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hep-ph/0002238 | Stefano Moretti | R. Lafaye, D.J. Miller, M. Muhlleitner, S. Moretti (coordinator) | Double Higgs production at TeV Colliders in the Minimal Supersymmetric
Standard Model | LaTeX, 23 pages, 13 PostScript figures (contribution to the Summary
Report of the Higgs WG, Workshop `Physics at TeV Colliders', Les Houches,
France, 8-18 June 1999): some modifications to the bibliography | null | null | DESY 99-192, RAL-TR-99-083 | hep-ph | null | The reconstruction of the Higgs potential in the Minimal Supersymmetric
Standard Model (MSSM) requires the measurement of the trilinear Higgs
self-couplings. The `double Higgs production' subgroup has been investigating
the possibility of detecting signatures of processes carrying a dependence on
these vertices at th... | [
{
"created": "Wed, 23 Feb 2000 11:39:41 GMT",
"version": "v1"
},
{
"created": "Mon, 28 Feb 2000 10:57:20 GMT",
"version": "v2"
},
{
"created": "Mon, 27 Mar 2000 17:44:50 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Lafaye",
"R.",
"",
"coordinator"
],
[
"Miller",
"D. J.",
"",
"coordinator"
],
[
"Muhlleitner",
"M.",
"",
"coordinator"
],
[
"Moretti",
"S.",
"",
"coordinator"
]
] | The reconstruction of the Higgs potential in the Minimal Supersymmetric Standard Model (MSSM) requires the measurement of the trilinear Higgs self-couplings. The `double Higgs production' subgroup has been investigating the possibility of detecting signatures of processes carrying a dependence on these vertices at the ... |
hep-ph/9510394 | Paul Hoyer | Paul Hoyer (Nordita) | Interactions on Nuclei | 14 pages (latex), 10 figures included as eps files. Review talk given
at the Workshop on Deep Inelastic scattering and QCD, Paris, April 1995 | null | null | NORDITA - 95/65 P | hep-ph | null | I review hard photon initiated processes on nuclei. The space-time
development of the DIS reaction as viewed in the target rest frame
qualitatively describes the nuclear shadowing of quark and gluon distributions,
although it may be difficult to understand the very weak $Q^2$ dependence of
the low $x$ data. The curre... | [
{
"created": "Tue, 24 Oct 1995 19:38:33 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Hoyer",
"Paul",
"",
"Nordita"
]
] | I review hard photon initiated processes on nuclei. The space-time development of the DIS reaction as viewed in the target rest frame qualitatively describes the nuclear shadowing of quark and gluon distributions, although it may be difficult to understand the very weak $Q^2$ dependence of the low $x$ data. The current... |
2109.01265 | Meng Lu | Sitian Qian, Congqiao Li, Qiang Li, Fanqiang Meng, Jie Xiao, Tianyi
Yang, Meng Lu, and Zhengyun You | Searching for heavy leptoquarks at a muon collider | null | null | 10.1007/JHEP12(2021)047 | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | The LHCb Collaboration recently gave an update on testing lepton flavour
universality with $B^+ \rightarrow K^+ \ell^+ \ell^-$, in which a 3.1 standard
deviations from the standard model prediction was observed. The g-2 experiment
also reports a 3.3 standard deviations from the standard model on muon
anomalous magnet... | [
{
"created": "Fri, 3 Sep 2021 01:41:58 GMT",
"version": "v1"
},
{
"created": "Sun, 17 Oct 2021 12:44:29 GMT",
"version": "v2"
}
] | 2022-01-05 | [
[
"Qian",
"Sitian",
""
],
[
"Li",
"Congqiao",
""
],
[
"Li",
"Qiang",
""
],
[
"Meng",
"Fanqiang",
""
],
[
"Xiao",
"Jie",
""
],
[
"Yang",
"Tianyi",
""
],
[
"Lu",
"Meng",
""
],
[
"You",
"Zhengyun",
... | The LHCb Collaboration recently gave an update on testing lepton flavour universality with $B^+ \rightarrow K^+ \ell^+ \ell^-$, in which a 3.1 standard deviations from the standard model prediction was observed. The g-2 experiment also reports a 3.3 standard deviations from the standard model on muon anomalous magnetic... |
hep-ph/0204219 | Guray Erkol | Guray Erkol and Gursevil Turan | The exclusive $B -> (K, K^*) \ell^+ \ell^-$ decays in a CP softly broken
two Higgs doublet model | 23 pages, 26 eps figures, version to appear in Nucl. Phys. B | Nucl.Phys.B635:286-308,2002 | 10.1016/S0550-3213(02)00349-8 | null | hep-ph | null | We study the differential branching ratio, forward-backward asymmetry,
CP-violating asymmetry, CP-violating asymmetry in the forward-backward
asymmetry and polarization asymmetries in the $B -> K \ell^+ \ell^-$ and $B ->
K^* \ell^+ \ell^-$ decays in the context of a CP softly broken two Higgs
doublet model. We analyz... | [
{
"created": "Thu, 18 Apr 2002 12:58:54 GMT",
"version": "v1"
},
{
"created": "Fri, 3 May 2002 13:51:38 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Erkol",
"Guray",
""
],
[
"Turan",
"Gursevil",
""
]
] | We study the differential branching ratio, forward-backward asymmetry, CP-violating asymmetry, CP-violating asymmetry in the forward-backward asymmetry and polarization asymmetries in the $B -> K \ell^+ \ell^-$ and $B -> K^* \ell^+ \ell^-$ decays in the context of a CP softly broken two Higgs doublet model. We analyze ... |
hep-ph/0206156 | Miguel Angel Sanchis | M.A. Sanchis-Lozano | Searching for New Physics in Leptonic Decays of Bottomonium | LaTeX, 12 pages, 1 EPS figure | Mod.Phys.Lett.A17:2265-2276,2002 | 10.1142/S0217732302008897 | IFIC/02-23, FTUV-02-0617 | hep-ph | null | New Physics can show up in various well-known processes already studied in
the Standard Model, in particular by modifying decay rates to some extent. In
this work, I examine leptonic decays of $\Upsilon$ vector resonances of
bottomonium below $B\bar{B}$ production, subsequent to a magnetic dipole
radiative structural... | [
{
"created": "Tue, 18 Jun 2002 09:45:08 GMT",
"version": "v1"
},
{
"created": "Tue, 2 Jul 2002 15:49:00 GMT",
"version": "v2"
}
] | 2011-07-19 | [
[
"Sanchis-Lozano",
"M. A.",
""
]
] | New Physics can show up in various well-known processes already studied in the Standard Model, in particular by modifying decay rates to some extent. In this work, I examine leptonic decays of $\Upsilon$ vector resonances of bottomonium below $B\bar{B}$ production, subsequent to a magnetic dipole radiative structural t... |
1703.08258 | Wan-Il Park | Gabriela Barenboim, Wan-Il Park | On large lepton number asymmetries of the Universe | 6 pages, 2 figures | null | 10.1088/1475-7516/2017/04/048 | FTUV-17-03-17, IFIC/17-19 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A large lepton number asymmetry of $\mathcal{O}(0.1-1)$ at present universe
might not only be allowed but also necessary for consistency among cosmological
data. We show that, if a sizeable lepton number asymmetry were produced before
the electroweak phase transition, the requirement for not producing too much
baryon... | [
{
"created": "Fri, 24 Mar 2017 01:21:55 GMT",
"version": "v1"
}
] | 2017-05-10 | [
[
"Barenboim",
"Gabriela",
""
],
[
"Park",
"Wan-Il",
""
]
] | A large lepton number asymmetry of $\mathcal{O}(0.1-1)$ at present universe might not only be allowed but also necessary for consistency among cosmological data. We show that, if a sizeable lepton number asymmetry were produced before the electroweak phase transition, the requirement for not producing too much baryon n... |
1606.04541 | Ken Van Tilburg | Asimina Arvanitaki, Peter W. Graham, Jason M. Hogan, Surjeet
Rajendran, Ken Van Tilburg | Search for light scalar dark matter with atomic gravitational wave
detectors | 5 pages, 3 figures | Phys. Rev. D 97, 075020 (2018) | 10.1103/PhysRevD.97.075020 | null | hep-ph hep-ex physics.atom-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We show that gravitational wave detectors based on a type of atom
interferometry are sensitive to ultralight scalar dark matter. Such dark matter
can cause temporal oscillations in fundamental constants with a frequency set
by the dark matter mass, and amplitude determined by the local dark matter
density. The result... | [
{
"created": "Tue, 14 Jun 2016 20:00:11 GMT",
"version": "v1"
}
] | 2018-04-25 | [
[
"Arvanitaki",
"Asimina",
""
],
[
"Graham",
"Peter W.",
""
],
[
"Hogan",
"Jason M.",
""
],
[
"Rajendran",
"Surjeet",
""
],
[
"Van Tilburg",
"Ken",
""
]
] | We show that gravitational wave detectors based on a type of atom interferometry are sensitive to ultralight scalar dark matter. Such dark matter can cause temporal oscillations in fundamental constants with a frequency set by the dark matter mass, and amplitude determined by the local dark matter density. The result i... |
2207.01238 | Najimuddin Khan | Pritam Das, Najimuddin Khan | Origin of neutrino masses, dark matter, leptogenesis, and inflation in a
seesaw model with triplets | 35 pages, 8 figures | null | 10.1103/PhysRevD.107.075008 | HRI-RECAPP-2022-012 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We consider a new physics model, where the Standard Model (SM) is extended by
hyperchargeless $Y=0$ triplet fermions and Higgs triplet with hypercharge
$Y=2$. The first two generation fermion triplets are even under the $Z_2$
transformation. In contrast, the third fermion triplet and scalar triplet are
odd under the ... | [
{
"created": "Mon, 4 Jul 2022 07:29:21 GMT",
"version": "v1"
},
{
"created": "Thu, 20 Apr 2023 09:19:26 GMT",
"version": "v2"
}
] | 2023-04-21 | [
[
"Das",
"Pritam",
""
],
[
"Khan",
"Najimuddin",
""
]
] | We consider a new physics model, where the Standard Model (SM) is extended by hyperchargeless $Y=0$ triplet fermions and Higgs triplet with hypercharge $Y=2$. The first two generation fermion triplets are even under the $Z_2$ transformation. In contrast, the third fermion triplet and scalar triplet are odd under the sa... |
hep-ph/9609224 | Edmond Iancu | Edmond Iancu, Service de Physique Theorique, Saclay, France | Lifetime of quasiparticles in hot gauge theories | 9 pages, LaTeX, Contributed talk to Quark Matter'96, May 20-24, 1996,
Heidelberg, Germany | Nucl.Phys. A610 (1996) 484c-491c | 10.1016/S0375-9474(96)00381-8 | Saclay T96/097 | hep-ph | null | The perturbative calculation of the lifetime of charged excitations in
ultrarelativistic plasmas is plagued with infrared divergences which are not
eliminated by the screening corrections. The physical processes responsible for
these divergences are the collisions involving the exchange of longwavelength,
quasistatic... | [
{
"created": "Mon, 2 Sep 1996 10:51:51 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Iancu",
"Edmond",
""
],
[
"Theorique",
"Service de Physique",
""
],
[
"Saclay",
"",
""
],
[
"France",
"",
""
]
] | The perturbative calculation of the lifetime of charged excitations in ultrarelativistic plasmas is plagued with infrared divergences which are not eliminated by the screening corrections. The physical processes responsible for these divergences are the collisions involving the exchange of longwavelength, quasistatic, ... |
1508.01468 | Zhi-Gang Wang | Zhi-Gang Wang | Analysis of the $P_c(4380)$ and $P_c(4450)$ as pentaquark states in the
diquark model with QCD sum rules | 18 pages, 5 figures | Eur.Phys.J.C76(2016)70 | 10.1140/epjc/s10052-016-3920-4 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this article, we construct the diquark-diquark-antiquark type
interpolating currents, and study the masses and pole residues of the
$J^P={\frac{3}{2}}^-$ and ${\frac{5}{2}}^+$ hidden-charmed pentaquark states in
details with the QCD sum rules by calculating the contributions of the vacuum
condensates up to dimensi... | [
{
"created": "Mon, 3 Aug 2015 08:55:49 GMT",
"version": "v1"
},
{
"created": "Sat, 10 Oct 2015 13:20:45 GMT",
"version": "v2"
},
{
"created": "Tue, 22 Dec 2015 01:56:37 GMT",
"version": "v3"
},
{
"created": "Thu, 14 Jan 2016 13:00:06 GMT",
"version": "v4"
}
] | 2016-02-16 | [
[
"Wang",
"Zhi-Gang",
""
]
] | In this article, we construct the diquark-diquark-antiquark type interpolating currents, and study the masses and pole residues of the $J^P={\frac{3}{2}}^-$ and ${\frac{5}{2}}^+$ hidden-charmed pentaquark states in details with the QCD sum rules by calculating the contributions of the vacuum condensates up to dimension... |
hep-ph/0511090 | Dieter Schildknecht | Dieter Schildknecht | Vector Meson Dominance | To appear in the proceedings of "PHOTON2005 International Conference
on the Structure and Interactions of the Photon including the 16th
International Workshop on Photon-Photon Collisions", Warsaw, 2005 | ActaPhys.Polon.B37:595-608,2006 | null | null | hep-ph | null | Historically vector-meson physics arose along two different paths to be
reviewed in Sections 1 and 2. In Section 3, the phenomenological consequences
will be discussed with an emphasis on those aspects of the subject matter
relevant in present-day discussions on deep inelastic scattering in the
diffraction region of ... | [
{
"created": "Tue, 8 Nov 2005 09:58:32 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Schildknecht",
"Dieter",
""
]
] | Historically vector-meson physics arose along two different paths to be reviewed in Sections 1 and 2. In Section 3, the phenomenological consequences will be discussed with an emphasis on those aspects of the subject matter relevant in present-day discussions on deep inelastic scattering in the diffraction region of lo... |
2108.08360 | Antonio Ortiz | Antonio Ortiz | Energy dependence of underlying-event observables from RHIC to LHC
energies | 6 pages, 4 figures | Phys. Rev. D 104 (2021) 076019 | 10.1103/PhysRevD.104.076019 | null | hep-ph nucl-th | http://creativecommons.org/licenses/by-nc-nd/4.0/ | A study of the charged-particle density (number density) in the transverse
region of the di-hadron correlations exploiting the existing pp and p$\bar{\rm
p}$ data from RHIC to LHC energies is reported. This region has contributions
from the Underlying Event (UE) as well as from Initial- and Final-State
Radiation (ISR... | [
{
"created": "Wed, 18 Aug 2021 19:31:44 GMT",
"version": "v1"
},
{
"created": "Thu, 21 Oct 2021 20:40:02 GMT",
"version": "v2"
}
] | 2021-10-25 | [
[
"Ortiz",
"Antonio",
""
]
] | A study of the charged-particle density (number density) in the transverse region of the di-hadron correlations exploiting the existing pp and p$\bar{\rm p}$ data from RHIC to LHC energies is reported. This region has contributions from the Underlying Event (UE) as well as from Initial- and Final-State Radiation (ISR-F... |
hep-ph/0105219 | Kaoru Okano | Kaoru Okano | Slavnov-Taylor identity for nonequilibrium quark-gluon plasma | 10pages | Mod.Phys.Lett. A16 (2001) 531-540 | 10.1142/S0217732301003553 | null | hep-ph | null | Within the closed-time-path formalism of nonequilibrium QCD, we derive a
Slavnov-Taylor (ST) identity for the gluon polarization tensor. The ST identity
takes the same form both in Coulomb and covariant gauges. Application to
quasi-uniform quark-gluon plasma (QGP) near equilibrium or nonequilibrium
quasistationary QG... | [
{
"created": "Tue, 22 May 2001 00:22:51 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Okano",
"Kaoru",
""
]
] | Within the closed-time-path formalism of nonequilibrium QCD, we derive a Slavnov-Taylor (ST) identity for the gluon polarization tensor. The ST identity takes the same form both in Coulomb and covariant gauges. Application to quasi-uniform quark-gluon plasma (QGP) near equilibrium or nonequilibrium quasistationary QGP ... |
2312.06380 | Tao Xu | Peisi Huang, Tao Xu | Leptogenesis with a Coupling Knob | 5 pages, 4 figures | null | null | CETUP-2023-012 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a novel leptogenesis mechanism wherein the coupling between the
right-handed neutrino and Standard Model particles is temperature-dependent. In
this mechanism, the coupling experiences suppression at high temperatures and
becomes sizable when the washout processes are Boltzmann-suppressed. This
temperature... | [
{
"created": "Mon, 11 Dec 2023 13:39:31 GMT",
"version": "v1"
}
] | 2023-12-12 | [
[
"Huang",
"Peisi",
""
],
[
"Xu",
"Tao",
""
]
] | We propose a novel leptogenesis mechanism wherein the coupling between the right-handed neutrino and Standard Model particles is temperature-dependent. In this mechanism, the coupling experiences suppression at high temperatures and becomes sizable when the washout processes are Boltzmann-suppressed. This temperature-d... |
1904.11718 | Pietro Vischia | Pietro Vischia | Reporting Results in High Energy Physics Publications: a Manifesto | 26 pages, 3 tables, 7 figures. Accepted by Reviews in Physics on July
3rd, 2020. Preproof at:
https://www.sciencedirect.com/science/article/pii/S2405428320300095 | null | 10.1016/j.revip.2020.100046 | null | hep-ph hep-ex stat.ME | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The complexity of collider data analyses has dramatically increased from
early colliders to the CERN LHC. Reconstruction of the collision products in
the particle detectors has reached a point that requires dedicated publications
documenting the techniques, and periodic retuning of the algorithms themselves.
Analysis... | [
{
"created": "Fri, 26 Apr 2019 08:44:38 GMT",
"version": "v1"
},
{
"created": "Thu, 16 Jul 2020 07:22:37 GMT",
"version": "v2"
}
] | 2020-07-17 | [
[
"Vischia",
"Pietro",
""
]
] | The complexity of collider data analyses has dramatically increased from early colliders to the CERN LHC. Reconstruction of the collision products in the particle detectors has reached a point that requires dedicated publications documenting the techniques, and periodic retuning of the algorithms themselves. Analysis m... |
hep-ph/9902235 | Gino Isidori | Gino Isidori | Precision tests and searches for New Physics with K decays | 12 pages, talk presented at the `International Workshop on CP
Violation in K', 18-19 December 1998, KEK-Tanashi, Tokyo | null | null | LNF-99/004(P) | hep-ph | null | A short overview of FCNC and CP-violating observables in K decays is
presented. Particular attention is paid to the possibility of performing
precision tests of flavour dynamics and to the search for New Physics.
| [
{
"created": "Wed, 3 Feb 1999 17:52:56 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Isidori",
"Gino",
""
]
] | A short overview of FCNC and CP-violating observables in K decays is presented. Particular attention is paid to the possibility of performing precision tests of flavour dynamics and to the search for New Physics. |
1002.3987 | Kuang-Ta Chao | Yan-Qing Ma, Kai Wang, Kuang-Ta Chao | QCD radiative corrections to $\chi_{cJ}$ production at hadron colliders | Version published in PRD (Rapid Communication); Title changed as
suggested by journal editor; in Fig.5 predictions and data at Tevatron (as
well as at LHC) are shown; no changes for physical results | Phys.Rev.D83:111503,2011 | 10.1103/PhysRevD.83.111503 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | To clarify the outstanding problem in charmonium production that existing
theories cannot explain the observed cross sections of $\chi_{cJ}$ (J=0,1,2)
and ratio $R_{\chi_c}=\sigma_{\chi_{c2}}/\sigma_{\chi_{c1}}\approx 0.75$ (in
contrast to the spin counting value 5/3) at the Tevatron, we study the complete
next-to-le... | [
{
"created": "Sun, 21 Feb 2010 18:41:48 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Jul 2010 19:04:10 GMT",
"version": "v2"
},
{
"created": "Mon, 13 Jun 2011 04:54:53 GMT",
"version": "v3"
}
] | 2011-07-01 | [
[
"Ma",
"Yan-Qing",
""
],
[
"Wang",
"Kai",
""
],
[
"Chao",
"Kuang-Ta",
""
]
] | To clarify the outstanding problem in charmonium production that existing theories cannot explain the observed cross sections of $\chi_{cJ}$ (J=0,1,2) and ratio $R_{\chi_c}=\sigma_{\chi_{c2}}/\sigma_{\chi_{c1}}\approx 0.75$ (in contrast to the spin counting value 5/3) at the Tevatron, we study the complete next-to-lead... |
hep-ph/9907292 | Stephen Wong | S.M.H. Wong | Condensation of a Strongly Interacting Parton Plasma into a Hadron Gas
in High Energy Nuclear Collisions | 4 pages, 2 embedded EPS figures, talk presented at Quark Matter'99,
Torino, Italy | Nucl.Phys. A661 (1999) 657 | 10.1016/S0375-9474(99)85111-2 | NUC-MINN-99/10-T | hep-ph nucl-th | null | We examine the effects of color screening on the transition of a parton
plasma into a hadron gas at RHIC energies. It is found that as expected, color
screening posed itself as a significant barrier for hadronization.
Parton-hadron conversion would therefore be delayed and prolonged when compared
to that occuring in ... | [
{
"created": "Fri, 9 Jul 1999 16:52:39 GMT",
"version": "v1"
}
] | 2015-06-25 | [
[
"Wong",
"S. M. H.",
""
]
] | We examine the effects of color screening on the transition of a parton plasma into a hadron gas at RHIC energies. It is found that as expected, color screening posed itself as a significant barrier for hadronization. Parton-hadron conversion would therefore be delayed and prolonged when compared to that occuring in a ... |
hep-ph/0510125 | Zhenyu Han | Zhenyu Han | Electroweak Constraints on Effective Theories with U(2)xU(1) Flavor
Symmetry | 11 pages, 2 figures | Phys.Rev. D73 (2006) 015005 | 10.1103/PhysRevD.73.015005 | null | hep-ph | null | In a previous analysis presented in hep-ph/0412166, electroweak constraints
were given on arbitrary linear combinations of a set of dimension-6 operators.
Flavor universality and thus U(3)^5 flavor symmetry were assumed for the
operators. In this article, we expand the analysis to account for the
flavor-dependent the... | [
{
"created": "Mon, 10 Oct 2005 19:39:00 GMT",
"version": "v1"
}
] | 2009-11-11 | [
[
"Han",
"Zhenyu",
""
]
] | In a previous analysis presented in hep-ph/0412166, electroweak constraints were given on arbitrary linear combinations of a set of dimension-6 operators. Flavor universality and thus U(3)^5 flavor symmetry were assumed for the operators. In this article, we expand the analysis to account for the flavor-dependent theor... |
hep-ph/9910220 | Mikolaj Misiak | Christoph Bobeth, Mikolaj Misiak and Joerg Urban | Photonic penguins at two loops and m_t-dependence of BR[ B -> X_s l^+
l^-] | 38 pages, including 8 figures, uses graphicx | Nucl.Phys. B574 (2000) 291-330 | 10.1016/S0550-3213(00)00007-9 | TUM-HEP-329/98, IFT-16/98, CERN-TH/99-287 | hep-ph | null | We calculate two-loop matching conditions for all the operators that are
relevant to B -> X_s l^+ l^- decay in the Standard Model. In effect, we are
able to remove the +_16% uncertainty in the decay spectrum, which was mainly
due to the renormalization-scale dependence of the top-quark mass. We find 1.46
* 10^-6 for ... | [
{
"created": "Mon, 4 Oct 1999 11:42:37 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Bobeth",
"Christoph",
""
],
[
"Misiak",
"Mikolaj",
""
],
[
"Urban",
"Joerg",
""
]
] | We calculate two-loop matching conditions for all the operators that are relevant to B -> X_s l^+ l^- decay in the Standard Model. In effect, we are able to remove the +_16% uncertainty in the decay spectrum, which was mainly due to the renormalization-scale dependence of the top-quark mass. We find 1.46 * 10^-6 for th... |
hep-ph/9902318 | Andrei Shuvaev | A.Shuvaev | Solution of the off-forward leading logarithmic evolution equation based
on the Gegenbauer moments inversion | 11 pages, LaTeX, no figures, revised version, references added | Phys.Rev.D60:116005,1999 | 10.1103/PhysRevD.60.116005 | null | hep-ph | null | Using the conformal invariance the leading-log evolution of the off-forward
structure function is reduced to the forward evolution described by the
conventional DGLAP equation. The method relies on the fact that the anomalous
dimensions of the Gegenbauer moments of the off-forward distribution are
independent on the ... | [
{
"created": "Thu, 11 Feb 1999 11:45:08 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Jun 1999 11:11:35 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Shuvaev",
"A.",
""
]
] | Using the conformal invariance the leading-log evolution of the off-forward structure function is reduced to the forward evolution described by the conventional DGLAP equation. The method relies on the fact that the anomalous dimensions of the Gegenbauer moments of the off-forward distribution are independent on the as... |
hep-ph/0611220 | Varin Thibaut | T.Varin, D.Davesne, M.Oertel, M.Urban | How to preserve symmetries with cut-off regularized integrals? | 11 pages, 3 graphs | Nucl.Phys.A791:422-433,2007 | 10.1016/j.nuclphysa.2007.05.003 | LYCEN 2006-16 | hep-ph | null | We present a prescription to calculate the quadratic and logarithmic
divergent parts of several integrals employing a cutoff in a coherent way, i.e.
in total agreement with symmetry requirements. As examples we consider one-loop
Ward identities for QED and a phenomenological chiral model.
| [
{
"created": "Thu, 16 Nov 2006 15:35:06 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Varin",
"T.",
""
],
[
"Davesne",
"D.",
""
],
[
"Oertel",
"M.",
""
],
[
"Urban",
"M.",
""
]
] | We present a prescription to calculate the quadratic and logarithmic divergent parts of several integrals employing a cutoff in a coherent way, i.e. in total agreement with symmetry requirements. As examples we consider one-loop Ward identities for QED and a phenomenological chiral model. |
1601.05291 | P\'eter Kov\'acs Dr. | Peter Kov\'acs, Zsolt Sz\'ep and Gy\"orgy Wolf | Existence of the critical endpoint in the vector meson extended linear
sigma model | 21 pages, 8 color eps figures, published version | Phys. Rev. D 93, 114014 (2016) | 10.1103/PhysRevD.93.114014 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The chiral phase transition of the strongly interacting matter is
investigated at nonzero temperature and baryon chemical potential mu_B within
an extended (2+1) flavor Polyakov constituent quark-meson model which
incorporates the effect of the vector and axial vector mesons. The effect of
the fermionic vacuum and th... | [
{
"created": "Wed, 20 Jan 2016 14:53:47 GMT",
"version": "v1"
},
{
"created": "Thu, 8 Sep 2016 12:46:53 GMT",
"version": "v2"
}
] | 2016-09-09 | [
[
"Kovács",
"Peter",
""
],
[
"Szép",
"Zsolt",
""
],
[
"Wolf",
"György",
""
]
] | The chiral phase transition of the strongly interacting matter is investigated at nonzero temperature and baryon chemical potential mu_B within an extended (2+1) flavor Polyakov constituent quark-meson model which incorporates the effect of the vector and axial vector mesons. The effect of the fermionic vacuum and ther... |
hep-ph/9411277 | Frank Cuypers | Frank Cuypers (MPI Munich) and Karol Kolodziej (University of Munich) | Probing Anomalous Quartic Vector Boson Couplings in $e^-e^-$ Collisions | 8 pages, Postscript version available via anonymous ftp at
ftp://gluon.hep.physik.uni-muenchen.de/preprints/mpi9478.ps | Phys.Lett. B344 (1995) 365-369 | 10.1016/0370-2693(94)01569-X | MPI-PhT/94-78, LMU-20/94 | hep-ph | null | We study the incidence of genuine quartic vector boson couplings in the
reactions e-e- -> e-e-ZZ, e-\nu ZW, \nu\nu WW. We find that a linear collider
operated in the e-e- mode will provide bounds on these couplings which are
competitive with those to be obtained in the e+e- mode.
| [
{
"created": "Sat, 12 Nov 1994 12:44:21 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Cuypers",
"Frank",
"",
"MPI Munich"
],
[
"Kolodziej",
"Karol",
"",
"University of Munich"
]
] | We study the incidence of genuine quartic vector boson couplings in the reactions e-e- -> e-e-ZZ, e-\nu ZW, \nu\nu WW. We find that a linear collider operated in the e-e- mode will provide bounds on these couplings which are competitive with those to be obtained in the e+e- mode. |
1708.00142 | Wei Chen | Jin-Feng Jiang, Wei Chen and Shi-Lin Zhu | Triply heavy $QQ\bar Q\bar q$ tetraquark states | 11 pages, 1 figure. Published in Phys. Rev. D | Phys. Rev. D 96, 094022 (2017) | 10.1103/PhysRevD.96.094022 | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Within the framework of QCD sum rules, we have investigated the tetraquark
states with three heavy quarks. We systematically construct the interpolating
currents for the possible $cc\bar{c}\bar{q}$, $cc\bar{b}\bar{q}$,
$bc\bar{b}\bar{q}$, $bb\bar{b}\bar{q}$ tetraquark states with quantum numbers
$J^{P}=0^{+}$ and $J^... | [
{
"created": "Tue, 1 Aug 2017 02:51:56 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Aug 2017 01:47:05 GMT",
"version": "v2"
},
{
"created": "Wed, 29 Nov 2017 02:51:42 GMT",
"version": "v3"
}
] | 2017-11-30 | [
[
"Jiang",
"Jin-Feng",
""
],
[
"Chen",
"Wei",
""
],
[
"Zhu",
"Shi-Lin",
""
]
] | Within the framework of QCD sum rules, we have investigated the tetraquark states with three heavy quarks. We systematically construct the interpolating currents for the possible $cc\bar{c}\bar{q}$, $cc\bar{b}\bar{q}$, $bc\bar{b}\bar{q}$, $bb\bar{b}\bar{q}$ tetraquark states with quantum numbers $J^{P}=0^{+}$ and $J^{P... |
2012.08342 | Giovanni Pelliccioli | Ansgar Denner, Giovanni Pelliccioli | NLO QCD corrections to the production of top-antitop pairs in
association with a W boson including leptonic decays | 6 pages, 3 figures, Poster presented at the 13th International
Workshop on Top Quark Physics, Durham, UK (videoconference), 14-18 September
2020 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the QCD radiative corrections to the full off-shell $\rm
t\bar{t}W^+$ production, considering a final state with three charged leptons,
two b jets and missing energy. All interferences, off-shell effects and spin
correlations are included in the calculation. Beyond presenting integrated and
differential re... | [
{
"created": "Tue, 15 Dec 2020 14:53:58 GMT",
"version": "v1"
}
] | 2020-12-16 | [
[
"Denner",
"Ansgar",
""
],
[
"Pelliccioli",
"Giovanni",
""
]
] | We present the QCD radiative corrections to the full off-shell $\rm t\bar{t}W^+$ production, considering a final state with three charged leptons, two b jets and missing energy. All interferences, off-shell effects and spin correlations are included in the calculation. Beyond presenting integrated and differential resu... |
hep-ph/9712446 | Ben Allanach | B. C. Allanach, G. K. Leontaris and S. T. Petcov | Hybrid MSW + VO Solution of the Solar Neutrino Problem in
String-Motivated Unified Theories | 16 pages LaTeX, 3 figures. Uses epsfig macro. Replaced version has
minor modification to fig 1a | Phys.Lett. B431 (1998) 98-109 | 10.1016/S0370-2693(98)00541-3 | CERN-TH-97-347, RAL-TR-97-062, IOA-TH-97-017, Ref. SISSA 155/97/EP | hep-ph | null | It is shown that the hybrid MSW + VO solution of the solar neutrino problem,
according to which the solar nu_e undergo matter-enhanced transitions into
nu_mu, nu_tau in the Sun followed by long wave length (about 1.5 10^8 km) nu_e
-> nu_mu, nu_tau oscillations in vacuum between the Sun and the Earth, can
occur natura... | [
{
"created": "Thu, 18 Dec 1997 23:25:48 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Dec 1997 19:04:15 GMT",
"version": "v2"
}
] | 2009-10-30 | [
[
"Allanach",
"B. C.",
""
],
[
"Leontaris",
"G. K.",
""
],
[
"Petcov",
"S. T.",
""
]
] | It is shown that the hybrid MSW + VO solution of the solar neutrino problem, according to which the solar nu_e undergo matter-enhanced transitions into nu_mu, nu_tau in the Sun followed by long wave length (about 1.5 10^8 km) nu_e -> nu_mu, nu_tau oscillations in vacuum between the Sun and the Earth, can occur naturall... |
hep-ph/9303219 | null | C. Cs\'aki and F. Csikor | Mirror fermions and LEP precision data | LateX 9 pages (4 figures available upon request). ITP-Budapest Rep.
No. 500 | Phys.Lett.B309:103-108,1993 | 10.1016/0370-2693(93)91511-K | null | hep-ph | null | The three generation mirror fermion model is compared with LEP precision and
low energy data. While for zero mixing of ordinary and mirror fermions the
model is not favoured, for non zero mixing very low $\chi ^2 $ fits have been
obtained, in particular when right handed leptonic mixings are small and left
handed lep... | [
{
"created": "Thu, 4 Mar 1993 07:39:26 GMT",
"version": "v1"
}
] | 2009-09-17 | [
[
"Csáki",
"C.",
""
],
[
"Csikor",
"F.",
""
]
] | The three generation mirror fermion model is compared with LEP precision and low energy data. While for zero mixing of ordinary and mirror fermions the model is not favoured, for non zero mixing very low $\chi ^2 $ fits have been obtained, in particular when right handed leptonic mixings are small and left handed lepto... |
1905.03768 | James Alexander Osborne | Marcela Carena, James Osborne, Nausheen R. Shah, Carlos E. M. Wagner | The Return of the WIMP: Missing Energy Signals and the Galactic Center
Excess | 12 pages | Phys. Rev. D 100, 055002 (2019) | 10.1103/PhysRevD.100.055002 | FERMILAB-PUB-19-199-T, EFI-19-8, WSU-HEP-1904 | hep-ph astro-ph.HE hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In a recent work, we emphasized that an excess in tri-lepton events plus
missing energy observed by the ATLAS experiment at the LHC could be interpreted
as a signal of low energy supersymmetry. In such a scenario the lightest
neutralino mass is approximately $m_\chi \simeq 60$ GeV and the direct Dark
Matter detection... | [
{
"created": "Thu, 9 May 2019 17:53:54 GMT",
"version": "v1"
}
] | 2019-09-11 | [
[
"Carena",
"Marcela",
""
],
[
"Osborne",
"James",
""
],
[
"Shah",
"Nausheen R.",
""
],
[
"Wagner",
"Carlos E. M.",
""
]
] | In a recent work, we emphasized that an excess in tri-lepton events plus missing energy observed by the ATLAS experiment at the LHC could be interpreted as a signal of low energy supersymmetry. In such a scenario the lightest neutralino mass is approximately $m_\chi \simeq 60$ GeV and the direct Dark Matter detection c... |
1009.1860 | Jorge Martin Camalich | J. Martin-Camalich, L.S. Geng, M.J. Vicente Vacas | Properties of the ground-state baryons in chiral perturbation theory | 6 pages; shortened version to appear in the proceedings of QCD10 | Nucl.Phys.Proc.Suppl.207-208:212-215,2010 | 10.1016/j.nuclphysbps.2010.10.055 | null | hep-ph hep-ex hep-lat nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review recent progress in the understanding of low-energy baryon structure
by means of chiral perturbation theory. In particular, we discuss the
application of this formalism to the description of various properties such as
the baryon-octet magnetic moments, the electromagnetic structure of decuplet
resonances and... | [
{
"created": "Thu, 9 Sep 2010 19:16:53 GMT",
"version": "v1"
}
] | 2011-02-15 | [
[
"Martin-Camalich",
"J.",
""
],
[
"Geng",
"L. S.",
""
],
[
"Vacas",
"M. J. Vicente",
""
]
] | We review recent progress in the understanding of low-energy baryon structure by means of chiral perturbation theory. In particular, we discuss the application of this formalism to the description of various properties such as the baryon-octet magnetic moments, the electromagnetic structure of decuplet resonances and t... |
2106.06543 | Maurizio Consoli Dr. | M. Consoli | A hidden, heavier resonance of the Higgs field | Contribution to Veltman Memorial Volume, to appear in Acta Physica
Polonica B, 26 pages, 1 Table, 6 figures | null | 10.5506/APhysPolB.52.763 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In Veltman's original view, the Standard Model with a large Higgs particle
mass of about 1 TeV was the natural completion of non-renormalizable Glashow
model. This mass was thus a second threshold for weak interactions, as the W
mass was for the non-renormalizable 4-fermion V-A theory. Today, after the
observation of... | [
{
"created": "Fri, 11 Jun 2021 08:58:43 GMT",
"version": "v1"
}
] | 2021-07-07 | [
[
"Consoli",
"M.",
""
]
] | In Veltman's original view, the Standard Model with a large Higgs particle mass of about 1 TeV was the natural completion of non-renormalizable Glashow model. This mass was thus a second threshold for weak interactions, as the W mass was for the non-renormalizable 4-fermion V-A theory. Today, after the observation of t... |
hep-ph/0312023 | Michele Frigerio | Michele Frigerio (UCR, Sissa & INFN) | Oscillations and leptogenesis: what can we learn about right-handed
neutrinos? | 20 pages, latex, 1 figure. References added | null | null | null | hep-ph | null | Inverting the type-I seesaw formula, we reconstruct the mass matrix of the
heavy right-handed neutrinos $N_i$. We analyze how the data on neutrino
oscillations affect the structure of this matrix. Under the assumption of
hierarchical Dirac-type neutrino masses $m_{Di}$, we compute the mixing angles
among $N_i$, their... | [
{
"created": "Mon, 1 Dec 2003 20:45:58 GMT",
"version": "v1"
},
{
"created": "Wed, 7 Apr 2004 22:42:24 GMT",
"version": "v2"
}
] | 2007-05-23 | [
[
"Frigerio",
"Michele",
"",
"UCR, Sissa & INFN"
]
] | Inverting the type-I seesaw formula, we reconstruct the mass matrix of the heavy right-handed neutrinos $N_i$. We analyze how the data on neutrino oscillations affect the structure of this matrix. Under the assumption of hierarchical Dirac-type neutrino masses $m_{Di}$, we compute the mixing angles among $N_i$, their m... |
0903.2118 | Gilad Perez | Kfir Blum, Yuval Grossman, Yosef Nir and Gilad Perez | Combining K-\bar K mixing and D-\bar D mixing to constrain the flavor
structure of new physics | 4 pages and one figure | Phys.Rev.Lett.102:211802,2009 | 10.1103/PhysRevLett.102.211802 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | New physics at high energy scale often contributes to K-\bar K and D-\bar D
mixings in an approximately SU(2)_L invariant way. In such a case, the
combination of measurements in these two systems is particularly powerful. The
resulting constraints can be expressed in terms of misalignments and flavor
splittings.
| [
{
"created": "Thu, 12 Mar 2009 09:00:46 GMT",
"version": "v1"
}
] | 2009-06-30 | [
[
"Blum",
"Kfir",
""
],
[
"Grossman",
"Yuval",
""
],
[
"Nir",
"Yosef",
""
],
[
"Perez",
"Gilad",
""
]
] | New physics at high energy scale often contributes to K-\bar K and D-\bar D mixings in an approximately SU(2)_L invariant way. In such a case, the combination of measurements in these two systems is particularly powerful. The resulting constraints can be expressed in terms of misalignments and flavor splittings. |
0804.1996 | Zurab Tavartkiladze | S. Nandi, Zurab Tavartkiladze | A New Extensions of MSSM: FMSSM | LaTex, 1 fig. Clarifying remarks added. To appear in Phys. Lett. B | Phys.Lett.B672:240-245,2009 | 10.1016/j.physletb.2008.12.069 | OSU-HEP-08-03, NSF-KITP-08-51 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose an extension of the MSSM by adding vector like `matter' fields
with masses near the TeV scale. This extension allows us to generate the masses
of the bottom quark and tau lepton via radiative corrections such that only up
type Higgs doublet couples with quarks and leptons. In addition to providing a
natura... | [
{
"created": "Sat, 12 Apr 2008 07:12:29 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Jan 2009 09:35:43 GMT",
"version": "v2"
}
] | 2009-02-18 | [
[
"Nandi",
"S.",
""
],
[
"Tavartkiladze",
"Zurab",
""
]
] | We propose an extension of the MSSM by adding vector like `matter' fields with masses near the TeV scale. This extension allows us to generate the masses of the bottom quark and tau lepton via radiative corrections such that only up type Higgs doublet couples with quarks and leptons. In addition to providing a natural ... |
2403.08316 | Pascal Reeck | Marvin Gerlach, Ulrich Nierste, Pascal Reeck, Vladyslav Shtabovenko
and Matthias Steinhauser | NNLO QCD corrections to $\Delta \Gamma_s$ in the $B_s-\overline{B}_s$
system | Presented at the 12th Workshop on the CKM Unitarity Triangle, 18-22
September 2023, Santiago de Compostela | null | null | P3H-24-016, TTP24-005 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This report summarises recent advances made in the calculation of the NNLO
QCD corrections to the width difference $\Delta\Gamma_s$ in the
$B_s-\overline{B}_s$ system. The inclusion of the effects due to
current-current operators leads to an updated prediction of $\Delta\Gamma_s =
(0.076\pm 0.017)\,\text{ps}^{-1}$, w... | [
{
"created": "Wed, 13 Mar 2024 07:51:26 GMT",
"version": "v1"
}
] | 2024-03-14 | [
[
"Gerlach",
"Marvin",
""
],
[
"Nierste",
"Ulrich",
""
],
[
"Reeck",
"Pascal",
""
],
[
"Shtabovenko",
"Vladyslav",
""
],
[
"Steinhauser",
"Matthias",
""
]
] | This report summarises recent advances made in the calculation of the NNLO QCD corrections to the width difference $\Delta\Gamma_s$ in the $B_s-\overline{B}_s$ system. The inclusion of the effects due to current-current operators leads to an updated prediction of $\Delta\Gamma_s = (0.076\pm 0.017)\,\text{ps}^{-1}$, whi... |
2211.07674 | Camellia Bose | Amit Adhikary, Shankha Banerjee, Rahool Kumar Barman, Brian Batell,
Biplob Bhattacherjee, Camellia Bose, Zhuoni Qian, Michael Spannowsky | Prospects for exotic $h\rightarrow 4 \tau$ decays in single and di-Higgs
boson production at the LHC and future hadron colliders | 59 pages, 18 figures, 15 tables | null | 10.1103/PhysRevD.109.055008 | null | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | We study the prospects for observing exotic decays of the Standard Model
Higgs boson $h$ into light beyond the Standard Model scalars $a$ with mass
$m_{a} \lesssim m_{h}/2$ in the single Higgs and Higgs pair production channels
at the high luminosity run of the Large Hadron Collider (HL-LHC). Discovery
prospects for ... | [
{
"created": "Mon, 14 Nov 2022 19:00:17 GMT",
"version": "v1"
},
{
"created": "Sat, 23 Mar 2024 08:20:18 GMT",
"version": "v2"
}
] | 2024-03-26 | [
[
"Adhikary",
"Amit",
""
],
[
"Banerjee",
"Shankha",
""
],
[
"Barman",
"Rahool Kumar",
""
],
[
"Batell",
"Brian",
""
],
[
"Bhattacherjee",
"Biplob",
""
],
[
"Bose",
"Camellia",
""
],
[
"Qian",
"Zhuoni",
""
... | We study the prospects for observing exotic decays of the Standard Model Higgs boson $h$ into light beyond the Standard Model scalars $a$ with mass $m_{a} \lesssim m_{h}/2$ in the single Higgs and Higgs pair production channels at the high luminosity run of the Large Hadron Collider (HL-LHC). Discovery prospects for si... |
1501.06229 | Yuki Adachi | Yuki Adachi and Nobuhito Maru | $H \to b \bar{b}, \tau \bar{\tau}$ in Gauge-Higgs Unification | 7 pages, 2 figures | null | null | OCU-PHYS 418 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the deviation of Higgs production through the gluon fusion process
and the decay of Higgs boson to the bottom quark and the tau lepton in
gauge-Higgs unification from the Standard Model prediction. We find that the
signal strength of $gg \to H \to b\bar{b}, \tau\bar{\tau}$ is necessarily
suppressed comparing... | [
{
"created": "Mon, 26 Jan 2015 01:37:25 GMT",
"version": "v1"
}
] | 2015-01-27 | [
[
"Adachi",
"Yuki",
""
],
[
"Maru",
"Nobuhito",
""
]
] | We study the deviation of Higgs production through the gluon fusion process and the decay of Higgs boson to the bottom quark and the tau lepton in gauge-Higgs unification from the Standard Model prediction. We find that the signal strength of $gg \to H \to b\bar{b}, \tau\bar{\tau}$ is necessarily suppressed comparing t... |
0707.1427 | Brigitte Hiller | Alexander A. Osipov, Brigitte Hiller, Alex H. Blin | Analytic perturbation theory versus 1/N expansion in the Gross-Neveu
model | Latex, 3 figures, 4 pages | Phys.Lett.B653:346-349,2007 | 10.1016/j.physletb.2007.08.020 | null | hep-ph hep-th | null | The 1/N expansion can be successfully used to calculate the Green functions
of the two-dimensional O(2N) Gross - Neveu model. In parallel, the methods of
analytic perturbation theory are also applied. Comparing the results of these
two calculations at leading order, we report on the surprising agreement
between them.... | [
{
"created": "Tue, 10 Jul 2007 12:41:28 GMT",
"version": "v1"
}
] | 2007-09-20 | [
[
"Osipov",
"Alexander A.",
""
],
[
"Hiller",
"Brigitte",
""
],
[
"Blin",
"Alex H.",
""
]
] | The 1/N expansion can be successfully used to calculate the Green functions of the two-dimensional O(2N) Gross - Neveu model. In parallel, the methods of analytic perturbation theory are also applied. Comparing the results of these two calculations at leading order, we report on the surprising agreement between them. |
1205.2875 | Shuai Liu | Shuai Liu, Yajun Mao, Yong Ban, Pietro Govoni, Qiang Li, Chayanit
Asawatangtrakuldee, Zijun Xu | Probing New Physics via pp-> W+W- -> lvjj at the CERN LHC | 13 pages, 6 figures, 2 tables | null | 10.1103/PhysRevD.86.074010 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | TeV scale new Physics, e.g., Large Extra Dimensions or Models with anomalous
triple vector boson couplings, can lead to excesses in various kinematic
regions on the semi-leptonic productions of pp -> WW -> lvjj at the CERN LHC,
which, although suffers from large QCD background compared with the pure
leptonic channel,... | [
{
"created": "Sun, 13 May 2012 15:17:56 GMT",
"version": "v1"
}
] | 2013-05-30 | [
[
"Liu",
"Shuai",
""
],
[
"Mao",
"Yajun",
""
],
[
"Ban",
"Yong",
""
],
[
"Govoni",
"Pietro",
""
],
[
"Li",
"Qiang",
""
],
[
"Asawatangtrakuldee",
"Chayanit",
""
],
[
"Xu",
"Zijun",
""
]
] | TeV scale new Physics, e.g., Large Extra Dimensions or Models with anomalous triple vector boson couplings, can lead to excesses in various kinematic regions on the semi-leptonic productions of pp -> WW -> lvjj at the CERN LHC, which, although suffers from large QCD background compared with the pure leptonic channel, c... |
hep-ph/0101067 | null | Jeffrey A. Bowers (MIT), Joydip Kundu (MIT), Krishna Rajagopal (MIT),
Eugene Shuster (MIT) | A Diagrammatic Approach to Crystalline Color Superconductivity | 15 pages. 2 eps figures | Phys.Rev. D64 (2001) 014024 | 10.1103/PhysRevD.64.014024 | MIT-CTP-3071 | hep-ph nucl-th | null | We present a derivation of the gap equation for the crystalline color
superconducting phase of QCD which begins from a one-loop Schwinger-Dyson
equation written using a Nambu-Gorkov propagator modified to describe the
spatially varying condensate. Some aspects of previous variational calculations
become more straight... | [
{
"created": "Mon, 8 Jan 2001 20:19:37 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Bowers",
"Jeffrey A.",
"",
"MIT"
],
[
"Kundu",
"Joydip",
"",
"MIT"
],
[
"Rajagopal",
"Krishna",
"",
"MIT"
],
[
"Shuster",
"Eugene",
"",
"MIT"
]
] | We present a derivation of the gap equation for the crystalline color superconducting phase of QCD which begins from a one-loop Schwinger-Dyson equation written using a Nambu-Gorkov propagator modified to describe the spatially varying condensate. Some aspects of previous variational calculations become more straightfo... |
1403.3581 | Roman Yaresko | R. Yaresko, B. Kampfer | Bulk viscosity of the gluon plasma in a holographic approach | null | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A gravity-scalar model in 5-dim. Riemann space is adjusted to the
thermodynamics of SU(3) gauge field theory in the temperature range 1 - 10
$T/T_c$ to calculate holographically the bulk viscosity in 4-dim. Minkowski
space. Various settings are compared, and it is argued that, upon an adjustment
of the scalar potenti... | [
{
"created": "Fri, 14 Mar 2014 13:53:59 GMT",
"version": "v1"
}
] | 2014-03-17 | [
[
"Yaresko",
"R.",
""
],
[
"Kampfer",
"B.",
""
]
] | A gravity-scalar model in 5-dim. Riemann space is adjusted to the thermodynamics of SU(3) gauge field theory in the temperature range 1 - 10 $T/T_c$ to calculate holographically the bulk viscosity in 4-dim. Minkowski space. Various settings are compared, and it is argued that, upon an adjustment of the scalar potential... |
2402.05170 | Melissa Van Beekveld | Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi, Jack
Helliwell, Alexander Karlberg, Pier Francesco Monni | Two-loop anomalous dimensions for small-$R$ jet versus hadronic
fragmentation functions | Added discussion on running-coupling effects | null | null | CERN-TH-2023-224, OUTP-24-02P, Nikhef 2024-001 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We study the collinear fragmentation of highly energetic jets defined with a
small jet radius. In particular, we investigate how the corresponding
fragmentation functions differ from their hadronic counterpart defined in the
common $\overline{\rm MS}$ scheme. We find that the anomalous dimensions
governing the pertur... | [
{
"created": "Wed, 7 Feb 2024 19:00:01 GMT",
"version": "v1"
},
{
"created": "Mon, 19 Feb 2024 19:43:54 GMT",
"version": "v2"
},
{
"created": "Tue, 23 Apr 2024 15:35:08 GMT",
"version": "v3"
}
] | 2024-04-24 | [
[
"van Beekveld",
"Melissa",
""
],
[
"Dasgupta",
"Mrinal",
""
],
[
"El-Menoufi",
"Basem Kamal",
""
],
[
"Helliwell",
"Jack",
""
],
[
"Karlberg",
"Alexander",
""
],
[
"Monni",
"Pier Francesco",
""
]
] | We study the collinear fragmentation of highly energetic jets defined with a small jet radius. In particular, we investigate how the corresponding fragmentation functions differ from their hadronic counterpart defined in the common $\overline{\rm MS}$ scheme. We find that the anomalous dimensions governing the perturba... |
1807.05776 | Yan-Bing Wei | Yan-Bing Wei, Run-Hui Li, Dan Luo, Cai-Dian L\"u and Yue-Long Shen | Exclusive production of $B_c$ mesons in $e^+e^-$ colliders | null | Chin. Phys. C42 (2018) 083107 | 10.1088/1674-1137/42/8/083107 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Within the framework of the perturbative QCD approach, we calculate the
time-like $B_cB_c(B_c^*)$ form factors $F(Q^2)$ and $A_2(Q^2)$. We include
relativistic corrections and QCD corrections, either of which can give about
$20\%$ correction to the leading-order contribution, but there are cancellation
effects betwee... | [
{
"created": "Mon, 16 Jul 2018 10:38:41 GMT",
"version": "v1"
}
] | 2018-07-18 | [
[
"Wei",
"Yan-Bing",
""
],
[
"Li",
"Run-Hui",
""
],
[
"Luo",
"Dan",
""
],
[
"Lü",
"Cai-Dian",
""
],
[
"Shen",
"Yue-Long",
""
]
] | Within the framework of the perturbative QCD approach, we calculate the time-like $B_cB_c(B_c^*)$ form factors $F(Q^2)$ and $A_2(Q^2)$. We include relativistic corrections and QCD corrections, either of which can give about $20\%$ correction to the leading-order contribution, but there are cancellation effects between ... |
hep-ph/9507334 | Wojtek Slominski | Wojciech Slominski and Jerzy Szwed | Higgs Boson Production and Weak Boson Structure | 8 pages, 3 figures, compressed uuencoded Postscript file | Z.Phys. C72 (1996) 87-90 | 10.1007/BF02909135 | DESY 95-135 | hep-ph | null | The influence of the QCD structure of the weak bosons on the Higgs boson
production in $e$-$p$ scattering is studied. The energy and Higgs boson mass
dependence of the cross-section, following from the new contributions, is
calculated.
| [
{
"created": "Tue, 18 Jul 1995 17:47:41 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Slominski",
"Wojciech",
""
],
[
"Szwed",
"Jerzy",
""
]
] | The influence of the QCD structure of the weak bosons on the Higgs boson production in $e$-$p$ scattering is studied. The energy and Higgs boson mass dependence of the cross-section, following from the new contributions, is calculated. |
hep-ph/0103031 | Shaaban Khalil | S. Abel, S. Khalil, and O. Lebedev | On the EDM Cancellations in D-brane models | 10 pages, to appear in Phys. Rev. Lett | Phys.Rev.Lett. 86 (2001) 5850-5853 | 10.1103/PhysRevLett.86.5850 | SUSX-TH/01-008 | hep-ph | null | We analyze the possibility of simultaneous electron, neutron, and mercury
electric dipole moment (EDM) cancellations in the mSUGRA and D--brane models.
We find that the mercury EDM constraint practically rules out the cancellation
scenario in D-brane models whereas in the context of mSUGRA it is still allowed
with so... | [
{
"created": "Fri, 2 Mar 2001 19:00:23 GMT",
"version": "v1"
},
{
"created": "Mon, 14 May 2001 11:01:09 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Abel",
"S.",
""
],
[
"Khalil",
"S.",
""
],
[
"Lebedev",
"O.",
""
]
] | We analyze the possibility of simultaneous electron, neutron, and mercury electric dipole moment (EDM) cancellations in the mSUGRA and D--brane models. We find that the mercury EDM constraint practically rules out the cancellation scenario in D-brane models whereas in the context of mSUGRA it is still allowed with some... |
1504.06432 | Kei Yagyu | Stefano Moretti, Diana Rojas, Kei Yagyu | Enhancement of the $H^\pm W^\mp Z$ vertex in the three scalar doublet
model | 33 pages, 24 figures, References added | null | 10.1007/JHEP08(2015)116 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We compute one-loop induced trilinear vertices with physical charged Higgs
bosons $H^\pm$ and ordinary gauge bosons, i.e., $H^\pm W^\mp Z$ and $H^\pm
W^\mp \gamma$, in the model with two active plus one inert scalar doublet
fields under a $Z_2(\text{unbroken})\times \tilde{Z}_2(\text{softly-broken})$
symmetry. The $Z... | [
{
"created": "Fri, 24 Apr 2015 09:11:58 GMT",
"version": "v1"
},
{
"created": "Fri, 1 May 2015 12:53:14 GMT",
"version": "v2"
}
] | 2015-09-30 | [
[
"Moretti",
"Stefano",
""
],
[
"Rojas",
"Diana",
""
],
[
"Yagyu",
"Kei",
""
]
] | We compute one-loop induced trilinear vertices with physical charged Higgs bosons $H^\pm$ and ordinary gauge bosons, i.e., $H^\pm W^\mp Z$ and $H^\pm W^\mp \gamma$, in the model with two active plus one inert scalar doublet fields under a $Z_2(\text{unbroken})\times \tilde{Z}_2(\text{softly-broken})$ symmetry. The $Z_2... |
hep-ph/9605287 | null | J. Rathsman, G. Ingelman | MAJOR 1.5 - A Monte Carlo Generator for Heavy Majorana Neutrinos in $ep$
Collisions | 13 pages LaTeX, 2 PostScript figures | Comput.Phys.Commun. 101 (1997) 143-154 | 10.1016/S0010-4655(96)00132-4 | DESY 96-059 | hep-ph | null | The Monte Carlo generator {\sc Major} 1.5 simulates the production and decay
of heavy Majorana neutrinos via lepton mixing or exchange of `light'
right-handed $W$-bosons in deep inelastic scattering, i.e. $e^{\pm} p
\rightarrow {N} X \rightarrow{e}^{\pm} W^{\mp} X$ or $\nu_e Z X$. Physics and
programming aspects are ... | [
{
"created": "Sun, 12 May 1996 13:20:00 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Rathsman",
"J.",
""
],
[
"Ingelman",
"G.",
""
]
] | The Monte Carlo generator {\sc Major} 1.5 simulates the production and decay of heavy Majorana neutrinos via lepton mixing or exchange of `light' right-handed $W$-bosons in deep inelastic scattering, i.e. $e^{\pm} p \rightarrow {N} X \rightarrow{e}^{\pm} W^{\mp} X$ or $\nu_e Z X$. Physics and programming aspects are de... |
hep-ph/0110141 | Narison | S. Narison (LPMT-Montpellier) and V.I. Zakharov (MPI-Munich) | Hints on the power corrections from current correlators in x-space | Some misprints corrected. 8 pages including 2 tables and 2 figures | Phys.Lett. B522 (2001) 266-272 | 10.1016/S0370-2693(01)01274-6 | null | hep-ph cond-mat hep-ex hep-lat hep-th nucl-th | null | We consider an interpretation of the recent lattice data on the
current-current correlators in the x-space. The data indicate rather striking
difference between (axial)vector and (pseudo)scalar channels which goes beyond
the predictions of the standard non-perturbative models. We argue that if the
difference is to be... | [
{
"created": "Wed, 10 Oct 2001 17:32:12 GMT",
"version": "v1"
},
{
"created": "Fri, 19 Oct 2001 15:22:11 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Narison",
"S.",
"",
"LPMT-Montpellier"
],
[
"Zakharov",
"V. I.",
"",
"MPI-Munich"
]
] | We consider an interpretation of the recent lattice data on the current-current correlators in the x-space. The data indicate rather striking difference between (axial)vector and (pseudo)scalar channels which goes beyond the predictions of the standard non-perturbative models. We argue that if the difference is to be e... |
0712.0386 | Luis Anchordoqui | Luis A. Anchordoqui, Haim Goldberg, Satoshi Nawata, Tomasz R. Taylor | Jet signals for low mass strings at the LHC | Matching version to be published in Phys. Rev. Lett | Phys.Rev.Lett.100:171603,2008 | 10.1103/PhysRevLett.100.171603 | MPP-2007-182; NUB-Th-3261 | hep-ph hep-th | null | The mass scale M_s of superstring theory is an arbitrary parameter that can
be as low as few TeVs if the Universe contains large extra dimensions. We
propose a search for the effects of Regge excitations of fundamental strings at
LHC, in the process p p \to \gamma jet. The underlying parton process is
dominantly the ... | [
{
"created": "Tue, 4 Dec 2007 20:07:44 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Apr 2008 01:22:57 GMT",
"version": "v2"
},
{
"created": "Tue, 22 Apr 2008 15:09:09 GMT",
"version": "v3"
}
] | 2008-11-26 | [
[
"Anchordoqui",
"Luis A.",
""
],
[
"Goldberg",
"Haim",
""
],
[
"Nawata",
"Satoshi",
""
],
[
"Taylor",
"Tomasz R.",
""
]
] | The mass scale M_s of superstring theory is an arbitrary parameter that can be as low as few TeVs if the Universe contains large extra dimensions. We propose a search for the effects of Regge excitations of fundamental strings at LHC, in the process p p \to \gamma jet. The underlying parton process is dominantly the si... |
2002.00203 | Mihail Chizhov | Mihail Chizhov and Momchil Naydenov | Mass prediction for the last discovered member of the axial-vector nonet
with quantum numbers J$^{PC}=1^{+-}$ | 8 pages, 3 figures | null | 10.1134/S0021364020150011 | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this paper we have shown that the novel mass relation among the vector
states, $\phi(1020)$ and $\phi(1680)$, with quantum numbers J$^{PC}=1^{--}$ and
axial-vector strangeonium state $h_1(s\bar{s})$ with quantum numbers $1^{+-}$
is also valid for nonzero current quark mass. This relation predicts the mass
of recen... | [
{
"created": "Sat, 1 Feb 2020 12:54:51 GMT",
"version": "v1"
}
] | 2020-08-26 | [
[
"Chizhov",
"Mihail",
""
],
[
"Naydenov",
"Momchil",
""
]
] | In this paper we have shown that the novel mass relation among the vector states, $\phi(1020)$ and $\phi(1680)$, with quantum numbers J$^{PC}=1^{--}$ and axial-vector strangeonium state $h_1(s\bar{s})$ with quantum numbers $1^{+-}$ is also valid for nonzero current quark mass. This relation predicts the mass of recentl... |
hep-ph/0512321 | Takahashi Hidenori | Hidenori Takahashi | Parity Violation in Chiral Symmetry Breaking and Neutrino | 3pages | null | null | null | hep-ph | null | I consider parity violation of the chiral symmetry broken vacuum. It is shown
that the parity of the true vacuum in the chiral symmetry breaking model is
violated. I propose new mechanism of massive neutrino, which the neutrinos have
mass in terms of the chiral symmetry breaking. In this mechanism, it may give
us new... | [
{
"created": "Sat, 24 Dec 2005 06:09:03 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Takahashi",
"Hidenori",
""
]
] | I consider parity violation of the chiral symmetry broken vacuum. It is shown that the parity of the true vacuum in the chiral symmetry breaking model is violated. I propose new mechanism of massive neutrino, which the neutrinos have mass in terms of the chiral symmetry breaking. In this mechanism, it may give us new u... |
hep-ph/9911237 | Yu. A. Simonov | Yu.A.Simonov (ITEP) | QCD and Theory of Hadrons | LaTeX2e, 51 pages, 6 figures, Lectures given at the XVII
International School of Physics "QCD: Perturbative or Nonperturbative",
Lisbon, 29 September - 4 October 1999 | null | null | null | hep-ph | null | Nonperturbative QCD approach is systematically derived starting from the QCD
Lagrangian. Treating spin effects as a perturbation, one obtains the universal
effective Hamiltonian describing mesons, hybrids and glueballs.
Constituent mass of quark and gluon is calculated via string tension. The
resulting spectrum of ... | [
{
"created": "Thu, 4 Nov 1999 12:37:14 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Dec 1999 16:20:53 GMT",
"version": "v2"
},
{
"created": "Fri, 28 Jan 2000 18:06:33 GMT",
"version": "v3"
}
] | 2007-05-23 | [
[
"Simonov",
"Yu. A.",
"",
"ITEP"
]
] | Nonperturbative QCD approach is systematically derived starting from the QCD Lagrangian. Treating spin effects as a perturbation, one obtains the universal effective Hamiltonian describing mesons, hybrids and glueballs. Constituent mass of quark and gluon is calculated via string tension. The resulting spectrum of meso... |
1006.5276 | Steen Hannestad | Jan Hamann, Steen Hannestad, Georg G. Raffelt, Irene Tamborra, Yvonne
Y.Y. Wong | Cosmology seeking friendship with sterile neutrinos | 4 pages, 1 figure, matches version published in PRL | Phys.Rev.Lett.105:181301,2010 | 10.1103/PhysRevLett.105.181301 | MPP-2010-73, TTK-10-36 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Precision cosmology and big-bang nucleosynthesis mildly favor extra radiation
in the universe beyond photons and ordinary neutrinos, lending support to the
existence of low-mass sterile neutrinos. We use the WMAP 7-year data,
small-scale CMB observations from ACBAR, BICEP and QuAD, the SDSS 7th data
release, and meas... | [
{
"created": "Mon, 28 Jun 2010 06:50:21 GMT",
"version": "v1"
},
{
"created": "Tue, 26 Oct 2010 09:50:27 GMT",
"version": "v2"
}
] | 2010-10-27 | [
[
"Hamann",
"Jan",
""
],
[
"Hannestad",
"Steen",
""
],
[
"Raffelt",
"Georg G.",
""
],
[
"Tamborra",
"Irene",
""
],
[
"Wong",
"Yvonne Y. Y.",
""
]
] | Precision cosmology and big-bang nucleosynthesis mildly favor extra radiation in the universe beyond photons and ordinary neutrinos, lending support to the existence of low-mass sterile neutrinos. We use the WMAP 7-year data, small-scale CMB observations from ACBAR, BICEP and QuAD, the SDSS 7th data release, and measur... |
1101.4758 | Florian Domingo | Florian Domingo and Teresa Lenz | W mass and Leptonic Z-decays in the NMSSM | 25 pages, 12 figures | null | 10.1007/JHEP07(2011)101 | TTP11-01, SFB/CPP-11-03 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a subset of electroweak-precision observables consisting of $M_W$,
$\sin^2\theta_{{\tiny eff}}^{\tau}$, $BR(Z\to\tau^+\tau^-)$ and
$\Gamma(Z\to\tau^+\tau^-)/\Gamma(Z\to e^+e^-)-1$ (characterizing leptonic
$Z$-decays) in the context of the NMSSM. After a brief review of common
MSSM-NMSSM effects, e.g. for $\G... | [
{
"created": "Tue, 25 Jan 2011 09:53:32 GMT",
"version": "v1"
}
] | 2015-05-27 | [
[
"Domingo",
"Florian",
""
],
[
"Lenz",
"Teresa",
""
]
] | We study a subset of electroweak-precision observables consisting of $M_W$, $\sin^2\theta_{{\tiny eff}}^{\tau}$, $BR(Z\to\tau^+\tau^-)$ and $\Gamma(Z\to\tau^+\tau^-)/\Gamma(Z\to e^+e^-)-1$ (characterizing leptonic $Z$-decays) in the context of the NMSSM. After a brief review of common MSSM-NMSSM effects, e.g. for $\Gam... |
hep-ph/0303157 | Bogdan Mihaila | Bogdan Mihaila | Real-time dynamics of the O(N) model in 1+1 dimensions | 6 pages, 5 figures | Phys.Rev. D68 (2003) 036002 | 10.1103/PhysRevD.68.036002 | LAUR 03-1817 | hep-ph | null | We study the non-equilibrium dynamics of the O(N) model in classical and
quantum field theory in 1+1 dimensions, for N > 1. We compare numerical results
obtained using the Hartree approximation and two next to leading order
approximations, the bare vertex approximation and the 2PI-1/N expansion. The
later approximati... | [
{
"created": "Tue, 18 Mar 2003 21:10:29 GMT",
"version": "v1"
}
] | 2009-11-10 | [
[
"Mihaila",
"Bogdan",
""
]
] | We study the non-equilibrium dynamics of the O(N) model in classical and quantum field theory in 1+1 dimensions, for N > 1. We compare numerical results obtained using the Hartree approximation and two next to leading order approximations, the bare vertex approximation and the 2PI-1/N expansion. The later approximation... |
hep-ph/9903338 | Elena Ferreiro | A. Capella, E. G. Ferreiro and A. B. Kaidalov | Event-by-event fluctuations in heavy-ion collisions and the quark-gluon
string model | 17 pages, 2 postscript figures | Eur.Phys.J.C11:163-167,1999 | null | LPT Orsay 99/19 | hep-ph | null | We apply dynamical string models of heavy-ions collisions at high energies to
the analysis of event-by-event fluctuations. Main attention is devoted to a new
variable proposed to study "equilibration" in heavy-ions collisions. Recent
results of the NA49 collaboration at CERN SPS are compared with predictions of
the Q... | [
{
"created": "Fri, 12 Mar 1999 14:42:28 GMT",
"version": "v1"
}
] | 2011-09-13 | [
[
"Capella",
"A.",
""
],
[
"Ferreiro",
"E. G.",
""
],
[
"Kaidalov",
"A. B.",
""
]
] | We apply dynamical string models of heavy-ions collisions at high energies to the analysis of event-by-event fluctuations. Main attention is devoted to a new variable proposed to study "equilibration" in heavy-ions collisions. Recent results of the NA49 collaboration at CERN SPS are compared with predictions of the Qua... |
1705.07743 | Jan Hajer | Chuan-Ren Chen, Jan Hajer, Tao Liu, Ian Low and Hao Zhang | Testing Naturalness | 20 pages, 7 figures, 2 tables | null | 10.1007/JHEP09(2017)129 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Solutions to the electroweak hierarchy problem typically introduce a new
symmetry to stabilize the quadratic ultraviolet sensitivity in the self-energy
of the Higgs boson. The new symmetry is either broken softly or collectively,
as for example in supersymmetric and little Higgs theories. At low energies
such theorie... | [
{
"created": "Mon, 22 May 2017 13:46:00 GMT",
"version": "v1"
}
] | 2017-10-25 | [
[
"Chen",
"Chuan-Ren",
""
],
[
"Hajer",
"Jan",
""
],
[
"Liu",
"Tao",
""
],
[
"Low",
"Ian",
""
],
[
"Zhang",
"Hao",
""
]
] | Solutions to the electroweak hierarchy problem typically introduce a new symmetry to stabilize the quadratic ultraviolet sensitivity in the self-energy of the Higgs boson. The new symmetry is either broken softly or collectively, as for example in supersymmetric and little Higgs theories. At low energies such theories ... |
hep-ph/9305270 | null | C. Kao, G.A. Ladinsky and C.-P. Yuan | Leading Electroweak Corrections to the Production of Heavy Top Quarks at
Hadron Colliders | 22 pages, FSU-HEP-930508 and MSUHEP-93/04 (PHYZZX, additional 15
pages of uuencode figures; Fig. 1 available by request) | null | null | null | hep-ph | null | We calculate the electroweak corrections of the order $O({m_t^2\over v^2})$
to the QCD production of $t\bar{t}$ pairs via $q+qbar->t+tbar$ at hadron
colliders and show that these corrections to the total production rate are
small. This correction can be characterized as increasing the cross section
most near the thre... | [
{
"created": "Fri, 14 May 1993 17:19:50 GMT",
"version": "v1"
}
] | 2009-09-25 | [
[
"Kao",
"C.",
""
],
[
"Ladinsky",
"G. A.",
""
],
[
"Yuan",
"C. -P.",
""
]
] | We calculate the electroweak corrections of the order $O({m_t^2\over v^2})$ to the QCD production of $t\bar{t}$ pairs via $q+qbar->t+tbar$ at hadron colliders and show that these corrections to the total production rate are small. This correction can be characterized as increasing the cross section most near the thresh... |
2006.12348 | Gongjun Choi | Gongjun Choi, Motoo Suzuki, Tsutomu T. Yanagida | XENON1T Anomaly and its Implication for Decaying Warm Dark Matter | 5 pages, 3 figures | Phys.Lett.B 811 (2020) 135976 | 10.1016/j.physletb.2020.135976 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | An excess in the electronic recoil data was observed in the XENON1T detector.
One of plausible explanations for the excess is absorption of a vector bosonic
particle with the mass of $2-3\,{\rm keV}$. For this, the kinetic mixing
$\kappa\!\sim\!10^{-15}$ of the dark photon with the photon is required if the
dark phot... | [
{
"created": "Mon, 22 Jun 2020 15:46:01 GMT",
"version": "v1"
}
] | 2020-12-02 | [
[
"Choi",
"Gongjun",
""
],
[
"Suzuki",
"Motoo",
""
],
[
"Yanagida",
"Tsutomu T.",
""
]
] | An excess in the electronic recoil data was observed in the XENON1T detector. One of plausible explanations for the excess is absorption of a vector bosonic particle with the mass of $2-3\,{\rm keV}$. For this, the kinetic mixing $\kappa\!\sim\!10^{-15}$ of the dark photon with the photon is required if the dark photon... |
0802.3655 | Kuang-Ta Chao | Yu-Jie Zhang, Yan-Qing Ma, Kuang-Ta Chao | Factorization and NLO QCD correction in e^+ e^- \to J/\psi (\psi(2S))+
\chi_{c0} at B Factories} | Version published in PRD, implications from eq.(5) on factorization
are emphasized, references are added | Phys.Rev.D78:054006,2008 | 10.1103/PhysRevD.78.054006 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In nonrelativistic QCD (NRQCD), we study $e^+ e^- \to J/\psi(\psi(2S))
+\chi_{c0}$ at $B$ factories, where the P-wave state $\chi_{c0}$ is associated
with an S-wave state $J/\psi$ or $\psi(2S)$. In contrast to the failure of
factorization in most cases involving P-wave states, e.g. in B decays, we find
that factoriza... | [
{
"created": "Mon, 25 Feb 2008 16:59:01 GMT",
"version": "v1"
},
{
"created": "Tue, 9 Sep 2008 16:56:29 GMT",
"version": "v2"
}
] | 2009-01-08 | [
[
"Zhang",
"Yu-Jie",
""
],
[
"Ma",
"Yan-Qing",
""
],
[
"Chao",
"Kuang-Ta",
""
]
] | In nonrelativistic QCD (NRQCD), we study $e^+ e^- \to J/\psi(\psi(2S)) +\chi_{c0}$ at $B$ factories, where the P-wave state $\chi_{c0}$ is associated with an S-wave state $J/\psi$ or $\psi(2S)$. In contrast to the failure of factorization in most cases involving P-wave states, e.g. in B decays, we find that factorizati... |
hep-ph/0606217 | Carlos A. Salgado | L. Maiani, A.D. Polosa, V. Riquer and C.A. Salgado | Counting valence quarks at RHIC and LHC | 14 pages, 11 eps figures, added figures and minor corrections, to
appear in Phys. Lett. B | Phys.Lett.B645:138-145,2007 | 10.1016/j.physletb.2006.11.072 | Roma1-1432/2006 | hep-ph | null | We consider the Nuclear Modification Ratios in heavy ion collisions, R_CP and
R_AA, in the region of intermediate transverse momentum, and study the
dependency upon the constituent quark composition of the observed hadron.
Adopting a two component recombination/fragmentation model, validated by
experimental informati... | [
{
"created": "Tue, 20 Jun 2006 15:35:06 GMT",
"version": "v1"
},
{
"created": "Tue, 5 Dec 2006 14:11:29 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Maiani",
"L.",
""
],
[
"Polosa",
"A. D.",
""
],
[
"Riquer",
"V.",
""
],
[
"Salgado",
"C. A.",
""
]
] | We consider the Nuclear Modification Ratios in heavy ion collisions, R_CP and R_AA, in the region of intermediate transverse momentum, and study the dependency upon the constituent quark composition of the observed hadron. Adopting a two component recombination/fragmentation model, validated by experimental information... |
1108.0115 | Antonio Enrique Carcamo Hernandez acarcamo | A. E. C\'arcamo Hern\'andez | Composite Vectors and Scalars in Theories of Electroweak Symmetry
Breaking | PhD Thesis defended at the Scuola Normale Superiore Di Pisa on 27th
of January of 2011 | null | null | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/3.0/ | In the context of a strongly coupled Electroweak Symmetry Breaking, composite
triplet of heavy vectors belonging to the $SU(2)_{L+R}$ adjoint representation
and a composite scalar singlet under $SU(2)_{L+R}$ may arise from a new strong
interaction invariant under the global $SU(2)_L\times SU(2)_R$ symmetry, which
is ... | [
{
"created": "Sat, 30 Jul 2011 21:44:15 GMT",
"version": "v1"
}
] | 2011-08-02 | [
[
"Hernández",
"A. E. Cárcamo",
""
]
] | In the context of a strongly coupled Electroweak Symmetry Breaking, composite triplet of heavy vectors belonging to the $SU(2)_{L+R}$ adjoint representation and a composite scalar singlet under $SU(2)_{L+R}$ may arise from a new strong interaction invariant under the global $SU(2)_L\times SU(2)_R$ symmetry, which is sp... |
1908.08964 | Juan Carlos Criado | Juan Carlos Criado, Manuel Perez-Victoria | Vector-like quarks with non-renormalizable interactions | 51 pages | null | 10.1007/JHEP01(2020)057 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the impact of the leading non-renormalizable terms in the effective
field theory that describes general extensions of the Standard Model with
vector-like quarks. Dropping the usual assumption of renormalizability has
several phenomenological consequences for the production and decay of the heavy
quarks and a... | [
{
"created": "Fri, 23 Aug 2019 18:06:22 GMT",
"version": "v1"
}
] | 2020-01-29 | [
[
"Criado",
"Juan Carlos",
""
],
[
"Perez-Victoria",
"Manuel",
""
]
] | We study the impact of the leading non-renormalizable terms in the effective field theory that describes general extensions of the Standard Model with vector-like quarks. Dropping the usual assumption of renormalizability has several phenomenological consequences for the production and decay of the heavy quarks and als... |
2301.10849 | Petr Jakub\v{c}\'ik | Thomas Gehrmann, Petr Jakub\v{c}\'ik, Cesare Carlo Mella, Nikolaos
Syrrakos, Lorenzo Tancredi | Two-loop helicity amplitudes for $H+$jet production to higher orders in
the dimensional regulator | 32 pages; 3 figures, 3 tables; ancillary files with results in
Mathematica format; v2 Fixed typos in Section 5 and unified the integration
measure in Appendix B and the ancillary files, version accepted for
publication in JHEP; v3 Fixed typos in formulas 5.5, 5.9, and A.2-A.4; in
anc/, the colour layer "F2" was... | J. High Energ. Phys. 2023, 16 (2023) | 10.1007/JHEP04(2023)016 | ZU-TH 07/23, TUM-HEP 1451/23 | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In view of the forthcoming High-Luminosity phase of the LHC,
next-to-next-to-next-to-leading (N$^3$LO) calculations for the most
phenomenologically relevant processes become necessary. In this work, we take
the first step towards this goal for H$+$jet production by computing the one-
and two-loop helicity amplitudes ... | [
{
"created": "Wed, 25 Jan 2023 22:17:14 GMT",
"version": "v1"
},
{
"created": "Tue, 4 Apr 2023 09:07:21 GMT",
"version": "v2"
},
{
"created": "Wed, 6 Dec 2023 15:32:58 GMT",
"version": "v3"
}
] | 2023-12-07 | [
[
"Gehrmann",
"Thomas",
""
],
[
"Jakubčík",
"Petr",
""
],
[
"Mella",
"Cesare Carlo",
""
],
[
"Syrrakos",
"Nikolaos",
""
],
[
"Tancredi",
"Lorenzo",
""
]
] | In view of the forthcoming High-Luminosity phase of the LHC, next-to-next-to-next-to-leading (N$^3$LO) calculations for the most phenomenologically relevant processes become necessary. In this work, we take the first step towards this goal for H$+$jet production by computing the one- and two-loop helicity amplitudes fo... |
hep-ph/0109055 | Jia-Sheng Xu | J. P. Ma (ITP), Jia-Sheng Xu (CCAST & Itp) | Exclusive Decay of $1^{--}$ Quarkonia and $B_c$ Meson into a Lepton Pair
Combined with Two Pions | 19 pages, Latex 2e file, 12 EPS figures (included). Replaced with
version to appear in Eur. Phys. J. C,published online: 8 May 2002 | null | 10.1007/s100520200947 | AS-ITP-2001-016 | hep-ph | null | We study the exclusive decay of $J/\Psi$, $\Upsilon$ and $B_c$ into a lepton
pair combined with two pions in the two kinematic regions. One is specified by
the two pions having large momenta, but a small invariant mass. The other is
specified by the two pions having small momenta. In both cases we find that in
the he... | [
{
"created": "Fri, 7 Sep 2001 13:31:54 GMT",
"version": "v1"
},
{
"created": "Mon, 13 May 2002 08:20:40 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Ma",
"J. P.",
"",
"ITP"
],
[
"Xu",
"Jia-Sheng",
"",
"CCAST & Itp"
]
] | We study the exclusive decay of $J/\Psi$, $\Upsilon$ and $B_c$ into a lepton pair combined with two pions in the two kinematic regions. One is specified by the two pions having large momenta, but a small invariant mass. The other is specified by the two pions having small momenta. In both cases we find that in the heav... |
hep-ph/0508217 | Antonio Pineda | Francisco Campanario and Antonio Pineda | Fit to the Bjorken, Ellis-Jaffe and Gross-Llewellyn-Smith sum rules in a
renormalon based approach | 23 pages, 18 figures, one reference added, journal version | Phys.Rev. D72 (2005) 056008 | 10.1103/PhysRevD.72.056008 | UB-ECM-PF-05-17 | hep-ph hep-ex nucl-ex nucl-th | null | We study the large order behaviour in perturbation theory of the Bjorken,
Ellis-Jaffe and Gross-Llewellyn-Smith sum rules. In particular, we consider
their first infrared renormalons, for which we obtain their analytic structure
with logarithmic accuracy and also an approximate determination of their
normalization co... | [
{
"created": "Sat, 20 Aug 2005 08:24:27 GMT",
"version": "v1"
},
{
"created": "Sat, 1 Oct 2005 07:15:34 GMT",
"version": "v2"
}
] | 2016-09-06 | [
[
"Campanario",
"Francisco",
""
],
[
"Pineda",
"Antonio",
""
]
] | We study the large order behaviour in perturbation theory of the Bjorken, Ellis-Jaffe and Gross-Llewellyn-Smith sum rules. In particular, we consider their first infrared renormalons, for which we obtain their analytic structure with logarithmic accuracy and also an approximate determination of their normalization cons... |
2007.12380 | Alessio Mangoni PhD | Rinaldo Baldini Ferroli, Alessio Mangoni, Simone Pacetti | The cross section of $e^+e^- \to \Lambda \overline \Sigma{}^0+{\rm
c.c.}$ as a litmus test of isospin violation in the decays of vector
charmonia into $\Lambda \overline \Sigma{}^0+{\rm c.c.}$ | 8 pages, 4 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Under the aegis of isospin conservation, the amplitudes in Born
approximation, i.e., considering the only one-photon-exchange mechanism, of the
decay $\psi\to \Lambda \overline \Sigma{}^0+{\rm c.c.}$, where $\psi$ is a
vector charmonium, and of the reaction $e^+e^- \to \Lambda \overline
\Sigma{}^0+{\rm c.c.}$ at the ... | [
{
"created": "Fri, 24 Jul 2020 07:09:29 GMT",
"version": "v1"
}
] | 2020-07-27 | [
[
"Ferroli",
"Rinaldo Baldini",
""
],
[
"Mangoni",
"Alessio",
""
],
[
"Pacetti",
"Simone",
""
]
] | Under the aegis of isospin conservation, the amplitudes in Born approximation, i.e., considering the only one-photon-exchange mechanism, of the decay $\psi\to \Lambda \overline \Sigma{}^0+{\rm c.c.}$, where $\psi$ is a vector charmonium, and of the reaction $e^+e^- \to \Lambda \overline \Sigma{}^0+{\rm c.c.}$ at the $\... |
1601.05255 | Sandeep Joshi | Sandeep Joshi and Sudhir R. Jain | Geometric phase for neutrino propagation in magnetic field | null | Phys. Lett. B 754 (2016) 135 | 10.1016/j.physletb.2016.01.023 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The geometric phase for neutrinos propagating in an adiabatically varying
magnetic field in matter is calculated. It is shown that for neutrino
propagation in sufficiently large magnetic field the neutrino eigenstates
develop a significant geometric phase. The geometric phase varies from 2$\pi$
for magnetic fields $\... | [
{
"created": "Wed, 20 Jan 2016 12:49:36 GMT",
"version": "v1"
}
] | 2016-02-17 | [
[
"Joshi",
"Sandeep",
""
],
[
"Jain",
"Sudhir R.",
""
]
] | The geometric phase for neutrinos propagating in an adiabatically varying magnetic field in matter is calculated. It is shown that for neutrino propagation in sufficiently large magnetic field the neutrino eigenstates develop a significant geometric phase. The geometric phase varies from 2$\pi$ for magnetic fields $\si... |
2206.14833 | Richard Ruiz | Richard Ruiz | Doubly Charged Higgs Boson Production at Hadron Colliders II: A Zee-Babu
Case Study | Journal version: add'l discussions on low-energy connections, results
unchanged. 51 pages (total), including appendices (6 pages), 11 tables, and 9
figures. New UFO available from FeynRules database
https://feynrules.irmp.ucl.ac.be/wiki/ZeeBabu and analysis code available
from gitlab
https://gitlab.cern.ch/ri... | JHEP 10 (2022) 200 | 10.1007/JHEP10(2022)200 | IFJPAN-IV-2022-10 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | Motivated by searches for so-called leptonic scalars at the LHC and the
recent measurement of the $W$ boson's mass at the Tevatron, we revisit the
phenomenology of the Zee-Babu model for neutrino masses and the ability to
differentiate it from the Type II Seesaw model at the LHC. We conclude that
this task is much mo... | [
{
"created": "Wed, 29 Jun 2022 18:00:28 GMT",
"version": "v1"
},
{
"created": "Wed, 2 Nov 2022 03:48:53 GMT",
"version": "v2"
}
] | 2022-11-03 | [
[
"Ruiz",
"Richard",
""
]
] | Motivated by searches for so-called leptonic scalars at the LHC and the recent measurement of the $W$ boson's mass at the Tevatron, we revisit the phenomenology of the Zee-Babu model for neutrino masses and the ability to differentiate it from the Type II Seesaw model at the LHC. We conclude that this task is much more... |
2002.10612 | C. Q. Geng | C.Q. Geng, Chong-Chung Lih, Chia-Wei Liu and Tien-Hsueh Tsai | Semileptonic decays of $\Lambda_c^+$ in dynamical approaches | 22 pages, 5 figures, revised version accepted by PRD | Phys. Rev. D 101, 094017 (2020) | 10.1103/PhysRevD.101.094017 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the semileptonic decays of $\Lambda_c^+ \to \Lambda(n)\ell^+
\nu_{\ell}$ in two relativistic dynamical approaches of the light-front
constituent quark model (LFCQM) and MIT bag model (MBM). By considering the
Fermi statistic between quarks and determining spin-flavor structures in
baryons along with the heli... | [
{
"created": "Tue, 25 Feb 2020 01:14:01 GMT",
"version": "v1"
},
{
"created": "Tue, 5 May 2020 01:56:01 GMT",
"version": "v2"
}
] | 2020-05-20 | [
[
"Geng",
"C. Q.",
""
],
[
"Lih",
"Chong-Chung",
""
],
[
"Liu",
"Chia-Wei",
""
],
[
"Tsai",
"Tien-Hsueh",
""
]
] | We study the semileptonic decays of $\Lambda_c^+ \to \Lambda(n)\ell^+ \nu_{\ell}$ in two relativistic dynamical approaches of the light-front constituent quark model (LFCQM) and MIT bag model (MBM). By considering the Fermi statistic between quarks and determining spin-flavor structures in baryons along with the helici... |
1103.4333 | V. Sreekanth | Jitesh R. Bhatt, Hiranmaya Mishra and V. Sreekanth | Shear viscosity, cavitation and hydrodynamics at LHC | 5 pages, 5 figures, to appear in Phys. Lett. B | Phys. Lett. B704, 486-489 (2011) | 10.1016/j.physletb.2011.09.052 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study evolution of quark-gluon matter in the ultrarelativistic heavy-ion
collisions within the frame work of relativistic second-order viscous
hydrodynamics. In particular, by using the various prescriptions of a
temperature-dependent shear viscosity to the entropy ratio, we show that the
hydrodynamic description ... | [
{
"created": "Tue, 22 Mar 2011 18:08:40 GMT",
"version": "v1"
},
{
"created": "Wed, 28 Sep 2011 06:56:53 GMT",
"version": "v2"
}
] | 2011-10-10 | [
[
"Bhatt",
"Jitesh R.",
""
],
[
"Mishra",
"Hiranmaya",
""
],
[
"Sreekanth",
"V.",
""
]
] | We study evolution of quark-gluon matter in the ultrarelativistic heavy-ion collisions within the frame work of relativistic second-order viscous hydrodynamics. In particular, by using the various prescriptions of a temperature-dependent shear viscosity to the entropy ratio, we show that the hydrodynamic description of... |
1009.0509 | Manimala Mitra | Ram Lal Awasthi, Sandhya Choubey, Manimala Mitra | Probing Seesaw in an Adjoint SUSY SU(5) Model at LHC | 19 pages, 4 figures | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The SU(5) GUT model extended with fermions in the adjoint $24_F$
representation predicts triplet fermions in the 100 GeV mass range, opening up
the possibility of testing seesaw at LHC. However, once the model is
supersymmerized, the triplet fermion mass is constrained to be close to the GUT
scale for the gauge coupl... | [
{
"created": "Thu, 2 Sep 2010 19:10:41 GMT",
"version": "v1"
}
] | 2010-09-03 | [
[
"Awasthi",
"Ram Lal",
""
],
[
"Choubey",
"Sandhya",
""
],
[
"Mitra",
"Manimala",
""
]
] | The SU(5) GUT model extended with fermions in the adjoint $24_F$ representation predicts triplet fermions in the 100 GeV mass range, opening up the possibility of testing seesaw at LHC. However, once the model is supersymmerized, the triplet fermion mass is constrained to be close to the GUT scale for the gauge couplin... |
1411.5889 | Floyd Stecker | Floyd W. Stecker (NASA/UCLA), Sean T. Scully (JMU), Stefano Liberati
(SISSA), and David Mattingly (UNH) | Searching for Traces of Planck-Scale Physics with High Energy Neutrinos | Matches version published in Phys. Rev. D 91, 045009 | Phys. Rev. D 91, 045009 (2015) | 10.1103/PhysRevD.91.045009 | null | hep-ph astro-ph.HE gr-qc | http://creativecommons.org/licenses/publicdomain/ | High energy cosmic neutrino observations provide a sensitive test of Lorentz
invariance violation, which may be a consequence of quantum gravity theories.
We consider a class of non-renormalizable, Lorentz invariance violating
operators that arise in an effective field theory description of Lorentz
invariance violati... | [
{
"created": "Fri, 21 Nov 2014 14:37:40 GMT",
"version": "v1"
},
{
"created": "Fri, 16 Jan 2015 14:45:56 GMT",
"version": "v2"
},
{
"created": "Mon, 9 Feb 2015 20:17:39 GMT",
"version": "v3"
}
] | 2015-03-05 | [
[
"Stecker",
"Floyd W.",
"",
"NASA/UCLA"
],
[
"Scully",
"Sean T.",
"",
"JMU"
],
[
"Liberati",
"Stefano",
"",
"SISSA"
],
[
"Mattingly",
"David",
"",
"UNH"
]
] | High energy cosmic neutrino observations provide a sensitive test of Lorentz invariance violation, which may be a consequence of quantum gravity theories. We consider a class of non-renormalizable, Lorentz invariance violating operators that arise in an effective field theory description of Lorentz invariance violation... |
hep-ph/9910538 | Luca Girlanda | Luca Girlanda (IPN-Orsay) | Measuring the quark condensate from the decays tau -> 3 pi + nu(tau) | contribution to QCD99, 4 pages, Latex, using espcrc2.sty (included),
2 PS figure | Nucl.Phys.Proc.Suppl. 86 (2000) 207-210 | 10.1016/S0920-5632(00)00565-X | IPNO-DR/99-24 | hep-ph | null | The possibility of detecting the S-wave of the decays tau -> 3 pi + nu(tau)
in the threshold region is explored, with emphasis on the sensitivity to the
size of the quark antiquark condensate <qq>.
| [
{
"created": "Thu, 28 Oct 1999 17:13:13 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Girlanda",
"Luca",
"",
"IPN-Orsay"
]
] | The possibility of detecting the S-wave of the decays tau -> 3 pi + nu(tau) in the threshold region is explored, with emphasis on the sensitivity to the size of the quark antiquark condensate <qq>. |
hep-ph/0506020 | Da-Xin Zhang | Rui Luo | An approximate solution for solar and supernova neutrino oscillation in
matter | 15 pages, 3 figures | null | null | null | hep-ph | null | By using Laplace transformation we developed an approximate solution to
describe neutrino oscillation probabilities in arbitrary density matter. We
show that this approximation solution is valid when matter potential V satisfy
$V< \Delta m^2/2E$ and $\int VL<1$, where $L$ is the length of the neutrino
oscillation . T... | [
{
"created": "Fri, 3 Jun 2005 07:11:58 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Luo",
"Rui",
""
]
] | By using Laplace transformation we developed an approximate solution to describe neutrino oscillation probabilities in arbitrary density matter. We show that this approximation solution is valid when matter potential V satisfy $V< \Delta m^2/2E$ and $\int VL<1$, where $L$ is the length of the neutrino oscillation . Thu... |
hep-ph/0308149 | Vladimir Galkin | D. Ebert, R. N. Faustov, V. O. Galkin | Weak decays of the B_c meson to B_s and B mesons in the relativistic
quark model | 24 pages, 12 figures, version to appear in Eur. Phys. J. C | Eur.Phys.J.C32:29-43,2003 | 10.1140/epjc/s2003-01347-5 | HU-EP-03/45 | hep-ph | null | Semileptonic and nonleptonic decays of the B_c meson to B_s and B mesons,
caused by the c\to s,d quark transitions, are studied in the framework of the
relativistic quark model. The heavy quark expansion in inverse powers of the
active c and spectator \bar b quark is used to simplify calculations while the
final s an... | [
{
"created": "Thu, 14 Aug 2003 07:12:46 GMT",
"version": "v1"
},
{
"created": "Fri, 3 Oct 2003 09:21:06 GMT",
"version": "v2"
}
] | 2011-03-23 | [
[
"Ebert",
"D.",
""
],
[
"Faustov",
"R. N.",
""
],
[
"Galkin",
"V. O.",
""
]
] | Semileptonic and nonleptonic decays of the B_c meson to B_s and B mesons, caused by the c\to s,d quark transitions, are studied in the framework of the relativistic quark model. The heavy quark expansion in inverse powers of the active c and spectator \bar b quark is used to simplify calculations while the final s and ... |
hep-ph/0505127 | Bo-Qiang Ma | Xun Chen, Yajun Mao, Bo-Qiang Ma | Parity-violating asymmetry of $W$ bosons produced in $p$-$p$ collisions | 11 Latex pages, 9 figures, final version to appear in NPA | Nucl.Phys. A759 (2005) 188-197 | 10.1016/j.nuclphysa.2005.05.146 | null | hep-ph hep-ex nucl-ex nucl-th | null | The parity-violating asymmetry is an ideal tool to study the quark helicity
distribution in the proton. We study the parity-violating asymmetry of
$W^{\pm}$ bosons produced by longitudinally polarized $p$-$p$ collision in
RHIC, based on predictions of quark distributions of the proton in the SU(6)
quark-spectator-diq... | [
{
"created": "Sat, 14 May 2005 03:12:25 GMT",
"version": "v1"
},
{
"created": "Wed, 13 Jul 2005 14:43:55 GMT",
"version": "v2"
}
] | 2009-11-11 | [
[
"Chen",
"Xun",
""
],
[
"Mao",
"Yajun",
""
],
[
"Ma",
"Bo-Qiang",
""
]
] | The parity-violating asymmetry is an ideal tool to study the quark helicity distribution in the proton. We study the parity-violating asymmetry of $W^{\pm}$ bosons produced by longitudinally polarized $p$-$p$ collision in RHIC, based on predictions of quark distributions of the proton in the SU(6) quark-spectator-diqua... |
1011.5011 | Krishna Kingkar Pathak | Krishna Kingkar Pathak and D. K. Choudhury | Open Flavour Charmed Mesons in a QCD Potential model | 10 pages, accepted to Pramana. arXiv admin note: text overlap with
arXiv:0908.2212, arXiv:1012.0666 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We modify the mesonic wavefunction by using a short distance scale r0 in
analogy with Hydrogen atom and estimate the values of masses and decay
constants of the open flavour charm mesons D, Ds and Bc within the framework of
a QCD Potential Model. We also calculate leptonic decay widths of these mesons
to study branch... | [
{
"created": "Tue, 23 Nov 2010 06:51:37 GMT",
"version": "v1"
},
{
"created": "Tue, 14 Dec 2010 11:28:28 GMT",
"version": "v2"
},
{
"created": "Mon, 14 May 2012 16:44:39 GMT",
"version": "v3"
}
] | 2012-05-15 | [
[
"Pathak",
"Krishna Kingkar",
""
],
[
"Choudhury",
"D. K.",
""
]
] | We modify the mesonic wavefunction by using a short distance scale r0 in analogy with Hydrogen atom and estimate the values of masses and decay constants of the open flavour charm mesons D, Ds and Bc within the framework of a QCD Potential Model. We also calculate leptonic decay widths of these mesons to study branchin... |
hep-ph/0303244 | Osman Yilmaz | C. Aydin and A. H. Yilmaz (Karadeniz Technical University,
Trabzon-Turkey) | QCD sum rule analysis of the coupling constants g_{\rho\eta\gamma} and
g_{\omega\eta\gamma} | 8 LateX pages, 5 ps figures | Acta Phys.Polon. B34 (2003) 4145-4150 | null | null | hep-ph | null | The coupling constants g$_{\rho\eta\gamma}$ and g$_{\omega\eta\gamma}$ are
calculated using QCD sum rules method by studying the three point
${\rho\eta\gamma}$ and ${\omega\eta\gamma}$ correlation functions. A comparison
of the results with the values of the coupling constants that are deduced from
the experimentally... | [
{
"created": "Fri, 28 Mar 2003 13:45:23 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Aydin",
"C.",
"",
"Karadeniz Technical University,\n Trabzon-Turkey"
],
[
"Yilmaz",
"A. H.",
"",
"Karadeniz Technical University,\n Trabzon-Turkey"
]
] | The coupling constants g$_{\rho\eta\gamma}$ and g$_{\omega\eta\gamma}$ are calculated using QCD sum rules method by studying the three point ${\rho\eta\gamma}$ and ${\omega\eta\gamma}$ correlation functions. A comparison of the results with the values of the coupling constants that are deduced from the experimentally m... |
2304.09893 | Julian Heeck | Julian Heeck, Jan Heisig, Anil Thapa | Testing Dirac leptogenesis with the cosmic microwave background and
proton decay | 11 pages; v3: more details and modified title, matches PRD version | Phys. Rev. D 108, 035014 (2023) | 10.1103/PhysRevD.108.035014 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The nature of neutrino masses and the matter-antimatter asymmetry of our
universe are two of the most important open problems in particle physics today
and are notoriously difficult to test with current technology. Dirac neutrinos
offer a solution through a leptogenesis mechanism that hinges on the smallness
of neutr... | [
{
"created": "Wed, 19 Apr 2023 18:00:02 GMT",
"version": "v1"
},
{
"created": "Mon, 1 May 2023 16:32:15 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Aug 2023 15:10:46 GMT",
"version": "v3"
}
] | 2023-08-10 | [
[
"Heeck",
"Julian",
""
],
[
"Heisig",
"Jan",
""
],
[
"Thapa",
"Anil",
""
]
] | The nature of neutrino masses and the matter-antimatter asymmetry of our universe are two of the most important open problems in particle physics today and are notoriously difficult to test with current technology. Dirac neutrinos offer a solution through a leptogenesis mechanism that hinges on the smallness of neutrin... |
hep-ph/0210214 | Steven D. Bass | Steven D. Bass | Transverse Momentum in Semi-Inclusive Polarized Deep Inelastic
Scattering and the Spin-Flavor Structure of the Proton | 4 pages, revtex style, 2 figures | Phys.Rev. D67 (2003) 097502 | 10.1103/PhysRevD.67.097502 | null | hep-ph | null | The non-valence spin-flavor structure of the nucleon extracted from
semi-inclusive measurements of polarized deep inelastic scattering depends
strongly on the transverse momentum of the detected hadrons which are used to
determine the individual polarized sea distributions. This physics may explain
the recent HERMES ... | [
{
"created": "Tue, 15 Oct 2002 16:12:14 GMT",
"version": "v1"
},
{
"created": "Thu, 17 Oct 2002 06:45:15 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Bass",
"Steven D.",
""
]
] | The non-valence spin-flavor structure of the nucleon extracted from semi-inclusive measurements of polarized deep inelastic scattering depends strongly on the transverse momentum of the detected hadrons which are used to determine the individual polarized sea distributions. This physics may explain the recent HERMES ob... |
2408.07255 | Bin Yan | Xin-Kai Wen, Bin Yan, Zhite Yu, C.-P. Yuan | Dihadron azimuthal asymmetry and light-quark dipole moments at the
Electron-Ion Collider | 6 pages, 2 figures | null | null | JLAB-THY-24-4136,MSUHEP-24-009 | hep-ph hep-ex nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We propose a novel method to probe light-quark dipole moments by examining
the azimuthal asymmetries between a collinear pair of hadrons in semi-inclusive
deep inelastic lepton scattering off an unpolarized proton target at the
Electron-Ion Collider. These asymmetries provide a means to observe
transversely polarized... | [
{
"created": "Wed, 14 Aug 2024 02:16:18 GMT",
"version": "v1"
}
] | 2024-08-15 | [
[
"Wen",
"Xin-Kai",
""
],
[
"Yan",
"Bin",
""
],
[
"Yu",
"Zhite",
""
],
[
"Yuan",
"C. -P.",
""
]
] | We propose a novel method to probe light-quark dipole moments by examining the azimuthal asymmetries between a collinear pair of hadrons in semi-inclusive deep inelastic lepton scattering off an unpolarized proton target at the Electron-Ion Collider. These asymmetries provide a means to observe transversely polarized q... |
hep-ph/9704245 | Nikolai Uraltsev | I. Bigi, M. Shifman, N. Uraltsev and A. Vainshtein | High Power n of m_b in Beauty Widths and n=5 -> oo Limit | 26 pages, 1 figure; plain LaTeX | Phys.Rev.D56:4017-4030,1997 | 10.1103/PhysRevD.56.4017 | CERN-TH/96-191, TPI-MINN-96/13-T, UMN-TH-1506-96, UND-HEP-97-BIG02 | hep-ph | null | The leading term in the semileptonic width of heavy flavor hadrons depends on
the fifth power of the heavy quark mass. We present an analysis where this
power can be self-consistently treated as a free parameter n and the width can
be studied in the limit n -> oo. The resulting expansion elucidates why the
small velo... | [
{
"created": "Sat, 5 Apr 1997 21:57:26 GMT",
"version": "v1"
}
] | 2010-04-06 | [
[
"Bigi",
"I.",
""
],
[
"Shifman",
"M.",
""
],
[
"Uraltsev",
"N.",
""
],
[
"Vainshtein",
"A.",
""
]
] | The leading term in the semileptonic width of heavy flavor hadrons depends on the fifth power of the heavy quark mass. We present an analysis where this power can be self-consistently treated as a free parameter n and the width can be studied in the limit n -> oo. The resulting expansion elucidates why the small veloci... |
2212.03083 | Souvik Priyam Adhya | Souvik Priyam Adhya, Carlos A. Salgado, Martin Spousta and Konrad
Tywoniuk | Multipartonic cascades in expanding media | 7 pages, 2 figs, Talk at Quark Matter 2022, Krakow; matches accepted
version in Acta Physica Polonica B | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | In this work, we introduce both gluon and quark degrees of freedom for
describing the partonic cascades inside the medium. We present numerical
solutions for the set of coupled evolution equations with splitting kernels
calculated for the static, exponential and Bjorken expanding media to arrive at
medium-modified pa... | [
{
"created": "Tue, 6 Dec 2022 15:52:26 GMT",
"version": "v1"
}
] | 2022-12-07 | [
[
"Adhya",
"Souvik Priyam",
""
],
[
"Salgado",
"Carlos A.",
""
],
[
"Spousta",
"Martin",
""
],
[
"Tywoniuk",
"Konrad",
""
]
] | In this work, we introduce both gluon and quark degrees of freedom for describing the partonic cascades inside the medium. We present numerical solutions for the set of coupled evolution equations with splitting kernels calculated for the static, exponential and Bjorken expanding media to arrive at medium-modified part... |
hep-ph/0002018 | Zhu Shou-hua | Chao-Shang Huang, Shou Hua Zhu (ITP, Beijing) | $B\to X_s\tau^+\tau^-$ in a CP spontaneously broken two Higgs doublet
model | 4 pages, to appear in the Proceeding of 3rd International Conference
on B Physics and CP Violation, Taipei, Taiwan, Dec. 3 - 7, 1999 | null | 10.1103/PhysRevD.61.119903 | null | hep-ph | null | The differential branching ratio, CP asymmetry and lepton polarization $P_N$
for $B\to ^M X_s\tau^+\tau^-$ in a CP spotaneously broken two Higgs doublet
model are compute d. ^M It is shown that contributions of neutral Higgs bosons
to the decay are ^M quite significant when $\tan\beta$ is large and $P_N$ can
reach fi... | [
{
"created": "Wed, 2 Feb 2000 04:52:42 GMT",
"version": "v1"
},
{
"created": "Sat, 12 Feb 2000 06:56:01 GMT",
"version": "v2"
},
{
"created": "Mon, 21 Feb 2000 08:15:35 GMT",
"version": "v3"
}
] | 2009-10-31 | [
[
"Huang",
"Chao-Shang",
"",
"ITP, Beijing"
],
[
"Zhu",
"Shou Hua",
"",
"ITP, Beijing"
]
] | The differential branching ratio, CP asymmetry and lepton polarization $P_N$ for $B\to ^M X_s\tau^+\tau^-$ in a CP spotaneously broken two Higgs doublet model are compute d. ^M It is shown that contributions of neutral Higgs bosons to the decay are ^M quite significant when $\tan\beta$ is large and $P_N$ can reach five... |
1605.01292 | Chandan Hati | Arnab Dasgupta, Chandan Hati, Sudhanwa Patra, Utpal Sarkar | A minimal model of TeV scale WIMPy leptogenesis | 6 pages, 6 figures | null | null | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a minimal framework of $U(1)_{B-L}$ gauge extension of the
Standard Model explaining dark matter abundance and matter-antimatter asymmetry
simultaneously through an attractive mechanism of TeV scale WIMPy leptogenesis,
testable at the current and next generation of colliders. This framework can
also explai... | [
{
"created": "Wed, 4 May 2016 14:29:55 GMT",
"version": "v1"
}
] | 2016-05-05 | [
[
"Dasgupta",
"Arnab",
""
],
[
"Hati",
"Chandan",
""
],
[
"Patra",
"Sudhanwa",
""
],
[
"Sarkar",
"Utpal",
""
]
] | We present a minimal framework of $U(1)_{B-L}$ gauge extension of the Standard Model explaining dark matter abundance and matter-antimatter asymmetry simultaneously through an attractive mechanism of TeV scale WIMPy leptogenesis, testable at the current and next generation of colliders. This framework can also explain ... |
hep-ph/9606327 | null | Isard Dunietz (Fermilab), Joseph Incandela (Fermilab), Frederick D.
Snider (The Johns Hopkins University), Kyuzo Tesima (Fujita Health
University), Isamu Watanabe (Akita Junior College) | Comments on Recent Measurements of R_c and R_b | RevTeX, 32 pages, 3 figures | null | null | null | hep-ph | null | Discrepancies between Standard Model predictions and experimental
measurements of the fractions R_c and R_b of hadronic Z decays to charm and
bottom are investigated. We show that there exists a discrepancy in two
complementary determinations of B(Bbar --> D X). Reducing the branching ratio
B(D0 --> K- Pi+) by about ... | [
{
"created": "Thu, 13 Jun 1996 19:28:50 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Dunietz",
"Isard",
"",
"Fermilab"
],
[
"Incandela",
"Joseph",
"",
"Fermilab"
],
[
"Snider",
"Frederick D.",
"",
"The Johns Hopkins University"
],
[
"Tesima",
"Kyuzo",
"",
"Fujita Health\n University"
],
[
"Watanabe",
"Isamu"... | Discrepancies between Standard Model predictions and experimental measurements of the fractions R_c and R_b of hadronic Z decays to charm and bottom are investigated. We show that there exists a discrepancy in two complementary determinations of B(Bbar --> D X). Reducing the branching ratio B(D0 --> K- Pi+) by about 15... |
1905.05201 | Ben King | B. King, B. M. Dillon, K. A. Beyer and G. Gregori | Axion-like-particle decay in strong electromagnetic backgrounds | 22 pages, 7 figures | J. High Energ. Phys. (2019) 2019: 162 | 10.1007/JHEP12(2019)162 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The decay of a massive pseudoscalar, scalar and U(1) boson into an
electron-positron pair in the presence of strong electromagnetic backgrounds is
calculated. Of particular interest is the constant-crossed-field limit,
relevant for experiments that aim to measure high-energy axion-like-particle
conversion into electr... | [
{
"created": "Mon, 13 May 2019 18:00:03 GMT",
"version": "v1"
}
] | 2020-01-07 | [
[
"King",
"B.",
""
],
[
"Dillon",
"B. M.",
""
],
[
"Beyer",
"K. A.",
""
],
[
"Gregori",
"G.",
""
]
] | The decay of a massive pseudoscalar, scalar and U(1) boson into an electron-positron pair in the presence of strong electromagnetic backgrounds is calculated. Of particular interest is the constant-crossed-field limit, relevant for experiments that aim to measure high-energy axion-like-particle conversion into electron... |
hep-ph/9610211 | null | V. Barone, U. D'Alesio, M. Genovese | The Charm-Strange Contribution to Charged-Current DIS Structure
Functions | latex, 5 pages | null | null | null | hep-ph | null | We review the present theoretical knowledge of the charm--strange
contribution to charged--current DIS structure functions. In particular, the
uncertainties arising from the choice of the factorization scale, of the
massive QCD scheme, and of the parton fit are discussed.
| [
{
"created": "Wed, 2 Oct 1996 08:11:02 GMT",
"version": "v1"
}
] | 2016-09-06 | [
[
"Barone",
"V.",
""
],
[
"D'Alesio",
"U.",
""
],
[
"Genovese",
"M.",
""
]
] | We review the present theoretical knowledge of the charm--strange contribution to charged--current DIS structure functions. In particular, the uncertainties arising from the choice of the factorization scale, of the massive QCD scheme, and of the parton fit are discussed. |
0902.1295 | Maozhi Yang | Mao-Zhi Yang | Radiative and leptonic decays of the pseudoscalar charmonium state
$\eta_c$ | 9 pages, 4 figures, RevTex, small change, version to appear in Phys.
Rev. D | Phys.Rev.D79:074026,2009 | 10.1103/PhysRevD.79.074026 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The radiative and leptonic decays of $\eta_c\to \gamma\gamma$ and $\eta_c\to
l^+l^-$ are studied. For $\eta_c\to \gamma\gamma$ decay, the second-order
electromagnetic tree-level diagram gives the leading contribution. The decay
rate of $\eta_c\to \gamma\gamma$ is calculated, the prediction is in good
agreement with t... | [
{
"created": "Sun, 8 Feb 2009 08:02:29 GMT",
"version": "v1"
},
{
"created": "Sat, 14 Feb 2009 12:11:10 GMT",
"version": "v2"
},
{
"created": "Tue, 14 Apr 2009 07:19:32 GMT",
"version": "v3"
}
] | 2009-10-29 | [
[
"Yang",
"Mao-Zhi",
""
]
] | The radiative and leptonic decays of $\eta_c\to \gamma\gamma$ and $\eta_c\to l^+l^-$ are studied. For $\eta_c\to \gamma\gamma$ decay, the second-order electromagnetic tree-level diagram gives the leading contribution. The decay rate of $\eta_c\to \gamma\gamma$ is calculated, the prediction is in good agreement with the... |
1311.5342 | Thomas Hermann | Thomas Hermann | $B_s \to \mu^+ \mu^-$ in the SM and $\bar{B}\to X_s \gamma$ in the 2HDM
at NNLO in QCD | 8 pages, 6 figures. Presented at the 11th International Symposium on
Radiative Corrections (Applications of Quantum Field Theory to Phenomenology)
- RADCOR 2013, 22-27 September 2013, Lumley Castle Hotel, Durham, UK | null | null | null | hep-ph | http://creativecommons.org/licenses/by-nc-sa/3.0/ | In this contribution the QCD next-to-next-to-leading order (NNLO) matching
coefficients to the branching ratio $B_s \to \mu^+ \mu^-$ in the Standard Model
(SM) and to $\bar{B}\to X_s \gamma$ in the Two Higgs Doublet Model (2HDM) are
discussed. In both cases a three-loop matching between the full and effective
theory ... | [
{
"created": "Thu, 21 Nov 2013 09:36:22 GMT",
"version": "v1"
}
] | 2013-11-22 | [
[
"Hermann",
"Thomas",
""
]
] | In this contribution the QCD next-to-next-to-leading order (NNLO) matching coefficients to the branching ratio $B_s \to \mu^+ \mu^-$ in the Standard Model (SM) and to $\bar{B}\to X_s \gamma$ in the Two Higgs Doublet Model (2HDM) are discussed. In both cases a three-loop matching between the full and effective theory wa... |
1108.1266 | Yohei Saito | Yohei Saito, Hirotsugu Fujii, Kazunori Itakura, Osamu Morimatsu | Critical exponents from two-particle irreducible 1/N expansion | 18 pages | null | 10.1103/PhysRevD.85.065019 | KEK-TH-1477, UT-Komaba-11-5 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We calculate the critical exponent $\nu$ in the 1/N expansion of the
two-particle-irreducible (2PI) effective action for the O(N) symmetric $\phi
^4$ model in three spatial dimensions. The exponent $\nu$ controls the behavior
of a two-point function $<\phi \phi>$ {\it near} the critical point $T\neq
T_c$, but can be ... | [
{
"created": "Fri, 5 Aug 2011 07:43:39 GMT",
"version": "v1"
}
] | 2013-05-30 | [
[
"Saito",
"Yohei",
""
],
[
"Fujii",
"Hirotsugu",
""
],
[
"Itakura",
"Kazunori",
""
],
[
"Morimatsu",
"Osamu",
""
]
] | We calculate the critical exponent $\nu$ in the 1/N expansion of the two-particle-irreducible (2PI) effective action for the O(N) symmetric $\phi ^4$ model in three spatial dimensions. The exponent $\nu$ controls the behavior of a two-point function $<\phi \phi>$ {\it near} the critical point $T\neq T_c$, but can be ev... |
hep-ph/0101018 | I. Zborovsky | I. Zborovsky | Z scaling, fractality, and principles of relativity in the interactions
of hadrons and nuclei at high energies | 35 pages, 1 figure, latex | null | null | NPI REZ-TH-06/2000 | hep-ph | null | The formation length of particles produced in the relativistic collisions of
hadrons and nuclei has relevance to fundamental principles of physics at small
interaction distances. The relation is expressed by z scaling observed in the
differential cross sections for the inclusive reactions at high energies. The
scalin... | [
{
"created": "Tue, 2 Jan 2001 14:09:57 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Zborovsky",
"I.",
""
]
] | The formation length of particles produced in the relativistic collisions of hadrons and nuclei has relevance to fundamental principles of physics at small interaction distances. The relation is expressed by z scaling observed in the differential cross sections for the inclusive reactions at high energies. The scaling ... |
1106.5336 | Irinel Caprini | Irinel Caprini and Jan Fischer | Expansion functions in perturbative QCD and the determination of
$\alpha_s(M_\tau^2)$ | null | Phys. Rev. D 84, 054019 (2011) | 10.1103/PhysRevD.84.054019 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The conventional series in powers of the coupling in perturbative QCD have
zero radius of convergence and fail to reproduce the singularity of the QCD
correlators like the Adler function at $\alpha_s=0$. Using the technique of
conformal mapping of the Borel plane, combined with the "softening" of the
leading singular... | [
{
"created": "Mon, 27 Jun 2011 09:31:02 GMT",
"version": "v1"
},
{
"created": "Mon, 10 Oct 2011 07:01:30 GMT",
"version": "v2"
}
] | 2011-10-11 | [
[
"Caprini",
"Irinel",
""
],
[
"Fischer",
"Jan",
""
]
] | The conventional series in powers of the coupling in perturbative QCD have zero radius of convergence and fail to reproduce the singularity of the QCD correlators like the Adler function at $\alpha_s=0$. Using the technique of conformal mapping of the Borel plane, combined with the "softening" of the leading singularit... |
hep-ph/9903217 | Eugenio Marco Rubio | E. Marco, S. Hirenzaki, E. Oset and H. Toki | Radiative decay of rho^0 and phi mesons in a chiral unitary approach | 14 pages, 3 figures. Revised version using an antisymmetric tensor
notation for the vector mesons. To appear in Physics Letters B | Phys.Lett.B470:20-26,1999 | 10.1016/S0370-2693(99)01205-8 | null | hep-ph nucl-th | null | We study the rho^0 and phi decays into pi^+ pi^- gamma, pi^0 pi^0 gamma and
phi into pi^0 eta gamma using a chiral unitary approach to deal with the final
state interaction of the M M system. The final state interaction modifies only
moderately the large momenta tail of the photon spectrum of the rho^0 --> pi^+
pi^- ... | [
{
"created": "Mon, 1 Mar 1999 17:01:59 GMT",
"version": "v1"
},
{
"created": "Fri, 15 Oct 1999 09:53:44 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Marco",
"E.",
""
],
[
"Hirenzaki",
"S.",
""
],
[
"Oset",
"E.",
""
],
[
"Toki",
"H.",
""
]
] | We study the rho^0 and phi decays into pi^+ pi^- gamma, pi^0 pi^0 gamma and phi into pi^0 eta gamma using a chiral unitary approach to deal with the final state interaction of the M M system. The final state interaction modifies only moderately the large momenta tail of the photon spectrum of the rho^0 --> pi^+ pi^- ga... |
hep-ph/9506425 | Yuri Dokshitzer | Yu.L. Dokshitzer, V.A. Khoze and S.I. Troyan | Specific Features of Heavy Quark Production. LPHD approach to heavy
particle spectra | 50 LaTeX pages including 2 Great Appendices and 13 pictures | Phys.Rev.D53:89-119,1996 | 10.1103/PhysRevD.53.89 | LU TP 94-23 / updated | hep-ph | null | Perturbative QCD formula for inclusive energy spectra of heavy quarks from
heavy quark initiated jets which takes into account collinear and/or soft
logarithms in all orders, the exact first order result and two-loop effects is
applied to distributions of heavy flavoured hadrons in the framework of the
LPHD concept. ... | [
{
"created": "Mon, 26 Jun 1995 17:54:02 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Dokshitzer",
"Yu. L.",
""
],
[
"Khoze",
"V. A.",
""
],
[
"Troyan",
"S. I.",
""
]
] | Perturbative QCD formula for inclusive energy spectra of heavy quarks from heavy quark initiated jets which takes into account collinear and/or soft logarithms in all orders, the exact first order result and two-loop effects is applied to distributions of heavy flavoured hadrons in the framework of the LPHD concept. Fi... |
hep-ph/0105055 | Jan Kalinowski | Wojciech Krolikowski | LSND effect as a Chooz-restricted "sterile" perturbation of
three-neutrino texture | 14 pages, latex, no figures | null | null | IFT-01/14 | hep-ph | null | Considering the hypothesis of mixing of three active neutrinos with, at
least, one sterile neutrino, we report on a simple $4\times 4$ texture whose $
3 \times 3 $ part arises from the popular bimaximal texture for three active
neutrinos $ \nu_e, \nu_\mu, \nu_\tau $, where $ c_{12} = 1/\sqrt{2} = s_{12}$,
$ c_{23} = ... | [
{
"created": "Mon, 7 May 2001 09:05:13 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Krolikowski",
"Wojciech",
""
]
] | Considering the hypothesis of mixing of three active neutrinos with, at least, one sterile neutrino, we report on a simple $4\times 4$ texture whose $ 3 \times 3 $ part arises from the popular bimaximal texture for three active neutrinos $ \nu_e, \nu_\mu, \nu_\tau $, where $ c_{12} = 1/\sqrt{2} = s_{12}$, $ c_{23} = 1/... |
hep-ph/0206292 | Ernest Ma | K. S. Babu (Oklahoma State U), Ernest Ma (UC Riverside), J. W. F.
Valle (IFIC Valencia) | Underlying A_4 Symmetry for the Neutrino Mass Matrix and the Quark
Mixing Matrix | 12 pages including 2 figures | Phys.Lett.B552:207-213,2003 | 10.1016/S0370-2693(02)03153-2 | UCRHEP-T341, OSU-HEP-02-07, IFIC/02-26 (June 2002) | hep-ph | null | The discrete non-Abelian symmetry $A_4$, valid at some high-energy scale,
naturally leads to degenerate neutrino masses, without spoiling the hierarchy
of charged-lepton masses. Realistic neutrino mass splittings and mixing angles
(one of which is necessarily maximal and the other large) are then induced
radiatively ... | [
{
"created": "Fri, 28 Jun 2002 16:23:37 GMT",
"version": "v1"
}
] | 2009-09-17 | [
[
"Babu",
"K. S.",
"",
"Oklahoma State U"
],
[
"Ma",
"Ernest",
"",
"UC Riverside"
],
[
"Valle",
"J. W. F.",
"",
"IFIC Valencia"
]
] | The discrete non-Abelian symmetry $A_4$, valid at some high-energy scale, naturally leads to degenerate neutrino masses, without spoiling the hierarchy of charged-lepton masses. Realistic neutrino mass splittings and mixing angles (one of which is necessarily maximal and the other large) are then induced radiatively in... |
hep-ph/9508327 | null | L. Ya. Glozman, D.O. Riska | Quark Model Explanation of the $N^*\to N\eta$ Branching Ratios | Latex 7 p, no figures | Phys.Lett. B366 (1996) 305-310 | 10.1016/0370-2693(95)01369-5 | HU--TFT--95--49 | hep-ph | null | The constituent quark model can explain the strong selectivity of the $N\eta$
decay branching ratios of the nucleon resonances if the fine structure
interaction between the constituent quarks is described in terms of Goldstone
boson exchange. This chiral quark model predicts that the resonances $N(1535)$,
$N(1710)$, ... | [
{
"created": "Fri, 18 Aug 1995 09:58:00 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Glozman",
"L. Ya.",
""
],
[
"Riska",
"D. O.",
""
]
] | The constituent quark model can explain the strong selectivity of the $N\eta$ decay branching ratios of the nucleon resonances if the fine structure interaction between the constituent quarks is described in terms of Goldstone boson exchange. This chiral quark model predicts that the resonances $N(1535)$, $N(1710)$, $\... |
1601.04569 | Thomas Morgan | A. Gehrmann-De Ridder, T. Gehrmann, E.W.N. Glover, A. Huss, T.A.
Morgan | NNLO QCD corrections for Z boson plus jet production | 10 pages, 6 figures, to appear in the proceedings of the 12th
International Symposium on Radiative Corrections (Radcor 2015) and LoopFest
XIV (Radiative Corrections for the LHC and Future Colliders) | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We discuss the next-to-next-to-leading order (NNLO) QCD corrections to Z
boson production in association with a jet including all partonic channels at
all color levels and including the leptonic decay of the Z boson. We focus on
the optimization of the numerical evaluation of the double-real contribution
and demonstr... | [
{
"created": "Mon, 18 Jan 2016 15:25:36 GMT",
"version": "v1"
},
{
"created": "Wed, 11 May 2016 18:20:47 GMT",
"version": "v2"
}
] | 2016-05-12 | [
[
"Ridder",
"A. Gehrmann-De",
""
],
[
"Gehrmann",
"T.",
""
],
[
"Glover",
"E. W. N.",
""
],
[
"Huss",
"A.",
""
],
[
"Morgan",
"T. A.",
""
]
] | We discuss the next-to-next-to-leading order (NNLO) QCD corrections to Z boson production in association with a jet including all partonic channels at all color levels and including the leptonic decay of the Z boson. We focus on the optimization of the numerical evaluation of the double-real contribution and demonstrat... |
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