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hep-ph/0007242
Gautam Bhattacharyya
Gautam Bhattacharyya, Darwin Chang, Chung-Hsien Chou, Wai-Yee Keung
Large CP violation in radiative B decays in supersymmetry without R-parity
9 pages, Latex, requires axodraw.sty; in v2 two more PS figs included and more discussion on how our prediction of large CP asymmetry is consistent with the constraints from b \to s \gamma rate
Phys.Lett.B493:113-119,2000
10.1016/S0370-2693(00)01141-2
SINP/TNP/00-21
hep-ph
null
We demonstrate that the R-parity breaking interactions within their current experimental upper bounds can give rise to large mixing-induced CP asymmetry in exclusive radiative B decays that may be detectable in the upcoming B factories.
[ { "created": "Fri, 21 Jul 2000 16:09:46 GMT", "version": "v1" }, { "created": "Wed, 13 Sep 2000 09:33:51 GMT", "version": "v2" } ]
2009-09-01
[ [ "Bhattacharyya", "Gautam", "" ], [ "Chang", "Darwin", "" ], [ "Chou", "Chung-Hsien", "" ], [ "Keung", "Wai-Yee", "" ] ]
We demonstrate that the R-parity breaking interactions within their current experimental upper bounds can give rise to large mixing-induced CP asymmetry in exclusive radiative B decays that may be detectable in the upcoming B factories.
hep-ph/9308231
Tilo Wettig
T. Wettig and A.D. Jackson
Factorial Moments in a Generalized Lattice Gas Model
15 pages + 1 figure (appended as postscript file), REVTEX 3.0, NORDITA preprint 93/49
Phys.Rev. D49 (1994) 157-169
10.1103/PhysRevD.49.157
null
hep-ph nucl-th
null
We construct a simple multicomponent lattice gas model in one dimension in which each site can either be empty or occupied by at most one particle of any one of $D$ species. Particles interact with a nearest neighbor interaction which depends on the species involved. This model is capable of reproducing the relations...
[ { "created": "Thu, 5 Aug 1993 13:17:58 GMT", "version": "v1" } ]
2009-10-22
[ [ "Wettig", "T.", "" ], [ "Jackson", "A. D.", "" ] ]
We construct a simple multicomponent lattice gas model in one dimension in which each site can either be empty or occupied by at most one particle of any one of $D$ species. Particles interact with a nearest neighbor interaction which depends on the species involved. This model is capable of reproducing the relations b...
1409.8165
Pavel Fileviez Perez
Michael Duerr, Pavel Fileviez Perez
Theory for Baryon Number and Dark Matter at the LHC
30 pages, 9 figures, typos corrected, new appendix, version to appear in PRD
Physical Review D 91, 095001 (2015)
10.1103/PhysRevD.91.095001
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the possibility to test the simplest theory for spontaneous baryon number violation at the Large Hadron Collider. In this context the baryon number is a local gauge symmetry spontaneously broken at the low scale through the Brout-Englert-Higgs mechanism. This theory predicts the existence of a leptopho...
[ { "created": "Mon, 29 Sep 2014 16:05:25 GMT", "version": "v1" }, { "created": "Mon, 20 Apr 2015 13:18:00 GMT", "version": "v2" } ]
2015-05-05
[ [ "Duerr", "Michael", "" ], [ "Perez", "Pavel Fileviez", "" ] ]
We investigate the possibility to test the simplest theory for spontaneous baryon number violation at the Large Hadron Collider. In this context the baryon number is a local gauge symmetry spontaneously broken at the low scale through the Brout-Englert-Higgs mechanism. This theory predicts the existence of a leptophobi...
1010.5976
Scientific Information Service Cern
C. Grojean and M. Spiropulu
Proceedings of the 2009 CERN-Latin-American School of High-Energy Physics, Recinto Quirama, Colombia, 15 - 28 March 2009
10 lectures, 560 pages, published as CERN Yellow Report http://cdsweb.cern.ch/record/1119305
null
null
CERN-2010-001
hep-ph
http://creativecommons.org/licenses/by/3.0/
The CERN-Latin-American School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lectures on quantum field theory, quantum chromodynamics, physics beyond the Standard Model, neutrino physi...
[ { "created": "Thu, 28 Oct 2010 14:09:42 GMT", "version": "v1" } ]
2010-10-29
[ [ "Grojean", "C.", "" ], [ "Spiropulu", "M.", "" ] ]
The CERN-Latin-American School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lectures on quantum field theory, quantum chromodynamics, physics beyond the Standard Model, neutrino physics...
hep-ph/0410158
Fuminobu Takahashi
Masahiro Kawasaki, Fuminobu Takahashi
Late-time entropy production due to the decay of domain walls
5 pages, no figure; a few explanatory comments are added, conclusion unchanged
Phys.Lett. B618 (2005) 1-6
10.1016/j.physletb.2005.05.022
null
hep-ph astro-ph hep-th
null
It is shown that late-time decay of domain walls can dilute unwanted relics such as moduli, if the universe was dominated by frustrated domain walls with tension $\sigma = (1 - 100 TeV)^3$. Since energy density of the frustrated domain walls decreases as slow as the inverse of the scale factor, an overclosure limit o...
[ { "created": "Tue, 12 Oct 2004 04:33:57 GMT", "version": "v1" }, { "created": "Thu, 27 Jan 2005 06:28:02 GMT", "version": "v2" } ]
2009-11-10
[ [ "Kawasaki", "Masahiro", "" ], [ "Takahashi", "Fuminobu", "" ] ]
It is shown that late-time decay of domain walls can dilute unwanted relics such as moduli, if the universe was dominated by frustrated domain walls with tension $\sigma = (1 - 100 TeV)^3$. Since energy density of the frustrated domain walls decreases as slow as the inverse of the scale factor, an overclosure limit on ...
1711.00893
Richard Hill
Richard J. Hill and Gil Paz
Reply to Comment [arXiv:1708.09341] by Birse and McGovern on "Nucleon spin-averaged forward virtual Compton tensor at large $Q^2$"
3 pages
null
null
FERMILAB-PUB-17-501-T, WSU-HEP-1713
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We reply to misleading claims made in a comment to our work by Birse and McGovern in arXiv:1708.09341.
[ { "created": "Thu, 2 Nov 2017 19:12:03 GMT", "version": "v1" } ]
2017-11-06
[ [ "Hill", "Richard J.", "" ], [ "Paz", "Gil", "" ] ]
We reply to misleading claims made in a comment to our work by Birse and McGovern in arXiv:1708.09341.
2112.07294
Ewa Gladysz-Dziadus
Ewa G{\l}adysz-Dziadu\'s
Are multimodal events a sign of the strangelet passage through the matter?
25 pages, 17 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by-sa/4.0/
A possible connection between the multimodal events (MME) observed in the very high energy extensive air showers by the HORIZON-T experiment and the so-called strongly penetrating component observed in the homogenous lead emulsion chambers of the Pamir and Chacaltaya Experiments was studied. We found that both experi...
[ { "created": "Tue, 14 Dec 2021 10:54:31 GMT", "version": "v1" }, { "created": "Fri, 17 Dec 2021 12:39:04 GMT", "version": "v2" } ]
2021-12-20
[ [ "Gładysz-Dziaduś", "Ewa", "" ] ]
A possible connection between the multimodal events (MME) observed in the very high energy extensive air showers by the HORIZON-T experiment and the so-called strongly penetrating component observed in the homogenous lead emulsion chambers of the Pamir and Chacaltaya Experiments was studied. We found that both experime...
1509.00481
Andreas Trautner
Mu-Chun Chen, Michael Ratz, Andreas Trautner
Non-thermal cosmic neutrino background
6 pages, 2 figures
Phys. Rev. D 92, 123006 (2015)
10.1103/PhysRevD.92.123006
UCI-TR-2015-13, TUM-HEP 1009/15, FLAVOR-EU 106
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We point out that, for Dirac neutrinos, in addition to the standard thermal cosmic neutrino background (C$\nu$B) there could also exist a non-thermal neutrino background with comparable number density. As the right-handed components are essentially decoupled from the thermal bath of standard model particles, relic ne...
[ { "created": "Tue, 1 Sep 2015 20:12:51 GMT", "version": "v1" }, { "created": "Thu, 7 Jan 2016 14:31:42 GMT", "version": "v2" } ]
2016-01-08
[ [ "Chen", "Mu-Chun", "" ], [ "Ratz", "Michael", "" ], [ "Trautner", "Andreas", "" ] ]
We point out that, for Dirac neutrinos, in addition to the standard thermal cosmic neutrino background (C$\nu$B) there could also exist a non-thermal neutrino background with comparable number density. As the right-handed components are essentially decoupled from the thermal bath of standard model particles, relic neut...
0901.2161
Fei Wang
Tianjun Li, Fei Wang, Jin Min Yang
The SU(3)_C * SU(4)_W * U(1)_{B-L} Models with Left-Right Unification
version in Nucl.Phys.B (discussions added)
Nucl.Phys.B820:534-564,2009
10.1016/j.nuclphysb.2009.06.006
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The left-right models provide an explanation for the parity asymmetry in the Standard Model (SM). To further understand the origin of the left-right symmetry, we study a partial unification model based on SU(4)_W*U(1)_{B-L} which can be broken down to the minimal left-right model either through the Higgs mechanism in...
[ { "created": "Thu, 15 Jan 2009 07:13:04 GMT", "version": "v1" }, { "created": "Fri, 3 Jul 2009 13:48:06 GMT", "version": "v2" } ]
2009-07-03
[ [ "Li", "Tianjun", "" ], [ "Wang", "Fei", "" ], [ "Yang", "Jin Min", "" ] ]
The left-right models provide an explanation for the parity asymmetry in the Standard Model (SM). To further understand the origin of the left-right symmetry, we study a partial unification model based on SU(4)_W*U(1)_{B-L} which can be broken down to the minimal left-right model either through the Higgs mechanism in f...
hep-ph/9807303
Zimanyi Jozsef
T.S. Biro, P. Levai and J. Zimanyi (KFKI RMKI, Budapest)
Hadronization with a confining equation of state
21 pages, Latex and 3 EPS figures are included, published version
Phys.Rev. C59 (1999) 1574-1584
10.1103/PhysRevC.59.1574
null
hep-ph nucl-ex nucl-th
null
We present a fast hadronization model for the constituent quark plasma (CQP) produced in relativistic heavy ion collisions at SPS. The model is based on rate equations and on a confining equation of state inspired by the string phenomenology. We display the time evolution of the relevant physical quantities during th...
[ { "created": "Thu, 9 Jul 1998 12:01:31 GMT", "version": "v1" }, { "created": "Thu, 8 Apr 1999 13:31:11 GMT", "version": "v2" } ]
2009-10-31
[ [ "Biro", "T. S.", "", "KFKI RMKI, Budapest" ], [ "Levai", "P.", "", "KFKI RMKI, Budapest" ], [ "Zimanyi", "J.", "", "KFKI RMKI, Budapest" ] ]
We present a fast hadronization model for the constituent quark plasma (CQP) produced in relativistic heavy ion collisions at SPS. The model is based on rate equations and on a confining equation of state inspired by the string phenomenology. We display the time evolution of the relevant physical quantities during the ...
0908.0486
Wenyu Wang
Wenyu Wang, Zhaohua Xiong, Jin Min Yang, Li-Xin Yu
Dark Matter in the Singlet Extension of MSSM: Explanation of Pamela and Implication on Higgs Phenomenology
Version in JHEP
JHEP 0911:053,2009
10.1088/1126-6708/2009/11/053
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
As discussed recently by Hooper and Tait, the singlino-like dark matter in the Minimal Supersymmetric Standard Model (MSSM) extended by a singlet Higgs superfield can give a perfect explanation for both the relic density and the Pamela result through the Sommerfeld-enhanced annihilation into singlet Higgs bosons ($a$...
[ { "created": "Tue, 4 Aug 2009 16:32:11 GMT", "version": "v1" }, { "created": "Sun, 18 Oct 2009 12:24:11 GMT", "version": "v2" } ]
2009-11-11
[ [ "Wang", "Wenyu", "" ], [ "Xiong", "Zhaohua", "" ], [ "Yang", "Jin Min", "" ], [ "Yu", "Li-Xin", "" ] ]
As discussed recently by Hooper and Tait, the singlino-like dark matter in the Minimal Supersymmetric Standard Model (MSSM) extended by a singlet Higgs superfield can give a perfect explanation for both the relic density and the Pamela result through the Sommerfeld-enhanced annihilation into singlet Higgs bosons ($a$ o...
hep-ph/9508296
Hitoshi Murayama
Lawrence J. Hall and Hitoshi Murayama (UC Berkeley, LBNL)
A Geometry of the Generations
10 pages, 1 EPS figure as uuencoded tar-compressed file, uses psfig.sty
Phys.Rev.Lett.75:3985-3988,1995
10.1103/PhysRevLett.75.3985
UCB-PTH-95/29
hep-ph
null
We propose a geometric theory of flavor based on the discrete group $(S_3)^3$, in the context of the minimal supersymmetric standard model. The group treats three objects symmetrically, while making fundamental distinctions between the generations. The top quark is the only heavy quark in the symmetry limit, and the ...
[ { "created": "Tue, 15 Aug 1995 05:41:13 GMT", "version": "v1" } ]
2009-09-29
[ [ "Hall", "Lawrence J.", "", "UC Berkeley, LBNL" ], [ "Murayama", "Hitoshi", "", "UC Berkeley, LBNL" ] ]
We propose a geometric theory of flavor based on the discrete group $(S_3)^3$, in the context of the minimal supersymmetric standard model. The group treats three objects symmetrically, while making fundamental distinctions between the generations. The top quark is the only heavy quark in the symmetry limit, and the fi...
2005.06236
Maria Gomez-Rocha
Mar\'ia G\'omez-Rocha and Enrique Ruiz Arriola
Renormalization group and scattering-equivalent Hamiltonians on a coarse momentum grid
Presented by Mar\'ia G\'omez-Rocha at Excited QCD 2020, February 2-8, Krynica Zdr\'oj, Poland. 6 pages, 3 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the $\pi\pi$-scattering problem in the context of the Kadyshevsky equation. In this scheme, we introduce a momentum grid and provide an isospectral definition of the phase-shift based on the spectral shift of a Chebyshev angle. We address the problem of the unnatural high momentum tails present in the fit...
[ { "created": "Wed, 13 May 2020 10:10:12 GMT", "version": "v1" } ]
2020-05-14
[ [ "Gómez-Rocha", "María", "" ], [ "Arriola", "Enrique Ruiz", "" ] ]
We consider the $\pi\pi$-scattering problem in the context of the Kadyshevsky equation. In this scheme, we introduce a momentum grid and provide an isospectral definition of the phase-shift based on the spectral shift of a Chebyshev angle. We address the problem of the unnatural high momentum tails present in the fitte...
1810.08990
Seyed Shams Sajadi
Seyed Shams Sajadi and G.R. Boroun
$\mathcal{O} \,(\theta)$ Feynman rules for quadrilinear gauge boson couplings in noncommutative standard model
32 pages, 15 figures
Phys. Rev. D 95, 035034 (2017) More
10.1103/PhysRevD.95.035034
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We examine the electroweak gauge sector of noncommutative standard model and in particular, obtain the $\mathcal{O} \,(\theta)$ Feynman rules for all quadrilinear gauge boson couplings. Surprisingly, an electroweak-chromodynamics mixing appears in the gauge sector of noncommutative standard model, where photon as wel...
[ { "created": "Sun, 21 Oct 2018 17:18:32 GMT", "version": "v1" } ]
2018-10-24
[ [ "Sajadi", "Seyed Shams", "" ], [ "Boroun", "G. R.", "" ] ]
We examine the electroweak gauge sector of noncommutative standard model and in particular, obtain the $\mathcal{O} \,(\theta)$ Feynman rules for all quadrilinear gauge boson couplings. Surprisingly, an electroweak-chromodynamics mixing appears in the gauge sector of noncommutative standard model, where photon as well ...
0906.1100
Michel Tytgat
Michel H.G. Tytgat
A light scalar wimp, the Higgs portal, and DAMA
Talk presented at the Seventh International Heidelberg Conference on Dark Matter in Astro and Particle Physics (DARK 2009), Christchurch, New Zealand, 18-24 Jan 2009
null
10.1142/9789814293792_0003
ULB-TH/09-17
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In these proceedings, we report on the possible signatures of a light scalar WIMP, a dark matter candidate with M_DM ~ few GeV, which is supposed to interact with the Standard Model particles through the Higgs, and which might be related to the annual modulation observed by DAMA.
[ { "created": "Fri, 5 Jun 2009 14:26:03 GMT", "version": "v1" }, { "created": "Tue, 16 Jun 2009 07:35:29 GMT", "version": "v2" } ]
2016-11-15
[ [ "Tytgat", "Michel H. G.", "" ] ]
In these proceedings, we report on the possible signatures of a light scalar WIMP, a dark matter candidate with M_DM ~ few GeV, which is supposed to interact with the Standard Model particles through the Higgs, and which might be related to the annual modulation observed by DAMA.
hep-ph/0502123
Georg Wolschin
Georg Wolschin
Rapidity equilibration and longitudinal expansion at RHIC
11 pages, 1 table, 2 figures; changes/additions in text, table, figs
Europhys.Lett. 74 (2006) 29-35
10.1209/epl/i2005-10517-0
null
hep-ph
null
The evolution of net-proton rapidity spectra with sqrt(s_NN) in heavy relativistic systems is proposed as an indicator for local equilibration and longitudinal expansion. In a Relativistic Diffusion Model, bell-shaped distributions in central collisions at AGS energies and double-humped nonequilibrium spectra at SPS ...
[ { "created": "Mon, 14 Feb 2005 11:00:42 GMT", "version": "v1" }, { "created": "Thu, 17 Feb 2005 09:15:32 GMT", "version": "v2" }, { "created": "Thu, 14 Jul 2005 18:50:42 GMT", "version": "v3" } ]
2009-09-29
[ [ "Wolschin", "Georg", "" ] ]
The evolution of net-proton rapidity spectra with sqrt(s_NN) in heavy relativistic systems is proposed as an indicator for local equilibration and longitudinal expansion. In a Relativistic Diffusion Model, bell-shaped distributions in central collisions at AGS energies and double-humped nonequilibrium spectra at SPS sh...
hep-ph/9809538
Tom Steele
F. Chishtie, V. Elias, T.G. Steele
Asymptotic Pade-Approximant Predictions for Renormalization-Group Functions of Massive $\phi^4$ Scalar Field Theory
latex2e, 5 pages, minor errors corrected and references updated
Phys.Lett. B446 (1999) 267-271
10.1016/S0370-2693(98)01539-1
null
hep-ph
null
Within the context of massive N-component $\phi^4$ scalar field theory, we use asymptotic Pade-approximant methods to estimate from prior orders of perturbation theory the five-loop contributions to the coupling-constant beta-function $\beta_g$, the anomalous mass dimension $\gamma_m$, the vacuum-energy beta-function...
[ { "created": "Fri, 25 Sep 1998 16:39:51 GMT", "version": "v1" }, { "created": "Wed, 7 Oct 1998 15:59:37 GMT", "version": "v2" } ]
2009-10-31
[ [ "Chishtie", "F.", "" ], [ "Elias", "V.", "" ], [ "Steele", "T. G.", "" ] ]
Within the context of massive N-component $\phi^4$ scalar field theory, we use asymptotic Pade-approximant methods to estimate from prior orders of perturbation theory the five-loop contributions to the coupling-constant beta-function $\beta_g$, the anomalous mass dimension $\gamma_m$, the vacuum-energy beta-function $...
1207.3058
Jan Heisig
Jan Heisig
Long-lived staus at the LHC
Contribution to the proceedings of the 47th Rencontres de Moriond (Electroweak Session 2012), 4 pages, 6 eps figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Supersymmetric scenarios with a very weakly interacting lightest superparticle (LSP) - like the gravitino or axino - naturally give rise to a long-lived next-to-LSP (NLSP). In the case of a stau NLSP, the scenario shows up in a very prominent way at colliders. We present the LHC sensitivity for these classes of scena...
[ { "created": "Thu, 12 Jul 2012 18:41:12 GMT", "version": "v1" } ]
2012-07-13
[ [ "Heisig", "Jan", "" ] ]
Supersymmetric scenarios with a very weakly interacting lightest superparticle (LSP) - like the gravitino or axino - naturally give rise to a long-lived next-to-LSP (NLSP). In the case of a stau NLSP, the scenario shows up in a very prominent way at colliders. We present the LHC sensitivity for these classes of scenari...
0706.4313
Aneesh Manohar
Elizabeth Jenkins and Aneesh V. Manohar
Rephasing Invariants of Quark and Lepton Mixing Matrices
Some references added, and typos corrected
Nucl.Phys.B792:187-205,2008
10.1016/j.nuclphysb.2007.09.031
null
hep-ph
null
Rephasing invariants of quark and lepton mixing matrices are obtained in the standard model extended by the seesaw mechanism, and in its low-energy effective theory with the dimension-five Majorana mass operator. We classify the basic invariants, discuss non-trivial relations between them, and determine the independe...
[ { "created": "Thu, 28 Jun 2007 20:13:53 GMT", "version": "v1" }, { "created": "Wed, 14 Nov 2007 17:36:44 GMT", "version": "v2" } ]
2008-11-26
[ [ "Jenkins", "Elizabeth", "" ], [ "Manohar", "Aneesh V.", "" ] ]
Rephasing invariants of quark and lepton mixing matrices are obtained in the standard model extended by the seesaw mechanism, and in its low-energy effective theory with the dimension-five Majorana mass operator. We classify the basic invariants, discuss non-trivial relations between them, and determine the independent...
1612.01973
Shankha Banerjee
Shankha Banerjee and Nabarun Chakrabarty
A revisit to scalar dark matter with radiative corrections
v3: 26 pages, 9 figures and 1 table; some typos fixed; matches published version
JHEP 1905 (2019) 150
10.1007/JHEP05(2019)150
HRI-RECAPP-2016-006, LAPTH-069/16, IPPP/18/80, NCTS-PH/1813
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Extended Higgs sectors have been studied extensively in context of dark matter phenomenology in tandem with other aspects. In this study, we compute radiative corrections to the dark matter-Higgs portal coupling, which is in fact a common feature of all scalar dark matter models irrespective of the hypercharge of the...
[ { "created": "Tue, 6 Dec 2016 20:07:38 GMT", "version": "v1" }, { "created": "Mon, 17 Apr 2017 16:25:03 GMT", "version": "v2" }, { "created": "Sat, 4 May 2019 15:56:57 GMT", "version": "v3" }, { "created": "Sat, 25 May 2019 21:55:41 GMT", "version": "v4" } ]
2019-05-28
[ [ "Banerjee", "Shankha", "" ], [ "Chakrabarty", "Nabarun", "" ] ]
Extended Higgs sectors have been studied extensively in context of dark matter phenomenology in tandem with other aspects. In this study, we compute radiative corrections to the dark matter-Higgs portal coupling, which is in fact a common feature of all scalar dark matter models irrespective of the hypercharge of the m...
hep-ph/9707365
Sean Fleming
Sean Fleming (University of Wisconsin, Madison), Thomas Mehen (Johns Hopkins University)
Leptoproduction of J/psi
33 pages latex. 10 figures. Uses revtex, epsf, and rotate macros. This paper is also available via the UW phenomenology archives at http://phenom.physics.wisc.edu/pub/preprints/
Phys.Rev. D57 (1998) 1846-1857
10.1103/PhysRevD.57.1846
JHU--TIPAC--96022, MADPH-97-994
hep-ph hep-ex
null
We study leptoproduction of $J/\psi$ at large $Q^2$ within the nonrelativistic QCD (NRQCD) factorization formalism. The cross section is dominated by color-octet terms that are of order $\alpha_s$. The color-singlet term, which is of order $\alpha^2_s$, is shown to be a small contribution to the total cross section. ...
[ { "created": "Thu, 17 Jul 1997 21:42:46 GMT", "version": "v1" } ]
2009-10-30
[ [ "Fleming", "Sean", "", "University of Wisconsin, Madison" ], [ "Mehen", "Thomas", "", "Johns\n Hopkins University" ] ]
We study leptoproduction of $J/\psi$ at large $Q^2$ within the nonrelativistic QCD (NRQCD) factorization formalism. The cross section is dominated by color-octet terms that are of order $\alpha_s$. The color-singlet term, which is of order $\alpha^2_s$, is shown to be a small contribution to the total cross section. We...
hep-ph/9603310
Piotr Chankowski
P.H Chankowski (Warsaw) and S. Pokorski (Munich)
Chargino Mass and $R_b$ Anomaly
32 pages (including 9 figures)
Nucl.Phys. B475 (1996) 3-26
10.1016/0550-3213(96)00317-3
IFT-96/6
hep-ph
null
We re-examine the possible magnitude of the supersymmetric contribution to $R_b$ with imposed all available phenomenological constraints and demanding good quality of the global fit to the precision electroweak data. For low $\tan\beta$ we find a new region of the parameter space, with $M_2\approx |\mu|$ and $\mu<0$ ...
[ { "created": "Thu, 14 Mar 1996 18:42:14 GMT", "version": "v1" } ]
2009-10-28
[ [ "Chankowski", "P. H", "", "Warsaw" ], [ "Pokorski", "S.", "", "Munich" ] ]
We re-examine the possible magnitude of the supersymmetric contribution to $R_b$ with imposed all available phenomenological constraints and demanding good quality of the global fit to the precision electroweak data. For low $\tan\beta$ we find a new region of the parameter space, with $M_2\approx |\mu|$ and $\mu<0$ wh...
1209.1054
Roberto Noriega-Papaqui
A. Criollo and R. Noriega-Papaqui
Symmetric texture-zero mass matrices with eigenvalues quark mass
25 pages
null
null
DCP-12-05
hep-ph math-ph math.MP
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Working within the context of texture-zeros mechanism for fermionic mass matrices, we provide necessary and sufficient conditions on the characteristic polynomial coefficients such that it has real, simple and positive roots. We translate these conditions in terms of invariants from congruent matrices. Then, all symm...
[ { "created": "Wed, 5 Sep 2012 17:37:29 GMT", "version": "v1" }, { "created": "Tue, 28 Jan 2014 22:20:20 GMT", "version": "v2" } ]
2014-01-30
[ [ "Criollo", "A.", "" ], [ "Noriega-Papaqui", "R.", "" ] ]
Working within the context of texture-zeros mechanism for fermionic mass matrices, we provide necessary and sufficient conditions on the characteristic polynomial coefficients such that it has real, simple and positive roots. We translate these conditions in terms of invariants from congruent matrices. Then, all symmet...
1702.04906
Xiaoyong Chu
Nicol\'as Bernal, Xiaoyong Chu, Josef Pradler
Simply split SIMPs
Minor changes, references added, to match the published version
Phys. Rev. D 95, 115023 (2017)
10.1103/PhysRevD.95.115023
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark Matter which interacts strongly with itself, but only feebly with the Standard Model is a possibility that has been entertained to solve apparent small-scale structure problems that are pertinent to the non-interacting cold Dark Matter paradigm. In this paper, we study the simple case in which the self-scatterin...
[ { "created": "Thu, 16 Feb 2017 10:01:39 GMT", "version": "v1" }, { "created": "Thu, 8 Jun 2017 15:42:57 GMT", "version": "v2" } ]
2017-06-28
[ [ "Bernal", "Nicolás", "" ], [ "Chu", "Xiaoyong", "" ], [ "Pradler", "Josef", "" ] ]
Dark Matter which interacts strongly with itself, but only feebly with the Standard Model is a possibility that has been entertained to solve apparent small-scale structure problems that are pertinent to the non-interacting cold Dark Matter paradigm. In this paper, we study the simple case in which the self-scattering ...
hep-ph/0510135
Agnes Mocsy
Agnes Mocsy
Heavy Quark Correlators Above Deconfinement
4 pages, talk at Quark Matter 2005, Budapest, Hungary, August 4-9, 2005
Nucl.Phys.A774:885-888,2006
10.1016/j.nuclphysa.2006.06.158
null
hep-ph
null
We compare the quarkonia correlators from potential models and from lattice QCD.
[ { "created": "Tue, 11 Oct 2005 16:48:01 GMT", "version": "v1" }, { "created": "Sun, 6 Nov 2005 21:32:06 GMT", "version": "v2" } ]
2008-11-26
[ [ "Mocsy", "Agnes", "" ] ]
We compare the quarkonia correlators from potential models and from lattice QCD.
hep-ph/0003048
Valerie Nowak
Stephen L. Adler
Scalar Exchange Forces and Generalized Most Attractive Channel Rule
13 pages plain Tex with no figures
Phys.Rev. D63 (2001) 017702
10.1103/PhysRevD.63.017702
IASSNS-HEP-00/16
hep-ph
null
We discuss the possibility that fermionic condensates arise from the dominance of scalar exchange forces over vector gluon exchange. When a scalar in the adjoint representation is exchanged in the reaction $A+A \to A+A$, the usual most attractive channel (MAC) rule is reversed in sign, with the consequence that the f...
[ { "created": "Mon, 6 Mar 2000 21:22:42 GMT", "version": "v1" } ]
2009-10-31
[ [ "Adler", "Stephen L.", "" ] ]
We discuss the possibility that fermionic condensates arise from the dominance of scalar exchange forces over vector gluon exchange. When a scalar in the adjoint representation is exchanged in the reaction $A+A \to A+A$, the usual most attractive channel (MAC) rule is reversed in sign, with the consequence that the for...
hep-ph/9811400
Robert Peschanski
S. Munier, R.Peschanski
QCD, conformal invariance and the two pomerons
Discussion developped, conclusions unchanged; version to appear in Eur.Phys.J. C
Eur.Phys.J.C9:479-485,1999
10.1007/s100529900063
t98/122 (SPhT, Saclay)
hep-ph
null
Using the solution of the BFKL equation including the leading and subleading conformal spin components, we show how the conformal invariance underlying the leading log 1/x expansion of perturbative QCD leads to elastic amplitudes described by two effective Pomeron singularities. One Pomeron is the well-known "hard" B...
[ { "created": "Thu, 19 Nov 1998 14:33:35 GMT", "version": "v1" }, { "created": "Thu, 25 Mar 1999 09:34:34 GMT", "version": "v2" } ]
2008-11-26
[ [ "Munier", "S.", "" ], [ "Peschanski", "R.", "" ] ]
Using the solution of the BFKL equation including the leading and subleading conformal spin components, we show how the conformal invariance underlying the leading log 1/x expansion of perturbative QCD leads to elastic amplitudes described by two effective Pomeron singularities. One Pomeron is the well-known "hard" BFK...
2402.09501
Wen Yin
Junseok Lee, Kai Murai, Fuminobu Takahashi, and Wen Yin
Bubble Misalignment Mechanism for Axions
15pages, 14figures, 1table, v2: added references, corrected an error in axion number at transmission, conclusions unchanged
null
null
TU-1221
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the dynamics of axions at first-order phase transitions in non-Abelian gauge theories. When the duration of the phase transition is short compared to the timescale of the axion oscillations, the axion dynamics is similar to the trapped misalignment mechanism. On the other hand, if this is not the case, the a...
[ { "created": "Wed, 14 Feb 2024 19:00:00 GMT", "version": "v1" }, { "created": "Mon, 18 Mar 2024 10:33:29 GMT", "version": "v2" } ]
2024-03-19
[ [ "Lee", "Junseok", "" ], [ "Murai", "Kai", "" ], [ "Takahashi", "Fuminobu", "" ], [ "Yin", "Wen", "" ] ]
We study the dynamics of axions at first-order phase transitions in non-Abelian gauge theories. When the duration of the phase transition is short compared to the timescale of the axion oscillations, the axion dynamics is similar to the trapped misalignment mechanism. On the other hand, if this is not the case, the axi...
0904.3801
Yasuhiko Tsue
Y. Tsue (Kochi Univ., Japan), C. Providencia (Univ. de Coimbra, Portugal), J. da Providencia (Univ. de Coimbra, Portugal), M. Yamamura (Kansai Univ., Japan)
On the Exact Eigenstates and the Ground States Based on the Boson Realization for Many-Quark Model with su(4) Algebraic Structure
15 pages, 4 figures, using PTPTeX.cls
Prog.Theor.Phys.122:911-926,2010
10.1143/PTP.122.911
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Based on the boson realization, the ground state and phase structure are investigated in a many-quark model with algebraic structure developed in our previous paper, in which the two-body pairing and particle-hole type interactions are active. The physical interpretation of the exact eigenstates obtained in the boson...
[ { "created": "Fri, 24 Apr 2009 04:58:46 GMT", "version": "v1" } ]
2010-01-15
[ [ "Tsue", "Y.", "", "Kochi Univ., Japan" ], [ "Providencia", "C.", "", "Univ. de Coimbra,\n Portugal" ], [ "da Providencia", "J.", "", "Univ. de Coimbra, Portugal" ], [ "Yamamura", "M.", "", "Kansai Univ., Japan" ] ]
Based on the boson realization, the ground state and phase structure are investigated in a many-quark model with algebraic structure developed in our previous paper, in which the two-body pairing and particle-hole type interactions are active. The physical interpretation of the exact eigenstates obtained in the boson r...
2107.06895
Pavel Fileviez Perez
Pavel Fileviez Perez, Elliot Golias, Alexis D. Plascencia
Probing Quark-Lepton Unification with Leptoquark and Higgs Decays
11 pages, v2: minor corrections, version to appear in Physical Review D
Phys. Rev. D 105, 075011 (2022)
10.1103/PhysRevD.105.075011
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We point out unique relations between the decay widths for leptoquarks and Higgs bosons that can be used to test the unification of quarks and leptons at the TeV scale. We discuss the main predictions of the minimal theory for quark-lepton unification and show how the different decays for leptoquarks and Higgses are ...
[ { "created": "Wed, 14 Jul 2021 18:00:00 GMT", "version": "v1" }, { "created": "Wed, 23 Mar 2022 18:43:51 GMT", "version": "v2" } ]
2022-04-13
[ [ "Perez", "Pavel Fileviez", "" ], [ "Golias", "Elliot", "" ], [ "Plascencia", "Alexis D.", "" ] ]
We point out unique relations between the decay widths for leptoquarks and Higgs bosons that can be used to test the unification of quarks and leptons at the TeV scale. We discuss the main predictions of the minimal theory for quark-lepton unification and show how the different decays for leptoquarks and Higgses are re...
hep-ph/9801403
John H. Field
J.H.Field
A Model Independent Analysis of LEP and SLD Data on Z-Decays; is the Standard Model Confirmed?
29 pages, 4 figures, 18 tables
Phys.Rev.D58:093010,1998; Erratum-ibid.D60:099904,1999
10.1103/PhysRevD.58.093010 10.1103/PhysRevD.60.099904
{UGVA-DPNC 1997/10-173 October 1997
hep-ph
null
A model independent analysis has been performed on the LEP and SLD data on Z decays. Using only very weak theoretical assumptions, the effective vector and axial-vector couplings of leptons, c quarks and b quarks have been extracted. Although the lepton and c quark couplings agree well with Standard Model predictions...
[ { "created": "Fri, 23 Jan 1998 14:08:40 GMT", "version": "v1" }, { "created": "Mon, 20 Jul 1998 13:35:34 GMT", "version": "v2" } ]
2014-11-17
[ [ "Field", "J. H.", "" ] ]
A model independent analysis has been performed on the LEP and SLD data on Z decays. Using only very weak theoretical assumptions, the effective vector and axial-vector couplings of leptons, c quarks and b quarks have been extracted. Although the lepton and c quark couplings agree well with Standard Model predictions, ...
0705.1857
Hilmar Forkel
Hilmar Forkel, Michael Beyer and Tobias Frederico
Linear square-mass trajectories of radially and orbitally excited hadrons in holographic QCD
33 pages, 5 figures, updated to the extended version published in JHEP, vector meson bulk potential and metric corrected, comments and references added, phenomenology and conclusions unchanged
JHEP0707:077,2007
10.1088/1126-6708/2007/07/077
null
hep-ph hep-th nucl-th
null
We consider a new approach towards constructing approximate holographic duals of QCD from experimental hadron properties. This framework allows us to derive a gravity dual which reproduces the empirically found linear square-mass trajectories of universal slope for radially and orbitally excited hadrons. Conformal sy...
[ { "created": "Mon, 14 May 2007 13:45:25 GMT", "version": "v1" }, { "created": "Thu, 2 Aug 2007 02:31:48 GMT", "version": "v2" } ]
2008-11-26
[ [ "Forkel", "Hilmar", "" ], [ "Beyer", "Michael", "" ], [ "Frederico", "Tobias", "" ] ]
We consider a new approach towards constructing approximate holographic duals of QCD from experimental hadron properties. This framework allows us to derive a gravity dual which reproduces the empirically found linear square-mass trajectories of universal slope for radially and orbitally excited hadrons. Conformal symm...
0906.5556
Sergei Godunov
S. I. Godunov, G. S. Pastukhov
Neutrino Oscillations in Gravitational Field
6 pages
Phys.Atom.Nucl.74:302-305,2011
10.1134/S1063778811020104
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the gravitational correction to the phase difference between neutrino mass eigenstates. There is a number of papers, where this correction was calculated for the spherically symmetric gravitational field described by the Schwarzschild metric. The results of these papers differ from each other. Our result...
[ { "created": "Tue, 30 Jun 2009 15:05:59 GMT", "version": "v1" }, { "created": "Wed, 1 Jul 2009 14:17:02 GMT", "version": "v2" } ]
2011-03-14
[ [ "Godunov", "S. I.", "" ], [ "Pastukhov", "G. S.", "" ] ]
We calculate the gravitational correction to the phase difference between neutrino mass eigenstates. There is a number of papers, where this correction was calculated for the spherically symmetric gravitational field described by the Schwarzschild metric. The results of these papers differ from each other. Our result i...
2208.02730
A. D. Polosa
Luciano Maiani, Alessandro Pilloni, Antonio D. Polosa and Veronica Riquer
Doubly Heavy Tetraquarks in the Born-Oppenheimer approximation
8 pages, 1 figure. Corrections made. Improved draft. To appear in PLB
null
10.1016/j.physletb.2022.137624
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Tetraquarks QQq*q* are found to be described remarkably well with the Quantum Chromodynamics version of the Hydrogen bond, as treated with the Born-Oppenheimer approximation. We show the robustness of the method by computing the mass of the observed Tcc tetraquark following two different paths. Relying on this, we pr...
[ { "created": "Thu, 4 Aug 2022 15:55:50 GMT", "version": "v1" }, { "created": "Fri, 9 Dec 2022 14:21:42 GMT", "version": "v2" } ]
2022-12-21
[ [ "Maiani", "Luciano", "" ], [ "Pilloni", "Alessandro", "" ], [ "Polosa", "Antonio D.", "" ], [ "Riquer", "Veronica", "" ] ]
Tetraquarks QQq*q* are found to be described remarkably well with the Quantum Chromodynamics version of the Hydrogen bond, as treated with the Born-Oppenheimer approximation. We show the robustness of the method by computing the mass of the observed Tcc tetraquark following two different paths. Relying on this, we prov...
hep-ph/0101341
Gabriel Sanchez-Colon
A. Garcia, R. Huerta, and G. Sanchez-Colon
Flavor symmetry breaking, baryons magnetic moments, and low energy phenomenology of hadrons
null
Rev.Mex.Fis. 46 (2000) 26-31
null
null
hep-ph
null
A priori mixings of eigenstates in physical states are quantum mechanical effects well known in several realms of physics. The possibility that such effects are also present in particle physics, in the form of mixings that break flavor and parity symmetries, is studied. Applications to non-leptonic and weak radiative...
[ { "created": "Tue, 30 Jan 2001 20:37:28 GMT", "version": "v1" } ]
2007-05-23
[ [ "Garcia", "A.", "" ], [ "Huerta", "R.", "" ], [ "Sanchez-Colon", "G.", "" ] ]
A priori mixings of eigenstates in physical states are quantum mechanical effects well known in several realms of physics. The possibility that such effects are also present in particle physics, in the form of mixings that break flavor and parity symmetries, is studied. Applications to non-leptonic and weak radiative d...
1501.04883
Shakeel Mahmood
Shakeel Mahmood, Farida Tahir, Azeem Mir
The study of NSIs in B and KL rare decays with three generations of quarks and interference effects between the standard model and NSIs
16 pages, 11 figures
Vol. 30 (2015) 1550154, International Journal of Modern Physics A
10.1142/S0217751X15501547
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the rare decays of B meson. We want to constraint the NSIs by using these reactions. We show that there is a strong dependence of these reactions on new physics parameter. We include second and third generation of quarks in the loop for these decays. We further point out that the constraints for second gener...
[ { "created": "Tue, 20 Jan 2015 17:15:06 GMT", "version": "v1" }, { "created": "Tue, 16 Jun 2015 09:43:32 GMT", "version": "v2" } ]
2015-09-08
[ [ "Mahmood", "Shakeel", "" ], [ "Tahir", "Farida", "" ], [ "Mir", "Azeem", "" ] ]
We study the rare decays of B meson. We want to constraint the NSIs by using these reactions. We show that there is a strong dependence of these reactions on new physics parameter. We include second and third generation of quarks in the loop for these decays. We further point out that the constraints for second generat...
2309.14706
Matthias Steinhauser
Matteo Fael, Fabian Lange, Kay Schoenwald, Matthias Steinhauser
Three-loop $b\to s\gamma$ vertex with current-current operators
22 pages;v2: minor modifications,agrees with published version
JHEP 11 (2023) 166
null
CERN-TH-2023-148, P3H-23-059, TTP23-035, ZU-TH 56/23
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute three-loop vertex corrections to $b\to s\gamma$ induced by current-current operators. The results are presented as expansions in $m_c/m_b$ with numerical coefficients which allow to cover all relevant values for the heavy quark masses in different renormalization schemes. Moreover we provide for the first ...
[ { "created": "Tue, 26 Sep 2023 07:00:01 GMT", "version": "v1" }, { "created": "Fri, 8 Dec 2023 13:08:08 GMT", "version": "v2" } ]
2023-12-11
[ [ "Fael", "Matteo", "" ], [ "Lange", "Fabian", "" ], [ "Schoenwald", "Kay", "" ], [ "Steinhauser", "Matthias", "" ] ]
We compute three-loop vertex corrections to $b\to s\gamma$ induced by current-current operators. The results are presented as expansions in $m_c/m_b$ with numerical coefficients which allow to cover all relevant values for the heavy quark masses in different renormalization schemes. Moreover we provide for the first ti...
hep-ph/9410270
Yoshio Koide
Yoshio Koide
Table of Running Quark Mass Values : 1994
LaTex, 13 pages, US-94-05
null
null
null
hep-ph
null
Running quark mass values $m_q(\mu)$ at some typical energy scales ($\mu=1$ GeV, $\mu=m_W$, and so on) are reviewed. The values depend considerably on the value of $\Lambda_{\overline{MS}}$, especially, the value of top quark mass at $\mu=1$ GeV does so. The relative ratios of light quark masses ($m_u$, $m_d$ and $m_...
[ { "created": "Wed, 12 Oct 1994 13:22:00 GMT", "version": "v1" }, { "created": "Mon, 17 Oct 1994 12:16:07 GMT", "version": "v2" }, { "created": "Tue, 18 Oct 1994 08:16:41 GMT", "version": "v3" } ]
2008-02-03
[ [ "Koide", "Yoshio", "" ] ]
Running quark mass values $m_q(\mu)$ at some typical energy scales ($\mu=1$ GeV, $\mu=m_W$, and so on) are reviewed. The values depend considerably on the value of $\Lambda_{\overline{MS}}$, especially, the value of top quark mass at $\mu=1$ GeV does so. The relative ratios of light quark masses ($m_u$, $m_d$ and $m_s$...
1411.0565
Kenneth Lane
Sheldon L. Glashow, Diego Guadagnoli, Kenneth Lane
Lepton Flavor Violation in B Decays?
8 pages. Discussion of P'5 added; some discussion sharpened; discussion of decays with tau's modified; references added
Phys. Rev. Lett. 114, 091801 (2015)
10.1103/PhysRevLett.114.091801
CERN-PH-TH-2014-229, LAPTH-227/14
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The LHCb Collaboration's measurement of R_K = B(B+ -> K+ mu+ mu-)/B(B+ -> K+ e+e-) lies 2.6 sigma below the Standard Model prediction. Several groups suggest this deficit to result from new lepton non-universal interactions of muons. But non-universal leptonic interactions imply lepton flavor violation in B decays at...
[ { "created": "Mon, 3 Nov 2014 17:06:37 GMT", "version": "v1" }, { "created": "Fri, 14 Nov 2014 17:35:12 GMT", "version": "v2" } ]
2015-03-11
[ [ "Glashow", "Sheldon L.", "" ], [ "Guadagnoli", "Diego", "" ], [ "Lane", "Kenneth", "" ] ]
The LHCb Collaboration's measurement of R_K = B(B+ -> K+ mu+ mu-)/B(B+ -> K+ e+e-) lies 2.6 sigma below the Standard Model prediction. Several groups suggest this deficit to result from new lepton non-universal interactions of muons. But non-universal leptonic interactions imply lepton flavor violation in B decays at r...
1001.0768
Hye-Sung Lee
Hye-Sung Lee, Ernest Ma
Gauged B-x_i L origin of R parity and its implications
Version to appear in PLB
Phys.Lett.B688:319-322,2010
10.1016/j.physletb.2010.04.032
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Gauged B-L is a popular candidate for the origin of the conservation of R parity, i.e. R = (-)^{3B+L+2j}, in supersymmetry, but it fails to forbid the effective dimension-five terms arising from the superfield combinations QQQL, uude, and uddN, which allow the proton to decay. Changing it to B-x_i L, where x_e+x_\mu+...
[ { "created": "Tue, 5 Jan 2010 21:11:17 GMT", "version": "v1" }, { "created": "Thu, 14 Jan 2010 20:28:13 GMT", "version": "v2" }, { "created": "Thu, 6 May 2010 21:10:40 GMT", "version": "v3" } ]
2010-05-11
[ [ "Lee", "Hye-Sung", "" ], [ "Ma", "Ernest", "" ] ]
Gauged B-L is a popular candidate for the origin of the conservation of R parity, i.e. R = (-)^{3B+L+2j}, in supersymmetry, but it fails to forbid the effective dimension-five terms arising from the superfield combinations QQQL, uude, and uddN, which allow the proton to decay. Changing it to B-x_i L, where x_e+x_\mu+x_...
1404.0022
Sam McDermott
Asher Berlin, Dan Hooper, and Samuel D. McDermott
Simplified Dark Matter Models for the Galactic Center Gamma-Ray Excess
36 pages (20 are appendices); v4: some minor corrections in formulas in appendices, conclusions unchanged
Phys. Rev. D 89, 115022 (2014)
10.1103/PhysRevD.89.115022
FERMILAB-PUB-14-060-A, MCTP-14-07
hep-ph astro-ph.CO astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Motivated by the gamma-ray excess observed from the region surrounding the Galactic Center, we explore particle dark matter models that could potentially account for the spectrum and normalization of this signal. Taking a model-independent approach, we consider an exhaustive list of tree-level diagrams for dark matte...
[ { "created": "Mon, 31 Mar 2014 20:05:44 GMT", "version": "v1" }, { "created": "Thu, 24 Apr 2014 01:37:41 GMT", "version": "v2" }, { "created": "Wed, 4 Jun 2014 19:36:09 GMT", "version": "v3" }, { "created": "Tue, 2 Jun 2015 20:32:35 GMT", "version": "v4" } ]
2015-06-04
[ [ "Berlin", "Asher", "" ], [ "Hooper", "Dan", "" ], [ "McDermott", "Samuel D.", "" ] ]
Motivated by the gamma-ray excess observed from the region surrounding the Galactic Center, we explore particle dark matter models that could potentially account for the spectrum and normalization of this signal. Taking a model-independent approach, we consider an exhaustive list of tree-level diagrams for dark matter ...
1303.7023
Tomohiro Matsuda
Seishi Enomoto, Tomohiro Matsuda
Curvaton mechanism after multi-field inflation
10 pages, 2 figures, accepted for publication in PRD
null
10.1103/PhysRevD.87.083513
null
hep-ph astro-ph.CO hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The evolution of the curvature perturbation after multi-field inflation is studied in the light of the curvaton mechanism. Past numerical studies show that many-field inflation causes significant evolution of the curvature perturbation after inflation, which generates significant non-Gaussianity at the same time. We ...
[ { "created": "Thu, 28 Mar 2013 02:28:48 GMT", "version": "v1" } ]
2015-06-15
[ [ "Enomoto", "Seishi", "" ], [ "Matsuda", "Tomohiro", "" ] ]
The evolution of the curvature perturbation after multi-field inflation is studied in the light of the curvaton mechanism. Past numerical studies show that many-field inflation causes significant evolution of the curvature perturbation after inflation, which generates significant non-Gaussianity at the same time. We re...
1505.04858
Shun Zhou
Jue Zhang and Shun Zhou
A Further Study of the Frampton-Glashow-Yanagida Model for Neutrino Masses, Flavor Mixing and Baryon Number Asymmetry
24 pages, 4 figures, 2 tables, more discussions added, to appear in JHEP
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In light of the latest neutrino oscillation data, we revisit the minimal scenario of type-I seesaw model, in which only two heavy right-handed Majorana neutrinos are introduced to account for both tiny neutrino masses and the baryon number asymmetry in our Universe. In this framework, we carry out a systematic study ...
[ { "created": "Tue, 19 May 2015 03:12:52 GMT", "version": "v1" }, { "created": "Mon, 31 Aug 2015 04:35:14 GMT", "version": "v2" } ]
2015-09-01
[ [ "Zhang", "Jue", "" ], [ "Zhou", "Shun", "" ] ]
In light of the latest neutrino oscillation data, we revisit the minimal scenario of type-I seesaw model, in which only two heavy right-handed Majorana neutrinos are introduced to account for both tiny neutrino masses and the baryon number asymmetry in our Universe. In this framework, we carry out a systematic study of...
0803.2633
Young S Kim
Y.S.Kim and Marilyn E. Noz
Can the quark model be relativistic enough to include the parton model?
32pages, 9 figures, chapter in edited volume "New Ideas in the Quark Model" (Nova Publishing)
null
null
null
hep-ph nucl-th quant-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Since quarks are regarded as the most fundamental particles which constitute hadrons that we observe in the real world, there are many theories about how many of them are needed and what quantum numbers they carry. Another important question is what keeps them inside the hadron, which is known to have space-time exte...
[ { "created": "Tue, 18 Mar 2008 13:59:08 GMT", "version": "v1" } ]
2008-03-19
[ [ "Kim", "Y. S.", "" ], [ "Noz", "Marilyn E.", "" ] ]
Since quarks are regarded as the most fundamental particles which constitute hadrons that we observe in the real world, there are many theories about how many of them are needed and what quantum numbers they carry. Another important question is what keeps them inside the hadron, which is known to have space-time extens...
1902.08208
Robert Schabinger
Andreas von Manteuffel and Robert M. Schabinger
Quark and gluon form factors in four loop QCD: the $N_f^2$ and $N_{q\gamma} N_f$ contributions
6 pages, 1 figure, 1 table; in v2: incorporated referee suggestions in text, all equations and results unchanged. v2 is the version published in PRD
Phys. Rev. D 99, 094014 (2019)
10.1103/PhysRevD.99.094014
MSUHEP-19-005
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the four-loop massless QCD corrections with two closed quark lines to quark and gluon form factors. The results for the gluon form factor and the singlet part of the quark form factor are given for the first time. From our analytic expressions for the form factors, we determine the corresponding cusp ano...
[ { "created": "Thu, 21 Feb 2019 19:00:01 GMT", "version": "v1" }, { "created": "Thu, 18 Jul 2019 19:54:54 GMT", "version": "v2" } ]
2019-07-22
[ [ "von Manteuffel", "Andreas", "" ], [ "Schabinger", "Robert M.", "" ] ]
We calculate the four-loop massless QCD corrections with two closed quark lines to quark and gluon form factors. The results for the gluon form factor and the singlet part of the quark form factor are given for the first time. From our analytic expressions for the form factors, we determine the corresponding cusp anoma...
hep-ph/0201222
Marty Stock
Frank Wilczek
Four Big Questions with Pretty Good Answers
Four minor typos corrected; 19 pages; email correspondence to Frank Wilczek <wilczek@mit.edu>; talk given at a Symposium in Honor of Heisenberg's 100th birthday, December 6, 2001, Munich; to be published in the Festschrift
null
null
MIT-CTP-3236
hep-ph astro-ph hep-th
null
I discuss four big questions that can be importantly addressed using concepts from modern QCD. They concern the origin of mass, the feebleness of gravity, the uniqueness of physical laws, and the fate of matter when it is squeezed very hard.
[ { "created": "Wed, 23 Jan 2002 17:24:46 GMT", "version": "v1" }, { "created": "Tue, 5 Feb 2002 18:21:41 GMT", "version": "v2" } ]
2007-05-23
[ [ "Wilczek", "Frank", "" ] ]
I discuss four big questions that can be importantly addressed using concepts from modern QCD. They concern the origin of mass, the feebleness of gravity, the uniqueness of physical laws, and the fate of matter when it is squeezed very hard.
hep-ph/9904473
Yossi Nir
Galit Eyal and Yosef Nir
Lepton Parity in Supersymmetric Flavor Models
12 pages, harvmac
JHEP 9906:024,1999
10.1088/1126-6708/1999/06/024
WIS-99/17/Apr-DPP
hep-ph
null
We investigate supersymmetric models where neither R-parity nor lepton number nor baryon number is imposed. The full high energy theory has an exact horizontal U(1) symmetry that is spontaneously broken. Quarks and Higgs fields carry integer horizontal charges but leptons carry half integer charges. Consequently, the...
[ { "created": "Wed, 28 Apr 1999 09:19:26 GMT", "version": "v1" } ]
2014-11-17
[ [ "Eyal", "Galit", "" ], [ "Nir", "Yosef", "" ] ]
We investigate supersymmetric models where neither R-parity nor lepton number nor baryon number is imposed. The full high energy theory has an exact horizontal U(1) symmetry that is spontaneously broken. Quarks and Higgs fields carry integer horizontal charges but leptons carry half integer charges. Consequently, the e...
2405.12140
Matheus Hostert
Connor Sponsler, Matheus Hostert, Ivan Martinez-Soler, Carlos A. Arg\"uelles
Resonant Neutrino Flavor Conversion in the Atmosphere
12 pages,9 figures
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
Neutrinos produced in the atmosphere traverse a column density of air before being detected at neutrino observatories like IceCube or KM3NeT. In this work, we extend the neutrino flavor evolution in the {nuSQuIDS} code accounting for the varying height of neutrino production and the variable air density in the atmosp...
[ { "created": "Mon, 20 May 2024 16:02:55 GMT", "version": "v1" } ]
2024-05-21
[ [ "Sponsler", "Connor", "" ], [ "Hostert", "Matheus", "" ], [ "Martinez-Soler", "Ivan", "" ], [ "Argüelles", "Carlos A.", "" ] ]
Neutrinos produced in the atmosphere traverse a column density of air before being detected at neutrino observatories like IceCube or KM3NeT. In this work, we extend the neutrino flavor evolution in the {nuSQuIDS} code accounting for the varying height of neutrino production and the variable air density in the atmosphe...
2103.09067
Yongchao Zhang
P. S. Bhupal Dev, Werner Rodejohann, Xun-Jie Xu, Yongchao Zhang
Searching for $Z'$ bosons at the P2 experiment
36 pages, 6 figures and 5 tables, minor changes, more references, version published in JHEP
JHEP06(2021)039
10.1007/JHEP06(2021)039
null
hep-ph hep-ex
http://creativecommons.org/publicdomain/zero/1.0/
The P2 experiment aims at high-precision measurements of the parity-violating asymmetry in elastic electron-proton and electron-$^{12}$C scatterings with longitudinally polarized electrons. We discuss here the sensitivity of P2 to new physics mediated by an additional neutral gauge boson $Z'$ of a new $U(1)'$ gauge s...
[ { "created": "Tue, 16 Mar 2021 13:39:53 GMT", "version": "v1" }, { "created": "Tue, 8 Jun 2021 17:01:27 GMT", "version": "v2" } ]
2021-06-09
[ [ "Dev", "P. S. Bhupal", "" ], [ "Rodejohann", "Werner", "" ], [ "Xu", "Xun-Jie", "" ], [ "Zhang", "Yongchao", "" ] ]
The P2 experiment aims at high-precision measurements of the parity-violating asymmetry in elastic electron-proton and electron-$^{12}$C scatterings with longitudinally polarized electrons. We discuss here the sensitivity of P2 to new physics mediated by an additional neutral gauge boson $Z'$ of a new $U(1)'$ gauge sym...
0807.3029
David G. Cerdeno
D.G. Cerdeno, C. Munoz, O. Seto
Right-handed sneutrino as thermal dark matter
5 pages, 2 figures. References added and minor changes. Final version to appear in Phys. Rev. D
Phys.Rev.D79:023510,2009
10.1103/PhysRevD.79.023510
FTUAM-08/12, IFT-UAM/CSIC-08-47
hep-ph astro-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study an extension of the MSSM with a singlet S with coupling SH1H2 in order to solve the mu problem as in the NMSSM, and right-handed neutrinos N with couplings SNN in order to generate dynamically electroweak-scale Majorana masses. We show how in this model a purely right-handed sneutrino can be a viable candida...
[ { "created": "Fri, 18 Jul 2008 18:44:01 GMT", "version": "v1" }, { "created": "Thu, 18 Dec 2008 18:42:04 GMT", "version": "v2" } ]
2009-01-21
[ [ "Cerdeno", "D. G.", "" ], [ "Munoz", "C.", "" ], [ "Seto", "O.", "" ] ]
We study an extension of the MSSM with a singlet S with coupling SH1H2 in order to solve the mu problem as in the NMSSM, and right-handed neutrinos N with couplings SNN in order to generate dynamically electroweak-scale Majorana masses. We show how in this model a purely right-handed sneutrino can be a viable candidate...
1604.01255
Y.H Ahn
Y. H. Ahn
QCD Axion as a Bridge Between String Theory and Flavor Physics
Accepted in Physical Review D, References added. 16 pages
Phys. Rev. D 93, 085026 (2016)
10.1103/PhysRevD.93.085026
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct a string-inspired model, motivated by the flavored Peccei-Quinn (PQ) axions, as a useful bridge between flavor physics and string theory. The key feature is two anomalous gauged $U(1)$ symmetries, responsible for both the fermion mass hierarchy problem of the standard model and the strong CP problem, tha...
[ { "created": "Tue, 5 Apr 2016 13:45:44 GMT", "version": "v1" }, { "created": "Tue, 12 Apr 2016 21:19:11 GMT", "version": "v2" } ]
2016-04-27
[ [ "Ahn", "Y. H.", "" ] ]
We construct a string-inspired model, motivated by the flavored Peccei-Quinn (PQ) axions, as a useful bridge between flavor physics and string theory. The key feature is two anomalous gauged $U(1)$ symmetries, responsible for both the fermion mass hierarchy problem of the standard model and the strong CP problem, that ...
1909.02101
Christian Gross
Andreas Crivellin, Christian Gross, Stefan Pokorski, Leonardo Vernazza
Correlating $\epsilon^\prime/\epsilon$ to hadronic $B$ decays via $U(2)^3$ flavour symmetry
8 pages
Phys. Rev. D 101, 015022 (2020)
10.1103/PhysRevD.101.015022
PSI-PR-19-18, UZ-TH 41/19, CERN-TH-2019-142, Nikhef/2019-041, INT-PUB-19-041
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
There are strong similarities between charge-parity (CP) violating observables in hadronic $B$ decays (in particular $\Delta A^-_{\rm CP}$ in $B\to K\pi$) and direct CP violation in Kaon decays ($\epsilon^\prime$): All these observables are very sensitive to new physics (NP) which is at the same time CP and isospin v...
[ { "created": "Wed, 4 Sep 2019 20:42:22 GMT", "version": "v1" } ]
2020-02-05
[ [ "Crivellin", "Andreas", "" ], [ "Gross", "Christian", "" ], [ "Pokorski", "Stefan", "" ], [ "Vernazza", "Leonardo", "" ] ]
There are strong similarities between charge-parity (CP) violating observables in hadronic $B$ decays (in particular $\Delta A^-_{\rm CP}$ in $B\to K\pi$) and direct CP violation in Kaon decays ($\epsilon^\prime$): All these observables are very sensitive to new physics (NP) which is at the same time CP and isospin vio...
1512.02130
Zhen Ouyang
Zhen Ouyang and Li-Ping Zou
Role of the hidden charm $N^*_{c\bar{c}}(4261)$ resonance in the $\pi^- p \to J/\psi n$ reaction
null
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We employ an effective Lagrangian approach and isobar model to investigate the role of the $N^*_{c\bar{c}}(4261)$ resonance with hidden charm in the $\pi^- p \to J/\psi n$ reaction. The total and differential cross sections of this reaction are predicted by including contributions from both $N^*_{c\bar{c}}(4261)$ and...
[ { "created": "Mon, 7 Dec 2015 17:17:01 GMT", "version": "v1" } ]
2015-12-08
[ [ "Ouyang", "Zhen", "" ], [ "Zou", "Li-Ping", "" ] ]
We employ an effective Lagrangian approach and isobar model to investigate the role of the $N^*_{c\bar{c}}(4261)$ resonance with hidden charm in the $\pi^- p \to J/\psi n$ reaction. The total and differential cross sections of this reaction are predicted by including contributions from both $N^*_{c\bar{c}}(4261)$ and n...
hep-ph/0207016
Park Jae-hyeon
P. Ko, Jae-hyeon Park (Korea Inst. Sci., Daejeon)
CP violations in the K and B meson systems in the SUSY models with (S_3)^3 flavor symmetry
14 pages, 4 figures
JHEP 0209 (2002) 017
10.1088/1126-6708/2002/09/017
KAIST-TH 2002/11
hep-ph
null
Rare decays of B and K mesons and CP violations thereof are considered in SUSY models with S_3^3 flavor symmetry. SUSY contributions to epsilon_K and epsilon'/epsilon_K can be large, but not to B0 - B0 bar mixing because of strong constraint from B -> X_d gamma for (delta^d_{13})_{LR}. Still large deviations from the...
[ { "created": "Mon, 1 Jul 2002 09:06:02 GMT", "version": "v1" } ]
2009-11-07
[ [ "Ko", "P.", "", "Korea Inst. Sci., Daejeon" ], [ "Park", "Jae-hyeon", "", "Korea Inst. Sci., Daejeon" ] ]
Rare decays of B and K mesons and CP violations thereof are considered in SUSY models with S_3^3 flavor symmetry. SUSY contributions to epsilon_K and epsilon'/epsilon_K can be large, but not to B0 - B0 bar mixing because of strong constraint from B -> X_d gamma for (delta^d_{13})_{LR}. Still large deviations from the S...
hep-ph/0108199
G. Barenboim
G.Barenboim, L.Borissov, J.Lykken, A.Yu Smirnov
Neutrinos as the messengers of CPT violation
10 pages latex, 1 eps fig, footnote added, enhanced referencing
JHEP 0210 (2002) 001
10.1088/1126-6708/2002/10/001
null
hep-ph
null
CPT violation has the potential to explain all three existing neutrino anomalies without enlarging the neutrino sector. CPT violation in the Dirac mass terms of the three neutrino flavors preserves Lorentz invariance, but generates independent masses for neutrinos and antineutrinos. This specific signature is strongl...
[ { "created": "Thu, 23 Aug 2001 20:50:43 GMT", "version": "v1" }, { "created": "Thu, 30 Aug 2001 19:29:28 GMT", "version": "v2" } ]
2009-11-07
[ [ "Barenboim", "G.", "" ], [ "Borissov", "L.", "" ], [ "Lykken", "J.", "" ], [ "Smirnov", "A. Yu", "" ] ]
CPT violation has the potential to explain all three existing neutrino anomalies without enlarging the neutrino sector. CPT violation in the Dirac mass terms of the three neutrino flavors preserves Lorentz invariance, but generates independent masses for neutrinos and antineutrinos. This specific signature is strongly ...
1807.05022
Michel Tytgat
Thomas Hambye, Michel H.G. Tytgat, J\'er\^ome Vandecasteele, Laurent Vanderheyden
Direct Detection is testing Freeze-in
7 pages, 4 figures. References added. Discussion of further constraints on parameters. Figures updated. Conclusions unchanged. Matches published version
Phys. Rev. D 98, 075017 (2018)
10.1103/PhysRevD.98.075017
ULB-TH/08-10
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark Matter (DM) may belong to a hidden sector that is only feebly interacting with the Standard Model (SM) and may have never been in thermal equilibrium in the Early Universe. In this case, the observed abundance of dark matter particles could have built up through a process known as Freeze-in. We show that, for th...
[ { "created": "Fri, 13 Jul 2018 11:55:48 GMT", "version": "v1" }, { "created": "Mon, 13 Aug 2018 10:46:24 GMT", "version": "v2" }, { "created": "Wed, 6 Feb 2019 15:06:49 GMT", "version": "v3" } ]
2019-02-07
[ [ "Hambye", "Thomas", "" ], [ "Tytgat", "Michel H. G.", "" ], [ "Vandecasteele", "Jérôme", "" ], [ "Vanderheyden", "Laurent", "" ] ]
Dark Matter (DM) may belong to a hidden sector that is only feebly interacting with the Standard Model (SM) and may have never been in thermal equilibrium in the Early Universe. In this case, the observed abundance of dark matter particles could have built up through a process known as Freeze-in. We show that, for the ...
hep-ph/0104016
Giovanni Ridolfi
Gino Isidori, Giovanni Ridolfi, Alessandro Strumia
On the metastability of the Standard Model vacuum
LaTex 23 pages, 4 eps figures. Misprint in the abstract corrected, reference added
Nucl.Phys.B609:387-409,2001
10.1016/S0550-3213(01)00302-9
CERN-TH/2001-092, IFUP-TH/2001-11
hep-ph
null
If the Higgs mass m_H is as low as suggested by present experimental information, the Standard Model ground state might not be absolutely stable. We present a detailed analysis of the lower bounds on m_H imposed by the requirement that the electroweak vacuum be sufficiently long-lived. We perform a complete one-loop ...
[ { "created": "Mon, 2 Apr 2001 12:33:22 GMT", "version": "v1" }, { "created": "Thu, 31 May 2001 13:49:39 GMT", "version": "v2" } ]
2010-05-28
[ [ "Isidori", "Gino", "" ], [ "Ridolfi", "Giovanni", "" ], [ "Strumia", "Alessandro", "" ] ]
If the Higgs mass m_H is as low as suggested by present experimental information, the Standard Model ground state might not be absolutely stable. We present a detailed analysis of the lower bounds on m_H imposed by the requirement that the electroweak vacuum be sufficiently long-lived. We perform a complete one-loop ca...
hep-ph/9802285
Lev Kofman
Lev Kofman (Institute for Astronomy, University of Hawaii)
Reheating and Preheating after Inflation
8 pages, in: 3rd RESCEU Symp. Particle Cosmology, Tokyo 1997
null
null
UH-IfA-98-08
hep-ph astro-ph hep-th
null
It is assumed that during inflation, all energy was contained in a slow-rolling inflaton field $\phi$. The particles constituting the Universe are created due to interactions with the field $\phi$ coherently oscillating after inflation. The leading channel of the particle production would be the non-perturbative regi...
[ { "created": "Tue, 10 Feb 1998 03:55:12 GMT", "version": "v1" } ]
2007-05-23
[ [ "Kofman", "Lev", "", "Institute for Astronomy, University of Hawaii" ] ]
It is assumed that during inflation, all energy was contained in a slow-rolling inflaton field $\phi$. The particles constituting the Universe are created due to interactions with the field $\phi$ coherently oscillating after inflation. The leading channel of the particle production would be the non-perturbative regime...
1612.06611
Cristian Pisano
Cristian Pisano, Dani\"el Boer, Piet J. Mulders, Jian Zhou
Probing Gluon TMDs at a Future EIC
10 pages, 6 figures; to appear in the Proceedings of the QCD Evolution 2016 Workshop, Amsterdam, The Netherlands, May 30 - June 3 2016
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Gluon TMDs can be accessed through the analysis of azimuthal asymmetries for heavy quark pair and dijet production in electron-proton collisions, similarly to the way quark TMDs are commonly extracted from semi-inclusive deep-inelastic scattering data. We calculate the upper bounds for these observables, showing in w...
[ { "created": "Tue, 20 Dec 2016 11:13:01 GMT", "version": "v1" } ]
2016-12-21
[ [ "Pisano", "Cristian", "" ], [ "Boer", "Daniël", "" ], [ "Mulders", "Piet J.", "" ], [ "Zhou", "Jian", "" ] ]
Gluon TMDs can be accessed through the analysis of azimuthal asymmetries for heavy quark pair and dijet production in electron-proton collisions, similarly to the way quark TMDs are commonly extracted from semi-inclusive deep-inelastic scattering data. We calculate the upper bounds for these observables, showing in whi...
1603.03847
Ricardo Farias
R. L. S. Farias, V. S. Timoteo, S. S. Avancini, M. B. Pinto and G. Krein
Thermo-magnetic effects in quark matter: Nambu--Jona-Lasinio model constrained by lattice QCD
13 pages, 9 figures, v3 EPJA version
null
10.1140/epja/i2017-12320-8
null
hep-ph hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The phenomenon of inverse magnetic catalysis of chiral symmetry in QCD predicted by lattice simulations can be reproduced within the Nambu--Jona-Lasinio model if the coupling~$G$ of the model decreases with the strength $B$ of the magnetic field and temperature~$T$. The thermo-magnetic dependence of $G(B,T)$ is obtai...
[ { "created": "Sat, 12 Mar 2016 02:28:47 GMT", "version": "v1" }, { "created": "Sat, 19 Mar 2016 18:08:47 GMT", "version": "v2" }, { "created": "Mon, 17 Apr 2017 16:37:08 GMT", "version": "v3" } ]
2017-08-23
[ [ "Farias", "R. L. S.", "" ], [ "Timoteo", "V. S.", "" ], [ "Avancini", "S. S.", "" ], [ "Pinto", "M. B.", "" ], [ "Krein", "G.", "" ] ]
The phenomenon of inverse magnetic catalysis of chiral symmetry in QCD predicted by lattice simulations can be reproduced within the Nambu--Jona-Lasinio model if the coupling~$G$ of the model decreases with the strength $B$ of the magnetic field and temperature~$T$. The thermo-magnetic dependence of $G(B,T)$ is obtaine...
hep-ph/0508020
Igor Ivanov
I. F. Ginzburg, I. P. Ivanov
Tree-level unitarity constraints in the most general 2HDM
6 pages, no figures
Phys.Rev. D72 (2005) 115010
10.1103/PhysRevD.72.115010
null
hep-ph
null
We obtain tree-level unitarity constraints for the most general Two Higgs Doublet Model (2HDM) with explicit CP-violation. We briefly discuss correspondence between possible violation of tree level unitarity limitation and physical content of the theory.
[ { "created": "Mon, 1 Aug 2005 12:36:13 GMT", "version": "v1" } ]
2009-11-11
[ [ "Ginzburg", "I. F.", "" ], [ "Ivanov", "I. P.", "" ] ]
We obtain tree-level unitarity constraints for the most general Two Higgs Doublet Model (2HDM) with explicit CP-violation. We briefly discuss correspondence between possible violation of tree level unitarity limitation and physical content of the theory.
hep-ph/0511270
Claude Semay
Fabien Buisseret, Claude Semay
Covariant oscillator quark model for glueballs and baryons
2 figures; content changed and enlarged
Phys.Rev. D73 (2006) 114011
10.1103/PhysRevD.73.114011
null
hep-ph
null
An analytic resolution of the covariant oscillator quark model for a three-body system is presented. Our harmonic potential is a general quadratic potential which can simulate both a $\delta$-shape configuration or a simplified Y-configuration where the junction is located at the center of mass. The mass formulas obt...
[ { "created": "Wed, 23 Nov 2005 13:05:54 GMT", "version": "v1" }, { "created": "Tue, 13 Jun 2006 09:48:53 GMT", "version": "v2" } ]
2007-05-23
[ [ "Buisseret", "Fabien", "" ], [ "Semay", "Claude", "" ] ]
An analytic resolution of the covariant oscillator quark model for a three-body system is presented. Our harmonic potential is a general quadratic potential which can simulate both a $\delta$-shape configuration or a simplified Y-configuration where the junction is located at the center of mass. The mass formulas obtai...
1909.05108
Lev Fil'kov
L.V. Fil'kov
Supernarrow Dibaryons
9 pages, 7 figures. Journal version with corrected typos
Phys.Part.Nucl., 2019, Vol.50, No.5, pp.520-527
10.1134/S1063779619050071
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
An analysis of the experimental search for supernarrow dibaryons (SNDs) have been performed. The sum rules for SND masses have been constructed. The calculated values of the SND masses are in good agreement with the existing experimental values. It has been shown that the SND decay leads to the formation of N* with s...
[ { "created": "Tue, 10 Sep 2019 15:32:14 GMT", "version": "v1" }, { "created": "Sat, 14 Sep 2019 12:40:33 GMT", "version": "v2" } ]
2019-09-17
[ [ "Fil'kov", "L. V.", "" ] ]
An analysis of the experimental search for supernarrow dibaryons (SNDs) have been performed. The sum rules for SND masses have been constructed. The calculated values of the SND masses are in good agreement with the existing experimental values. It has been shown that the SND decay leads to the formation of N* with sma...
1505.06134
Ju-Jun Xie
F. Aceti, Ju-Jun Xie, and E. Oset
The $K \bar K \pi$ decay of the $f_1(1285)$ and its nature as a $K^* \bar K -cc$ molecule
Published version
Phys.Lett. B750 (2015) 609-614
10.1016/j.physletb.2015.09.068
null
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the decay of $f_1(1285) \to \pi K \bar K$ with the assumption that the $f_1(1285)$ is dynamically generated from the $K^* \bar{K} - cc$ interaction. In addition to the tree level diagrams that proceed via $f_1(1285) \to K^* \bar{K} - cc \to \pi K \bar K$, we take into account also the final state inter...
[ { "created": "Fri, 22 May 2015 16:09:40 GMT", "version": "v1" }, { "created": "Tue, 2 Jun 2015 01:50:23 GMT", "version": "v2" }, { "created": "Mon, 7 Dec 2015 02:18:50 GMT", "version": "v3" } ]
2015-12-08
[ [ "Aceti", "F.", "" ], [ "Xie", "Ju-Jun", "" ], [ "Oset", "E.", "" ] ]
We investigate the decay of $f_1(1285) \to \pi K \bar K$ with the assumption that the $f_1(1285)$ is dynamically generated from the $K^* \bar{K} - cc$ interaction. In addition to the tree level diagrams that proceed via $f_1(1285) \to K^* \bar{K} - cc \to \pi K \bar K$, we take into account also the final state interac...
0709.1390
Cedran Bomhof
C. J. Bomhof, P. J. Mulders
Non-universality of transverse momentum dependent parton distribution functions
v2: some textual changes in the paper and corrections in references, to appear in Nucl. Phys. B
Nucl.Phys.B795:409-427,2008
10.1016/j.nuclphysb.2007.11.024
null
hep-ph
null
In the field theoretical description of hadronic scattering processes, single transverse-spin asymmetries arise due to gluon initial and final state interactions. These interactions lead to process dependent Wilson lines in the operator definitions of transverse momentum dependent parton distribution functions. In pa...
[ { "created": "Mon, 10 Sep 2007 13:34:11 GMT", "version": "v1" }, { "created": "Mon, 3 Dec 2007 10:56:26 GMT", "version": "v2" } ]
2008-11-26
[ [ "Bomhof", "C. J.", "" ], [ "Mulders", "P. J.", "" ] ]
In the field theoretical description of hadronic scattering processes, single transverse-spin asymmetries arise due to gluon initial and final state interactions. These interactions lead to process dependent Wilson lines in the operator definitions of transverse momentum dependent parton distribution functions. In part...
hep-ph/0410080
Nikolai Uraltsev
D. Benson, I.I. Bigi and N. Uraltsev
On the photon energy moments and their `bias' corrections in B -> X_s+\gamma
28 pages, LaTeX, five figures. Extended version submitted to NPB after the Belle Workshop; accepted for publication. The critical discussion of the `multiscale' approach of Refs.[14] is extended in Sects. 2.1 and 6. Some technicalities of the calculations are explained in more detail in Appendix 1 and a number ...
Nucl.Phys.B710:371-401,2005
10.1016/j.nuclphysb.2004.12.035
Bicocca-FT-04-14, UND-HEP-04-BIG03, LNF-04/17(P)
hep-ph
null
Photon energy moments in B -> X_s+\gamma and the impact of experimental cuts are analyzed, including the biases exponential in the effective hardness missed in the conventional OPE. We incorporate the perturbative corrections fully implementing the Wilsonian momentum separation ab initio. This renders perturbative ef...
[ { "created": "Tue, 5 Oct 2004 20:00:04 GMT", "version": "v1" }, { "created": "Fri, 24 Dec 2004 17:28:04 GMT", "version": "v2" } ]
2008-11-26
[ [ "Benson", "D.", "" ], [ "Bigi", "I. I.", "" ], [ "Uraltsev", "N.", "" ] ]
Photon energy moments in B -> X_s+\gamma and the impact of experimental cuts are analyzed, including the biases exponential in the effective hardness missed in the conventional OPE. We incorporate the perturbative corrections fully implementing the Wilsonian momentum separation ab initio. This renders perturbative effe...
0906.0494
Alejandro Cabo
Alejandro Cabo Montes de Oca, Nana G. Cabo-Bizet and Alejandro Cabo-Bizet
Can the particle mass spectrum be explained within the Standard Model?
17 pages, 10 figures, presented in the Workshop: Quantum Chromodynamics from Colliders to Super-High Energy Cosmic Rays,25-29 May 2009, ICTP, Trieste, Italy
null
null
null
hep-ph cond-mat.supr-con hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
A modified version of PQCD considered in previous works is investigated here in the case of retaining only the quark condensate. The Green functions generating functional is expressed in a form in which Dirac's delta functions are now absent from the free propagators. The new expansion implements the dimensional tran...
[ { "created": "Tue, 2 Jun 2009 15:10:45 GMT", "version": "v1" } ]
2009-06-03
[ [ "de Oca", "Alejandro Cabo Montes", "" ], [ "Cabo-Bizet", "Nana G.", "" ], [ "Cabo-Bizet", "Alejandro", "" ] ]
A modified version of PQCD considered in previous works is investigated here in the case of retaining only the quark condensate. The Green functions generating functional is expressed in a form in which Dirac's delta functions are now absent from the free propagators. The new expansion implements the dimensional transm...
hep-ph/0607098
Fran\c{c}ois Gelis
Nicolas Borghini, Francois Gelis
Distribution of multiple scatterings in proton-nucleus collisions at high energy
22 pages, 8 figures, version to appear in PRD
Phys.Rev. D74 (2006) 054025
10.1103/PhysRevD.74.054025
CERN-PH-TH/2006-126, SPhT-T06/075
hep-ph nucl-ex nucl-th
null
We consider proton-nucleus collisions at high energy in the Color Glass Condensate framework, and extract from the gluon production cross-section the probabilities of having a definite number of multiple scatterings in the nucleus. Various properties of the distribution of the number of multiple scatterings are studi...
[ { "created": "Mon, 10 Jul 2006 08:04:06 GMT", "version": "v1" }, { "created": "Mon, 2 Oct 2006 09:01:40 GMT", "version": "v2" } ]
2009-11-11
[ [ "Borghini", "Nicolas", "" ], [ "Gelis", "Francois", "" ] ]
We consider proton-nucleus collisions at high energy in the Color Glass Condensate framework, and extract from the gluon production cross-section the probabilities of having a definite number of multiple scatterings in the nucleus. Various properties of the distribution of the number of multiple scatterings are studied...
2207.12789
Clemens Werthmann
Victor E. Ambrus, S. Schlichting, C. Werthmann
Development of transverse flow for small and large systems in conformal kinetic theory
6 pages, 2 figures. Presented at Quark Matter 2022, to appear in the proceedings
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We employ an effective kinetic description to study the space-time dynamics and development of transverse flow of small and large collision systems. By combining analytical insights in the few interactions limit with numerical simulations at higher opacity, we are able to describe the development of transverse flow f...
[ { "created": "Tue, 26 Jul 2022 10:17:54 GMT", "version": "v1" } ]
2022-07-27
[ [ "Ambrus", "Victor E.", "" ], [ "Schlichting", "S.", "" ], [ "Werthmann", "C.", "" ] ]
We employ an effective kinetic description to study the space-time dynamics and development of transverse flow of small and large collision systems. By combining analytical insights in the few interactions limit with numerical simulations at higher opacity, we are able to describe the development of transverse flow fro...
2303.09441
Meng-Lin Du Dr.
Meng-Lin Du, Arseniy Filin, Vadim Baru, Xiang-Kun Dong, Evgeny Epelbaum, Feng-Kun Guo, Christoph Hanhart, Alexey Nefediev, Juan Nieves, and Qian Wang
Role of left-hand cut contributions on pole extractions from lattice data: Case study for $T_{cc}(3875)^+$
10 pages, 7 figures. The version to appear in Physical Review Letters
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We discuss recent lattice data for the $T_{cc}(3875)^+$ state to stress, for the first time, a potentially strong impact of left-hand cuts from the one-pion exchange on the pole extraction for near-threshold exotic states. In particular, if the left-hand cut is located close to the two-particle threshold, which happe...
[ { "created": "Thu, 16 Mar 2023 16:15:49 GMT", "version": "v1" }, { "created": "Thu, 31 Aug 2023 03:56:09 GMT", "version": "v2" } ]
2023-09-01
[ [ "Du", "Meng-Lin", "" ], [ "Filin", "Arseniy", "" ], [ "Baru", "Vadim", "" ], [ "Dong", "Xiang-Kun", "" ], [ "Epelbaum", "Evgeny", "" ], [ "Guo", "Feng-Kun", "" ], [ "Hanhart", "Christoph", "" ], [ "...
We discuss recent lattice data for the $T_{cc}(3875)^+$ state to stress, for the first time, a potentially strong impact of left-hand cuts from the one-pion exchange on the pole extraction for near-threshold exotic states. In particular, if the left-hand cut is located close to the two-particle threshold, which happens...
1104.2600
Jesse Thaler
Clifford Cheung, Francesco D'Eramo, Jesse Thaler
The Spectrum of Goldstini and Modulini
10 pages, 2 figures; v2: typo corrected, references updated; v3: version to appear in JHEP
JHEP 1108:115,2011
10.1007/JHEP08(2011)115
MIT-CTP 4244
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
When supersymmetry is broken in multiple sectors via independent dynamics, the theory furnishes a corresponding multiplicity of "goldstini" degrees of freedom which may play a substantial role in collider phenomenology and cosmology. In this paper, we explore the tree-level mass spectrum of goldstini arising from a g...
[ { "created": "Wed, 13 Apr 2011 20:00:11 GMT", "version": "v1" }, { "created": "Thu, 12 May 2011 13:09:45 GMT", "version": "v2" }, { "created": "Tue, 30 Aug 2011 21:17:12 GMT", "version": "v3" } ]
2011-09-01
[ [ "Cheung", "Clifford", "" ], [ "D'Eramo", "Francesco", "" ], [ "Thaler", "Jesse", "" ] ]
When supersymmetry is broken in multiple sectors via independent dynamics, the theory furnishes a corresponding multiplicity of "goldstini" degrees of freedom which may play a substantial role in collider phenomenology and cosmology. In this paper, we explore the tree-level mass spectrum of goldstini arising from a gen...
2403.03152
Mehrdad Mirbabayi
Andrei Gruzinov and Mehrdad Mirbabayi
The Density of Relic Neutrinos Near the Surface of Earth
6 pages; v2: a typo corrected
null
null
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
It has been claimed that matter effects cause an asymmetry in the density of relic neutrinos versus antineutrinos near the surface of Earth, of order $O(G_F^{1/2})\sim 10^{-4}$, with the vertical extent $\sim 10$m. We argue that the effect is of order $O(G_F)\sim 10^{-8}$, with the vertical extent $\sim 1$mm.
[ { "created": "Tue, 5 Mar 2024 17:43:57 GMT", "version": "v1" }, { "created": "Wed, 6 Mar 2024 15:48:30 GMT", "version": "v2" } ]
2024-03-07
[ [ "Gruzinov", "Andrei", "" ], [ "Mirbabayi", "Mehrdad", "" ] ]
It has been claimed that matter effects cause an asymmetry in the density of relic neutrinos versus antineutrinos near the surface of Earth, of order $O(G_F^{1/2})\sim 10^{-4}$, with the vertical extent $\sim 10$m. We argue that the effect is of order $O(G_F)\sim 10^{-8}$, with the vertical extent $\sim 1$mm.
hep-ph/9702289
Chuan Wang Luo
A.N.Kamal and C.W.Luo
CP Asymmetries in Single Isospin Channels in B Decays and the Role of Inelastic Final State Interactions
10 pages, Latex, 2 eps-figures. Minor changes in the Abstract and the Figure Captions
null
null
Alberta-Thy-02-97
hep-ph
null
The role of inelastic final state interactions in CP asymmetries is investigated in single isospin two-body hadronic decays of the B meson. We demonstrate that in a channel where the CP asymmetry vanishes in absence of inelastic final state interactions, a coupling to a second channel where the asymmetry is nonvanish...
[ { "created": "Fri, 7 Feb 1997 20:00:30 GMT", "version": "v1" }, { "created": "Tue, 11 Feb 1997 18:28:32 GMT", "version": "v2" } ]
2008-02-03
[ [ "Kamal", "A. N.", "" ], [ "Luo", "C. W.", "" ] ]
The role of inelastic final state interactions in CP asymmetries is investigated in single isospin two-body hadronic decays of the B meson. We demonstrate that in a channel where the CP asymmetry vanishes in absence of inelastic final state interactions, a coupling to a second channel where the asymmetry is nonvanishin...
2401.03290
Thomas A. Trainor
Thomas A. Trainor
Comparison of spectrum models as applied to single-particle $\bf p_t$ spectra from high-energy p-p collisions and their physical interpretations
22 pages, 17 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
A parametrized mathematical model is required to extract the information carried by transverse momentum $p_t$ spectra from high-energy nuclear collisions and subject it to physical interpretation in terms of possible hadron production mechanisms. The importance of proper model construction and implementation has incr...
[ { "created": "Sat, 6 Jan 2024 19:58:58 GMT", "version": "v1" } ]
2024-01-09
[ [ "Trainor", "Thomas A.", "" ] ]
A parametrized mathematical model is required to extract the information carried by transverse momentum $p_t$ spectra from high-energy nuclear collisions and subject it to physical interpretation in terms of possible hadron production mechanisms. The importance of proper model construction and implementation has increa...
1507.01739
Kazuhiro Endo
Kazuhiro Endo, Koji Ishiwata
Direct detection of singlet dark matter in classically scale-invariant standard model
16 pages, 1 figure; minor modification; published version in PLB
Phys. Lett. B 749, 583 (2015)
10.1016/j.physletb.2015.08.059
TU-998, KANAZAWA-15-10
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Classical scale invariance is one of the possible solutions to explain the origin of the electroweak scale. The simplest extension is the classically scale-invariant standard model augmented by a multiplet of gauge singlet real scalar. In the previous study it was shown that the properties of the Higgs potential devi...
[ { "created": "Tue, 7 Jul 2015 10:24:45 GMT", "version": "v1" }, { "created": "Fri, 4 Sep 2015 06:49:33 GMT", "version": "v2" } ]
2016-11-01
[ [ "Endo", "Kazuhiro", "" ], [ "Ishiwata", "Koji", "" ] ]
Classical scale invariance is one of the possible solutions to explain the origin of the electroweak scale. The simplest extension is the classically scale-invariant standard model augmented by a multiplet of gauge singlet real scalar. In the previous study it was shown that the properties of the Higgs potential deviat...
1206.5853
Kingman Cheung
Jung Chang, Kingman Cheung, Po-Yan Tseng, and Tzu-Chiang Yuan
Distinguishing Various Models of the 125 GeV Boson in Vector Boson Fusion
31 pages, 3 figures; in this version some wordings are changed
null
10.1007/JHEP12(2012)058
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The hint of a new particle around 125 GeV at the LHC through the decay modes of diphoton and a number of others may point to quite a number of possibilities. While at the LHC the dominant production mechanism for the Higgs boson of the standard model and some other extensions is via the gluon fusion process, the alte...
[ { "created": "Mon, 25 Jun 2012 22:08:06 GMT", "version": "v1" }, { "created": "Wed, 15 Aug 2012 02:43:39 GMT", "version": "v2" }, { "created": "Mon, 15 Oct 2012 14:48:33 GMT", "version": "v3" } ]
2015-06-05
[ [ "Chang", "Jung", "" ], [ "Cheung", "Kingman", "" ], [ "Tseng", "Po-Yan", "" ], [ "Yuan", "Tzu-Chiang", "" ] ]
The hint of a new particle around 125 GeV at the LHC through the decay modes of diphoton and a number of others may point to quite a number of possibilities. While at the LHC the dominant production mechanism for the Higgs boson of the standard model and some other extensions is via the gluon fusion process, the altern...
1004.5419
Ahmed Rashed Mr
Ahmed Rashed, Murugeswaran Duraisamy, and Alakabha Datta
Probing light pseudoscalar, axial vector states through $\eta_{b} \to\tau^{+}\tau^{-}$
14 pages, 6 figures. Version accepted for publication in PRD
Phys.Rev.D82:054031,2010
10.1103/PhysRevD.82.054031
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper we explore the decay $\eta_b --> \tau^+ \tau^-$ as a probe for a light pseudoscalar or a light axial vector state. We estimate the standard model branching ratio for this decay to be $~4\times 10^{-9}$. We show that considerably larger branching ratios, up to the present experimental limit of ~8%, is po...
[ { "created": "Thu, 29 Apr 2010 22:54:29 GMT", "version": "v1" }, { "created": "Thu, 6 May 2010 04:08:21 GMT", "version": "v2" }, { "created": "Fri, 27 Aug 2010 16:35:48 GMT", "version": "v3" } ]
2014-11-20
[ [ "Rashed", "Ahmed", "" ], [ "Duraisamy", "Murugeswaran", "" ], [ "Datta", "Alakabha", "" ] ]
In this paper we explore the decay $\eta_b --> \tau^+ \tau^-$ as a probe for a light pseudoscalar or a light axial vector state. We estimate the standard model branching ratio for this decay to be $~4\times 10^{-9}$. We show that considerably larger branching ratios, up to the present experimental limit of ~8%, is poss...
hep-ph/0701132
Andreas Fuhrer
Moritz Bissegger, Andreas Fuhrer
A renormalizable effective theory for leading logarithms in ChPT
9 pages, 4 figures
Eur.Phys.J.C51:75-82,2007
10.1140/epjc/s10052-007-0292-9
null
hep-ph
null
We argue that the linear sigma model at small external momenta is an effective theory for the leading logarithms of chiral perturbation theory. Based on this assumption an attempt is made to sum these leading logarithms using the standard renormalization group techniques, which are valid in renormalizable quantum fie...
[ { "created": "Wed, 17 Jan 2007 09:49:55 GMT", "version": "v1" } ]
2008-11-26
[ [ "Bissegger", "Moritz", "" ], [ "Fuhrer", "Andreas", "" ] ]
We argue that the linear sigma model at small external momenta is an effective theory for the leading logarithms of chiral perturbation theory. Based on this assumption an attempt is made to sum these leading logarithms using the standard renormalization group techniques, which are valid in renormalizable quantum field...
hep-ph/9606337
Heribert Weigert
Jamal Jalilian-Marian, Alex Kovner, Larry McLerran and Heribert Weigert
The Intrinsic Glue Distribution at Very Small x
31 pages, Latex2e, 5 postecript figure included, using epsf, latexsym, amssymb and fancyheadings
Phys.Rev. D55 (1997) 5414-5428
10.1103/PhysRevD.55.5414
HEP-MINN-96-1429, NUC-MINN-96/10-T, HEP-MINN-96/08
hep-ph
null
We compute the distribution functions for gluons at very small x and not too large values of transverse momenta. We extend the McLerran-Venugopalan model by using renormalization group methods to integrate out effects due to those gluons which generate an effective classical charge density for Weizs\"acker-Williams f...
[ { "created": "Fri, 14 Jun 1996 19:42:46 GMT", "version": "v1" } ]
2009-10-28
[ [ "Jalilian-Marian", "Jamal", "" ], [ "Kovner", "Alex", "" ], [ "McLerran", "Larry", "" ], [ "Weigert", "Heribert", "" ] ]
We compute the distribution functions for gluons at very small x and not too large values of transverse momenta. We extend the McLerran-Venugopalan model by using renormalization group methods to integrate out effects due to those gluons which generate an effective classical charge density for Weizs\"acker-Williams fie...
1407.8431
Francesco Caporale
Francesco Caporale, Dmitry Yu. Ivanov, Beatrice Murdaca and Alessandro Papa
Mueller-Navelet jets in next-to-leading order BFKL: theory versus experiment
20 pages, 11 figures. Misprints removed in Tables 7 and 8 and in one place of the text; figures and conclusions unchanged; version which incorporates the Erratum accepted by Eur. Phys. J. C
null
10.1140/epjc/s10052-015-3754-5
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study, within QCD collinear factorization and including BFKL resummation at the next-to-leading order, the production of Mueller-Navelet jets at LHC with center-of-mass energy of 7 TeV. The adopted jet vertices are calculated in the approximation of small aperture of the jet cone in the pseudorapidity-azimuthal an...
[ { "created": "Thu, 31 Jul 2014 14:22:48 GMT", "version": "v1" }, { "created": "Thu, 2 Oct 2014 18:04:21 GMT", "version": "v2" }, { "created": "Wed, 28 Oct 2015 15:32:02 GMT", "version": "v3" } ]
2016-01-20
[ [ "Caporale", "Francesco", "" ], [ "Ivanov", "Dmitry Yu.", "" ], [ "Murdaca", "Beatrice", "" ], [ "Papa", "Alessandro", "" ] ]
We study, within QCD collinear factorization and including BFKL resummation at the next-to-leading order, the production of Mueller-Navelet jets at LHC with center-of-mass energy of 7 TeV. The adopted jet vertices are calculated in the approximation of small aperture of the jet cone in the pseudorapidity-azimuthal angl...
1707.06277
Sebastian Trojanowski
Leszek Roszkowski, Enrico Maria Sessolo, Sebastian Trojanowski
WIMP dark matter candidates and searches - current status and future prospects
84 pages, 17 figures. References added, minor corrections. The most recent Xenon1T excl. bound has been included that appeared after this article had been published
Rept.Prog.Phys. 81 (2018) no.6, 066201
10.1088/1361-6633/aab913
UCI-HEP-TR-2017-09 ; DO-TH 17/15
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review several current aspects of dark matter theory and experiment. We overview the present experimental status, which includes current bounds and recent claims and hints of a possible signal in a wide range of experiments: direct detection in underground laboratories, gamma-ray, cosmic ray, X-ray, neutrino teles...
[ { "created": "Wed, 19 Jul 2017 20:05:43 GMT", "version": "v1" }, { "created": "Mon, 4 Jun 2018 08:57:58 GMT", "version": "v2" } ]
2018-06-13
[ [ "Roszkowski", "Leszek", "" ], [ "Sessolo", "Enrico Maria", "" ], [ "Trojanowski", "Sebastian", "" ] ]
We review several current aspects of dark matter theory and experiment. We overview the present experimental status, which includes current bounds and recent claims and hints of a possible signal in a wide range of experiments: direct detection in underground laboratories, gamma-ray, cosmic ray, X-ray, neutrino telesco...
hep-ph/9707541
Jose Ramon Espinosa
Jose R. Espinosa (Upenn)
Z' Gauge Models from Strings
10 pages + 2 eps figures
Nucl.Phys.Proc.Suppl. 62 (1998) 187-196
10.1016/S0920-5632(97)00656-7
UPR-0768-T, IEM-FT-162/97
hep-ph
null
Potentially realistic string models often contain additional abelian gauge factors besides the standard model group. The consequences of such extended gauge structure are manifold both for theory and phenomenology as I show focussing in the simplest case of just one additional non-anomalous U(1)'. First, I discuss th...
[ { "created": "Thu, 31 Jul 1997 21:06:30 GMT", "version": "v1" } ]
2009-10-30
[ [ "Espinosa", "Jose R.", "", "Upenn" ] ]
Potentially realistic string models often contain additional abelian gauge factors besides the standard model group. The consequences of such extended gauge structure are manifold both for theory and phenomenology as I show focussing in the simplest case of just one additional non-anomalous U(1)'. First, I discuss the ...
1110.2420
Qiang Zhao
Qiang Zhao
Open charm scenarios
6 pages, Proceeding contribution to the Rutherford Centennial Conference, Aug. 8-12, 2011, Manchester, U.K
null
10.1088/1742-6596/381/1/012023
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss possibilities of identifying open charm effects in direct production processes, and propose that direct evidence for the open charm effects can be found in $e^+ e^-\to J/\psi\pi^0$. A unique feature with this process is that the $D\bar{D^*}+c.c.$ open channel is located in a relatively isolated energy, i.e...
[ { "created": "Tue, 11 Oct 2011 16:33:30 GMT", "version": "v1" } ]
2015-05-30
[ [ "Zhao", "Qiang", "" ] ]
We discuss possibilities of identifying open charm effects in direct production processes, and propose that direct evidence for the open charm effects can be found in $e^+ e^-\to J/\psi\pi^0$. A unique feature with this process is that the $D\bar{D^*}+c.c.$ open channel is located in a relatively isolated energy, i.e. ...
2212.03878
Yuber F. Perez-Gonzalez
Andrew Cheek, Lucien Heurtier, Yuber F. Perez-Gonzalez, Jessica Turner
Evaporation of Primordial Black Holes in the Early Universe: Mass and Spin Distributions
16 pages, 6 figures. Numerical codes released in https://github.com/yfperezg/frisbhee . Added clarifying comments. Matches published version
null
10.1103/PhysRevD.108.015005
null
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
Many cosmological phenomena lead to the production of primordial black holes in the early Universe. These phenomena often create a population of black holes with extended mass and spin distributions. As these black holes evaporate via Hawking radiation, they can modify various cosmological observables, lead to the pr...
[ { "created": "Wed, 7 Dec 2022 19:00:00 GMT", "version": "v1" }, { "created": "Fri, 28 Jul 2023 15:09:34 GMT", "version": "v2" } ]
2023-07-31
[ [ "Cheek", "Andrew", "" ], [ "Heurtier", "Lucien", "" ], [ "Perez-Gonzalez", "Yuber F.", "" ], [ "Turner", "Jessica", "" ] ]
Many cosmological phenomena lead to the production of primordial black holes in the early Universe. These phenomena often create a population of black holes with extended mass and spin distributions. As these black holes evaporate via Hawking radiation, they can modify various cosmological observables, lead to the prod...
1208.0191
Kaushik Bhattacharya
Kaushik Bhattacharya, Suratna Das
Effect of Lee-Wick thermodynamics in the cosmology of the early universe
3 Pages, 2 figures, Latex file. Talk given in the thirteenth Marcel Grossmann meeting (MG13), Stockholm, held during 1st-7th July 2012. The new version is a shortened form of the earlier submission
null
null
null
hep-ph gr-qc
http://creativecommons.org/licenses/publicdomain/
The Lee-Wick theories require unusual Lee-Wick (LW) partners to the standard model (SM) particles. The excitations of the unusual fields may have indefinite norms in the Hilbert space. In the present talk the thermodynamic results of a toy LW (where each normal particle has only one LW partner and the standard massle...
[ { "created": "Wed, 1 Aug 2012 12:37:21 GMT", "version": "v1" }, { "created": "Wed, 21 Nov 2012 07:07:59 GMT", "version": "v2" } ]
2012-11-22
[ [ "Bhattacharya", "Kaushik", "" ], [ "Das", "Suratna", "" ] ]
The Lee-Wick theories require unusual Lee-Wick (LW) partners to the standard model (SM) particles. The excitations of the unusual fields may have indefinite norms in the Hilbert space. In the present talk the thermodynamic results of a toy LW (where each normal particle has only one LW partner and the standard massless...
hep-ph/0606237
Kirill Melnikov
Sergey Alekhin, Kirill Melnikov, Frank Petriello
Fixed target Drell-Yan data and NNLO QCD fits of parton distribution functions
12 pages, revtex
Phys.Rev.D74:054033,2006
10.1103/PhysRevD.74.054033
null
hep-ph
null
We discuss the influence of fixed target Drell-Yan data on the extraction of parton distribution functions at next-to-next-to-leading order (NNLO) in QCD. When used in a parton distribution fit, the Drell-Yan (DY) data constrain sea quark distributions at large values of Bjorken x. We find that not all available DY d...
[ { "created": "Thu, 22 Jun 2006 00:09:58 GMT", "version": "v1" } ]
2008-11-26
[ [ "Alekhin", "Sergey", "" ], [ "Melnikov", "Kirill", "" ], [ "Petriello", "Frank", "" ] ]
We discuss the influence of fixed target Drell-Yan data on the extraction of parton distribution functions at next-to-next-to-leading order (NNLO) in QCD. When used in a parton distribution fit, the Drell-Yan (DY) data constrain sea quark distributions at large values of Bjorken x. We find that not all available DY dat...
hep-ph/0209028
Frithjof Karsch
F. Karsch, S. Datta, E. Laermann, P. Petreczky, S. Stickan and I. Wetzorke
Hadron correlators, spectral functions and thermal dilepton rates from lattice QCD
4 pages, latex2e, 5 EPS-files, invited contribution to the 16th Int. Conf. on Ultra-Relativistic Nucleus-Nucleus Collisions, Nantes, France, 18 - 24 July, 2002
Nucl.Phys. A715 (2003) 701-704
10.1016/S0375-9474(02)01470-7
null
hep-ph hep-lat nucl-th
null
We discuss information on thermal modifications of hadron properties which can be extracted from the structure of Euclidean correlation functions of hadronic currents as well as more direct information obtained through the reconstruction of the spectral functions based on the Maximum Entropy Method.
[ { "created": "Tue, 3 Sep 2002 15:46:44 GMT", "version": "v1" } ]
2009-11-07
[ [ "Karsch", "F.", "" ], [ "Datta", "S.", "" ], [ "Laermann", "E.", "" ], [ "Petreczky", "P.", "" ], [ "Stickan", "S.", "" ], [ "Wetzorke", "I.", "" ] ]
We discuss information on thermal modifications of hadron properties which can be extracted from the structure of Euclidean correlation functions of hadronic currents as well as more direct information obtained through the reconstruction of the spectral functions based on the Maximum Entropy Method.
hep-ph/0409305
Michael Beyer
M. Beyer, S. Christ, E. Schmidt, H. Schroeder (U Rostock)
Quartic gauge couplings from e+e- -> WWZ
Talk given at International Conference on Linear Colliders (LCWS 04), Paris, France, 19-24 Apr 2004, 4 pages, 3 figures
null
null
null
hep-ph
null
Effective anomalous quartic gauge couplings on tree level appear, e.g., in a strong interacting Higgs scenario. We present a status report on our study on triple boson production sensitive to these couplings. The study is done for parameters of a future linear collider.
[ { "created": "Mon, 27 Sep 2004 14:54:26 GMT", "version": "v1" } ]
2007-05-23
[ [ "Beyer", "M.", "", "U Rostock" ], [ "Christ", "S.", "", "U Rostock" ], [ "Schmidt", "E.", "", "U Rostock" ], [ "Schroeder", "H.", "", "U Rostock" ] ]
Effective anomalous quartic gauge couplings on tree level appear, e.g., in a strong interacting Higgs scenario. We present a status report on our study on triple boson production sensitive to these couplings. The study is done for parameters of a future linear collider.
hep-ph/9806448
Junegone Chay
Junegone Chay (Korea University)
Nonperturbative O(m_c^{-2}) Effects in B-> X_s photon from Heavy Quark Effective Theory
10 pages, LaTeX file, elsart.sty used
Phys.Lett. B439 (1998) 165-170
10.1016/S0370-2693(98)01011-9
SNUTP 98-062
hep-ph
null
The nonperturbative contribution, suppressed by powers of the charm quark mass m_c, in the inclusive decay B -> X_s photon is analyzed in the context of heavy quark effective field theory (HQEFT). According to previous analyses, the leading effects of O(1/m_c^2) arise from an external gluon attached to a charm quark ...
[ { "created": "Tue, 23 Jun 1998 09:05:44 GMT", "version": "v1" } ]
2009-10-31
[ [ "Chay", "Junegone", "", "Korea University" ] ]
The nonperturbative contribution, suppressed by powers of the charm quark mass m_c, in the inclusive decay B -> X_s photon is analyzed in the context of heavy quark effective field theory (HQEFT). According to previous analyses, the leading effects of O(1/m_c^2) arise from an external gluon attached to a charm quark lo...
1106.5360
Hiranmaya Mishra
Awaneesh Singh, Sanjay Puri and Hiranmaya Mishra
Kinetics of Chiral Phase Transitions in Quark Matter
To appear in proceedings of Gribov-80 Memorial workshop on Quantum Chromodynamics and Beyond, ICTP, 26-28 May 2010, to be published by World Scientific
null
10.1142/9789814350198_0047
null
hep-ph cond-mat.stat-mech nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the kinetics of chiral transitions in quark matter using a microscopic framework (Nambu-Jona-Lasinio model) and a phenomenological model (Ginzburg-Landau free energy). We focus on the coarsening dynamics subsequent to a quench from the massless quark phase to the massive quark phase. The morphology of the or...
[ { "created": "Mon, 27 Jun 2011 11:00:36 GMT", "version": "v1" } ]
2017-08-23
[ [ "Singh", "Awaneesh", "" ], [ "Puri", "Sanjay", "" ], [ "Mishra", "Hiranmaya", "" ] ]
We study the kinetics of chiral transitions in quark matter using a microscopic framework (Nambu-Jona-Lasinio model) and a phenomenological model (Ginzburg-Landau free energy). We focus on the coarsening dynamics subsequent to a quench from the massless quark phase to the massive quark phase. The morphology of the orde...
1108.1356
Kei Yagyu
Mayumi Aoki, Shinya Kanemura, Tetsuo Shindou, Kei Yagyu
Decoupling property of the supersymmetric Higgs sector with four doublets
26 pages, 24 figures, text sligtly modified,version to appear in Journal of High Energy Physics
null
10.1007/JHEP11(2011)038
KANAZAWA-11-13; UT-HET 056; KU-PH-009
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In supersymmetric standard models with multi Higgs doublet fields, selfcoupling constants in the Higgs potential come only from the D-terms at the tree level. We investigate the decoupling property of additional two heavier Higgs doublet fields in the supersymmetric standard model with four Higgs doublets. In particu...
[ { "created": "Fri, 5 Aug 2011 15:52:45 GMT", "version": "v1" }, { "created": "Fri, 9 Sep 2011 13:12:35 GMT", "version": "v2" }, { "created": "Tue, 25 Oct 2011 14:10:41 GMT", "version": "v3" } ]
2015-05-30
[ [ "Aoki", "Mayumi", "" ], [ "Kanemura", "Shinya", "" ], [ "Shindou", "Tetsuo", "" ], [ "Yagyu", "Kei", "" ] ]
In supersymmetric standard models with multi Higgs doublet fields, selfcoupling constants in the Higgs potential come only from the D-terms at the tree level. We investigate the decoupling property of additional two heavier Higgs doublet fields in the supersymmetric standard model with four Higgs doublets. In particula...
1102.1794
Takashi Shimomura
Satoru Kaneko, Hiroki Saito, Joe Sato, Takashi Shimomura, Oscar Vives and Masato Yamanaka
Correlation between flavour violating decay of long-lived slepton and tau in the coannihilation scenario with Seesaw mechanism
16 pages, 4 figures, 3 tables
Phys.Rev.D83:115005,2011
10.1103/PhysRevD.83.115005
YITP-11-16, FTUV-11/0402, IFIC/11-06, STUPP-11-207, MISC-2011-02
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate flavour violating decays of the long-lived lightest slepton and the tau lepton in the coannihilation region of the Minimal Supersymmetric Standard Model with a Seesaw mechanism to generate neutrino masses. We consider a situation where the mass difference between the lightest neutralino, as the Lightes...
[ { "created": "Wed, 9 Feb 2011 07:37:36 GMT", "version": "v1" } ]
2011-06-13
[ [ "Kaneko", "Satoru", "" ], [ "Saito", "Hiroki", "" ], [ "Sato", "Joe", "" ], [ "Shimomura", "Takashi", "" ], [ "Vives", "Oscar", "" ], [ "Yamanaka", "Masato", "" ] ]
We investigate flavour violating decays of the long-lived lightest slepton and the tau lepton in the coannihilation region of the Minimal Supersymmetric Standard Model with a Seesaw mechanism to generate neutrino masses. We consider a situation where the mass difference between the lightest neutralino, as the Lightest ...
1608.02940
Oren Slone
Rouven Essig, Jeremy Mardon, Oren Slone, Tomer Volansky
Detection of sub-GeV Dark Matter and Solar Neutrinos via Chemical-Bond Breaking
null
Phys. Rev. D 95, 056011 (2017)
10.1103/PhysRevD.95.056011
null
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We explore a new low-threshold direct-detection concept for dark matter, based on the breaking of chemical bonds between atoms. This includes the dissociation of molecules and the creation of defects in a lattice. With thresholds of a few to 10's of eV, such an experiment could probe the nuclear couplings of dark mat...
[ { "created": "Tue, 9 Aug 2016 20:00:03 GMT", "version": "v1" } ]
2017-03-15
[ [ "Essig", "Rouven", "" ], [ "Mardon", "Jeremy", "" ], [ "Slone", "Oren", "" ], [ "Volansky", "Tomer", "" ] ]
We explore a new low-threshold direct-detection concept for dark matter, based on the breaking of chemical bonds between atoms. This includes the dissociation of molecules and the creation of defects in a lattice. With thresholds of a few to 10's of eV, such an experiment could probe the nuclear couplings of dark matte...
hep-ph/9406350
Peter Landshoff
S D Bass and P V Landshoff
The small $x$ behaviour of $g_1$
6 pages plus 2 figures, uuencoded ps file, Cavendish preprint HEP 94/4, DAMTP 94/50
Phys.Lett. B336 (1994) 537-542
10.1016/0370-2693(94)90569-X
null
hep-ph
null
We discuss the small $x$ behaviour of the spin dependent structure function $g_1$. We find a contribution from the exchange of two non-perturbative gluons which behaves as $\sim ( 2 \ln {1 \over x} -1)$.
[ { "created": "Tue, 21 Jun 1994 09:20:59 GMT", "version": "v1" } ]
2009-10-28
[ [ "Bass", "S D", "" ], [ "Landshoff", "P V", "" ] ]
We discuss the small $x$ behaviour of the spin dependent structure function $g_1$. We find a contribution from the exchange of two non-perturbative gluons which behaves as $\sim ( 2 \ln {1 \over x} -1)$.
0808.1856
A. Cooper-Sarkar
A M Cooper-Sarkar
Including heavy quark production in ZEUS-PDF fits
4 pages, 4 figures. To be published in the Proceedings of the 16th International Workshop on Deep Inelastic Scattering, DIS2008, London, April 7-11th 2008
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
At HERA heavy quarks may contribute up to 30% of the structure function $F_2$. The potential of including heavy-quark data in the ZEUS PDF fits is explored, using $D^*$ double differential cross-sections as well as the inclusive quantities $F_2^{c\bar{c}}$, $F_2^{c\bar{c}}$. The introduction of heavy quarks requires ...
[ { "created": "Wed, 13 Aug 2008 16:03:26 GMT", "version": "v1" } ]
2008-08-14
[ [ "Cooper-Sarkar", "A M", "" ] ]
At HERA heavy quarks may contribute up to 30% of the structure function $F_2$. The potential of including heavy-quark data in the ZEUS PDF fits is explored, using $D^*$ double differential cross-sections as well as the inclusive quantities $F_2^{c\bar{c}}$, $F_2^{c\bar{c}}$. The introduction of heavy quarks requires an...
hep-ph/0402005
Nikolaos Mavromatos
N.E. Mavromatos
Neutrinos and the Phenomenology of CPT Violation
29 pages, talk at ``Neutrino-Oscillations in Venice 2003'', December 3-5 2003
null
null
null
hep-ph astro-ph hep-th
null
In this talk I review briefly theoretical models and ideas on quantum gravity approaches entailing CPT violation. Then, I discuss various phenomenological tests of CPT violation using neutrinos, arguing in favour of their superior sensitivity as compared to that of tests using other particles, such as neutral mesons,...
[ { "created": "Sat, 31 Jan 2004 16:55:44 GMT", "version": "v1" } ]
2007-05-23
[ [ "Mavromatos", "N. E.", "" ] ]
In this talk I review briefly theoretical models and ideas on quantum gravity approaches entailing CPT violation. Then, I discuss various phenomenological tests of CPT violation using neutrinos, arguing in favour of their superior sensitivity as compared to that of tests using other particles, such as neutral mesons, o...
2011.15060
Sara Khatibi
Sara Khatibi and Hamzeh Khanpour
Probing four-fermion operators in the triple top production at future hadron colliders
9 pages, 5 figures
Nuclear Physics B 967 (2021) 115432
10.1016/j.nuclphysb.2021.115432
null
hep-ph
http://creativecommons.org/publicdomain/zero/1.0/
In this paper, we study the triple top quark production at the future high-energy proton-proton colliders to probe the four-fermion interactions involving three top quarks. We employ the Standard Model Effective Field Theory (SMEFT) to find the upper limits at $95\%$ CL on the Wilson coefficients of these kinds of fo...
[ { "created": "Mon, 30 Nov 2020 17:58:20 GMT", "version": "v1" }, { "created": "Wed, 12 May 2021 10:43:40 GMT", "version": "v2" } ]
2021-05-18
[ [ "Khatibi", "Sara", "" ], [ "Khanpour", "Hamzeh", "" ] ]
In this paper, we study the triple top quark production at the future high-energy proton-proton colliders to probe the four-fermion interactions involving three top quarks. We employ the Standard Model Effective Field Theory (SMEFT) to find the upper limits at $95\%$ CL on the Wilson coefficients of these kinds of four...
1611.03610
Tianhong Wang
Si-Cheng Zhang, Tianhong Wang, Yue Jiang, Qiang Li, and Guo-Li Wang
Strong decays of $2^+$ charm and charm-strange mesons
9 pages, 2 figures
null
10.1142/S0217751X17500221
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we calculate the strong decays of $2^+$ heavy-light states, namely, the charmed $D^*_2(2460)^0$ meson and the charm-strange $D^*_{s2}(2573)^+$ meson. The method we adopt is the reduction formula, PCAC relation and low energy theorem, following which, the transition amplitudes are calculated. The wave f...
[ { "created": "Fri, 11 Nov 2016 08:26:52 GMT", "version": "v1" } ]
2017-03-08
[ [ "Zhang", "Si-Cheng", "" ], [ "Wang", "Tianhong", "" ], [ "Jiang", "Yue", "" ], [ "Li", "Qiang", "" ], [ "Wang", "Guo-Li", "" ] ]
In this paper, we calculate the strong decays of $2^+$ heavy-light states, namely, the charmed $D^*_2(2460)^0$ meson and the charm-strange $D^*_{s2}(2573)^+$ meson. The method we adopt is the reduction formula, PCAC relation and low energy theorem, following which, the transition amplitudes are calculated. The wave fun...
0907.4062
Michal Sumbera
J. Nemchik (Kosice, IEF & Prague Tech. U.) and M. Sumbera (Rez, Nucl. Phys. Inst.)
Physics of Large-x Nuclear Suppression
4 pages, 6 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee. Only minor changes in text
null
10.1016/j.nuclphysa.2009.09.052
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss a common feature of all known reactions on nuclear targets - a significant suppression at large x. Simple interpretation of this effect is based on energy conservation restrictions in initial state parton rescatterings. Using the light-cone dipole approach this mechanism is shown to control variety of proc...
[ { "created": "Thu, 23 Jul 2009 13:49:08 GMT", "version": "v1" }, { "created": "Mon, 14 Sep 2009 15:31:32 GMT", "version": "v2" } ]
2010-04-05
[ [ "Nemchik", "J.", "", "Kosice, IEF & Prague Tech. U." ], [ "Sumbera", "M.", "", "Rez, Nucl.\n Phys. Inst." ] ]
We discuss a common feature of all known reactions on nuclear targets - a significant suppression at large x. Simple interpretation of this effect is based on energy conservation restrictions in initial state parton rescatterings. Using the light-cone dipole approach this mechanism is shown to control variety of proces...
hep-ph/9911379
Martin A. Kimber
M. A. Kimber, A. D. Martin and M. G. Ryskin
Unintegrated parton distributions and prompt photon hadroproduction
15 pages, LaTeX, final version to appear in Eur. Phys. J. C with some typographical errors corrected and a fifth figure added
Eur.Phys.J.C12:655-661,2000
10.1007/s100520000326
DTP/99/100
hep-ph
null
We introduce a general expression which enables the parton distribution, unintegrated over the parton transverse momentum, to be obtained from the conventional parton densities. We use the formalism to study the effects of the transverse momentum q_t of the incoming partonic system on the calculation of the transvers...
[ { "created": "Tue, 16 Nov 1999 14:20:26 GMT", "version": "v1" }, { "created": "Tue, 18 Jan 2000 13:40:10 GMT", "version": "v2" } ]
2014-11-17
[ [ "Kimber", "M. A.", "" ], [ "Martin", "A. D.", "" ], [ "Ryskin", "M. G.", "" ] ]
We introduce a general expression which enables the parton distribution, unintegrated over the parton transverse momentum, to be obtained from the conventional parton densities. We use the formalism to study the effects of the transverse momentum q_t of the incoming partonic system on the calculation of the transverse ...