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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1704.08168 | Shuai Zhao | Wei Wang and Shuai Zhao | Implications of the $R_K$ and $R_{K^*}$ anomalies | 19 pages, 3 figures, 3 tables. To appear in Chinese Physics C | Chinese Physics C, 42 (2018) 013105 | 10.1088/1674-1137/42/1/013105 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the implications of the recently reported $R_K$ and $R_{K^*}$
anomalies, the lepton flavor non-universality in the $B\to K\ell^+\ell^-$ and
$B\to K^*\ell^+\ell^-$. Using two sets of hadronic inputs of form factors, we
perform a fit of the new physics to the $R_K$ and $R_{K^*}$ data, and
significant new phy... | [
{
"created": "Wed, 26 Apr 2017 15:45:10 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Nov 2017 12:18:25 GMT",
"version": "v2"
}
] | 2017-12-08 | [
[
"Wang",
"Wei",
""
],
[
"Zhao",
"Shuai",
""
]
] | We discuss the implications of the recently reported $R_K$ and $R_{K^*}$ anomalies, the lepton flavor non-universality in the $B\to K\ell^+\ell^-$ and $B\to K^*\ell^+\ell^-$. Using two sets of hadronic inputs of form factors, we perform a fit of the new physics to the $R_K$ and $R_{K^*}$ data, and significant new physi... |
0812.2832 | Sheldon Stone | Sheldon Stone and Liming Zhang | S-waves and the Measurement of CP Violating Phases in Bs Decays | To be published in Physical Review D; 7 pages, 5 figures, v2-3 fixed
typo's; response to reviewers | Phys.Rev.D79:074024,2009 | 10.1103/PhysRevD.79.074024 | SU-HEP-010 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Heavy, as yet undiscovered particles, can affect measurements of CP violation
in the B system. Measuring CP violation in the Bs system provides an excellent
place to observe such effects since Standard Model sources are predicted to
produce very small effects. The angle -2beta_s, the "phase of Bs-\bar{B}s
mixing," th... | [
{
"created": "Mon, 15 Dec 2008 15:15:53 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Dec 2008 12:59:08 GMT",
"version": "v2"
},
{
"created": "Sun, 21 Dec 2008 11:13:52 GMT",
"version": "v3"
},
{
"created": "Wed, 1 Apr 2009 18:43:21 GMT",
"version": "v4"
}
] | 2014-11-18 | [
[
"Stone",
"Sheldon",
""
],
[
"Zhang",
"Liming",
""
]
] | Heavy, as yet undiscovered particles, can affect measurements of CP violation in the B system. Measuring CP violation in the Bs system provides an excellent place to observe such effects since Standard Model sources are predicted to produce very small effects. The angle -2beta_s, the "phase of Bs-\bar{B}s mixing," thou... |
1603.08292 | Grigorios Chachamis | F. Caporale, G. Chachamis, B. Murdaca, A. Sabio Vera | Inclusive three jet production at the LHC as a new BFKL probe | 5 pages, 1 figure. To appear in the proeceedings of MPI@LHC 2015,
Trieste, Italy, 23-27 November 2015 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss recently proposed observables, sensitive to BFKL dynamics, in the
context of multijet production at the large hadron collider (LHC). In
particular, we consider ratios of azimuthal angle differences in final states
with three jets, well separated in rapidity from each other, with two of them
being very forw... | [
{
"created": "Mon, 28 Mar 2016 03:35:24 GMT",
"version": "v1"
}
] | 2016-03-29 | [
[
"Caporale",
"F.",
""
],
[
"Chachamis",
"G.",
""
],
[
"Murdaca",
"B.",
""
],
[
"Vera",
"A. Sabio",
""
]
] | We discuss recently proposed observables, sensitive to BFKL dynamics, in the context of multijet production at the large hadron collider (LHC). In particular, we consider ratios of azimuthal angle differences in final states with three jets, well separated in rapidity from each other, with two of them being very forwar... |
hep-ph/0407270 | Hilmar Forkel | Hilmar Forkel | QCD Vacuum Topology and Glueballs | 3 pages, no figures | null | 10.1063/1.1843614 | null | hep-ph | null | We outline a comprehensive study of spin-0 glueball properties which, in
particular, keeps track of the topological gluon structure. Specifically, we
implement (semi-hard) topological instanton physics as well as topological
charge screening in the QCD vacuum into the operator product expansion (OPE) of
the glueball ... | [
{
"created": "Thu, 22 Jul 2004 22:05:55 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Forkel",
"Hilmar",
""
]
] | We outline a comprehensive study of spin-0 glueball properties which, in particular, keeps track of the topological gluon structure. Specifically, we implement (semi-hard) topological instanton physics as well as topological charge screening in the QCD vacuum into the operator product expansion (OPE) of the glueball co... |
1106.5607 | Petr Zavada | Petr Zavada | Kinematics of deep inelastic scattering in leading order of the
covariant approach | 4 pages, 2 figures, the version 2 is accepted to Phys.Rev.D | null | 10.1103/PhysRevD.85.039906 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the kinematics of deep inelastic scattering corresponding to the
rotationally symmetric distribution of quark momenta in the nucleon rest frame.
It is shown that rotational symmetry together with Lorentz invariance can in
leading order impose constraints on the quark intrinsic momenta. Obtained
constraints a... | [
{
"created": "Tue, 28 Jun 2011 09:43:21 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Jan 2012 19:57:16 GMT",
"version": "v2"
}
] | 2015-05-28 | [
[
"Zavada",
"Petr",
""
]
] | We study the kinematics of deep inelastic scattering corresponding to the rotationally symmetric distribution of quark momenta in the nucleon rest frame. It is shown that rotational symmetry together with Lorentz invariance can in leading order impose constraints on the quark intrinsic momenta. Obtained constraints are... |
1511.06846 | Noriyuki Oshimo | Noriyuki Oshimo | Higgs bosons in supersymmetric model with CP-violating potential | 18 pages, 8 figures | Phys. Rev. D 93, 095017 (2016) | 10.1103/PhysRevD.93.095017 | OCHA-PP-337 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the supersymmetric standard model which is not minimal, the Higgs
potential does not conserve CP symmetry generally. Assuming that there exists
an SU(2)-triplet Higgs field, we discuss resultant CP-violating effects on the
Higgs bosons. The experimentally observed Higgs boson, which should be CP-even
in the standa... | [
{
"created": "Sat, 21 Nov 2015 06:40:47 GMT",
"version": "v1"
}
] | 2016-06-01 | [
[
"Oshimo",
"Noriyuki",
""
]
] | In the supersymmetric standard model which is not minimal, the Higgs potential does not conserve CP symmetry generally. Assuming that there exists an SU(2)-triplet Higgs field, we discuss resultant CP-violating effects on the Higgs bosons. The experimentally observed Higgs boson, which should be CP-even in the standard... |
hep-ph/0012101 | Martti Raidal | Ernest Ma, Martti Raidal and Utpal Sarkar | Phenomenology of the Neutrino-Mass-Giving Higgs Triplet and the
Low-Energy Seesaw Violation of Lepton Number | Minor changes in the text, results unchanged | Nucl.Phys. B615 (2001) 313-330 | 10.1016/S0550-3213(01)00416-3 | UCRHEP-T295 | hep-ph | null | Small realistic Majorana neutrino masses can be generated via a Higgs triplet
$(\xi^{++}, \xi^+, \xi^0)$ without having energy scales larger than $M_*={\cal
O}(1)$ TeV in the theory. The large effective mass scale $\Lambda$ in the
well-known seesaw neutrino-mass operator $\Lambda^{-1} (LL\Phi\Phi)$ is
naturally obtai... | [
{
"created": "Sat, 9 Dec 2000 00:05:13 GMT",
"version": "v1"
},
{
"created": "Mon, 18 Dec 2000 19:09:26 GMT",
"version": "v2"
},
{
"created": "Thu, 12 Jul 2001 07:27:04 GMT",
"version": "v3"
}
] | 2009-10-31 | [
[
"Ma",
"Ernest",
""
],
[
"Raidal",
"Martti",
""
],
[
"Sarkar",
"Utpal",
""
]
] | Small realistic Majorana neutrino masses can be generated via a Higgs triplet $(\xi^{++}, \xi^+, \xi^0)$ without having energy scales larger than $M_*={\cal O}(1)$ TeV in the theory. The large effective mass scale $\Lambda$ in the well-known seesaw neutrino-mass operator $\Lambda^{-1} (LL\Phi\Phi)$ is naturally obtaine... |
2404.03945 | Agnieszka Dziurda | Agnieszka Dziurda, Felix Erben, Marc Quentin F\"uhring, Thibaud
Humair, Thomas Latham, Eleftheria Malami, Pascal Reeck, Vladyslav
Shtabovenko, Melissa Cruz Torres, Yuma Uematsu, K. Keri Vos | Summary of Working Group 4: Mixing and mixing-related $CP$ violation in
the B system: $\Delta m$, $\Delta \Gamma$, $\phi_s$, $\phi_1/\alpha$,
$\phi_2/\beta$, $\phi_3/\gamma$ | Presented at the 12th Workshop on the CKM Unitarity Triangle, 18-22
September 2023, Santiago de Compostela | null | null | P3H-24-017, TTP24-006, CERN-TH-2024-043 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | This summary reviews contributions to the CKM 2023 workshop in Working Group
4: mixing and mixing-related $CP$ violation in B system. The theoretical and
experimental progress is discussed.
| [
{
"created": "Fri, 5 Apr 2024 08:18:44 GMT",
"version": "v1"
}
] | 2024-04-08 | [
[
"Dziurda",
"Agnieszka",
""
],
[
"Erben",
"Felix",
""
],
[
"Führing",
"Marc Quentin",
""
],
[
"Humair",
"Thibaud",
""
],
[
"Latham",
"Thomas",
""
],
[
"Malami",
"Eleftheria",
""
],
[
"Reeck",
"Pascal",
""
... | This summary reviews contributions to the CKM 2023 workshop in Working Group 4: mixing and mixing-related $CP$ violation in B system. The theoretical and experimental progress is discussed. |
1110.1850 | Bo-Qiang Ma | Zhou Lingli, Bo-Qiang Ma | Lorentz Violation of the Photon Sector in Field Theory Models | 9 pages, no figure, three tables. Final version for journal
publication | Adv. High Energ. Phys. 2014 (2014) 374572 | 10.1155/2014/374572 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compare the Lorentz violation terms of the pure photon sector between two
field theory models, namely the minimal standard model extension (SME) and the
standard model supplement (SMS). From the requirement of the identity of the
intersection for the two models, we find that the free photon sector of the SMS
can b... | [
{
"created": "Sun, 9 Oct 2011 15:45:14 GMT",
"version": "v1"
},
{
"created": "Tue, 17 Jan 2012 13:28:16 GMT",
"version": "v2"
},
{
"created": "Fri, 15 Aug 2014 15:44:42 GMT",
"version": "v3"
}
] | 2014-08-27 | [
[
"Lingli",
"Zhou",
""
],
[
"Ma",
"Bo-Qiang",
""
]
] | We compare the Lorentz violation terms of the pure photon sector between two field theory models, namely the minimal standard model extension (SME) and the standard model supplement (SMS). From the requirement of the identity of the intersection for the two models, we find that the free photon sector of the SMS can be ... |
1007.1633 | Rabindra N. Mohapatra | Rabindra N. Mohapatra | Neutrino mass and grand unification of flavor | Invited plenary talk at the symposium honoring Prof. Murray Gell-Mann
on his 80th Birthday; Nanyang techinical University, Singapore, February,
2010; 15 pages, no figures | Int.J.Mod.Phys.A25:4311-4323,2010 | 10.1142/S0217751X10050688 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The problem of understanding quark mass and mixing hierarchies has been an
outstanding problem of particle physics for a long time. The discovery of
neutrino masses in the past decade, exhibiting mixing and mass patterns so very
different from the quark sector has added an extra dimension to this puzzle.
This is spec... | [
{
"created": "Fri, 9 Jul 2010 17:33:45 GMT",
"version": "v1"
}
] | 2014-11-21 | [
[
"Mohapatra",
"Rabindra N.",
""
]
] | The problem of understanding quark mass and mixing hierarchies has been an outstanding problem of particle physics for a long time. The discovery of neutrino masses in the past decade, exhibiting mixing and mass patterns so very different from the quark sector has added an extra dimension to this puzzle. This is specia... |
1511.07351 | Cesar Bonilla | Cesar Bonilla, Jorge C. Rom\~ao, Jos\'e W.F. Valle | Electroweak breaking and neutrino mass: "invisible" Higgs decays at the
LHC (Type II seesaw) | 30 pages, 12 figures; Some references added. Matches NJP published
version | New J.Phys. 18 (2016) no.3, 033033 | 10.1088/1367-2630/18/3/033033 | CFTP-15-013, IFIC-15-XX | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Neutrino mass generation through the Higgs mechanism not only suggests the
need to reconsider the physics of electroweak symmetry breaking from a new
perspective, but also provides a new theoretically consistent and
experimentally viable paradigm. We illustrate this by describing the main
features of the electroweak ... | [
{
"created": "Mon, 23 Nov 2015 18:21:12 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Apr 2016 14:34:35 GMT",
"version": "v2"
}
] | 2016-04-06 | [
[
"Bonilla",
"Cesar",
""
],
[
"Romão",
"Jorge C.",
""
],
[
"Valle",
"José W. F.",
""
]
] | Neutrino mass generation through the Higgs mechanism not only suggests the need to reconsider the physics of electroweak symmetry breaking from a new perspective, but also provides a new theoretically consistent and experimentally viable paradigm. We illustrate this by describing the main features of the electroweak sy... |
1602.08265 | Daisuke Satow | Philipp Gubler, Daisuke Satow | Exact vector channel sum rules at finite temperature and their
applications to lattice QCD data analysis | 7 pages, 3 figures; v2: Fig. 4 is added, several details of formalism
in Sec. II are added, explanation of lattice analysis in Sec. III is
extended; v3 (published version in PRD): typo fixed, discussion in Sec. III
extended | Phys. Rev. D 94, 094042 (2016) | 10.1103/PhysRevD.94.094042 | null | hep-ph hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive three exact sum rules for the spectral function of the
electromagnetic current with zero spatial momentum at finite temperature. Two
of them are derived in this paper for the first time. We explicitly check that
these sum rules are satisfied in the weak coupling regime and examine which sum
rule is sensitiv... | [
{
"created": "Fri, 26 Feb 2016 10:16:50 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Aug 2016 15:17:30 GMT",
"version": "v2"
},
{
"created": "Thu, 24 Nov 2016 13:34:49 GMT",
"version": "v3"
}
] | 2016-11-30 | [
[
"Gubler",
"Philipp",
""
],
[
"Satow",
"Daisuke",
""
]
] | We derive three exact sum rules for the spectral function of the electromagnetic current with zero spatial momentum at finite temperature. Two of them are derived in this paper for the first time. We explicitly check that these sum rules are satisfied in the weak coupling regime and examine which sum rule is sensitive ... |
2401.00596 | Lipei Du | Lipei Du | Bulk medium properties of heavy-ion collisions from the beam energy scan
with a multistage hydrodynamic model | v1: 15 pages, 12 figures; v2: figs. 2 and 4 slightly adjusted; v3:
Title slightly changed. A few short discussions were added, but there are no
changes to the results or conclusions. Published in PRC | Phys. Rev. C 110, 014904 (2024) | 10.1103/PhysRevC.110.014904 | null | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We introduce a method to reconstruct full rapidity distributions of charged
particle multiplicity and net proton yields, crucial for constraining the
longitudinal dynamics of nuclear matter created in the beam energy scan
program. Employing rapidity distributions within a multistage hydrodynamic
model calibrated for ... | [
{
"created": "Sun, 31 Dec 2023 22:22:44 GMT",
"version": "v1"
},
{
"created": "Thu, 4 Jan 2024 18:49:25 GMT",
"version": "v2"
},
{
"created": "Mon, 8 Jul 2024 16:37:17 GMT",
"version": "v3"
}
] | 2024-07-09 | [
[
"Du",
"Lipei",
""
]
] | We introduce a method to reconstruct full rapidity distributions of charged particle multiplicity and net proton yields, crucial for constraining the longitudinal dynamics of nuclear matter created in the beam energy scan program. Employing rapidity distributions within a multistage hydrodynamic model calibrated for Au... |
1412.2955 | Namit Mahajan | Girish Kumar and Namit Mahajan | $B\rightarrow K^{*}l^+ l^-$: Zeroes of angular observables as test of
standard model | 7 pages, 1 pdf figure | Phys. Rev. D 93, 054041 (2016) | 10.1103/PhysRevD.93.054041 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the zeroes of angular observables $P_4^{'}$ and $P_5^{'}$ of 4 -
body angular distribution of $B\rightarrow K^{*} (\rightarrow K \pi) l^+ l^-$
where LHCb, in its analysis of form factor independent angular observables, has
found deviations from standard model predictions in one of the $q^2$ bins. In
the ... | [
{
"created": "Tue, 9 Dec 2014 13:41:12 GMT",
"version": "v1"
}
] | 2016-04-06 | [
[
"Kumar",
"Girish",
""
],
[
"Mahajan",
"Namit",
""
]
] | We calculate the zeroes of angular observables $P_4^{'}$ and $P_5^{'}$ of 4 - body angular distribution of $B\rightarrow K^{*} (\rightarrow K \pi) l^+ l^-$ where LHCb, in its analysis of form factor independent angular observables, has found deviations from standard model predictions in one of the $q^2$ bins. In the la... |
hep-ph/0012198 | Lynne H. Orr | Lynne H. Orr (Rochester) and W.J. Stirling (Durham) | Recent Results on BFKL Physics | 5 pages including 3 figures, Latex, uses epsfig,ws-p10x7.cls; talk
presented at the XXXth International Conference on High Energy Physics,
Osaka, Japan, July 27 -- August 2, 2000 | null | null | UR-1612 | hep-ph | null | Virtual photon scattering in $e^+e^-$ collisions can result in events with
the electron-positron pair produced at large rapidity separation in association
with hadrons. The BFKL equation resums large logarithms that dominate the cross
section for this process. After a brief overview of analytic BFKL resummation
and i... | [
{
"created": "Fri, 15 Dec 2000 19:10:48 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Orr",
"Lynne H.",
"",
"Rochester"
],
[
"Stirling",
"W. J.",
"",
"Durham"
]
] | Virtual photon scattering in $e^+e^-$ collisions can result in events with the electron-positron pair produced at large rapidity separation in association with hadrons. The BFKL equation resums large logarithms that dominate the cross section for this process. After a brief overview of analytic BFKL resummation and its... |
hep-ph/9207210 | null | W. R. Greenberg and G. A. Miller | Multiple-Scattering Series For Color Transparency | 26 pages, U.Wa. preprint 40427-23-N92 | Phys.Rev.D47:1865-1878,1993 | 10.1103/PhysRevD.47.1865 | null | hep-ph | null | Color transparency CT depends on the formation of a wavepacket of small
spatial extent. It is useful to interpret experimental searches for CT with a
multiple scattering scattering series based on wavepacket-nucleon scattering
instead of the standard one using nucleon-nucleon scattering. We develop
several new techni... | [
{
"created": "Fri, 3 Jul 1992 15:15:19 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Greenberg",
"W. R.",
""
],
[
"Miller",
"G. A.",
""
]
] | Color transparency CT depends on the formation of a wavepacket of small spatial extent. It is useful to interpret experimental searches for CT with a multiple scattering scattering series based on wavepacket-nucleon scattering instead of the standard one using nucleon-nucleon scattering. We develop several new techniqu... |
1710.06810 | Daniel Schwartl\"ander | Anna Kulesza, Leszek Motyka, Daniel Schwartl\"ander, Tomasz Stebel,
Vincent Theeuwes | Soft gluon resummation for the associated production of a top quark pair
with a W boson at the LHC | 6 pages, 4 figures, 1 table, proceedings prepared for the European
Physical Society Conference on High Energy Physics (EPS-HEP 2017), 5-12 July
2017, Venice, Italy | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present our results on soft gluon resummation in the invariant mass
threshold applied to the associated production of a top quark pair with a W
boson at the LHC in the Mellin space formalism.
| [
{
"created": "Wed, 18 Oct 2017 16:11:35 GMT",
"version": "v1"
}
] | 2017-10-19 | [
[
"Kulesza",
"Anna",
""
],
[
"Motyka",
"Leszek",
""
],
[
"Schwartländer",
"Daniel",
""
],
[
"Stebel",
"Tomasz",
""
],
[
"Theeuwes",
"Vincent",
""
]
] | We present our results on soft gluon resummation in the invariant mass threshold applied to the associated production of a top quark pair with a W boson at the LHC in the Mellin space formalism. |
hep-ph/0501211 | Atsushi Watanabe | Nobuhiro Uekusa, Atsushi Watanabe, Koichi Yoshioka | Asymmetry and Minimality of Quark Mass Matrices | 25 pages | Phys.Rev. D71 (2005) 094024 | 10.1103/PhysRevD.71.094024 | KYUSHU-HET-78 | hep-ph | null | We systematically investigate general forms of mass matrices for
three-generation up and down quarks, including asymmetrical ones in generation
space. Viable zero matrix elements are explored which are compatible with the
current observation of masses and mixing angles, and also with the recent
measurement of CP viol... | [
{
"created": "Mon, 24 Jan 2005 08:00:33 GMT",
"version": "v1"
},
{
"created": "Thu, 5 May 2005 11:02:03 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Uekusa",
"Nobuhiro",
""
],
[
"Watanabe",
"Atsushi",
""
],
[
"Yoshioka",
"Koichi",
""
]
] | We systematically investigate general forms of mass matrices for three-generation up and down quarks, including asymmetrical ones in generation space. Viable zero matrix elements are explored which are compatible with the current observation of masses and mixing angles, and also with the recent measurement of CP violat... |
1705.02368 | Richard F. Lebed | Irinel Caprini, Benjamin Grinstein, and Richard F. Lebed | Model-independent constraints on hadronic form factors with
above-threshold poles | 9 pages, 1 pdf figure. Illustrative numerical results included.
Version accepted for publication in Phys. Rev. D | Phys. Rev. D 96, 036015 (2017) | 10.1103/PhysRevD.96.036015 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Model-independent constraints on hadronic form factors, in particular those
describing exclusive semileptonic decays, can be derived from the knowledge of
field correlators calculated in perturbative QCD, using analyticity and
unitarity. The location of poles corresponding to below-threshold resonances,
i.e., stable ... | [
{
"created": "Fri, 5 May 2017 19:06:23 GMT",
"version": "v1"
},
{
"created": "Sat, 12 Aug 2017 21:03:16 GMT",
"version": "v2"
}
] | 2017-09-06 | [
[
"Caprini",
"Irinel",
""
],
[
"Grinstein",
"Benjamin",
""
],
[
"Lebed",
"Richard F.",
""
]
] | Model-independent constraints on hadronic form factors, in particular those describing exclusive semileptonic decays, can be derived from the knowledge of field correlators calculated in perturbative QCD, using analyticity and unitarity. The location of poles corresponding to below-threshold resonances, i.e., stable st... |
hep-ph/9903278 | Ram Brustein | Ram Brustein, Merav Hadad | Dark Matter in Models of String Cosmology | 13 pages LaTeX, uses aipproc.sty, talk presented by R. Brustein at
COSMO 98, Asilomar, California, November 1998 | null | 10.1063/1.59418 | null | hep-ph astro-ph | null | The origin of dark matter in the universe may be weakly interacting scalar
particles produced by amplification of quantum fluctuations during a period of
dilaton-driven inflation. We present two interesting cases, the case of small
fluctuations, and the resulting nonthermal spectrum, and the case of large
fluctuation... | [
{
"created": "Sun, 7 Mar 1999 06:53:58 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Brustein",
"Ram",
""
],
[
"Hadad",
"Merav",
""
]
] | The origin of dark matter in the universe may be weakly interacting scalar particles produced by amplification of quantum fluctuations during a period of dilaton-driven inflation. We present two interesting cases, the case of small fluctuations, and the resulting nonthermal spectrum, and the case of large fluctuations ... |
2201.04075 | Simon Badger | Simon Badger, Heribertus Bayu Hartanto, Jakub Kry\'s, Simone Zoia | Two-loop leading colour helicity amplitudes for $W^\pm\gamma+j$
production at the LHC | 35 pages, ancillary files with analytic expressions | null | 10.1007/JHEP05(2022)035 | CAVENDISH-HEP-22/01 | hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | We present the two-loop leading colour QCD helicity amplitudes for the
process $pp\to W(\to l\nu)\gamma+j$. We implement a complete reduction of the
amplitudes, including the leptonic decay of the $W$-boson, using finite field
arithmetic, and extract the analytic finite remainders using a recently
identified basis of... | [
{
"created": "Tue, 11 Jan 2022 17:12:32 GMT",
"version": "v1"
}
] | 2022-05-25 | [
[
"Badger",
"Simon",
""
],
[
"Hartanto",
"Heribertus Bayu",
""
],
[
"Kryś",
"Jakub",
""
],
[
"Zoia",
"Simone",
""
]
] | We present the two-loop leading colour QCD helicity amplitudes for the process $pp\to W(\to l\nu)\gamma+j$. We implement a complete reduction of the amplitudes, including the leptonic decay of the $W$-boson, using finite field arithmetic, and extract the analytic finite remainders using a recently identified basis of s... |
1103.1338 | K. S. Babu | K.S. Babu | Radiative Generation of Neutrino Masses and its Experimental Signals | Based on talk presented at ICHEP 2010, Paris, To be published in PoS
ICHEP 2010, 4 pages LaTeX | null | null | OSU-HEP-11-2 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Tiny neutrino masses can arise naturally via loop diagrams. After a brief
review of the radiative mass generation mechanism, I present a new model
wherein TeV scale leptoquark scalars induce neutrino masses via two--loop
diagrams. This model predicts the neutrino oscillation parameter
\sin^2\theta_{13} to be close to... | [
{
"created": "Mon, 7 Mar 2011 19:13:22 GMT",
"version": "v1"
}
] | 2015-03-19 | [
[
"Babu",
"K. S.",
""
]
] | Tiny neutrino masses can arise naturally via loop diagrams. After a brief review of the radiative mass generation mechanism, I present a new model wherein TeV scale leptoquark scalars induce neutrino masses via two--loop diagrams. This model predicts the neutrino oscillation parameter \sin^2\theta_{13} to be close to t... |
2302.08281 | Wrishik Naskar | Anisha, Oliver Atkinson, Akanksha Bhardwaj, Christoph Englert, Wrishik
Naskar, Panagiotis Stylianou | On the BSM reach of four top production at the LHC | 21 pages, 9 figures | null | 10.1103/PhysRevD.108.035001 | DESY-23-025 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Many scenarios of beyond the Standard Model (BSM) physics give rise to new
top-philic interactions that can be probed at proton machines such as the Large
Hadron Collider through a variety of production and decay modes. On the one
hand, this will enable a detailed determination of the BSM model's parameters
when a di... | [
{
"created": "Thu, 16 Feb 2023 13:23:01 GMT",
"version": "v1"
}
] | 2023-08-16 | [
[
"Anisha",
"",
""
],
[
"Atkinson",
"Oliver",
""
],
[
"Bhardwaj",
"Akanksha",
""
],
[
"Englert",
"Christoph",
""
],
[
"Naskar",
"Wrishik",
""
],
[
"Stylianou",
"Panagiotis",
""
]
] | Many scenarios of beyond the Standard Model (BSM) physics give rise to new top-philic interactions that can be probed at proton machines such as the Large Hadron Collider through a variety of production and decay modes. On the one hand, this will enable a detailed determination of the BSM model's parameters when a disc... |
2302.09740 | Zolt\'an Varga | Zolt\'an Varga, Anett Mis\'ak, R\'obert V\'ertesi | Event-activity dependent production of strange and non-strange charmed
baryons in the enhanced color-reconnection scheme | null | J. Phys. G: Nucl. Part. Phys. 50 (2023) 075002 | 10.1088/1361-6471/accfb4 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We investigated the production of charmed baryons with different isospin and
strangeness content, compared to both charmed $D^0$ mesons and to the
$\Lambda_c^+$ baryon in proton--proton collisions at LHC energies. We used the
PYTHIA 8 Monte Carlo event generator with color-reconnection beyond leading
color approximat... | [
{
"created": "Mon, 20 Feb 2023 03:42:45 GMT",
"version": "v1"
}
] | 2023-06-06 | [
[
"Varga",
"Zoltán",
""
],
[
"Misák",
"Anett",
""
],
[
"Vértesi",
"Róbert",
""
]
] | We investigated the production of charmed baryons with different isospin and strangeness content, compared to both charmed $D^0$ mesons and to the $\Lambda_c^+$ baryon in proton--proton collisions at LHC energies. We used the PYTHIA 8 Monte Carlo event generator with color-reconnection beyond leading color approximatio... |
1810.08738 | Zhenjun Xiao | Jun Hua, Ya-Lan Zhang and Zhen-Jun Xiao | The next-to-leading order corrections to $B \to \rho$ transition in the
$k_T$ factorization | 22 pages, 7 figures | Phys. Rev. D 99, 016007 (2019) | 10.1103/PhysRevD.99.016007 | null | hep-ph hep-ex | http://creativecommons.org/publicdomain/zero/1.0/ | In this paper, we investigate the factorization hypothesis step by step for
the exclusive process $B \to \rho$ at next-to-leading order (NLO) with the
collinear factorization approach, and then we extend our results to the $k_T$
factorization frame. We show that the soft divergence from the specific NLO
diagrams will... | [
{
"created": "Sat, 20 Oct 2018 02:49:55 GMT",
"version": "v1"
},
{
"created": "Mon, 29 Oct 2018 01:19:17 GMT",
"version": "v2"
}
] | 2019-01-16 | [
[
"Hua",
"Jun",
""
],
[
"Zhang",
"Ya-Lan",
""
],
[
"Xiao",
"Zhen-Jun",
""
]
] | In this paper, we investigate the factorization hypothesis step by step for the exclusive process $B \to \rho$ at next-to-leading order (NLO) with the collinear factorization approach, and then we extend our results to the $k_T$ factorization frame. We show that the soft divergence from the specific NLO diagrams will c... |
1601.07551 | Luca Merlo Dr. | M.B. Gavela, E.E. Jenkins, A.V. Manohar, L. Merlo | Analysis of General Power Counting Rules in Effective Field Theory | V2: more details and examples added; version published in journal. 17
pages, 4 figures, 2 tables | Eur. Phys. J. C (2016) 76:485 | 10.1140/epjc/s10052-016-4332-1 | CERN-TH-2016-015, FTUAM-16-2, IFT-UAM/CSIC-16-006 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We derive the general counting rules for a quantum effective field theory
(EFT) in $\mathsf{d}$ dimensions. The rules are valid for strongly and weakly
coupled theories, and predict that all kinetic energy terms are canonically
normalized. They determine the energy dependence of scattering cross sections
in the range... | [
{
"created": "Wed, 27 Jan 2016 21:00:01 GMT",
"version": "v1"
},
{
"created": "Fri, 9 Sep 2016 10:28:58 GMT",
"version": "v2"
}
] | 2016-09-12 | [
[
"Gavela",
"M. B.",
""
],
[
"Jenkins",
"E. E.",
""
],
[
"Manohar",
"A. V.",
""
],
[
"Merlo",
"L.",
""
]
] | We derive the general counting rules for a quantum effective field theory (EFT) in $\mathsf{d}$ dimensions. The rules are valid for strongly and weakly coupled theories, and predict that all kinetic energy terms are canonically normalized. They determine the energy dependence of scattering cross sections in the range o... |
hep-ph/9603249 | Xiangdong Ji | Xiangdong Ji (MIT and INT) | Gauge-Invariant Decomposition of Nucleon Spin and Its Spin-Off | null | Phys.Rev.Lett. 78 (1997) 610-613 | 10.1103/PhysRevLett.78.610 | null | hep-ph | null | I introduce a gauge invariant decomposition of the nucleon spin into quark
helicity, quark orbital, and gluon contributions. The total quark (and hence
the quark orbital) contribution is shown to be measurable through virtual
Compton scattering in a special kinematic region where single quark scattering
dominates. Th... | [
{
"created": "Fri, 8 Mar 1996 00:19:40 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Ji",
"Xiangdong",
"",
"MIT and INT"
]
] | I introduce a gauge invariant decomposition of the nucleon spin into quark helicity, quark orbital, and gluon contributions. The total quark (and hence the quark orbital) contribution is shown to be measurable through virtual Compton scattering in a special kinematic region where single quark scattering dominates. This... |
hep-ph/0004028 | George Lazarides | M. E. Gomez (IST, Lisbon), G. Lazarides, C. Pallis (Aristotle
University of Thessaloniki) | Yukawa Unification, b --> s gamma and Bino-Stau Coannihilation | 16 pages including 3 figures, Revtex, major revisions are made | Phys.Lett.B487:313-320,2000 | 10.1016/S0370-2693(00)00841-8 | UT-STPD-2/00, FISIST/2-2000/CFIF | hep-ph | null | The minimal supersymmetric standard model with universal boundary conditions
and "asymptotic" Yukawa unification is considered. The full one-loop effective
potential for radiative electroweak symmetry breaking as well as the one-loop
corrections to the charged Higgs boson, b-quark and tau lepton masses are
included. ... | [
{
"created": "Tue, 4 Apr 2000 15:19:12 GMT",
"version": "v1"
},
{
"created": "Sun, 18 Jun 2000 12:01:42 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Gomez",
"M. E.",
"",
"IST, Lisbon"
],
[
"Lazarides",
"G.",
"",
"Aristotle\n University of Thessaloniki"
],
[
"Pallis",
"C.",
"",
"Aristotle\n University of Thessaloniki"
]
] | The minimal supersymmetric standard model with universal boundary conditions and "asymptotic" Yukawa unification is considered. The full one-loop effective potential for radiative electroweak symmetry breaking as well as the one-loop corrections to the charged Higgs boson, b-quark and tau lepton masses are included. Th... |
1307.3962 | Sven Heinemeyer | A. Freitas, K. Hagiwara, S. Heinemeyer, P. Langacker, K. Moenig, M.
Tanabashi, G.W. Wilson | Exploring Quantum Physics at the ILC | 30 pages, 8 figures; Snowmass White Paper contribution | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the ILC capabilities to explore the electroweak (EW) sector of the
SM at high precision and the prospects of unveiling signals of BSM physics,
either through the presence of new particles in higher-order corrections or via
direct production of extra EW gauge bosons. This includes electroweak precision
obser... | [
{
"created": "Mon, 15 Jul 2013 14:31:08 GMT",
"version": "v1"
}
] | 2013-07-16 | [
[
"Freitas",
"A.",
""
],
[
"Hagiwara",
"K.",
""
],
[
"Heinemeyer",
"S.",
""
],
[
"Langacker",
"P.",
""
],
[
"Moenig",
"K.",
""
],
[
"Tanabashi",
"M.",
""
],
[
"Wilson",
"G. W.",
""
]
] | We review the ILC capabilities to explore the electroweak (EW) sector of the SM at high precision and the prospects of unveiling signals of BSM physics, either through the presence of new particles in higher-order corrections or via direct production of extra EW gauge bosons. This includes electroweak precision observa... |
2208.14857 | Siyi Zhou | Haipeng An, Xi Tong, Siyi Zhou | Superheavy Dark Matter Production from Symmetry Restoration First-Order
Phase Transition During Inflation | 11 pages, 7 figures | null | null | KOBE-COSMO-22-11 | hep-ph astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a scenario where superheavy dark matter (DM) can be produced via
symmetry restoration first-order phase transition during inflation triggered by
the evolution of the inflaton field. The phase transition happens in a
spectator sector coupled to the inflaton field. During the phase transition,
the spectator ... | [
{
"created": "Wed, 31 Aug 2022 13:39:59 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Sep 2022 00:44:34 GMT",
"version": "v2"
}
] | 2022-09-08 | [
[
"An",
"Haipeng",
""
],
[
"Tong",
"Xi",
""
],
[
"Zhou",
"Siyi",
""
]
] | We propose a scenario where superheavy dark matter (DM) can be produced via symmetry restoration first-order phase transition during inflation triggered by the evolution of the inflaton field. The phase transition happens in a spectator sector coupled to the inflaton field. During the phase transition, the spectator fi... |
hep-ph/9608294 | Yuping Kuang | Chong-Xing Yue, Hong-Yi Zhou, Yu-Ping Kuang, and Gong-Ru lu | t anti-t Production Rates at the Tevatron and the LHC in Topcolor-
Assisted Multiscale Technicolor Models | 16 pages in RevTex, 9 postscript figures | Phys.Rev.D55:5541-5548,1997 | 10.1103/PhysRevD.55.5541 | TUIMP-TH-96/79 | hep-ph | null | We study the contributions of the neutral pseudo Goldstone bosons
(technipions and top-pions) to the t anti-t production cross sections at the
Tevatron and the LHC in topcolor-assisted multiscale technicolor (TOPCMTC)
models via the gluon-gluon fusion process from the loop-level couplings between
the pseudo Goldstone... | [
{
"created": "Sat, 10 Aug 1996 05:23:00 GMT",
"version": "v1"
}
] | 2008-12-18 | [
[
"Yue",
"Chong-Xing",
""
],
[
"Zhou",
"Hong-Yi",
""
],
[
"Kuang",
"Yu-Ping",
""
],
[
"lu",
"Gong-Ru",
""
]
] | We study the contributions of the neutral pseudo Goldstone bosons (technipions and top-pions) to the t anti-t production cross sections at the Tevatron and the LHC in topcolor-assisted multiscale technicolor (TOPCMTC) models via the gluon-gluon fusion process from the loop-level couplings between the pseudo Goldstone b... |
2302.01761 | Hsiang-nan Li | Hsiang-nan Li | Dispersive constraints on fermion masses | 20 pages, 14 figures, journal version, estimates on theoretical
uncertainties included | null | 10.1103/PhysRevD.107.094007 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We demonstrate that fermion masses in the Standard Model (SM) can be
constrained by the dispersion relations obeyed by hadronic and semileptonic
decay widths of a fictitious heavy quark $Q$ with an arbitrary mass. These
relations, imposing stringent connections between the high-mass and low-mass
behaviors of decay wi... | [
{
"created": "Fri, 3 Feb 2023 14:20:37 GMT",
"version": "v1"
},
{
"created": "Tue, 2 May 2023 16:41:37 GMT",
"version": "v2"
}
] | 2023-05-17 | [
[
"Li",
"Hsiang-nan",
""
]
] | We demonstrate that fermion masses in the Standard Model (SM) can be constrained by the dispersion relations obeyed by hadronic and semileptonic decay widths of a fictitious heavy quark $Q$ with an arbitrary mass. These relations, imposing stringent connections between the high-mass and low-mass behaviors of decay widt... |
hep-ph/0005170 | Bohdan Grzadkowski | Bohdan Grzadkowski (Warsaw U.), John F. Gunion (UC, Davis) and Jacek
Pliszka(Warsaw U.) | Testing CP Violation in the Higgs Sector at Muon Colliders | 6 pages, LaTex, 2 figures, talk given at the 35th Rencontres de
Moriond, Electroweak Interactions and Unified Theories, Les Arcs, France,
March 11-18, 2000 | null | null | null | hep-ph | null | We study the possibility of measuring the muon Yukawa couplings in s-channel
Higgs boson production at a muon collider with transversely polarized beams. We
investigate sensitivity to the relative size of the CP-odd and CP-even muon
Yukawa couplings. Provided the event rate observed justifies the operation of
the mu+... | [
{
"created": "Wed, 17 May 2000 16:53:57 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Grzadkowski",
"Bohdan",
"",
"Warsaw U."
],
[
"Gunion",
"John F.",
"",
"UC, Davis"
],
[
"Pliszka",
"Jacek",
"",
"Warsaw U."
]
] | We study the possibility of measuring the muon Yukawa couplings in s-channel Higgs boson production at a muon collider with transversely polarized beams. We investigate sensitivity to the relative size of the CP-odd and CP-even muon Yukawa couplings. Provided the event rate observed justifies the operation of the mu+mu... |
1801.06254 | Hugo Ter\c{c}as | H. Ter\c{c}as, J. D. Rodrigues and J. T. Mendon\c{c}a | Axion-plasmon polaritons in strongly magnetized plasmas | Axions, polaritons, avoided crossing, dynamical instability,
axion-like particles, magnetized plasmas | Phys. Rev. Lett. 120, 181803 (2018) | 10.1103/PhysRevLett.120.181803 | null | hep-ph physics.plasm-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Axions are hypothetical particles related to the violation of the
charge-parity symmetry, being the most prone candidates for dark matter.
Multiple attempts to prove their existence are currently performed in different
physical systems. Here, we anticipate the possibility of the axions coupling to
the electrostatic (... | [
{
"created": "Thu, 18 Jan 2018 23:51:03 GMT",
"version": "v1"
}
] | 2018-05-09 | [
[
"Terças",
"H.",
""
],
[
"Rodrigues",
"J. D.",
""
],
[
"Mendonça",
"J. T.",
""
]
] | Axions are hypothetical particles related to the violation of the charge-parity symmetry, being the most prone candidates for dark matter. Multiple attempts to prove their existence are currently performed in different physical systems. Here, we anticipate the possibility of the axions coupling to the electrostatic (La... |
2212.12893 | Qi Wu | Qi Wu, Jun-Zhang Wang and Shi-Lin Zhu | The $X(3872)\rightarrow J/\psi \pi \gamma$ and $X(3872)\rightarrow
J/\psi \pi\pi \gamma$ decays | 8 pages, 6 figures and 2 tables, accepted by Phys. Rev. D | Phys.Rev.D 107 (2023) 7, 074002 | 10.1103/PhysRevD.107.074002 | null | hep-ph hep-ex | http://creativecommons.org/publicdomain/zero/1.0/ | We study the $\rho$ and $\omega$ meson contribution to the radiative decays
$X(3872)\rightarrow J/\psi \pi \gamma$ and $X(3872)\rightarrow J/\psi \pi\pi
\gamma$. The $X(3872)\rightarrow J/\psi \pi \gamma$ is dominated by the
$\omega$ meson. As for the $X(3872)\rightarrow J/\psi \pi\pi \gamma$, the
contributions of th... | [
{
"created": "Sun, 25 Dec 2022 11:23:32 GMT",
"version": "v1"
},
{
"created": "Wed, 15 Mar 2023 07:16:04 GMT",
"version": "v2"
}
] | 2023-04-10 | [
[
"Wu",
"Qi",
""
],
[
"Wang",
"Jun-Zhang",
""
],
[
"Zhu",
"Shi-Lin",
""
]
] | We study the $\rho$ and $\omega$ meson contribution to the radiative decays $X(3872)\rightarrow J/\psi \pi \gamma$ and $X(3872)\rightarrow J/\psi \pi\pi \gamma$. The $X(3872)\rightarrow J/\psi \pi \gamma$ is dominated by the $\omega$ meson. As for the $X(3872)\rightarrow J/\psi \pi\pi \gamma$, the contributions of the ... |
1806.08204 | Sinan Zei{\ss}ner | Wei-Chih Huang, Heinrich P\"as and Sinan Zei{\ss}ner | Scalar Dark Matter, GUT baryogenesis and Radiative neutrino mass | 16 pages, 6 figures. v2: version accepted by PRD | Phys. Rev. D 98, 075024 (2018) | 10.1103/PhysRevD.98.075024 | DO-TH 18/12, CP3-Origins-2018-022 DNRF90 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate an interesting correlation among dark matter phenomenology,
neutrino mass generation and GUT baryogenesis, based on the scotogenic model.
The model contains additional right-handed neutrinos $N$ and a second Higgs
doublet $\Phi$, both of which are odd under an imposed $Z_2$ symmetry. The
neutral compon... | [
{
"created": "Thu, 21 Jun 2018 12:38:59 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Nov 2018 12:06:18 GMT",
"version": "v2"
}
] | 2018-11-14 | [
[
"Huang",
"Wei-Chih",
""
],
[
"Päs",
"Heinrich",
""
],
[
"Zeißner",
"Sinan",
""
]
] | We investigate an interesting correlation among dark matter phenomenology, neutrino mass generation and GUT baryogenesis, based on the scotogenic model. The model contains additional right-handed neutrinos $N$ and a second Higgs doublet $\Phi$, both of which are odd under an imposed $Z_2$ symmetry. The neutral componen... |
1912.02689 | Miguel G. Folgado | Miguel G. Folgado, Andrea Donini and Nuria Rius | Gravity-mediated Dark Matter in Clockwork/Linear Dilaton
Extra-Dimensions | 26 pages, 6 figures. Published version. arXiv admin note: text
overlap with arXiv:1907.04340 | J. High Energ. Phys. 2020, 36 (2020) | 10.1007/JHEP04(2020)036 | FTUV-19-1128.3781, IFIC/19-56 | hep-ph astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study for the first time the possibility that Dark Matter (represented by
particles with spin $0,1/2$ or $1$) interacts gravitationally with Standard
Model particles in an extra-dimensional Clockwork/Linear Dilaton model. We
assume that both, the Dark Matter and the Standard Model, are localized in the
IR-brane an... | [
{
"created": "Wed, 4 Dec 2019 12:14:22 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Apr 2020 15:07:40 GMT",
"version": "v2"
}
] | 2020-04-13 | [
[
"Folgado",
"Miguel G.",
""
],
[
"Donini",
"Andrea",
""
],
[
"Rius",
"Nuria",
""
]
] | We study for the first time the possibility that Dark Matter (represented by particles with spin $0,1/2$ or $1$) interacts gravitationally with Standard Model particles in an extra-dimensional Clockwork/Linear Dilaton model. We assume that both, the Dark Matter and the Standard Model, are localized in the IR-brane and ... |
hep-ph/9404209 | R. Sekhar Chivukula | R.S. Chivukula, E.H. Simmons, and J. Terning | A Heavy Top Quark and the $Zb\bar{b}$ Vertex in Non-Commuting Extended
Technicolor | 14 pages, (uses harmac.tex), BUHEP-94-8 | Phys.Lett.B331:383-389,1994 | 10.1016/0370-2693(94)91068-5 | null | hep-ph | null | We explore corrections to electroweak parameters in the context of Extended
Technicolor (ETC) models in which the ETC gauge-boson which generates the
top-quark mass carries weak $SU(2)$ charge. For $m_t \sim 150$ GeV there exist
potentially large corrections to the $Z$ decay width to $b$-quarks.
Interestingly, in con... | [
{
"created": "Mon, 4 Apr 1994 03:27:47 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Chivukula",
"R. S.",
""
],
[
"Simmons",
"E. H.",
""
],
[
"Terning",
"J.",
""
]
] | We explore corrections to electroweak parameters in the context of Extended Technicolor (ETC) models in which the ETC gauge-boson which generates the top-quark mass carries weak $SU(2)$ charge. For $m_t \sim 150$ GeV there exist potentially large corrections to the $Z$ decay width to $b$-quarks. Interestingly, in contr... |
2203.03280 | Triparno Bandyopadhyay | Triparno Bandyopadhyay, Sabyasachi Chakraborty, Sokratis Trifinopoulos | Displaced Searches for Light Vector Bosons at Belle II | Published version. 19 pages, 8 figures. Minor Changes | null | 10.1007/JHEP05(2022)141 | SISSA 04/2022/FISI, TIFR/TH/22-3 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | With a design luminosity of 50 ab$^{-1}$ and detectors with tracking
capabilities extending beyond 1 m, the Belle II experiment is the perfect
laboratory for the search of particles that couple weakly to the Standard Model
and have a characteristic decay length of a few centimetres and more. We show
that for models o... | [
{
"created": "Mon, 7 Mar 2022 10:52:37 GMT",
"version": "v1"
},
{
"created": "Mon, 23 May 2022 19:00:37 GMT",
"version": "v2"
}
] | 2022-05-25 | [
[
"Bandyopadhyay",
"Triparno",
""
],
[
"Chakraborty",
"Sabyasachi",
""
],
[
"Trifinopoulos",
"Sokratis",
""
]
] | With a design luminosity of 50 ab$^{-1}$ and detectors with tracking capabilities extending beyond 1 m, the Belle II experiment is the perfect laboratory for the search of particles that couple weakly to the Standard Model and have a characteristic decay length of a few centimetres and more. We show that for models of ... |
hep-ph/9610335 | Michael Pluemacher | W. Buchmuller | Electroweak Phase Transition and Neutrino Masses | LaTeX, 23 pages, 9 figures, uses epsfig. To be published in Quarks
'96, Proc. of the IXth International Seminar, Yaroslavl, Russia, 1996 | null | null | DESY 96-216 | hep-ph hep-lat | null | The presently observed cosmological baryon asymmetry has been finally
determined at the time of the electroweak phase transition, when baryon and
lepton number violating interactions fell out of thermal equilibrium. We
discuss the thermodynamics of the phase transition based on the free energy of
the SU(2) Higgs mode... | [
{
"created": "Fri, 11 Oct 1996 16:02:08 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Buchmuller",
"W.",
""
]
] | The presently observed cosmological baryon asymmetry has been finally determined at the time of the electroweak phase transition, when baryon and lepton number violating interactions fell out of thermal equilibrium. We discuss the thermodynamics of the phase transition based on the free energy of the SU(2) Higgs model ... |
1503.07611 | Xiaoran Zhao | Qiang Li, Zhao Li, Qi-Shu Yan, Xiaoran Zhao | Probe Higgs boson pair production via the $3 \ell 2 j$ + missing $E_T$
mode | Added references | Phys. Rev. D 92, 014015 (2015) | 10.1103/PhysRevD.92.014015 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We perform a detailed hadron-level study on the sensitivity of Higgs boson
pair production via the $WW^{*}WW^{*}$ channel with the final state $3 \ell 2
j$ + missing $E_T$ at the LHC with the collision energy $\sqrt{S} = 14$ TeV and
a future 100 TeV collider. To avoid the huge background from $pp \to Z W +
\textrm{je... | [
{
"created": "Thu, 26 Mar 2015 03:51:33 GMT",
"version": "v1"
},
{
"created": "Wed, 1 Apr 2015 03:24:17 GMT",
"version": "v2"
}
] | 2015-07-22 | [
[
"Li",
"Qiang",
""
],
[
"Li",
"Zhao",
""
],
[
"Yan",
"Qi-Shu",
""
],
[
"Zhao",
"Xiaoran",
""
]
] | We perform a detailed hadron-level study on the sensitivity of Higgs boson pair production via the $WW^{*}WW^{*}$ channel with the final state $3 \ell 2 j$ + missing $E_T$ at the LHC with the collision energy $\sqrt{S} = 14$ TeV and a future 100 TeV collider. To avoid the huge background from $pp \to Z W + \textrm{jets... |
1803.07034 | Sergey Koshkarev | Sergey Koshkarev, Stefan Groote | Analysis of the baryonic state $|[qc]c\rangle$ | 5 pages | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this note we analyse the structure of the baryonic state $|[qc]c\rangle$
with a spin-0 diquark $[qc]$, as compared to baryonic states $|(qc)c\rangle$
and $|q(cc)\rangle$ containing internal spin-1 diquark states. While one can
identify the state $|q(cc)\rangle$ with the state observed at LHCb, the state
$|(qc)c\ra... | [
{
"created": "Mon, 19 Mar 2018 16:51:28 GMT",
"version": "v1"
},
{
"created": "Sun, 1 Apr 2018 17:22:26 GMT",
"version": "v2"
},
{
"created": "Thu, 16 Aug 2018 21:10:58 GMT",
"version": "v3"
}
] | 2018-08-20 | [
[
"Koshkarev",
"Sergey",
""
],
[
"Groote",
"Stefan",
""
]
] | In this note we analyse the structure of the baryonic state $|[qc]c\rangle$ with a spin-0 diquark $[qc]$, as compared to baryonic states $|(qc)c\rangle$ and $|q(cc)\rangle$ containing internal spin-1 diquark states. While one can identify the state $|q(cc)\rangle$ with the state observed at LHCb, the state $|(qc)c\rang... |
2407.02462 | Manibrata Sen | Manibrata Sen, Alexei Y. Smirnov | Neutrinos with refractive masses and the DESI BAO results | 6 pages, 3 figures | null | null | null | hep-ph astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | Due to interactions with dark matter, neutrinos can acquire refractive masses
which explain the data from oscillation experiments. We study the effects of
relic neutrinos with refractive masses on structure formation in the Universe.
In the model with a light fermionic mediator, above the resonance energy,
$E_R$, ass... | [
{
"created": "Tue, 2 Jul 2024 17:40:07 GMT",
"version": "v1"
}
] | 2024-07-03 | [
[
"Sen",
"Manibrata",
""
],
[
"Smirnov",
"Alexei Y.",
""
]
] | Due to interactions with dark matter, neutrinos can acquire refractive masses which explain the data from oscillation experiments. We study the effects of relic neutrinos with refractive masses on structure formation in the Universe. In the model with a light fermionic mediator, above the resonance energy, $E_R$, assoc... |
1107.4306 | Tanumoy Mandal | Shrihari Gopalakrishna, Tanumoy Mandal, Subhadip Mitra, Rakesh
Tibrewala | LHC Signatures of a Vector-like b' | 22 pages, 6 figures, minor changes, reference added, journal version | Phys.Rev.D84:055001,2011 | 10.1103/PhysRevD.84.055001 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Many beyond the standard model extensions predict the existence of heavy
vector-like fermions. We study the LHC signatures of one such heavy vector-like
fermion, called b', with electromagnetic charge -1/3 like the SM b-quark, but
which could generically have different SU(2)_L and U(1)_Y quantum numbers. Our
emphasis... | [
{
"created": "Thu, 21 Jul 2011 16:31:35 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Aug 2011 14:40:11 GMT",
"version": "v2"
}
] | 2011-09-29 | [
[
"Gopalakrishna",
"Shrihari",
""
],
[
"Mandal",
"Tanumoy",
""
],
[
"Mitra",
"Subhadip",
""
],
[
"Tibrewala",
"Rakesh",
""
]
] | Many beyond the standard model extensions predict the existence of heavy vector-like fermions. We study the LHC signatures of one such heavy vector-like fermion, called b', with electromagnetic charge -1/3 like the SM b-quark, but which could generically have different SU(2)_L and U(1)_Y quantum numbers. Our emphasis w... |
hep-ph/0510114 | Eugenio Megias | E. Megias, E. Ruiz Arriola, L.L. Salcedo | Non-perturbative contribution to the Polyakov loop above the
deconfinement phase transition | Talk given at Quark Matter 2005, 18th Internationl Conference on
Nucleus-Nucleus Interactions, August 4-9, 2005, Budapest, Hungary, 4 pages, 3
figures | Rom.Rep.Phys. 58 (2006) 081-086 | null | null | hep-ph | null | The Polyakov loop is an order parameter to the confinement-deconfinement
phase transition in pure gluodynamics. Recently a simple phenomenological model
has been proposed to describe the available lattice data for the renormalized
Polyakov loop in the deconfinement phase (hep-ph/0505215). These data exhibit
unequivoc... | [
{
"created": "Mon, 10 Oct 2005 14:19:03 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Megias",
"E.",
""
],
[
"Arriola",
"E. Ruiz",
""
],
[
"Salcedo",
"L. L.",
""
]
] | The Polyakov loop is an order parameter to the confinement-deconfinement phase transition in pure gluodynamics. Recently a simple phenomenological model has been proposed to describe the available lattice data for the renormalized Polyakov loop in the deconfinement phase (hep-ph/0505215). These data exhibit unequivocal... |
0903.0363 | Brian Batell | Brian Batell, Maxim Pospelov, Adam Ritz | Probing a Secluded U(1) at B-factories | 14 pages, 3 figures | Phys.Rev.D79:115008,2009 | 10.1103/PhysRevD.79.115008 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A secluded U(1) gauge field, kinetically mixed with Standard Model
hypercharge, provides a `portal' mediating interactions with a hidden sector at
the renormalizable level, as recently exploited in the context of WIMP dark
matter. The secluded U(1) symmetry-breaking scale may naturally be suppressed
relative to the w... | [
{
"created": "Mon, 2 Mar 2009 20:10:01 GMT",
"version": "v1"
}
] | 2009-07-30 | [
[
"Batell",
"Brian",
""
],
[
"Pospelov",
"Maxim",
""
],
[
"Ritz",
"Adam",
""
]
] | A secluded U(1) gauge field, kinetically mixed with Standard Model hypercharge, provides a `portal' mediating interactions with a hidden sector at the renormalizable level, as recently exploited in the context of WIMP dark matter. The secluded U(1) symmetry-breaking scale may naturally be suppressed relative to the wea... |
hep-ph/9609385 | Boris Kopeliovich | Boris Kopeliovich (Heidelberg and Dubna) | Soft Component of Hard Reactions and Nuclear Shadowing (DIS, Drell-Yan
reaction, heavy quark production) | Latex 12 pages including 4 figures. Invited talk at the Workshop
Hirschegg'95: Dynamical Properties of Hadrons in Nuclear Matter. In
proceedings, ed. by H. Feldmeier and W. N\"orenberg, Darmstadt, 1995, p. 102 | null | null | null | hep-ph | null | We consider deep-inelastic lepton scattering, Drell-Yan lepton pair and heavy
quark production in the reference frame of the target. These reactions
traditionally treated as hard have, however, a substantial leading twist soft
contribution. One of the manifestations of such a soft component, nuclear
shadowing, is ove... | [
{
"created": "Tue, 17 Sep 1996 17:33:09 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Kopeliovich",
"Boris",
"",
"Heidelberg and Dubna"
]
] | We consider deep-inelastic lepton scattering, Drell-Yan lepton pair and heavy quark production in the reference frame of the target. These reactions traditionally treated as hard have, however, a substantial leading twist soft contribution. One of the manifestations of such a soft component, nuclear shadowing, is overv... |
1507.05536 | Anna Lamperstorfer | Camilo Garcia-Cely, Alejandro Ibarra, Anna S. Lamperstorfer, Michel
H.G. Tytgat | Gamma-rays from Heavy Minimal Dark Matter | 27 pages, 8 figures. Matches the version accepted for publication by
JCAP | null | 10.1088/1475-7516/2015/10/058 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the annihilation into gamma rays of Minimal Dark Matter
candidates in the fermionic 5-plet and scalar 7-plet representations of
$SU(2)_L$, taking into account both the Sommerfeld effect and the internal
bremsstrahlung. Assuming the Einasto profile, we show that present measurements
of the Galactic Center ... | [
{
"created": "Mon, 20 Jul 2015 15:35:09 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Oct 2015 07:40:08 GMT",
"version": "v2"
}
] | 2015-11-04 | [
[
"Garcia-Cely",
"Camilo",
""
],
[
"Ibarra",
"Alejandro",
""
],
[
"Lamperstorfer",
"Anna S.",
""
],
[
"Tytgat",
"Michel H. G.",
""
]
] | We consider the annihilation into gamma rays of Minimal Dark Matter candidates in the fermionic 5-plet and scalar 7-plet representations of $SU(2)_L$, taking into account both the Sommerfeld effect and the internal bremsstrahlung. Assuming the Einasto profile, we show that present measurements of the Galactic Center by... |
1603.00879 | Julien Baglio | Julien Baglio and C\'edric Weiland | Heavy neutrino impact on the triple Higgs coupling | 6 pages, 2 figures. v3: a minor typo is corrected in Eq. (17),
results are not affected | Phys. Rev. D 94, 013002 (2016) | 10.1103/PhysRevD.94.013002 | IPPP/16/14 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the first calculation of the one-loop corrections to the triple
Higgs coupling in the framework of a simplified 3+1 Dirac neutrino model, that
is three light neutrinos plus one heavy neutrino embedded in the Standard Model
(SM). The triple Higgs coupling is a key parameter of the scalar potential
triggerin... | [
{
"created": "Wed, 2 Mar 2016 21:00:03 GMT",
"version": "v1"
},
{
"created": "Thu, 7 Jul 2016 12:55:00 GMT",
"version": "v2"
},
{
"created": "Mon, 28 Nov 2016 10:34:11 GMT",
"version": "v3"
}
] | 2016-11-29 | [
[
"Baglio",
"Julien",
""
],
[
"Weiland",
"Cédric",
""
]
] | We present the first calculation of the one-loop corrections to the triple Higgs coupling in the framework of a simplified 3+1 Dirac neutrino model, that is three light neutrinos plus one heavy neutrino embedded in the Standard Model (SM). The triple Higgs coupling is a key parameter of the scalar potential triggering ... |
0909.2399 | Davron Matrasulov | D.U. Matrasulov, Kh.T. Butanov, Kh.Yu. Rakhimov and F.C. Khanna | Spectra of heavy-light mesons at finite temperature | 11 pages, 1 figure and 3 tables | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Spectra of heavy-light meson are studied using potential model and
thermofield dynamics prescription. The mass spectra of different heavy-light
mesons are calculated at different temperatures and compared with those at T=0.
It is found that the binding mass of heavy-light meson decreases as temperature
increases.
| [
{
"created": "Sun, 13 Sep 2009 06:57:23 GMT",
"version": "v1"
}
] | 2009-09-15 | [
[
"Matrasulov",
"D. U.",
""
],
[
"Butanov",
"Kh. T.",
""
],
[
"Rakhimov",
"Kh. Yu.",
""
],
[
"Khanna",
"F. C.",
""
]
] | Spectra of heavy-light meson are studied using potential model and thermofield dynamics prescription. The mass spectra of different heavy-light mesons are calculated at different temperatures and compared with those at T=0. It is found that the binding mass of heavy-light meson decreases as temperature increases. |
2205.09184 | Simone Devoto | Simone Devoto | Heavy-quark production at NNLO | Contribution to the 2022 QCD session of the 56th Rencontres des
Moriond | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We present the calculation of QCD radiative corrections to heavy-quark
production at NNLO. The calculation is implemented in an updated version of
\textsc{Matrix}, which allows us to obtain multidifferential predictions for
stable top quarks. We also report on the NNLO calculation for $b{\bar b}$
production and comme... | [
{
"created": "Wed, 18 May 2022 19:18:37 GMT",
"version": "v1"
}
] | 2022-05-20 | [
[
"Devoto",
"Simone",
""
]
] | We present the calculation of QCD radiative corrections to heavy-quark production at NNLO. The calculation is implemented in an updated version of \textsc{Matrix}, which allows us to obtain multidifferential predictions for stable top quarks. We also report on the NNLO calculation for $b{\bar b}$ production and comment... |
hep-ph/0005269 | Renard Fernand Michel | G.J. Gounaris, J. Layssac and F.M. Renard | Off-shell structure of the anomalous Z and gamma self-couplings | 37 pages, 7 figures and Addendum to Phys.Rev.D62,073012(2000) e-mail:
renard@lpm.univ-montp2.fr | Phys.Rev.D62:073012,2000 | 10.1103/PhysRevD.62.073012 | PM/00-16, THES-TP 2000-05 | hep-ph | null | We establish the general off-shell structure of the three neutral gauge boson
self-couplings V1*V2*V3*, with applications to the Z*Z*Z*, Z*Z*gamma*,
gamma*gamma*Z* cases. New coupling forms appear which do not exist when two
gauge bosons are on-shell. We give the contribution arising from a fermionic
triangle loop. I... | [
{
"created": "Fri, 26 May 2000 14:50:42 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Jun 2000 06:12:04 GMT",
"version": "v2"
},
{
"created": "Thu, 22 Jun 2000 06:15:22 GMT",
"version": "v3"
},
{
"created": "Thu, 13 Sep 2001 06:10:30 GMT",
"version": "v4"
},
{
"cr... | 2011-03-23 | [
[
"Gounaris",
"G. J.",
""
],
[
"Layssac",
"J.",
""
],
[
"Renard",
"F. M.",
""
]
] | We establish the general off-shell structure of the three neutral gauge boson self-couplings V1*V2*V3*, with applications to the Z*Z*Z*, Z*Z*gamma*, gamma*gamma*Z* cases. New coupling forms appear which do not exist when two gauge bosons are on-shell. We give the contribution arising from a fermionic triangle loop. It ... |
0810.4381 | Tatsuru Kikuchi | Tatsuru Kikuchi | Enhanced production of TeV right-handed neutrinos through the large
magnetic moment | 4 pages, 3 figures; version to appear in Phys. Lett. B | Phys.Lett.B671:272-274,2009 | 10.1016/j.physletb.2008.12.014 | KEK-TH-1283 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We examine the effects of magnetic moments of right-handed neutrinos, whose
masses are set at around TeV scale, then it is plausible to have a large
enhancement for the production cross section of TeV scale right-handed
neutrinos though the Drell-Yan process, e^+ e^- to gamma, Z* to N_i N_j, which
is within the reach... | [
{
"created": "Fri, 24 Oct 2008 05:28:45 GMT",
"version": "v1"
},
{
"created": "Tue, 28 Oct 2008 08:57:45 GMT",
"version": "v2"
},
{
"created": "Mon, 8 Dec 2008 13:33:14 GMT",
"version": "v3"
}
] | 2014-11-18 | [
[
"Kikuchi",
"Tatsuru",
""
]
] | We examine the effects of magnetic moments of right-handed neutrinos, whose masses are set at around TeV scale, then it is plausible to have a large enhancement for the production cross section of TeV scale right-handed neutrinos though the Drell-Yan process, e^+ e^- to gamma, Z* to N_i N_j, which is within the reach o... |
hep-ph/0105277 | Evgenij Martynov | P.Desgrolard, E.Martynov | Regge models of the proton structure function with and without hard
Pomeron: a comparative analysis | 21 pages, LaTeX2e, 4 eps figures, report number is added, some typos
are corrected | Eur.Phys.J.C22:479-492,2001 | 10.1007/s100520100811 | LYCEN2001-35 | hep-ph hep-ex | null | A comparative phenomenological analysis of Regge models with and without a
hard Pomeron component is performed using a common set of recently updated
data. It is shown that the data at small $x$ do not indicate explicitly the
presence of the hard Pomeron. Moreover, the models with two soft-Pomeron
components (simple ... | [
{
"created": "Sun, 27 May 2001 01:10:54 GMT",
"version": "v1"
},
{
"created": "Tue, 29 May 2001 09:05:32 GMT",
"version": "v2"
}
] | 2011-09-13 | [
[
"Desgrolard",
"P.",
""
],
[
"Martynov",
"E.",
""
]
] | A comparative phenomenological analysis of Regge models with and without a hard Pomeron component is performed using a common set of recently updated data. It is shown that the data at small $x$ do not indicate explicitly the presence of the hard Pomeron. Moreover, the models with two soft-Pomeron components (simple an... |
hep-ph/0702045 | Adrian Palcu | Adrian Palcu | The exact eigenstates of the neutrino mass matrix without CP-phase
violation | 9 pages, no figures | Mod.Phys.Lett. A22 (2007) 1459-1468 | 10.1142/S0217732307023742 | null | hep-ph | null | In this paper we obtain the exact mass-eigenstates of the Majorana physical
neutrinos. We start by taking into account a general $3\times3$ mass matrix
without any CP-phase violation. It is then diagonalized by exactly solving an
appropriate set of equations. The solution supplies straightforwardly the mass
eigenvalu... | [
{
"created": "Sat, 3 Feb 2007 14:13:28 GMT",
"version": "v1"
}
] | 2009-02-24 | [
[
"Palcu",
"Adrian",
""
]
] | In this paper we obtain the exact mass-eigenstates of the Majorana physical neutrinos. We start by taking into account a general $3\times3$ mass matrix without any CP-phase violation. It is then diagonalized by exactly solving an appropriate set of equations. The solution supplies straightforwardly the mass eigenvalues... |
hep-ph/0112143 | Christopher D. Carone | Carl E. Carlson and Christopher D. Carone (William and Mary) | Discerning Noncommutative Extra Dimensions | 20 pages LaTeX, 8 eps figures (minor revisions, version to appear in
Phys. Rev. D) | Phys.Rev. D65 (2002) 075007 | 10.1103/PhysRevD.65.075007 | WM-01-114 | hep-ph hep-th | null | Experimental limits on the violation of four-dimensional Lorentz invariance
imply that noncommutativity among ordinary spacetime dimensions must be small.
Noncommutativity among extra, compactified spatial dimensions, however, is far
less constrained and may have discernable collider signatures. Here we study
the exp... | [
{
"created": "Tue, 11 Dec 2001 01:35:19 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Jan 2002 18:25:19 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Carlson",
"Carl E.",
"",
"William and Mary"
],
[
"Carone",
"Christopher D.",
"",
"William and Mary"
]
] | Experimental limits on the violation of four-dimensional Lorentz invariance imply that noncommutativity among ordinary spacetime dimensions must be small. Noncommutativity among extra, compactified spatial dimensions, however, is far less constrained and may have discernable collider signatures. Here we study the exper... |
hep-ph/9410211 | Ariel Megevand | Luis Masperi, Ariel Megevand | Stability of Modified Electroweak Strings | Minor changes and inclusion of one figure. To be published on Z. f.
Physik C. 11 pages, 1 postcript figure | Z.Phys. C72 (1996) 171-174 | 10.1007/s002880050234 | null | hep-ph astro-ph | null | We discuss the stability of an electroweak string with axions in its core,
which give to the configuration a quasi-topological property, and compare it
with other modifications using instantons in the thin wall approximation.
| [
{
"created": "Tue, 4 Oct 1994 09:27:55 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Mar 1995 18:42:54 GMT",
"version": "v2"
},
{
"created": "Fri, 8 Mar 1996 14:21:13 GMT",
"version": "v3"
}
] | 2015-06-25 | [
[
"Masperi",
"Luis",
""
],
[
"Megevand",
"Ariel",
""
]
] | We discuss the stability of an electroweak string with axions in its core, which give to the configuration a quasi-topological property, and compare it with other modifications using instantons in the thin wall approximation. |
1211.7106 | Thomas G. Rizzo | M. W. Cahill-Rowley, J. L. Hewett, A. Ismail, T. G. Rizzo | SUSY Without Prejudice at the 7 and 8 TeV LHC: Gravitino LSPs | 6 pages, 2 figures; contibution to ICHEP 2012 | null | null | SLAC-PUB-15272 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We have examined the capability of the LHC, running at both 7 and 8 TeV, to
explore the 19(20)-dimensional parameter space of the pMSSM with
neutralino(gravitino) LSPs and soft masses up to 4 TeV employing the ATLAS SUSY
analysis suite. Here we present some preliminary results for the gravitino
model set, following t... | [
{
"created": "Thu, 29 Nov 2012 22:12:50 GMT",
"version": "v1"
}
] | 2012-12-03 | [
[
"Cahill-Rowley",
"M. W.",
""
],
[
"Hewett",
"J. L.",
""
],
[
"Ismail",
"A.",
""
],
[
"Rizzo",
"T. G.",
""
]
] | We have examined the capability of the LHC, running at both 7 and 8 TeV, to explore the 19(20)-dimensional parameter space of the pMSSM with neutralino(gravitino) LSPs and soft masses up to 4 TeV employing the ATLAS SUSY analysis suite. Here we present some preliminary results for the gravitino model set, following the... |
1802.10449 | Everton Murilo Carvalho Abreu | Mario J. Neves, Lucas Labre, Everton M. C. Abreu | Classical electrodynamics and gauge symmetry of the X-boson | 9 pages. Two-column format | null | 10.1142/S0217751X18501488 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we have obtained several new results concerning the X-boson,
which is being considered recently as one of the main candidate of the dark
matter particle content. The classical electrodynamics for the X-boson model
was explored to understand its propagation in space-time. The field equations
(Maxwell-typ... | [
{
"created": "Sun, 25 Feb 2018 19:39:22 GMT",
"version": "v1"
}
] | 2018-09-26 | [
[
"Neves",
"Mario J.",
""
],
[
"Labre",
"Lucas",
""
],
[
"Abreu",
"Everton M. C.",
""
]
] | In this paper we have obtained several new results concerning the X-boson, which is being considered recently as one of the main candidate of the dark matter particle content. The classical electrodynamics for the X-boson model was explored to understand its propagation in space-time. The field equations (Maxwell-type)... |
2208.02669 | Robin Sch\"urmann | X. Chen, T. Gehrmann, E.W.N. Glover, M. H\"ofer, A. Huss, R.
Sch\"urmann | NNLO Photon Production with Realistic Photon Isolation | 11 pages, 2 figures, one table, contribution to the proceedings of
"Loops and Legs in Quantum Field Theory - LL2022, 25-30 April, 2022, Ettal,
Germany" | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Isolated photon production at hadron colliders proceeds via direct production
and fragmentation processes. Theory predictions for the isolated photon and
photon-plus-jet cross section often impose idealised photon isolation criteria,
eliminating the fragmentation contribution and introducing a systematic
uncertainty ... | [
{
"created": "Thu, 4 Aug 2022 13:57:02 GMT",
"version": "v1"
}
] | 2022-08-05 | [
[
"Chen",
"X.",
""
],
[
"Gehrmann",
"T.",
""
],
[
"Glover",
"E. W. N.",
""
],
[
"Höfer",
"M.",
""
],
[
"Huss",
"A.",
""
],
[
"Schürmann",
"R.",
""
]
] | Isolated photon production at hadron colliders proceeds via direct production and fragmentation processes. Theory predictions for the isolated photon and photon-plus-jet cross section often impose idealised photon isolation criteria, eliminating the fragmentation contribution and introducing a systematic uncertainty in... |
0812.2795 | Juan Nieves Dr. | Jonathan M Flynn (Southampton, U), Yoshiyuki Nakagawa (Osaka, U.),
Juan Nieves (IFIC, CSIC-UV) and Hiroshi Toki (Osaka, U.) | |Vub| from Exclusive Semileptonic B--> rho Decays | 9 pages and 1 figure | Phys.Lett.B675:326-331,2009 | 10.1016/j.physletb.2009.04.037 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We use Omnes representations of the form factors V, A_1 and A_2 for exclusive
semileptonic B--> rho decays, and apply them to combine experimental partial
branching fraction information with theoretical calculations of the three form
factors to extract |Vub|. We find a slightly lower result, |Vub|=(2.8 +- 0.2)x
10^{-... | [
{
"created": "Mon, 15 Dec 2008 13:34:19 GMT",
"version": "v1"
}
] | 2010-11-19 | [
[
"Flynn",
"Jonathan M",
"",
"Southampton, U"
],
[
"Nakagawa",
"Yoshiyuki",
"",
"Osaka, U."
],
[
"Nieves",
"Juan",
"",
"IFIC, CSIC-UV"
],
[
"Toki",
"Hiroshi",
"",
"Osaka, U."
]
] | We use Omnes representations of the form factors V, A_1 and A_2 for exclusive semileptonic B--> rho decays, and apply them to combine experimental partial branching fraction information with theoretical calculations of the three form factors to extract |Vub|. We find a slightly lower result, |Vub|=(2.8 +- 0.2)x 10^{-3}... |
hep-ph/0205076 | Naveen Gaur | S. Rai Choudhury and Naveen Gaur (Dept. of Physics & Astrophysics,
University of Delhi, Delhi, India) | Supersymmetric effects in B_s \to \ell^+ \ell^- \gamma decays | REVTex (4.0) file 14 pages including 16 eps figures | null | null | null | hep-ph | null | B-meson decays are very useful probes for testing the Standard Model and its
various extensions. Leptonic decays of B have very clean signatures in this
respect and hence can be very useful testing grounds. In this work we study the
effects of MSSM (Minimal Supersymmetric Extension of Standard Model) on various
kinem... | [
{
"created": "Wed, 8 May 2002 11:30:52 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Choudhury",
"S. Rai",
"",
"Dept. of Physics & Astrophysics,\n University of Delhi, Delhi, India"
],
[
"Gaur",
"Naveen",
"",
"Dept. of Physics & Astrophysics,\n University of Delhi, Delhi, India"
]
] | B-meson decays are very useful probes for testing the Standard Model and its various extensions. Leptonic decays of B have very clean signatures in this respect and hence can be very useful testing grounds. In this work we study the effects of MSSM (Minimal Supersymmetric Extension of Standard Model) on various kinemat... |
2012.05012 | Francesco Tramontano | Renato Maria Prisco, Francesco Tramontano | Dual Subtractions | LaTeX, 53 pages, 9 figures, version accepted for publication | null | null | null | hep-ph hep-ex hep-th | http://creativecommons.org/licenses/by/4.0/ | We propose a novel local subtraction scheme for the computation of
Next-to-Leading Order contributions to theoretical predictions for scattering
processes in perturbative Quantum Field Theory. With respect to well known
schemes proposed since many years that build upon the analysis of the real
radiation matrix elemen... | [
{
"created": "Wed, 9 Dec 2020 12:47:49 GMT",
"version": "v1"
},
{
"created": "Wed, 30 Jun 2021 05:46:43 GMT",
"version": "v2"
}
] | 2021-07-01 | [
[
"Prisco",
"Renato Maria",
""
],
[
"Tramontano",
"Francesco",
""
]
] | We propose a novel local subtraction scheme for the computation of Next-to-Leading Order contributions to theoretical predictions for scattering processes in perturbative Quantum Field Theory. With respect to well known schemes proposed since many years that build upon the analysis of the real radiation matrix elements... |
0910.4291 | Guohuai Zhu | C.S. Kim, Seong Chan Park, Kai Wang and Guohuai Zhu | Invisible Higgs decay with B\to K\nu\bar{\nu} constraint | 16 pages, 4 figures, the version to appear in Phys. Rev. D | Phys.Rev.D81:054004,2010 | 10.1103/PhysRevD.81.054004 | IPMU-09-0103,ZIMP-09-04 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | If the Higgs boson were the only particle within the LHC accessible range,
precision measurement of the Higgs's properties would play a unique role in
studying electroweak symmetry breaking as well as possible new physics. We try
to use low energy experiments such as rare B decay to constrain a challenging
decay mode... | [
{
"created": "Thu, 22 Oct 2009 11:06:47 GMT",
"version": "v1"
},
{
"created": "Mon, 2 Nov 2009 11:20:20 GMT",
"version": "v2"
},
{
"created": "Mon, 8 Mar 2010 16:12:53 GMT",
"version": "v3"
}
] | 2014-11-20 | [
[
"Kim",
"C. S.",
""
],
[
"Park",
"Seong Chan",
""
],
[
"Wang",
"Kai",
""
],
[
"Zhu",
"Guohuai",
""
]
] | If the Higgs boson were the only particle within the LHC accessible range, precision measurement of the Higgs's properties would play a unique role in studying electroweak symmetry breaking as well as possible new physics. We try to use low energy experiments such as rare B decay to constrain a challenging decay mode o... |
1301.0328 | Ze'ev Surujon | Yuval Grossman, Ze'ev Surujon, Jure Zupan | How to test for mass degenerate Higgs resonances | 13 pages. v2: improved referencing and discussion on universal
phases, matches published JHEP version | JHEP 1303, 176 (2013) | 10.1007/JHEP03(2013)176 | YITP-SB-13-01 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Higgs-like signal observed at the LHC could be due to several mass
degenerate resonances. We show that the number of resonances is related to the
rank of a "production and decay" matrix, $R_{if}$. Each entry in this matrix
contains the observed rate in a particular production mode $i$ and final state
$f$. In the ... | [
{
"created": "Wed, 2 Jan 2013 21:01:09 GMT",
"version": "v1"
},
{
"created": "Thu, 25 Apr 2013 15:28:39 GMT",
"version": "v2"
}
] | 2013-04-26 | [
[
"Grossman",
"Yuval",
""
],
[
"Surujon",
"Ze'ev",
""
],
[
"Zupan",
"Jure",
""
]
] | The Higgs-like signal observed at the LHC could be due to several mass degenerate resonances. We show that the number of resonances is related to the rank of a "production and decay" matrix, $R_{if}$. Each entry in this matrix contains the observed rate in a particular production mode $i$ and final state $f$. In the ca... |
hep-ph/0210207 | Borut Bajc | Borut Bajc, Goran Senjanovic, and Francesco Vissani | b-tau unification and large atmospheric mixing: a case for non-canonical
see-saw | 4 pages, a new reference added, to be published in PRL | Phys.Rev.Lett. 90 (2003) 051802 | 10.1103/PhysRevLett.90.051802 | null | hep-ph | null | We study the second and third generation masses in the context of the minimal
renormalizable SO(10) theory. We show that if the see-saw takes the
non-canonical (type II) form, large atmospheric neutrino mixing angle requires
b-tau unification.
| [
{
"created": "Tue, 15 Oct 2002 08:53:45 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Dec 2002 17:00:29 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Bajc",
"Borut",
""
],
[
"Senjanovic",
"Goran",
""
],
[
"Vissani",
"Francesco",
""
]
] | We study the second and third generation masses in the context of the minimal renormalizable SO(10) theory. We show that if the see-saw takes the non-canonical (type II) form, large atmospheric neutrino mixing angle requires b-tau unification. |
1403.6448 | Pran Nath | Amin Aboubrahim, Tarek Ibrahim and Pran Nath | Probe of New Physics using Precision Measurement of the Electron
Magnetic Moment | 28 pages, 8 figures. Accepted for publication in Physical Review D.
arXiv admin note: text overlap with arXiv:1312.2505 | null | 10.1103/PhysRevD.89.093016 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The anomalous magnetic moment of the electron is determined experimentally
with an accuracy of $2.8\times 10^{-13}$ and the uncertainty may decrease by an
order of magnitude in the future. While the current data is in excellent
agreement with the standard model, the possible future improvement in the error
in $\Delta... | [
{
"created": "Tue, 25 Mar 2014 18:39:39 GMT",
"version": "v1"
},
{
"created": "Tue, 6 May 2014 17:15:36 GMT",
"version": "v2"
}
] | 2015-06-19 | [
[
"Aboubrahim",
"Amin",
""
],
[
"Ibrahim",
"Tarek",
""
],
[
"Nath",
"Pran",
""
]
] | The anomalous magnetic moment of the electron is determined experimentally with an accuracy of $2.8\times 10^{-13}$ and the uncertainty may decrease by an order of magnitude in the future. While the current data is in excellent agreement with the standard model, the possible future improvement in the error in $\Delta a... |
hep-ph/9808260 | Jeannerot | R. Jeannerot (University of Sussex) | Can thermal inflation solve the monopole problem ? | 17 pages, uses revtex | Phys.Rev. D59 (1999) 083501 | 10.1103/PhysRevD.59.083501 | SUSX-TH-98-020 | hep-ph | null | It is shown that thermal inflation arises naturally in rank greater than five
unified theories when non-renormalisable terms are introduced. Thermal
inflation is driven by two Higgs fields \Phi_{B-L} and \bar{\Phi}_{B-L} which
also break U(1)_{B-L} when acquiring vevs at the end of inflation. The
inflationary period ... | [
{
"created": "Fri, 7 Aug 1998 12:55:34 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Jeannerot",
"R.",
"",
"University of Sussex"
]
] | It is shown that thermal inflation arises naturally in rank greater than five unified theories when non-renormalisable terms are introduced. Thermal inflation is driven by two Higgs fields \Phi_{B-L} and \bar{\Phi}_{B-L} which also break U(1)_{B-L} when acquiring vevs at the end of inflation. The inflationary period pr... |
hep-ph/9411257 | Cliff Burgess | C.P. Burgess | The Effective Use of Precision Electroweak Measurements | 29 pages, latex, 3 figures available on request | Pramana 45 (1995) S47-S71 | 10.1007/BF02907965 | NEIP-94-012, McGill-94/50 | hep-ph | null | Several reasonably model-independent formulations of the implications of new
physics for precision electroweak measurements have been developed over the
past years, most notably by Peskin and Takeuchi, and by Altarelli \etal. These
formulations work by identifying a small, but useful, set of parameters through
which ... | [
{
"created": "Wed, 9 Nov 1994 22:48:32 GMT",
"version": "v1"
},
{
"created": "Wed, 9 Nov 1994 23:06:08 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Burgess",
"C. P.",
""
]
] | Several reasonably model-independent formulations of the implications of new physics for precision electroweak measurements have been developed over the past years, most notably by Peskin and Takeuchi, and by Altarelli \etal. These formulations work by identifying a small, but useful, set of parameters through which ne... |
1909.10459 | D. J. Miller | John McDowall, David J Miller | The Multiple Point Principle and Extended Higgs Sectors | Review, 22 pages, 9 figures. Version accepted for publication | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Higgs boson quartic self-coupling in the Standard Model appears to become
zero just below the Planck scale, with interesting implications to the
stability fo the Higgs vacuum at high energies. We review the Multiple Point
Principle that suggests the quartic self-coupling should vanish exactly at the
Planck scale.... | [
{
"created": "Mon, 23 Sep 2019 16:27:03 GMT",
"version": "v1"
}
] | 2019-09-24 | [
[
"McDowall",
"John",
""
],
[
"Miller",
"David J",
""
]
] | The Higgs boson quartic self-coupling in the Standard Model appears to become zero just below the Planck scale, with interesting implications to the stability fo the Higgs vacuum at high energies. We review the Multiple Point Principle that suggests the quartic self-coupling should vanish exactly at the Planck scale. A... |
hep-ph/9811319 | Guey-Lin Lin | Guey-Lin Lin and Tzuu-Kang Chyi | Vilkovisky-DeWitt Effective Potential and the Higgs-Mass Bound | ltwol2e.tex, 6 pages; talk presented by G.-L. Lin at ICHEP98, 23-29
July 1998, Vancouver, Canada | null | null | NCTU-HEP-9805 | hep-ph | null | We compute the Vilkovisky-DeWitt effective potential of a simplified version
of the Standard Electroweak Model, where all charged boson fields as well as
the bottom-quark field are neglected. The effective potential obtained in this
formalism is gauge-independent. We derive from the effective potential the mass
bound... | [
{
"created": "Fri, 13 Nov 1998 08:00:16 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Lin",
"Guey-Lin",
""
],
[
"Chyi",
"Tzuu-Kang",
""
]
] | We compute the Vilkovisky-DeWitt effective potential of a simplified version of the Standard Electroweak Model, where all charged boson fields as well as the bottom-quark field are neglected. The effective potential obtained in this formalism is gauge-independent. We derive from the effective potential the mass bound o... |
1312.5407 | Bin Zhu | Ran Ding, Tianjun Li, Florian Staub and Bin Zhu | Focus Point Supersymmetry in Extended Gauge Mediation | 23 pages, 7 figures, references added | JHEP 1403 (2014) 130 | 10.1007/JHEP03(2014)130 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a small extenion of the minimal gauge mediation through the
combination of extended gauge mediation and conformal sequestering. We show
that the focus point supersymmetry can be realized naturally, and the
fine-tuning is signifcantly reduced compared to the minimal gauge mediation and
extended gauge mediat... | [
{
"created": "Thu, 19 Dec 2013 05:06:38 GMT",
"version": "v1"
},
{
"created": "Sat, 11 Jan 2014 01:53:48 GMT",
"version": "v2"
}
] | 2016-11-25 | [
[
"Ding",
"Ran",
""
],
[
"Li",
"Tianjun",
""
],
[
"Staub",
"Florian",
""
],
[
"Zhu",
"Bin",
""
]
] | We propose a small extenion of the minimal gauge mediation through the combination of extended gauge mediation and conformal sequestering. We show that the focus point supersymmetry can be realized naturally, and the fine-tuning is signifcantly reduced compared to the minimal gauge mediation and extended gauge mediatio... |
2307.15552 | Andrea Dubla Dr | Andrea Dubla | Heavy flavors and quarkonia: highlights, open questions, and
perspectives | 10 pages, 6 figures, Contribution to the proceedings of the 11th
International Conference on Hard and Electromagnetic Probes of High Energy
Nuclear Collisions (Hard Probes 2023) | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | An overview of the phenomenology and experimental results on open
heavy-flavour and quarkonium production in heavy-ion collisions at the RHIC and
at the LHC energies is presented, with special emphasis on observables that
carry information from the different collision stages. Perspective for future
measurements and p... | [
{
"created": "Fri, 28 Jul 2023 13:41:12 GMT",
"version": "v1"
}
] | 2023-07-31 | [
[
"Dubla",
"Andrea",
""
]
] | An overview of the phenomenology and experimental results on open heavy-flavour and quarkonium production in heavy-ion collisions at the RHIC and at the LHC energies is presented, with special emphasis on observables that carry information from the different collision stages. Perspective for future measurements and phe... |
1502.05411 | Kai Yan | Ilya Feige, Matthew D. Schwartz, Kai Yan | Removing phase-space restrictions in factorized cross sections | 32 pages, 1 figure | Phys. Rev. D 91, 094027 (2015) | 10.1103/PhysRevD.91.094027 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Factorization in gauge theories holds at the amplitude or amplitude-squared
level for states of given soft or collinear momenta. When performing
phase-space integrals over such states, one would generally like to avoid
putting in explicit cuts to separate soft from collinear momenta. Removing
these cuts induces an ov... | [
{
"created": "Wed, 18 Feb 2015 21:00:17 GMT",
"version": "v1"
}
] | 2015-06-03 | [
[
"Feige",
"Ilya",
""
],
[
"Schwartz",
"Matthew D.",
""
],
[
"Yan",
"Kai",
""
]
] | Factorization in gauge theories holds at the amplitude or amplitude-squared level for states of given soft or collinear momenta. When performing phase-space integrals over such states, one would generally like to avoid putting in explicit cuts to separate soft from collinear momenta. Removing these cuts induces an over... |
1206.2306 | Asmaa Abada | A. Abada, A. J. R. Figueiredo, J. C. Romao and A. M. Teixeira | Lepton flavour violation: physics potential of a Linear Collider | 30 pages, 48 figures | JHEP 1208 (2012) 138 | 10.1007/JHEP08(2012)138 | LPT-ORSAY-12-17, CFTP-12-006, PCCF-RI-12-04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We revisit the potential of a Linear Collider concerning the study of lepton
flavour violation, in view of new LHC bounds and of the (very) recent
developments in lepton physics. Working in the framework of a type I
supersymmetric seesaw, we evaluate the prospects of observing seesaw-induced
lepton flavour violating ... | [
{
"created": "Mon, 11 Jun 2012 18:26:11 GMT",
"version": "v1"
}
] | 2015-03-03 | [
[
"Abada",
"A.",
""
],
[
"Figueiredo",
"A. J. R.",
""
],
[
"Romao",
"J. C.",
""
],
[
"Teixeira",
"A. M.",
""
]
] | We revisit the potential of a Linear Collider concerning the study of lepton flavour violation, in view of new LHC bounds and of the (very) recent developments in lepton physics. Working in the framework of a type I supersymmetric seesaw, we evaluate the prospects of observing seesaw-induced lepton flavour violating fi... |
1410.0476 | Xiao-Gang He | Xiao-Gang He, Guan-Nan Li, Dong Xu | SU(3) and Isospin Breaking Effects on B to PPP Amplitudes | RevTex 15 pages, no figure. arXiv, momentum dependent isospin
breaking effects added. Version appeared in PRD. arXiv admin note: text
overlap with arXiv:1307.7186 | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Several modes of $B$ decays into three pseudoscalar octet mesons PPP have
been measured. These decays have provided useful information for B decays in
the standard model (SM). Some of powerful tools in analyzing B decays are
flavor $SU(3)$ and isospin symmetries. Such analyses are usually hampered by
$SU(3)$ breaking... | [
{
"created": "Thu, 2 Oct 2014 08:21:32 GMT",
"version": "v1"
},
{
"created": "Thu, 5 Mar 2015 02:06:04 GMT",
"version": "v2"
}
] | 2015-03-06 | [
[
"He",
"Xiao-Gang",
""
],
[
"Li",
"Guan-Nan",
""
],
[
"Xu",
"Dong",
""
]
] | Several modes of $B$ decays into three pseudoscalar octet mesons PPP have been measured. These decays have provided useful information for B decays in the standard model (SM). Some of powerful tools in analyzing B decays are flavor $SU(3)$ and isospin symmetries. Such analyses are usually hampered by $SU(3)$ breaking e... |
hep-ph/9906521 | Jorge Crispim Romao | J. C. Romao | Yukawa Unification on the Bilinear R-Parity model | 8 pages, 4 Figures in Postscript. Talk given at European Network
Meeting on Physics Beyond the Standard Model, Trieste, Italy, 24-27 Feb 1999.
To appear in the JHEP | null | null | FISIST/9-99/CFIF | hep-ph | null | We discuss gauge and Yukawa unification in the context of a supersymmetric
model with bilinear R-parity violation. We show that this model allows $b-\tau$
Yukawa unification for any value of $\tan\beta$ while satisfying perturbativity
of the couplings. We also find the $t-b-\tau$ Yukawa unification easier to
achieve ... | [
{
"created": "Mon, 28 Jun 1999 11:37:41 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Romao",
"J. C.",
""
]
] | We discuss gauge and Yukawa unification in the context of a supersymmetric model with bilinear R-parity violation. We show that this model allows $b-\tau$ Yukawa unification for any value of $\tan\beta$ while satisfying perturbativity of the couplings. We also find the $t-b-\tau$ Yukawa unification easier to achieve th... |
1812.05200 | Gilberto Tetlalmatzi-Xolocotzi | Giovanni Banelli, Robert Fleischer, Ruben Jaarsma and Gilberto
Tetlalmatzi-Xolocotzi | Probing Lepton Universality with (Semi)-Leptonic B decays | 12 pages, 6 figures. To appear in Proceedings for the 15th
International Workshop on Tau Lepton Physics | null | null | Nikhef-2018-064 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The most recent measurements of the observables $R_{D^{(*)}}$ are in tension
with the Standard Model offering hints of New Physics in $b\rightarrow c \ell
\bar{\nu}_{\ell}$ transitions. Motivated by these results, in this work we
present an analysis on their $b\rightarrow u \ell \bar{\nu}_{\ell}$
counterparts (for $\... | [
{
"created": "Wed, 12 Dec 2018 23:54:39 GMT",
"version": "v1"
}
] | 2018-12-14 | [
[
"Banelli",
"Giovanni",
""
],
[
"Fleischer",
"Robert",
""
],
[
"Jaarsma",
"Ruben",
""
],
[
"Tetlalmatzi-Xolocotzi",
"Gilberto",
""
]
] | The most recent measurements of the observables $R_{D^{(*)}}$ are in tension with the Standard Model offering hints of New Physics in $b\rightarrow c \ell \bar{\nu}_{\ell}$ transitions. Motivated by these results, in this work we present an analysis on their $b\rightarrow u \ell \bar{\nu}_{\ell}$ counterparts (for $\el... |
hep-ph/9908399 | Gino Isidori | Gino Isidori | Standard Model vs New Physics in Rare Kaon Decays | 12 pages, talk presented at KAON 99 (Chicago, IL, 21-26 Jun 1999) | null | null | LNF-99/022(P) | hep-ph | null | We present a brief overview of rare K decays, emphasizing the different role
of Standard Model and possible New Physics contributions in various channels.
| [
{
"created": "Wed, 18 Aug 1999 14:51:08 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Isidori",
"Gino",
""
]
] | We present a brief overview of rare K decays, emphasizing the different role of Standard Model and possible New Physics contributions in various channels. |
1406.4925 | Yueling Yang | Junfeng Sun, Yueling Yang, Qin Chang and Gongru Lu | Phenomenological study of the $B_{c}$ ${\to}$ $BP$, $BV$ decays with
perturbative QCD approach | 32 pages, 7 figures, revtex4 | Phys. Rev. D 89, 114019 (2014) | 10.1103/PhysRevD.89.114019 | null | hep-ph | http://creativecommons.org/licenses/by/3.0/ | Inspired by the recent LHCb measurements and forthcoming great potential on
$B_{c}$ meson, we study the exclusive $B_{c}$ ${\to}$ $B_{q}P$, $B_{q}V$ decays
with the perturbative QCD approach, where $q$ $=$ $u$, $d$, $s$; $P$ and $V$
denote the lightest pseudoscalar and vector $SU(3)$ nonet meson, respectively.
By ret... | [
{
"created": "Thu, 19 Jun 2014 00:57:33 GMT",
"version": "v1"
}
] | 2015-06-22 | [
[
"Sun",
"Junfeng",
""
],
[
"Yang",
"Yueling",
""
],
[
"Chang",
"Qin",
""
],
[
"Lu",
"Gongru",
""
]
] | Inspired by the recent LHCb measurements and forthcoming great potential on $B_{c}$ meson, we study the exclusive $B_{c}$ ${\to}$ $B_{q}P$, $B_{q}V$ decays with the perturbative QCD approach, where $q$ $=$ $u$, $d$, $s$; $P$ and $V$ denote the lightest pseudoscalar and vector $SU(3)$ nonet meson, respectively. By retai... |
hep-ph/0211349 | Slava Yukalov | V. I. Yukalov and E. P. Yukalova | Self-Similar Structures and Fractal Transforms in Approximation Theory | 32 pages, Latex | Chaos Solitons Fractals 14:839-861,2002 | 10.1016/S0960-0779(02)00029-2 | null | hep-ph cond-mat | null | An overview is given of the methods for treating complicated problems without
small parameters, when the standard perturbation theory based on the existence
of small parameters becomes useless. Such complicated problems are typical of
quantum physics, many-body physics, physics of complex systems, and various
aspects... | [
{
"created": "Fri, 22 Nov 2002 09:49:19 GMT",
"version": "v1"
}
] | 2011-07-19 | [
[
"Yukalov",
"V. I.",
""
],
[
"Yukalova",
"E. P.",
""
]
] | An overview is given of the methods for treating complicated problems without small parameters, when the standard perturbation theory based on the existence of small parameters becomes useless. Such complicated problems are typical of quantum physics, many-body physics, physics of complex systems, and various aspects o... |
1003.5445 | Anurag Tripathi | Neelima Agarwal, V. Ravindran, Vivek Kumar Tiwari, Anurag Tripathi | Next-to-leading order QCD corrections to $W^+W^-$ production at the LHC
in Randall Sundrum model | 16 pages, 5 figures | Phys.Lett.B690:390-395,2010 | 10.1016/j.physletb.2010.05.063 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present next-to-leading order QCD corrections to production of two $W$
bosons at the LHC in the Randall-Sundrum model. Various kinematical
distributions are obtained to order $\alpha_s$ in QCD by taking into account
all the parton level subprocesses. We estimate the impact of the QCD
corrections on various observa... | [
{
"created": "Mon, 29 Mar 2010 07:42:01 GMT",
"version": "v1"
}
] | 2014-11-20 | [
[
"Agarwal",
"Neelima",
""
],
[
"Ravindran",
"V.",
""
],
[
"Tiwari",
"Vivek Kumar",
""
],
[
"Tripathi",
"Anurag",
""
]
] | We present next-to-leading order QCD corrections to production of two $W$ bosons at the LHC in the Randall-Sundrum model. Various kinematical distributions are obtained to order $\alpha_s$ in QCD by taking into account all the parton level subprocesses. We estimate the impact of the QCD corrections on various observabl... |
hep-ph/9812321 | P. G. Tinyakov | Yu. A. Kubyshin, P. G. Tinyakov | Propagator in the Instanton Background and Instanton-Induced Processes
in Scalar Model | 16 pages, LaTeX, no figures. One reference and some typos corrected | null | null | talk given at Int. Seminar Quarks-98, Suzdal, Russia, May 18-24,
1998 (to appear in Proceedings) | hep-ph | null | The cross section of the multiparticle scattering processes in the
non-perturbative sector of the scalar -lambda * phi^4 model is studied within
the semiclassical approximation. For this purpose the exact formula for the
residue of the propagator in the instanton background is derived. The exponent
of the cross secti... | [
{
"created": "Thu, 10 Dec 1998 16:13:32 GMT",
"version": "v1"
},
{
"created": "Thu, 17 Dec 1998 17:18:44 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Kubyshin",
"Yu. A.",
""
],
[
"Tinyakov",
"P. G.",
""
]
] | The cross section of the multiparticle scattering processes in the non-perturbative sector of the scalar -lambda * phi^4 model is studied within the semiclassical approximation. For this purpose the exact formula for the residue of the propagator in the instanton background is derived. The exponent of the cross section... |
1811.08088 | Tanmoy Modak | Tanmoy Modak, Eibun Senaha | Electroweak baryogenesis via bottom transport | matches with published version | Phys. Rev. D 99, 115022 (2019) | 10.1103/PhysRevD.99.115022 | CTPU-PTC-18-37 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider a scenario in which an extra bottom Yukawa coupling can drive
electroweak baryogenesis in the general two-Higgs doublet model. It is found
that the new bottom Yukawa coupling with $\mathcal{O}(0.1)$ in magnitude can
generate the sufficient baryon asymmetry without conflicting existing data. We
point out t... | [
{
"created": "Tue, 20 Nov 2018 06:44:09 GMT",
"version": "v1"
},
{
"created": "Mon, 3 Dec 2018 07:14:34 GMT",
"version": "v2"
},
{
"created": "Wed, 19 Jun 2019 11:17:34 GMT",
"version": "v3"
}
] | 2019-06-20 | [
[
"Modak",
"Tanmoy",
""
],
[
"Senaha",
"Eibun",
""
]
] | We consider a scenario in which an extra bottom Yukawa coupling can drive electroweak baryogenesis in the general two-Higgs doublet model. It is found that the new bottom Yukawa coupling with $\mathcal{O}(0.1)$ in magnitude can generate the sufficient baryon asymmetry without conflicting existing data. We point out tha... |
hep-ph/9410323 | Philip Page | Philip R. Page | Gluonic Excitations in Heavy Mesons and their Decay by Flux-Tube
Breaking | 3 pages, LaTeX, to appear in the Proceedings of 'Quark Confinement
and the Hadron Spectrum', June 20-23, 1994, Como, Italy, 0 figures, 19 kb | null | null | null | hep-ph | null | We have examined decays of low-lying gluonic excitations of mesons (hybrids)
by chromoelectric flux-tube breaking. An analytical calculation of
non-relativistic flux-tube model decay amplitudes is performed in an harmonic
oscillator approximation. Specific decay signatures of all $J^{PC}$ charmonium
hybrids are ident... | [
{
"created": "Wed, 19 Oct 1994 18:37:03 GMT",
"version": "v1"
},
{
"created": "Thu, 20 Oct 1994 07:11:54 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Page",
"Philip R.",
""
]
] | We have examined decays of low-lying gluonic excitations of mesons (hybrids) by chromoelectric flux-tube breaking. An analytical calculation of non-relativistic flux-tube model decay amplitudes is performed in an harmonic oscillator approximation. Specific decay signatures of all $J^{PC}$ charmonium hybrids are identif... |
2304.05427 | Juuso \"Osterman | Juuso \"Osterman, Philipp Schicho and Aleksi Vuorinen | Integrating by parts at finite density | 48 pages, 1 figure, structural revisions and clarifications added,
matches published version (v3) | J. High Energ. Phys. 2023, 212 (2023) | 10.1007/JHEP08(2023)212 | HIP-2023-7/TH | hep-ph hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Both nonzero temperature and chemical potentials break the Lorentz symmetry
present in vacuum quantum field theory by singling out the rest frame of the
heat bath. This leads to complications in the application of thermal
perturbation theory, including the appearance of novel infrared divergences in
loop integrals an... | [
{
"created": "Tue, 11 Apr 2023 18:01:11 GMT",
"version": "v1"
},
{
"created": "Tue, 18 Apr 2023 10:24:24 GMT",
"version": "v2"
},
{
"created": "Fri, 8 Sep 2023 09:08:06 GMT",
"version": "v3"
}
] | 2023-09-11 | [
[
"Österman",
"Juuso",
""
],
[
"Schicho",
"Philipp",
""
],
[
"Vuorinen",
"Aleksi",
""
]
] | Both nonzero temperature and chemical potentials break the Lorentz symmetry present in vacuum quantum field theory by singling out the rest frame of the heat bath. This leads to complications in the application of thermal perturbation theory, including the appearance of novel infrared divergences in loop integrals and ... |
1111.5936 | Umberto De Sanctis | F.Bazzocchi, U. De Sanctis, M. Fabbrichesi, A. Tonero | Quark contact interactions at the LHC | 8 pages, 2 figures | null | 10.1103/PhysRevD.85.114001 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Quark contact interactions are an important signal of new physics. We
introduce a model in which the presence of a symmetry protects these new
interactions from giving large corrections in flavor changing processes at low
energies. This minimal model provides the basic set of operators which must be
considered to con... | [
{
"created": "Fri, 25 Nov 2011 10:23:15 GMT",
"version": "v1"
}
] | 2015-06-03 | [
[
"Bazzocchi",
"F.",
""
],
[
"De Sanctis",
"U.",
""
],
[
"Fabbrichesi",
"M.",
""
],
[
"Tonero",
"A.",
""
]
] | Quark contact interactions are an important signal of new physics. We introduce a model in which the presence of a symmetry protects these new interactions from giving large corrections in flavor changing processes at low energies. This minimal model provides the basic set of operators which must be considered to contr... |
1205.0075 | Hajime Ishimori Dr. | Hajime Ishimori, Ernest Ma | New Simple A_4 Neutrino Model for Nonzero \theta_{13} and Large
\delta_{CP} | 12 pages, 8 figures | null | 10.1103/PhysRevD.86.045030 | UCRHEP-T520 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a new simple application of the non-Abelian discrete symmetry $A_4$ to
charged-lepton and neutrino mass matrices, we show that for the current
experimental central value of $\sin^2 2 \theta_{13} \simeq 0.1$, leptonic CP
violation is necessarily large, i.e. $|\tan \delta_{CP}| > 1.3$.
| [
{
"created": "Tue, 1 May 2012 02:52:20 GMT",
"version": "v1"
},
{
"created": "Sun, 6 May 2012 09:41:22 GMT",
"version": "v2"
}
] | 2013-05-30 | [
[
"Ishimori",
"Hajime",
""
],
[
"Ma",
"Ernest",
""
]
] | In a new simple application of the non-Abelian discrete symmetry $A_4$ to charged-lepton and neutrino mass matrices, we show that for the current experimental central value of $\sin^2 2 \theta_{13} \simeq 0.1$, leptonic CP violation is necessarily large, i.e. $|\tan \delta_{CP}| > 1.3$. |
1305.6609 | Alexander Wijangco | Randel C. Cotta, Arvind Rajaraman, Tim M.P. Tait, Alexander M.
Wijangco | Particle Physics Implications and Constraints on Dark Matter
Interpretations of the CDMS Signal | 16 pages, 6 figures | Phys. Rev. D 90, 013020 (2014) | 10.1103/PhysRevD.90.013020 | UCI-HEP-TR-2013-10 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently the CDMS collaboration has reported an excess of events in the
signal region of a search for dark matter scattering with Silicon nuclei. Three
events on an expected background of 0.4 have a significance of about 2 sigma,
and it is premature to conclude that this is a signal of dark matter.
Nonetheless, it is... | [
{
"created": "Tue, 28 May 2013 20:00:02 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Nov 2013 01:56:22 GMT",
"version": "v2"
}
] | 2014-07-30 | [
[
"Cotta",
"Randel C.",
""
],
[
"Rajaraman",
"Arvind",
""
],
[
"Tait",
"Tim M. P.",
""
],
[
"Wijangco",
"Alexander M.",
""
]
] | Recently the CDMS collaboration has reported an excess of events in the signal region of a search for dark matter scattering with Silicon nuclei. Three events on an expected background of 0.4 have a significance of about 2 sigma, and it is premature to conclude that this is a signal of dark matter. Nonetheless, it is i... |
1402.3620 | Hye-Sung Lee | Hooman Davoudiasl, Hye-Sung Lee, William J. Marciano | Muon g-2, Rare Kaon Decays, and Parity Violation from Dark Bosons | More references added | Phys. Rev. D 89, 095006 (2014) | 10.1103/PhysRevD.89.095006 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The muon g-2 discrepancy between theory and experiment may be explained by a
light vector boson Z_d that couples to the electromagnetic current via kinetic
mixing with the photon. We illustrate how the existing electron g-2, pion
Dalitz decay, and other direct production data disfavor that explanation if the
Z_d main... | [
{
"created": "Fri, 14 Feb 2014 23:16:52 GMT",
"version": "v1"
},
{
"created": "Fri, 21 Feb 2014 23:34:12 GMT",
"version": "v2"
}
] | 2014-05-14 | [
[
"Davoudiasl",
"Hooman",
""
],
[
"Lee",
"Hye-Sung",
""
],
[
"Marciano",
"William J.",
""
]
] | The muon g-2 discrepancy between theory and experiment may be explained by a light vector boson Z_d that couples to the electromagnetic current via kinetic mixing with the photon. We illustrate how the existing electron g-2, pion Dalitz decay, and other direct production data disfavor that explanation if the Z_d mainly... |
2307.15734 | Melissa Van Beekveld | Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi, Jack
Helliwell, Pier Francesco Monni | Collinear fragmentation at NNLL: generating functionals, groomed
correlators and angularities | Added numerical checks at fixed-order | null | null | CERN-TH-2023-143, OUTP-23-08P | hep-ph | http://creativecommons.org/licenses/by/4.0/ | Jet calculus offers a unique mathematical technique to bridge the area of QCD
resummation with Monte Carlo parton showers. With the ultimate goal of
constructing next-to-next-to-leading logarithmic (NNLL) parton showers we
study, using the language of generating functionals, the collinear
fragmentation of final-state... | [
{
"created": "Fri, 28 Jul 2023 18:00:01 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Aug 2023 15:07:12 GMT",
"version": "v2"
},
{
"created": "Tue, 23 Apr 2024 15:31:11 GMT",
"version": "v3"
}
] | 2024-04-24 | [
[
"van Beekveld",
"Melissa",
""
],
[
"Dasgupta",
"Mrinal",
""
],
[
"El-Menoufi",
"Basem Kamal",
""
],
[
"Helliwell",
"Jack",
""
],
[
"Monni",
"Pier Francesco",
""
]
] | Jet calculus offers a unique mathematical technique to bridge the area of QCD resummation with Monte Carlo parton showers. With the ultimate goal of constructing next-to-next-to-leading logarithmic (NNLL) parton showers we study, using the language of generating functionals, the collinear fragmentation of final-state p... |
hep-ph/9508334 | null | J.G. K\"orner, K. Melnikov and O.I. Yakovlev | Two -loop $O(G_F{M_H}^2)$ radiative corrections to the Higgs decay width
$H \to \gamma \gamma $ for large Higgs boson masses | 21 pages, 7 uuencoded figures | Phys.Rev. D53 (1996) 3737-3745 | 10.1103/PhysRevD.53.3737 | MZ-TH-95-18, BudkerINP-95-68 | hep-ph | null | This note is devoted to the calculation of the two-loop $O(G_F {M_H}^2)$
radiative corrections to the Higgs decay width $H \to \gamma \gamma $ for large
values of the Higgs boson mass $M_H$ within the Minimal Standard Model.
The use of the Equivalence Theorem makes it possible to reduce the problem to
the considera... | [
{
"created": "Mon, 21 Aug 1995 16:30:04 GMT",
"version": "v1"
}
] | 2016-08-15 | [
[
"Körner",
"J. G.",
""
],
[
"Melnikov",
"K.",
""
],
[
"Yakovlev",
"O. I.",
""
]
] | This note is devoted to the calculation of the two-loop $O(G_F {M_H}^2)$ radiative corrections to the Higgs decay width $H \to \gamma \gamma $ for large values of the Higgs boson mass $M_H$ within the Minimal Standard Model. The use of the Equivalence Theorem makes it possible to reduce the problem to the consideration... |
hep-ph/9601317 | Gerhard Schuler | P. Aurenche (convener), G.A. Schuler (convener), A. Bawa, E. Boudinov,
A. Buijs, M. Cacciari, A. Corsetti, W. Da Silva, M. Dubinin, R. Engel, F.
Erne, J. Field, A. Finch, J. Forshaw, R. Godbole, J.Ph. Guillet, S.R. Hou, F.
Kapusta, B. Kennedy, M.N. Kienzle, M. Kraemer, P. Kroll, E. Laenen, M. Lehto,
L. Lonnblad... | Gamma-Gamma Physics at LEP2 | 58 pages, Latex, gzipped and uuencoded, to appear in the proceedings
of the LEP2 workshop | null | null | null | hep-ph | null | This report is an overview of the gamma-gamma physics capabilities of LEP2,
and covers the following topics: structure functions, equivalent photon
approximation, tagging conditions etc, soft and semihard physics, large-$p_t$
processes, heavy-quark physics, and exclusive channels.
| [
{
"created": "Tue, 23 Jan 1996 19:33:22 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Aurenche",
"P.",
"",
"convener"
],
[
"Schuler",
"G. A.",
"",
"convener"
],
[
"Bawa",
"A.",
""
],
[
"Boudinov",
"E.",
""
],
[
"Buijs",
"A.",
""
],
[
"Cacciari",
"M.",
""
],
[
"Corsetti",
"A.",
""
... | This report is an overview of the gamma-gamma physics capabilities of LEP2, and covers the following topics: structure functions, equivalent photon approximation, tagging conditions etc, soft and semihard physics, large-$p_t$ processes, heavy-quark physics, and exclusive channels. |
1201.3949 | Michael Sarrazin | Michael Sarrazin, Guillaume Pignol, Fabrice Petit, Valery V.
Nesvizhevsky | Experimental limits on neutron disappearance into another braneworld | 7 pages, 2 figures, 1 table. Published in Physics Letters B | Phys.Lett. B712 (2012) 213 | 10.1016/j.physletb.2012.04.069 | null | hep-ph nucl-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recent theoretical works have shown that matter swapping between two parallel
braneworlds could occur under the influence of magnetic vector potentials. In
our visible world, galactic magnetism possibly produces a huge magnetic
potential. As a consequence, this paper discusses the possibility to observe
neutron disap... | [
{
"created": "Thu, 19 Jan 2012 00:00:48 GMT",
"version": "v1"
},
{
"created": "Mon, 30 Apr 2012 18:03:19 GMT",
"version": "v2"
},
{
"created": "Mon, 14 May 2012 22:34:41 GMT",
"version": "v3"
}
] | 2012-05-16 | [
[
"Sarrazin",
"Michael",
""
],
[
"Pignol",
"Guillaume",
""
],
[
"Petit",
"Fabrice",
""
],
[
"Nesvizhevsky",
"Valery V.",
""
]
] | Recent theoretical works have shown that matter swapping between two parallel braneworlds could occur under the influence of magnetic vector potentials. In our visible world, galactic magnetism possibly produces a huge magnetic potential. As a consequence, this paper discusses the possibility to observe neutron disappe... |
1811.05125 | Arvind Kumar | Harpreet Singh, Arvind Kumar and Harleen Dahiya | In-medium masses and magnetic moments of decuplet baryons | 18 pages and 3 figures | null | null | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The magnetic moments of baryon decuplet are studied in vacuum as well as in
the symmetric nuclear matter at finite temperature using a chiral SU(3) quark
mean field model approach. The contributions coming from the valence quarks,
quark sea and the orbital angular momentum of the quark sea have been
considered to cal... | [
{
"created": "Tue, 13 Nov 2018 06:36:23 GMT",
"version": "v1"
}
] | 2018-11-14 | [
[
"Singh",
"Harpreet",
""
],
[
"Kumar",
"Arvind",
""
],
[
"Dahiya",
"Harleen",
""
]
] | The magnetic moments of baryon decuplet are studied in vacuum as well as in the symmetric nuclear matter at finite temperature using a chiral SU(3) quark mean field model approach. The contributions coming from the valence quarks, quark sea and the orbital angular momentum of the quark sea have been considered to calcu... |
1909.00592 | Reza Jafari | Reza Jafari, Parvin Eslami, Mojtaba Mohammadi Najafabadi and Hamzeh
Khanpour | Constraining the top quark effective field theory using the top quark
pair production in association with a jet at future lepton colliders | 20 pages, 2 table, 7 figures, Accepted for publication in Physics
Letters B | Physics Letters B 806 (2020) 135469 | 10.1016/j.physletb.2020.135469 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Our main aim in this paper is to constrain the effective field theory
describing the top quark couplings through the $e^{-} e^{+} \rightarrow t
\bar{t}+$jet process. The analysis is carried out considering two different
center-of-mass energies of 500 and 3000 GeV including a realistic simulation of
the detector respo... | [
{
"created": "Mon, 2 Sep 2019 08:23:09 GMT",
"version": "v1"
},
{
"created": "Sun, 17 May 2020 14:53:09 GMT",
"version": "v2"
}
] | 2020-05-22 | [
[
"Jafari",
"Reza",
""
],
[
"Eslami",
"Parvin",
""
],
[
"Najafabadi",
"Mojtaba Mohammadi",
""
],
[
"Khanpour",
"Hamzeh",
""
]
] | Our main aim in this paper is to constrain the effective field theory describing the top quark couplings through the $e^{-} e^{+} \rightarrow t \bar{t}+$jet process. The analysis is carried out considering two different center-of-mass energies of 500 and 3000 GeV including a realistic simulation of the detector respons... |
1303.1324 | Dong-Won Jung | Dong-Won Jung, P. Ko, and Jae Sik Lee | Mass and rapidity dependent top quark forward-backward asymmetry in the
effective Lagrangian approach | To appear in the proceedings of Top 2012, 5th International Workshop
on Top Quark Physics, September 16-21, 2012, Winchester, U.K | null | 10.1088/1742-6596/452/1/012051 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the invariant mass and rapidity dependent top quark forward-backward
asymmetry from the effective Lagrangian viewpoint. The Wilson coefficients are
constrained by the experimental observations and the concrete models that
reproduce the low energy effective Lagaragians are considered. Some of them are
disfavo... | [
{
"created": "Wed, 6 Mar 2013 13:04:51 GMT",
"version": "v1"
}
] | 2015-06-15 | [
[
"Jung",
"Dong-Won",
""
],
[
"Ko",
"P.",
""
],
[
"Lee",
"Jae Sik",
""
]
] | We study the invariant mass and rapidity dependent top quark forward-backward asymmetry from the effective Lagrangian viewpoint. The Wilson coefficients are constrained by the experimental observations and the concrete models that reproduce the low energy effective Lagaragians are considered. Some of them are disfavore... |
hep-ph/0105138 | Joao Pacheco B. C. de Melo | J.P.B.C. de Melo (IFUSP, Sao Paulo, Brazil) and Tobias Frederico (ITA,
CTA, Sao Jose dos Campos, Brazil) | Rho meson form-factors in the null-plane phenomenology | 8 pages, 3 figures, use latex,revtex | International Workshop on Hadrons Physics 96, Topics on the
Structure and Interaction of Hadronic Systems, Brazil | null | null | hep-ph | null | The constituent quark rho meson electromagnetic form-factors are calculated,
with covariant and null-plane approaches with the same model. The null-plane
formalism produces the breakdown of the rotational symmetry for the one-body
current operador, wich is investigated by comparing the numerical results in
both appro... | [
{
"created": "Tue, 15 May 2001 12:29:48 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"de Melo",
"J. P. B. C.",
"",
"IFUSP, Sao Paulo, Brazil"
],
[
"Frederico",
"Tobias",
"",
"ITA,\n CTA, Sao Jose dos Campos, Brazil"
]
] | The constituent quark rho meson electromagnetic form-factors are calculated, with covariant and null-plane approaches with the same model. The null-plane formalism produces the breakdown of the rotational symmetry for the one-body current operador, wich is investigated by comparing the numerical results in both approac... |
hep-ph/0503073 | Zhi-Gang Wang | Zhi-Gang Wang, Shao-Long Wan, Wei-Min Yang | Magnetic moment of the pentaquark $\Theta^+(1540) $ with light-cone QCD
sum rules | 10 pages, 1 figure. The main contents of this article is included in
hep-ph/0503007, this article will not be submitted to a journal for
publication | J.Phys.G31:703-710,2005 | 10.1088/0954-3899/31/7/015 | null | hep-ph | null | In this article, we study the magnetic moment of the pentaquark state $
\Theta^+(1540)$ as diquark-diquark-antiquark ($[ud][ud]\bar{s}$) state in the
framework of the light-cone QCD sum rules approach. The numerical results
indicate the magnetic moment of the pentaquark state $ \Theta^+(1540)$ is about
$\mu_{\Theta^+... | [
{
"created": "Tue, 8 Mar 2005 11:21:46 GMT",
"version": "v1"
},
{
"created": "Wed, 29 Jun 2005 02:56:13 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Wang",
"Zhi-Gang",
""
],
[
"Wan",
"Shao-Long",
""
],
[
"Yang",
"Wei-Min",
""
]
] | In this article, we study the magnetic moment of the pentaquark state $ \Theta^+(1540)$ as diquark-diquark-antiquark ($[ud][ud]\bar{s}$) state in the framework of the light-cone QCD sum rules approach. The numerical results indicate the magnetic moment of the pentaquark state $ \Theta^+(1540)$ is about $\mu_{\Theta^+}=... |
0901.0241 | Paul Langacker | Paul Langacker | Introduction to the Standard Model and Electroweak Physics | Lectures presented at TASI2008. 45 pages, 14 figures, 5 tables | null | 10.1142/9789812838360_0001 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A concise introduction is given to the standard model, including the
structure of the QCD and electroweak Lagrangians, spontaneous symmetry
breaking, experimental tests, and problems.
| [
{
"created": "Fri, 2 Jan 2009 14:47:14 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Langacker",
"Paul",
""
]
] | A concise introduction is given to the standard model, including the structure of the QCD and electroweak Lagrangians, spontaneous symmetry breaking, experimental tests, and problems. |
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