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hep-ph/0407190
Georg Weiglein
M. D"uhrssen, S. Heinemeyer, H. Logan, D. Rainwater, G. Weiglein and D. Zeppenfeld
Determination of Higgs-boson couplings at the LHC
9 pages, contribution to the proceedings of the XXXIXth Rencontres de Moriond, La Thuile, March 2004
null
null
DCPT/04/58, IPPP/04/29
hep-ph
null
We investigate the determination of Higgs boson couplings to gauge bosons and fermions at the LHC from data on Higgs boson production and decay. We demonstrate that very mild theoretical assumptions, which are valid in general multi-Higgs doublet models, are sufficient to allow the extraction of absolute values of th...
[ { "created": "Fri, 16 Jul 2004 12:32:35 GMT", "version": "v1" } ]
2007-05-23
[ [ "D\"uhrssen", "M.", "" ], [ "Heinemeyer", "S.", "" ], [ "Logan", "H.", "" ], [ "Rainwater", "D.", "" ], [ "Weiglein", "G.", "" ], [ "Zeppenfeld", "D.", "" ] ]
We investigate the determination of Higgs boson couplings to gauge bosons and fermions at the LHC from data on Higgs boson production and decay. We demonstrate that very mild theoretical assumptions, which are valid in general multi-Higgs doublet models, are sufficient to allow the extraction of absolute values of the ...
1906.07821
Marco Arroyo
M. A. Arroyo-Ure\~na, A. Fern\'andez-T\'ellez and G. Tavares-Velasco
Flavor changing Flavon decay $\phi\to tc$ ($\phi=H_F,\,A_F$) at the High Luminosity Large Hadron Collider
Substantial changes to the previous version
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a study of the flavor changing decays $\phi\to tc$ ($\phi=H_F,\,A_F$) of the $CP$-even and $CP$-odd scalar flavons at the large hadron collider and its next stage, the high-luminosity large hadron collider. The theoretical framework is an extension of the standard model that incorporates an extra complex s...
[ { "created": "Tue, 18 Jun 2019 21:41:13 GMT", "version": "v1" }, { "created": "Thu, 11 Aug 2022 17:28:23 GMT", "version": "v2" } ]
2022-08-12
[ [ "Arroyo-Ureña", "M. A.", "" ], [ "Fernández-Téllez", "A.", "" ], [ "Tavares-Velasco", "G.", "" ] ]
We present a study of the flavor changing decays $\phi\to tc$ ($\phi=H_F,\,A_F$) of the $CP$-even and $CP$-odd scalar flavons at the large hadron collider and its next stage, the high-luminosity large hadron collider. The theoretical framework is an extension of the standard model that incorporates an extra complex sin...
hep-ph/9606217
Enomoto
Ryoji Enomoto and Masaharu Tanabashi
Direct CP violation of B meson via rho-omega interference
18 pages, latex (revtex), two figures, two citations changed, available at http://bsun01.kek.jp/~enomoto/rhoomega.ps
Phys.Lett. B386 (1996) 413-421
10.1016/0370-2693(96)00979-3
KEK preprint 96-33, KEK TH-476, FERMILAB-PUB-96/130-T
hep-ph hep-ex
null
We investigate $B^{\pm,0}\rightarrow \rho^0 (\omega )h^{\pm,0}$, where $\rho^0 (\omega)$ decays to $\pi^+\pi^-$ and $h$ is any hadronic final states, such as $\pi$ or $K$. We find large direct $CP$ asymmetries via $\rho-\omega$ interference. A possible determination of the weak phases, such as $\phi_2={\rm arg}((V_{u...
[ { "created": "Tue, 4 Jun 1996 06:27:23 GMT", "version": "v1" }, { "created": "Wed, 12 Jun 1996 23:57:58 GMT", "version": "v2" } ]
2009-10-28
[ [ "Enomoto", "Ryoji", "" ], [ "Tanabashi", "Masaharu", "" ] ]
We investigate $B^{\pm,0}\rightarrow \rho^0 (\omega )h^{\pm,0}$, where $\rho^0 (\omega)$ decays to $\pi^+\pi^-$ and $h$ is any hadronic final states, such as $\pi$ or $K$. We find large direct $CP$ asymmetries via $\rho-\omega$ interference. A possible determination of the weak phases, such as $\phi_2={\rm arg}((V_{ud}...
1907.07383
Sang Hui Im
Sang Hui Im, Kwang Sik Jeong
Freeze-in Axion-like Dark Matter
1+14 pages; v2: updated ALP longevity bound from gamma ray observations, references added, version to appear in PLB
Phys. Lett. B 799 (2019) 135044
10.1016/j.physletb.2019.135044
PNUTP-19-A13
hep-ph astro-ph.CO
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present an interesting Higgs portal model where an axion-like particle (ALP) couples to the Standard Model sector only via the Higgs field. The ALP becomes stable due to CP invariance and turns out to be a natural candidate for freeze-in dark matter because its properties are controlled by the perturbative ALP shi...
[ { "created": "Wed, 17 Jul 2019 08:33:02 GMT", "version": "v1" }, { "created": "Tue, 29 Oct 2019 08:53:54 GMT", "version": "v2" } ]
2019-11-07
[ [ "Im", "Sang Hui", "" ], [ "Jeong", "Kwang Sik", "" ] ]
We present an interesting Higgs portal model where an axion-like particle (ALP) couples to the Standard Model sector only via the Higgs field. The ALP becomes stable due to CP invariance and turns out to be a natural candidate for freeze-in dark matter because its properties are controlled by the perturbative ALP shift...
hep-ph/9610317
Terry Goldman
G. J. Stephenson Jr. (UNM), T. Goldman (LANL) and B. H. J. McKellar (Melbourne)
MSW-like Enhancements without Matter
9 pages, latex, 1 figure
Mod.Phys.Lett.A12:2391-2398,1997
10.1142/S021773239700248X
LA-UR-96-2956
hep-ph
null
We study the effects of a scalar field, coupled only to neutrinos, on oscillations among weak interaction current eigenstates. The effect of a real scalar field appears as effective masses for the neutrino mass eigenstates, the same for $\nbar$ as for $\n$. Under some conditions, this can lead to a vanishing of $\del...
[ { "created": "Thu, 10 Oct 1996 19:25:12 GMT", "version": "v1" } ]
2008-11-26
[ [ "Stephenson", "G. J.", "Jr.", "UNM" ], [ "Goldman", "T.", "", "LANL" ], [ "McKellar", "B. H. J.", "", "Melbourne" ] ]
We study the effects of a scalar field, coupled only to neutrinos, on oscillations among weak interaction current eigenstates. The effect of a real scalar field appears as effective masses for the neutrino mass eigenstates, the same for $\nbar$ as for $\n$. Under some conditions, this can lead to a vanishing of $\delta...
1907.06957
Mario Prausa
Robert V. Harlander, Mario Prausa, Johann Usovitsch
The light-fermion contribution to the exact Higgs-gluon form factor in QCD
matches published version, including (forthcoming) erratum
JHEP10(2019)148
10.1007/JHEP10(2019)148
TTK-19-26, P3H-19-021, FR-PHENO-2019-011
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
An analytical expression for the three-loop form factors for $ggH$ and $\gamma\gamma H$ is derived for the contributions which involve massless quark loops. The result is expressed in terms of harmonic polylogarithms. It fully agrees with previously obtained kinematical expansions, and confirms a recent semi-numerica...
[ { "created": "Tue, 16 Jul 2019 12:22:40 GMT", "version": "v1" }, { "created": "Wed, 9 Oct 2019 15:14:32 GMT", "version": "v2" }, { "created": "Wed, 22 Jul 2020 11:14:52 GMT", "version": "v3" } ]
2020-07-23
[ [ "Harlander", "Robert V.", "" ], [ "Prausa", "Mario", "" ], [ "Usovitsch", "Johann", "" ] ]
An analytical expression for the three-loop form factors for $ggH$ and $\gamma\gamma H$ is derived for the contributions which involve massless quark loops. The result is expressed in terms of harmonic polylogarithms. It fully agrees with previously obtained kinematical expansions, and confirms a recent semi-numerical ...
1005.3724
C. A. Dominguez
C. A. Dominguez
Determination of light quark masses in QCD
Plenary talk at the Conference in honour of Murray Gell-Mann's 80th birthday, Nanyang Technical University, Singapore, February 2010. To be published in the proceedings (Mod. Phys. Lett. A). This talk is based on work done in collaboration with N. F. Nasrallah, R. H. R\"ontsch, and K. Schilcher
Int.J.Mod.Phys.A25:5223-5234,2010
10.1142/S0217751X10051116
UCT-TP-280/2010
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The standard procedure to determine (analytically) the values of the quark masses is to relate QCD two-point functions to experimental data in the framework of QCD sum rules. In the case of the light quark sector, the ideal Green function is the pseudoscalar correlator which involves the quark masses as an overall mu...
[ { "created": "Thu, 20 May 2010 15:00:55 GMT", "version": "v1" } ]
2010-11-23
[ [ "Dominguez", "C. A.", "" ] ]
The standard procedure to determine (analytically) the values of the quark masses is to relate QCD two-point functions to experimental data in the framework of QCD sum rules. In the case of the light quark sector, the ideal Green function is the pseudoscalar correlator which involves the quark masses as an overall mult...
hep-ph/0303025
David Akers
David Akers
Evidence for Magnetic Fields in Light Meson Spectra
PDF only, 24 pages with 14 figures, minor changes, one new figure
null
null
null
hep-ph
null
Mac Gregor's constituent-quark model is reviewed with currently published data from light meson spectroscopy. It was previously shown that magnetic sources were responsible for the quantization of several mass-splittings in Mac Gregor's model. The existence of a 70-MeV quantum was postulated by Mac Gregor and was sho...
[ { "created": "Tue, 4 Mar 2003 20:22:13 GMT", "version": "v1" }, { "created": "Fri, 7 Mar 2003 15:31:28 GMT", "version": "v2" } ]
2007-05-23
[ [ "Akers", "David", "" ] ]
Mac Gregor's constituent-quark model is reviewed with currently published data from light meson spectroscopy. It was previously shown that magnetic sources were responsible for the quantization of several mass-splittings in Mac Gregor's model. The existence of a 70-MeV quantum was postulated by Mac Gregor and was shown...
1010.4078
Emanuele Mereghetti
E. Mereghetti, J. de Vries, W. H. Hockings, C. M. Maekawa, U. van Kolck
The Electric Dipole Form Factor of the Nucleon in Chiral Perturbation Theory to Sub-leading Order
14 pages, 3 figures
Phys.Lett.B696:97-102,2011
10.1016/j.physletb.2010.12.018
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The electric dipole form factor (EDFF) of the nucleon stemming from the QCD theta term and from the quark color-electric dipole moments is calculated in chiral perturbation theory to sub-leading order. This is the lowest order in which the isoscalar EDFF receives a calculable, non-analytic contribution from the pion ...
[ { "created": "Wed, 20 Oct 2010 00:07:02 GMT", "version": "v1" } ]
2011-01-27
[ [ "Mereghetti", "E.", "" ], [ "de Vries", "J.", "" ], [ "Hockings", "W. H.", "" ], [ "Maekawa", "C. M.", "" ], [ "van Kolck", "U.", "" ] ]
The electric dipole form factor (EDFF) of the nucleon stemming from the QCD theta term and from the quark color-electric dipole moments is calculated in chiral perturbation theory to sub-leading order. This is the lowest order in which the isoscalar EDFF receives a calculable, non-analytic contribution from the pion cl...
0901.2599
Christian Sturm
C. Sturm, Y. Aoki, N.H. Christ, T. Izubuchi, C.T.C. Sachrajda and A. Soni
Renormalization of quark bilinear operators in a momentum-subtraction scheme with a nonexceptional subtraction point
15 pages, 4 figures; final version accepted for publication in the journal
Phys.Rev.D80:014501,2009
10.1103/PhysRevD.80.014501
CU-TP-1186, KANAZAWA-09-01, RBRC-771, SHEP 09/02
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We extend the Rome-Southampton regularization independent momentum-subtraction renormalization scheme(RI/MOM) for bilinear operators to one with a nonexceptional, symmetric subtraction point. Two-point Green's functions with the insertion of quark bilinear operators are computed with scalar, pseudoscalar, vector, axi...
[ { "created": "Mon, 19 Jan 2009 19:02:26 GMT", "version": "v1" }, { "created": "Thu, 22 Apr 2010 22:15:43 GMT", "version": "v2" } ]
2010-05-12
[ [ "Sturm", "C.", "" ], [ "Aoki", "Y.", "" ], [ "Christ", "N. H.", "" ], [ "Izubuchi", "T.", "" ], [ "Sachrajda", "C. T. C.", "" ], [ "Soni", "A.", "" ] ]
We extend the Rome-Southampton regularization independent momentum-subtraction renormalization scheme(RI/MOM) for bilinear operators to one with a nonexceptional, symmetric subtraction point. Two-point Green's functions with the insertion of quark bilinear operators are computed with scalar, pseudoscalar, vector, axial...
2406.19968
Leon M. G. De La Vega
Leon M.G. de la Vega, Eduardo Peinado, Jose Wudka
The $L_\mu-L_\tau$ solution to the IceCube UHE neutrino deficit in light of NA64
8 pages, 3 figures
null
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
In this work we analyze the scenario where a MeV scale $L_\mu - L_\tau$ gauge boson can explain the deficit in the diffuse ultra high energy (UHE) astrophysical neutrino spectrum observed in IceCube, as well as the discrepancy between experimental and $e^+e^-$ dispersion data driven SM calculations of the muon anomal...
[ { "created": "Fri, 28 Jun 2024 14:56:27 GMT", "version": "v1" } ]
2024-07-01
[ [ "de la Vega", "Leon M. G.", "" ], [ "Peinado", "Eduardo", "" ], [ "Wudka", "Jose", "" ] ]
In this work we analyze the scenario where a MeV scale $L_\mu - L_\tau$ gauge boson can explain the deficit in the diffuse ultra high energy (UHE) astrophysical neutrino spectrum observed in IceCube, as well as the discrepancy between experimental and $e^+e^-$ dispersion data driven SM calculations of the muon anomalou...
hep-ph/0410181
Shrihari Gopalakrishna
Shrihari Gopalakrishna and C.-P. Yuan
B-meson signatures of a Supersymmetric U(2) flavor model
37 pages, 21 figures, RevTeX4; v.2 - minor modifications to improve readability. Published version
Phys.Rev.D71:035012,2005
10.1103/PhysRevD.71.035012
null
hep-ph
null
We discuss B-meson signatures of a Supersymmetric U(2) flavor model, with relatively light (electroweak scale masses) third generation right-handed scalars. We impose current B and K meson experimental constraints on such a theory, and obtain expectations for B->X_s gamma, B->X_s glue, B->X_s l+ l-, B->phi K_s, B_s-B...
[ { "created": "Tue, 12 Oct 2004 22:00:40 GMT", "version": "v1" }, { "created": "Fri, 18 Feb 2005 00:47:06 GMT", "version": "v2" } ]
2011-03-23
[ [ "Gopalakrishna", "Shrihari", "" ], [ "Yuan", "C. -P.", "" ] ]
We discuss B-meson signatures of a Supersymmetric U(2) flavor model, with relatively light (electroweak scale masses) third generation right-handed scalars. We impose current B and K meson experimental constraints on such a theory, and obtain expectations for B->X_s gamma, B->X_s glue, B->X_s l+ l-, B->phi K_s, B_s-B_s...
2201.00600
Neda Darvishi
Neda Darvishi, M.R. Masouminia and Apostolos Pilaftsis
Higgs-Sector Predictions from Maximally Symmetric multi-Higgs Doublet Models
DISCRETE 2020-2021 Proceeding, 10 pages and 6 figures
null
null
IPPP/22/02
hep-ph
http://creativecommons.org/publicdomain/zero/1.0/
Maximally Symmetric $n$-Higgs Doublet Models (MS-$n$HDMs)define very economic settings that enable sharp Higgs-sector predictions beyond the Standard Model (SM) potentially testable at high-energy colliders. The scalar potential of a MS-$n$HDM obeys an $\mathrm{Sp(2}n)$ symmetry, which is softly broken by bilinear sc...
[ { "created": "Mon, 3 Jan 2022 12:03:47 GMT", "version": "v1" } ]
2022-01-04
[ [ "Darvishi", "Neda", "" ], [ "Masouminia", "M. R.", "" ], [ "Pilaftsis", "Apostolos", "" ] ]
Maximally Symmetric $n$-Higgs Doublet Models (MS-$n$HDMs)define very economic settings that enable sharp Higgs-sector predictions beyond the Standard Model (SM) potentially testable at high-energy colliders. The scalar potential of a MS-$n$HDM obeys an $\mathrm{Sp(2}n)$ symmetry, which is softly broken by bilinear scal...
1704.04928
Kazem Azizi
S. S. Agaev, K. Azizi, H. Sundu
Interpretation of the new $\Omega_c^{0}$ states via their mass and width
12 Pages, 4 Figures and 4 Tables
null
10.1140/epjc/s10052-017-4953-z
null
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The mass and pole residue of the ground and first radially excited $ \Omega_c^{0}$ states with spin-parities $J^{P}=1/2^{+},\,3/2^{+}$, as well as P-wave $\Omega_c^{0}$ with $J^{P}=1/2^{-},\,3/2^{-}$ are calculated by means of the two-point QCD sum rules. The strong decays of $\Omega_c^{0}$ baryons are also studied a...
[ { "created": "Mon, 17 Apr 2017 11:04:41 GMT", "version": "v1" }, { "created": "Sat, 13 May 2017 19:40:09 GMT", "version": "v2" } ]
2017-06-28
[ [ "Agaev", "S. S.", "" ], [ "Azizi", "K.", "" ], [ "Sundu", "H.", "" ] ]
The mass and pole residue of the ground and first radially excited $ \Omega_c^{0}$ states with spin-parities $J^{P}=1/2^{+},\,3/2^{+}$, as well as P-wave $\Omega_c^{0}$ with $J^{P}=1/2^{-},\,3/2^{-}$ are calculated by means of the two-point QCD sum rules. The strong decays of $\Omega_c^{0}$ baryons are also studied and...
1403.8036
Evgenij Martynov
A. Alkin, E. Martynov, O. Kovalenko, S.M. Troshin
Impact analysis of TOTEM data at the LHC: black disk limit exceeded
5 pages, 5 figures
null
10.1103/PhysRevD.89.091501
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss the profile of the impact--parameter dependent elastic scattering amplitude. Extraction of impact-parameter dependence from the dataset with inclusion of the experimental data on elastic scattering at the LHC energies helps to reveal the asymptotics of hadron interactions. Analysis of the data clearly indi...
[ { "created": "Mon, 31 Mar 2014 15:04:56 GMT", "version": "v1" } ]
2015-06-19
[ [ "Alkin", "A.", "" ], [ "Martynov", "E.", "" ], [ "Kovalenko", "O.", "" ], [ "Troshin", "S. M.", "" ] ]
We discuss the profile of the impact--parameter dependent elastic scattering amplitude. Extraction of impact-parameter dependence from the dataset with inclusion of the experimental data on elastic scattering at the LHC energies helps to reveal the asymptotics of hadron interactions. Analysis of the data clearly indica...
hep-ph/0008071
Christoph Greub
C. Greub (Bern) and P. Liniger (Bern)
The rare decay b--> s gluon beyond leading logarithms
14 pages including 5 postscript figures; uses epsfig
Phys.Lett.B494:237-247,2000
10.1016/S0370-2693(00)01205-3
BUTP-00/21
hep-ph
null
We calculate the alpha_s virtual corrections to the decay width for b --> s gluon in the standard model. Also the corresponding order alpha_s bremsstrahlung corrections are systematically calculated in this paper. The combined result is free of infrared and collinear singularities, in accordance with the KLN theorem....
[ { "created": "Tue, 8 Aug 2000 17:27:01 GMT", "version": "v1" } ]
2011-01-05
[ [ "Greub", "C.", "", "Bern" ], [ "Liniger", "P.", "", "Bern" ] ]
We calculate the alpha_s virtual corrections to the decay width for b --> s gluon in the standard model. Also the corresponding order alpha_s bremsstrahlung corrections are systematically calculated in this paper. The combined result is free of infrared and collinear singularities, in accordance with the KLN theorem. T...
2204.09528
Attaphon Kaewsnod
A. Kaewsnod, K. Xu, Z. Zhao, X. Y. Liu, S. Srisuphaphon, A. Limphirat, Y. Yan
Study of $N(1520)$ and $N(1535)$ structures via $\gamma^*p\to N^*$ transitions
6 pages, 3 figures
null
10.1140/epja/s10050-022-00837-0
null
hep-ph nucl-th
http://creativecommons.org/licenses/by/4.0/
The helicity amplitudes of the $N(1520)$ and $N(1535)$ resonances in the $\gamma^*p\to N^*$ electromagnetic transition are studied in the constituent quark model using the impulse approximation, with the proton and resonances assumed to be in three-quark configurations. The comparison of theoretical results and exper...
[ { "created": "Wed, 20 Apr 2022 15:08:37 GMT", "version": "v1" } ]
2022-09-28
[ [ "Kaewsnod", "A.", "" ], [ "Xu", "K.", "" ], [ "Zhao", "Z.", "" ], [ "Liu", "X. Y.", "" ], [ "Srisuphaphon", "S.", "" ], [ "Limphirat", "A.", "" ], [ "Yan", "Y.", "" ] ]
The helicity amplitudes of the $N(1520)$ and $N(1535)$ resonances in the $\gamma^*p\to N^*$ electromagnetic transition are studied in the constituent quark model using the impulse approximation, with the proton and resonances assumed to be in three-quark configurations. The comparison of theoretical results and experim...
0907.0474
Csaba Csaki
Csaba Csaki, Gilad Perez, Ze'ev Surujon and Andreas Weiler
Flavor Alignment via Shining in RS
28 pages
null
10.1103/PhysRevD.81.075025
CERN-PH-TH/2009-109; UCSD/PTH 09-06
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a class of warped extra dimensional models whose flavor violating interactions are much suppressed compared to the usual anarchic case due to flavor alignment. Such suppression can be achieved in models where part of the global flavor symmetry is gauged in the bulk and broken in a controlled manner. We sho...
[ { "created": "Thu, 2 Jul 2009 21:15:52 GMT", "version": "v1" } ]
2013-05-29
[ [ "Csaki", "Csaba", "" ], [ "Perez", "Gilad", "" ], [ "Surujon", "Ze'ev", "" ], [ "Weiler", "Andreas", "" ] ]
We present a class of warped extra dimensional models whose flavor violating interactions are much suppressed compared to the usual anarchic case due to flavor alignment. Such suppression can be achieved in models where part of the global flavor symmetry is gauged in the bulk and broken in a controlled manner. We show ...
1404.6860
Yan-Qing Ma
Yan-Qing Ma and Jian-Wei Qiu
Extracting Parton Distribution Functions from Lattice QCD Calculations
references updated, version published at PRD
Phys. Rev. D 98, 074021 (2018)
10.1103/PhysRevD.98.074021
null
hep-ph hep-lat nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Parton distribution functions (PDFs) are nonperturbative quantities describing the relation between a hadron and quarks and gluons within it. We propose to extract PDFs from QCD global analysis of "data" generated by lattice QCD calculations of good "lattice cross sections", which are basically single-hadron matrix e...
[ { "created": "Mon, 28 Apr 2014 03:28:24 GMT", "version": "v1" }, { "created": "Sun, 10 Sep 2017 03:23:03 GMT", "version": "v2" }, { "created": "Tue, 23 Oct 2018 16:49:23 GMT", "version": "v3" } ]
2018-10-24
[ [ "Ma", "Yan-Qing", "" ], [ "Qiu", "Jian-Wei", "" ] ]
Parton distribution functions (PDFs) are nonperturbative quantities describing the relation between a hadron and quarks and gluons within it. We propose to extract PDFs from QCD global analysis of "data" generated by lattice QCD calculations of good "lattice cross sections", which are basically single-hadron matrix ele...
2201.13245
George W.-S. Hou
George Wei-Shu Hou
CP Violation for the Heavens and the Earth
21 pages, 12 figures, invited review
null
null
null
hep-ph hep-ex
http://creativecommons.org/licenses/by/4.0/
Electroweak baryogenesis can be driven by the top quark in a general two Higgs doublet model with extra Yukawa couplings. Higgs quartics provide the first order phase transition, while extra top Yukawa coupling $\rho_{tt}$ can fuel the cosmic baryon asymmetry through the $\lambda_t\,{\rm Im}\,\rho_{tt}$ product, with...
[ { "created": "Fri, 28 Jan 2022 15:36:51 GMT", "version": "v1" } ]
2022-02-01
[ [ "Hou", "George Wei-Shu", "" ] ]
Electroweak baryogenesis can be driven by the top quark in a general two Higgs doublet model with extra Yukawa couplings. Higgs quartics provide the first order phase transition, while extra top Yukawa coupling $\rho_{tt}$ can fuel the cosmic baryon asymmetry through the $\lambda_t\,{\rm Im}\,\rho_{tt}$ product, with f...
hep-ph/9507341
Sourendu Gupta
Sourendu Gupta(TIFR, Bombay, India), D. Indumathi(Dortmund, Germany), P. Mathews(CTS, IISC, Bangalore, India), V. Ravindran(TIFR, Bombay, India)
Bloch-Nordsieck Thermometers: One-loop Exponentiation in Finite Temperature QED
LaTeX file, 29 pages including 3 figures
Nucl.Phys. B458 (1996) 189-214
10.1016/0550-3213(95)00558-7
TIFR/TH/95-05, DO-TH-95-03, IISC-CTS-1/95
hep-ph
null
We study the scattering of hard external particles in a heat bath in a real-time formalism for finite temperature QED. We investigate the distribution of the 4-momentum difference of initial and final hard particles in a fully covariant manner when the scale of the process, $Q$, is much larger than the temperature, $...
[ { "created": "Wed, 19 Jul 1995 19:24:42 GMT", "version": "v1" } ]
2009-10-28
[ [ "Gupta", "Sourendu", "", "TIFR, Bombay, India" ], [ "Indumathi", "D.", "", "Dortmund, Germany" ], [ "Mathews", "P.", "", "CTS, IISC, Bangalore, India" ], [ "Ravindran", "V.", "", "TIFR, Bombay, India" ] ]
We study the scattering of hard external particles in a heat bath in a real-time formalism for finite temperature QED. We investigate the distribution of the 4-momentum difference of initial and final hard particles in a fully covariant manner when the scale of the process, $Q$, is much larger than the temperature, $T$...
hep-ph/9310283
null
Julian Schwinger (University of California, Los Angeles)
The Greening of Quantum Field Theory: George and I
11 pages
null
null
null
hep-ph
null
This is a lecture given July 14, 1993, at Nottingham.
[ { "created": "Thu, 14 Oct 1993 01:05:00 GMT", "version": "v1" } ]
2007-05-23
[ [ "Schwinger", "Julian", "", "University of California, Los Angeles" ] ]
This is a lecture given July 14, 1993, at Nottingham.
1502.03045
Rosti Konoplich
N. Belyaev, R. Konoplich, L. Egholm Pedersen, and K. Prokofiev
Angular asymmetries as a probe for anomalous contributions to HZZ vertex at the LHC
9 pages, 8 figures; added 3 references for section 1; added 3 references, added missing unit GeV in Table III and 4 clarifying sentences to the text
Phys. Rev. D 91, 115014 (2015)
10.1103/PhysRevD.91.115014
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this article, the prospects for studying the tensor structure of the HZZ vertex with the LHC experiments are presented. The structure of tensor couplings in Higgs di-boson decays is investigated by measuring the asymmetries and by studing the shapes of the final state angular distributions. The expected background...
[ { "created": "Tue, 10 Feb 2015 19:21:07 GMT", "version": "v1" }, { "created": "Sat, 14 Feb 2015 18:44:14 GMT", "version": "v2" }, { "created": "Thu, 28 May 2015 15:21:34 GMT", "version": "v3" } ]
2015-06-24
[ [ "Belyaev", "N.", "" ], [ "Konoplich", "R.", "" ], [ "Pedersen", "L. Egholm", "" ], [ "Prokofiev", "K.", "" ] ]
In this article, the prospects for studying the tensor structure of the HZZ vertex with the LHC experiments are presented. The structure of tensor couplings in Higgs di-boson decays is investigated by measuring the asymmetries and by studing the shapes of the final state angular distributions. The expected background c...
1109.3754
Alexander E. Dorokhov
A.E. Dorokhov
Pseudoscalar meson form factors and decays
14 pages, 7 figures, based on the talks given at Hadron Structure 11 (Slovakia, Tatransk\'a \v{S}trba, June 27th - July 1st, 2011), The Actual Problems of Microworld Physics (Gomel, Belarus, August 1 - 12, 2011), International Workshop on e+e- collisions from Phi to Psi (Novosibirsk, Russia, September 19-22, 20...
null
10.1016/j.nuclphysbps.2012.02.030
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this communication we discuss few topics related with modern experimental data on the physics of light pseudoscalar mesons. It includes the contribution of the pseudoscalar mesons to the muon anomalous magnetic moment (AMM), $g-2$, the rare decays of light pseudoscalar mesons to lepton pair, the transition form fa...
[ { "created": "Sat, 17 Sep 2011 07:37:50 GMT", "version": "v1" }, { "created": "Thu, 6 Oct 2011 09:14:37 GMT", "version": "v2" } ]
2015-05-30
[ [ "Dorokhov", "A. E.", "" ] ]
In this communication we discuss few topics related with modern experimental data on the physics of light pseudoscalar mesons. It includes the contribution of the pseudoscalar mesons to the muon anomalous magnetic moment (AMM), $g-2$, the rare decays of light pseudoscalar mesons to lepton pair, the transition form fact...
1804.04560
Marcus Pernow
Tommy Ohlsson and Marcus Pernow
Running of Fermion Observables in Non-Supersymmetric SO(10) Models
15 pages, 3 figures, 4 tables. Final version published in JHEP
JHEP 11 (2018) 028
10.1007/JHEP11(2018)028
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the complete renormalization group running of fermion observables in two different realistic non-supersymmetric models based on the gauge group $\textrm{SO}(10)$ with intermediate symmetry breaking for both normal and inverted neutrino mass orderings. Contrary to results of previous works, we find that...
[ { "created": "Thu, 12 Apr 2018 15:13:55 GMT", "version": "v1" }, { "created": "Fri, 9 Nov 2018 12:32:51 GMT", "version": "v2" } ]
2018-11-12
[ [ "Ohlsson", "Tommy", "" ], [ "Pernow", "Marcus", "" ] ]
We investigate the complete renormalization group running of fermion observables in two different realistic non-supersymmetric models based on the gauge group $\textrm{SO}(10)$ with intermediate symmetry breaking for both normal and inverted neutrino mass orderings. Contrary to results of previous works, we find that t...
hep-ph/0206035
Hsin-Chia Cheng
Hsin-Chia Cheng
Universal Extra Dimensions at the e-e- Colliders
10 pages, talk presented at the e-e-01 workshop, University of California, Santa Cruz, Dec.7-9, 2001
Int.J.Mod.Phys.A18:2779-2786,2003
10.1142/S0217751X03016240
EFI-02-86
hep-ph
null
Universal Extra Dimensions (UEDs) with compactification radius near the TeV scale provide interesting phenomenology at future colliders. The collider signals of the first Kaluza-Klein (KK) level are very similar to those of a supersymmetric model with a nearly degenerate superpartner spectrum. The heavier first level...
[ { "created": "Tue, 4 Jun 2002 17:13:04 GMT", "version": "v1" } ]
2011-03-23
[ [ "Cheng", "Hsin-Chia", "" ] ]
Universal Extra Dimensions (UEDs) with compactification radius near the TeV scale provide interesting phenomenology at future colliders. The collider signals of the first Kaluza-Klein (KK) level are very similar to those of a supersymmetric model with a nearly degenerate superpartner spectrum. The heavier first level K...
1803.11199
Miguel Nebot
Joao M. Alves (Lisbon IST and CFTP), Francisco J. Botella (Valencia U. and IFIC), Gustavo C. Branco (Lisbon IST and CFTP), Fernando Cornet-Gomez (Valencia U. and IFIC), Miguel Nebot, Joao P. Silva (Lisbon IST and CFTP)
Symmetry Constrained Two Higgs Doublet Models
30 pages, 5 Tables
Phys. Rev. D 98, 035046 (2018)
10.1140/epjc/s10052-018-6116-2
CFTP/18-006
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study Two-Higgs-Doublet Models (2HDM) where Abelian symmetries have been introduced, leading to a drastic reduction in the number of free parameters in the 2HDM. Our analysis is inspired in BGL models, where, as the result of a symmetry of the Lagrangian, there are tree-level scalar mediated Flavour-Changing-Neutr...
[ { "created": "Thu, 29 Mar 2018 18:00:12 GMT", "version": "v1" } ]
2018-09-12
[ [ "Alves", "Joao M.", "", "Lisbon IST and CFTP" ], [ "Botella", "Francisco J.", "", "Valencia U.\n and IFIC" ], [ "Branco", "Gustavo C.", "", "Lisbon IST and CFTP" ], [ "Cornet-Gomez", "Fernando", "", "Valencia U. and IFIC" ], [ "N...
We study Two-Higgs-Doublet Models (2HDM) where Abelian symmetries have been introduced, leading to a drastic reduction in the number of free parameters in the 2HDM. Our analysis is inspired in BGL models, where, as the result of a symmetry of the Lagrangian, there are tree-level scalar mediated Flavour-Changing-Neutral...
hep-ph/9804360
Inna Grach
M.Shmatikov (Russian Research Center "Kurchatov Institute")
Quarkonium Mass Splitting Revisited: Effects of Closed Mesonic Channels
9 pages, plain LaTeX
Phys.Lett. B446 (1999) 43-47
10.1016/S0370-2693(98)01504-4
null
hep-ph
null
Modifications of the mass spectrum the quarkonium induced by its virtual dissociation into a pair of heavy mesons is considered. Coupling between quark and mesonic channels results in noticeable corrections to spin-dependent mass splitting. In particular, the observable hierarchy of mass splittings in the $\chi_c, \c...
[ { "created": "Wed, 22 Apr 1998 12:25:15 GMT", "version": "v1" } ]
2015-06-25
[ [ "Shmatikov", "M.", "", "Russian Research Center \"Kurchatov Institute\"" ] ]
Modifications of the mass spectrum the quarkonium induced by its virtual dissociation into a pair of heavy mesons is considered. Coupling between quark and mesonic channels results in noticeable corrections to spin-dependent mass splitting. In particular, the observable hierarchy of mass splittings in the $\chi_c, \chi...
0911.2547
Philipp Gubler
P.Gubler, D.Jido, T.Kojo, T.Nishikawa, M.Oka
Possible quantum numbers of the pentaquark \Theta^+(1540) in QCD sum rules
22 pages, 9 figures, 4 tables; typos corrected, reference added. Published in Phys. Rev. D
Phys.Rev.D80:114030,2009
10.1103/PhysRevD.80.114030
YITP-09-68, RBRC-822
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The QCD sum rule technique is employed to investigate pentaquark states with strangeness S = +1 and IJ^P = 0,1/2^\pm, 1,1/2^\pm, 0,3/2^\pm, 1,3/2^\pm. Throughout the calculation, emphasis is laid on the establishment of a valid Borel window, which corresponds to a region of the Borel mass, where the operator product ...
[ { "created": "Fri, 13 Nov 2009 06:56:32 GMT", "version": "v1" }, { "created": "Fri, 15 Jan 2010 08:10:27 GMT", "version": "v2" } ]
2010-01-15
[ [ "Gubler", "P.", "" ], [ "Jido", "D.", "" ], [ "Kojo", "T.", "" ], [ "Nishikawa", "T.", "" ], [ "Oka", "M.", "" ] ]
The QCD sum rule technique is employed to investigate pentaquark states with strangeness S = +1 and IJ^P = 0,1/2^\pm, 1,1/2^\pm, 0,3/2^\pm, 1,3/2^\pm. Throughout the calculation, emphasis is laid on the establishment of a valid Borel window, which corresponds to a region of the Borel mass, where the operator product ex...
0909.1204
Javier Vijande Asenjo
P. Gonzalez
Long-distance behavior of the quark-antiquark static potential. Application to light-quark mesons and heavy quarkonia
Accepted in PRD
Phys.Rev.D80:054010,2009
10.1103/PhysRevD.80.054010
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Screening effects from sea pairs on the quark-antiquark static potential are analyzed phenomenologically from the light-quark to the heavy-quark meson spectra. From the high excited light-quark meson spectrum a universal form for the screened static potential is proposed. This potential is then succesfully applied to...
[ { "created": "Mon, 7 Sep 2009 10:25:06 GMT", "version": "v1" } ]
2009-09-24
[ [ "Gonzalez", "P.", "" ] ]
Screening effects from sea pairs on the quark-antiquark static potential are analyzed phenomenologically from the light-quark to the heavy-quark meson spectra. From the high excited light-quark meson spectrum a universal form for the screened static potential is proposed. This potential is then succesfully applied to h...
hep-ph/0008213
Gogoladze Ilia
Ilia Gogoladze and Mirian Tsulaia
Anomalous U(1)_A and Electroweak Symmetry Breaking
Latex, 11 pages, discussions and references added
Mod.Phys.Lett. A16 (2001) 835-844
10.1142/S0217732301004005
JINR E2-2000-207, IC/2000/149
hep-ph hep-th
null
We suggest a new mechanism for electroweak symmetry breaking in the supersymmetric Standard Model. Our suggestion is based on the presence of an anomalous U(1)_A gauge symmetry, which naturally arises in the four dimensional superstring theory, and heavily relies on the value of the corresponding Fayet-Illiopoulos \x...
[ { "created": "Sat, 19 Aug 2000 22:20:59 GMT", "version": "v1" }, { "created": "Sat, 9 Sep 2000 16:13:41 GMT", "version": "v2" }, { "created": "Wed, 14 Feb 2001 22:57:34 GMT", "version": "v3" } ]
2009-10-31
[ [ "Gogoladze", "Ilia", "" ], [ "Tsulaia", "Mirian", "" ] ]
We suggest a new mechanism for electroweak symmetry breaking in the supersymmetric Standard Model. Our suggestion is based on the presence of an anomalous U(1)_A gauge symmetry, which naturally arises in the four dimensional superstring theory, and heavily relies on the value of the corresponding Fayet-Illiopoulos \xi-...
1301.3812
Dragan Lukman
Astri Kleppe
Flavour Symmetric Mass Matrices
8 pages, To appear in the Proceedings to the 15th Bled Workshop "What Comes Beyond Standard Models", DMFA ZALOZNISTVO, December 2012, Vol. 13, No. 2
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The structure of flavour space is determined by the form of the quark mass matrices in the weak flavour space basis. We examine some matrix textures in the light of flavour permutations symmetry arguments, for three and four families.
[ { "created": "Wed, 16 Jan 2013 20:11:40 GMT", "version": "v1" } ]
2013-01-17
[ [ "Kleppe", "Astri", "" ] ]
The structure of flavour space is determined by the form of the quark mass matrices in the weak flavour space basis. We examine some matrix textures in the light of flavour permutations symmetry arguments, for three and four families.
0711.2986
Robert Thorne S
R.S. Thorne
The role of uncertainties in parton distribution functions
10 pages, 15 figures as .ps or .eps files, invited talk at PHYSTAT-LHC Workshop on Statistical Issues for LHC Physics, June 2007
null
null
null
hep-ph
null
I consider the uncertainties in parton distributions and the consequences for hadronic cross-sections. There is ever-increasing sophistication in the relationship between the uncertainties of the distributions and the errors on the experimental data used to extract them. However, I demonstrate that this uncertainty i...
[ { "created": "Mon, 19 Nov 2007 18:07:19 GMT", "version": "v1" } ]
2007-11-20
[ [ "Thorne", "R. S.", "" ] ]
I consider the uncertainties in parton distributions and the consequences for hadronic cross-sections. There is ever-increasing sophistication in the relationship between the uncertainties of the distributions and the errors on the experimental data used to extract them. However, I demonstrate that this uncertainty is ...
hep-ph/9306237
Masaharu Tanabashi
Masaharu Tanabashi
Chiral Perturbation to One Loop Including the $\rho$ Meson
14pages, KEK-TH-349/KEK preprint 92-169
Phys.Lett. B316 (1993) 534-541
10.1016/0370-2693(93)91040-T
null
hep-ph
null
We formulate the chiral perturbation theory at the one loop level in the effective lagrangian including the $\rho$ meson as a dynamical gauge boson of a hidden local symmetry(HLS). The size of radiative correction to the phenomenological parameter $a$ of HLS is estimated to be about $10$\%. The complete list of ${\ca...
[ { "created": "Mon, 7 Jun 1993 13:18:39 GMT", "version": "v1" } ]
2009-10-22
[ [ "Tanabashi", "Masaharu", "" ] ]
We formulate the chiral perturbation theory at the one loop level in the effective lagrangian including the $\rho$ meson as a dynamical gauge boson of a hidden local symmetry(HLS). The size of radiative correction to the phenomenological parameter $a$ of HLS is estimated to be about $10$\%. The complete list of ${\cal ...
1209.3363
Natsumi Nagata
Natsumi Nagata
A calculation for vector dark matter direct detection
Contribution to the Proceedings of PASCOS2012 conference; 6 pages and 6 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We evaluate the elastic scattering cross section of vector dark matter with nucleon based on the method of effective field theory. The dark matter is assumed to behave as a vector particle under the Lorentz transformation and to interact with colored particles including quarks in the Standard Model. After formulating...
[ { "created": "Sat, 15 Sep 2012 07:21:03 GMT", "version": "v1" } ]
2012-09-18
[ [ "Nagata", "Natsumi", "" ] ]
We evaluate the elastic scattering cross section of vector dark matter with nucleon based on the method of effective field theory. The dark matter is assumed to behave as a vector particle under the Lorentz transformation and to interact with colored particles including quarks in the Standard Model. After formulating g...
1303.3833
Haiying Cai
Haiying Cai
Higgs decay into diphoton in the Composite Higgs Model
19 pages, and 4 figures, new form factor for H-Z-photon coupling from non diagonal gauge interaction is added in the appendix, final version
Phys. Rev. D 88, 035018 (2013)
10.1103/PhysRevD.88.035018
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We explore the Higgs couplings to gauge bosons in the minimal $SO(5)/SO(4)$ 4D composite Higgs model. The pions scatterings put unitary constraints on the couplings and therefore determine the branch ratios of various Higgs decays. Through fine tuning the parameters, enhancement of Higgs to diphoton rate is possible ...
[ { "created": "Fri, 15 Mar 2013 17:18:39 GMT", "version": "v1" }, { "created": "Wed, 1 May 2013 17:01:01 GMT", "version": "v2" }, { "created": "Thu, 8 Aug 2013 18:29:27 GMT", "version": "v3" } ]
2013-08-23
[ [ "Cai", "Haiying", "" ] ]
We explore the Higgs couplings to gauge bosons in the minimal $SO(5)/SO(4)$ 4D composite Higgs model. The pions scatterings put unitary constraints on the couplings and therefore determine the branch ratios of various Higgs decays. Through fine tuning the parameters, enhancement of Higgs to diphoton rate is possible to...
0804.0622
Johannes Heinonen
Csaba Csaki, Johannes Heinonen, Maxim Perelstein and Christian Spethmann
A Weakly Coupled Ultraviolet Completion of the Littlest Higgs with T-parity
v1: 30 pages, 4 figures v2: minor clarifications added and typos corrected
Phys.Rev.D79:035014,2009
10.1103/PhysRevD.79.035014
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We construct a weakly coupled, renormalizable ultraviolet completion of the Littlest Higgs model with T-parity (LHT), based on an SU(5)xSU(2)xU(1) gauge theory with a discrete Z_2 symmetry. Our model reproduces the complete structure of the LHT below the 10 TeV scale, including the collective symmetry breaking mechan...
[ { "created": "Fri, 4 Apr 2008 19:18:47 GMT", "version": "v1" }, { "created": "Thu, 3 Jul 2008 15:44:31 GMT", "version": "v2" } ]
2009-11-13
[ [ "Csaki", "Csaba", "" ], [ "Heinonen", "Johannes", "" ], [ "Perelstein", "Maxim", "" ], [ "Spethmann", "Christian", "" ] ]
We construct a weakly coupled, renormalizable ultraviolet completion of the Littlest Higgs model with T-parity (LHT), based on an SU(5)xSU(2)xU(1) gauge theory with a discrete Z_2 symmetry. Our model reproduces the complete structure of the LHT below the 10 TeV scale, including the collective symmetry breaking mechanis...
1303.5646
Cai-Dian Lu
Cheng Li, Cai-Dian Lu and Xiang-Dong Gao
Study the Forward-Backward Asymmetry of the Top Quark Production in the Randall-Sundrum Model with an Extension of Strong Interaction
14 pages, 6 figures, accepted for publication in PRD
null
10.1103/PhysRevD.88.056019
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The large forward-backward asymmetry of the top quark pair production measured by the hadron colliders shed light on new physics signals beyond the Standard Model. In the Randall-Sundrum model with an additional SU(3) group in the strong sector, we compare the total cross section and forward-backward asymmetry of the...
[ { "created": "Fri, 22 Mar 2013 15:33:34 GMT", "version": "v1" }, { "created": "Tue, 10 Sep 2013 09:48:22 GMT", "version": "v2" } ]
2013-10-02
[ [ "Li", "Cheng", "" ], [ "Lu", "Cai-Dian", "" ], [ "Gao", "Xiang-Dong", "" ] ]
The large forward-backward asymmetry of the top quark pair production measured by the hadron colliders shed light on new physics signals beyond the Standard Model. In the Randall-Sundrum model with an additional SU(3) group in the strong sector, we compare the total cross section and forward-backward asymmetry of the t...
hep-ph/9804268
Jake Lee
S.Y. Choi, Jake Lee and J. Song
CP Violation in the Cabbibo-suppressed Decay Tau->K Pi Nu_tau with Polarized Tau Leptons
LaTeX 13 pages, 1 figure eps included
Phys.Lett. B437 (1998) 191-200
10.1016/S0370-2693(98)00872-7
YUMS 98-06, SNUTP 98-30
hep-ph
null
CP violation from physics beyond the Standard Model (SM) is investigated in the Cabbibo-suppressed decay $\tau\to K\pi\nu_{\tau}$ with polarized $\tau$ leptons, to which both the ${\rm J}^{P}=1^-$ resonance $K^*$ and the $ J^{P}=0^+$ resonance $K^*_0$ contribute. In addition to the CP-odd rate asymmetry, $\tau$ polar...
[ { "created": "Fri, 10 Apr 1998 06:01:49 GMT", "version": "v1" } ]
2009-10-31
[ [ "Choi", "S. Y.", "" ], [ "Lee", "Jake", "" ], [ "Song", "J.", "" ] ]
CP violation from physics beyond the Standard Model (SM) is investigated in the Cabbibo-suppressed decay $\tau\to K\pi\nu_{\tau}$ with polarized $\tau$ leptons, to which both the ${\rm J}^{P}=1^-$ resonance $K^*$ and the $ J^{P}=0^+$ resonance $K^*_0$ contribute. In addition to the CP-odd rate asymmetry, $\tau$ polariz...
1403.6556
Khiem Hong Phan
P.H. Khiem, Y. Kurihara, J. Fujimoto, M. Igarashi, T. Ishikawa, T. Kaneko, K. Kato, N. Nakazawa, Y. Shimizu, K. Tobimatsu, T. Ueda, J.A.M. Vermaseren, Y. Yasui
Full $\mathcal{O}(\alpha)$ electroweak radiative corrections to $t \bar{t} \gamma$ and $e^-e^+\gamma$ productions at ILC with GRACE-Loop
4 pages, Proceedings of ICISE2013 - Rencontres du Vietnam, Windows on the Universe. 11-17 Aug 2013. Quy Nhon, Vietnam
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The full $\mathcal{O}(\alpha)$ electroweak radiative corrections to $t \bar{t} \gamma$ and $e^-e^+\gamma$ productions at the International Linear Collider (ILC) are presented in this paper. The computation is performed with the help of GRACE-Loop system. In the physical results, we discuss on the cross section, elect...
[ { "created": "Wed, 26 Mar 2014 01:58:05 GMT", "version": "v1" } ]
2014-03-27
[ [ "Khiem", "P. H.", "" ], [ "Kurihara", "Y.", "" ], [ "Fujimoto", "J.", "" ], [ "Igarashi", "M.", "" ], [ "Ishikawa", "T.", "" ], [ "Kaneko", "T.", "" ], [ "Kato", "K.", "" ], [ "Nakazawa", "N.", ...
The full $\mathcal{O}(\alpha)$ electroweak radiative corrections to $t \bar{t} \gamma$ and $e^-e^+\gamma$ productions at the International Linear Collider (ILC) are presented in this paper. The computation is performed with the help of GRACE-Loop system. In the physical results, we discuss on the cross section, electro...
hep-ph/0402125
Taizan Watari
Taizan Watari and T. Yanagida
GUT Phase Transition and Hybrid Inflation
11 pages; references added
Phys.Lett.B589:71-77,2004
10.1016/j.physletb.2004.03.026
LBNL-54530, UT04-05
hep-ph hep-th
null
The supersymmetric model of hybrid inflation is interesting not only because of its naturalness but also because of another reason. Its energy scale determined by the COBE normalization is 10^15 - 10^16 GeV. It happens to be the energy scale of interest in particle physics, namely, the mass scale of right-handed neut...
[ { "created": "Wed, 11 Feb 2004 19:44:01 GMT", "version": "v1" }, { "created": "Thu, 11 Mar 2004 18:30:14 GMT", "version": "v2" } ]
2014-11-17
[ [ "Watari", "Taizan", "" ], [ "Yanagida", "T.", "" ] ]
The supersymmetric model of hybrid inflation is interesting not only because of its naturalness but also because of another reason. Its energy scale determined by the COBE normalization is 10^15 - 10^16 GeV. It happens to be the energy scale of interest in particle physics, namely, the mass scale of right-handed neutri...
1106.4651
Gaber Faisel Dr
Gaber Faisel
Supersymmetric contributions to $\bar{B}_s \to \phi \pi^0$ and $\bar{B}_s \to \phi \rho^0$ decays in SCET
25 pages,5 figures, version accepted for publication
null
10.1007/JHEP08(2012)031
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study the decay modes $\bar{B}_s\to \phi \pi^0$ and $\bar{B}_s\to \phi \rho^0$ using Soft Collinear Effective Theory. Within Standard Model and including the error due to the SU(3) breaking effect in the SCET parameters we find that BR $\bar{B}_s\to \phi \pi^0 =7_{-1-2}^{+1+2}\times 10^{-8} $ and BR $\bar{B}_s\to ...
[ { "created": "Thu, 23 Jun 2011 08:24:17 GMT", "version": "v1" }, { "created": "Thu, 26 Jul 2012 16:33:12 GMT", "version": "v2" } ]
2015-05-28
[ [ "Faisel", "Gaber", "" ] ]
We study the decay modes $\bar{B}_s\to \phi \pi^0$ and $\bar{B}_s\to \phi \rho^0$ using Soft Collinear Effective Theory. Within Standard Model and including the error due to the SU(3) breaking effect in the SCET parameters we find that BR $\bar{B}_s\to \phi \pi^0 =7_{-1-2}^{+1+2}\times 10^{-8} $ and BR $\bar{B}_s\to \p...
hep-ph/9205214
null
C. Giunti, C.W. Kim and U.W. Lee
Oscillations of Pseudo-Dirac Neutrinos and the Solar Neutrino Problem
12 pages, 2 figures (not included)
Phys.Rev. D46 (1992) 3034-3039
10.1103/PhysRevD.46.3034
null
hep-ph
null
The oscillations of pseudo-Dirac neutrinos in matter are discussed and applied to the solar neutrino problem. Several scenarios such as both $\nu_e$ and $\nu_{\mu}$ being pseudo-Dirac and only $\nu_e$ or $\nu_{\mu}$ being pseudo-Dirac are examined. It is shown that the allowed region in the mass-mixing angle paramete...
[ { "created": "Sat, 9 May 1992 11:36:00 GMT", "version": "v1" } ]
2009-10-22
[ [ "Giunti", "C.", "" ], [ "Kim", "C. W.", "" ], [ "Lee", "U. W.", "" ] ]
The oscillations of pseudo-Dirac neutrinos in matter are discussed and applied to the solar neutrino problem. Several scenarios such as both $\nu_e$ and $\nu_{\mu}$ being pseudo-Dirac and only $\nu_e$ or $\nu_{\mu}$ being pseudo-Dirac are examined. It is shown that the allowed region in the mass-mixing angle parameter ...
2008.13685
Somnath Kar
Somnath Kar, Subikash Choudhury, Xiaoming Zhang, and Daicui Zhou
Examining the event-shape dependent modifications to charged-particle transverse momentum spectra and elliptic flow in p-Pb collisions at energies available at the CERN Large Hadron Collider
8 pages, 7 figures, Accepted in Physical Review C
Phys. Rev. C 102, 044901 (2020)
10.1103/PhysRevC.102.044901
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Purported signatures of collective dynamics in small systems like proton-proton (pp) or proton-nucleus (p-A) collisions still lack unambiguous understanding. Despite the qualitative and/or quantitative agreement of the data to hydrodynamic models, it has remained unclear whether the harmonic flows in small systems re...
[ { "created": "Mon, 31 Aug 2020 15:46:15 GMT", "version": "v1" } ]
2020-10-07
[ [ "Kar", "Somnath", "" ], [ "Choudhury", "Subikash", "" ], [ "Zhang", "Xiaoming", "" ], [ "Zhou", "Daicui", "" ] ]
Purported signatures of collective dynamics in small systems like proton-proton (pp) or proton-nucleus (p-A) collisions still lack unambiguous understanding. Despite the qualitative and/or quantitative agreement of the data to hydrodynamic models, it has remained unclear whether the harmonic flows in small systems rela...
hep-ph/9511246
Nikolai Kochelev
N.I.Kochelev
Anomalous violation of the OZI-rule in the $N\bar N\to \Phi\Phi$, $N\bar N\to \Phi\gamma$ reactions and instantons
13 pages, 3 figures
Phys.Atom.Nucl.59:1643-1647,1996; Yad.Fiz.59N9:1698-1702,1996
null
Preprint IFUP-TH-59/95
hep-ph
null
It is shown, that specific properties of the instanton induced interaction between quarks leads to the anomalous violation of the OZI-rule in the $N\bar N\to \Phi\Phi$, $N\bar N\to \Phi\gamma$ reactions. In the framework of instanton model of the QCD vacuum, the energy dependence of the cross sections of these reacti...
[ { "created": "Mon, 6 Nov 1995 19:56:56 GMT", "version": "v1" } ]
2011-04-15
[ [ "Kochelev", "N. I.", "" ] ]
It is shown, that specific properties of the instanton induced interaction between quarks leads to the anomalous violation of the OZI-rule in the $N\bar N\to \Phi\Phi$, $N\bar N\to \Phi\gamma$ reactions. In the framework of instanton model of the QCD vacuum, the energy dependence of the cross sections of these reaction...
0809.4787
David McKeen
David McKeen
Constraining Light Bosons with Radiative $\Upsilon(1S)$ Decays
8 pages, 16 figures, RevTeX; v2: published version
Phys.Rev.D79:015007,2009
10.1103/PhysRevD.79.015007
EFI 08-27
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Light bosons can be found in large classes of theories beyond the Standard Model. These light bosons may not be ruled out by current experiments and, indeed, may even provide an explanation for some anomalous experimental results. The radiative decays of quarkonium ($c \bar c, b \bar b$) states offer a promising oppo...
[ { "created": "Sat, 27 Sep 2008 17:25:40 GMT", "version": "v1" }, { "created": "Mon, 30 Mar 2009 18:28:09 GMT", "version": "v2" } ]
2009-03-30
[ [ "McKeen", "David", "" ] ]
Light bosons can be found in large classes of theories beyond the Standard Model. These light bosons may not be ruled out by current experiments and, indeed, may even provide an explanation for some anomalous experimental results. The radiative decays of quarkonium ($c \bar c, b \bar b$) states offer a promising opport...
hep-ph/0002282
Paolo Lipari
Paolo Lipari
The geometry of atmospheric neutrino production
26 pages, 11 figures
Astropart.Phys.14:153-170,2000
10.1016/S0927-6505(00)00129-8
null
hep-ph
null
The zenith angle distributions of atmospheric neutrinos are determined by the possible presence of neutrino oscillations and the combination of three most important contributions: (1) geomagnetic effects on the primary cosmic rays, that suppress the primary flux in the Earth's magnetic equatorial region, (2) the zeni...
[ { "created": "Sun, 27 Feb 2000 09:09:39 GMT", "version": "v1" } ]
2011-05-23
[ [ "Lipari", "Paolo", "" ] ]
The zenith angle distributions of atmospheric neutrinos are determined by the possible presence of neutrino oscillations and the combination of three most important contributions: (1) geomagnetic effects on the primary cosmic rays, that suppress the primary flux in the Earth's magnetic equatorial region, (2) the zenith...
hep-ph/9702231
J. W. F. Valle
J. W. F. Valle (U. Valencia-IFIC/CIC)
Neutrinos and Physics Beyond the Standard Model
Invited talk at KEK 4th Topical Conference on Flavor Physics, October 1996, to be published by Nuclear Physics Proceedings Supplements, latex file, 14 pages, including 9 figures, uses psfig.sty and espcrc2.sty
Nucl.Phys.Proc.Suppl.59:249-261,1997
10.1016/S0920-5632(97)00449-0
FTUV/97-5; IFIC/97-5
hep-ph astro-ph
null
A brief sketch is made of the present observational status of neutrino physics, with emphasis on the hints that follow from solar and atmospheric neutrino observations, as well as cosmological data on the amplitude of primordial density fluctuations. I also briefly review the ways to account for the observed anomalie...
[ { "created": "Mon, 3 Feb 1997 18:12:54 GMT", "version": "v1" } ]
2009-09-17
[ [ "Valle", "J. W. F.", "", "U. Valencia-IFIC/CIC" ] ]
A brief sketch is made of the present observational status of neutrino physics, with emphasis on the hints that follow from solar and atmospheric neutrino observations, as well as cosmological data on the amplitude of primordial density fluctuations. I also briefly review the ways to account for the observed anomalies ...
hep-ph/0211452
H. C. G. Caldas
H.C. de Godoy Caldas and M. Hott
Analytic Properties of Thermal Corrected Boson Propagators
11 pages, no figures, revtex, typos corrected, two references included, to be published in Phys. Rev. D
Phys.Rev. D67 (2003) 045011
10.1103/PhysRevD.67.045011
null
hep-ph
null
We investigate the analytic properties of finite-temperature self-energies of bosons interacting with fermions at one-loop order. A simple boson-fermion model was chosen due to its interesting features of having two distinct couplings of bosons with fermions. This leads to a quite different analytic behavior of the b...
[ { "created": "Thu, 28 Nov 2002 22:27:35 GMT", "version": "v1" }, { "created": "Tue, 4 Feb 2003 23:33:13 GMT", "version": "v2" } ]
2009-11-07
[ [ "Caldas", "H. C. de Godoy", "" ], [ "Hott", "M.", "" ] ]
We investigate the analytic properties of finite-temperature self-energies of bosons interacting with fermions at one-loop order. A simple boson-fermion model was chosen due to its interesting features of having two distinct couplings of bosons with fermions. This leads to a quite different analytic behavior of the bos...
1812.05102
Nirmal Raj
David McKeen, Nirmal Raj
Monochromatic dark neutrinos and boosted dark matter in noble liquid direct detection
13 pages revtex4, 6 figures
Phys. Rev. D 99, 103003 (2019)
10.1103/PhysRevD.99.103003
null
hep-ph astro-ph.HE hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
If dark matter self-annihilates into neutrinos or a second component of ("boosted") dark matter that is nucleophilic, the annihilation products may be detected with high rates via coherent nuclear scattering. A future multi-ten-tonne liquid xenon detector such as DARWIN, and a multi-hundred-tonne liquid argon detecto...
[ { "created": "Wed, 12 Dec 2018 19:00:00 GMT", "version": "v1" } ]
2019-05-22
[ [ "McKeen", "David", "" ], [ "Raj", "Nirmal", "" ] ]
If dark matter self-annihilates into neutrinos or a second component of ("boosted") dark matter that is nucleophilic, the annihilation products may be detected with high rates via coherent nuclear scattering. A future multi-ten-tonne liquid xenon detector such as DARWIN, and a multi-hundred-tonne liquid argon detector,...
1202.0021
Bengt Friman
Bengt Friman
Phase transitions at finite density
10 pages, 8 figures, Presented at the HIC for FAIR Workshop and XXVIII Max Born Symposium "Three days on Quarkyonic Island", Wroclaw, Poland, 19-21 May, 2011, reference corrected, two typos corrected
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
I discuss the analytic structure of thermodynamic quantities for complex values of thermodynamic variables within Landau theory. In particular, the singularities connected with phase transitions of second order, first order and cross over types are examined. A conformal mapping is introduced, which may be used to exp...
[ { "created": "Tue, 31 Jan 2012 21:10:43 GMT", "version": "v1" }, { "created": "Thu, 2 Feb 2012 09:33:25 GMT", "version": "v2" }, { "created": "Mon, 1 Jul 2013 12:21:08 GMT", "version": "v3" } ]
2013-07-02
[ [ "Friman", "Bengt", "" ] ]
I discuss the analytic structure of thermodynamic quantities for complex values of thermodynamic variables within Landau theory. In particular, the singularities connected with phase transitions of second order, first order and cross over types are examined. A conformal mapping is introduced, which may be used to explo...
1710.11206
Jack Setford
Jack Setford
Composite Higgs models in disguise
null
null
10.1007/JHEP01(2018)092
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present a mechanism for disguising one composite Higgs model as another. Allowing the global symmetry of the strong sector to be broken by large mixings with elementary fields, we show that we can disguise one coset $\mathcal G/\mathcal H$ such that at low energies the phenomenology of the model is better describe...
[ { "created": "Mon, 30 Oct 2017 19:22:49 GMT", "version": "v1" }, { "created": "Thu, 11 Jan 2018 12:00:24 GMT", "version": "v2" } ]
2018-02-14
[ [ "Setford", "Jack", "" ] ]
We present a mechanism for disguising one composite Higgs model as another. Allowing the global symmetry of the strong sector to be broken by large mixings with elementary fields, we show that we can disguise one coset $\mathcal G/\mathcal H$ such that at low energies the phenomenology of the model is better described ...
2404.06523
Han Zhang
Yao Yu, Han Zhang, Bai-Cian Ke
A Novel Model-Independent Approach to Explore New Physics in Five-body Semileptonic Decays
arXiv admin note: text overlap with arXiv:2404.04816
null
null
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We derive three parameters associated with the angular distribution of semileptonic five-body decays $D_{(s)}/B_{(s)}\to V\ell^+\nu_{\ell}\,(\ell=e,\mu,\tau)$ with $V\to PPP$, where $V$ and $P$ denote vector and pseudo-scalar particles. These parameters, expected to be unity in the Standard Model, may deviate if new ...
[ { "created": "Tue, 9 Apr 2024 03:24:56 GMT", "version": "v1" } ]
2024-04-11
[ [ "Yu", "Yao", "" ], [ "Zhang", "Han", "" ], [ "Ke", "Bai-Cian", "" ] ]
We derive three parameters associated with the angular distribution of semileptonic five-body decays $D_{(s)}/B_{(s)}\to V\ell^+\nu_{\ell}\,(\ell=e,\mu,\tau)$ with $V\to PPP$, where $V$ and $P$ denote vector and pseudo-scalar particles. These parameters, expected to be unity in the Standard Model, may deviate if new ph...
2205.15470
Guo-Li Wang
Guo-Li Wang, Qiang Li, Tianhong Wang, Tai-Fu Feng, Xing-Gang Wu, Chao-Hsi Chang
The solution to the `$1/2$ vs $3/2$' puzzle
18 pages, 5 figures
Eur. Phys. J. C 82 (2022) 1027
10.1140/epjc/s10052-022-10997-4
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Using an almost complete relativistic method based on the Bethe-Salpeter equation, we study the mixing angle $\theta$, the mass splitting $\bigtriangleup M$, the strong decay widths $\Gamma(D^{({\prime})}_1)$ and the weak production rates $Br(B\to D^{({\prime})}_1\ell\nu_{\ell})$ of the $D_1(2420)$ and $D_1^{\prime}(...
[ { "created": "Mon, 30 May 2022 23:54:30 GMT", "version": "v1" }, { "created": "Tue, 22 Nov 2022 13:17:33 GMT", "version": "v2" } ]
2022-11-30
[ [ "Wang", "Guo-Li", "" ], [ "Li", "Qiang", "" ], [ "Wang", "Tianhong", "" ], [ "Feng", "Tai-Fu", "" ], [ "Wu", "Xing-Gang", "" ], [ "Chang", "Chao-Hsi", "" ] ]
Using an almost complete relativistic method based on the Bethe-Salpeter equation, we study the mixing angle $\theta$, the mass splitting $\bigtriangleup M$, the strong decay widths $\Gamma(D^{({\prime})}_1)$ and the weak production rates $Br(B\to D^{({\prime})}_1\ell\nu_{\ell})$ of the $D_1(2420)$ and $D_1^{\prime}(24...
hep-ph/9808334
Chang-Pu Sun
C.P.Sun and D.L.Zhou
Quantum decoherence effect and neutrino oscillation
Revtex 4 pages, address: Institute of Theoretical Physics, Academia Sinica, Beijing, China; www: http://www.itp.ac.cn/~suncp
null
null
ITP-AC-quantum 98-10
hep-ph hep-th quant-ph
null
In the view of the quantum dynamic theory of measurement developed from the Hepp-Colemen (HC) model (K. Hepp, Hev.Phys.Acta, {\bf 45}, 237 (1972)), the quantum decoherence in neutrino flavor oscillation caused by an environment surrounding neutrinos is generally considered in this paper. The Ellis, Hagelin, Nanopoulo...
[ { "created": "Sat, 15 Aug 1998 09:05:03 GMT", "version": "v1" } ]
2007-05-23
[ [ "Sun", "C. P.", "" ], [ "Zhou", "D. L.", "" ] ]
In the view of the quantum dynamic theory of measurement developed from the Hepp-Colemen (HC) model (K. Hepp, Hev.Phys.Acta, {\bf 45}, 237 (1972)), the quantum decoherence in neutrino flavor oscillation caused by an environment surrounding neutrinos is generally considered in this paper. The Ellis, Hagelin, Nanopoulos ...
hep-ph/0003247
Carlos L. Schat
Carlos L. Schat (Rio de Janeiro, Faperj & Uerj) and Norberto N. Scoccola (Buenos Aires, Conicet, Cnea & Favaloro U.)
Multibaryons in the collective coordinate approach to the SU(3) Skyrme model
16 pages, 1 figure
Phys.Rev.D62:074010,2000
10.1103/PhysRevD.62.074010
TAN-FNT-00-03
hep-ph nucl-th
null
We obtain the rotational spectrum of strange multibaryon states by performing the SU(3) collective coordinate quantization of the static multi-Skyrmions. These background configurations are given in terms of rational maps, which are very good approximations and share the same symmetries as the exact solutions. Thus, ...
[ { "created": "Fri, 24 Mar 2000 19:59:24 GMT", "version": "v1" } ]
2010-11-19
[ [ "Schat", "Carlos L.", "", "Rio de Janeiro, Faperj & Uerj" ], [ "Scoccola", "Norberto N.", "", "Buenos Aires, Conicet, Cnea & Favaloro U." ] ]
We obtain the rotational spectrum of strange multibaryon states by performing the SU(3) collective coordinate quantization of the static multi-Skyrmions. These background configurations are given in terms of rational maps, which are very good approximations and share the same symmetries as the exact solutions. Thus, th...
hep-ph/0605230
Alexei Martynenko
D.Ebert (Institut fur Physik, Humboldt U. zu Berlin), A.P.Martynenko (Institut fur Physik, Humboldt U. zu Berlin and Samara State U.)
Relativistic effects in the production of pseudoscalar and vector doubly heavy mesons from e^+e^- annihilation
18 pages, 4 figures
Phys.Rev.D74:054008,2006
10.1103/PhysRevD.74.054008
HU-EP-06/13
hep-ph
null
On the basis of the perturbative QCD and the relativistic quark model we investigate the relativistic and bound state effects in the production processes of a pair of $S$-wave doubly heavy mesons with opposite charge conjugation consisting of $b$ and $c$ quarks. All possible relativistic corrections in the production...
[ { "created": "Mon, 22 May 2006 12:43:07 GMT", "version": "v1" }, { "created": "Mon, 29 May 2006 11:44:43 GMT", "version": "v2" } ]
2008-11-26
[ [ "Ebert", "D.", "", "Institut fur Physik, Humboldt U. zu Berlin" ], [ "Martynenko", "A. P.", "", "Institut fur Physik, Humboldt U. zu Berlin and Samara State U." ] ]
On the basis of the perturbative QCD and the relativistic quark model we investigate the relativistic and bound state effects in the production processes of a pair of $S$-wave doubly heavy mesons with opposite charge conjugation consisting of $b$ and $c$ quarks. All possible relativistic corrections in the production a...
0708.2328
Maxim Dvornikov
Maxim Dvornikov (University of Jyv\"askyl\"a and IZMIRAN)
Neutrino oscillations in matter and in twisting magnetic fields
13 pages, 1 eps figure, RevTeX4. The paper was significantly revised. Title was changed, two new sections (Secs. IV and V), devoted to quantum mechanical treatment of neutrino oscillations and possible applications, were added. Many examples were included throughout the text. Final version to be published in J....
J.Phys.G35:025003,2008
10.1088/0954-3899/35/2/025003
null
hep-ph hep-th
null
We find the solution to the Dirac equation for a massive neutrino with a magnetic moment propagating in background matter and interacting with the twisting magnetic field. In frames of the relativistic quantum mechanics approach to the description of neutrino evolution we use the obtained solution to derive neutrino ...
[ { "created": "Fri, 17 Aug 2007 08:00:05 GMT", "version": "v1" }, { "created": "Fri, 30 Nov 2007 13:08:23 GMT", "version": "v2" } ]
2008-11-26
[ [ "Dvornikov", "Maxim", "", "University of Jyväskylä and IZMIRAN" ] ]
We find the solution to the Dirac equation for a massive neutrino with a magnetic moment propagating in background matter and interacting with the twisting magnetic field. In frames of the relativistic quantum mechanics approach to the description of neutrino evolution we use the obtained solution to derive neutrino wa...
hep-ph/9407308
Denis Perret-Gallix
J. Fujimoto, T. Ishikawa, S. Kawabata, Y. Kurihara, Y. Shimizu D. Perret-Gallix
Non-resonant diagrams in radiative four-fermion processes
6 pages, latex, KEK-CP-015, KEK Preprint 94-46, LAPP-Exp.-94.09
Nucl.Phys.Proc.Suppl. 37B (1994) 169
10.1016/0920-5632(94)90673-4
null
hep-ph
null
The complete tree level cross section for $e^+e^- \to e^- \bar\nu_e u \bar{d} \gamma$ is computed and discussed in comparison with the cross sections for $e^+e^- \to e^- \bar\nu_e u \bar{d} $ and $e^+e^- \to \bar{u} d u \bar{d}$. Event generators based on the GRACE package for the non-radiative and radiative case are...
[ { "created": "Fri, 15 Jul 1994 16:26:43 GMT", "version": "v1" }, { "created": "Wed, 20 Jul 1994 11:40:06 GMT", "version": "v2" }, { "created": "Fri, 22 Jul 1994 22:09:27 GMT", "version": "v3" } ]
2009-10-28
[ [ "Fujimoto", "J.", "" ], [ "Ishikawa", "T.", "" ], [ "Kawabata", "S.", "" ], [ "Kurihara", "Y.", "" ], [ "Perret-Gallix", "Y. Shimizu D.", "" ] ]
The complete tree level cross section for $e^+e^- \to e^- \bar\nu_e u \bar{d} \gamma$ is computed and discussed in comparison with the cross sections for $e^+e^- \to e^- \bar\nu_e u \bar{d} $ and $e^+e^- \to \bar{u} d u \bar{d}$. Event generators based on the GRACE package for the non-radiative and radiative case are p...
hep-ph/0209193
Vladimir Smirnov
V.A. Smirnov
The Leading Power Regge Asymptotic Behaviour of Dimensionally Regularized Massless On-Shell Planar Triple Box
9 pages, LaTeX with axodraw.sty
Phys.Lett. B547 (2002) 239-244
10.1016/S0370-2693(02)02779-X
null
hep-ph
null
The leading power asymptotic behaviour of the dimensionally regularized massless on-shell planar triple box diagram in the Regge limit t/s -> 0 is analytically evaluated.
[ { "created": "Tue, 17 Sep 2002 17:20:38 GMT", "version": "v1" } ]
2010-04-05
[ [ "Smirnov", "V. A.", "" ] ]
The leading power asymptotic behaviour of the dimensionally regularized massless on-shell planar triple box diagram in the Regge limit t/s -> 0 is analytically evaluated.
hep-ph/0103028
Haruhiko Terao
Tatsuo Kobayashi (Kyoto Univ.), Haruhiko Terao (Kanazawa Univ.)
Sfermion masses in Nelson-Strassler type of models: SUSY standard models coupled with SCFTs
28 pages, 8 figures, LaTeX file; corrected typos and references added
Phys.Rev. D64 (2001) 075003
10.1103/PhysRevD.64.075003
KANAZAWA-01-02, KUNS-1710
hep-ph hep-th
null
We study soft SUSY breaking parameters in the Nelson-Strassler type of models: SUSY standard models coupled with SCFTs. In this type of models, soft SUSY breaking parameters including sfermion masses can be suppressed around the decoupling scale of SCFTs. We clarify the condition to derive exponential suppression of ...
[ { "created": "Fri, 2 Mar 2001 15:03:47 GMT", "version": "v1" }, { "created": "Sat, 3 Mar 2001 02:47:26 GMT", "version": "v2" }, { "created": "Wed, 7 Mar 2001 02:26:54 GMT", "version": "v3" } ]
2009-11-07
[ [ "Kobayashi", "Tatsuo", "", "Kyoto Univ." ], [ "Terao", "Haruhiko", "", "Kanazawa Univ." ] ]
We study soft SUSY breaking parameters in the Nelson-Strassler type of models: SUSY standard models coupled with SCFTs. In this type of models, soft SUSY breaking parameters including sfermion masses can be suppressed around the decoupling scale of SCFTs. We clarify the condition to derive exponential suppression of sf...
2003.01867
Hang Zhou
Tian-Peng Tang, Hang Zhou, Ning Liu
Probing single stop production at the FCC-hh/SPPC
15 pages, 5 figures, 1 table. Published version on NPB
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Top squark (stop) is a crucial part of supersymmetric models (SUSY) to understand the naturalness problem. Other than the traditional stop pair production, the single production via electroweak interaction provides signals with distinctive features which could help confirm the existence of the top squark. In this pap...
[ { "created": "Wed, 4 Mar 2020 02:48:40 GMT", "version": "v1" }, { "created": "Wed, 2 Sep 2020 06:59:24 GMT", "version": "v2" } ]
2020-09-03
[ [ "Tang", "Tian-Peng", "" ], [ "Zhou", "Hang", "" ], [ "Liu", "Ning", "" ] ]
Top squark (stop) is a crucial part of supersymmetric models (SUSY) to understand the naturalness problem. Other than the traditional stop pair production, the single production via electroweak interaction provides signals with distinctive features which could help confirm the existence of the top squark. In this paper...
1502.04162
Xin Liu
Xin Liu, Hsiang-nan Li, and Zhen-Jun Xiao
Transverse-momentum-dependent wave functions with Glauber gluons in $B \to \pi \pi$, $\rho \rho$ decays
RevTex file, 11 pages, 4 figures, and 1 table, contents improved and references added; matching the published version
Phys. Rev. D 91, 114019 (2015)
10.1103/PhysRevD.91.114019
null
hep-ph hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We investigate the Glauber-gluon effect on the $B \to \pi \pi$ and $\rho \rho$ decays, which is introduced via a convolution of a universal Glauber phase factor with transverse-momentum-dependent(TMD) meson wave functions in the $k_T$ factorization theorem. For an appropriate parametrization of the Glauber phase, it ...
[ { "created": "Sat, 14 Feb 2015 03:18:49 GMT", "version": "v1" }, { "created": "Sat, 21 Feb 2015 16:53:56 GMT", "version": "v2" }, { "created": "Fri, 12 Jun 2015 16:04:00 GMT", "version": "v3" } ]
2015-06-17
[ [ "Liu", "Xin", "" ], [ "Li", "Hsiang-nan", "" ], [ "Xiao", "Zhen-Jun", "" ] ]
We investigate the Glauber-gluon effect on the $B \to \pi \pi$ and $\rho \rho$ decays, which is introduced via a convolution of a universal Glauber phase factor with transverse-momentum-dependent(TMD) meson wave functions in the $k_T$ factorization theorem. For an appropriate parametrization of the Glauber phase, it is...
2106.09439
Artur Amorim
Artur Amorim and Miguel S. Costa and Robert C. Quevedo
Deeply Virtual Compton Scattering in Improved Holographic QCD
12 pages, 5 figures, accepted in Physics Letters B
Physics Letters B, Volume 819, 10 August 2021, 136451
10.1016/j.physletb.2021.136451
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present our current progress in the holographic computation of the scattering amplitude for Deeply Virtual Compton Scattering (DVCS) processe, as a function of the Mandelstam invariant $t$. We show that it is possible to describe simultaneously the differential cross-section and total cross-section of DVCS data wi...
[ { "created": "Thu, 17 Jun 2021 12:43:05 GMT", "version": "v1" } ]
2021-07-07
[ [ "Amorim", "Artur", "" ], [ "Costa", "Miguel S.", "" ], [ "Quevedo", "Robert C.", "" ] ]
We present our current progress in the holographic computation of the scattering amplitude for Deeply Virtual Compton Scattering (DVCS) processe, as a function of the Mandelstam invariant $t$. We show that it is possible to describe simultaneously the differential cross-section and total cross-section of DVCS data with...
hep-ph/0509295
Brian Patt
Brian Patt, David Tucker-Smith, Frank Wilczek
Example of a Hidden Flavor Sector
null
null
null
MIT-CTP-3687
hep-ph
null
We exemplify earlier general considerations on flavor symmetry breaking employing a hidden sector and exploiting supersymmetry in a specific model. The model is at best a caricature of reality, but it is sufficient to display mechanisms for the natural emergence of minimal low-energy Higgs structure, non-trivial text...
[ { "created": "Mon, 26 Sep 2005 22:58:09 GMT", "version": "v1" } ]
2007-05-23
[ [ "Patt", "Brian", "" ], [ "Tucker-Smith", "David", "" ], [ "Wilczek", "Frank", "" ] ]
We exemplify earlier general considerations on flavor symmetry breaking employing a hidden sector and exploiting supersymmetry in a specific model. The model is at best a caricature of reality, but it is sufficient to display mechanisms for the natural emergence of minimal low-energy Higgs structure, non-trivial textur...
2011.14883
Maxim Dvornikov
Maxim Dvornikov and Victor B. Semikoz (IZMIRAN)
Birefringence of electromagnetic waves in the relic neutrino gas
12 pages in Latex, 1 eps figure, JCAP LaTeX style; title has been changed, minor corrections in the text; version published in JCAP
JCAP 03 (2021) 028
10.1088/1475-7516/2021/03/028
null
hep-ph astro-ph.CO
http://creativecommons.org/licenses/by/4.0/
We reconsider the problem of the birefringence of electromagnetic (EM) waves in a medium consisting of a plasma and a $\nu\bar{\nu}$-gas within the Standard Model of particle physics. The considered effect arises in such a medium due to the parity violation for the electroweak neutrino-electron interaction. Our recen...
[ { "created": "Mon, 30 Nov 2020 15:24:45 GMT", "version": "v1" }, { "created": "Tue, 1 Dec 2020 02:43:20 GMT", "version": "v2" }, { "created": "Thu, 25 Mar 2021 11:05:10 GMT", "version": "v3" } ]
2021-03-26
[ [ "Dvornikov", "Maxim", "", "IZMIRAN" ], [ "Semikoz", "Victor B.", "", "IZMIRAN" ] ]
We reconsider the problem of the birefringence of electromagnetic (EM) waves in a medium consisting of a plasma and a $\nu\bar{\nu}$-gas within the Standard Model of particle physics. The considered effect arises in such a medium due to the parity violation for the electroweak neutrino-electron interaction. Our recent ...
hep-ph/0404196
Guy D. Moore
Olivier Gagnon, Guy D. Moore
Limits on Lorentz Violation from the Highest Energy Cosmic Rays
24 pages, no figures. Added references, very slight changes. Version published in Physical Review D
Phys.Rev. D70 (2004) 065002
10.1103/PhysRevD.70.065002
null
hep-ph astro-ph gr-qc
null
We place several new limits on Lorentz violating effects, which can modify particles' dispersion relations, by considering the highest energy cosmic rays observed. Since these are hadrons, this involves considering the partonic content of such cosmic rays. We get a number of bounds on differences in maximum propagati...
[ { "created": "Thu, 22 Apr 2004 17:42:28 GMT", "version": "v1" }, { "created": "Tue, 24 Aug 2004 14:01:16 GMT", "version": "v2" } ]
2009-11-10
[ [ "Gagnon", "Olivier", "" ], [ "Moore", "Guy D.", "" ] ]
We place several new limits on Lorentz violating effects, which can modify particles' dispersion relations, by considering the highest energy cosmic rays observed. Since these are hadrons, this involves considering the partonic content of such cosmic rays. We get a number of bounds on differences in maximum propagation...
hep-ph/0110351
Czyz Henryk
M.Czachor and H.Czyz
Why and how to use a differential equation method to calculate multi-loop integrals
9 p., presented at XXV International Conference on Theoretical Physics "Particle Physics and Astrophysics in the Standard Models and Beyond", Ustron, Poland, September 2001
Acta Phys.Polon.B32:3823,2001
null
null
hep-ph
null
A short pedagogical introduction to a differential method used to calculate multi-loop scalar integrals is presented. As an example it is shown how to obtain, using the method, large mass expansion of the two loop sunrise master integrals.
[ { "created": "Fri, 26 Oct 2001 14:56:45 GMT", "version": "v1" } ]
2011-03-17
[ [ "Czachor", "M.", "" ], [ "Czyz", "H.", "" ] ]
A short pedagogical introduction to a differential method used to calculate multi-loop scalar integrals is presented. As an example it is shown how to obtain, using the method, large mass expansion of the two loop sunrise master integrals.
1705.02184
Anton Chudaykin A. S.
F. Bezrukov, A. Chudaykin, D. Gorbunov
Hiding an elephant: heavy sterile neutrino with large mixing angle does not contradict cosmology
14 pages, 5 figures, v3: corrected important typo in formula (4.3) and updated corresponding figure, without changes to the results of the paper
JCAP 06, 051 (2017)
10.1088/1475-7516/2017/06/051
INR-TH-2017-013
hep-ph astro-ph.CO hep-ex
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We study a model of a keV-scale sterile neutrino with a relatively large mixing with the Standard Model sector. Usual considerations predict active generation of such particles in the early Universe, which leads to constraints from the total Dark Matter density and absence of X-ray signal from sterile neutrino decay....
[ { "created": "Fri, 5 May 2017 12:12:31 GMT", "version": "v1" }, { "created": "Mon, 10 Jul 2017 21:55:24 GMT", "version": "v2" }, { "created": "Wed, 3 Apr 2019 10:42:58 GMT", "version": "v3" } ]
2019-04-04
[ [ "Bezrukov", "F.", "" ], [ "Chudaykin", "A.", "" ], [ "Gorbunov", "D.", "" ] ]
We study a model of a keV-scale sterile neutrino with a relatively large mixing with the Standard Model sector. Usual considerations predict active generation of such particles in the early Universe, which leads to constraints from the total Dark Matter density and absence of X-ray signal from sterile neutrino decay. T...
0811.1002
Yubing Dong
Y. B. Dong
Target mass corrections to matrix elements in nucleon spin structure functions
7 pages and 2 figures
Phys.Rev.C78:028201,2008
10.1103/PhysRevC.78.028201
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Target mass corrections to the twist-4 terms $\tilde f_2^{p,n,d}$ as well as to the leading-twist $\tilde a_2$ are discussed.
[ { "created": "Thu, 6 Nov 2008 17:33:12 GMT", "version": "v1" } ]
2008-12-18
[ [ "Dong", "Y. B.", "" ] ]
Target mass corrections to the twist-4 terms $\tilde f_2^{p,n,d}$ as well as to the leading-twist $\tilde a_2$ are discussed.
hep-ph/9806331
Howard E. Haber
Howard E. Haber
Probing the MSSM Higgs Sector at an e-e- Collider
14 pages, needs e-e-ijmpa.sty and psfig.sty, to appear in the Proceedings of e-e- 97, International Journal of Modern Physics A, Special Proceedings Issue, June 1998
Int.J.Mod.Phys.A13:2263-2276,1998
10.1142/S0217751X98001062
SCIPP 98/10
hep-ph
null
The theoretical structure of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) is briefly described. An outline of Higgs phenomenology at future lepton colliders is presented, and some opportunities for probing the physics of the MSSM Higgs sector at an e-e- collider are considered.
[ { "created": "Wed, 10 Jun 1998 01:06:34 GMT", "version": "v1" } ]
2011-04-15
[ [ "Haber", "Howard E.", "" ] ]
The theoretical structure of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) is briefly described. An outline of Higgs phenomenology at future lepton colliders is presented, and some opportunities for probing the physics of the MSSM Higgs sector at an e-e- collider are considered.
1210.2628
Thomas Hahn
S. Agrawal, T. Hahn, E. Mirabella
FormCalc 7.5
11 pages, Proceedings contribution to Loops and Legs in Quantum Field Theory, April 15-20, 2012, Wernigerode, Germany
null
null
MPP-2012-136
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We present additions and improvements in Version 7.5 of FormCalc, most notably OPP methods, Output in C, MSSM initialization via FeynHiggs, and Analytic tensor reduction, as well as a parallelized Cuba library for numerical integration.
[ { "created": "Tue, 9 Oct 2012 15:03:12 GMT", "version": "v1" } ]
2012-10-10
[ [ "Agrawal", "S.", "" ], [ "Hahn", "T.", "" ], [ "Mirabella", "E.", "" ] ]
We present additions and improvements in Version 7.5 of FormCalc, most notably OPP methods, Output in C, MSSM initialization via FeynHiggs, and Analytic tensor reduction, as well as a parallelized Cuba library for numerical integration.
1011.2263
Zhi-Qing Zhang
Zhi-Qing Zhang
Study of f_0(980) and f_0(1500) from B_s \to f_0(980)\pi, f_0(1500)\pi Decays
16 pages, 3 figures, Revtex
Eur.Phys.J.C69:433-443,2010
10.1140/epjc/s10052-010-1422-3
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In this paper, we analyze the scalar mesons $f_0(980)$ and $f_0(1500)$ from the decays $\bar B^0_s \to f_0(980)\pi^0, f_0(1500)\pi^0$ within Perturbative QCD approach. From the leading order calculations, we find that (a) in the allowed mixing angle ranges, the branching ratio of $\bar B^0_s\to f_0(980)\pi^0$ is abou...
[ { "created": "Wed, 10 Nov 2010 02:57:26 GMT", "version": "v1" } ]
2010-12-09
[ [ "Zhang", "Zhi-Qing", "" ] ]
In this paper, we analyze the scalar mesons $f_0(980)$ and $f_0(1500)$ from the decays $\bar B^0_s \to f_0(980)\pi^0, f_0(1500)\pi^0$ within Perturbative QCD approach. From the leading order calculations, we find that (a) in the allowed mixing angle ranges, the branching ratio of $\bar B^0_s\to f_0(980)\pi^0$ is about ...
1604.02903
Sergey Afonin
S. S. Afonin
Soft-wall modelling of meson spectra
6 pages, presented at Excited QCD 2016 (Costa da Caparica, Portugal, March 2016)
null
null
null
hep-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The holographic methods inspired by the gauge/gravity correspondence from string theory have been actively applied to the hadron spectroscopy in the last eleven years. Within the phenomenological bottom-up approach, the linear Regge-like trajectories for light mesons are naturally reproduced in the so-called "Soft-wa...
[ { "created": "Mon, 11 Apr 2016 12:02:18 GMT", "version": "v1" }, { "created": "Thu, 14 Apr 2016 11:45:07 GMT", "version": "v2" } ]
2016-04-15
[ [ "Afonin", "S. S.", "" ] ]
The holographic methods inspired by the gauge/gravity correspondence from string theory have been actively applied to the hadron spectroscopy in the last eleven years. Within the phenomenological bottom-up approach, the linear Regge-like trajectories for light mesons are naturally reproduced in the so-called "Soft-wall...
1105.2209
Andrew Akeroyd
A.G. Akeroyd, Hiroaki Sugiyama
Production of doubly charged scalars from the decay of singly charged scalars in the Higgs Triplet Model
13 pages, 3 figures, two figures added in v2, to appear in Physical Review D
Phys.Rev.D84:035010,2011
10.1103/PhysRevD.84.035010
SHEP-11-09
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The existence of doubly charged Higgs bosons (H^{\pm\pm}) is a distinctive feature of the Higgs Triplet Model (HTM), in which neutrinos obtain tree-level masses from the vacuum expectation value of a neutral scalar in a triplet representation of SU(2)_L. We point out that a large branching ratio for the decay of a si...
[ { "created": "Wed, 11 May 2011 14:39:58 GMT", "version": "v1" }, { "created": "Fri, 26 Aug 2011 09:41:16 GMT", "version": "v2" } ]
2011-09-08
[ [ "Akeroyd", "A. G.", "" ], [ "Sugiyama", "Hiroaki", "" ] ]
The existence of doubly charged Higgs bosons (H^{\pm\pm}) is a distinctive feature of the Higgs Triplet Model (HTM), in which neutrinos obtain tree-level masses from the vacuum expectation value of a neutral scalar in a triplet representation of SU(2)_L. We point out that a large branching ratio for the decay of a sing...
1303.3723
Jennifer Girrbach
Andrzej J. Buras, Fulvia De Fazio, Jennifer Girrbach, Robert Knegjens and Minoru Nagai
The Anatomy of Neutral Scalars with FCNCs in the Flavour Precision Era
69 pages, 23 figures; some clarifying statements added; version accepted for publication in JHEP. arXiv admin note: substantial text overlap with arXiv:1211.1896
JHEP 1306 (2013) 111
10.1007/JHEP06(2013)111
FLAVOUR(267104)-ERC-38, BARI-TH/13-671, Nikhef-2013-008, UT-13-09
hep-ph hep-ex hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In many extensions of the Standard Model flavour changing neutral current processes can be mediated by tree-level heavy neutral scalars and/or pseudo-scalars H^0(A^0). This generally introduces new sources of flavour violation and CP violation as well as left-handed and right-handed scalar currents. These new physics...
[ { "created": "Fri, 15 Mar 2013 10:29:32 GMT", "version": "v1" }, { "created": "Wed, 5 Jun 2013 13:55:15 GMT", "version": "v2" } ]
2013-07-09
[ [ "Buras", "Andrzej J.", "" ], [ "De Fazio", "Fulvia", "" ], [ "Girrbach", "Jennifer", "" ], [ "Knegjens", "Robert", "" ], [ "Nagai", "Minoru", "" ] ]
In many extensions of the Standard Model flavour changing neutral current processes can be mediated by tree-level heavy neutral scalars and/or pseudo-scalars H^0(A^0). This generally introduces new sources of flavour violation and CP violation as well as left-handed and right-handed scalar currents. These new physics c...
0803.1692
Bo-Qiang Ma
Bing Zhang, Zhun Lu, Bo-Qiang Ma, Ivan Schmidt
Extracting Boer-Mulders functions from $p+D$ Drell-Yan processes
5 latex pages, 6 figures, correction made in acknowledgement
Phys.Rev.D77:054011,2008
10.1103/PhysRevD.77.054011
null
hep-ph
http://creativecommons.org/licenses/by-nc-sa/3.0/
We extract the Boer-Mulders functions of valence and sea quarks in the proton from unpolarized $p+D$ Drell-Yan data measured by the FNAL E866 Collaboration. Using these Boer-Mulders functions, we calculate the $\cos 2 \phi$ asymmetries in unpolarized $pp$ Drell-Yan processes, both for the FNAL E866/NuSea and the BNL ...
[ { "created": "Wed, 12 Mar 2008 01:50:08 GMT", "version": "v1" }, { "created": "Wed, 14 May 2008 12:30:12 GMT", "version": "v2" } ]
2008-11-26
[ [ "Zhang", "Bing", "" ], [ "Lu", "Zhun", "" ], [ "Ma", "Bo-Qiang", "" ], [ "Schmidt", "Ivan", "" ] ]
We extract the Boer-Mulders functions of valence and sea quarks in the proton from unpolarized $p+D$ Drell-Yan data measured by the FNAL E866 Collaboration. Using these Boer-Mulders functions, we calculate the $\cos 2 \phi$ asymmetries in unpolarized $pp$ Drell-Yan processes, both for the FNAL E866/NuSea and the BNL Re...
1708.06621
Mohamed Abu-Shady
M. Abu-Shady
Thermo-magnetic Effects in an External Magnetic Field in the Logarithmic-Quark Sigma Model
15 pages, 8 figures. arXiv admin note: substantial text overlap with arXiv:1612.03437, arXiv:1507.01372
International Journal of Modern Physics and Application 2017; 4(6): 49-54
null
null
hep-ph
http://creativecommons.org/licenses/by/4.0/
The phenomenon of magnetic catalysis of chiral symmetry breaking in the quantum chromodynamic theory in the framework of logarithmic quark sigma model is studied. Thermodynamic properties are calculated in the mean-field approximation such as the pressure, the entropy density, the energy density, and measure interact...
[ { "created": "Fri, 18 Aug 2017 19:55:58 GMT", "version": "v1" } ]
2018-01-23
[ [ "Abu-Shady", "M.", "" ] ]
The phenomenon of magnetic catalysis of chiral symmetry breaking in the quantum chromodynamic theory in the framework of logarithmic quark sigma model is studied. Thermodynamic properties are calculated in the mean-field approximation such as the pressure, the entropy density, the energy density, and measure interactio...
hep-ph/0502176
Graham D. Kribs
Hooman Davoudiasl, Ryuichiro Kitano, Graham D. Kribs, Hitoshi Murayama
Models of Neutrino Mass with a Low Cutoff Scale
11 pages, 4 figures
Phys.Rev.D71:113004,2005
10.1103/PhysRevD.71.113004
null
hep-ph
null
In theories with a low quantum gravity scale, global symmetries are expected to be violated, inducing excessive proton decay or large Majorana neutrino masses. The simplest cure is to impose discrete gauge symmetries, which in turn make neutrinos massless. We construct models that employ these gauge symmetries while ...
[ { "created": "Fri, 18 Feb 2005 21:16:03 GMT", "version": "v1" } ]
2009-09-29
[ [ "Davoudiasl", "Hooman", "" ], [ "Kitano", "Ryuichiro", "" ], [ "Kribs", "Graham D.", "" ], [ "Murayama", "Hitoshi", "" ] ]
In theories with a low quantum gravity scale, global symmetries are expected to be violated, inducing excessive proton decay or large Majorana neutrino masses. The simplest cure is to impose discrete gauge symmetries, which in turn make neutrinos massless. We construct models that employ these gauge symmetries while na...
1402.1256
Vien Vo Van
V. V. Vien and H. N. Long
The T7 flavor symmetry in 3-3-1 model with neutral leptons
39 pages, 16 figures. arXiv admin note: substantial text overlap with arXiv:1312.5034; and text overlap with arXiv:1304.0921, arXiv:1306.4138, arXiv:1311.6729, arXiv:1310.4614 by other authors
JHEP04(2014)133
10.1007/JHEP04(2014)133
null
hep-ph
http://creativecommons.org/licenses/by/3.0/
We construct a 3-3-1 model based on non-Abelian discrete symmetry $T_7$ responsible for the fermion masses. Neutrinos get masses from only anti-sextets which are in triplets $\underline{3}$ and $\underline{3}^*$ under $T_7$. The flavor mixing patterns and mass splitting are obtained without perturbation. The tribimax...
[ { "created": "Thu, 6 Feb 2014 06:10:14 GMT", "version": "v1" }, { "created": "Mon, 24 Feb 2014 04:59:03 GMT", "version": "v2" }, { "created": "Mon, 28 Apr 2014 14:39:58 GMT", "version": "v3" } ]
2014-04-29
[ [ "Vien", "V. V.", "" ], [ "Long", "H. N.", "" ] ]
We construct a 3-3-1 model based on non-Abelian discrete symmetry $T_7$ responsible for the fermion masses. Neutrinos get masses from only anti-sextets which are in triplets $\underline{3}$ and $\underline{3}^*$ under $T_7$. The flavor mixing patterns and mass splitting are obtained without perturbation. The tribimaxim...
1001.1935
Michael Spira
David Noth, Michael Spira
Supersymmetric Higgs Yukawa Couplings to Bottom Quarks at next-to-next-to-leading Order
25 pages, 9 figures, added comments and references, typos corrected, results unchanged, published version
JHEP 1106:084,2011
10.1007/JHEP06(2011)084
PSI-PR-10-01
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The effective bottom Yukawa couplings are analyzed for the minimal supersymmetric extension of the Standard Model at two-loop accuracy within SUSY-QCD. They include the resummation of the dominant corrections for large values of tg(beta). In particular the two-loop SUSY-QCD corrections to the leading SUSY-QCD and top...
[ { "created": "Tue, 12 Jan 2010 16:08:12 GMT", "version": "v1" }, { "created": "Mon, 20 Jun 2011 12:37:59 GMT", "version": "v2" } ]
2011-06-24
[ [ "Noth", "David", "" ], [ "Spira", "Michael", "" ] ]
The effective bottom Yukawa couplings are analyzed for the minimal supersymmetric extension of the Standard Model at two-loop accuracy within SUSY-QCD. They include the resummation of the dominant corrections for large values of tg(beta). In particular the two-loop SUSY-QCD corrections to the leading SUSY-QCD and top-i...
2311.18607
Bronislav Zakharov
B.G. Zakharov
Effect of color randomization on $p_T$ broadening of fast partons in turbulent quark-gluon plasma
17 pages, 7 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We analyze the effect of the parton color randomization on $p_T$ broadening in the quark-gluon plasma with turbulent color fields. We calculate the transport coefficient for a simplified model of fluctuating color fields in the form of alternating sequential transverse layers with homogenous transverse chromomagnetic...
[ { "created": "Thu, 30 Nov 2023 15:05:02 GMT", "version": "v1" } ]
2023-12-01
[ [ "Zakharov", "B. G.", "" ] ]
We analyze the effect of the parton color randomization on $p_T$ broadening in the quark-gluon plasma with turbulent color fields. We calculate the transport coefficient for a simplified model of fluctuating color fields in the form of alternating sequential transverse layers with homogenous transverse chromomagnetic f...
0810.0189
Tomo Takahashi
Takeo Moroi and Tomo Takahashi
Non-Gaussianity and Baryonic Isocurvature Fluctuations in the Curvaton Scenario
14 pages, 3 figures, published version
Phys.Lett.B671:339-344,2009
10.1016/j.physletb.2008.12.034
null
hep-ph astro-ph hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We discuss non-Gaussianity and baryonic isocurvature fluctuations in the curvaton scenario, assuming that the baryon asymmetry of the universe originates only from the decay products of the inflaton. When large non-Gaussianity is realized in such a scenario, non-vanishing baryonic isocurvature fluctuations can also b...
[ { "created": "Wed, 1 Oct 2008 15:05:31 GMT", "version": "v1" }, { "created": "Mon, 15 Dec 2008 10:02:16 GMT", "version": "v2" } ]
2009-02-02
[ [ "Moroi", "Takeo", "" ], [ "Takahashi", "Tomo", "" ] ]
We discuss non-Gaussianity and baryonic isocurvature fluctuations in the curvaton scenario, assuming that the baryon asymmetry of the universe originates only from the decay products of the inflaton. When large non-Gaussianity is realized in such a scenario, non-vanishing baryonic isocurvature fluctuations can also be ...
0911.3840
Jeremy Miller
Jeremy Miller
Pomeron loop summation in perturbative QCD and the survival probability
11 pages, 6 figures
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The survival probability for exclusive diffractive Higgs production is calculated. The contribution of short distance interactions are taken into account, by summing over Pomeron loops in perturbative QCD. The summation is performed by developing an iterative technique to sum over loop diagrams with higher and higher...
[ { "created": "Thu, 19 Nov 2009 17:06:02 GMT", "version": "v1" } ]
2009-11-20
[ [ "Miller", "Jeremy", "" ] ]
The survival probability for exclusive diffractive Higgs production is calculated. The contribution of short distance interactions are taken into account, by summing over Pomeron loops in perturbative QCD. The summation is performed by developing an iterative technique to sum over loop diagrams with higher and higher g...
hep-ph/0002211
Adrian Ghinculov
Adrian Ghinculov (UCLA), York-Peng Yao (U. of Michigan)
Exact O(g^2 alpha_s) top decay width from general massive two-loop integrals
null
Mod.Phys.Lett. A15 (2000) 925-930
10.1142/S021773230000092X
UCLA-00-TEP-7, UM-TH-00-03
hep-ph
null
We calculate the b-dependent self-energy of the top quark at O(g^2 \alpha_s) by using a general massive two-loop algorithm proposed in a previous article. From this we derive by unitarity the O(\alpha_s) radiative corrections to the decay width of the top quark, where all effects associated with the $b$ quark mass ...
[ { "created": "Sat, 19 Feb 2000 01:42:39 GMT", "version": "v1" } ]
2016-12-21
[ [ "Ghinculov", "Adrian", "", "UCLA" ], [ "Yao", "York-Peng", "", "U. of Michigan" ] ]
We calculate the b-dependent self-energy of the top quark at O(g^2 \alpha_s) by using a general massive two-loop algorithm proposed in a previous article. From this we derive by unitarity the O(\alpha_s) radiative corrections to the decay width of the top quark, where all effects associated with the $b$ quark mass are ...
hep-ph/9506325
Nikolaos Ganoulis
G. Lazarides, C. Panagiotakopoulos
Smooth Hybrid Inflation
15 pages, latex, to appear in Phys. Rev. D (Rapid Com.)
Phys.Rev.D52:R559-563,1995; Phys.Rev.D52:559,1995
10.1103/PhysRevD.52.R559
UT-STPD-1-95
hep-ph
null
We propose a variant of hybrid inflation which is applicable in a wide class of supersymmetric grand unified models. The observed temperature perturbations of cosmic background radiation can be reproduced with natural values of the parameters of the theory and a grand unification scale which is consistent with the un...
[ { "created": "Wed, 14 Jun 1995 10:40:21 GMT", "version": "v1" } ]
2019-08-15
[ [ "Lazarides", "G.", "" ], [ "Panagiotakopoulos", "C.", "" ] ]
We propose a variant of hybrid inflation which is applicable in a wide class of supersymmetric grand unified models. The observed temperature perturbations of cosmic background radiation can be reproduced with natural values of the parameters of the theory and a grand unification scale which is consistent with the unif...
hep-ph/9504361
Martin Moosburger
V.V. Vereshagin, A.N.Manashov (St. Petersburg State University, St. Petersburg, Russia), S.G. Sherman (St. Petersburg Nuclear Physics Institute), U. Bohnert, M. Dillig, W. Eyrich, O. Jaekel, M. Moosburger (Universitaet Erlangen-Nuernberg, Germany)
Analysis of data on low energy piN-->pipiN reaction. I. Total cross sections
45 pages
Nucl.Phys. A592 (1995) 413-442
10.1016/0375-9474(95)00216-N
Er-SPb-1
hep-ph nucl-th
null
This is the first of a series of papers on a consistent model independent analysis of the complete experimental information on the reaction $\pi N \rightarrow \pi \pi N$ at pion momenta up to 500 MeV/c. The paper summarizes the theoretical approach and details of the computational procedure. The complete database on ...
[ { "created": "Fri, 21 Apr 1995 16:24:40 GMT", "version": "v1" } ]
2009-10-28
[ [ "Vereshagin", "V. V.", "", "St. Petersburg State University, St.\n Petersburg, Russia" ], [ "Manashov", "A. N.", "", "St. Petersburg State University, St.\n Petersburg, Russia" ], [ "Sherman", "S. G.", "", "St. Petersburg Nuclear Physics Institute" ], ...
This is the first of a series of papers on a consistent model independent analysis of the complete experimental information on the reaction $\pi N \rightarrow \pi \pi N$ at pion momenta up to 500 MeV/c. The paper summarizes the theoretical approach and details of the computational procedure. The complete database on to...
1405.5627
Gang Lv
Gang L\"u, Jia-Qi Lei, Xin-Heng Guo, Zhen-Hua Zhang, Ke-Wei Wei
$CP$ violation for $B^{0}\rightarrow \rho^{0}(\omega)\rho^{0}(\omega) \rightarrow \pi^+\pi^-\pi^+\pi^-$ in QCD factorization
arXiv admin note: text overlap with arXiv:0805.0329, arXiv:1010.3309 by other authors
null
null
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
In the QCD factorization (QCDF) approach we study the direct $CP$ violation in $\bar{B}^{0}\rightarrow\rho^0(\omega)\rho^0(\omega)\rightarrow\pi^+\pi^-\pi^+\pi^-$ via the $\rho-\omega$ mixing mechanism. We find that the $CP$ violation can be enhanced by double $\rho-\omega$ mixing when the masses of the $\pi^+\pi^-$ ...
[ { "created": "Thu, 22 May 2014 04:01:14 GMT", "version": "v1" } ]
2014-05-23
[ [ "Lü", "Gang", "" ], [ "Lei", "Jia-Qi", "" ], [ "Guo", "Xin-Heng", "" ], [ "Zhang", "Zhen-Hua", "" ], [ "Wei", "Ke-Wei", "" ] ]
In the QCD factorization (QCDF) approach we study the direct $CP$ violation in $\bar{B}^{0}\rightarrow\rho^0(\omega)\rho^0(\omega)\rightarrow\pi^+\pi^-\pi^+\pi^-$ via the $\rho-\omega$ mixing mechanism. We find that the $CP$ violation can be enhanced by double $\rho-\omega$ mixing when the masses of the $\pi^+\pi^-$ pa...
hep-ph/0402127
Raymond F. Sawyer
R. F. Sawyer
Polarization precession in photon-photon encounters
4 pages. Added: Mention of earlier work by Kotkin and Serbo with results equivalent to those of our first section
null
null
null
hep-ph
null
We calculate the rate of precession of the direction of polarization of a photon traversing a sea of plane-polarized photons moving in the opposed direction, where the interaction is the one-loop "vacuum" Heisenberg-Euler coupling of four fields. Substantial precession can take place in a distance many orders of magn...
[ { "created": "Wed, 11 Feb 2004 22:13:47 GMT", "version": "v1" }, { "created": "Wed, 18 Feb 2004 19:09:11 GMT", "version": "v2" } ]
2007-05-23
[ [ "Sawyer", "R. F.", "" ] ]
We calculate the rate of precession of the direction of polarization of a photon traversing a sea of plane-polarized photons moving in the opposed direction, where the interaction is the one-loop "vacuum" Heisenberg-Euler coupling of four fields. Substantial precession can take place in a distance many orders of magnit...
1201.6175
Marco Frasca
Marco Frasca
Parameters of NJL models for a generic representation of the gauge group
6 pages, no figure
null
null
null
hep-ph hep-lat
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We generalize a non-local Nambu-Jona-Lasinio model to a generic representation of the gauge group. The critical temperature is given in a closed form as a function of the parameters of the theory and the cut-off. This result is generally useful in the understanding of QCD-like theories and their thermodynamical behav...
[ { "created": "Mon, 30 Jan 2012 11:30:43 GMT", "version": "v1" } ]
2012-01-31
[ [ "Frasca", "Marco", "" ] ]
We generalize a non-local Nambu-Jona-Lasinio model to a generic representation of the gauge group. The critical temperature is given in a closed form as a function of the parameters of the theory and the cut-off. This result is generally useful in the understanding of QCD-like theories and their thermodynamical behavio...
hep-ph/0202258
Tomohiro Matsuda
Tomohiro Matsuda
Enhanced baryon number violation due to cosmological defects with localized fermions along extra dimension
12pages, latex2e, added references, to appear in PRD
Phys.Rev. D65 (2002) 107302
10.1103/PhysRevD.65.107302
null
hep-ph astro-ph hep-th
null
We propose a new scenario of baryon number violation in models with extra dimensions. In the true vacuum, baryon number is almost conserved due to the localization mechanism of matter fields, which suppresses the interactions between quarks and leptons. We consider several types of cosmological defects in four-dimens...
[ { "created": "Wed, 27 Feb 2002 09:31:12 GMT", "version": "v1" }, { "created": "Fri, 1 Mar 2002 06:21:51 GMT", "version": "v2" }, { "created": "Mon, 18 Mar 2002 05:38:12 GMT", "version": "v3" } ]
2009-11-07
[ [ "Matsuda", "Tomohiro", "" ] ]
We propose a new scenario of baryon number violation in models with extra dimensions. In the true vacuum, baryon number is almost conserved due to the localization mechanism of matter fields, which suppresses the interactions between quarks and leptons. We consider several types of cosmological defects in four-dimensio...
1605.05059
Javier Menendez
J. Men\'endez
What do we know about neutrinoless double-beta decay nuclear matrix elements?
Talk presented at NuPhys2015 (London, 16-18 December 2015). 8 pages, 4 figures
null
null
NuPhys2015-Menendez
hep-ph hep-ex nucl-ex nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The detection of neutrinoless double-beta decay will establish the Majorana nature of neutrinos. In addition, if the nuclear matrix elements of this process are reliably known, the experimental lifetime will provide precious information about the absolute neutrino masses and hierarchy. I review the status of nuclear ...
[ { "created": "Tue, 17 May 2016 08:52:16 GMT", "version": "v1" } ]
2016-05-18
[ [ "Menéndez", "J.", "" ] ]
The detection of neutrinoless double-beta decay will establish the Majorana nature of neutrinos. In addition, if the nuclear matrix elements of this process are reliably known, the experimental lifetime will provide precious information about the absolute neutrino masses and hierarchy. I review the status of nuclear st...
1405.1729
Ian Shoemaker
Chris Kouvaris and Ian M. Shoemaker
Daily Modulation as a Smoking Gun of Dark Matter with Significant Stopping
11 pages, 3 figures; v3 minor corrections
Phys. Rev. D 90, 095011 (2014)
10.1103/PhysRevD.90.095011
CP3-Origins-2014-019 DNRF90,DIAS-2014-19
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We point out that for a range of parameters, the flux of DM may be stopped significantly by its interactions with the Earth. This can significantly degrade the sensitivity of direct detection experiments to DM candidates with large interactions with terrestrial nuclei. We find that a significant region of parameter s...
[ { "created": "Wed, 7 May 2014 20:00:16 GMT", "version": "v1" }, { "created": "Mon, 16 Jun 2014 20:28:33 GMT", "version": "v2" }, { "created": "Wed, 1 Apr 2015 13:46:46 GMT", "version": "v3" } ]
2015-04-02
[ [ "Kouvaris", "Chris", "" ], [ "Shoemaker", "Ian M.", "" ] ]
We point out that for a range of parameters, the flux of DM may be stopped significantly by its interactions with the Earth. This can significantly degrade the sensitivity of direct detection experiments to DM candidates with large interactions with terrestrial nuclei. We find that a significant region of parameter spa...
1512.08461
Wei-jie Fu
Wei-jie Fu and Jan M. Pawlowski
Correlating the skewness and kurtosis of baryon number distributions
7 pages, 3 figures, 1 table; updated to match version published in Phy. Rev. D
Phys. Rev. D 93, 091501 (2016)
10.1103/PhysRevD.93.091501
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
The skewness and the kurtosis of the baryon number distributions are computed within QCD-improved low energy effective models including quantum thermal and density fluctuations. The results are compared with the Beam Energy Scan experiment at RHIC. The theoretical results agree with the experimental measurements up t...
[ { "created": "Mon, 28 Dec 2015 17:12:32 GMT", "version": "v1" }, { "created": "Fri, 5 Feb 2016 00:37:52 GMT", "version": "v2" }, { "created": "Thu, 26 May 2016 15:55:23 GMT", "version": "v3" } ]
2016-06-01
[ [ "Fu", "Wei-jie", "" ], [ "Pawlowski", "Jan M.", "" ] ]
The skewness and the kurtosis of the baryon number distributions are computed within QCD-improved low energy effective models including quantum thermal and density fluctuations. The results are compared with the Beam Energy Scan experiment at RHIC. The theoretical results agree with the experimental measurements up to ...
0811.4077
Jan Steinheimer
Jan Steinheimer, Michael Mitrovski, Tim Schuster, Hannah Petersen, Marcus Bleicher and Horst Stoecker
Strangeness fluctuations and MEMO production at FAIR
7 pages, 8 figures, added some discussion, changed plots
Phys.Lett.B676:126-131,2009
10.1016/j.physletb.2009.04.062
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We apply a coupled transport-hydrodynamics model to discuss the production of multi-strange meta-stable objects in Pb+Pb reactions at the FAIR facility. In addition to making predictions for yields of these particles we are able to calculate particle dependent rapidity and momentum distributions. We argue that the FA...
[ { "created": "Tue, 25 Nov 2008 20:16:41 GMT", "version": "v1" }, { "created": "Mon, 3 Aug 2009 08:19:27 GMT", "version": "v2" } ]
2009-11-05
[ [ "Steinheimer", "Jan", "" ], [ "Mitrovski", "Michael", "" ], [ "Schuster", "Tim", "" ], [ "Petersen", "Hannah", "" ], [ "Bleicher", "Marcus", "" ], [ "Stoecker", "Horst", "" ] ]
We apply a coupled transport-hydrodynamics model to discuss the production of multi-strange meta-stable objects in Pb+Pb reactions at the FAIR facility. In addition to making predictions for yields of these particles we are able to calculate particle dependent rapidity and momentum distributions. We argue that the FAIR...
1906.10961
Ulf-G. Mei{\ss}ner
Y. \"Unal, Ulf-G. Mei{\ss}ner
A note on scalar meson dominance
9 pages, 3 figures, extended introduction and discussions, conclusions unchanged, version accepted for publication in Chinese Physics C
Chinese Physics C 43 (2019) 103105
10.1088/1674-1137/43/10/103105
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider chiral perturbation theory with an explicit broad $\sigma$-meson and study its contribution to the scalar form factors of the pion and the nucleon. Our goal is to learn more about resonance saturation in the scalar sector.
[ { "created": "Wed, 26 Jun 2019 10:39:02 GMT", "version": "v1" }, { "created": "Fri, 16 Aug 2019 06:07:29 GMT", "version": "v2" } ]
2019-10-30
[ [ "Ünal", "Y.", "" ], [ "Meißner", "Ulf-G.", "" ] ]
We consider chiral perturbation theory with an explicit broad $\sigma$-meson and study its contribution to the scalar form factors of the pion and the nucleon. Our goal is to learn more about resonance saturation in the scalar sector.
1905.11409
Tom\'a\v{s} Brauner
Tom\'a\v{s} Brauner and Georgios Filios and Helena Kole\v{s}ov\'a
Chiral soliton lattice in QCD-like theories
1+26 pages; v2 matches published version
JHEP12(2019)029
10.1007/JHEP12(2019)029
null
hep-ph hep-lat hep-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Recently, it has been shown that the ground state of quantum chromodynamics (QCD) in sufficiently strong magnetic fields and at moderate baryon number chemical potential carries a crystalline condensate of neutral pions: the chiral soliton lattice (CSL). While the result was obtained in a model-independent manner usi...
[ { "created": "Mon, 27 May 2019 18:00:02 GMT", "version": "v1" }, { "created": "Wed, 4 Dec 2019 14:22:46 GMT", "version": "v2" } ]
2019-12-05
[ [ "Brauner", "Tomáš", "" ], [ "Filios", "Georgios", "" ], [ "Kolešová", "Helena", "" ] ]
Recently, it has been shown that the ground state of quantum chromodynamics (QCD) in sufficiently strong magnetic fields and at moderate baryon number chemical potential carries a crystalline condensate of neutral pions: the chiral soliton lattice (CSL). While the result was obtained in a model-independent manner using...
2107.12725
Francesco Giovanni Celiberto
Andr\`ee Dafne Bolognino, Francesco Giovanni Celiberto, Dmitry Yu. Ivanov, Alessandro Papa
Exclusive emissions of rho-mesons and the unintegrated gluon distribution
8 pages, 1 figure, contribution to the proceedings of the XXVIII International Workshop on Deep Inelastic Scattering and Related Subjects (DIS2021), Stony Brook, New York, USA, 12-16 April, 2021, version accepted for publication on SciPost Physics Proceedings
SciPost Phys. Proc. 8, 089 (2022)
10.21468/SciPostPhysProc.8
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Exclusive emissions of vector mesons in forward directions of rapidity offer us a faultless chance to probe the proton structure at small-$x$. A high-energy factorization formula is established within BFKL, given as the convolution of an impact factor depicting the forward-meson emission and of an unintegrated gluon ...
[ { "created": "Tue, 27 Jul 2021 10:56:39 GMT", "version": "v1" }, { "created": "Wed, 16 Mar 2022 15:41:07 GMT", "version": "v2" }, { "created": "Thu, 17 Mar 2022 15:22:21 GMT", "version": "v3" }, { "created": "Tue, 2 Aug 2022 00:03:01 GMT", "version": "v4" } ]
2022-08-03
[ [ "Bolognino", "Andrèe Dafne", "" ], [ "Celiberto", "Francesco Giovanni", "" ], [ "Ivanov", "Dmitry Yu.", "" ], [ "Papa", "Alessandro", "" ] ]
Exclusive emissions of vector mesons in forward directions of rapidity offer us a faultless chance to probe the proton structure at small-$x$. A high-energy factorization formula is established within BFKL, given as the convolution of an impact factor depicting the forward-meson emission and of an unintegrated gluon di...
2405.09467
Jing Song
Victor Montesinos, Jing Song, Wei-Hong Liang, Eulogio Oset, Juan Nieves, Miguel Albaladejo
Study of possible $DND^*$ bound states
9 pages, 4 figures
null
null
null
hep-ph nucl-th
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We start from a recently favored picture in which the $\Lambda_c(2940)$ and $\Lambda_c(2910)$ correspond mostly to $ND^*$ bound states with $J^P = 1/2^-,\, 3/2^-$ and then add a $D$ as a third particle, looking for the possible binding of the $DND^*$ three body system within the framework of the Fixed Center Approxim...
[ { "created": "Wed, 15 May 2024 16:01:24 GMT", "version": "v1" }, { "created": "Wed, 22 May 2024 09:27:16 GMT", "version": "v2" } ]
2024-05-24
[ [ "Montesinos", "Victor", "" ], [ "Song", "Jing", "" ], [ "Liang", "Wei-Hong", "" ], [ "Oset", "Eulogio", "" ], [ "Nieves", "Juan", "" ], [ "Albaladejo", "Miguel", "" ] ]
We start from a recently favored picture in which the $\Lambda_c(2940)$ and $\Lambda_c(2910)$ correspond mostly to $ND^*$ bound states with $J^P = 1/2^-,\, 3/2^-$ and then add a $D$ as a third particle, looking for the possible binding of the $DND^*$ three body system within the framework of the Fixed Center Approximat...
2108.05337
Luca Buonocore
Luca Buonocore, Gabri\"el Koole, Daniele Lombardi, Luca Rottoli, Marius Wiesemann and Giulia Zanderighi
$ZZ$ production at nNNLO+PS with MiNNLO$_{\text{PS}}$
32 pages, 7 figures, 2 tables
null
10.1007/JHEP01(2022)072
null
hep-ph
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
We consider $ZZ$ production in hadronic collisions and present state-of-the-art predictions in QCD perturbation theory matched to parton showers. Next-to-next-to-leading order corrections to the quark-initiated channel are combined with parton showers using the MiNNLO$_{\text{PS}}$ method, while next-to-leading order...
[ { "created": "Wed, 11 Aug 2021 17:26:01 GMT", "version": "v1" } ]
2022-02-02
[ [ "Buonocore", "Luca", "" ], [ "Koole", "Gabriël", "" ], [ "Lombardi", "Daniele", "" ], [ "Rottoli", "Luca", "" ], [ "Wiesemann", "Marius", "" ], [ "Zanderighi", "Giulia", "" ] ]
We consider $ZZ$ production in hadronic collisions and present state-of-the-art predictions in QCD perturbation theory matched to parton showers. Next-to-next-to-leading order corrections to the quark-initiated channel are combined with parton showers using the MiNNLO$_{\text{PS}}$ method, while next-to-leading order c...