Mon, 25 May 2020 20:49:22 GMT", "version": "v2" }, { "created": "Fri, 16 Oct 2020 18:38:00 GMT", "version": "v3" } ]
2021-03-02
[ [ "Fabbrichesi", "Marco", "" ], [ "Gabrielli", "Emidio", "" ], [ "Lanfranchi", "Gaia", "" ] ]
The dark photon is a new gauge boson whose existence has been conjectured. It is dark because it arises from a symmetry of a hypothetical dark sector comprising particles completely neutral under the Standard Model interactions. Dark though it is, this new gauge boson can be detected because of its kinetic mixing with ...
hep-ph/0602007
Erika Alvarez
Erika Alvarez, Jean Pestieau
Final State Interactions in B to pi-pi, pi-K decays and constrains on gamma
14 pages, 6 figures; added comments in section 2 and added references
null
null
null
hep-ph
null
We apply the quasi-elastic assumption of the strong final state interactions to describe the B to pi-pi and B to pi-K branching ratios and CP asymmetries and derive bounds on gamma. We find that small electroweak penguins contributions and values of gamma larger than in standard fit results are favored by data.
[ { "created": "Wed, 1 Feb 2006 15:44:23 GMT", "version": "v1" }, { "created": "Fri, 3 Mar 2006 15:38:14 GMT", "version": "v2" } ]
2007-05-23
[ [ "Alvarez", "Erika", "" ], [ "Pestieau", "Jean", "" ] ]
We apply the quasi-elastic assumption of the strong final state interactions to describe the B to pi-pi and B to pi-K branching ratios and CP asymmetries and derive bounds on gamma. We find that small electroweak penguins contributions and values of gamma larger than in standard fit results are favored by data.
1805.05823
Newton Nath
Newton Nath
Consequences of $ \mu-\tau $ Reflection Symmetry at DUNE
28 pages, 6 figures, 11 tables, minor changes in the text, Version accepted for publication in Phys. Rev. D
Phys. Rev. D 98, 075015 (2018)
10.1103/PhysRevD.98.075015
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider minimal type-I seesaw framework to realize $ \mu-\tau $ reflection symmetry in the low-energy neutrino mass matrix, $ M_{\nu} $. Considering DUNE experiment, we scrutinize its potential to measure the precision of 2-3 mixing angle, $ \theta_{23} $ and the Dirac CP-phase, $ \delta $ for the given symmetry....
[ { "created": "Tue, 15 May 2018 14:42:56 GMT", "version": "v1" }, { "created": "Thu, 18 Oct 2018 00:17:00 GMT", "version": "v2" } ]
2018-10-19
[ [ "Nath", "Newton", "" ] ]
We consider minimal type-I seesaw framework to realize $ \mu-\tau $ reflection symmetry in the low-energy neutrino mass matrix, $ M_{\nu} $. Considering DUNE experiment, we scrutinize its potential to measure the precision of 2-3 mixing angle, $ \theta_{23} $ and the Dirac CP-phase, $ \delta $ for the given symmetry. L...
0704.0388
Pasquale Migliozzi Dr.
A. Donini, M. Maltoni, D. Meloni, P. Migliozzi, F. Terranova
Sterile neutrinos at the CNGS
Major modifications; new analysis after MiniBooNE data release: 21 pages, 5 figures
JHEP 0712:013,2007
10.1088/1126-6708/2007/12/013
null
hep-ph
null
We study the potential of the CNGS beam in constraining the parameter space of a model with one sterile neutrino separated from three active ones by an $\mathcal{O}(\eVq)$ mass-squared difference, $\Dmq_\Sbl$. We perform our analysis using the OPERA detector as a reference (our analysis can be upgraded including a de...
[ { "created": "Tue, 3 Apr 2007 13:25:38 GMT", "version": "v1" }, { "created": "Thu, 11 Oct 2007 16:36:59 GMT", "version": "v2" } ]
2009-01-06
[ [ "Donini", "A.", "" ], [ "Maltoni", "M.", "" ], [ "Meloni", "D.", "" ], [ "Migliozzi", "P.", "" ], [ "Terranova", "F.", "" ] ]
We study the potential of the CNGS beam in constraining the parameter space of a model with one sterile neutrino separated from three active ones by an $\mathcal{O}(\eVq)$ mass-squared difference, $\Dmq_\Sbl$. We perform our analysis using the OPERA detector as a reference (our analysis can be upgraded including a deta...
hep-ph/0210230
Janusz Gluza
M. Czakon (Karlsruhe U.), J. Gluza (DESY-Zeuthen), J. Hejczyk (U. Silesia)
The Minimal Left-Right Symmetric Model and Radiative Corrections to the Muon Decay
small corrections, final version for proceedings
Nucl.Phys.Proc.Suppl. 116 (2003) 230-234
10.1016/S0920-5632(03)80175-5
null
hep-ph
null
A self-consistent version of the left-right (LR) symmetric model is used to examine tree- as well as one-loop level radiative corrections to the muon decay. It is shown that constraints on the heavy sector of the model parameters are different when going beyond tree-level physics. In fact, in our case, the only usefu...
[ { "created": "Wed, 16 Oct 2002 14:05:35 GMT", "version": "v1" }, { "created": "Fri, 3 Jan 2003 11:51:33 GMT", "version": "v2" } ]
2009-11-07
[ [ "Czakon", "M.", "", "Karlsruhe U." ], [ "Gluza", "J.", "", "DESY-Zeuthen" ], [ "Hejczyk", "J.", "", "U.\n Silesia" ] ]
A self-consistent version of the left-right (LR) symmetric model is used to examine tree- as well as one-loop level radiative corrections to the muon decay. It is shown that constraints on the heavy sector of the model parameters are different when going beyond tree-level physics. In fact, in our case, the only useful ...
hep-ph/9807560
Jian Tang
Jian Tang (MIT,LNS)
Probing the Nucleon's Transversity Via Two-Meson Production in Polarized Nucleon-Nucleon Collisions
10 pages, 4 figures
null
null
MIT-CTP-2769
hep-ph
null
We explore the possibility of probing the nucleon's transversity distribution $\delta q(x)$ through the final state interaction between two mesons ($\pi^+\pi^-$, $\pi K$, or $K\bar K$) produced in transversely polarized nucleon-nucleon collisions. We present a single spin asymmetry and estimate its magnitude under so...
[ { "created": "Thu, 30 Jul 1998 18:30:29 GMT", "version": "v1" } ]
2007-05-23
[ [ "Tang", "Jian", "", "MIT,LNS" ] ]
We explore the possibility of probing the nucleon's transversity distribution $\delta q(x)$ through the final state interaction between two mesons ($\pi^+\pi^-$, $\pi K$, or $K\bar K$) produced in transversely polarized nucleon-nucleon collisions. We present a single spin asymmetry and estimate its magnitude under some...
hep-ph/0310090
Fran\c{c}ois Gelis
F. Gelis (SPhT/Saclay), R. Venugopalan (BNL)
Large mass Q-Qbar production from the Color Glass Condensate
24 pages, 3 postscript figures
Phys.Rev.D69:014019,2004
10.1103/PhysRevD.69.014019
null
hep-ph nucl-th
null
We compute quark-antiquark pair production in the context of the Color Glass Condensate model for central heavy-ion collisions. The calculation is performed analytically to leading order in the density of hard sources present in the projectiles, and is applicable to quarks with a mass large compared to the saturation...
[ { "created": "Wed, 8 Oct 2003 18:12:43 GMT", "version": "v1" } ]
2008-11-26
[ [ "Gelis", "F.", "", "SPhT/Saclay" ], [ "Venugopalan", "R.", "", "BNL" ] ]
We compute quark-antiquark pair production in the context of the Color Glass Condensate model for central heavy-ion collisions. The calculation is performed analytically to leading order in the density of hard sources present in the projectiles, and is applicable to quarks with a mass large compared to the saturation m...
1507.06200
Lorenzo Ubaldi
Stefano Colucci, Herbi K. Dreiner, Florian Staub, Lorenzo Ubaldi
Heavy concerns about the light axino explanation of the 3.5 keV X-ray line
5 pages; v2 matches the one published in PLB
Physics Letters B (2015), pp. 107-111
10.1016/j.physletb.2015.09.009
null
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An unidentified 3.5 keV line from X-ray observations of galaxy clusters has been reported recently. Although still under scrutiny, decaying dark matter could be responsible for this signal. We investigate whether an axino with a mass of 7 keV could explain the line, keeping the discussion as model independent as poss...
[ { "created": "Wed, 22 Jul 2015 14:15:44 GMT", "version": "v1" }, { "created": "Tue, 8 Sep 2015 20:58:54 GMT", "version": "v2" } ]
2015-09-11
[ [ "Colucci", "Stefano", "" ], [ "Dreiner", "Herbi K.", "" ], [ "Staub", "Florian", "" ], [ "Ubaldi", "Lorenzo", "" ] ]
An unidentified 3.5 keV line from X-ray observations of galaxy clusters has been reported recently. Although still under scrutiny, decaying dark matter could be responsible for this signal. We investigate whether an axino with a mass of 7 keV could explain the line, keeping the discussion as model independent as possib...
1909.00466
Carlo Giunti Dr.
C. Giunti
General COHERENT Constraints on Neutrino Non-Standard Interactions
19 pages
Phys. Rev. D 101, 035039 (2020)
10.1103/PhysRevD.101.035039
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the results of a systematic study of the constraints on neutrino neutral-current non-standard interactions (NSI) that can be obtained from the analysis of the COHERENT spectral and temporal data. First, we consider the general case in which all the ten relevant neutral-current NSI parameters are considered...
[ { "created": "Sun, 1 Sep 2019 20:12:07 GMT", "version": "v1" }, { "created": "Wed, 5 Feb 2020 11:23:09 GMT", "version": "v2" } ]
2020-03-04
[ [ "Giunti", "C.", "" ] ]
We present the results of a systematic study of the constraints on neutrino neutral-current non-standard interactions (NSI) that can be obtained from the analysis of the COHERENT spectral and temporal data. First, we consider the general case in which all the ten relevant neutral-current NSI parameters are considered a...
0810.4092
Andres Hernandez
Andres Hernandez, Thomas Konstandin, Michael G. Schmidt
Sizable CP Violation in the Bosonized Standard Model
15 pages, minor changes, published version
null
10.1016/j.nuclphysb.2008.12.021
null
hep-ph astro-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the worldline method, we derive an effective action of the bosonic sector of the Standard Model by integrating out the fermionic degrees of freedom. The CP violation stemming from the complex phase in the CKM matrix gives rise to CP-violating operators in the one-loop effective action in the next-to-leading ord...
[ { "created": "Wed, 22 Oct 2008 15:35:36 GMT", "version": "v1" }, { "created": "Tue, 27 Jan 2009 08:42:38 GMT", "version": "v2" } ]
2009-11-13
[ [ "Hernandez", "Andres", "" ], [ "Konstandin", "Thomas", "" ], [ "Schmidt", "Michael G.", "" ] ]
Using the worldline method, we derive an effective action of the bosonic sector of the Standard Model by integrating out the fermionic degrees of freedom. The CP violation stemming from the complex phase in the CKM matrix gives rise to CP-violating operators in the one-loop effective action in the next-to-leading order...
1401.0139
Einan Gardi
Einan Gardi
Progress on soft gluon exponentiation and long-distance singularities
22 pages, 13 figures; presented at the 11th International Symposium on Radiative Corrections, RADCOR 2013, 22-27 September 2013, Lumley Castle, UK
null
null
Edinburgh 2013/35
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I review the recent progress in studying long-distance singularities in gauge-theory scattering amplitudes in terms of Wilson lines. The non-Abelian exponentiation theorem, which has been recently generalised to the case of multi-leg amplitudes, states that diagrams exponentiate such that the colour factors in the ex...
[ { "created": "Tue, 31 Dec 2013 13:17:03 GMT", "version": "v1" } ]
2014-01-03
[ [ "Gardi", "Einan", "" ] ]
I review the recent progress in studying long-distance singularities in gauge-theory scattering amplitudes in terms of Wilson lines. The non-Abelian exponentiation theorem, which has been recently generalised to the case of multi-leg amplitudes, states that diagrams exponentiate such that the colour factors in the expo...
1710.11391
Wolfgang Sch\"afer
Wolfgang Sch\"afer, Anna Cisek, Antoni Szczurek
Photoproduction of $J/\psi$ with dissociation of protons
5 pages, presented by WS at EDS Blois 2017, Prague, Czech Republic, June 26-30, 2017
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present the cross sections for both electromagnetic and diffractive dissociation of protons for semiexclusive production of $J/\psi$ mesons in proton-proton collisions at the LHC. Differential distributions in missing mass ($M_X$), as well as distributions in rapidity and transverse momentum of the $J/\psi$ are ca...
[ { "created": "Tue, 31 Oct 2017 09:38:00 GMT", "version": "v1" } ]
2017-11-01
[ [ "Schäfer", "Wolfgang", "" ], [ "Cisek", "Anna", "" ], [ "Szczurek", "Antoni", "" ] ]
We present the cross sections for both electromagnetic and diffractive dissociation of protons for semiexclusive production of $J/\psi$ mesons in proton-proton collisions at the LHC. Differential distributions in missing mass ($M_X$), as well as distributions in rapidity and transverse momentum of the $J/\psi$ are calc...
hep-ph/9806258
Andrzej Czarnecki
Andrzej Czarnecki and Kirill Melnikov
Perturbative QCD calculations with heavy quarks
References corrected. LaTeX, 9 pages, 1 figure
null
null
BNL-HET/98-22, TTP98-23
hep-ph
null
We review recent calculations of second order corrections to heavy quark decays. Techniques developed in this context are applicable to many processes involving heavy charged particles, for example the nonabelian dipole radiation. Calculations involving relativistic radiating particles are also discussed.
[ { "created": "Thu, 4 Jun 1998 13:12:04 GMT", "version": "v1" }, { "created": "Mon, 29 Jun 1998 00:38:55 GMT", "version": "v2" } ]
2007-05-23
[ [ "Czarnecki", "Andrzej", "" ], [ "Melnikov", "Kirill", "" ] ]
We review recent calculations of second order corrections to heavy quark decays. Techniques developed in this context are applicable to many processes involving heavy charged particles, for example the nonabelian dipole radiation. Calculations involving relativistic radiating particles are also discussed.
1509.08481
Andrew Spray
Yi Cai and Andrew Paul Spray
Fermionic Semi-Annihilating Dark Matter
34 pages, 22 figures; v3 accepted for publication in JHEP
null
10.1007/JHEP01(2016)087
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Semi-annihilation is a generic feature of dark matter theories with symmetries larger than Z2. We investigate two examples with multi-component dark sectors comprised of an SU(2)L singlet or triplet fermion besides a scalar singlet. These are respectively the minimal fermionic semi-annihilating model, and the minimal...
[ { "created": "Mon, 28 Sep 2015 20:14:55 GMT", "version": "v1" }, { "created": "Mon, 19 Oct 2015 06:02:40 GMT", "version": "v2" }, { "created": "Wed, 13 Jan 2016 01:38:59 GMT", "version": "v3" } ]
2016-02-17
[ [ "Cai", "Yi", "" ], [ "Spray", "Andrew Paul", "" ] ]
Semi-annihilation is a generic feature of dark matter theories with symmetries larger than Z2. We investigate two examples with multi-component dark sectors comprised of an SU(2)L singlet or triplet fermion besides a scalar singlet. These are respectively the minimal fermionic semi-annihilating model, and the minimal c...
1402.0241
Daisuke Satow
Jean-Paul Blaizot and Daisuke Satow
Ultra-soft fermionic excitation at finite chemical potential
10 pages, 8 figures. v2: Figs. 7 and 8 are added, detailed discussion on value of chemical potential in which the ultrasoft mode persists are added in Sec. III-C
Phys. Rev. D 89, 096001 (2014)
10.1103/PhysRevD.89.096001
RIKEN-QHP-111
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It has been suggested previously that an ultra-soft fermionic excitation develops, albeit with a small spectral weight, in a system of massless fermions and scalar bosons with Yukawa interaction at high temperature ($T$). In this paper we study how this excitation is modified at finite chemical potential ($\mu$). We ...
[ { "created": "Sun, 2 Feb 2014 20:26:00 GMT", "version": "v1" }, { "created": "Tue, 13 May 2014 18:57:47 GMT", "version": "v2" } ]
2014-05-14
[ [ "Blaizot", "Jean-Paul", "" ], [ "Satow", "Daisuke", "" ] ]
It has been suggested previously that an ultra-soft fermionic excitation develops, albeit with a small spectral weight, in a system of massless fermions and scalar bosons with Yukawa interaction at high temperature ($T$). In this paper we study how this excitation is modified at finite chemical potential ($\mu$). We re...
hep-ph/9604218
Emilio Torrente
Emilio Torrente-Lujan
A Quasi-maximal mixing ansatz for neutrino oscillations
12 latex pages, 2 fig in 2 ps files (uuencoded). full ps avalaible at http://www-itp.unibe.ch/~torrente/pap6.ps In this revised version: some mistakes corrected, new subcases (quasi-maximal mixing e-\mu, e-\tau) studied
Phys.Lett. B389 (1996) 557-562
10.1016/S0370-2693(96)01295-6
butp-96
hep-ph
null
Inspired by the atmospheric multi-GeV neutrino data, we consider neutrino flavor mixing matrices which are maximal in a $2\times 2$ subsector. This condition is a strong restriction: the full matrix including complex phases depends essentially on one parameter. The survival probability is an universal function of $L/...
[ { "created": "Tue, 2 Apr 1996 14:21:56 GMT", "version": "v1" }, { "created": "Fri, 24 May 1996 13:57:56 GMT", "version": "v2" } ]
2009-10-28
[ [ "Torrente-Lujan", "Emilio", "" ] ]
Inspired by the atmospheric multi-GeV neutrino data, we consider neutrino flavor mixing matrices which are maximal in a $2\times 2$ subsector. This condition is a strong restriction: the full matrix including complex phases depends essentially on one parameter. The survival probability is an universal function of $L/E$...
1302.4469
Brandon Murakami
Brandon Murakami
SuperLFV: An SLHA tool for lepton flavor violating observables in supersymmetric models
26 pages, 1 figure. v2: referencing improved, corrections to some expressions, minor rewording for clarification
null
10.1016/j.cpc.2013.09.024
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We introduce SuperLFV, a numerical tool for calculating low-energy observables that exhibit charged lepton flavor violation (LFV) in the context of the minimal supersymmetric standard model (MSSM). As the Large Hadron Collider and MEG, a dedicated mu -> e gamma experiment, are presently acquiring data, there is need ...
[ { "created": "Mon, 18 Feb 2013 21:57:23 GMT", "version": "v1" }, { "created": "Thu, 21 Mar 2013 00:52:22 GMT", "version": "v2" } ]
2015-06-15
[ [ "Murakami", "Brandon", "" ] ]
We introduce SuperLFV, a numerical tool for calculating low-energy observables that exhibit charged lepton flavor violation (LFV) in the context of the minimal supersymmetric standard model (MSSM). As the Large Hadron Collider and MEG, a dedicated mu -> e gamma experiment, are presently acquiring data, there is need fo...
hep-ph/9707464
null
L. E. Gordon, (Argonne National Laboratory)
Prompt Photon Plus Jet Photoproduction at HERA at Next-to-Leading Order in QCD
Uses epsf
Phys.Rev. D57 (1998) 235-240
10.1103/PhysRevD.57.235
ANL-HEP-PR-97-42
hep-ph
null
The cross section for photoproduction of an isolated prompt photon in association with a jet is studied in Next-to-Leading Order. The kinematics are those appropriate for the DESY $ep$ collider HERA. The effects on the cross section of various experimental cuts including isolation cuts on the photon is examined. Comp...
[ { "created": "Fri, 25 Jul 1997 13:51:01 GMT", "version": "v1" } ]
2009-10-30
[ [ "Gordon", "L. E.", "" ] ]
The cross section for photoproduction of an isolated prompt photon in association with a jet is studied in Next-to-Leading Order. The kinematics are those appropriate for the DESY $ep$ collider HERA. The effects on the cross section of various experimental cuts including isolation cuts on the photon is examined. Compar...
0803.0686
Peter Landshoff
A. Donnachie and P. V. Landshoff
Successful description of exclusive vector meson electroproduction
8 pages, 6 figures
null
null
DAMTP-2008-3 MAN/HEP/2008/1
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Data for the differential cross sections for $\gamma^* p\to\rho^0 p$, $\gamma^* p \to \phi p$ and $\gamma^* p\to J/\psi p$, at all available values of $Q^2$, fit very well to a combination of soft pomeron, hard pomeron and $f_2$ exchange.
[ { "created": "Wed, 5 Mar 2008 15:27:19 GMT", "version": "v1" } ]
2008-03-06
[ [ "Donnachie", "A.", "" ], [ "Landshoff", "P. V.", "" ] ]
Data for the differential cross sections for $\gamma^* p\to\rho^0 p$, $\gamma^* p \to \phi p$ and $\gamma^* p\to J/\psi p$, at all available values of $Q^2$, fit very well to a combination of soft pomeron, hard pomeron and $f_2$ exchange.
1710.06459
Micola Bondarenco
M.V. Bondarenco
Next-to-leading order correction to the factorization limit of the radiation spectrum
5 pages
Phys. Rev. D 96 (2017) 076009
10.1103/PhysRevD.96.076009
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A next-to-leading order correction to the high-energy factorization limit of radiation spectrum from an ultrarelativistic electron scattering in an external field is evaluated. Generally, it does not express through scattering characteristics, and accounts for smoothness of the crossover between the initial and final...
[ { "created": "Tue, 17 Oct 2017 18:23:12 GMT", "version": "v1" } ]
2017-10-25
[ [ "Bondarenco", "M. V.", "" ] ]
A next-to-leading order correction to the high-energy factorization limit of radiation spectrum from an ultrarelativistic electron scattering in an external field is evaluated. Generally, it does not express through scattering characteristics, and accounts for smoothness of the crossover between the initial and final e...
1302.0722
David Greynat
David Greynat and Pere Masjuan
A new determination of the charm mass from the non-analytic reconstruction of the heavy quark correlator
Proceeding of the Xth Quark Confinement and the Hadron Spectrum, October 8-12, 2012
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the new non-analytic reconstruction method obtained from Mellin-Barnes properties, one can extract the value $m_c(\bar{\text{MS}}) = 1.12 \pm 0.08 \;\; \text{GeV}$ from experimental data of the radiation-corrected measured hadronic cross section to the calculated lowest-order cross section for muon pair product...
[ { "created": "Mon, 4 Feb 2013 15:34:07 GMT", "version": "v1" } ]
2013-02-08
[ [ "Greynat", "David", "" ], [ "Masjuan", "Pere", "" ] ]
Using the new non-analytic reconstruction method obtained from Mellin-Barnes properties, one can extract the value $m_c(\bar{\text{MS}}) = 1.12 \pm 0.08 \;\; \text{GeV}$ from experimental data of the radiation-corrected measured hadronic cross section to the calculated lowest-order cross section for muon pair productio...
0711.1613
David Emmanuel-Costa
G.C. Branco, D. Emmanuel-Costa, R. Gonzalez Felipe, H. Serodio
Weak Basis Transformations and Texture Zeros in the Leptonic Sector
18 pages, 6 figures; a few comments added and the full complex case for all classes is now presented; final version to appear in Phys. Lett. B
Phys.Lett.B670:340-349,2009
10.1016/j.physletb.2008.10.059
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the physical meaning of some of the texture zeros which appear in most of the Ansatze on leptonic masses and their mixing. It is shown that starting from arbitrary lepton mass matrices and making suitable weak basis transformations one can obtain some of these sets of zeros, which therefore have no phy...
[ { "created": "Mon, 12 Nov 2007 19:58:50 GMT", "version": "v1" }, { "created": "Tue, 28 Oct 2008 15:14:38 GMT", "version": "v2" } ]
2009-01-16
[ [ "Branco", "G. C.", "" ], [ "Emmanuel-Costa", "D.", "" ], [ "Felipe", "R. Gonzalez", "" ], [ "Serodio", "H.", "" ] ]
We investigate the physical meaning of some of the texture zeros which appear in most of the Ansatze on leptonic masses and their mixing. It is shown that starting from arbitrary lepton mass matrices and making suitable weak basis transformations one can obtain some of these sets of zeros, which therefore have no physi...
0910.3077
Alexander Bakulev P.
Alexander P. Bakulev, A. V. Pimikov, N. G. Stefanis
Pion Form Factor in QCD Sum Rules with Nonlocal Condensates and in the Local-Duality Approach
10 pages, 3 figures, talk presented by the first author at Workshop "Recent Advances in Perturbative QCD and Hadronic Physics", 20--25 July 2009, ECT*, Trento (Italy), in Honor of Prof. Anatoly Efremov's 75th Birthday Celebration
Mod.Phys.Lett.A24:2848-2857,2009
10.1142/S0217732309001066
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the QCD sum-rule approach for the spacelike electromagnetic pion form factor in the $O(\alpha_s)$ approximation. We show that the nonlocality of the condensates is a key point to include nonperturbative contributions to the pion form factor. We compare our results with the Local-Duality predictions and sho...
[ { "created": "Fri, 16 Oct 2009 10:59:58 GMT", "version": "v1" } ]
2010-02-18
[ [ "Bakulev", "Alexander P.", "" ], [ "Pimikov", "A. V.", "" ], [ "Stefanis", "N. G.", "" ] ]
We discuss the QCD sum-rule approach for the spacelike electromagnetic pion form factor in the $O(\alpha_s)$ approximation. We show that the nonlocality of the condensates is a key point to include nonperturbative contributions to the pion form factor. We compare our results with the Local-Duality predictions and show ...
1502.07352
Veronica Sanz
Martin Gorbahn, Jose Miguel No and Veronica Sanz
Benchmarks for Higgs Effective Theory: Extended Higgs Sectors
48 pages, 10 figures. Version published in JHEP
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Precise measurements of SM particles properties at the LHC allows to look for heavy New Physics in the context of an Effective Field Theory (EFT). These searches, however, often rely on kinematic regions where the validity of the EFT may be compromised. In this paper we propose to address this issue by comparing with...
[ { "created": "Wed, 25 Feb 2015 21:00:12 GMT", "version": "v1" }, { "created": "Tue, 15 Sep 2015 08:18:09 GMT", "version": "v2" } ]
2015-09-16
[ [ "Gorbahn", "Martin", "" ], [ "No", "Jose Miguel", "" ], [ "Sanz", "Veronica", "" ] ]
Precise measurements of SM particles properties at the LHC allows to look for heavy New Physics in the context of an Effective Field Theory (EFT). These searches, however, often rely on kinematic regions where the validity of the EFT may be compromised. In this paper we propose to address this issue by comparing with b...
0912.3368
Orestis Efthimiou
O. Efthimiou, K. Tamvakis
Inflation with the right-handed sneutrino revisited
9 pages, 3 figures
Phys.Lett.B685:235-238,2010
10.1016/j.physletb.2010.02.001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider an extension of nuMSSM with an extra U(1) that realizes D-term inflation driven by the right-handed sneutrino. Non-renormalizable terms in the Kahler potential and the superpotential are considered, the latter controlled by a suitable discrete R-symmetry. We find that, for subplanckian inflaton values, th...
[ { "created": "Thu, 17 Dec 2009 11:07:29 GMT", "version": "v1" } ]
2014-11-20
[ [ "Efthimiou", "O.", "" ], [ "Tamvakis", "K.", "" ] ]
We consider an extension of nuMSSM with an extra U(1) that realizes D-term inflation driven by the right-handed sneutrino. Non-renormalizable terms in the Kahler potential and the superpotential are considered, the latter controlled by a suitable discrete R-symmetry. We find that, for subplanckian inflaton values, the ...
1001.2555
Yusuke Nishida
Yusuke Nishida
Is a color superconductor topological?
13 pages, 2 figures; (v2) added a new Sec.V on boundary problems; (v3) published version
Phys.Rev.D81:074004,2010
10.1103/PhysRevD.81.074004
MIT-CTP 4103
hep-ph cond-mat.supr-con hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A fully gapped state of matter, whether insulator or superconductor, can be asked if it is topologically trivial or nontrivial. Here we investigate topological properties of superconducting Dirac fermions in 3D having a color superconductor as an application. In the chiral limit, when the pairing gap is parity even, ...
[ { "created": "Thu, 14 Jan 2010 20:43:11 GMT", "version": "v1" }, { "created": "Mon, 18 Jan 2010 22:13:07 GMT", "version": "v2" }, { "created": "Mon, 5 Apr 2010 19:50:15 GMT", "version": "v3" } ]
2010-04-14
[ [ "Nishida", "Yusuke", "" ] ]
A fully gapped state of matter, whether insulator or superconductor, can be asked if it is topologically trivial or nontrivial. Here we investigate topological properties of superconducting Dirac fermions in 3D having a color superconductor as an application. In the chiral limit, when the pairing gap is parity even, th...
hep-ph/0208087
Luca Silvestrini
M. Ciuchini, L. Silvestrini
Direct CP Violation in B->phi K_s and New Physics
3 pages
Phys.Rev.Lett. 89 (2002) 231802
10.1103/PhysRevLett.89.231802
null
hep-ph
null
In the presence of large New Physics contributions to loop-induced b->s transitions, sizable direct CP violation in B-> phi K decays is expected on general grounds. We compute explicitly CP-violating effects using QCD factorization and find that, even in the restricted case in which New Physics has the same penguin s...
[ { "created": "Fri, 9 Aug 2002 10:15:30 GMT", "version": "v1" } ]
2009-11-07
[ [ "Ciuchini", "M.", "" ], [ "Silvestrini", "L.", "" ] ]
In the presence of large New Physics contributions to loop-induced b->s transitions, sizable direct CP violation in B-> phi K decays is expected on general grounds. We compute explicitly CP-violating effects using QCD factorization and find that, even in the restricted case in which New Physics has the same penguin str...
hep-ph/9908482
Konstantin Matchev
Konstantin T. Matchev (Fermilab) and Scott Thomas (Stanford U., Phys. Dept.)
Higgs and Z-boson Signatures of Supersymmetry
11 pages, LaTeX, 3 figures
Phys.Rev.D62:077702,2000
10.1103/PhysRevD.62.077702
FERMILAB-PUB-99/140-T, SU-ITP-99-35
hep-ph hep-ex
null
In supersymmetric theories of nature the Higgsino fermionic superpartner of the Higgs boson can arise as the lightest standard model superpartner depending on the couplings between the Higgs and supersymmetry breaking sectors. In this letter the production and decay of Higgsino pairs to the Goldstone fermion of super...
[ { "created": "Thu, 26 Aug 1999 23:11:04 GMT", "version": "v1" } ]
2009-10-09
[ [ "Matchev", "Konstantin T.", "", "Fermilab" ], [ "Thomas", "Scott", "", "Stanford U., Phys.\n Dept." ] ]
In supersymmetric theories of nature the Higgsino fermionic superpartner of the Higgs boson can arise as the lightest standard model superpartner depending on the couplings between the Higgs and supersymmetry breaking sectors. In this letter the production and decay of Higgsino pairs to the Goldstone fermion of supersy...
2407.03174
Nityasa Mishra
Kevin J. Kelly, Nityasa Mishra, Mudit Rai, Louis E. Strigari
$\nu_\mu$ and $\nu_\tau$ elastic scattering in Borexino
12 pages, 5 figures
null
null
MI-HET-836
hep-ph astro-ph.SR hep-ex
http://creativecommons.org/licenses/by/4.0/
We perform a detailed study of neutrino-electron elastic scattering using the mono-energetic $^{7}$Be neutrinos in Borexino, with an emphasis on exploring the differences between the contributions of $\nu_e$, $\nu_\mu$, and $\nu_\tau$. We find that current data are capable of measuring these components such that the ...
[ { "created": "Wed, 3 Jul 2024 14:50:03 GMT", "version": "v1" } ]
2024-07-04
[ [ "Kelly", "Kevin J.", "" ], [ "Mishra", "Nityasa", "" ], [ "Rai", "Mudit", "" ], [ "Strigari", "Louis E.", "" ] ]
We perform a detailed study of neutrino-electron elastic scattering using the mono-energetic $^{7}$Be neutrinos in Borexino, with an emphasis on exploring the differences between the contributions of $\nu_e$, $\nu_\mu$, and $\nu_\tau$. We find that current data are capable of measuring these components such that the co...
2211.15380
Jesse Cresswell
Jesse C. Cresswell, Brendan Leigh Ross, Gabriel Loaiza-Ganem, Humberto Reyes-Gonzalez, Marco Letizia, Anthony L. Caterini
CaloMan: Fast generation of calorimeter showers with density estimation on learned manifolds
Accepted to the Machine Learning and the Physical Sciences Workshop at NeurIPS 2022
null
null
null
hep-ph cs.LG hep-ex physics.data-an physics.ins-det
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Precision measurements and new physics searches at the Large Hadron Collider require efficient simulations of particle propagation and interactions within the detectors. The most computationally expensive simulations involve calorimeter showers. Advances in deep generative modelling - particularly in the realm of hig...
[ { "created": "Wed, 23 Nov 2022 19:00:03 GMT", "version": "v1" } ]
2022-11-29
[ [ "Cresswell", "Jesse C.", "" ], [ "Ross", "Brendan Leigh", "" ], [ "Loaiza-Ganem", "Gabriel", "" ], [ "Reyes-Gonzalez", "Humberto", "" ], [ "Letizia", "Marco", "" ], [ "Caterini", "Anthony L.", "" ] ]
Precision measurements and new physics searches at the Large Hadron Collider require efficient simulations of particle propagation and interactions within the detectors. The most computationally expensive simulations involve calorimeter showers. Advances in deep generative modelling - particularly in the realm of high-...
1105.1761
Samuel Wallon
I.V.Anikin, A.Besse, D.Yu.Ivanov, B.Pire, L.Szymanowski and S.Wallon
A phenomenological study of helicity amplitudes of high energy exclusive leptoproduction of the rho meson
20 pages, 11 figures, published version in PRD
Phys.Rev.D84:054004,2011
10.1103/PhysRevD.84.054004
CPHT RR009.0311, LPT 11-26
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We apply a previously developed scheme to consistently include the twist-3 distribution amplitudes for transversely polarized rho meson in order to evaluate, in the framework of kT factorization, the helicity amplitudes for exclusive leptoproduction of a light vector meson, at leading order in alphaS. We compare our ...
[ { "created": "Mon, 9 May 2011 19:38:52 GMT", "version": "v1" }, { "created": "Tue, 13 Sep 2011 17:25:44 GMT", "version": "v2" } ]
2011-09-28
[ [ "Anikin", "I. V.", "" ], [ "Besse", "A.", "" ], [ "Ivanov", "D. Yu.", "" ], [ "Pire", "B.", "" ], [ "Szymanowski", "L.", "" ], [ "Wallon", "S.", "" ] ]
We apply a previously developed scheme to consistently include the twist-3 distribution amplitudes for transversely polarized rho meson in order to evaluate, in the framework of kT factorization, the helicity amplitudes for exclusive leptoproduction of a light vector meson, at leading order in alphaS. We compare our re...
1710.02806
Kazem Azizi
K. Azizi, N. Er
X(3872): propagating in a dense medium
11 Pages, 3 Figures and 1 Table. A typo was corrected
null
10.1016/j.nuclphysb.2018.09.014
null
hep-ph hep-ex hep-lat nucl-th
http://creativecommons.org/licenses/by/4.0/
In cold nuclear matter, the shifts in the mass and current-meson coupling as well the vector self energy of the exotic $X(3872)$ are calculated using the diquark-antidiquark current within the framework of the in-medium two-point QCD sum rule. At the rest frame of the medium, the three momentum of the considered part...
[ { "created": "Sun, 8 Oct 2017 08:55:35 GMT", "version": "v1" }, { "created": "Fri, 21 Sep 2018 07:23:23 GMT", "version": "v2" }, { "created": "Wed, 8 Mar 2023 10:13:05 GMT", "version": "v3" } ]
2023-03-09
[ [ "Azizi", "K.", "" ], [ "Er", "N.", "" ] ]
In cold nuclear matter, the shifts in the mass and current-meson coupling as well the vector self energy of the exotic $X(3872)$ are calculated using the diquark-antidiquark current within the framework of the in-medium two-point QCD sum rule. At the rest frame of the medium, the three momentum of the considered partic...
hep-ph/0203026
Florian Scheck
Silke Falk (Johannes Gutenberg University, Mainz), Rainer Hausling (Johannes Gutenberg University, Mainz), and Florian Scheck (Johannes Gutenberg University, Mainz)
Sweeping the Space of Admissible Quark Mass Matrices
18 pages
Phys.Rev. D65 (2002) 093011
10.1103/PhysRevD.65.093011
null
hep-ph
null
We propose a new and efficient method of reconstructing quark mass matrices from their eigenvalues and a complete set of mixing observables. By a combination of the principle of NNI (nearest neighbour interaction) bases which are known to cover the general case, and of the polar decomposition theorem that allows to c...
[ { "created": "Mon, 4 Mar 2002 09:35:45 GMT", "version": "v1" }, { "created": "Thu, 25 Apr 2002 11:37:22 GMT", "version": "v2" } ]
2009-11-07
[ [ "Falk", "Silke", "", "Johannes Gutenberg University, Mainz" ], [ "Hausling", "Rainer", "", "Johannes Gutenberg University, Mainz" ], [ "Scheck", "Florian", "", "Johannes\n Gutenberg University, Mainz" ] ]
We propose a new and efficient method of reconstructing quark mass matrices from their eigenvalues and a complete set of mixing observables. By a combination of the principle of NNI (nearest neighbour interaction) bases which are known to cover the general case, and of the polar decomposition theorem that allows to con...
hep-ph/0603102
Ezequiel Alvarez
Ezequiel Alvarez
CP, T and CPT analyses in EPR - correlated $ B^0 \bar B ^0 $ decays
Phd Thesis (110p), presented in University of Valencia, March 9th, 2006
null
null
null
hep-ph
null
In this work we study the T, CP and CPT symmetries in the B-meson system. Our analysis and results are addressed to the case of correlated mesons in the B-factories. In the first set of theory and results we investigate the consequences of these discrete symmetries in the B-mixing and interference between mixing an...
[ { "created": "Tue, 14 Mar 2006 10:48:22 GMT", "version": "v1" } ]
2007-05-23
[ [ "Alvarez", "Ezequiel", "" ] ]
In this work we study the T, CP and CPT symmetries in the B-meson system. Our analysis and results are addressed to the case of correlated mesons in the B-factories. In the first set of theory and results we investigate the consequences of these discrete symmetries in the B-mixing and interference between mixing and de...
hep-ph/9403342
Johannes Bluemlein
Johannes Bl\"umlein
${\cal O}(\alpha^2 L^2)$ radiative corrections to deep inelastic $ep$ scattering for different kinematical variables
13 pages LATEX + (7 figures eps,ps - uuencoded, appended), DESY 94-044
Z.Phys. C65 (1995) 293-298
10.1007/BF01571886
null
hep-ph
null
The QED radiative corrections are calculated in the leading log approximation up to ${\cal O}(\alpha^2)$ for different definitions of the kinematical variables using jet measurement, the 'mixed' variables, the double angle method, and a measurement based on $\theta_e$ and $y_{JB}$. Higher order contributions due to e...
[ { "created": "Tue, 22 Mar 1994 18:48:24 GMT", "version": "v1" } ]
2009-10-28
[ [ "Blümlein", "Johannes", "" ] ]
The QED radiative corrections are calculated in the leading log approximation up to ${\cal O}(\alpha^2)$ for different definitions of the kinematical variables using jet measurement, the 'mixed' variables, the double angle method, and a measurement based on $\theta_e$ and $y_{JB}$. Higher order contributions due to exp...
1708.05675
Arghya Choudhury
Arghya Choudhury, Soumya Rao and Leszek Roszkowski
Impact of LHC data on muon $g-2$ solutions in vector-like extension of the Constrained MSSM
20 pages, 8 figures, References added
Phys. Rev. D 96, 075046 (2017)
10.1103/PhysRevD.96.075046
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The long-standing discrepancy between the experimental determination by the Muon $g-2$ Collaboration at Brookhaven and the Standard Model predictions for the anomalous magnetic moment of the muon cannot be explained within simple unified framework like the Constrained Minimal Supersymmetric Standard Model, but it can...
[ { "created": "Fri, 18 Aug 2017 16:07:19 GMT", "version": "v1" }, { "created": "Mon, 28 Aug 2017 13:03:15 GMT", "version": "v2" } ]
2017-11-08
[ [ "Choudhury", "Arghya", "" ], [ "Rao", "Soumya", "" ], [ "Roszkowski", "Leszek", "" ] ]
The long-standing discrepancy between the experimental determination by the Muon $g-2$ Collaboration at Brookhaven and the Standard Model predictions for the anomalous magnetic moment of the muon cannot be explained within simple unified framework like the Constrained Minimal Supersymmetric Standard Model, but it can w...
1402.4071
Thomas A. Trainor
Thomas A. Trainor
Can minimum-bias distributions on transverse energy test hadron production models?
24 pages, 14 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A recent study reports measurements of transverse-energy $E_t$ distributions at mid-rapidity for several high-energy nuclear collision systems. The $E_t$ data are analyzed in the context of constituent-quark (CQ) participants estimated with a Glauber-model simulation. The study concludes that systematic variations of...
[ { "created": "Mon, 17 Feb 2014 17:18:27 GMT", "version": "v1" }, { "created": "Tue, 18 Feb 2014 18:09:00 GMT", "version": "v2" } ]
2014-02-19
[ [ "Trainor", "Thomas A.", "" ] ]
A recent study reports measurements of transverse-energy $E_t$ distributions at mid-rapidity for several high-energy nuclear collision systems. The $E_t$ data are analyzed in the context of constituent-quark (CQ) participants estimated with a Glauber-model simulation. The study concludes that systematic variations of h...
2003.05857
Kazuki Enomoto
Arindam Das, Kazuki Enomoto, Shinya Kanemura, Kei Yagyu
Radiative generation of neutrino masses in a 3-3-1 type model
35 pages, 8 figures, 4 tables; Version published in Phys. Rev. D
Phys. Rev. D 101, 095007 (2020)
10.1103/PhysRevD.101.095007
OU-HET-1046
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A new model for tiny neutrino masses is proposed in the gauge theory of $SU(3)_C \otimes SU(3)_L \otimes U(1)_X$, where neutrino masses are generated via the quantum effect of new particles. In this model, the fermion content is taken to be minimal to realize the gauge anomaly cancellation, while the scalar sector is...
[ { "created": "Thu, 12 Mar 2020 15:47:42 GMT", "version": "v1" }, { "created": "Thu, 14 May 2020 01:52:15 GMT", "version": "v2" } ]
2020-05-15
[ [ "Das", "Arindam", "" ], [ "Enomoto", "Kazuki", "" ], [ "Kanemura", "Shinya", "" ], [ "Yagyu", "Kei", "" ] ]
A new model for tiny neutrino masses is proposed in the gauge theory of $SU(3)_C \otimes SU(3)_L \otimes U(1)_X$, where neutrino masses are generated via the quantum effect of new particles. In this model, the fermion content is taken to be minimal to realize the gauge anomaly cancellation, while the scalar sector is e...
1407.0383
Yan-Qing Ma
Yan-Qing Ma, Jian-Wei Qiu, George Sterman, Hong Zhang
Factorized power expansion for high-$p_T$ heavy quarkonium production
5 pages, 3 figures, version published in Physical Review Letters
Phys. Rev. Lett. 113, 142002 (2014)
10.1103/PhysRevLett.113.142002
YITP-SB-14-19
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We show that when the factorized cross section for heavy quarkonium production includes next-to-leading power (NLP) contributions associated with the production of the heavy quark pair at short distances, it naturally reproduces all high $p_T$ results calculated in non-relativistic QCD (NRQCD) factorization. This ext...
[ { "created": "Tue, 1 Jul 2014 19:53:58 GMT", "version": "v1" }, { "created": "Sat, 11 Oct 2014 04:08:43 GMT", "version": "v2" } ]
2014-10-14
[ [ "Ma", "Yan-Qing", "" ], [ "Qiu", "Jian-Wei", "" ], [ "Sterman", "George", "" ], [ "Zhang", "Hong", "" ] ]
We show that when the factorized cross section for heavy quarkonium production includes next-to-leading power (NLP) contributions associated with the production of the heavy quark pair at short distances, it naturally reproduces all high $p_T$ results calculated in non-relativistic QCD (NRQCD) factorization. This exten...
2110.10268
Hong-Fei Zhang
Hong-Fei Zhang, Xue-Mei Mo
Kinematic distributions of the $\eta_c$ leptoproduction in association with light hadrons
null
null
10.1007/JHEP12(2021)168
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The $\eta_c$ meson leptoproduction is calculated within the nonrelativistic QCD framework for the first time. It is found that the colour-singlet channel, although suppressed by a factor of $\alpha_s$ relative to the colour-octet ones, provides the most important contribution for almost all the experimental condition...
[ { "created": "Tue, 19 Oct 2021 21:29:12 GMT", "version": "v1" } ]
2022-01-05
[ [ "Zhang", "Hong-Fei", "" ], [ "Mo", "Xue-Mei", "" ] ]
The $\eta_c$ meson leptoproduction is calculated within the nonrelativistic QCD framework for the first time. It is found that the colour-singlet channel, although suppressed by a factor of $\alpha_s$ relative to the colour-octet ones, provides the most important contribution for almost all the experimental conditions,...
0911.3890
P. Q. Hung
P. Q. Hung and Chi Xiong
Renormalization Group Fixed Point with a Fourth Generation: Higgs-induced Bound States and Condensates
22 pages, 10 figures
Nucl.Phys.B847:160-178,2011
10.1016/j.nuclphysb.2011.01.025
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the Standard Model with four generations, the two-loop renormalization group equations for the Higgs quartic and Yukawa couplings have a fixed point structure. If the masses of the fourth family are sufficiently heavy, it will contain a natural scale $\Lambda_{FP}$ in the range of a few TeV to the order of $10^2$ ...
[ { "created": "Thu, 19 Nov 2009 20:49:39 GMT", "version": "v1" }, { "created": "Thu, 19 Nov 2009 21:00:56 GMT", "version": "v2" }, { "created": "Wed, 23 Feb 2011 17:10:02 GMT", "version": "v3" } ]
2011-03-03
[ [ "Hung", "P. Q.", "" ], [ "Xiong", "Chi", "" ] ]
In the Standard Model with four generations, the two-loop renormalization group equations for the Higgs quartic and Yukawa couplings have a fixed point structure. If the masses of the fourth family are sufficiently heavy, it will contain a natural scale $\Lambda_{FP}$ in the range of a few TeV to the order of $10^2$ Te...
1010.4254
Carina Popovici
C. Popovici, P. Watson and H. Reinhardt
Three-quark confinement potential from the Faddeev equation
9 pages, 1 figure
Phys.Rev.D83:025013,2011
10.1103/PhysRevD.83.025013
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the heavy quark limit of Coulomb gauge QCD and by truncating the Yang-Mills sector to include only dressed two-point functions, an analytic nonperturbative solution to the Faddeev equation for three-quark bound states in the case of equal quark separations is presented. A direct connection between the temporal glu...
[ { "created": "Wed, 20 Oct 2010 17:24:53 GMT", "version": "v1" } ]
2011-02-02
[ [ "Popovici", "C.", "" ], [ "Watson", "P.", "" ], [ "Reinhardt", "H.", "" ] ]
In the heavy quark limit of Coulomb gauge QCD and by truncating the Yang-Mills sector to include only dressed two-point functions, an analytic nonperturbative solution to the Faddeev equation for three-quark bound states in the case of equal quark separations is presented. A direct connection between the temporal gluon...
2407.21471
Viktoriia Ermolina
Viktoriia Ermolina, Igor Danilkin, Marc Vanderhaeghen
Pion polarizabilities from a dispersive analysis of $\gamma\gamma \to \pi\pi$
6 pages, 1 figure. Proceedings contribution to MENU2023 conference
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We present results for the charged and neutral pion polarizabilities, obtained through a dispersive analysis of photon-fusion reactions with two pions in the final state. This analysis is motivated by current and future measurements at COMPASS, JLab (Hall D), and the BESIII measurement of single-virtual photon-fusion...
[ { "created": "Wed, 31 Jul 2024 09:30:27 GMT", "version": "v1" } ]
2024-08-01
[ [ "Ermolina", "Viktoriia", "" ], [ "Danilkin", "Igor", "" ], [ "Vanderhaeghen", "Marc", "" ] ]
We present results for the charged and neutral pion polarizabilities, obtained through a dispersive analysis of photon-fusion reactions with two pions in the final state. This analysis is motivated by current and future measurements at COMPASS, JLab (Hall D), and the BESIII measurement of single-virtual photon-fusion r...
hep-ph/0007092
U. Meissner
Ulf-G. Mei{\ss}ner
Chiral QCD: Baryon dynamics
89 pp, uses epsf, psfig, sprocl.sty, essay for the Festschrift in honor of Boris Ioffe, to appear in the ``Encyclopedia of Analytic QCD,'' edited by M. Shifman, to be published by World Scientific
null
10.1142/9789812810458_0015
null
hep-ph
null
I review the consequences of the chiral symmetry of QCD for the structure and dynamics of the low-lying baryons, with particular emphasis on the nucleon.
[ { "created": "Tue, 11 Jul 2000 08:16:04 GMT", "version": "v1" } ]
2016-11-23
[ [ "Meißner", "Ulf-G.", "" ] ]
I review the consequences of the chiral symmetry of QCD for the structure and dynamics of the low-lying baryons, with particular emphasis on the nucleon.
hep-ph/0102065
Manuel Masip
F. Cornet, J.I. Illana and M. Masip
TeV Strings and the Neutrino-Nucleon Cross Section at Ultra-high Energies
10 pages, 1 figure, version to appear in PRL
Phys.Rev.Lett. 86 (2001) 4235-4238
10.1103/PhysRevLett.86.4235
UG-FT-127/01
hep-ph astro-ph hep-th
null
In scenarios with the fundamental unification scale at the TeV one expects string excitations of the standard model fields at accessible energies. We study the neutrino-nucleon cross section in these models. We show that duality of the scattering amplitude forces the existence of a tower of massive leptoquarks that m...
[ { "created": "Tue, 6 Feb 2001 17:13:27 GMT", "version": "v1" }, { "created": "Tue, 20 Feb 2001 11:30:15 GMT", "version": "v2" }, { "created": "Tue, 3 Apr 2001 13:16:20 GMT", "version": "v3" } ]
2016-09-06
[ [ "Cornet", "F.", "" ], [ "Illana", "J. I.", "" ], [ "Masip", "M.", "" ] ]
In scenarios with the fundamental unification scale at the TeV one expects string excitations of the standard model fields at accessible energies. We study the neutrino-nucleon cross section in these models. We show that duality of the scattering amplitude forces the existence of a tower of massive leptoquarks that med...
0902.2400
Kaustubh Agashe
Kaustubh Agashe (University of Maryland)
Relaxing Constraints from Lepton Flavor Violation in 5D Flavorful Theories
33 pages, 2 figures: references added, other minor changes
Phys.Rev.D80:115020,2009
10.1103/PhysRevD.80.115020
UMD-PP-09-030
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We propose new mechanisms for ameliorating the constraints on the Kaluza-Klein (KK) mass scale from charged lepton flavor violation in the framework of the Standard Model (SM) fields propagating in a warped extra dimension, especially in models accounting for neutrino data. These mechanisms utilize the extended five-...
[ { "created": "Mon, 16 Feb 2009 03:14:33 GMT", "version": "v1" }, { "created": "Fri, 17 Jul 2009 21:22:14 GMT", "version": "v2" } ]
2010-04-21
[ [ "Agashe", "Kaustubh", "", "University of Maryland" ] ]
We propose new mechanisms for ameliorating the constraints on the Kaluza-Klein (KK) mass scale from charged lepton flavor violation in the framework of the Standard Model (SM) fields propagating in a warped extra dimension, especially in models accounting for neutrino data. These mechanisms utilize the extended five-di...
hep-ph/9311379
Bill Kilgore
William B. Kilgore
Anomalous Condensates and the Equivalence Theorem
14 Pages (Plain TeX + Harvmac), 2 uuencoded PostScript figures appended (figures also available by mail or fax), LBL-34900
Phys.Lett. B323 (1994) 161-168
10.1016/0370-2693(94)90285-2
null
hep-ph
null
A recently published report has called into question the validity of the equivalence theorem in dynamically broken gauge theories in which the fermions making up the symmetry breaking condensate lie in an anomalous representation of the broken gauge group. Such a situation can occur if the gauge anomaly is cancelled ...
[ { "created": "Tue, 30 Nov 1993 22:49:48 GMT", "version": "v1" } ]
2009-10-22
[ [ "Kilgore", "William B.", "" ] ]
A recently published report has called into question the validity of the equivalence theorem in dynamically broken gauge theories in which the fermions making up the symmetry breaking condensate lie in an anomalous representation of the broken gauge group. Such a situation can occur if the gauge anomaly is cancelled by...