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0706.0977
Sven Heinemeyer
J. Ellis, S. Heinemeyer, K.A. Olive, G. Weiglein
Light Heavy MSSM Higgs Bosons at Large tan_beta
14 pages, 2 figures
Phys.Lett.B653:292-299,2007
10.1016/j.physletb.2007.07.056
CERN-PH-TH/2007-088, DCPT/07/52, IPPP/07/26, UMN-TH-2607/07, FTPI-MINN-07/20
hep-ph
null
The region of MSSM Higgs parameter space currently excluded by the CDF Collaboration, based on an analysis of ~1 fb^-1 of integrated luminosity, is less than the expected sensitivity. We analyze the potential implications of the persistence of this discrepancy within the MSSM, assuming that the soft supersymmetry-bre...
[ { "created": "Thu, 7 Jun 2007 09:52:06 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ellis", "J.", "" ], [ "Heinemeyer", "S.", "" ], [ "Olive", "K. A.", "" ], [ "Weiglein", "G.", "" ] ]
The region of MSSM Higgs parameter space currently excluded by the CDF Collaboration, based on an analysis of ~1 fb^-1 of integrated luminosity, is less than the expected sensitivity. We analyze the potential implications of the persistence of this discrepancy within the MSSM, assuming that the soft supersymmetry-break...
1707.03254
Gong-Ming Yu
Gong-Ming Yu, Yan-Bing Cai, Zhen Bai, Qiang Hu, and Jian-Song Wang
Centrality dependence of charmed-meson photoproduction in ultrarelativistic heavy ion collisions
5 pages, 4 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We calculate the centrality dependence of inclusive cross section of large-pT charmed-meson ($D^{0}$, $D^{*}$, $D^{*+}$, and $D_{s}^{+}$) from heavy quark fragmentation by the hard photoproduction processes for the nucleus-nucleus collisions in ultrarelativistic heavy ion collisions. The numerical results indicate th...
[ { "created": "Tue, 11 Jul 2017 13:09:03 GMT", "version": "v1" } ]
2017-07-12
[ [ "Yu", "Gong-Ming", "" ], [ "Cai", "Yan-Bing", "" ], [ "Bai", "Zhen", "" ], [ "Hu", "Qiang", "" ], [ "Wang", "Jian-Song", "" ] ]
We calculate the centrality dependence of inclusive cross section of large-pT charmed-meson ($D^{0}$, $D^{*}$, $D^{*+}$, and $D_{s}^{+}$) from heavy quark fragmentation by the hard photoproduction processes for the nucleus-nucleus collisions in ultrarelativistic heavy ion collisions. The numerical results indicate that...
1409.3654
Mohammad Assadsolimani
M. Assadsolimani, P. Kant, B. Tausk, P. Uwer
Calculation of two-loop QCD corrections for hadronic single top-quark production in the t channel
Latex, 36 pages; v2: minor modifications, title changed
Phys. Rev. D 90, 114024 (2014)
10.1103/PhysRevD.90.114024
HU-EP-14/32, SFB/CPP-14-71
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this article we discuss the calculation of single top-quark production in the t channel at two-loop order in QCD. In particular we present the decomposition of the amplitude according to its spin and colour structure and present complete results for the two-loop amplitudes in terms of master integrals. For the ver...
[ { "created": "Fri, 12 Sep 2014 06:13:38 GMT", "version": "v1" }, { "created": "Fri, 19 Dec 2014 14:16:07 GMT", "version": "v2" } ]
2014-12-22
[ [ "Assadsolimani", "M.", "" ], [ "Kant", "P.", "" ], [ "Tausk", "B.", "" ], [ "Uwer", "P.", "" ] ]
In this article we discuss the calculation of single top-quark production in the t channel at two-loop order in QCD. In particular we present the decomposition of the amplitude according to its spin and colour structure and present complete results for the two-loop amplitudes in terms of master integrals. For the verte...
hep-ph/9404323
Paco del Aguila
F. del Aguila
The Physics of Z' bosons
17 UG-FT-35/94
Acta Phys.Polon.B25:1317-1336,1994
null
null
hep-ph
null
In these lectures we review the simplest gauge extensions of the standard model, and the present and future limits on new weak interactions.
[ { "created": "Fri, 22 Apr 1994 11:45:45 GMT", "version": "v1" } ]
2011-04-15
[ [ "del Aguila", "F.", "" ] ]
In these lectures we review the simplest gauge extensions of the standard model, and the present and future limits on new weak interactions.
2312.17427
Hong-Lei Li
Zongyang Lu, Honglei Li, Zhi-Long Han, Zong-Guo Si, Liuxin Zhao
Phenomenology of Heavy Neutral Gauge Boson at Muon Collider
41 pages, 25 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Heavy neutral gauge boson $Z^\prime$ is proposed in many new physics models. It has rich phenomena at the future muon collider. We study the properties of $Z^\prime$ boson with the process of $\mu^+ \mu^- \rightarrow q \bar{q}$, $\mu^+ \mu^- \rightarrow l^+ l^-$, $\mu^+ \mu^- \rightarrow Z H$ and $\mu^+ \mu^- \righta...
[ { "created": "Fri, 29 Dec 2023 01:39:32 GMT", "version": "v1" } ]
2024-01-01
[ [ "Lu", "Zongyang", "" ], [ "Li", "Honglei", "" ], [ "Han", "Zhi-Long", "" ], [ "Si", "Zong-Guo", "" ], [ "Zhao", "Liuxin", "" ] ]
Heavy neutral gauge boson $Z^\prime$ is proposed in many new physics models. It has rich phenomena at the future muon collider. We study the properties of $Z^\prime$ boson with the process of $\mu^+ \mu^- \rightarrow q \bar{q}$, $\mu^+ \mu^- \rightarrow l^+ l^-$, $\mu^+ \mu^- \rightarrow Z H$ and $\mu^+ \mu^- \rightarr...
hep-ph/9906442
Grzegorz Wilk
O.Utyuzh, G.Wilk and Z.Wlodarczyk
On the possible space-time fractality of the emitting source
Thoroughly rewritten and modify version, to be published in Phys. Rev. D
Phys.Rev. D61 (2000) 034007
10.1103/PhysRevD.61.034007
null
hep-ph nucl-th
null
Using simple space-time implementation of the random cascade model we investigate numerically a conjecture made some time ago which was joining the intermittent behaviour of spectra of emitted particles with the possible fractal structure of the emitting source. We demonstrate that such details are seen, as expected,...
[ { "created": "Mon, 21 Jun 1999 17:03:00 GMT", "version": "v1" }, { "created": "Fri, 15 Oct 1999 08:05:47 GMT", "version": "v2" } ]
2009-10-31
[ [ "Utyuzh", "O.", "" ], [ "Wilk", "G.", "" ], [ "Wlodarczyk", "Z.", "" ] ]
Using simple space-time implementation of the random cascade model we investigate numerically a conjecture made some time ago which was joining the intermittent behaviour of spectra of emitted particles with the possible fractal structure of the emitting source. We demonstrate that such details are seen, as expected, i...
1607.00900
Wolfgang Sch\"afer
Wolfgang Sch\"afer, Antoni Szczurek, Anna Cisek
Photoproduction of $J/\psi$ and $\Upsilon$ states in exclusive and proton-dissociative diffractive events
6 pages, 5 figures, Talk given by WS at the XXIV International Workshop on Deep-Inelastic Scattering and Related Subjects, 11-15 April, 2016, DESY Hamburg, Germany
null
10.1051/epjconf/201613005017
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The amplitude for $\gamma p \to V p$, where $V$ is a $J/\psi$ or $\Upsilon$ ground state or excited vector meson, is calculated in a pQCD $k_{T}$-factorization approach. We use this amplitude to predict the cross section for exclusive photoproduction of $J/\psi, \psi', \Upsilon$ mesons in proton-proton collisions. Ca...
[ { "created": "Mon, 4 Jul 2016 14:23:28 GMT", "version": "v1" } ]
2016-12-21
[ [ "Schäfer", "Wolfgang", "" ], [ "Szczurek", "Antoni", "" ], [ "Cisek", "Anna", "" ] ]
The amplitude for $\gamma p \to V p$, where $V$ is a $J/\psi$ or $\Upsilon$ ground state or excited vector meson, is calculated in a pQCD $k_{T}$-factorization approach. We use this amplitude to predict the cross section for exclusive photoproduction of $J/\psi, \psi', \Upsilon$ mesons in proton-proton collisions. Calc...
hep-ph/9508350
Smaragda Lola
Smaragda Lola
Small scale structure predictions from discrete symmetry breaking - early quasar formation
18 pages, latex, 6 latex figures included in the same file. Small verbal changes. References added
Phys.Lett. B398 (1997) 23-31
10.1016/S0370-2693(97)00180-9
HD-THEP-95-36
hep-ph
null
We discuss the local density fluctuations which arise due to the topological defects that appear after the phase transition of light pseudo-Goldstone bosons. It has been found that in a post-inflationary universe the fluctuations of these defects at large scales may have led to galaxy formation, while being consisten...
[ { "created": "Tue, 22 Aug 1995 19:37:19 GMT", "version": "v1" }, { "created": "Wed, 23 Aug 1995 17:11:03 GMT", "version": "v2" } ]
2009-10-28
[ [ "Lola", "Smaragda", "" ] ]
We discuss the local density fluctuations which arise due to the topological defects that appear after the phase transition of light pseudo-Goldstone bosons. It has been found that in a post-inflationary universe the fluctuations of these defects at large scales may have led to galaxy formation, while being consistent ...
hep-ph/0404253
Maki Ikegami
Maki Ikegami and Takeo Moroi
Curvaton Scenario with Affleck-Dine Baryogenesis
16 pages,2 figures
Phys.Rev. D70 (2004) 083515
10.1103/PhysRevD.70.083515
TU-717
hep-ph
null
We discuss the curvaton scenario with the Affleck-Dine baryogenesis. In this scenario, non-vanishing baryonic entropy fluctuation may be generated even without primordial fluctuation of the Affleck-Dine field. Too large entropy fluctuation is inconsistent with the observations and hence constraints on the curvaton sc...
[ { "created": "Wed, 28 Apr 2004 08:57:49 GMT", "version": "v1" } ]
2009-11-10
[ [ "Ikegami", "Maki", "" ], [ "Moroi", "Takeo", "" ] ]
We discuss the curvaton scenario with the Affleck-Dine baryogenesis. In this scenario, non-vanishing baryonic entropy fluctuation may be generated even without primordial fluctuation of the Affleck-Dine field. Too large entropy fluctuation is inconsistent with the observations and hence constraints on the curvaton scen...
1308.0098
Shigehiro Yasui
S. Yasui and K. Sudoh
Probing gluon dynamics by charm and bottom mesons in nuclear medium from heavy meson effective theory with 1/M-corrections
30 pages, 3 figures
Phys. Rev. C 89, 015201 (2014)
10.1103/PhysRevC.89.015201
KEK-TH-1653
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider heavy mesons with charm and bottom in nuclear medium. We construct the effective Lagrangian with axial-vector coupling including 1/M-corrections for the heavy meson mass $M$ by following the velocity-rearrangement invariance. As an application, we consider heavy mesons, $\bar{\mathrm{D}}$ and $\bar{\mathr...
[ { "created": "Thu, 1 Aug 2013 05:35:28 GMT", "version": "v1" } ]
2014-01-08
[ [ "Yasui", "S.", "" ], [ "Sudoh", "K.", "" ] ]
We consider heavy mesons with charm and bottom in nuclear medium. We construct the effective Lagrangian with axial-vector coupling including 1/M-corrections for the heavy meson mass $M$ by following the velocity-rearrangement invariance. As an application, we consider heavy mesons, $\bar{\mathrm{D}}$ and $\bar{\mathrm{...
1905.08751
Daiki Suenaga
Daiki Suenaga, Toru Kojo
Gluon propagator in two-color dense QCD: Massive Yang-Mills approach at one-loop
16 pages, 13 figures
Phys. Rev. D 100, 076017 (2019)
10.1103/PhysRevD.100.076017
null
hep-ph astro-ph.HE hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the Landau gauge gluon propagators in dense two-color QCD at quark chemical potential, $\mu_q$, in the range from 0.5 to 1.0 GeV not reachable by the perturbative method at weak coupling. In order to take into account the non-perturbative effects, at tree level we use a massive Yang-Mills model for the Yang-...
[ { "created": "Tue, 21 May 2019 17:01:19 GMT", "version": "v1" }, { "created": "Tue, 29 Oct 2019 16:34:37 GMT", "version": "v2" } ]
2019-10-30
[ [ "Suenaga", "Daiki", "" ], [ "Kojo", "Toru", "" ] ]
We study the Landau gauge gluon propagators in dense two-color QCD at quark chemical potential, $\mu_q$, in the range from 0.5 to 1.0 GeV not reachable by the perturbative method at weak coupling. In order to take into account the non-perturbative effects, at tree level we use a massive Yang-Mills model for the Yang-Mi...
1511.00517
Igor O. Cherednikov
I.O. Cherednikov
Gauge-Invariant Gluon TMD and Evolution in the Coordinate Space
7 pages. Presented at the QCD Evolution Workshop, 26 - 30 May 2015, Jefferson Lab, Newport News (VA), USA
null
null
null
hep-ph hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Maximally path-dependent gauge-invariant operator definition of the gluon transverse-momentum dependent pdf (gTMD) is discussed. It is argued that the evolution equations for the gTMD in the coordinate representation can be derived from the equations of motion in the generalised loop space, whose elements are the had...
[ { "created": "Mon, 2 Nov 2015 14:31:01 GMT", "version": "v1" } ]
2015-11-03
[ [ "Cherednikov", "I. O.", "" ] ]
Maximally path-dependent gauge-invariant operator definition of the gluon transverse-momentum dependent pdf (gTMD) is discussed. It is argued that the evolution equations for the gTMD in the coordinate representation can be derived from the equations of motion in the generalised loop space, whose elements are the hadro...
0710.2185
Seung-il Nam
Ki-Seok Choi, Seung-il Nam, Atsushi Hosaka and Hyun-Chul Kim
A new nucleon resonance in eta photoproduction
6 pages, 16 figures, Talk given at International Workshop NSTAR2007, 5~8 Sep. 2007, Bonn, Germany, to appear in EPJ
null
10.1007/978-3-540-85144-8_36
PNU-NTG-12/2007,PNU-NuRI-12/2007,YITP-07-60,RCNP-Th07014
hep-ph
null
We present in this talk recent investigations on the nucleon-like resonance N*(1675) newly found in eta photoproduction by the GRAAL, Tohoku LNS-gamma and CB-ELSA collaborations. We focus on the production mechanism of the N*(1675), examining its spin and parity theoretically within the framework of the effective Lag...
[ { "created": "Thu, 11 Oct 2007 08:43:45 GMT", "version": "v1" } ]
2015-05-13
[ [ "Choi", "Ki-Seok", "" ], [ "Nam", "Seung-il", "" ], [ "Hosaka", "Atsushi", "" ], [ "Kim", "Hyun-Chul", "" ] ]
We present in this talk recent investigations on the nucleon-like resonance N*(1675) newly found in eta photoproduction by the GRAAL, Tohoku LNS-gamma and CB-ELSA collaborations. We focus on the production mechanism of the N*(1675), examining its spin and parity theoretically within the framework of the effective Lagra...
hep-ph/0011367
Grahame A. Blair
Grahame A. Blair
Reconstructing Supersymmetric Theories at the Linear Collider
4 pages, 3 figures, Proc. Linear Collider Workshop 2000, Fermilab
null
null
null
hep-ph
null
High precision measurements at the linear collider will allow a model- independent reconstruction of nature at high energy scales. The method of bottom-up extrapolation from the electroweak scale to the GUT scale is explained and both a universal minimal supergravity and a gaugino-mediated model are presented as exam...
[ { "created": "Wed, 29 Nov 2000 16:27:14 GMT", "version": "v1" } ]
2007-05-23
[ [ "Blair", "Grahame A.", "" ] ]
High precision measurements at the linear collider will allow a model- independent reconstruction of nature at high energy scales. The method of bottom-up extrapolation from the electroweak scale to the GUT scale is explained and both a universal minimal supergravity and a gaugino-mediated model are presented as exampl...
2203.00574
Bingrong Yu
Bingrong Yu, Shun Zhou
Spelling Out Leptonic CP Violation in the Language of Invariant Theory
7+5 pages, 2 tables, more discussions added, accepted for publication as a Letter in Phys. Rev. D
Phys. Rev. D 106 (2022), L051701
10.1103/PhysRevD.106.L051701
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In terms of flavor invariants, we establish the intimate connection between leptonic CP violation in the canonical seesaw model for neutrino masses and that in the seesaw effective field theory (SEFT). For the first time, we calculate the Hilbert series and explicitly construct the primary flavor invariants in the SE...
[ { "created": "Tue, 1 Mar 2022 15:52:57 GMT", "version": "v1" }, { "created": "Thu, 25 Aug 2022 06:19:27 GMT", "version": "v2" } ]
2022-09-13
[ [ "Yu", "Bingrong", "" ], [ "Zhou", "Shun", "" ] ]
In terms of flavor invariants, we establish the intimate connection between leptonic CP violation in the canonical seesaw model for neutrino masses and that in the seesaw effective field theory (SEFT). For the first time, we calculate the Hilbert series and explicitly construct the primary flavor invariants in the SEFT...
0711.4950
Olivier Leitner
Olivier Leitner (LNF-LPNHE), Benoit Loiseau (LPNHE), Jean-Pierre Dedonder (Paris U. VII), Bruno El-Bennich (Argonne National Laboratory)
The Ground Scalar Nonet and D Decays
7 pages, 3 figures. Talk given at XII Conference on Hadron Spectroscopy (HADRON 07) Frascati, Italy, 8-13 October 2007
null
null
null
hep-ph
null
A short review on light scalar mesons is performed both in experiment and theory. A naive model, constrained by D branching ratios, is derived in order to make predictions on the wave functions of the $f_0(600)$ and $a_0(980)$ mesons. This leads us to compute transition form factors between the pseudoscalar $B$ and s...
[ { "created": "Fri, 30 Nov 2007 14:58:12 GMT", "version": "v1" } ]
2007-12-03
[ [ "Leitner", "Olivier", "", "LNF-LPNHE" ], [ "Loiseau", "Benoit", "", "LPNHE" ], [ "Dedonder", "Jean-Pierre", "", "Paris U. VII" ], [ "El-Bennich", "Bruno", "", "Argonne National Laboratory" ] ]
A short review on light scalar mesons is performed both in experiment and theory. A naive model, constrained by D branching ratios, is derived in order to make predictions on the wave functions of the $f_0(600)$ and $a_0(980)$ mesons. This leads us to compute transition form factors between the pseudoscalar $B$ and sca...
2407.07529
Dan Hooper
Mathieu Gross and Dan Hooper
Kaluza-Klein Graviton Freeze-In and Big Bang Nucleosynthesis
12 pages, 6 figures
null
null
FERMILAB-PUB-24-0354-T
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
In models featuring extra spatial dimensions, particle collisions in the early universe can produce Kaluza-Klein gravitons. Such particles will later decay, potentially impacting the process of Big Bang nucleosynthesis. In this paper, we consider scenarios in which gravity is free to propagate throughout $n$ flat, co...
[ { "created": "Wed, 10 Jul 2024 10:34:08 GMT", "version": "v1" } ]
2024-07-11
[ [ "Gross", "Mathieu", "" ], [ "Hooper", "Dan", "" ] ]
In models featuring extra spatial dimensions, particle collisions in the early universe can produce Kaluza-Klein gravitons. Such particles will later decay, potentially impacting the process of Big Bang nucleosynthesis. In this paper, we consider scenarios in which gravity is free to propagate throughout $n$ flat, comp...
hep-ph/9712308
Robin Stuart
Robin G. Stuart (Randall Laboratory of Physics)
$O(N_f\alpha^2)$ Radiative Corrections in Low-Energy Electroweak Processes
4 pages LaTeX. 2 figures. Uses prhep97.sty, amsmath.sty and epsfig.sty. Talk presented at the International Europhysics Conference on High-Energy Physics, Jerusalem, Isreal, 19-26, August 1997
null
null
null
hep-ph
null
Of the the three best-measured electroweak observables, $\alpha$, $G_\mu$ and $M_Z$, the first two are extracted from low-energy processes. Both $G_\mu$ and $M_Z$ are now known to an accuracy of about 2 parts in $10^5$ and there is a proposal to improve the measurement of the muon lifetime by a factor of 10 in an exp...
[ { "created": "Mon, 8 Dec 1997 22:55:53 GMT", "version": "v1" } ]
2007-05-23
[ [ "Stuart", "Robin G.", "", "Randall Laboratory of Physics" ] ]
Of the the three best-measured electroweak observables, $\alpha$, $G_\mu$ and $M_Z$, the first two are extracted from low-energy processes. Both $G_\mu$ and $M_Z$ are now known to an accuracy of about 2 parts in $10^5$ and there is a proposal to improve the measurement of the muon lifetime by a factor of 10 in an exper...
1907.07306
Masanobu Yahiro Dr
Akihisa Miyahara, Masahiro Ishii, Hiroaki Kouno, Masanobu Yahiro
A hadron-quark hybrid model reliable for the EoS in $\mu_{B} \leq 400$ MeV
null
Phys. Rev. D 101, 076011 (2020)
10.1103/PhysRevD.101.076011
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a simple version of hadron-quark hybrid (HQH) model in the $\mu_B$--$T$ plain, where $T$ is temperature and $\mu_{B}$ is the baryon-number chemical potential. The model is composed of the independent-quark model for quark-gluon states and an improved version of excluded-volume hadron resonance gas (EV-HRG)...
[ { "created": "Wed, 17 Jul 2019 02:22:04 GMT", "version": "v1" }, { "created": "Tue, 24 Mar 2020 08:53:45 GMT", "version": "v2" }, { "created": "Wed, 1 Apr 2020 02:23:27 GMT", "version": "v3" } ]
2020-04-22
[ [ "Miyahara", "Akihisa", "" ], [ "Ishii", "Masahiro", "" ], [ "Kouno", "Hiroaki", "" ], [ "Yahiro", "Masanobu", "" ] ]
We present a simple version of hadron-quark hybrid (HQH) model in the $\mu_B$--$T$ plain, where $T$ is temperature and $\mu_{B}$ is the baryon-number chemical potential. The model is composed of the independent-quark model for quark-gluon states and an improved version of excluded-volume hadron resonance gas (EV-HRG) m...
1005.4786
Fatemeh Taghavi Shahri
F. Taghavi-Shahri, A. Mirjalili, M. M. Yazdanpanah
A new approach to calculate the gluon polarization
12 pages, 5 figures
Eur.Phys.J.C71:1590,2011
10.1140/epjc/s10052-011-1590-9
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We derive the Leading-Order master equation to extract the polarized gluon distribution G(x;Q^2) = x \deltag(x;Q^2) from polarized proton structure function, g1p(x;Q^2). By using a Laplace-transform technique, we solve the master equation and derive the polarized gluon distribution inside the proton. The test of accu...
[ { "created": "Wed, 26 May 2010 10:46:36 GMT", "version": "v1" } ]
2011-03-14
[ [ "Taghavi-Shahri", "F.", "" ], [ "Mirjalili", "A.", "" ], [ "Yazdanpanah", "M. M.", "" ] ]
We derive the Leading-Order master equation to extract the polarized gluon distribution G(x;Q^2) = x \deltag(x;Q^2) from polarized proton structure function, g1p(x;Q^2). By using a Laplace-transform technique, we solve the master equation and derive the polarized gluon distribution inside the proton. The test of accura...
hep-ph/0412079
Patricia Ball
Patricia Ball and Roman Zwicky
B_{d,s}->rho, omega, K*, phi Decay Form Factors from Light-Cone Sum Rules Revisited
44 pages
Phys.Rev.D71:014029,2005
10.1103/PhysRevD.71.014029
IPPP/04/74, TPI-MINN-04/39
hep-ph
null
We present an improved calculation of $B\to$ light vector form factors from light-cone sum rules, including one-loop radiative corrections to twist-2 and twist-3 contributions, and leading order twist-4 corrections. The total theoretical uncertainty of our results at zero momentum transfer is typically 10% and can be...
[ { "created": "Mon, 6 Dec 2004 12:19:00 GMT", "version": "v1" } ]
2008-11-26
[ [ "Ball", "Patricia", "" ], [ "Zwicky", "Roman", "" ] ]
We present an improved calculation of $B\to$ light vector form factors from light-cone sum rules, including one-loop radiative corrections to twist-2 and twist-3 contributions, and leading order twist-4 corrections. The total theoretical uncertainty of our results at zero momentum transfer is typically 10% and can be i...
2111.09614
Andre Hoang
Miguel A. Benitez-Rathgeb and Diogo Boito and Andre H. Hoang and Matthias Jamin
Reconciling the FOPT and CIPT Predictions for the Hadronic Tau Decay Rate
13 pages, 1 figure, proceedings contribution to the 16th International Workshop on Tau Lepton Physics
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In a recent work it was suggested that the discrepancy observed in the perturbation series behavior of the $\tau$ hadronic decay rate determined in the FOPT and CIPT approaches can be explained from a different infrared sensitivity inherent to both methods, assuming that the major source of the discrepancy is the asy...
[ { "created": "Thu, 18 Nov 2021 10:45:05 GMT", "version": "v1" } ]
2021-11-19
[ [ "Benitez-Rathgeb", "Miguel A.", "" ], [ "Boito", "Diogo", "" ], [ "Hoang", "Andre H.", "" ], [ "Jamin", "Matthias", "" ] ]
In a recent work it was suggested that the discrepancy observed in the perturbation series behavior of the $\tau$ hadronic decay rate determined in the FOPT and CIPT approaches can be explained from a different infrared sensitivity inherent to both methods, assuming that the major source of the discrepancy is the asymp...
1704.05419
Abdur Rehman
Ahmed Ali, Ishtiaq Ahmed, M. Jamil Aslam and Abdur Rehman
Mass spectrum of spin-1/2 pentaquarks with a $c\bar{c}$ component and their anticipated discovery modes in $b$-baryon decays
1 figure, 11 tables
null
null
DESY 17-057
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The LHCb discovery of the two baryonic states $P_c^+(4380)$ and $P_c^+(4450)$, having $J^{P}=3/2^-$ and $J^{P}=5/2^+$, respectively, in the process $pp \to b \bar{b} \to \Lambda_b X$, followed by the decay $\Lambda_b \to J/\psi\; p\; K^-$, has motivated a number of theoretical models. Interpreting them as compact $\{...
[ { "created": "Tue, 18 Apr 2017 16:47:36 GMT", "version": "v1" }, { "created": "Thu, 20 Apr 2017 13:06:59 GMT", "version": "v2" } ]
2017-04-21
[ [ "Ali", "Ahmed", "" ], [ "Ahmed", "Ishtiaq", "" ], [ "Aslam", "M. Jamil", "" ], [ "Rehman", "Abdur", "" ] ]
The LHCb discovery of the two baryonic states $P_c^+(4380)$ and $P_c^+(4450)$, having $J^{P}=3/2^-$ and $J^{P}=5/2^+$, respectively, in the process $pp \to b \bar{b} \to \Lambda_b X$, followed by the decay $\Lambda_b \to J/\psi\; p\; K^-$, has motivated a number of theoretical models. Interpreting them as compact $\{\b...
hep-ph/9906470
Alessandro Strumia
R. Barbieri, G. Ross and A. Strumia
Vacuum oscillations of quasi degenerate solar neutrinos
6 pages. Final version, more clear presentation
JHEP 9910:020,1999
10.1088/1126-6708/1999/10/020
IFUP-TH/32-99, OUTP-99-30P and SNS-PH/99-10
hep-ph
null
The atmospheric neutrino oscillations and the vacuum oscillation solution of the solar neutrino problem can be consistently described by a doubly or triply degenerate neutrino spectrum as long as the high level of degeneracy required is not spoiled by radiative corrections. We show that this is the case for neutrino ...
[ { "created": "Wed, 23 Jun 1999 14:56:09 GMT", "version": "v1" }, { "created": "Wed, 14 Jul 1999 14:50:35 GMT", "version": "v2" }, { "created": "Fri, 22 Oct 1999 17:00:11 GMT", "version": "v3" } ]
2009-10-31
[ [ "Barbieri", "R.", "" ], [ "Ross", "G.", "" ], [ "Strumia", "A.", "" ] ]
The atmospheric neutrino oscillations and the vacuum oscillation solution of the solar neutrino problem can be consistently described by a doubly or triply degenerate neutrino spectrum as long as the high level of degeneracy required is not spoiled by radiative corrections. We show that this is the case for neutrino ma...
hep-ph/9801215
Valera Lyubovitskij
V. E. Lyubovitskij (JINR, Dubna and Tomsk University), E. Z. Lipartia (JINR, Dubna and Tbilisi University), A. G. Rusetsky (JINR, Dubna and Tbilisi University)
Perturbative framework for the pi(+)pi(-) atom
8 pages, LaTeX-file
Pisma Zh.Eksp.Teor.Fiz. 66 (1997) 747; JETP Lett. 66 (1997) 783-788
10.1134/1.567598
null
hep-ph
null
The perturbative framework is developed for the calculation of the pi(+)pi(-) atom characteristics on the basis of the field-theoretical Bethe-Salpeter approach. A closed expression for the first-order correction to the pi(+)pi(-) atom lifetime has been obtained.
[ { "created": "Mon, 5 Jan 1998 11:17:56 GMT", "version": "v1" }, { "created": "Tue, 6 Jan 1998 18:03:36 GMT", "version": "v2" } ]
2009-10-31
[ [ "Lyubovitskij", "V. E.", "", "JINR, Dubna and Tomsk University" ], [ "Lipartia", "E. Z.", "", "JINR, Dubna and Tbilisi University" ], [ "Rusetsky", "A. G.", "", "JINR, Dubna and Tbilisi\n University" ] ]
The perturbative framework is developed for the calculation of the pi(+)pi(-) atom characteristics on the basis of the field-theoretical Bethe-Salpeter approach. A closed expression for the first-order correction to the pi(+)pi(-) atom lifetime has been obtained.
hep-ph/9512443
Ngee-Pong Chang
Ngee Pong Chang
Chirality in the Early Universe
6 pages, LaTeX. To appear in Proceedings of "International Conference on the Frontiers of Physics", Shantou, China, 5-9 August, 1995, to be published by World Scientific Publishers
null
null
CCNY-HEP-95-20
hep-ph
null
The early big bang is an alphabet soup of quarks, W bosons, gluons, and other exotic particles and flavors. In the usual scenario, there is no place for the pion. It dissociates in the alphabet soup of the early universe. I will show that this scenario is naive. The thermal vacuum is a far more complex state, and the...
[ { "created": "Sat, 30 Dec 1995 03:49:04 GMT", "version": "v1" } ]
2007-05-23
[ [ "Chang", "Ngee Pong", "" ] ]
The early big bang is an alphabet soup of quarks, W bosons, gluons, and other exotic particles and flavors. In the usual scenario, there is no place for the pion. It dissociates in the alphabet soup of the early universe. I will show that this scenario is naive. The thermal vacuum is a far more complex state, and the p...
hep-ph/9307282
Thomas Mannel
H. Anlauf, H. Dahmen, A. Himmler, P. Manakos and T. Mannel
Radiative Corrections to $W$ Pair Production at High Energies
Talk given at the "Workshop on Physics and Experiments with Linear e^+ e^- Colliders", Waikoloa, Hawaii, April 93, 4 pages, LaTeX, with 4 uuencoded figures (Encapsulated Postscript), requires epsf, IKDA 93/25
null
null
null
hep-ph
null
Radiative Corrections to $W$ Pair Production and effects of finite width of the $W$ bosons are studied using the Monte Carlo {\tt WOPPER}. As an example the influence of QED radiative corrections on the reconstruction of the $W$ helicities at LEP 200 and a future 500 GeV $e^+ e^-$ collider is discussed.
[ { "created": "Fri, 16 Jul 1993 11:53:35 GMT", "version": "v1" } ]
2007-05-23
[ [ "Anlauf", "H.", "" ], [ "Dahmen", "H.", "" ], [ "Himmler", "A.", "" ], [ "Manakos", "P.", "" ], [ "Mannel", "T.", "" ] ]
Radiative Corrections to $W$ Pair Production and effects of finite width of the $W$ bosons are studied using the Monte Carlo {\tt WOPPER}. As an example the influence of QED radiative corrections on the reconstruction of the $W$ helicities at LEP 200 and a future 500 GeV $e^+ e^-$ collider is discussed.
hep-ph/0307061
Francesco Becattini
F. Becattini, L. Ferroni (University and INFN Florence)
Statistical hadronization and hadronic microcanonical ensemble I
15 pages, LaTeX macros svjour.cls and svepj.clo needed, revised version to be published in Eur. Phys. J. C
Eur.Phys.J.C35:243-258,2004
10.1140/epjc/s2004-01850-1
DFF 07/2003
hep-ph
null
We present a full treatment of the microcanonical ensemble of the ideal hadron-resonance gas in a quantum-mechanical framework which is appropriate for the statistical model of hadronization. By using a suitable transition operator for hadronization we are able to recover the results of the statistical theory, partic...
[ { "created": "Fri, 4 Jul 2003 13:58:29 GMT", "version": "v1" }, { "created": "Fri, 30 Apr 2004 15:05:29 GMT", "version": "v2" } ]
2014-11-17
[ [ "Becattini", "F.", "", "University and INFN Florence" ], [ "Ferroni", "L.", "", "University and INFN Florence" ] ]
We present a full treatment of the microcanonical ensemble of the ideal hadron-resonance gas in a quantum-mechanical framework which is appropriate for the statistical model of hadronization. By using a suitable transition operator for hadronization we are able to recover the results of the statistical theory, particul...
2101.05192
Yohei Ema
Valerie Domcke, Yohei Ema, Kyohei Mukaida
Axion assisted Schwinger effect
18 pages + appendices, 5 figures
null
10.1007/JHEP05(2021)001
DESY 21-006, CERN-TH-2021-010
hep-ph astro-ph.CO cond-mat.mes-hall hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We point out an enhancement of the pair production rate of charged fermions in a strong electric field in the presence of time dependent classical axion-like background field, which we call axion assisted Schwinger effect. While the standard Schwinger production rate is proportional to $\exp(-\pi(m^2+p_T^2 )/E)$, wit...
[ { "created": "Wed, 13 Jan 2021 16:50:42 GMT", "version": "v1" } ]
2021-05-19
[ [ "Domcke", "Valerie", "" ], [ "Ema", "Yohei", "" ], [ "Mukaida", "Kyohei", "" ] ]
We point out an enhancement of the pair production rate of charged fermions in a strong electric field in the presence of time dependent classical axion-like background field, which we call axion assisted Schwinger effect. While the standard Schwinger production rate is proportional to $\exp(-\pi(m^2+p_T^2 )/E)$, with ...
1404.0293
Dmitri Melikhov
Wolfgang Lucha, Dmitri Melikhov, and Silvano Simula
Decay constants of the charmed vector mesons $D^*$ and $D^*_s$ from QCD sum rules
9 pages, published version
Phys.Lett.B735:12-18,2014
10.1016/j.physletb.2014.06.007
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a sum-rule calculation of the decay constants of the charmed vector mesons $D^*$ and $D^*_s$ from the two-point correlator of vector currents. First, we show that the perturbative expansion in terms of the pole mass exhibits no sign of convergence whereas the reorganization of this expansion in terms of th...
[ { "created": "Tue, 1 Apr 2014 16:08:20 GMT", "version": "v1" }, { "created": "Fri, 13 Jun 2014 08:04:35 GMT", "version": "v2" } ]
2014-06-16
[ [ "Lucha", "Wolfgang", "" ], [ "Melikhov", "Dmitri", "" ], [ "Simula", "Silvano", "" ] ]
We present a sum-rule calculation of the decay constants of the charmed vector mesons $D^*$ and $D^*_s$ from the two-point correlator of vector currents. First, we show that the perturbative expansion in terms of the pole mass exhibits no sign of convergence whereas the reorganization of this expansion in terms of the ...
1311.4410
Tom Banks
T. Banks
Dirac Gluinos in the Pyramid Scheme
11 pages, LaTeX2e
null
null
RUNHETC-2013-2; SCIPP-13/12
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I point out several terms in the low energy effective Lagrangian of the Pyramid Scheme, which were missed in a previous analysis of the phenomenological consequences of the model. They lead to a Dirac contribution to the gluino mass, much larger than the one loop Majorana mass. The gluino can thus be much heavier tha...
[ { "created": "Mon, 18 Nov 2013 14:46:21 GMT", "version": "v1" } ]
2013-11-19
[ [ "Banks", "T.", "" ] ]
I point out several terms in the low energy effective Lagrangian of the Pyramid Scheme, which were missed in a previous analysis of the phenomenological consequences of the model. They lead to a Dirac contribution to the gluino mass, much larger than the one loop Majorana mass. The gluino can thus be much heavier than ...
hep-ph/9902370
Iain Stewart
Thomas Mehen, Iain W. Stewart, and Mark B. Wise (Caltech)
Wigner symmetry in the limit of large scattering lengths
4 pages, 2 figs, minor typos and discussion regarding the number of three body operators corrected
Phys.Rev.Lett. 83 (1999) 931-934
10.1103/PhysRevLett.83.931
CALT-68-2213
hep-ph nucl-th
null
We note that in the limit where the NN 1S0 and 3S1 scattering lengths, a^(1S0) and a^(3S1), go to infinity, the leading terms in the effective field theory for strong NN interactions are invariant under Wigner's SU(4) spin-isospin symmetry. This explains why the leading effects of radiation pions on the S-wave NN sca...
[ { "created": "Tue, 16 Feb 1999 19:47:30 GMT", "version": "v1" }, { "created": "Mon, 1 Mar 1999 21:41:57 GMT", "version": "v2" } ]
2009-10-31
[ [ "Mehen", "Thomas", "", "Caltech" ], [ "Stewart", "Iain W.", "", "Caltech" ], [ "Wise", "Mark B.", "", "Caltech" ] ]
We note that in the limit where the NN 1S0 and 3S1 scattering lengths, a^(1S0) and a^(3S1), go to infinity, the leading terms in the effective field theory for strong NN interactions are invariant under Wigner's SU(4) spin-isospin symmetry. This explains why the leading effects of radiation pions on the S-wave NN scatt...
1310.0914
Michal Malinsky
Michal Malinsk\'y, Carolina Arbel\'aez Rodr\'iguez, Helena Kole\v{s}ov\'a
Witten's loop in the flipped SU(5) unification
8 pages, 5 figures, prepared for the proceedings of the CETUP* 2013 program (Neutrino Physics and Astrophysics session: July 15 - July 26, 2013), Lead, South Dakota
null
10.1063/1.4883437
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study a very simple, yet potentially realistic renormalizable flipped SU(5) scenario in which the right-handed neutrino masses are generated at very high energies by means of a two-loop diagram similar to that identified by E. Witten in the early 1980's in the SO(10) GUT framework. This mechanism leaves its traces...
[ { "created": "Thu, 3 Oct 2013 07:25:27 GMT", "version": "v1" } ]
2015-06-17
[ [ "Malinský", "Michal", "" ], [ "Rodríguez", "Carolina Arbeláez", "" ], [ "Kolešová", "Helena", "" ] ]
We study a very simple, yet potentially realistic renormalizable flipped SU(5) scenario in which the right-handed neutrino masses are generated at very high energies by means of a two-loop diagram similar to that identified by E. Witten in the early 1980's in the SO(10) GUT framework. This mechanism leaves its traces i...
2203.09512
Spencer Chang
Fayez Abu-Ajamieh, Spencer Chang, Miranda Chen, Da Liu, and Markus A. Luty
Snowmass 2021 White Paper: Higgs Coupling Sensitivities and Model-Independent Bounds on the Scale of New Physics
v2, 5 pages, added Muon Collider numbers, 2 added plots, contribution to Snowmass 2021
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this Snowmass white paper, we describe how unitarity bounds can convert sensitivities for Higgs couplings at future colliders into sensitivities to the scale of new physics. This gives a model-independent consequence of improving these sensitivities and illustrate the impact they would have on constraining new phy...
[ { "created": "Thu, 17 Mar 2022 17:58:41 GMT", "version": "v1" }, { "created": "Fri, 1 Apr 2022 17:28:15 GMT", "version": "v2" } ]
2022-04-04
[ [ "Abu-Ajamieh", "Fayez", "" ], [ "Chang", "Spencer", "" ], [ "Chen", "Miranda", "" ], [ "Liu", "Da", "" ], [ "Luty", "Markus A.", "" ] ]
In this Snowmass white paper, we describe how unitarity bounds can convert sensitivities for Higgs couplings at future colliders into sensitivities to the scale of new physics. This gives a model-independent consequence of improving these sensitivities and illustrate the impact they would have on constraining new physi...
hep-ph/9603223
Francisco del Aguila
F. del Aguila, M. Zralek
CP Phases in Models with Some Fermion Masses Vanishing and/or Degenerate
16 pages, no figures. Full postscript file available at: http://deneb.ugr.es/preprints/ugft58.ps
Acta Phys.Polon. B27 (1996) 971-984
null
UG-FT-58/96, TP-USL/96/08
hep-ph
null
We count the number of CP breaking phases in models with $SU(2)_L\times U(1)_Y$ and $SU(2)_L\times SU(2)_R\times U(1)_{B-L}$ electroweak gauge groups and extended matter contents with some fermion masses vanishing and/or degenerate. Quarks and leptons, including Majorana neutrinos, are treated in a similar way. CP vi...
[ { "created": "Tue, 5 Mar 1996 11:17:41 GMT", "version": "v1" } ]
2007-05-23
[ [ "del Aguila", "F.", "" ], [ "Zralek", "M.", "" ] ]
We count the number of CP breaking phases in models with $SU(2)_L\times U(1)_Y$ and $SU(2)_L\times SU(2)_R\times U(1)_{B-L}$ electroweak gauge groups and extended matter contents with some fermion masses vanishing and/or degenerate. Quarks and leptons, including Majorana neutrinos, are treated in a similar way. CP viol...
0712.1053
Giorgio Torrieri
Jorge Noronha, Giorgio Torrieri, Miklos Gyulassy
Near Zone Navier-Stokes Analysis of Heavy Quark Jet Quenching in an $\mathcal{N}$ =4 SYM Plasma
new revised version, 11 figures, as published in PRC
Phys.Rev.C78:024903,2008
10.1103/PhysRevC.78.024903
null
hep-ph hep-th nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The near zone energy-momentum tensor of a supersonic heavy quark jet moving through a strongly-coupled $\mathcal{N}=4$ SYM plasma is analyzed in terms of first-order Navier-Stokes hydrodynamics. It is shown that the hydrodynamical description of the near quark region worsens with increasing quark velocities. For real...
[ { "created": "Thu, 6 Dec 2007 22:07:35 GMT", "version": "v1" }, { "created": "Mon, 18 Feb 2008 13:59:05 GMT", "version": "v2" }, { "created": "Mon, 15 Sep 2008 14:41:44 GMT", "version": "v3" } ]
2008-11-26
[ [ "Noronha", "Jorge", "" ], [ "Torrieri", "Giorgio", "" ], [ "Gyulassy", "Miklos", "" ] ]
The near zone energy-momentum tensor of a supersonic heavy quark jet moving through a strongly-coupled $\mathcal{N}=4$ SYM plasma is analyzed in terms of first-order Navier-Stokes hydrodynamics. It is shown that the hydrodynamical description of the near quark region worsens with increasing quark velocities. For realis...
hep-ph/0612237
Seong Youl Choi
S.Y. Choi, K. Hagiwara, Y.G. Kim, K. Mawatari, P.M. Zerwas
$\tau$ Polarization in SUSY Cascade Decays
11 pages, 4 figures, axodraw.sty used
Phys.Lett.B648:207-212,2007
10.1016/j.physletb.2007.02.068
DESY 06-237, KEK-TH-1124, KIAS-P06063
hep-ph hep-ex
null
$\tau$ leptons emitted in cascade decays of supersymmetric particles are polarized. The polarization may be exploited to determine spin and mixing properties of the neutralinos and stau particles involved.
[ { "created": "Tue, 19 Dec 2006 19:44:49 GMT", "version": "v1" } ]
2008-11-26
[ [ "Choi", "S. Y.", "" ], [ "Hagiwara", "K.", "" ], [ "Kim", "Y. G.", "" ], [ "Mawatari", "K.", "" ], [ "Zerwas", "P. M.", "" ] ]
$\tau$ leptons emitted in cascade decays of supersymmetric particles are polarized. The polarization may be exploited to determine spin and mixing properties of the neutralinos and stau particles involved.
hep-ph/0212165
Masakiyo Kitazawa
M. Kitazawa, T. Koide, T. Kunihiro, Y. Nemoto
Effects of Vector Coupling on Chiral and Color-superconducting Phase Transitions -- interplay among the scalar, pairing and vector interaction --
4 pages, 6 figures, Talk presented at the XVIth International Conference on Particles and Nuclei (PANIC02), Osaka, Japan, Sep.30 - Oct.4, 2002, Uses espcrc1.sty
Nucl.Phys. A721 (2003) 289-292
10.1016/S0375-9474(03)01052-2
null
hep-ph
null
We investigate effects of the vector interaction appearing in chiral effective Lagrangians on the chiral and color superconducting (CSC) phase transitions using Nambu-Jona-Lasinio model. It is shown that the repulsive density-density interaction coming from the vector term enhances competition between the chiral symm...
[ { "created": "Thu, 12 Dec 2002 00:31:46 GMT", "version": "v1" } ]
2009-11-07
[ [ "Kitazawa", "M.", "" ], [ "Koide", "T.", "" ], [ "Kunihiro", "T.", "" ], [ "Nemoto", "Y.", "" ] ]
We investigate effects of the vector interaction appearing in chiral effective Lagrangians on the chiral and color superconducting (CSC) phase transitions using Nambu-Jona-Lasinio model. It is shown that the repulsive density-density interaction coming from the vector term enhances competition between the chiral symmer...
0806.4841
Severine Ovyn
S. Ovyn and J. de Favereau de Jeneret
High energy single top photoproduction at the LHC
8 pages, 5 tables, 1 figure. Presented at the International Workshop on Top Quark Physics (TOP2008), La Biodola, Isola d'Elba, Italy, May 2008. To be published in "Il nuovo cimento"
Nuovo Cim.B123:1126-1133,2008
10.1393/ncb/i2008-10684-5
CP3-08-28
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
High-energy photon-proton interactions at the LHC offer interesting possibilities for the study of top properties. Using a fast simulation of a LHC-like detector, first results on the measurement of the |V_{tb}| matrix element using Wt photoproduction are presented. Anomalous photoproduction of single top due to Flav...
[ { "created": "Mon, 30 Jun 2008 09:54:11 GMT", "version": "v1" } ]
2010-11-11
[ [ "Ovyn", "S.", "" ], [ "de Jeneret", "J. de Favereau", "" ] ]
High-energy photon-proton interactions at the LHC offer interesting possibilities for the study of top properties. Using a fast simulation of a LHC-like detector, first results on the measurement of the |V_{tb}| matrix element using Wt photoproduction are presented. Anomalous photoproduction of single top due to Flavou...
hep-ph/9912278
Peter John
S.J. Huber, P. John, M. Laine and M.G. Schmidt
CP Violating Bubble Wall Profiles
null
Phys.Lett.B475:104-110,2000
10.1016/S0370-2693(00)00064-2
null
hep-ph
null
We solve the equations of motion for a CP violating phase between the two Higgs doublets at the bubble wall of the MSSM electroweak phase transition. Contrary to earlier suggestions, we do not find indications of spontaneous ``transitional'' CP violation in the MSSM. On the other hand, in case there is explicit CP vi...
[ { "created": "Thu, 9 Dec 1999 14:02:59 GMT", "version": "v1" } ]
2014-11-17
[ [ "Huber", "S. J.", "" ], [ "John", "P.", "" ], [ "Laine", "M.", "" ], [ "Schmidt", "M. G.", "" ] ]
We solve the equations of motion for a CP violating phase between the two Higgs doublets at the bubble wall of the MSSM electroweak phase transition. Contrary to earlier suggestions, we do not find indications of spontaneous ``transitional'' CP violation in the MSSM. On the other hand, in case there is explicit CP viol...
1209.3143
Leandro Cieri
Leandro Cieri
Diphoton production at Next-to-Next-to-Leading-Order
4 pages, 3 figures, to appear in the proceedings of the 16th International Conference in Quantum Chromodynamics (QCD2012), Montpellier, July 2012. arXiv admin note: text overlap with arXiv:1207.3252
null
10.1016/j.nuclphysbps.2012.11.007
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the qT subtraction formalism and it is implemented in a parton level Monte Carlo program, which allows the user to apply arbi...
[ { "created": "Fri, 14 Sep 2012 10:02:10 GMT", "version": "v1" } ]
2015-06-11
[ [ "Cieri", "Leandro", "" ] ]
We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the qT subtraction formalism and it is implemented in a parton level Monte Carlo program, which allows the user to apply arbitr...
0811.1599
Lorenzo Ubaldi
Lorenzo Ubaldi
Effects of theta on the deuteron binding energy and the triple-alpha process
17 pages, 7 figures, references added
Phys.Rev.D81:025011,2010
10.1103/PhysRevD.81.025011
SCIPP 2008/12
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the effects that a non zero strong-CP-violating parameter theta would have on the deuteron and diproton binding energies and on the triple-alpha process. Both these systems exhibit fine tuning, so it is plausible that a small change in the nuclear force would produce catastrophic consequences. Such a nuclear...
[ { "created": "Mon, 10 Nov 2008 22:34:20 GMT", "version": "v1" }, { "created": "Fri, 21 Aug 2009 00:49:35 GMT", "version": "v2" } ]
2010-04-06
[ [ "Ubaldi", "Lorenzo", "" ] ]
We study the effects that a non zero strong-CP-violating parameter theta would have on the deuteron and diproton binding energies and on the triple-alpha process. Both these systems exhibit fine tuning, so it is plausible that a small change in the nuclear force would produce catastrophic consequences. Such a nuclear f...
2212.08404
Arunansu Sil
Soumen Kumar Manna and Arunansu Sil
Majorons Revisited: light dark matter as FIMP
Version to appear in PRD
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
We show that Majoron, the pseudo-Nambu-Goldstone boson resulting from the spontaneous breaking of global lepton number symmetry, can present itself as a viable freeze-in type of dark matter in a mass range keV-GeV, thanks to the explicit higher dimensional Lepton number breaking operator. Interestingly, the proposal ...
[ { "created": "Fri, 16 Dec 2022 10:59:38 GMT", "version": "v1" }, { "created": "Tue, 10 Oct 2023 07:35:38 GMT", "version": "v2" } ]
2023-10-11
[ [ "Manna", "Soumen Kumar", "" ], [ "Sil", "Arunansu", "" ] ]
We show that Majoron, the pseudo-Nambu-Goldstone boson resulting from the spontaneous breaking of global lepton number symmetry, can present itself as a viable freeze-in type of dark matter in a mass range keV-GeV, thanks to the explicit higher dimensional Lepton number breaking operator. Interestingly, the proposal is...
2108.09222
J\'er\'emie Quarroz
Christian Br{\o}nnum-Hansen, Kirill Melnikov, J\'er\'emie Quarroz, Chen-Yu Wang
On non-factorisable contributions to $t$-channel single-top production
null
null
10.1007/JHEP11(2021)130
TTP21-027, P3H-21-057
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We compute the non-factorisable contribution to the two-loop helicity amplitude for $t$-channel single-top production, the last missing piece of the two-loop virtual corrections to this process. Our calculation employs analytic reduction to master integrals and the auxiliary mass flow method for their fast numerical ...
[ { "created": "Fri, 20 Aug 2021 15:28:51 GMT", "version": "v1" } ]
2021-12-01
[ [ "Brønnum-Hansen", "Christian", "" ], [ "Melnikov", "Kirill", "" ], [ "Quarroz", "Jérémie", "" ], [ "Wang", "Chen-Yu", "" ] ]
We compute the non-factorisable contribution to the two-loop helicity amplitude for $t$-channel single-top production, the last missing piece of the two-loop virtual corrections to this process. Our calculation employs analytic reduction to master integrals and the auxiliary mass flow method for their fast numerical ev...
hep-ph/9501353
Stuart Raby
Stuart Raby
Fermion Masses and SO(10) SUSY GUTs
Talk presented at the Warsaw-Boston Workshop on Physics from Planck Scale to Electro-Weak Scale, Warsaw, Poland, September 1994. 22 pages, latex, 12 figures are not included. They can be obtained upon request to raby@mps.ohio-state.edu.
null
null
OHSTPY-HEP-T-95-001
hep-ph
null
In this talk I summarize published work on a systematic operator analysis for fermion masses in a class of effective supersymmetric SO(10) GUTs\cite{adhrs}~\footnote{This work is in collaboration with G. Anderson, S. Dimopoulos, L.J. Hall, and G. Starkman.}. Given a minimal set of four operators at $M_G$, we have jus...
[ { "created": "Fri, 20 Jan 1995 21:33:14 GMT", "version": "v1" } ]
2016-09-01
[ [ "Raby", "Stuart", "" ] ]
In this talk I summarize published work on a systematic operator analysis for fermion masses in a class of effective supersymmetric SO(10) GUTs\cite{adhrs}~\footnote{This work is in collaboration with G. Anderson, S. Dimopoulos, L.J. Hall, and G. Starkman.}. Given a minimal set of four operators at $M_G$, we have just ...
2208.03845
Wayne de Paula
R.M. Moita, J.P.B.C. de Melo, T. Frederico, W. de Paula
Pion inspired by QCD: Nakanishi and Light-Front Integral Representations
null
Phys. Rev. D 106, 016016, 2022
10.1103/PhysRevD.106.016016
null
hep-ph hep-th nucl-th
http://creativecommons.org/licenses/by/4.0/
The pion structure in Minkowski space is explored using the Nakanishi integral representation. A general framework is developed for the pion Bethe-Salpeter amplitude based on the Kallen-Lehmann representation of the dressed quarks with an ansatz for the pseudo-scalar $\pi-q\bar q$ vertex fulfilling the axial Ward-Tak...
[ { "created": "Sun, 7 Aug 2022 23:53:21 GMT", "version": "v1" } ]
2022-08-09
[ [ "Moita", "R. M.", "" ], [ "de Melo", "J. P. B. C.", "" ], [ "Frederico", "T.", "" ], [ "de Paula", "W.", "" ] ]
The pion structure in Minkowski space is explored using the Nakanishi integral representation. A general framework is developed for the pion Bethe-Salpeter amplitude based on the Kallen-Lehmann representation of the dressed quarks with an ansatz for the pseudo-scalar $\pi-q\bar q$ vertex fulfilling the axial Ward-Takah...
1601.01676
Inanc Sahin
I. Sahin
Semi-elastic cross section for a scalar resonance of mass 750 GeV
a new figure and references added
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We assume that the recently reported excess over Standard Model expectations in the diphoton production is originated from a new scalar boson phi which interacts with photons through the coupling proportional to phi F^2. We obtain the cross section for semi-elastic production process pp-> p gamma p-> p phi q X by con...
[ { "created": "Thu, 7 Jan 2016 15:10:04 GMT", "version": "v1" }, { "created": "Wed, 20 Jan 2016 14:18:58 GMT", "version": "v2" } ]
2016-01-21
[ [ "Sahin", "I.", "" ] ]
We assume that the recently reported excess over Standard Model expectations in the diphoton production is originated from a new scalar boson phi which interacts with photons through the coupling proportional to phi F^2. We obtain the cross section for semi-elastic production process pp-> p gamma p-> p phi q X by consi...
hep-ph/9209260
null
X. G. He, J. P. Ma and B. H. J. McKellar
CP Violating Form Factors for Three Gauge Boson Vertex in the Two Higgs Doublet and Left-Right symmetric Models
9 pages, Tex, UM-P-92/75, OZ-92/26
Phys.Lett.B304:285-290,1993
10.1016/0370-2693(93)90296-T
null
hep-ph
null
In this paper we calculate the one loop contributions to the CP violating three gauge boson couplings in two-Higgs doublet and Left--Right symmetric models. In the two-Higgs doublet model only a P conserving and CP violating coupling is generated, and it can be large as $10^{-3}$. In the Left--Right symmetric model b...
[ { "created": "Mon, 21 Sep 1992 05:52:27 GMT", "version": "v1" } ]
2010-11-01
[ [ "He", "X. G.", "" ], [ "Ma", "J. P.", "" ], [ "McKellar", "B. H. J.", "" ] ]
In this paper we calculate the one loop contributions to the CP violating three gauge boson couplings in two-Higgs doublet and Left--Right symmetric models. In the two-Higgs doublet model only a P conserving and CP violating coupling is generated, and it can be large as $10^{-3}$. In the Left--Right symmetric model bot...
hep-ph/9404342
null
H. Baer, J. Sender and X. Tata
The Search for Top Squarks at the Fermilab Tevatron Collider
18 pages (REVTEX) plus 10 uuencoded figures attached, preprint nos. FSU-HEP-940430 and UH-511-788-94
Phys.Rev. D50 (1994) 4517-4528
10.1103/PhysRevD.50.4517
null
hep-ph
null
The lighter superpartner of the top quark ($\tt_1$) may be considerably lighter than squarks of the first two generations, and hence may be accessible to Tevatron collider searches, even if the other squarks and the gluino are too heavy. For the range of $m_{\tt_1}$ of interest at the Tevatron, the $\tt_1$ decays to ...
[ { "created": "Wed, 27 Apr 1994 03:55:43 GMT", "version": "v1" } ]
2009-10-28
[ [ "Baer", "H.", "" ], [ "Sender", "J.", "" ], [ "Tata", "X.", "" ] ]
The lighter superpartner of the top quark ($\tt_1$) may be considerably lighter than squarks of the first two generations, and hence may be accessible to Tevatron collider searches, even if the other squarks and the gluino are too heavy. For the range of $m_{\tt_1}$ of interest at the Tevatron, the $\tt_1$ decays to a ...
hep-ph/9903249
Paolo Gambino
P. Gambino, A. Sirlin, and G. Weiglein
Test of the Heavy Top Expansion in the Evaluation of MW and sin^2theta_eff
11 pages, no figure
JHEP 9904 (1999) 025
10.1088/1126-6708/1999/04/025
TUM-HEP-342/99, MPI-PhT/99-06, KA-TP-3-1999
hep-ph
null
In order to test the accuracy of the Heavy Top-mass Expansion (HTE) employed in recent two-loop calculations of MW and sin^2theta_eff, we consider their contributions to subtracted quantities of the form MW_sub=MW(mh)-MW(mh0), where mh0 is a reference point. The results are compared with those obtained by a precise n...
[ { "created": "Wed, 3 Mar 1999 16:55:11 GMT", "version": "v1" } ]
2009-10-31
[ [ "Gambino", "P.", "" ], [ "Sirlin", "A.", "" ], [ "Weiglein", "G.", "" ] ]
In order to test the accuracy of the Heavy Top-mass Expansion (HTE) employed in recent two-loop calculations of MW and sin^2theta_eff, we consider their contributions to subtracted quantities of the form MW_sub=MW(mh)-MW(mh0), where mh0 is a reference point. The results are compared with those obtained by a precise num...
2108.10524
Stathes D. Paganis
Xing-Fu Su, You-Ying Li, Rosy Nicolaidou, Min Chen, Hsin-Yeh Wu and Stathes Paganis
High $P_T$ Higgs excess as a signal of non-local QFT at the LHC
Published in EPJC
Eur. Phys. J. C 81, 796 (2021)
10.1140/epjc/s10052-021-09577-9
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Non-local extensions of the Standard Model with a non-locality scale $\Lambda_{NL}$ have the effect of smearing the pointlike vertices of the Standard Model. At energies significantly lower than $\Lambda_{NL}$ vertices appear pointlike, while beyond this scale all beta functions vanish and all couplings approach a fi...
[ { "created": "Tue, 24 Aug 2021 05:06:56 GMT", "version": "v1" }, { "created": "Wed, 8 Sep 2021 02:46:19 GMT", "version": "v2" }, { "created": "Fri, 24 Sep 2021 05:53:44 GMT", "version": "v3" } ]
2021-09-30
[ [ "Su", "Xing-Fu", "" ], [ "Li", "You-Ying", "" ], [ "Nicolaidou", "Rosy", "" ], [ "Chen", "Min", "" ], [ "Wu", "Hsin-Yeh", "" ], [ "Paganis", "Stathes", "" ] ]
Non-local extensions of the Standard Model with a non-locality scale $\Lambda_{NL}$ have the effect of smearing the pointlike vertices of the Standard Model. At energies significantly lower than $\Lambda_{NL}$ vertices appear pointlike, while beyond this scale all beta functions vanish and all couplings approach a fixe...
1312.4178
Vsevolod Orlovsky
V.D. Orlovsky and Yu.A. Simonov
Quark mass dependence of the QCD temperature transition in magnetic fields
14 pages, 2 figures
Phys. Rev. D 89, 074034 (2014)
10.1103/PhysRevD.89.074034
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Vacuum energy of quarks participates in the pressure balance at the temperature transition T_c and defines the dependence of T_c on m_q. We first check this dependence in absence of magnetic fields eB vs known lattice data, and then take into account the known strong dependence of the quark condensate on eB. The resu...
[ { "created": "Sun, 15 Dec 2013 18:33:03 GMT", "version": "v1" } ]
2014-04-23
[ [ "Orlovsky", "V. D.", "" ], [ "Simonov", "Yu. A.", "" ] ]
Vacuum energy of quarks participates in the pressure balance at the temperature transition T_c and defines the dependence of T_c on m_q. We first check this dependence in absence of magnetic fields eB vs known lattice data, and then take into account the known strong dependence of the quark condensate on eB. The result...
1512.06166
Vasiliki Mitsou
Vasiliki A. Mitsou (U. Valencia, IFIC)
Conciliating SUSY with the Z-peaked excess
12 pages, 10 figures; Invited plenary talk in 4th International Conference on New Frontiers in Physics (ICNFP 2015), 23-30 Aug 2015, Kolymbari, Greece; based on arXiv:1503.04184
EPJ Web Conf. 126 (2016) 02021
10.1051/epjconf/201612602021
IFIC/15-93
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The ATLAS experiment observed an excess at the $3\sigma$ level in the channel of $Z$ boson, jets and high missing transverse momentum in the full 2012 dataset at 8 TeV while searching for SUSY. The question arises whether the abundance and the kinematical features of this excess are compatible with the yet unconstrai...
[ { "created": "Sat, 19 Dec 2015 00:12:58 GMT", "version": "v1" } ]
2016-11-29
[ [ "Mitsou", "Vasiliki A.", "", "U. Valencia, IFIC" ] ]
The ATLAS experiment observed an excess at the $3\sigma$ level in the channel of $Z$ boson, jets and high missing transverse momentum in the full 2012 dataset at 8 TeV while searching for SUSY. The question arises whether the abundance and the kinematical features of this excess are compatible with the yet unconstraine...
1711.00067
James Ingoldby
Thomas Appelquist, James Ingoldby, Maurizio Piai
Analysis of a Dilaton EFT for Lattice Data
16 pages, 6 figures, Typos corrected and acknowledgement added. Version accepted for publication at JHEP
null
10.1007/JHEP03(2018)039
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In a recent paper, we developed and applied a dilaton-based effective field theory (EFT) to the analysis of lattice-simulation data for a class of confining gauge theories with near-conformal infrared behavior. It was employed there at the classical level to the SU(3) gauge theory with eight Dirac fermions in the fun...
[ { "created": "Tue, 31 Oct 2017 19:33:43 GMT", "version": "v1" }, { "created": "Tue, 27 Feb 2018 03:46:44 GMT", "version": "v2" }, { "created": "Thu, 8 Mar 2018 21:31:25 GMT", "version": "v3" } ]
2018-03-12
[ [ "Appelquist", "Thomas", "" ], [ "Ingoldby", "James", "" ], [ "Piai", "Maurizio", "" ] ]
In a recent paper, we developed and applied a dilaton-based effective field theory (EFT) to the analysis of lattice-simulation data for a class of confining gauge theories with near-conformal infrared behavior. It was employed there at the classical level to the SU(3) gauge theory with eight Dirac fermions in the funda...
hep-ph/9806262
David John Summers
David J. Summers (Univ. of Cambridge)
What does the W p_T distribution tell us about the W + 1 jet / W + 0 jet ratio at the Tevatron ?
6 pages, 5 1/2 figures, Contribution to ``QCD and High Energy Hadronic Interactions'', Moriond, Les Arcs, March 21-28, 1998
null
null
Cavendish-HEP-98/09
hep-ph hep-ex
null
We show that the W p_T distribution measured by D0 at the Tevatron agrees well with the NLO QCD theoretical prediction for this quantity, whilst the W + 1 jet/ W + 0 jet ratio, R^10, measured by D0 lies significantly above the NLO QCD theoretical prediction. We derive an approximate relationship between these two qua...
[ { "created": "Thu, 4 Jun 1998 15:29:58 GMT", "version": "v1" } ]
2007-05-23
[ [ "Summers", "David J.", "", "Univ. of Cambridge" ] ]
We show that the W p_T distribution measured by D0 at the Tevatron agrees well with the NLO QCD theoretical prediction for this quantity, whilst the W + 1 jet/ W + 0 jet ratio, R^10, measured by D0 lies significantly above the NLO QCD theoretical prediction. We derive an approximate relationship between these two quant...
1708.08284
Claudia Uebler
Claudia Uebler, Andreas Sch\"afer, Werner Vogelsang
Direct- and Resolved-Photon Threshold Resummation for Polarized High-$p_T$ Hadron Production at COMPASS
11 pages, 9 figures
Phys. Rev. D 96, 074026 (2017)
10.1103/PhysRevD.96.074026
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We complete our earlier study of the "direct" part of the cross section and spin asymmetry for the photoproduction process $\gamma N\rightarrow h X$ by analysing the "resolved" contribution, for which the photon couples like a hadron through its parton structure. The incident photon and nucleon are longitudinally pol...
[ { "created": "Mon, 28 Aug 2017 12:16:51 GMT", "version": "v1" } ]
2017-11-01
[ [ "Uebler", "Claudia", "" ], [ "Schäfer", "Andreas", "" ], [ "Vogelsang", "Werner", "" ] ]
We complete our earlier study of the "direct" part of the cross section and spin asymmetry for the photoproduction process $\gamma N\rightarrow h X$ by analysing the "resolved" contribution, for which the photon couples like a hadron through its parton structure. The incident photon and nucleon are longitudinally polar...
hep-ph/9702370
Vladimir A. Saleev
V.A.Saleev
Lambda_b polarization in the Z boson decays
LaTeX, 8 pages plus 6 figures using psfig.sty
Phys.Lett. B426 (1998) 384-392
10.1016/S0370-2693(98)00248-2
SSU-HEP-97/1. Talk was presented at QFTHEP-97, Samara, September 1997
hep-ph
null
In the framework of the perturbative QCD and the diquark model of baryons we have obtained the fragmentation functions for heavy quark that split into polarized Lambda_b baryons. We predict the longitudinal polarization asymmetry for the prompt Lambda_b produced in electron-positron annihilation at the Z resonance an...
[ { "created": "Wed, 19 Feb 1997 14:10:51 GMT", "version": "v1" }, { "created": "Thu, 20 Feb 1997 14:22:45 GMT", "version": "v2" }, { "created": "Tue, 20 Jan 1998 13:36:06 GMT", "version": "v3" } ]
2016-09-06
[ [ "Saleev", "V. A.", "" ] ]
In the framework of the perturbative QCD and the diquark model of baryons we have obtained the fragmentation functions for heavy quark that split into polarized Lambda_b baryons. We predict the longitudinal polarization asymmetry for the prompt Lambda_b produced in electron-positron annihilation at the Z resonance and ...
hep-ph/9607445
Andrei Afanas'ev
Andrei Afanasev (Jefferson Lab and Hampton U.), W.W. Buck (Hampton U.)
Form Factors of Kaon Semileptonic Decays
LaTeX, 3 pages, no figures, requires sprocl.sty
null
null
JLAB-96-17
hep-ph
null
A calculation of the semi--leptonic decays of the kaon ($K_{l3}$) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, Gross. The weak form factors for $K_{l3}$ are predicted with absolutely no parameter adjustments of the model. We obtained for t...
[ { "created": "Fri, 26 Jul 1996 19:14:10 GMT", "version": "v1" } ]
2007-05-23
[ [ "Afanasev", "Andrei", "", "Jefferson Lab and Hampton U." ], [ "Buck", "W. W.", "", "Hampton U." ] ]
A calculation of the semi--leptonic decays of the kaon ($K_{l3}$) is presented. The results are direct predictions of a covariant model of the pion and kaon introduced earlier by Ito, Buck, Gross. The weak form factors for $K_{l3}$ are predicted with absolutely no parameter adjustments of the model. We obtained for the...
2201.04791
Masanori Tanaka
Shinya Kanemura, Masanori Tanaka
Strongly first-order electroweak phase transition by relatively heavy additional Higgs bosons
24 pages, 5 figures, Version accepted for publication in Phys. Rev. D
null
10.1103/PhysRevD.106.035012
OU-HET 1117
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
We discuss first-order electroweak phase transition in models with extended Higgs sectors for the case with relatively heavy additional scalar bosons. We first show that, by the combination of the sphaleron decoupling condition, perturbative unitarity and vacuum stability, mass upper bounds on additional scalar boson...
[ { "created": "Thu, 13 Jan 2022 05:00:59 GMT", "version": "v1" }, { "created": "Thu, 14 Apr 2022 08:50:50 GMT", "version": "v2" }, { "created": "Wed, 24 Aug 2022 04:39:28 GMT", "version": "v3" } ]
2022-08-31
[ [ "Kanemura", "Shinya", "" ], [ "Tanaka", "Masanori", "" ] ]
We discuss first-order electroweak phase transition in models with extended Higgs sectors for the case with relatively heavy additional scalar bosons. We first show that, by the combination of the sphaleron decoupling condition, perturbative unitarity and vacuum stability, mass upper bounds on additional scalar bosons ...
1502.02667
Christopher Savage
Christopher Savage, Andre Scaffidi, Martin White, Anthony G. Williams
LUX likelihood and limits on spin-independent and spin-dependent WIMP couplings with LUXCalc
16 pages, 6 figures. Software package included as ancillary files. v2: added references, Baksan limits. v3: clarifications and small corrections, results unchanged
Phys. Rev. D 92, 103519 (2015)
10.1103/PhysRevD.92.103519
ADP-15-7/T909, NORDITA-2015-15
hep-ph astro-ph.IM physics.data-an
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present LUXCalc, a new utility for calculating likelihoods and deriving WIMP-nucleon coupling limits from the recent results of the LUX direct search dark matter experiment. After a brief review of WIMP-nucleon scattering, we derive LUX limits on the spin-dependent WIMP-nucleon couplings over a broad range of WIMP...
[ { "created": "Mon, 9 Feb 2015 21:00:14 GMT", "version": "v1" }, { "created": "Mon, 16 Feb 2015 14:57:08 GMT", "version": "v2" }, { "created": "Tue, 12 May 2015 16:10:16 GMT", "version": "v3" } ]
2015-12-02
[ [ "Savage", "Christopher", "" ], [ "Scaffidi", "Andre", "" ], [ "White", "Martin", "" ], [ "Williams", "Anthony G.", "" ] ]
We present LUXCalc, a new utility for calculating likelihoods and deriving WIMP-nucleon coupling limits from the recent results of the LUX direct search dark matter experiment. After a brief review of WIMP-nucleon scattering, we derive LUX limits on the spin-dependent WIMP-nucleon couplings over a broad range of WIMP m...
hep-ph/9904239
Kuang-Ta Chao
Feng Yuan, Kuang-Ta Chao (PKU)
Diffractive gluon jet production at hadron colliders in the two-gluon exchange model
17 pages, 6 PS figures, Revtex
null
null
null
hep-ph
null
Following our recent paper on the calculations of diffractive quark jet production at hadron colliders, we present here the calculations of gluon jet production at hadron colliders in the two-gluon exchange parameterization of the Pomeron model. We use the helicity amplitude method to calculate the cross section form...
[ { "created": "Tue, 6 Apr 1999 06:28:17 GMT", "version": "v1" } ]
2007-05-23
[ [ "Yuan", "Feng", "", "PKU" ], [ "Chao", "Kuang-Ta", "", "PKU" ] ]
Following our recent paper on the calculations of diffractive quark jet production at hadron colliders, we present here the calculations of gluon jet production at hadron colliders in the two-gluon exchange parameterization of the Pomeron model. We use the helicity amplitude method to calculate the cross section formul...
1903.12114
Zuowei Liu
Zuowei Liu, Yong-Heng Xu and Yu Zhang
Probing dark matter particles at CEPC
v1: 21 pages, 31 figures; v2: journal version
null
10.1007/JHEP06(2019)009
null
hep-ph astro-ph.CO astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the capability of the future electron collider CEPC in probing the parameter space of several dark matter models, including millicharged dark matter models, $Z'$ portal dark matter models, and effective field theory dark matter models. In our analysis, the monophoton final state is used as the primary ...
[ { "created": "Thu, 28 Mar 2019 16:58:31 GMT", "version": "v1" }, { "created": "Sun, 17 Sep 2023 06:19:23 GMT", "version": "v2" } ]
2023-09-19
[ [ "Liu", "Zuowei", "" ], [ "Xu", "Yong-Heng", "" ], [ "Zhang", "Yu", "" ] ]
We investigate the capability of the future electron collider CEPC in probing the parameter space of several dark matter models, including millicharged dark matter models, $Z'$ portal dark matter models, and effective field theory dark matter models. In our analysis, the monophoton final state is used as the primary ch...
hep-ph/0203240
null
Thomas G. Rizzo
Signals for Noncommutative QED at Future $e^+e^-$ Colliders
LaTex, 6 pages, 6 figs; to appear in the Proceedings of the Fourth International Workshop on $e^-e^-$ Interactions at TeV Energies, UC Santa Cruz, 7-9 Dec 2001
Int.J.Mod.Phys. A18 (2003) 2797-2805
10.1142/S0217751X03016264
SLAC-PUB-9184
hep-ph
null
The signatures for noncommutative QED at $e^+e^-$ colliders with center of mass energies in the range of 0.5-5 TeV are examined. For integrated luminosities of 0.5-1 ab$^{-1}$ or more, sensitivities to the associated mass scales greater than $\sqrt s$ are possible.
[ { "created": "Mon, 25 Mar 2002 23:02:09 GMT", "version": "v1" } ]
2009-11-07
[ [ "Rizzo", "Thomas G.", "" ] ]
The signatures for noncommutative QED at $e^+e^-$ colliders with center of mass energies in the range of 0.5-5 TeV are examined. For integrated luminosities of 0.5-1 ab$^{-1}$ or more, sensitivities to the associated mass scales greater than $\sqrt s$ are possible.
hep-ph/9604273
null
Jos\'e Rodr\'iguez-Quintero, Manuel Lozano and O. P\`ene
Relativistic Quantum Scattering of High Energy Fermions in the Presence of Phase Transition
10 pages
Phys.Lett. B388 (1996) 259-265
10.1016/S0370-2693(96)01229-4
FANSE-96/09, LPTHE-Orsay 96/24
hep-ph
null
We study the high energy behaviour of fermions hitting a general wall caused by a first-order phase transition. The wall profile is introduced through a general analytic function. The reflection coefficient is computed in the high energy limit and expressed in terms of the poles of the wall profile function. It is sh...
[ { "created": "Tue, 9 Apr 1996 17:08:39 GMT", "version": "v1" } ]
2016-08-15
[ [ "Rodríguez-Quintero", "José", "" ], [ "Lozano", "Manuel", "" ], [ "Pène", "O.", "" ] ]
We study the high energy behaviour of fermions hitting a general wall caused by a first-order phase transition. The wall profile is introduced through a general analytic function. The reflection coefficient is computed in the high energy limit and expressed in terms of the poles of the wall profile function. It is show...
hep-ph/9512422
null
S. R. Choudhury, Mamta and Sukanta Dutta
Triviality Bound on Lightest Higgs Mass in NMSSM
Plain Tex, 12 pages
Pramana 50 (1998) 163-171
10.1007/BF02847527
null
hep-ph
null
We study the implication of triviality on Higgs sector in next to minimal supersymmetric model (NMSSM) using variational field theory. It is shown that mass of the lightest Higgs boson in NMSSM has an upper bound $\sim 10\, M_W$ which is of the same order as that in standard model.
[ { "created": "Tue, 26 Dec 1995 06:08:27 GMT", "version": "v1" } ]
2015-06-25
[ [ "Choudhury", "S. R.", "" ], [ "Mamta", "", "" ], [ "Dutta", "Sukanta", "" ] ]
We study the implication of triviality on Higgs sector in next to minimal supersymmetric model (NMSSM) using variational field theory. It is shown that mass of the lightest Higgs boson in NMSSM has an upper bound $\sim 10\, M_W$ which is of the same order as that in standard model.
2104.11428
Igor Ivanov
N. Buskin, Igor P. Ivanov
Bounded-from-below conditions for $A_4$-symmetric 3HDM
17 pages, 3 figures
J. Phys. A: Math. Theor. 54 (2021) 325401
10.1088/1751-8121/ac0e53
null
hep-ph math-ph math.MP
http://creativecommons.org/licenses/by-sa/4.0/
Deriving necessary and sufficient conditions for a scalar potential to be bounded from below (BFB) is a difficult task beyond the simplest cases. Recently, a set of BFB conditions was proposed for the $A_4$-invariant three-Higgs-doublet model (3HDM). However, that set of conditions relied on numerical scan, and a com...
[ { "created": "Fri, 23 Apr 2021 06:27:23 GMT", "version": "v1" } ]
2021-09-06
[ [ "Buskin", "N.", "" ], [ "Ivanov", "Igor P.", "" ] ]
Deriving necessary and sufficient conditions for a scalar potential to be bounded from below (BFB) is a difficult task beyond the simplest cases. Recently, a set of BFB conditions was proposed for the $A_4$-invariant three-Higgs-doublet model (3HDM). However, that set of conditions relied on numerical scan, and a compl...
2407.13818
Arjun Kudinoor
Hannah Bossi, Arjun Srinivasan Kudinoor, Ian Moult, Daniel Pablos, Ananya Rai, Krishna Rajagopal
Imaging the Wakes of Jets with Energy-Energy-Energy Correlators
35 pages, 19 glamorous figures, 2 practical appendices
null
null
MIT-CTP-5739
hep-ph hep-th nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
As the partons in a jet propagate through the quark-gluon plasma (QGP) produced in a heavy-ion collision, they lose energy to, kick, and are kicked by the medium. The resulting modifications to the parton shower encode information about the microscopic nature of QGP. The momentum and energy lost by the parton shower ...
[ { "created": "Thu, 18 Jul 2024 18:00:00 GMT", "version": "v1" } ]
2024-07-22
[ [ "Bossi", "Hannah", "" ], [ "Kudinoor", "Arjun Srinivasan", "" ], [ "Moult", "Ian", "" ], [ "Pablos", "Daniel", "" ], [ "Rai", "Ananya", "" ], [ "Rajagopal", "Krishna", "" ] ]
As the partons in a jet propagate through the quark-gluon plasma (QGP) produced in a heavy-ion collision, they lose energy to, kick, and are kicked by the medium. The resulting modifications to the parton shower encode information about the microscopic nature of QGP. The momentum and energy lost by the parton shower ar...
1509.00491
Yeo Woong Yoon
C. S. Kim, Yeo Woong Yoon, Xing-Bo Yuan
Exploring top quark FCNC within 2HDM type III in association with flavor physics
29 pages, 9 figures; modified version published in JHEP
null
10.1007/JHEP12(2015)038
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The top quark flavor changing neutral current (FCNC) process is an excellent probe to search for new physics in top sector since the Standard Model expectation is extremely suppressed. We explore Higgs-mediated top quark FCNC, focusing on $H$-$t$-$c$ Yukawa coupling $\lambda_{ct}$ within the general two Higgs doublet...
[ { "created": "Tue, 1 Sep 2015 20:20:01 GMT", "version": "v1" }, { "created": "Wed, 6 Jan 2016 02:22:04 GMT", "version": "v2" } ]
2016-01-27
[ [ "Kim", "C. S.", "" ], [ "Yoon", "Yeo Woong", "" ], [ "Yuan", "Xing-Bo", "" ] ]
The top quark flavor changing neutral current (FCNC) process is an excellent probe to search for new physics in top sector since the Standard Model expectation is extremely suppressed. We explore Higgs-mediated top quark FCNC, focusing on $H$-$t$-$c$ Yukawa coupling $\lambda_{ct}$ within the general two Higgs doublet m...
2112.06729
Kai Ma
John Ellis, Shao-Feng Ge and Kai Ma
Hadron Collider Probes of the Quartic Couplings of Gluons to the Photon and $Z$ Boson
25 pages, 25 figures; part of the results were talked at CLHCP2021: https://indico.ihep.ac.cn/event/14560/session/6/contribution/113; v2, Fig.9 is updated by including combined results. 1 table is added; v3, several typos are corrected; v4, match to published version
JHEP 2022, 123 (2022)
10.1007/JHEP04(2022)123
KCL-PH-TH/2021-95, CERN-TH-2021-215
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We explore the experimental sensitivities of measuring the $gg \rightarrow Z \gamma$ process at the LHC to the dimension-8 quartic couplings of gluon pairs to the $Z$ boson and photon, in addition to comparing them with the analogous sensitivities in the $gg \to \gamma \gamma$ process. These processes can both receiv...
[ { "created": "Mon, 13 Dec 2021 15:33:04 GMT", "version": "v1" }, { "created": "Thu, 23 Dec 2021 17:25:57 GMT", "version": "v2" }, { "created": "Mon, 27 Dec 2021 07:56:12 GMT", "version": "v3" }, { "created": "Sun, 8 May 2022 15:43:02 GMT", "version": "v4" } ]
2022-05-10
[ [ "Ellis", "John", "" ], [ "Ge", "Shao-Feng", "" ], [ "Ma", "Kai", "" ] ]
We explore the experimental sensitivities of measuring the $gg \rightarrow Z \gamma$ process at the LHC to the dimension-8 quartic couplings of gluon pairs to the $Z$ boson and photon, in addition to comparing them with the analogous sensitivities in the $gg \to \gamma \gamma$ process. These processes can both receive ...
1011.3442
Tamas Biro S
Tamas S. Biro
Non-Extensive Black Hole Thermodynamics Estimate for Power-Law Particle Spectra
null
null
null
null
hep-ph gr-qc
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We point out that by considering the Hawking-Bekenstein entropy of Schwarzschild black hole horizons as a non-extensive Tsallis entropy, its additive formal logarithm, coinciding with the Renyi entropy, generates an equation of state with positive heat capacity above a threshold energy. Based on this, the edge of sta...
[ { "created": "Mon, 15 Nov 2010 16:39:30 GMT", "version": "v1" } ]
2010-11-16
[ [ "Biro", "Tamas S.", "" ] ]
We point out that by considering the Hawking-Bekenstein entropy of Schwarzschild black hole horizons as a non-extensive Tsallis entropy, its additive formal logarithm, coinciding with the Renyi entropy, generates an equation of state with positive heat capacity above a threshold energy. Based on this, the edge of stabi...
1706.06798
Dong Bai
Dong Bai and Yue-Liang Wu
Quadratic Contributions of Softly Broken Supersymmetry in the Light of Loop Regularization
25 pages, 3 figures; accepted version
null
10.1140/epjc/s10052-017-5201-2
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Loop regularization (LORE) is a novel regularization scheme in modern quantum field theories. It makes no change to the spacetime structure and respects both gauge symmetries and supersymmetry. As a result, LORE should be useful in calculating loop corrections in supersymmetry phenomenology. To demonstrate further it...
[ { "created": "Wed, 21 Jun 2017 09:03:16 GMT", "version": "v1" }, { "created": "Tue, 5 Sep 2017 06:56:03 GMT", "version": "v2" } ]
2017-10-25
[ [ "Bai", "Dong", "" ], [ "Wu", "Yue-Liang", "" ] ]
Loop regularization (LORE) is a novel regularization scheme in modern quantum field theories. It makes no change to the spacetime structure and respects both gauge symmetries and supersymmetry. As a result, LORE should be useful in calculating loop corrections in supersymmetry phenomenology. To demonstrate further its ...
1607.04434
Christian Bierlich
Christian Bierlich and G\"osta Gustafson and Leif L\"onnblad
Diffractive and non-diffractive wounded nucleons and final states in pA collisions
50 pages, 13 figures
null
10.1007/JHEP10(2016)139
LU-TP 16-39, MCnet-16-26
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We review the state-of-the-art of Glauber-inspired models for estimating the distribution of the number of participating nucleons in pA and AA collisions. We argue that there is room for improvement in these models when it comes to the treatment of diffractive excitation processes, and present a new simple Glauber-li...
[ { "created": "Fri, 15 Jul 2016 09:47:32 GMT", "version": "v1" }, { "created": "Thu, 25 Aug 2016 12:09:24 GMT", "version": "v2" } ]
2016-11-23
[ [ "Bierlich", "Christian", "" ], [ "Gustafson", "Gösta", "" ], [ "Lönnblad", "Leif", "" ] ]
We review the state-of-the-art of Glauber-inspired models for estimating the distribution of the number of participating nucleons in pA and AA collisions. We argue that there is room for improvement in these models when it comes to the treatment of diffractive excitation processes, and present a new simple Glauber-like...
hep-ph/9901298
Guidal
M. Guidal (IPN Orsay), M. Vanderhaeghen (U. Mainz)
Deeply Virtual Electroproduction of Photons and Mesons
5 pages, 3 figures
Invited talk at Workshop on Jefferson Lab Physics and Instrumentation with 6-12-GeV Beams and Beyond, Newport News, VA, 15-18 Jun 1998
null
null
hep-ph
null
In this paper, after a brief summary of the properties of the Off-Forward Parton Distributions, we give some examples of what could be the experimental opportunities to access them at the current high-energy lepton facilities : JLab (E_e >= 6 GeV), HERMES (E_e = 27 GeV) and COMPASS (E_mu = 200 GeV).
[ { "created": "Wed, 13 Jan 1999 20:28:02 GMT", "version": "v1" } ]
2007-05-23
[ [ "Guidal", "M.", "", "IPN Orsay" ], [ "Vanderhaeghen", "M.", "", "U. Mainz" ] ]
In this paper, after a brief summary of the properties of the Off-Forward Parton Distributions, we give some examples of what could be the experimental opportunities to access them at the current high-energy lepton facilities : JLab (E_e >= 6 GeV), HERMES (E_e = 27 GeV) and COMPASS (E_mu = 200 GeV).
hep-ph/9909367
Fernando Silveira Navarra
H. G. Dosch, F. S. Navarra and M. Nielsen
Pre-resonant Charmonium-Nucleon Cross Section in the Model of the Stochastic Vacuum
Talk given at QCD Euroconference 99, Montpellier, 7-13 July 1999, 4 pages, Latex
Nucl.Phys.Proc.Suppl.86:539-542,2000
10.1016/S0920-5632(00)00619-8
null
hep-ph
null
We calculate the nonperturbative charmonium - nucleon cross sections with the model of the stochastic vacuum, which has been succesfully applied in many high energy reactions. We also give a quantitative discussion of pre-resonance formation and medium effects.
[ { "created": "Tue, 14 Sep 1999 14:57:34 GMT", "version": "v1" } ]
2008-11-26
[ [ "Dosch", "H. G.", "" ], [ "Navarra", "F. S.", "" ], [ "Nielsen", "M.", "" ] ]
We calculate the nonperturbative charmonium - nucleon cross sections with the model of the stochastic vacuum, which has been succesfully applied in many high energy reactions. We also give a quantitative discussion of pre-resonance formation and medium effects.
hep-ph/0201136
Thomas Mannel
Francisco Campanario and Thomas Mannel (TTP Karlsruhe)
Reparametrization Invariance in Inclusive Decays of Heavy Hadrons
14 pages, no figures
Phys.Rev. D65 (2002) 094017
10.1103/PhysRevD.65.094017
TTP01-34
hep-ph
null
Reparametrization invariance is the invariance of the heavy mass limit under small changes of the heavy-quark four velocity. We discuss the implications of this invariance for non-local light cone operators, the matrix elements of which are relevant for the leading and subleading shape functions describing differenti...
[ { "created": "Tue, 15 Jan 2002 12:11:21 GMT", "version": "v1" } ]
2009-11-07
[ [ "Campanario", "Francisco", "", "TTP Karlsruhe" ], [ "Mannel", "Thomas", "", "TTP Karlsruhe" ] ]
Reparametrization invariance is the invariance of the heavy mass limit under small changes of the heavy-quark four velocity. We discuss the implications of this invariance for non-local light cone operators, the matrix elements of which are relevant for the leading and subleading shape functions describing differential...
1503.00544
Anatoli Fedynitch
Anatoli Fedynitch, Ralph Engel, Thomas K. Gaisser, Felix Riehn, Todor Stanev
Calculation of conventional and prompt lepton fluxes at very high energy
8 pages, 10 figures, for Proceedings of the International Symposium for Very-High Energy Cosmic-Ray Interactions (ISVHECRI 2014)
null
null
null
hep-ph astro-ph.HE
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An efficient method for calculating inclusive conventional and prompt atmospheric leptons fluxes is presented. The coupled cascade equations are solved numerically by formulating them as matrix equation. The presented approach is very flexible and allows the use of different hadronic interaction models, realistic par...
[ { "created": "Mon, 2 Mar 2015 14:33:42 GMT", "version": "v1" }, { "created": "Tue, 3 Mar 2015 19:31:56 GMT", "version": "v2" } ]
2015-03-04
[ [ "Fedynitch", "Anatoli", "" ], [ "Engel", "Ralph", "" ], [ "Gaisser", "Thomas K.", "" ], [ "Riehn", "Felix", "" ], [ "Stanev", "Todor", "" ] ]
An efficient method for calculating inclusive conventional and prompt atmospheric leptons fluxes is presented. The coupled cascade equations are solved numerically by formulating them as matrix equation. The presented approach is very flexible and allows the use of different hadronic interaction models, realistic param...
2311.06089
Farid Hounat
Farid Hounat
Non-universal Milan factors for QCD jets
28 pages, 2 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using the dispersive method we perform a two-loop analysis of the leading non-perturbative power correction to the change in jet transverse momentum $p_T$, in the small $R$ limit of a Cambridge-Aachen jet clustering algorithm. We frame the calculation in such a way so as to maintain connection with the universal "Mil...
[ { "created": "Fri, 10 Nov 2023 14:41:17 GMT", "version": "v1" }, { "created": "Wed, 6 Dec 2023 00:25:59 GMT", "version": "v2" } ]
2023-12-07
[ [ "Hounat", "Farid", "" ] ]
Using the dispersive method we perform a two-loop analysis of the leading non-perturbative power correction to the change in jet transverse momentum $p_T$, in the small $R$ limit of a Cambridge-Aachen jet clustering algorithm. We frame the calculation in such a way so as to maintain connection with the universal "Milan...
2309.07213
Taylor Murphy
Linda M. Carpenter, Humberto Gilmer, Junichiro Kawamura, Taylor Murphy
Taking aim at the wino-higgsino plane with the LHC
13 pages, 7 figures. Updated to resemble Phys. Rev. D Version of Record
Phys. Rev. D 109, 015012 (2024)
10.1103/PhysRevD.109.015012
CTPU-PTC-23-41
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this work we explore multiple search strategies for higgsinos and mixed higgsino-wino states in the MSSM and project the results onto the $(\mu,M_2)$ plane. Assuming associated production of higgsino-like pairs with a $W/Z$ boson, we develop a search in a channel characterized by a hadronically tagged vector boson...
[ { "created": "Wed, 13 Sep 2023 18:00:00 GMT", "version": "v1" }, { "created": "Thu, 11 Jan 2024 16:22:03 GMT", "version": "v2" } ]
2024-01-12
[ [ "Carpenter", "Linda M.", "" ], [ "Gilmer", "Humberto", "" ], [ "Kawamura", "Junichiro", "" ], [ "Murphy", "Taylor", "" ] ]
In this work we explore multiple search strategies for higgsinos and mixed higgsino-wino states in the MSSM and project the results onto the $(\mu,M_2)$ plane. Assuming associated production of higgsino-like pairs with a $W/Z$ boson, we develop a search in a channel characterized by a hadronically tagged vector boson a...
hep-ph/0008024
Kei-ichi Kimura
K. Kimura and A. Takamura
Schematic Method for Estimation of CP Asymmetry in Neutrino Oscillation
10 pages, LaTeX, 8 figures
null
null
DPNU-00-24
hep-ph
null
Within the framework of three generations of leptons the schematical method for estimating CP asymmetry in neutrino oscillations is considered. We introduce a unitarity triangle corresponding to \nu_e-\nu_{\mu} oscillation, in addition, we show that it is convenient for the estimation to define another new triangle. ...
[ { "created": "Thu, 3 Aug 2000 01:25:05 GMT", "version": "v1" } ]
2007-05-23
[ [ "Kimura", "K.", "" ], [ "Takamura", "A.", "" ] ]
Within the framework of three generations of leptons the schematical method for estimating CP asymmetry in neutrino oscillations is considered. We introduce a unitarity triangle corresponding to \nu_e-\nu_{\mu} oscillation, in addition, we show that it is convenient for the estimation to define another new triangle. CP...
hep-ph/0501236
Takeshi Nihei
Sachiko Oshima (TIT), Takeshi Nihei, Takehisa Fujita (Nihon U.)
Nucleon Edm from Atomic Systems and Constraints on Supersymmetry Parameters
10 pages, 7 figure files
J.Phys.Soc.Jap. 74 (2005) 2480
10.1143/JPSJ.74.2480
null
hep-ph
null
The nucleon EDM is shown to be directly related to the EDM of atomic systems. From the observed EDM values of the atomic Hg system, the neutron EDM can be extracted, which gives a very stringent constraint on the supersymmetry parameters. It is also shown that the measurement of Nitrogen and Thallium atomic systems...
[ { "created": "Tue, 25 Jan 2005 21:22:30 GMT", "version": "v1" } ]
2009-11-11
[ [ "Oshima", "Sachiko", "", "TIT" ], [ "Nihei", "Takeshi", "", "Nihon U." ], [ "Fujita", "Takehisa", "", "Nihon U." ] ]
The nucleon EDM is shown to be directly related to the EDM of atomic systems. From the observed EDM values of the atomic Hg system, the neutron EDM can be extracted, which gives a very stringent constraint on the supersymmetry parameters. It is also shown that the measurement of Nitrogen and Thallium atomic systems sho...
1508.07629
Rhorry Gauld
Rhorry Gauld
Forward $D$ predictions for $p\rm Pb$ collisions, and sensitivity to cold nuclear matter effects
6 pages + References+Appendix, matches PRD version. Added references and included 8~TeV predictions in appendix
Phys. Rev. D 93, 014001 (2016)
10.1103/PhysRevD.93.014001
DCPT/15/110, IPPP/15/55
hep-ph hep-ex nucl-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Predictions are provided for double differential cross sections and forward-backward ratios of $D^{0}$ production in $p\rm Pb$ (forward) and $\rm{Pb}$$p$ (backward) collisions at 5.02~TeV. The effect of nuclear corrections on the ratio of differential cross sections ratios is estimated to be $\simeq$ (10-30)\% in the...
[ { "created": "Sun, 30 Aug 2015 20:03:43 GMT", "version": "v1" }, { "created": "Mon, 28 Dec 2015 14:31:48 GMT", "version": "v2" } ]
2016-01-13
[ [ "Gauld", "Rhorry", "" ] ]
Predictions are provided for double differential cross sections and forward-backward ratios of $D^{0}$ production in $p\rm Pb$ (forward) and $\rm{Pb}$$p$ (backward) collisions at 5.02~TeV. The effect of nuclear corrections on the ratio of differential cross sections ratios is estimated to be $\simeq$ (10-30)\% in the k...
hep-ph/0103248
Antonio Riotto
G.F. Giudice (CERN), A. Riotto (INFN, Padova), I.Tkachev (CERN)
The Cosmological Moduli Problem and Preheating
17 pages, 5 Postscript figures, corrected some typos
JHEP 0106:020,2001
10.1088/1126-6708/2001/06/020
CERN-TH/2001-082
hep-ph astro-ph hep-th
null
Many models of supersymmetry breaking, in the context of either supergravity or superstring theories, predict the presence of particles with Planck-suppressed couplings and masses around the weak scale. These particles are generically called moduli. The excessive production of moduli in the early Universe jeopardizes...
[ { "created": "Fri, 23 Mar 2001 10:51:12 GMT", "version": "v1" }, { "created": "Sat, 24 Mar 2001 05:36:51 GMT", "version": "v2" } ]
2010-02-03
[ [ "Giudice", "G. F.", "", "CERN" ], [ "Riotto", "A.", "", "INFN, Padova" ], [ "Tkachev", "I.", "", "CERN" ] ]
Many models of supersymmetry breaking, in the context of either supergravity or superstring theories, predict the presence of particles with Planck-suppressed couplings and masses around the weak scale. These particles are generically called moduli. The excessive production of moduli in the early Universe jeopardizes t...
1201.6229
Svjetlana Fajfer
S. Fajfer
Theory overview of charm physics
null
PoS BEAUTY2011 (2011) 016
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recent developments in charm physics within the standard model and beyond are reviewed. The precision study of leptonic charm meson decays accompanied with the constraints coming from K, B and tau physics enables to determine constraints on models of new physics. The standard model contributions in the D0 - D0bar sys...
[ { "created": "Mon, 30 Jan 2012 14:32:31 GMT", "version": "v1" } ]
2012-01-31
[ [ "Fajfer", "S.", "" ] ]
Recent developments in charm physics within the standard model and beyond are reviewed. The precision study of leptonic charm meson decays accompanied with the constraints coming from K, B and tau physics enables to determine constraints on models of new physics. The standard model contributions in the D0 - D0bar syste...
hep-ph/0010148
Andriy Kostyuk
M.I. Gorenstein, A.P. Kostyuk, H. Stoecker and W. Greiner
Statistical Coalescence Model with Exact Charm Conservation
7 pages, Latex
Phys.Lett.B509:277-282,2001
10.1016/S0370-2693(01)00516-0
null
hep-ph
null
The statistical coalescence model for the production of open and hidden charm is considered within the canonical ensemble formulation. The data for the J/psi multiplicity in Pb+Pb collisions at 158 A GeV are used for the model prediction of the open charm yield which has not yet been measured in these reactions.
[ { "created": "Sat, 14 Oct 2000 17:42:54 GMT", "version": "v1" }, { "created": "Mon, 6 Nov 2000 15:37:10 GMT", "version": "v2" }, { "created": "Sat, 10 Mar 2001 19:28:57 GMT", "version": "v3" } ]
2010-04-06
[ [ "Gorenstein", "M. I.", "" ], [ "Kostyuk", "A. P.", "" ], [ "Stoecker", "H.", "" ], [ "Greiner", "W.", "" ] ]
The statistical coalescence model for the production of open and hidden charm is considered within the canonical ensemble formulation. The data for the J/psi multiplicity in Pb+Pb collisions at 158 A GeV are used for the model prediction of the open charm yield which has not yet been measured in these reactions.
hep-ph/0201312
Felix del Moral Vila
M. A. Braun, F. del Moral and C. Pajares
Genuine Three-Body Bose-Einstein Correlations and Percolation of Strings
8 pages, 2 figures, ReVTex
Phys.Lett. B551 (2003) 291-295
10.1016/S0370-2693(02)03050-2
null
hep-ph
null
Recent data show a large difference of the genuine three-body Bose-Einstein correlations in S-Pb collisions and in Pb-Pb central collisions being close to zero in the first case and to one in the second one. These results, unexpected from conventional approaches, are naturally explained by the percolation of colour s...
[ { "created": "Thu, 31 Jan 2002 20:56:38 GMT", "version": "v1" }, { "created": "Tue, 2 Apr 2002 20:52:16 GMT", "version": "v2" } ]
2009-11-07
[ [ "Braun", "M. A.", "" ], [ "del Moral", "F.", "" ], [ "Pajares", "C.", "" ] ]
Recent data show a large difference of the genuine three-body Bose-Einstein correlations in S-Pb collisions and in Pb-Pb central collisions being close to zero in the first case and to one in the second one. These results, unexpected from conventional approaches, are naturally explained by the percolation of colour str...
1409.2010
Leonard Fister
Leonard Fister and Edmond Iancu
Medium-induced jet evolution: wave turbulence and energy loss
40 pages, 12 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the gluon cascade generated via successive medium-induced branchings by an energetic parton propagating through a dense QCD medium. We focus on the high-energy regime where the energy $E$ of the leading particle is much larger than the characteristic medium scale $\omega_c=\hat q L^2/2$, with $\hat q$ the je...
[ { "created": "Sat, 6 Sep 2014 13:23:07 GMT", "version": "v1" } ]
2014-09-09
[ [ "Fister", "Leonard", "" ], [ "Iancu", "Edmond", "" ] ]
We study the gluon cascade generated via successive medium-induced branchings by an energetic parton propagating through a dense QCD medium. We focus on the high-energy regime where the energy $E$ of the leading particle is much larger than the characteristic medium scale $\omega_c=\hat q L^2/2$, with $\hat q$ the jet ...
hep-ph/0602098
Andrei Kataev
A.L. Kataev (Institute for Nuclear Research, Moscow, Russia)
The Comments on QED Contributions to $(g-2)_{\mu}$
6 pages, presented at the 12 Lomonosov Conference on Elementary Particle Physics, Moscow State University, August 25-31, 2005; The recently corrected by Kinoshita and Nio value A_{\mu}^{(10)}=663(20) is cited
null
10.1142/9789812772657_0060
null
hep-ph
null
The comparison of definite numerical values of analytically evaluated asymptotic expressions for order $\alpha^4$ and $\alpha^5$ QED contributions to the muon anomalous magnetic moment with the results of numerical calculations are presented. It is stressed that observed agreement can be considered as the additional ...
[ { "created": "Sat, 11 Feb 2006 19:04:14 GMT", "version": "v1" }, { "created": "Mon, 20 Mar 2006 16:48:53 GMT", "version": "v2" } ]
2016-12-07
[ [ "Kataev", "A. L.", "", "Institute for Nuclear Research, Moscow, Russia" ] ]
The comparison of definite numerical values of analytically evaluated asymptotic expressions for order $\alpha^4$ and $\alpha^5$ QED contributions to the muon anomalous magnetic moment with the results of numerical calculations are presented. It is stressed that observed agreement can be considered as the additional ar...
hep-ph/0208239
Tsao Chang
Tsao Chang
Parity Violation and Neutrino Mass
Latex, 5 pages
Nucl.Sci.Technol. 13 (2002) 129-133
null
null
hep-ph
null
Besides the fact of parity violation in weak interactions, based on evidences from neutrino oscillation and tritium beta decay, a natural conjecture is that neutrinos may be spacelike particles with a tiny proper mass. A Dirac-type equation for spacelike neutrinos is further investigated and its solutions are discuss...
[ { "created": "Mon, 26 Aug 2002 18:07:23 GMT", "version": "v1" } ]
2007-05-23
[ [ "Chang", "Tsao", "" ] ]
Besides the fact of parity violation in weak interactions, based on evidences from neutrino oscillation and tritium beta decay, a natural conjecture is that neutrinos may be spacelike particles with a tiny proper mass. A Dirac-type equation for spacelike neutrinos is further investigated and its solutions are discussed...
0812.4285
Juan Racker
J. Racker and E. Roulet
Leptogenesis, Z' bosons, and the reheating temperature of the Universe
14 pages, 6 figures; One figure added, discussion on the reheating temperature extended
JHEP 0903:065,2009
10.1088/1126-6708/2009/03/065
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the impact for leptogenesis of new U(1) gauge bosons coupled to the heavy Majorana neutrinos. They can significantly enhance the efficiency of thermal scenarios in the weak washout regime as long as the Z' masses are not much larger than the reheating temperature ($M_{Z'}<10 T_{rh}$), with the highest effici...
[ { "created": "Mon, 22 Dec 2008 22:36:44 GMT", "version": "v1" }, { "created": "Fri, 16 Jan 2009 23:00:03 GMT", "version": "v2" } ]
2014-11-18
[ [ "Racker", "J.", "" ], [ "Roulet", "E.", "" ] ]
We study the impact for leptogenesis of new U(1) gauge bosons coupled to the heavy Majorana neutrinos. They can significantly enhance the efficiency of thermal scenarios in the weak washout regime as long as the Z' masses are not much larger than the reheating temperature ($M_{Z'}<10 T_{rh}$), with the highest efficien...
hep-ph/9910416
Hans-Ulrich Martyn
Hans-Ulrich Martyn and Grahame A. Blair
Determination of sparticle masses and SUSY parameters
5 pages, Talk given at the International Workshop on Linear Colliders, LCWS99, Sitges, Spain, 28 April - 5 May 1999
null
null
null
hep-ph
null
A case study will be presented to determine the particle masses and parameters of a specific mSUGRA model at the TESLA Linear Collider with high precision.
[ { "created": "Wed, 20 Oct 1999 15:07:17 GMT", "version": "v1" } ]
2007-05-23
[ [ "Martyn", "Hans-Ulrich", "" ], [ "Blair", "Grahame A.", "" ] ]
A case study will be presented to determine the particle masses and parameters of a specific mSUGRA model at the TESLA Linear Collider with high precision.
hep-ph/9409323
null
Thomas R. Hemmert, Barry R. Holstein and Nimai C. Mukhopadhyay
NN,N\Delta Couplings and the Quark Model
22 pg. Latex file, figures available by request
Phys.Rev. D51 (1995) 158-167
10.1103/PhysRevD.51.158
null
hep-ph nucl-th
null
We examine mass-corrected SU(6) symmetry predictions in the quark model relating vector, axial-vector and strong NN and N\Delta couplings, and demonstrate that the experimental N\Delta value is significantly higher than predicted in each case. Nevertheless the Goldberger-Treiman relation is satisfied in both sectors....
[ { "created": "Thu, 15 Sep 1994 15:21:07 GMT", "version": "v1" } ]
2009-10-28
[ [ "Hemmert", "Thomas R.", "" ], [ "Holstein", "Barry R.", "" ], [ "Mukhopadhyay", "Nimai C.", "" ] ]
We examine mass-corrected SU(6) symmetry predictions in the quark model relating vector, axial-vector and strong NN and N\Delta couplings, and demonstrate that the experimental N\Delta value is significantly higher than predicted in each case. Nevertheless the Goldberger-Treiman relation is satisfied in both sectors. P...
hep-ph/0109206
Guy Moore
Guy D. Moore
Problems with lattice methods for electroweak preheating
10 pages with 3 figures
JHEP 0111:021,2001
10.1088/1126-6708/2001/11/021
UW/PT 01-23
hep-ph hep-lat
null
Recently Garcia Bellido et. al. have proposed that electroweak baryogenesis may occur at the end of inflation, in a scenario where the reheat temperature is too low for electroweak symmetry restoration. I show why the scenario is difficult to test reliably by classical field techniques on the lattice.
[ { "created": "Fri, 21 Sep 2001 23:52:35 GMT", "version": "v1" } ]
2010-02-03
[ [ "Moore", "Guy D.", "" ] ]
Recently Garcia Bellido et. al. have proposed that electroweak baryogenesis may occur at the end of inflation, in a scenario where the reheat temperature is too low for electroweak symmetry restoration. I show why the scenario is difficult to test reliably by classical field techniques on the lattice.
1807.01567
Diogo Boito
Diogo Boito, Pere Masjuan, and Fabio Oliani
Higher-order QCD corrections to hadronic $\tau$ decays from Pad\'e approximants
40 pages, 8 figures. Five references added. Minor changes. To appear in Journal of High Energy Physics
null
10.1007/JHEP08(2018)075
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Perturbative QCD corrections to hadronic $\tau$ decays and $e^+e^-$ annihilation into hadrons below charm are obtained from the Adler function, which at present is known in the chiral limit to five-loop accuracy. Extractions of the strong coupling, $\alpha_s$, from these processes suffer from an ambiguity related to ...
[ { "created": "Wed, 4 Jul 2018 13:25:52 GMT", "version": "v1" }, { "created": "Tue, 31 Jul 2018 18:54:14 GMT", "version": "v2" } ]
2018-08-29
[ [ "Boito", "Diogo", "" ], [ "Masjuan", "Pere", "" ], [ "Oliani", "Fabio", "" ] ]
Perturbative QCD corrections to hadronic $\tau$ decays and $e^+e^-$ annihilation into hadrons below charm are obtained from the Adler function, which at present is known in the chiral limit to five-loop accuracy. Extractions of the strong coupling, $\alpha_s$, from these processes suffer from an ambiguity related to th...
1201.6088
Simonetta Liuti
Gary R. Goldstein, J. Osvaldo Gonzalez Hernandez, Simonetta Liuti
Easy as $\pi^o$: On the Interpretation of Recent Electroproduction Results
15 pages, 2 figures, some changes in formalism, and text. Introduced section titles
2012 J. Phys. G: Nucl. Part. Phys. 39 115001
10.1088/0954-3899/39/11/115001
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Exclusive $\pi^o$ electroproduction from nucleons was first suggested by Ahmad, Goldstein and Liuti for extracting from experimental data the tensor charge, transversity and other quantities related to chiral odd combinations of generalized parton distributions. We now explain the details of the process: {\it i)} the...
[ { "created": "Sun, 29 Jan 2012 21:57:03 GMT", "version": "v1" }, { "created": "Wed, 7 Mar 2012 10:13:46 GMT", "version": "v2" }, { "created": "Mon, 2 Jul 2012 13:38:02 GMT", "version": "v3" } ]
2013-04-16
[ [ "Goldstein", "Gary R.", "" ], [ "Hernandez", "J. Osvaldo Gonzalez", "" ], [ "Liuti", "Simonetta", "" ] ]
Exclusive $\pi^o$ electroproduction from nucleons was first suggested by Ahmad, Goldstein and Liuti for extracting from experimental data the tensor charge, transversity and other quantities related to chiral odd combinations of generalized parton distributions. We now explain the details of the process: {\it i)} the c...
hep-ph/9805405
Erich N. Holtmann
Erich Holtmann, M. Kawasaki, K. Kohri, Takeo Moroi
Radiative Decay of a Long-Lived Particle and Big-Bang Nucleosynthesis
Published version in Phys. Rev. D. Typos in figure captions corrected
Phys.Rev.D60:023506,1999
10.1103/PhysRevD.60.023506
LBNL-41826
hep-ph astro-ph
null
The effects of radiatively decaying, long-lived particles on big-bang nucleosynthesis (BBN) are discussed. If high-energy photons are emitted after BBN, they may change the abundances of the light elements through photodissociation processes, which may result in a significant discrepancy between the BBN theory and ob...
[ { "created": "Wed, 20 May 1998 22:50:30 GMT", "version": "v1" }, { "created": "Fri, 22 May 1998 00:32:01 GMT", "version": "v2" }, { "created": "Fri, 12 Aug 2005 16:39:02 GMT", "version": "v3" } ]
2008-11-26
[ [ "Holtmann", "Erich", "" ], [ "Kawasaki", "M.", "" ], [ "Kohri", "K.", "" ], [ "Moroi", "Takeo", "" ] ]
The effects of radiatively decaying, long-lived particles on big-bang nucleosynthesis (BBN) are discussed. If high-energy photons are emitted after BBN, they may change the abundances of the light elements through photodissociation processes, which may result in a significant discrepancy between the BBN theory and obse...
2209.04387
Zuowei Liu
Yonglin Li, Zuowei Liu, and Yilun Xue
XQC and CSR constraints on strongly interacting dark matter with spin and velocity dependent cross sections
26 pages, 13 figures. v2: added references, more CMB and Lyman-alpha constraints, conclusion unchanged. v3: journal version
null
10.1088/1475-7516/2023/05/060
null
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Dark matter that interacts strongly with baryons can avoid the stringent dark matter direct detection constraints, because, like baryons, they are likely to be absorbed when traversing the rocks, leading to a suppressed flux in deep underground labs. Such strongly interacting dark matter, however, can be probed by da...
[ { "created": "Fri, 9 Sep 2022 16:43:38 GMT", "version": "v1" }, { "created": "Thu, 10 Nov 2022 14:44:51 GMT", "version": "v2" }, { "created": "Thu, 11 Jan 2024 14:32:03 GMT", "version": "v3" } ]
2024-01-12
[ [ "Li", "Yonglin", "" ], [ "Liu", "Zuowei", "" ], [ "Xue", "Yilun", "" ] ]
Dark matter that interacts strongly with baryons can avoid the stringent dark matter direct detection constraints, because, like baryons, they are likely to be absorbed when traversing the rocks, leading to a suppressed flux in deep underground labs. Such strongly interacting dark matter, however, can be probed by dark...
1703.09417
Teruyuki Kitabayashi
Teruyuki Kitabayashi, Shinya Ohkawa, Masaki Yasu\`e
One-loop radiative seesaw dark matter and neutrinoless double beta decay with two zero flavor neutrino mass texture
20 pages, 6 figures, version accepted for publication in International Journal of Modern Physics A
null
10.1142/S0217751X1750186X
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the linkage between dark matter mass in the one-loop radiative seesaw model and the effective neutrino mass for the neutrino less double beta decay. This linkage, which has been already numerically suggested, is confirmed to be a reasonable relationship by deriving analytical expressions for two zero flavo...
[ { "created": "Tue, 28 Mar 2017 06:57:38 GMT", "version": "v1" }, { "created": "Wed, 8 Nov 2017 07:41:34 GMT", "version": "v2" } ]
2017-11-09
[ [ "Kitabayashi", "Teruyuki", "" ], [ "Ohkawa", "Shinya", "" ], [ "Yasuè", "Masaki", "" ] ]
We discuss the linkage between dark matter mass in the one-loop radiative seesaw model and the effective neutrino mass for the neutrino less double beta decay. This linkage, which has been already numerically suggested, is confirmed to be a reasonable relationship by deriving analytical expressions for two zero flavor ...
0909.5140
Carlos Munoz
Carlos Munoz
Phenomenology of a New Supersymmetric Standard Model: The $\mu\nu$SSM
Proceedings of SUSY 2009, 5-10 June, Boston; 4 pages
AIP Conf.Proc.1200:413-416,2010
10.1063/1.3327603
IFT-UAM/CSIC-09-48, FTUAM 09/29
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The $\mu\nu$SSM solves the $\mu$ problem of the MSSM and explains the origin of neutrino masses by simply using right-handed neutrino superfields. The solution implies the breaking of R-parity. The properties and phenomenology of the model are briefly reviewed.
[ { "created": "Mon, 28 Sep 2009 17:17:30 GMT", "version": "v1" } ]
2015-05-14
[ [ "Munoz", "Carlos", "" ] ]
The $\mu\nu$SSM solves the $\mu$ problem of the MSSM and explains the origin of neutrino masses by simply using right-handed neutrino superfields. The solution implies the breaking of R-parity. The properties and phenomenology of the model are briefly reviewed.
2009.04908
Artem Lipatov
A.V. Lipatov, M.A. Malyshev
Associated Higgs + jet(s) production at the LHC and CCFM gluon dynamics in a proton
14 pages, 6 figures
Phys. Rev. D 103, 094021 (2021)
10.1103/PhysRevD.103.094021
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider the associated production of Higgs boson and hadronic jet(s) in $pp$ collisions at the LHC for the first time using the $k_T$-factorization approach. Our analysis is based on the off-shell gluon-gluon fusion subprocess, where non-zero transverse momenta of initial gluons are taken into account and covers ...
[ { "created": "Thu, 10 Sep 2020 14:54:11 GMT", "version": "v1" } ]
2021-05-26
[ [ "Lipatov", "A. V.", "" ], [ "Malyshev", "M. A.", "" ] ]
We consider the associated production of Higgs boson and hadronic jet(s) in $pp$ collisions at the LHC for the first time using the $k_T$-factorization approach. Our analysis is based on the off-shell gluon-gluon fusion subprocess, where non-zero transverse momenta of initial gluons are taken into account and covers $H...
hep-ph/0010220
Daniel Winder
D.Winder
Scalar fields at finite densities: A \delta expansion approach
5 pages, 2 figures.....(Talk given at SEWM 2000 conference)
null
10.1142/9789812799913_0027
null
hep-ph
null
We use an optimized hopping parameter expansion (linear \delta expansion) for the free energy to study the phase transitions at finite temperature and finite charge density in a global U(1) scalar Higgs sector in the continuum and on the lattice at large couplings. We are able to plot out phase diagrams in lattice pa...
[ { "created": "Thu, 19 Oct 2000 14:08:59 GMT", "version": "v1" } ]
2017-08-23
[ [ "Winder", "D.", "" ] ]
We use an optimized hopping parameter expansion (linear \delta expansion) for the free energy to study the phase transitions at finite temperature and finite charge density in a global U(1) scalar Higgs sector in the continuum and on the lattice at large couplings. We are able to plot out phase diagrams in lattice para...