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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2006.10169 | Aditya Mishra | Aditya N Mishra, Guy Pai\'c, C. Pajares, R. P. Scharenberg and B. K.
Srivastava | Deconfinement and degrees of freedom in $pp$ and $A-A$ collisions at LHC
energies | 7 pages and 4 figures | European Physical Journal A (2021) 57:245 | 10.1140/epja/s10050-021-00552-2 | null | hep-ph hep-ex hep-th nucl-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the extraction of the temperature by analyzing the charged
particle transverse momentum spectra in lead-lead (Pb-Pb) and proton-proton
(${\bf pp}$) collisions at LHC energies from the ALICE Collaboration using the
Color String Percolation Model (CSPM). From the measured energy density ${\bm
\varepsilon}$ a... | [
{
"created": "Wed, 17 Jun 2020 21:35:16 GMT",
"version": "v1"
},
{
"created": "Mon, 26 Jul 2021 17:51:14 GMT",
"version": "v2"
}
] | 2021-07-27 | [
[
"Mishra",
"Aditya N",
""
],
[
"Paić",
"Guy",
""
],
[
"Pajares",
"C.",
""
],
[
"Scharenberg",
"R. P.",
""
],
[
"Srivastava",
"B. K.",
""
]
] | We present the extraction of the temperature by analyzing the charged particle transverse momentum spectra in lead-lead (Pb-Pb) and proton-proton (${\bf pp}$) collisions at LHC energies from the ALICE Collaboration using the Color String Percolation Model (CSPM). From the measured energy density ${\bm \varepsilon}$ and... |
hep-ph/9510355 | Akira Takamura | Akira Takamura | New $I=J$ Rules for the Baryon Vertices in $1/N_c$ Expansion | 8 pages, LaTeX file | null | null | DPNU-95-36 | hep-ph nucl-th | null | We apply the $1/N_c$ expansion in QCD to the baryon vertices. We find new
model independent properties for the isoscalar and isovector baryon vertices
from the view point of $1/N_c$ expansion in QCD. One of these results, $I=J$
rule, have been already found. The other properties, new $I=J$ rules, are the
rules about ... | [
{
"created": "Fri, 20 Oct 1995 05:53:31 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Takamura",
"Akira",
""
]
] | We apply the $1/N_c$ expansion in QCD to the baryon vertices. We find new model independent properties for the isoscalar and isovector baryon vertices from the view point of $1/N_c$ expansion in QCD. One of these results, $I=J$ rule, have been already found. The other properties, new $I=J$ rules, are the rules about th... |
hep-ph/0303140 | Wally Melnitchouk | W. Melnitchouk | Higher twists in the pion structure function | 8 pages, 3 figures, to appear in Phys. Rev. D | Phys.Rev.D67:077502,2003 | 10.1103/PhysRevD.67.077502 | JLAB-THY-03-01 | hep-ph nucl-th | null | We calculate the QCD moments of the pion structure function using Drell-Yan
data on the quark distributions in the pion and a phenomenological model for
the resonance region. The extracted higher twist corrections are found to be
larger than those for the nucleon, contributing around 50% of the lowest moment
at Q^2=1... | [
{
"created": "Mon, 17 Mar 2003 16:54:41 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Melnitchouk",
"W.",
""
]
] | We calculate the QCD moments of the pion structure function using Drell-Yan data on the quark distributions in the pion and a phenomenological model for the resonance region. The extracted higher twist corrections are found to be larger than those for the nucleon, contributing around 50% of the lowest moment at Q^2=1 G... |
1109.5776 | Marco Peloso | Tony Gherghetta, Marco Peloso | Stability analysis of 5D gravitational solutions with N bulk scalar
fields | 15 pages, 5 figures. v2: refs added | null | 10.1103/PhysRevD.84.104004 | UMN--TH--3016/11, SU--ITP--11/39 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the stability of 5D gravitational solutions containing an arbitrary
number of scalar fields. A closed set of equations is derived which governs the
background and perturbations of N scalar fields and the metric, for arbitrary
bulk and boundary scalar potentials. In particular the effect of the
energy-momentu... | [
{
"created": "Tue, 27 Sep 2011 05:27:19 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Nov 2011 19:13:19 GMT",
"version": "v2"
}
] | 2015-05-30 | [
[
"Gherghetta",
"Tony",
""
],
[
"Peloso",
"Marco",
""
]
] | We study the stability of 5D gravitational solutions containing an arbitrary number of scalar fields. A closed set of equations is derived which governs the background and perturbations of N scalar fields and the metric, for arbitrary bulk and boundary scalar potentials. In particular the effect of the energy-momentum ... |
1611.03457 | Maarten F. L. Golterman | Diogo Boito, Maarten Golterman, Kim Maltman and Santiago Peris | The strong coupling from hadronic $\tau$ decays: a critical appraisal | 30 pages, 10 figures, layout issue in subsection header fixed | Phys. Rev. D 95, 034024 (2017) | 10.1103/PhysRevD.95.034024 | null | hep-ph hep-ex hep-lat | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Several different analysis methods have been developed to determine the
strong coupling via finite-energy sum-rule analyses of hadronic $\tau$ decay
data. While most methods agree on the existence of the well-known ambiguity in
the choice of a resummation scheme due to the slow convergence of QCD
perturbation theory ... | [
{
"created": "Thu, 10 Nov 2016 19:35:01 GMT",
"version": "v1"
},
{
"created": "Sat, 12 Nov 2016 18:54:59 GMT",
"version": "v2"
}
] | 2017-03-01 | [
[
"Boito",
"Diogo",
""
],
[
"Golterman",
"Maarten",
""
],
[
"Maltman",
"Kim",
""
],
[
"Peris",
"Santiago",
""
]
] | Several different analysis methods have been developed to determine the strong coupling via finite-energy sum-rule analyses of hadronic $\tau$ decay data. While most methods agree on the existence of the well-known ambiguity in the choice of a resummation scheme due to the slow convergence of QCD perturbation theory at... |
0909.0380 | Valery Lyubovitskij | Yubing Dong, Amand Faessler, Thomas Gutsche, Valery E. Lyubovitskij | J/psi gamma and psi(2S) gamma decay modes of the X(3872) | 18 pages, 5 figures | J.Phys.G38:015001,2011 | 10.1088/0954-3899/38/1/015001 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The X(3872) with quantum numbers J(PC) = 1(++) is considered as a composite
state containing both molecular hadronic and a c bar(c) component. Based on
this structure assumption we first constrain model parameters in order to
reproduce the predictions for the radiative decay widths of X(3872) to J/psi
gamma and X(387... | [
{
"created": "Wed, 2 Sep 2009 10:42:37 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Nov 2010 09:35:54 GMT",
"version": "v2"
}
] | 2010-11-19 | [
[
"Dong",
"Yubing",
""
],
[
"Faessler",
"Amand",
""
],
[
"Gutsche",
"Thomas",
""
],
[
"Lyubovitskij",
"Valery E.",
""
]
] | The X(3872) with quantum numbers J(PC) = 1(++) is considered as a composite state containing both molecular hadronic and a c bar(c) component. Based on this structure assumption we first constrain model parameters in order to reproduce the predictions for the radiative decay widths of X(3872) to J/psi gamma and X(3872)... |
hep-ph/9812302 | Felice Pisano | A.A. Machado and F. Pisano | Charged right-handed currents in the leptoquark-bilepton flavordynamics
chiral models | 7 pages | Mod.Phys.Lett. A14 (1999) 2223-2228 | 10.1142/S0217732399002303 | null | hep-ph | null | Flavordynamics chiral models of leptoquark fermions and bilepton gauge bosons
with masses up to about 1 TeV, although coincident at low energy with the
standard model, address the question of fermion mass hyerarchy and explain the
flavor question. The presence of charged right-handed weak currents coupled to
bilepton... | [
{
"created": "Wed, 9 Dec 1998 18:01:02 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Machado",
"A. A.",
""
],
[
"Pisano",
"F.",
""
]
] | Flavordynamics chiral models of leptoquark fermions and bilepton gauge bosons with masses up to about 1 TeV, although coincident at low energy with the standard model, address the question of fermion mass hyerarchy and explain the flavor question. The presence of charged right-handed weak currents coupled to bileptons,... |
1310.3079 | Eugenio Megias | E. Megias, E. Ruiz Arriola, L.L. Salcedo | Polyakov loop, Hadron Resonance Gas Model and Thermodynamics of QCD | 7 pages, 3 figures. Invited plenary talk given by E.Megias at the
XXXVI Brazilian Workshop on Nuclear Physics, 1-5 September 2013, Maresias,
Sao Sebastiao, Sao Paulo, Brazil | null | 10.1063/1.4901767 | UAB-FT-745 | hep-ph hep-lat hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We summarize recent results on the hadron resonance gas description of QCD.
In particular, we apply this approach to describe the equation of state and the
vacuum expectation value of the Polyakov loop in several representations.
Ambiguities related to exactly which states should be included are discussed.
| [
{
"created": "Fri, 11 Oct 2013 10:26:47 GMT",
"version": "v1"
}
] | 2015-06-17 | [
[
"Megias",
"E.",
""
],
[
"Arriola",
"E. Ruiz",
""
],
[
"Salcedo",
"L. L.",
""
]
] | We summarize recent results on the hadron resonance gas description of QCD. In particular, we apply this approach to describe the equation of state and the vacuum expectation value of the Polyakov loop in several representations. Ambiguities related to exactly which states should be included are discussed. |
2101.12663 | Pok Man Lo | Pok Man Lo, Krzysztof Redlich, Chihiro Sasaki | Fluctuations of order parameter in an $SU(N_c)$ effective model | 15 pages, 6 figures, typos. corrected, version appear in PRD | Phys. Rev. D 103, 074026 (2021) | 10.1103/PhysRevD.103.074026 | null | hep-ph hep-lat hep-th nucl-th | http://creativecommons.org/licenses/by-nc-nd/4.0/ | We investigate features of the deconfinement phase transition in an $SU(N_c)$
gauge theory as revealed by fluctuations of the order parameter. The tool of
choice is an effective model built from one-loop expressions of the field
determinants of gluon and ghost, in the presence of a Polyakov loop background
field. We ... | [
{
"created": "Fri, 29 Jan 2021 16:10:03 GMT",
"version": "v1"
},
{
"created": "Thu, 29 Apr 2021 15:04:38 GMT",
"version": "v2"
}
] | 2021-05-05 | [
[
"Lo",
"Pok Man",
""
],
[
"Redlich",
"Krzysztof",
""
],
[
"Sasaki",
"Chihiro",
""
]
] | We investigate features of the deconfinement phase transition in an $SU(N_c)$ gauge theory as revealed by fluctuations of the order parameter. The tool of choice is an effective model built from one-loop expressions of the field determinants of gluon and ghost, in the presence of a Polyakov loop background field. We sh... |
hep-ph/9905440 | Berthold Stech | B. Stech (U. of Heidelberg) | A simple scheme for masses and mixings of quarks and neutrinos | 9 pages, references added and minor corrections | Phys.Lett. B465 (1999) 219-225 | 10.1016/S0370-2693(99)01073-4 | HD-THEP-99-15 | hep-ph | null | The mass matrices of charged fermions have a simple structure if expressed in
powers of the small parameter sigma=(m_c/m_t)^{1/2}. It is suggested that the
mass matrix of the three heavy neutrinos occuring in grand unified theories can
be expressed in terms of the same parameter. The requirement that these heavy
neut... | [
{
"created": "Fri, 21 May 1999 14:12:19 GMT",
"version": "v1"
},
{
"created": "Thu, 9 Sep 1999 12:50:57 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Stech",
"B.",
"",
"U. of Heidelberg"
]
] | The mass matrices of charged fermions have a simple structure if expressed in powers of the small parameter sigma=(m_c/m_t)^{1/2}. It is suggested that the mass matrix of the three heavy neutrinos occuring in grand unified theories can be expressed in terms of the same parameter. The requirement that these heavy neutri... |
hep-ph/9809566 | Katri Huitu | Katri Huitu, Cai-Dian L\"u, Paul Singer and Da-Xin Zhang | Searching for new physics in $b\to s s \bar d$ decays | 9 pages, one figure, latex | Phys.Rev.Lett. 81 (1998) 4313-4316 | 10.1103/PhysRevLett.81.4313 | DESY 98-037, HIP-1998-07/TH, TECHNION-PH-11 | hep-ph | null | For any new physics possibly emerging in the future B experiments, the
problem is how to extract the signals from the SM background. We consider the
decay $b\to s s\bar d$ which is very small in the SM. In the MSSM this decay is
possibly accessible in the future experiments. In the supersymmetric models
with R-parity... | [
{
"created": "Mon, 28 Sep 1998 15:52:39 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Huitu",
"Katri",
""
],
[
"Lü",
"Cai-Dian",
""
],
[
"Singer",
"Paul",
""
],
[
"Zhang",
"Da-Xin",
""
]
] | For any new physics possibly emerging in the future B experiments, the problem is how to extract the signals from the SM background. We consider the decay $b\to s s\bar d$ which is very small in the SM. In the MSSM this decay is possibly accessible in the future experiments. In the supersymmetric models with R-parity v... |
1611.04679 | Kazumasa Ohkuma | Zenro Hioki (U. Tokushima), Kazumasa Ohkuma (Okayama U. Science),
Akira Uejima (Okayama U. Science) | Constraints on generalized non-standard $tbW$ couplings | 4 pages, To appear in the proceedings of 38th International
Conference on High Energy Physics (ICHEP 2016), Chicago, Aug. 3-10, 2016 | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | General non-standard $tbW$ couplings are studied as model independently as
possible based on the effective Lagrangian consisting of the dimension-6
operators, which is an extension of the standard-model Lagrangian. The
$tbW$-interaction Lagrangian in this framework includes four kinds of
couplings, which could be com... | [
{
"created": "Tue, 15 Nov 2016 02:47:26 GMT",
"version": "v1"
}
] | 2016-11-16 | [
[
"Hioki",
"Zenro",
"",
"U. Tokushima"
],
[
"Ohkuma",
"Kazumasa",
"",
"Okayama U. Science"
],
[
"Uejima",
"Akira",
"",
"Okayama U. Science"
]
] | General non-standard $tbW$ couplings are studied as model independently as possible based on the effective Lagrangian consisting of the dimension-6 operators, which is an extension of the standard-model Lagrangian. The $tbW$-interaction Lagrangian in this framework includes four kinds of couplings, which could be compl... |
hep-ph/0008083 | R. A. Schneider | R. A. Schneider and W. Weise (Munich, Tech. U.) | Thermal Dileptons from Quark and Hadron Phases of an Expanding Fireball | 14 pages, 5 figures; paragraph and one figure added; version to
appear in Eur. Phys. J. A | Eur.Phys.J. A9 (2000) 357-364 | 10.1007/s100500070020 | TUM/T39-00-11 | hep-ph | null | A fireball model with time evolution based on transport calculations is used
to examine the dilepton emission rate of an ultra-relativistic heavy-ion
collision. We assume a transition from hadronic matter to a quark-gluon plasma
at a critical temperature T_C between 130-170 MeV. We include thermal
corrections to the ... | [
{
"created": "Wed, 9 Aug 2000 16:25:27 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Nov 2000 14:19:14 GMT",
"version": "v2"
}
] | 2009-10-31 | [
[
"Schneider",
"R. A.",
"",
"Munich, Tech. U."
],
[
"Weise",
"W.",
"",
"Munich, Tech. U."
]
] | A fireball model with time evolution based on transport calculations is used to examine the dilepton emission rate of an ultra-relativistic heavy-ion collision. We assume a transition from hadronic matter to a quark-gluon plasma at a critical temperature T_C between 130-170 MeV. We include thermal corrections to the ha... |
1107.4798 | Christian Sturm | William B. Kilgore and Christian Sturm | Two-Loop Virtual Corrections to Drell-Yan Production at order alpha_s
alpha^3 | 20 pages, 3 figures | null | 10.1103/PhysRevD.85.033005 | MPP-2011-90 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Drell-Yan mechanism for the production of lepton pairs is one of the most
basic processes for physics studies at hadron colliders. It is therefore
important to have accurate theoretical predictions. In this work we compute the
two-loop virtual mixed QCD x QED corrections to Drell-Yan production. We
evaluate the F... | [
{
"created": "Sun, 24 Jul 2011 20:46:30 GMT",
"version": "v1"
}
] | 2013-05-30 | [
[
"Kilgore",
"William B.",
""
],
[
"Sturm",
"Christian",
""
]
] | The Drell-Yan mechanism for the production of lepton pairs is one of the most basic processes for physics studies at hadron colliders. It is therefore important to have accurate theoretical predictions. In this work we compute the two-loop virtual mixed QCD x QED corrections to Drell-Yan production. We evaluate the Fey... |
1308.0591 | Jarah Evslin | Emilio Ciuffoli, Jarah Evslin, Zhimin Wang, Changgen Yang, Xinmin
Zhang and Weili Zhong | Advantages of Multiple Detectors for the Neutrino Mass Hierarchy
Determination at Reactor Experiments | 24 pages, 6 jpg figures | Phys. Rev. D 89, 073006 (2014) | 10.1103/PhysRevD.89.073006 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study the advantages of a second identical detector at a medium baseline
reactor neutrino experiment. A major obstruction to the determination of the
neutrino mass hierarchy is the detector's unknown nonlinear energy response,
which even under optimistic assumptions reduces the confidence in a hierarchy
determinat... | [
{
"created": "Fri, 2 Aug 2013 19:54:37 GMT",
"version": "v1"
}
] | 2014-04-23 | [
[
"Ciuffoli",
"Emilio",
""
],
[
"Evslin",
"Jarah",
""
],
[
"Wang",
"Zhimin",
""
],
[
"Yang",
"Changgen",
""
],
[
"Zhang",
"Xinmin",
""
],
[
"Zhong",
"Weili",
""
]
] | We study the advantages of a second identical detector at a medium baseline reactor neutrino experiment. A major obstruction to the determination of the neutrino mass hierarchy is the detector's unknown nonlinear energy response, which even under optimistic assumptions reduces the confidence in a hierarchy determinatio... |
1911.02463 | Sarunas Verner | Kunio Kaneta, Yann Mambrini, Keith A. Olive and Sarunas Verner | Inflation and Leptogenesis in High-Scale Supersymmetry | 39 pages, 9 figures | Phys. Rev. D 101, 015002 (2020) | 10.1103/PhysRevD.101.015002 | UMN-TH-3903/19, FTPI-MINN-19/26, LPT-Orsay-19-37 | hep-ph astro-ph.CO hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | No-scale supergravity provides a successful framework for Starobinsky-like
inflation models. Two classes of models can be distinguished depending on the
identification of the inflaton with the volume modulus, $T$ (C-models), or a
matter-like field, $\phi$ (WZ-models). When supersymmetry is broken, the
inflationary po... | [
{
"created": "Wed, 6 Nov 2019 16:26:21 GMT",
"version": "v1"
}
] | 2020-01-15 | [
[
"Kaneta",
"Kunio",
""
],
[
"Mambrini",
"Yann",
""
],
[
"Olive",
"Keith A.",
""
],
[
"Verner",
"Sarunas",
""
]
] | No-scale supergravity provides a successful framework for Starobinsky-like inflation models. Two classes of models can be distinguished depending on the identification of the inflaton with the volume modulus, $T$ (C-models), or a matter-like field, $\phi$ (WZ-models). When supersymmetry is broken, the inflationary pote... |
2405.11283 | Fernando Navarra | F.C. Sobrinho, I. Danhoni, C.A. Bertulani, L.M. Abreu, F.S. Navarra | Novel aspects of particle production in ultra-peripheral collisions | 7 pages, 4 figures, Presented at UPC2023: International Workshop on
the Physics of Ultra-Peripheral Collisions, Playa del Carmen, Mexico,
10-15.12.2023 | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | One of the hot topics in hadron physics is the study of the new exotic
charmonium states and the determination of their internal structure. Another
important topic is the search for effects of the magnetic field created in high
energy nuclear collisions. In this note we show that we can use
ultra-peripheral collision... | [
{
"created": "Sat, 18 May 2024 12:58:05 GMT",
"version": "v1"
}
] | 2024-05-21 | [
[
"Sobrinho",
"F. C.",
""
],
[
"Danhoni",
"I.",
""
],
[
"Bertulani",
"C. A.",
""
],
[
"Abreu",
"L. M.",
""
],
[
"Navarra",
"F. S.",
""
]
] | One of the hot topics in hadron physics is the study of the new exotic charmonium states and the determination of their internal structure. Another important topic is the search for effects of the magnetic field created in high energy nuclear collisions. In this note we show that we can use ultra-peripheral collisions ... |
hep-ph/0408062 | Antoni Szczurek | Antoni Szczurek and Marta Luszczak | Charm-Anticharm Kinematical Correlations in Photon-Proton Scattering | a talk at the international workshop DIS2004, Strbske Pleso,
Slovakia, April 14-18, 5 pages, 3 figures | null | null | null | hep-ph | null | $c-\bar c$ correlations are calculated in the $k_t$-factorization approach.
Different unintegrated gluon distributions (uGDF) from the literature are used.
The results are compared with recent results of the FOCUS collaboration. The
recently developed CCFM uGDF gives a good description of the data. Predictions
for th... | [
{
"created": "Wed, 4 Aug 2004 11:14:59 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Szczurek",
"Antoni",
""
],
[
"Luszczak",
"Marta",
""
]
] | $c-\bar c$ correlations are calculated in the $k_t$-factorization approach. Different unintegrated gluon distributions (uGDF) from the literature are used. The results are compared with recent results of the FOCUS collaboration. The recently developed CCFM uGDF gives a good description of the data. Predictions for the ... |
1909.11111 | Teppei Kitahara | Teppei Kitahara, Takemichi Okui, Gilad Perez, Yotam Soreq, Kohsaku
Tobioka | New physics implications of recent search for $K_L \to \pi^0
\nu\bar{\nu}$ at KOTO | 7 pages, 3 figures; v2: references added, simulation refined; v3:
matches version published in PRL | Phys. Rev. Lett. 124, 071801 (2020) | 10.1103/PhysRevLett.124.071801 | KEK-TH-2157, CERN-TH-2019-151 | hep-ph hep-ex | http://creativecommons.org/licenses/by/4.0/ | The KOTO experiment recently reported four candidate events in the signal
region of $K_L\to \pi^0 \nu\bar\nu$ search, where the standard model only
expects $0.10\pm 0.02$ events. If confirmed, this requires physics beyond the
standard model to enhance the signal. We examine various new physics
interpretations of the ... | [
{
"created": "Tue, 24 Sep 2019 18:14:33 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Nov 2019 01:49:53 GMT",
"version": "v2"
},
{
"created": "Sat, 29 Feb 2020 18:06:45 GMT",
"version": "v3"
}
] | 2020-03-03 | [
[
"Kitahara",
"Teppei",
""
],
[
"Okui",
"Takemichi",
""
],
[
"Perez",
"Gilad",
""
],
[
"Soreq",
"Yotam",
""
],
[
"Tobioka",
"Kohsaku",
""
]
] | The KOTO experiment recently reported four candidate events in the signal region of $K_L\to \pi^0 \nu\bar\nu$ search, where the standard model only expects $0.10\pm 0.02$ events. If confirmed, this requires physics beyond the standard model to enhance the signal. We examine various new physics interpretations of the re... |
hep-ph/9904361 | Kai Hencken | G. Baur (1), K. Hencken (2), D. Trautmann (2), S. Sadovsky (3), Yu.
Kharlov (3) ((1) Forschungszentrum Juelich, (2) Institut fuer Physik, U
Basel, (3) IHEP, Protvino) | Coherent Interactions with heavy ions at CMS | updated version, to be included in the CMS Heavy Ion Chapter | null | null | null | hep-ph | null | Due to coherence, there are strong electromagnetic fields of short duration
in very peripheral collisions. They give rise to photon-photon and
photon-nucleus collisions with high flux up to an invariant mass region
hitherto unexplored experimentally. After a general survey photon-photon
luminosities in relativistic h... | [
{
"created": "Fri, 16 Apr 1999 14:27:37 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Aug 1999 08:14:54 GMT",
"version": "v2"
}
] | 2009-09-25 | [
[
"Baur",
"G.",
""
],
[
"Hencken",
"K.",
""
],
[
"Trautmann",
"D.",
""
],
[
"Sadovsky",
"S.",
""
],
[
"Kharlov",
"Yu.",
""
]
] | Due to coherence, there are strong electromagnetic fields of short duration in very peripheral collisions. They give rise to photon-photon and photon-nucleus collisions with high flux up to an invariant mass region hitherto unexplored experimentally. After a general survey photon-photon luminosities in relativistic hea... |
hep-ph/0306206 | Enrico Nardi | Diego Aristizabal and Enrico Nardi | Bottom-tau Yukawa non-unification in supersymmetric SU(5) with an
Abelian flavor symmetry | 4 pages. References added. Corrected a factor of 1/2 missing in
eqs.5-7 | Phys.Lett.B578:176-180,2004 | 10.1016/j.physletb.2003.10.100 | null | hep-ph | null | We present a supersymmetric SU(5) x U(1)_H model, free from gauge anomalies,
where the Abelian factor U(1)_H, introduced to account for the hierarchy of
fermion masses and mixings, is broken by the same adjoint representations of
SU(5) that also break the GUT symmetry. The model predicts approximate, but
never exact,... | [
{
"created": "Mon, 23 Jun 2003 00:55:36 GMT",
"version": "v1"
},
{
"created": "Wed, 25 Jun 2003 18:45:50 GMT",
"version": "v2"
}
] | 2010-11-19 | [
[
"Aristizabal",
"Diego",
""
],
[
"Nardi",
"Enrico",
""
]
] | We present a supersymmetric SU(5) x U(1)_H model, free from gauge anomalies, where the Abelian factor U(1)_H, introduced to account for the hierarchy of fermion masses and mixings, is broken by the same adjoint representations of SU(5) that also break the GUT symmetry. The model predicts approximate, but never exact, b... |
2104.13847 | Andreas Ringwald | Guillermo Ballesteros, Andreas Ringwald, Carlos Tamarit, Yvette
Welling | Revisiting isocurvature bounds in models unifying the axion with the
inflaton | 30 pages, 22 figures | JCAP09(2021)036 | 10.1088/1475-7516/2021/09/036 | IFT-UAM/CSIC-21-45, DESY 21-048, TUM-HEP-1334-21 | hep-ph astro-ph.CO | http://creativecommons.org/licenses/by/4.0/ | Axion scenarios in which the spontaneous breaking of the Peccei-Quinn
symmetry takes place before or during inflation, and in which axion dark matter
arises from the misalignment mechanism, can be constrained by Cosmic Microwave
Background isocurvature bounds. Dark matter isocurvature is thought to be
suppressed in m... | [
{
"created": "Wed, 28 Apr 2021 15:51:23 GMT",
"version": "v1"
}
] | 2021-10-05 | [
[
"Ballesteros",
"Guillermo",
""
],
[
"Ringwald",
"Andreas",
""
],
[
"Tamarit",
"Carlos",
""
],
[
"Welling",
"Yvette",
""
]
] | Axion scenarios in which the spontaneous breaking of the Peccei-Quinn symmetry takes place before or during inflation, and in which axion dark matter arises from the misalignment mechanism, can be constrained by Cosmic Microwave Background isocurvature bounds. Dark matter isocurvature is thought to be suppressed in mod... |
2205.07823 | Luis Oliver | R. Aleksan, L. Oliver | Remarks on the penguin decay $B_s \to \phi \phi$ with prospects for
FCCee | 49 pages, 12 figures | null | null | null | hep-ph hep-ex | http://creativecommons.org/publicdomain/zero/1.0/ | We underline the theoretical interest of the vector-vector penguin decay $B_s
\to \phi \phi$, very clean from the experimental point of view. The
CP-violation asymmetry $A_{CP}^{mix}$ comes from the interference of mixing and
decay $\lambda_{\phi \phi} = {q \over p} {\bar{A} \over A}$. In the Standard
Model (SM) and ... | [
{
"created": "Mon, 16 May 2022 17:25:47 GMT",
"version": "v1"
},
{
"created": "Tue, 24 May 2022 12:02:11 GMT",
"version": "v2"
}
] | 2022-05-25 | [
[
"Aleksan",
"R.",
""
],
[
"Oliver",
"L.",
""
]
] | We underline the theoretical interest of the vector-vector penguin decay $B_s \to \phi \phi$, very clean from the experimental point of view. The CP-violation asymmetry $A_{CP}^{mix}$ comes from the interference of mixing and decay $\lambda_{\phi \phi} = {q \over p} {\bar{A} \over A}$. In the Standard Model (SM) and in... |
2312.13046 | Vladimir Saleev | Alexey Chernyshev, Vladimir Saleev | Associated production of heavy quarkonium and $D-$meson in the improved
color evaporation model with KaTie | 16 pages, 8 figures, 1 table | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In the article, we study associated production of prompt $J/\psi(\Upsilon)$
and $D-$mesons in the improved color evaporation model using the high-energy
factorization approach as it is realized in the Monte-Carlo event generator
KaTie. The modified Kimber-Martin-Ryskin-Watt model for unintegrated parton
distribution ... | [
{
"created": "Wed, 20 Dec 2023 14:17:17 GMT",
"version": "v1"
}
] | 2023-12-21 | [
[
"Chernyshev",
"Alexey",
""
],
[
"Saleev",
"Vladimir",
""
]
] | In the article, we study associated production of prompt $J/\psi(\Upsilon)$ and $D-$mesons in the improved color evaporation model using the high-energy factorization approach as it is realized in the Monte-Carlo event generator KaTie. The modified Kimber-Martin-Ryskin-Watt model for unintegrated parton distribution fu... |
2311.14099 | Sumit Ghosh | Sumit Ghosh and Pyungwon Ko | Explaining ATOMKI, $(g-2)_\mu$, and MiniBooNE anomalies with light
mediators in $U(1)_H$ extended model | 32 pages, 4 figures, 3 tables | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We consider $U(1)_H$ extensions of Type-I 2HDM plus a singlet scalar
$\phi_H$, introducing a new Higgs doublet $H_2$ and a singlet $\phi_H$ charged
under $U(1)_H$. The SM Higgs doublet $H_1$ as well as all the SM fermions and
three right-handed singlet neutrinos, introduced to generate nonzero neutrino
masses and mix... | [
{
"created": "Thu, 23 Nov 2023 16:58:52 GMT",
"version": "v1"
}
] | 2023-11-27 | [
[
"Ghosh",
"Sumit",
""
],
[
"Ko",
"Pyungwon",
""
]
] | We consider $U(1)_H$ extensions of Type-I 2HDM plus a singlet scalar $\phi_H$, introducing a new Higgs doublet $H_2$ and a singlet $\phi_H$ charged under $U(1)_H$. The SM Higgs doublet $H_1$ as well as all the SM fermions and three right-handed singlet neutrinos, introduced to generate nonzero neutrino masses and mixin... |
2306.03463 | Hsiang-nan Li | Hsiang-nan Li | Dispersive determination of neutrino mass ordering | 10 pages, 1 figure, more explanations added | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We argue that the mixing phenomenon of a neutral meson formed by a fictitious
massive quark will disappear, if the electroweak symmetry of the Standard Model
(SM) is restored at a high energy scale. This disappearance is taken as the
high-energy input for the dispersion relation, which must be obeyed by the
width dif... | [
{
"created": "Tue, 6 Jun 2023 07:34:29 GMT",
"version": "v1"
},
{
"created": "Tue, 13 Jun 2023 01:47:54 GMT",
"version": "v2"
},
{
"created": "Thu, 18 Jan 2024 05:50:02 GMT",
"version": "v3"
},
{
"created": "Fri, 14 Jun 2024 16:05:44 GMT",
"version": "v4"
}
] | 2024-06-17 | [
[
"Li",
"Hsiang-nan",
""
]
] | We argue that the mixing phenomenon of a neutral meson formed by a fictitious massive quark will disappear, if the electroweak symmetry of the Standard Model (SM) is restored at a high energy scale. This disappearance is taken as the high-energy input for the dispersion relation, which must be obeyed by the width diffe... |
2009.05509 | Ben Ruijl | Zeno Capatti, Valentin Hirschi, Dario Kermanschah, Andrea Pelloni, Ben
Ruijl | Manifestly Causal Loop-Tree Duality | 39 pages | null | null | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Loop-Tree Duality (LTD) is a framework in which the energy components of all
loop momenta of a Feynman integral are integrated out using residue theorem,
resulting in a sum over tree-like structures. Originally, the LTD expression
exhibits cancellations of non-causal thresholds between summands, also known as
dual ca... | [
{
"created": "Fri, 11 Sep 2020 16:13:59 GMT",
"version": "v1"
},
{
"created": "Fri, 25 Sep 2020 12:20:42 GMT",
"version": "v2"
}
] | 2020-09-28 | [
[
"Capatti",
"Zeno",
""
],
[
"Hirschi",
"Valentin",
""
],
[
"Kermanschah",
"Dario",
""
],
[
"Pelloni",
"Andrea",
""
],
[
"Ruijl",
"Ben",
""
]
] | Loop-Tree Duality (LTD) is a framework in which the energy components of all loop momenta of a Feynman integral are integrated out using residue theorem, resulting in a sum over tree-like structures. Originally, the LTD expression exhibits cancellations of non-causal thresholds between summands, also known as dual canc... |
2104.14479 | John Ellis | John Ellis | Following in Tini's Giant Footsteps | 13 pages, 4 figures, contribution to the special volume of Acta
Physica Polonica B commemorating Martinus Veltman | null | 10.5506/APhysPolB.52.561 | KCL-PH-TH/2021-27, CERN-TH-2021-067 | hep-ph hep-ex physics.hist-ph | http://creativecommons.org/licenses/by/4.0/ | This paper describes my personal appreciation of some of Tini Veltman's great
research achievements and how my own research career has followed the pathways
he opened. Among the topics where he has been the most influential have been
the pursuit and study of the Higgs boson and the calculation of radiative
correction... | [
{
"created": "Thu, 29 Apr 2021 16:43:25 GMT",
"version": "v1"
}
] | 2021-07-07 | [
[
"Ellis",
"John",
""
]
] | This paper describes my personal appreciation of some of Tini Veltman's great research achievements and how my own research career has followed the pathways he opened. Among the topics where he has been the most influential have been the pursuit and study of the Higgs boson and the calculation of radiative corrections ... |
1107.0403 | Shinta Kasuya | Shinta Kasuya and Masahiro Kawasaki | Gravitino dark matter and baryon asymmetry from Q-ball decay in gauge
mediation | 7 pages, 6 eps figures, footnote added | null | 10.1103/PhysRevD.84.123528 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate the Q-ball decay in the gauge-mediated SUSY breaking. Q balls
decay mainly into nucleons, and partially into gravitinos, while they are
kinematically forbidden to decay into sparticles which would be cosmologically
harmful. This is achieved by the Q-ball charge small enough to be unstable for
the decay... | [
{
"created": "Sat, 2 Jul 2011 19:02:04 GMT",
"version": "v1"
},
{
"created": "Wed, 6 Jul 2011 02:31:38 GMT",
"version": "v2"
},
{
"created": "Fri, 8 Jul 2011 13:52:45 GMT",
"version": "v3"
}
] | 2015-05-28 | [
[
"Kasuya",
"Shinta",
""
],
[
"Kawasaki",
"Masahiro",
""
]
] | We investigate the Q-ball decay in the gauge-mediated SUSY breaking. Q balls decay mainly into nucleons, and partially into gravitinos, while they are kinematically forbidden to decay into sparticles which would be cosmologically harmful. This is achieved by the Q-ball charge small enough to be unstable for the decay, ... |
1611.01087 | Christoph Meyer | Christoph Meyer | Transforming differential equations of multi-loop Feynman integrals into
canonical form | ancillary files provided; published version | null | 10.1007/JHEP04(2017)006 | HU-EP-16/24 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The method of differential equations has been proven to be a powerful tool
for the computation of multi-loop Feynman integrals appearing in quantum field
theory. It has been observed that in many instances a canonical basis can be
chosen, which drastically simplifies the solution of the differential equation.
In this... | [
{
"created": "Thu, 3 Nov 2016 16:44:55 GMT",
"version": "v1"
},
{
"created": "Mon, 22 May 2017 14:40:40 GMT",
"version": "v2"
}
] | 2017-05-23 | [
[
"Meyer",
"Christoph",
""
]
] | The method of differential equations has been proven to be a powerful tool for the computation of multi-loop Feynman integrals appearing in quantum field theory. It has been observed that in many instances a canonical basis can be chosen, which drastically simplifies the solution of the differential equation. In this p... |
hep-ph/0010030 | Bernd Surrow | Dieter Schildknecht, Bernd Surrow and Mikhail Tentyukov | Low-x scaling in $\gamma^*p$ total cross sections | LaTeX, 14 pages, 4 figures, Title changed, final version published in
Phys.Lett | Phys.Lett.B499:116-124,2001 | 10.1016/S0370-2693(00)01397-6 | BI-TP2000/32 | hep-ph | null | We show that the experimental data for the total virtual-photon proton cross
section, \sigma_{\gamma^*p} (W^2, Q^2), for x_{bj} \lsim 0.1 lie on a universal
curve, when plotted against \eta = (Q^2 + m^2_0)/ \Lambda^2(W^2), where
\Lambda^2 (W^2) = C_1 (W^2+W^2_0)^{C_2} is determined by the parameters m^2_0,
C_1, C_2 a... | [
{
"created": "Wed, 4 Oct 2000 09:40:45 GMT",
"version": "v1"
},
{
"created": "Tue, 10 Apr 2001 18:54:14 GMT",
"version": "v2"
}
] | 2014-11-17 | [
[
"Schildknecht",
"Dieter",
""
],
[
"Surrow",
"Bernd",
""
],
[
"Tentyukov",
"Mikhail",
""
]
] | We show that the experimental data for the total virtual-photon proton cross section, \sigma_{\gamma^*p} (W^2, Q^2), for x_{bj} \lsim 0.1 lie on a universal curve, when plotted against \eta = (Q^2 + m^2_0)/ \Lambda^2(W^2), where \Lambda^2 (W^2) = C_1 (W^2+W^2_0)^{C_2} is determined by the parameters m^2_0, C_1, C_2 and... |
0710.3022 | Sven Heinemeyer | S. Heinemeyer | Electroweak Precision Physics from Low to High Energies | Plenary talk at Lepton Photon 2007, Daegu, Korea. 19 pages, 12
figures | null | null | null | hep-ph | null | Electroweak precision observables (EWPO) can give valuable information about
the last unknown paramter of the Standard Model (SM), the Higgs-boson mass
M_H^SM. EWPO can also restrict the parameter space of new physics models (NPM)
such as the Minimal Supersymmetric Standard Model (MSSM). We review the
respective cons... | [
{
"created": "Tue, 16 Oct 2007 11:30:18 GMT",
"version": "v1"
}
] | 2007-10-17 | [
[
"Heinemeyer",
"S.",
""
]
] | Electroweak precision observables (EWPO) can give valuable information about the last unknown paramter of the Standard Model (SM), the Higgs-boson mass M_H^SM. EWPO can also restrict the parameter space of new physics models (NPM) such as the Minimal Supersymmetric Standard Model (MSSM). We review the respective constr... |
hep-ph/0108172 | Domenico Falcone | F. Buccella, D. Falcone, F. Tramontano | Baryogenesis via leptogenesis in SO(10) models | 9 pages, RevTex, with 1 figure | Phys.Lett. B524 (2002) 241-244 | 10.1016/S0370-2693(01)01409-5 | DSF-21/2001 | hep-ph | null | We discuss the baryogenesis via leptogenesis mechanism within the
supersymmetric and nonsupersymmetric SO(10) models. We find that the
nonsupersymmetric model, endowed with an intermediate scale, is generally
favoured, unless some fine tuning occurs in the supersymmetric case.
| [
{
"created": "Wed, 22 Aug 2001 09:37:15 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Buccella",
"F.",
""
],
[
"Falcone",
"D.",
""
],
[
"Tramontano",
"F.",
""
]
] | We discuss the baryogenesis via leptogenesis mechanism within the supersymmetric and nonsupersymmetric SO(10) models. We find that the nonsupersymmetric model, endowed with an intermediate scale, is generally favoured, unless some fine tuning occurs in the supersymmetric case. |
1802.06174 | Hyun Min Lee | Hyun Min Lee | Light inflaton completing Higgs inflation | 7 pages, 3 figures, Title changed, To appear in Physical Reviews D | Phys. Rev. D 98, 015020 (2018) | 10.1103/PhysRevD.98.015020 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the extension of the Standard Model (SM) with a light inflaton
where both unitarity problem in Higgs inflation and vacuum instability problem
are resolved. The linear non-minimal coupling of the inflaton to gravity leads
to a significant kinetic mixing between the inflaton and the graviton such that
pertu... | [
{
"created": "Sat, 17 Feb 2018 02:21:44 GMT",
"version": "v1"
},
{
"created": "Tue, 3 Jul 2018 13:19:26 GMT",
"version": "v2"
}
] | 2018-07-25 | [
[
"Lee",
"Hyun Min",
""
]
] | We consider the extension of the Standard Model (SM) with a light inflaton where both unitarity problem in Higgs inflation and vacuum instability problem are resolved. The linear non-minimal coupling of the inflaton to gravity leads to a significant kinetic mixing between the inflaton and the graviton such that perturb... |
2007.02558 | Hai-Yang Cheng | Hai-Yang Cheng, Chun-Khiang Chua | Branching Fractions and CP Violation in $B^-\to K^+K^-\pi^-$ and $B^-\to
\pi^+\pi^-\pi^-$ Decays | 40 pages and 5 figures, discussions added on p.5 and p.9, version to
appear in PRD | Phys. Rev. D 102, 053006 (2020) | 10.1103/PhysRevD.102.053006 | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present in this work a study of tree-dominated charmless three-body decays
of $B$ mesons, $B^-\to K^+K^-\pi^-$ and $B^-\to\pi^+\pi^-\pi^-$, within the
factorization approach. The main results are: (i) There are two distinct
sources of nonresonant contributions: one arises from the $b\to u$ tree
transition and the ... | [
{
"created": "Mon, 6 Jul 2020 07:13:34 GMT",
"version": "v1"
},
{
"created": "Tue, 7 Jul 2020 09:07:22 GMT",
"version": "v2"
},
{
"created": "Sat, 22 Aug 2020 03:00:05 GMT",
"version": "v3"
}
] | 2020-09-23 | [
[
"Cheng",
"Hai-Yang",
""
],
[
"Chua",
"Chun-Khiang",
""
]
] | We present in this work a study of tree-dominated charmless three-body decays of $B$ mesons, $B^-\to K^+K^-\pi^-$ and $B^-\to\pi^+\pi^-\pi^-$, within the factorization approach. The main results are: (i) There are two distinct sources of nonresonant contributions: one arises from the $b\to u$ tree transition and the ot... |
2111.07940 | Niko Jokela | Niko Jokela | NICER view on holographic QCD | 9 pages, 4 figures. Talk at the (virtual) "Quark Confinement and the
Hadron Spectrum 2021" conference on 2 -- 6 August 2021 in Stavanger, Norway | null | 10.1051/epjconf/202225807004 | HIP-2021-41/TH | hep-ph astro-ph.HE hep-th nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The holographic models for dense QCD matter work surprisingly well. A general
implication seems that the deconfinement phase transition dictates the maximum
mass of neutron stars. The nuclear matter phase turns out to be rather stiff
which, if continuously merged with nuclear matter models based on effective
field th... | [
{
"created": "Mon, 15 Nov 2021 17:42:33 GMT",
"version": "v1"
}
] | 2022-02-16 | [
[
"Jokela",
"Niko",
""
]
] | The holographic models for dense QCD matter work surprisingly well. A general implication seems that the deconfinement phase transition dictates the maximum mass of neutron stars. The nuclear matter phase turns out to be rather stiff which, if continuously merged with nuclear matter models based on effective field theo... |
2204.10350 | Guilherme Peccini | G. M. Peccini, L. S. Moriggi and M. V. T. Machado | Exclusive $Z^0$ production in $ep$ and $eA$ collisions at high energies | 8 pages, 5 figures | null | 10.1103/PhysRevD.106.014002 | null | hep-ph hep-ex nucl-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | In this work the $k_{\perp}$-factorization formalism is applied to compute
the exclusive $Z^0$ boson photoproduction in $ep$ and $eA$ collisions. The
study is also extended to $pp$ and $AA$ processes. The nuclear effects are
investigated considering heavy and light ions. Analytical models for the
unintegrated gluon d... | [
{
"created": "Thu, 21 Apr 2022 18:11:43 GMT",
"version": "v1"
},
{
"created": "Mon, 13 Jun 2022 23:30:42 GMT",
"version": "v2"
},
{
"created": "Sun, 26 Jun 2022 22:35:58 GMT",
"version": "v3"
}
] | 2022-07-20 | [
[
"Peccini",
"G. M.",
""
],
[
"Moriggi",
"L. S.",
""
],
[
"Machado",
"M. V. T.",
""
]
] | In this work the $k_{\perp}$-factorization formalism is applied to compute the exclusive $Z^0$ boson photoproduction in $ep$ and $eA$ collisions. The study is also extended to $pp$ and $AA$ processes. The nuclear effects are investigated considering heavy and light ions. Analytical models for the unintegrated gluon dis... |
hep-ph/0409130 | Alexey A. Petrov | Alexey A. Petrov | Mixing and CP-violation in charm | 7 pages, 1 figure, 1 table, invited talk at BEACH 2004, 6th
international conference on Hyperons, Charm and Beauty Hadrons, Illionois
Institute of Technology, Chicago, June 27 - July 3, 2004 | Nucl.Phys.Proc.Suppl.142:333-339,2005 | 10.1016/j.nuclphysbps.2005.01.057 | WSU-HEP-0408 | hep-ph | null | The motivation most often cited in searches for D0-anti-D0 mixing and
CP-violation in charm system lies with the possibility of observing a signal
from new physics which dominates that from the Standard Model. We review recent
theoretical predictions and experimental constraints on D0-anti-D0 mixing
parameters. We al... | [
{
"created": "Fri, 10 Sep 2004 22:57:58 GMT",
"version": "v1"
}
] | 2014-11-18 | [
[
"Petrov",
"Alexey A.",
""
]
] | The motivation most often cited in searches for D0-anti-D0 mixing and CP-violation in charm system lies with the possibility of observing a signal from new physics which dominates that from the Standard Model. We review recent theoretical predictions and experimental constraints on D0-anti-D0 mixing parameters. We also... |
hep-ph/0611182 | Yifei Zhang | Y.Zhang, S.Esumi, H.Huang, Y.Miake, S.Sakai and N.Xu | Identify bottom contribution in non-photonic electron spectra and \vv\
from \AuAu collisions at RHIC | 4 pages, 3 figures, proceedings for Hard Probe 2006, Asilomar; to be
published in Nuclear Physics, Section A | Nucl.Phys.A783:489-492,2007 | 10.1016/j.nuclphysa.2006.11.101 | null | hep-ph | null | We present a study on the spectra and elliptic flow v2 for heavy flavor
(charm and bottom) decayed electrons provided the relative contributions of
charm and bottom hadrons from the PYTHIA calculations. We made a simultaneous
fit to both measured non-photonic electron spectra and v2 distributions. The
results suggest... | [
{
"created": "Mon, 13 Nov 2006 21:34:06 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Zhang",
"Y.",
""
],
[
"Esumi",
"S.",
""
],
[
"Huang",
"H.",
""
],
[
"Miake",
"Y.",
""
],
[
"Sakai",
"S.",
""
],
[
"Xu",
"N.",
""
]
] | We present a study on the spectra and elliptic flow v2 for heavy flavor (charm and bottom) decayed electrons provided the relative contributions of charm and bottom hadrons from the PYTHIA calculations. We made a simultaneous fit to both measured non-photonic electron spectra and v2 distributions. The results suggest t... |
1201.0695 | Jens Erler | Jens Erler | Weighing in on the Higgs | 16 pages, 11 figures; additional analyses and figures added following
the 2012 summer conferences, as well as further minor modifications | null | null | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Assuming the validity of the Standard Model, or more generally that possible
physics beyond it would have only small effects on production cross sections,
branching ratios and electroweak radiative corrections, I determine the mass of
the Higgs boson to 124.5 +- 0.8 GeV at the 68% CL. This is arrived at by
combining ... | [
{
"created": "Tue, 3 Jan 2012 16:50:29 GMT",
"version": "v1"
},
{
"created": "Thu, 13 Sep 2012 22:15:34 GMT",
"version": "v2"
}
] | 2012-09-17 | [
[
"Erler",
"Jens",
""
]
] | Assuming the validity of the Standard Model, or more generally that possible physics beyond it would have only small effects on production cross sections, branching ratios and electroweak radiative corrections, I determine the mass of the Higgs boson to 124.5 +- 0.8 GeV at the 68% CL. This is arrived at by combining el... |
hep-ph/0610364 | Ignazio Scimemi | Ignazio Scimemi, Elvira Gamiz, Joaquim Prades | Measuring the a0-a2 pion scattering lengths through K to 3 pi decays | Invited talk at ``QCD 06'', 3-7 July 2006, Montpellier, France | Nucl.Phys.Proc.Suppl.174:105-108,2007 | 10.1016/j.nuclphysbps.2007.08.098 | CERN-PH-TH/2006-219, IFIC/06-37 | hep-ph | null | We discuss the recent Cabibbo's proposal to measure the pion-pion scattering
lengths combination a0-a2 from the cusp effect in the pi0-pi0 energy spectrum
at threshold for K+ to (pi0 pi0 pi+) and KL to (pi0 pi0 pi0). We estimate the
theoretical uncertainty of the a0-a2 determination at NLO in our approach and
obtain ... | [
{
"created": "Fri, 27 Oct 2006 08:32:03 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Scimemi",
"Ignazio",
""
],
[
"Gamiz",
"Elvira",
""
],
[
"Prades",
"Joaquim",
""
]
] | We discuss the recent Cabibbo's proposal to measure the pion-pion scattering lengths combination a0-a2 from the cusp effect in the pi0-pi0 energy spectrum at threshold for K+ to (pi0 pi0 pi+) and KL to (pi0 pi0 pi0). We estimate the theoretical uncertainty of the a0-a2 determination at NLO in our approach and obtain th... |
1412.3107 | JiJi Fan | JiJi Fan, Matthew Reece and Lian-Tao Wang | Precision Natural SUSY at CEPC, FCC-ee, and ILC | 26 pages, 9 figures, minor modifications and to appear in JHEP | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Testing the idea of naturalness is and will continue to be one of the most
important goals of high energy physics experiments. It will play a central role
in the physics program of future colliders. In this paper, we present
projections of the reach of natural SUSY at future lepton colliders: CEPC,
FCC-ee and ILC. We... | [
{
"created": "Tue, 9 Dec 2014 21:00:00 GMT",
"version": "v1"
},
{
"created": "Tue, 8 Sep 2015 18:41:45 GMT",
"version": "v2"
}
] | 2015-09-09 | [
[
"Fan",
"JiJi",
""
],
[
"Reece",
"Matthew",
""
],
[
"Wang",
"Lian-Tao",
""
]
] | Testing the idea of naturalness is and will continue to be one of the most important goals of high energy physics experiments. It will play a central role in the physics program of future colliders. In this paper, we present projections of the reach of natural SUSY at future lepton colliders: CEPC, FCC-ee and ILC. We f... |
1301.0225 | Wei Wang | Cai-Dian L\"u, Ulf-G. Mei{\ss}ner, Wei Wang, Qiang Zhao | Hunting for a scalar glueball in exclusive B decays | 5 pages, 1 figure | Eur. Phys. J. A (2013) 49: 58 | 10.1140/epja/i2013-13058-y | null | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Using flavor SU(3) symmetry for the light quarks validated by the available
experimental data, we propose an intuitive way to hunt for a scalar glueball in
B decays. In the presence of mixing between the glueball and ordinary scalar
mesons, we explore the extraction of the mixing parameters. In particular, we
discuss... | [
{
"created": "Wed, 2 Jan 2013 13:03:22 GMT",
"version": "v1"
}
] | 2013-05-22 | [
[
"Lü",
"Cai-Dian",
""
],
[
"Meißner",
"Ulf-G.",
""
],
[
"Wang",
"Wei",
""
],
[
"Zhao",
"Qiang",
""
]
] | Using flavor SU(3) symmetry for the light quarks validated by the available experimental data, we propose an intuitive way to hunt for a scalar glueball in B decays. In the presence of mixing between the glueball and ordinary scalar mesons, we explore the extraction of the mixing parameters. In particular, we discuss t... |
2010.15919 | Anish Ghoshal | Anish Ghoshal, Anupam Mazumdar, Nobuchika Okada, Desmond Villalba | Non-local Non-Abelian Gauge Theory: Conformal Invariance and
$\beta$-function | Version accepted for publication in PRD. Minor changes in the text
only | Phys. Rev. D 104, 015003 (2021) | 10.1103/PhysRevD.104.015003 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | This paper focuses on extending our previous discussion of an Abelian U(1)
gauge theory involving infinite derivatives to a non-Abelian SU(N) case. The
renormalization group equation (RGEs) of the SU(N) gauge coupling is calculated
and shown to reproduce the local theory $\beta$-function in the limit of the
non-local... | [
{
"created": "Thu, 29 Oct 2020 20:06:53 GMT",
"version": "v1"
},
{
"created": "Sat, 3 Jul 2021 18:31:37 GMT",
"version": "v2"
}
] | 2021-07-07 | [
[
"Ghoshal",
"Anish",
""
],
[
"Mazumdar",
"Anupam",
""
],
[
"Okada",
"Nobuchika",
""
],
[
"Villalba",
"Desmond",
""
]
] | This paper focuses on extending our previous discussion of an Abelian U(1) gauge theory involving infinite derivatives to a non-Abelian SU(N) case. The renormalization group equation (RGEs) of the SU(N) gauge coupling is calculated and shown to reproduce the local theory $\beta$-function in the limit of the non-local s... |
1206.0155 | Dmitry Borisyuk | Dmitry Borisyuk, Alexander Kobushkin | On Delta resonance contribution to two-photon exchange amplitude | 6 pages, 7 figures; Eq.(13) corrected, Fig. 5 changed, other minor
changes; to be published in Phys.Rev.C | Phys. Rev. C 86, 055204 (2012) | 10.1103/PhysRevC.86.055204 | null | hep-ph nucl-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider two-photon exchange (TPE) in the elastic electron-proton
scattering and study the contribution arising from the production of
Delta(1232) resonance in the intermediate state. We calculate all three TPE
amplitudes (generalized form factors), and find that the Delta contribution
mainly influences generalize... | [
{
"created": "Fri, 1 Jun 2012 11:41:56 GMT",
"version": "v1"
},
{
"created": "Mon, 19 Nov 2012 21:47:14 GMT",
"version": "v2"
}
] | 2012-12-10 | [
[
"Borisyuk",
"Dmitry",
""
],
[
"Kobushkin",
"Alexander",
""
]
] | We consider two-photon exchange (TPE) in the elastic electron-proton scattering and study the contribution arising from the production of Delta(1232) resonance in the intermediate state. We calculate all three TPE amplitudes (generalized form factors), and find that the Delta contribution mainly influences generalized ... |
hep-ph/9606341 | Heinz Konig | Heinz K\"onig | SUSY and the decay H_2^0-->gg | 7 pages (plain TeX), 6 figures (not included, available under
request), talk presented at the MRST-96 conference at University of Toronto,
May 9-10, 1996 | null | null | UQAM-PHE-96/03 | hep-ph | null | In this talk I present a detailed SUSY QCD calculation of the decay rate of
the lightest Higgs boson $H^0_2$\ into two gluons, where all quarks and scalar
quarks are taken within the relevant loop diagrams. I include the mixing of all
the three generations of the scalar partners of the left and right handed
quarks an... | [
{
"created": "Fri, 14 Jun 1996 23:19:18 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"König",
"Heinz",
""
]
] | In this talk I present a detailed SUSY QCD calculation of the decay rate of the lightest Higgs boson $H^0_2$\ into two gluons, where all quarks and scalar quarks are taken within the relevant loop diagrams. I include the mixing of all the three generations of the scalar partners of the left and right handed quarks and ... |
hep-ph/9406206 | null | S. Narison | Heavy Quarks from QCD Spectral Sum Rules | CERN-TH 7277/94, Updated version. Latex file (run twice). Talk given
at the {\it XXIXth Rencontre de Moriond on `` QCD and High Energy Hadronic
Interactions"}, M\'eribel, Haute-Savoie, 19--26th March 1994 and at the {\it
Rencontre entre experimentateurs et theoriciens sur ``la violation de CP"},
Orsay, 6--7th M... | null | null | null | hep-ph | null | This is a short review of the present status of the dynamics of the heavy
quarks extracted from QCD spectral sum rules. We discuss the determination of
the ``perturbative" quark mass, the decay constants of the $D$ and $B$ mesons,
the form factors of the semileptonic and radiative decays of the $B$ mesons,
the slope ... | [
{
"created": "Wed, 1 Jun 1994 15:05:08 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Jun 1994 17:41:51 GMT",
"version": "v2"
}
] | 2008-02-03 | [
[
"Narison",
"S.",
""
]
] | This is a short review of the present status of the dynamics of the heavy quarks extracted from QCD spectral sum rules. We discuss the determination of the ``perturbative" quark mass, the decay constants of the $D$ and $B$ mesons, the form factors of the semileptonic and radiative decays of the $B$ mesons, the slope of... |
hep-ph/9609250 | null | M. Burkardt and H. El-Khozondar (NMSU) | A 3+1 Dimensional Light-Front Model with Spontaneous Breaking of Chiral
Symmetry | 6 pages, REVTEX | Phys.Rev. D55 (1997) 6514-6521 | 10.1103/PhysRevD.55.6514 | null | hep-ph | null | We investigate a 3+1 dimensional toy model that exhibits spontaneous
breakdown of chiral symmetry, both in a light-front (LF) Hamiltonian and in a
Euclidean Schwinger-Dyson (SD) formulation. We show that both formulations are
completely equivalent --- provided the renormalization is properly done. For
the model consi... | [
{
"created": "Wed, 4 Sep 1996 19:57:37 GMT",
"version": "v1"
}
] | 2009-10-28 | [
[
"Burkardt",
"M.",
"",
"NMSU"
],
[
"El-Khozondar",
"H.",
"",
"NMSU"
]
] | We investigate a 3+1 dimensional toy model that exhibits spontaneous breakdown of chiral symmetry, both in a light-front (LF) Hamiltonian and in a Euclidean Schwinger-Dyson (SD) formulation. We show that both formulations are completely equivalent --- provided the renormalization is properly done. For the model conside... |
hep-ph/0701019 | Johannes Bluemlein | Johannes Bl\"umlein and Hiroyuki Kawamura | Universal Higher Order Singlet QED Corrections to Unpolarized Lepton
Scattering | 31 pages, 3 figures, 1 style file | Eur.Phys.J.C51:317-333,2007 | 10.1140/epjc/s10052-007-0300-0 | DESY 04-064, SFB/CPP-06-63 | hep-ph | null | We calculate the universal flavor-singlet radiative QED corrections to
unpolarized lepton scattering applicable to general differential scattering
cross sections, involving charged fermions or photons in initial or final
states. The radiators are derived to $O((\alpha \ln(Q^2/m_f^2))^5)$ in analytic
form. Numerical i... | [
{
"created": "Wed, 3 Jan 2007 15:01:00 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Blümlein",
"Johannes",
""
],
[
"Kawamura",
"Hiroyuki",
""
]
] | We calculate the universal flavor-singlet radiative QED corrections to unpolarized lepton scattering applicable to general differential scattering cross sections, involving charged fermions or photons in initial or final states. The radiators are derived to $O((\alpha \ln(Q^2/m_f^2))^5)$ in analytic form. Numerical ill... |
1802.00444 | Matthew Reece | Mustafa A. Amin, JiJi Fan, Kaloian D. Lozanov and Matthew Reece | Higgscitement: Cosmological Dynamics of Fine Tuning | v2: 8 pages + 14 pages of appendices, 10 figures. Clarified and
expanded discussion, more numerical simulations and evidence, references
added. Accepted by Phys Rev D | Phys. Rev. D 99, 035008 (2019) | 10.1103/PhysRevD.99.035008 | Brown-HET-1762 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The Higgs potential appears to be fine-tuned, hence very sensitive to values
of other scalar fields that couple to the Higgs. We show that this feature can
lead to a new epoch in the early universe featuring violent dynamics coupling
the Higgs to a scalar modulus. The oscillating modulus drives tachyonic Higgs
partic... | [
{
"created": "Thu, 1 Feb 2018 19:00:00 GMT",
"version": "v1"
},
{
"created": "Fri, 18 Jan 2019 14:11:31 GMT",
"version": "v2"
}
] | 2019-02-20 | [
[
"Amin",
"Mustafa A.",
""
],
[
"Fan",
"JiJi",
""
],
[
"Lozanov",
"Kaloian D.",
""
],
[
"Reece",
"Matthew",
""
]
] | The Higgs potential appears to be fine-tuned, hence very sensitive to values of other scalar fields that couple to the Higgs. We show that this feature can lead to a new epoch in the early universe featuring violent dynamics coupling the Higgs to a scalar modulus. The oscillating modulus drives tachyonic Higgs particle... |
2402.07504 | Chaja Baruch | Chaja Baruch, P. Bryan Changala, Yuval Shagam, Yotam Soreq | Constraining CP violating nucleon-nucleon long range interactions in
diatomic eEDM searches | 9 pages, 4 figures | null | null | null | hep-ph hep-ex physics.atom-ph | http://creativecommons.org/licenses/by/4.0/ | The searches for CP violating effects in diatomic molecules, such as
$\text{HfF}^+$ and ThO, are typically interpreted as a probe of the electron's
electric dipole moment ($e\text{EDM}$), a new electron-nucleon interaction, and
a new electron-electron interaction. However, in the case of a non-vanishing
nuclear spin,... | [
{
"created": "Mon, 12 Feb 2024 09:21:09 GMT",
"version": "v1"
}
] | 2024-02-13 | [
[
"Baruch",
"Chaja",
""
],
[
"Changala",
"P. Bryan",
""
],
[
"Shagam",
"Yuval",
""
],
[
"Soreq",
"Yotam",
""
]
] | The searches for CP violating effects in diatomic molecules, such as $\text{HfF}^+$ and ThO, are typically interpreted as a probe of the electron's electric dipole moment ($e\text{EDM}$), a new electron-nucleon interaction, and a new electron-electron interaction. However, in the case of a non-vanishing nuclear spin, a... |
1210.5976 | Dominik Werder | Gunnar Ingelman, Roman Pasechnik, Johan Rathsman, Dominik Werder | Diffractive W production at hadron colliders as a test of colour singlet
exchange mechanisms | 17 pages, 8 figures | Phys.Rev. D87 (2013) 094017 | 10.1103/PhysRevD.87.094017 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We revisit diffractive and exclusive W production at hadron colliders in
different models for soft colour exchanges. The process pp to p[WX]p, and in
particular a W charge asymmetry, has been suggested as a way to discriminate
diffractive processes as being due to pomeron exchange in Regge phenomenology
or QCD-based ... | [
{
"created": "Mon, 22 Oct 2012 17:32:17 GMT",
"version": "v1"
}
] | 2013-07-16 | [
[
"Ingelman",
"Gunnar",
""
],
[
"Pasechnik",
"Roman",
""
],
[
"Rathsman",
"Johan",
""
],
[
"Werder",
"Dominik",
""
]
] | We revisit diffractive and exclusive W production at hadron colliders in different models for soft colour exchanges. The process pp to p[WX]p, and in particular a W charge asymmetry, has been suggested as a way to discriminate diffractive processes as being due to pomeron exchange in Regge phenomenology or QCD-based co... |
hep-ph/9606481 | Frans Klinkhamer | F. R. Klinkhamer and J. Weller | Construction of a new constrained instanton in Yang-Mills-Higgs theory | Version published. 19 pages LaTeX, including 2 Postscript figures.
The complete ps-file is also available via WWW under
http://www-itp.physik.uni-karlsruhe.de/prep/prep.html | Nucl.Phys. B481 (1996) 403-420 | 10.1016/S0550-3213(96)90145-5 | KA-TP-13-1996 | hep-ph hep-th | null | A self-consistent ansatz is presented for a four-dimensional euclidean
solution (instanton) in the vacuum sector of constrained SU(2) Yang-Mills-Higgs
theory.
| [
{
"created": "Sat, 29 Jun 1996 10:50:05 GMT",
"version": "v1"
},
{
"created": "Sun, 23 Feb 1997 13:24:23 GMT",
"version": "v2"
}
] | 2015-06-25 | [
[
"Klinkhamer",
"F. R.",
""
],
[
"Weller",
"J.",
""
]
] | A self-consistent ansatz is presented for a four-dimensional euclidean solution (instanton) in the vacuum sector of constrained SU(2) Yang-Mills-Higgs theory. |
1605.07195 | Joshua Berger | Joshua Berger, Karsten Jedamzik and Devin G. E. Walker | Cosmological Constraints on Decoupled Dark Photons and Dark Higgs | 19 pages, 13 figures | null | 10.1088/1475-7516/2016/11/032 | SLAC-PUB-16533 | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Any neutral boson such as a dark photon or dark Higgs that is part of a
non-standard sector of particles can mix with its standard model counterpart.
When very weakly mixed with the Standard Model, these particles are produced in
the early Universe via the freeze-in mechanism and subsequently decay back to
standard m... | [
{
"created": "Mon, 23 May 2016 20:01:04 GMT",
"version": "v1"
}
] | 2016-11-23 | [
[
"Berger",
"Joshua",
""
],
[
"Jedamzik",
"Karsten",
""
],
[
"Walker",
"Devin G. E.",
""
]
] | Any neutral boson such as a dark photon or dark Higgs that is part of a non-standard sector of particles can mix with its standard model counterpart. When very weakly mixed with the Standard Model, these particles are produced in the early Universe via the freeze-in mechanism and subsequently decay back to standard mod... |
1004.4875 | Adeola Adeluyi | Adeola Adeluyi, Trang Nguyen, Bao-An Li | Charged hadrons and nuclear parton distributions in p(d)A collisions | 10 pages, 6 figures, corrected typographical error in author's
address | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Nuclear gluon modifications are the least constrained component of current
global fits to nuclear parton distributions, due to the inadequate constraining
power of presently available experimental data from nuclear deep inelastic
scattering and nuclear Drell-Yan lepton-pair production. A recent advance is
the use of ... | [
{
"created": "Tue, 27 Apr 2010 17:56:40 GMT",
"version": "v1"
},
{
"created": "Wed, 30 Jun 2010 14:14:46 GMT",
"version": "v2"
}
] | 2010-07-01 | [
[
"Adeluyi",
"Adeola",
""
],
[
"Nguyen",
"Trang",
""
],
[
"Li",
"Bao-An",
""
]
] | Nuclear gluon modifications are the least constrained component of current global fits to nuclear parton distributions, due to the inadequate constraining power of presently available experimental data from nuclear deep inelastic scattering and nuclear Drell-Yan lepton-pair production. A recent advance is the use of ob... |
1006.1092 | K. S. Babu | K.S. Babu and J. Julio (Oklahoma State University) | Two-Loop Neutrino Mass Generation through Leptoquarks | 30 pages in LaTeX, 10 eps figures, references added, expanded
discussion on B_s mixing | Nucl.Phys.B841:130-156,2010 | 10.1016/j.nuclphysb.2010.07.022 | OSU-HEP-10-05 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present a new model of radiative neutrino mass generation wherein TeV
scale leptoguark scalars induce tiny neutrino masses as two-loop radiative
corrections. The neutrino oscillation parameter \sin^2\theta_{13} is predicted
to be close to the current experimental limit within the model. Rare lepton
flavor violatin... | [
{
"created": "Sun, 6 Jun 2010 09:01:36 GMT",
"version": "v1"
},
{
"created": "Sat, 3 Jul 2010 04:39:51 GMT",
"version": "v2"
}
] | 2014-11-21 | [
[
"Babu",
"K. S.",
"",
"Oklahoma State University"
],
[
"Julio",
"J.",
"",
"Oklahoma State University"
]
] | We present a new model of radiative neutrino mass generation wherein TeV scale leptoguark scalars induce tiny neutrino masses as two-loop radiative corrections. The neutrino oscillation parameter \sin^2\theta_{13} is predicted to be close to the current experimental limit within the model. Rare lepton flavor violating ... |
1304.4262 | Lucian Harland-Lang | L.A. Harland-Lang, V.A. Khoze, M.G. Ryskin, W.J. Stirling | Probing the perturbative dynamics of exclusive meson pair production | Version accepted for publication in Physics Letters B. 7 pages, 5
figures | Physics Letters B 724 (2013) 115-120 | 10.1016/j.physletb.2013.07.022 | IPPP/13/21, DCPT/13/42, Cavendish-HEP-13/04 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We present the results of a recent novel application of the `hard exclusive'
perturbative formalism to the process gg --> MMbar at large angles, where M
(Mbar) is a light meson (anti-meson). As well as discussing the important
theoretical features of the relevant leading-order gg --> qqbar(gg) qqbar(gg)
6-parton ampl... | [
{
"created": "Mon, 15 Apr 2013 20:47:54 GMT",
"version": "v1"
},
{
"created": "Tue, 20 Aug 2013 09:36:41 GMT",
"version": "v2"
}
] | 2013-08-21 | [
[
"Harland-Lang",
"L. A.",
""
],
[
"Khoze",
"V. A.",
""
],
[
"Ryskin",
"M. G.",
""
],
[
"Stirling",
"W. J.",
""
]
] | We present the results of a recent novel application of the `hard exclusive' perturbative formalism to the process gg --> MMbar at large angles, where M (Mbar) is a light meson (anti-meson). As well as discussing the important theoretical features of the relevant leading-order gg --> qqbar(gg) qqbar(gg) 6-parton amplit... |
hep-ph/9810267 | Jim Cline | James M. Cline | Predictions for SUSY Particle Masses from Electroweak Baryogenesis | 5pp, 12 figures, uses psfig and ltwol2e2.sty (included); invited talk
presented at ICHEP `98, Vancouver | null | null | McGill-98/27 | hep-ph | null | In collaboration with G.D. Moore, the electroweak phase transition in the
minimal supersymmetric standard model is studied using the two-loop effective
potential. We make a comprehensive search of the MSSM parameter space
consistent with electroweak baryogenesis, taking into account various factors:
the latest experi... | [
{
"created": "Tue, 6 Oct 1998 19:35:49 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Cline",
"James M.",
""
]
] | In collaboration with G.D. Moore, the electroweak phase transition in the minimal supersymmetric standard model is studied using the two-loop effective potential. We make a comprehensive search of the MSSM parameter space consistent with electroweak baryogenesis, taking into account various factors: the latest experime... |
0711.4544 | Yogiro Hama | Yogiro Hama, Rone Peterson G. Andrade, Fr\'ed\'erique Grassi,
Wei-Liang Qian, Takeshi Osada, Carlos Eduardo Aguiar, Takeshi Kodama | NeXSPheRIO Results on Elliptic-Flow Fluctuations at RHIC | 12 pages, 6 figures, prepared for the Workshop "Relativistic Nuclear
Physics: from Nuclotron to LHC Energies", June 18-22, 2007 (BITP, Kiev,
Ukraine) | Phys.Atom.Nucl.71:1558-1564,2008 | 10.1134/S106377880809010X | null | hep-ph | null | By using the NexSPheRIO code, we study the elliptic-flow fluctuations in
Au+Au collisions at 200A GeV. It is shown that, by fixing the parameters of the
model to correctly reproduce the charged pseudo-rapidity and the
transverse-momentum distributions, reasonable agreement of <v_2> with data is
obtained, both as func... | [
{
"created": "Wed, 28 Nov 2007 17:38:49 GMT",
"version": "v1"
}
] | 2008-11-26 | [
[
"Hama",
"Yogiro",
""
],
[
"Andrade",
"Rone Peterson G.",
""
],
[
"Grassi",
"Frédérique",
""
],
[
"Qian",
"Wei-Liang",
""
],
[
"Osada",
"Takeshi",
""
],
[
"Aguiar",
"Carlos Eduardo",
""
],
[
"Kodama",
"Takeshi",... | By using the NexSPheRIO code, we study the elliptic-flow fluctuations in Au+Au collisions at 200A GeV. It is shown that, by fixing the parameters of the model to correctly reproduce the charged pseudo-rapidity and the transverse-momentum distributions, reasonable agreement of <v_2> with data is obtained, both as functi... |
hep-ph/9602279 | Youichi Yamada | Youichi Yamada | Radiative corrections to sfermion mass splittings | 11 pages (LaTeX) and 8 figures (postscript), to be published | Phys.Rev. D54 (1996) 1150-1154 | 10.1103/PhysRevD.54.1150 | MADPH-96-931 | hep-ph | null | We study the one-loop radiative corrections to the SU(2) breaking mass
splittings between sfermions in SU(2) doublets in the Minimal Supersymmetric
Standard Model. At tree-level, the differences of mass squared
$m_{\tilde{f}_{1L}}^2-m_{\tilde{f}_{2L}}^2$ of SU(2) doublet sfermions
$(\tilde{f}_1, \tilde{f}_2)_L$ in th... | [
{
"created": "Mon, 12 Feb 1996 21:03:34 GMT",
"version": "v1"
},
{
"created": "Mon, 22 Apr 1996 22:47:26 GMT",
"version": "v2"
}
] | 2009-10-28 | [
[
"Yamada",
"Youichi",
""
]
] | We study the one-loop radiative corrections to the SU(2) breaking mass splittings between sfermions in SU(2) doublets in the Minimal Supersymmetric Standard Model. At tree-level, the differences of mass squared $m_{\tilde{f}_{1L}}^2-m_{\tilde{f}_{2L}}^2$ of SU(2) doublet sfermions $(\tilde{f}_1, \tilde{f}_2)_L$ in the ... |
1202.6088 | Tianjun Li | Taoli Cheng, Jinmian Li, Tianjun Li, Dimitri V. Nanopoulos, Chunli
Tong | Electroweak Supersymmetry around the Electroweak Scale | RevTex4, 28 pages, 8 figures, 8 tables, version to appear in EPJC | null | 10.1140/epjc/s10052-013-2322-0 | ACT-03-12, MIFPA-12-07 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Inspired by the phenomenological constraints, LHC supersymmetry and Higgs
searches, dark matter search as well as string model building, we propose the
electroweak supersymmetry around the electroweak scale: the squarks and/or
gluinos are around a few TeV while the sleptons, sneutrinos, bino and winos are
within one ... | [
{
"created": "Mon, 27 Feb 2012 23:11:08 GMT",
"version": "v1"
},
{
"created": "Tue, 12 Feb 2013 16:00:13 GMT",
"version": "v2"
}
] | 2015-06-04 | [
[
"Cheng",
"Taoli",
""
],
[
"Li",
"Jinmian",
""
],
[
"Li",
"Tianjun",
""
],
[
"Nanopoulos",
"Dimitri V.",
""
],
[
"Tong",
"Chunli",
""
]
] | Inspired by the phenomenological constraints, LHC supersymmetry and Higgs searches, dark matter search as well as string model building, we propose the electroweak supersymmetry around the electroweak scale: the squarks and/or gluinos are around a few TeV while the sleptons, sneutrinos, bino and winos are within one Te... |
hep-ph/9907504 | Daniel Boer | Daniel Boer (RIKEN-BNL Research Center, Brookhaven), R. Jakob (Pavia)
and P.J. Mulders (Free University, Amsterdam) | Angular dependences in electroweak semi-inclusive leptoproduction | 10 pages, Revtex, 5 Postscript figures, uses aps.sty, epsfig.sty | Nucl.Phys. B564 (2000) 471-485 | 10.1016/S0550-3213(99)00586-6 | RIKEN-BNL preprint, VUTH 99-19, FNT/T-99/14 | hep-ph | null | We present the leading order unpolarized and polarized cross sections in
electroweak semi-inclusive deep inelastic leptoproduction. The azimuthal
dependences in the cross section differential in the transverse momentum of the
vector boson arise due to intrinsic transverse momenta of the quarks. However,
the presented... | [
{
"created": "Mon, 26 Jul 1999 22:12:08 GMT",
"version": "v1"
}
] | 2009-10-31 | [
[
"Boer",
"Daniel",
"",
"RIKEN-BNL Research Center, Brookhaven"
],
[
"Jakob",
"R.",
"",
"Pavia"
],
[
"Mulders",
"P. J.",
"",
"Free University, Amsterdam"
]
] | We present the leading order unpolarized and polarized cross sections in electroweak semi-inclusive deep inelastic leptoproduction. The azimuthal dependences in the cross section differential in the transverse momentum of the vector boson arise due to intrinsic transverse momenta of the quarks. However, the presented a... |
1909.02840 | Suman Kumbhakar | Suman Kumbhakar, Ashutosh Kumar Alok, Dinesh Kumar, S. Uma Sankar | A global fit to $b\rightarrow c\tau\bar{\nu}$ anomalies after Moriond
2019 | 5 pages, Based on arXiv:1903.10486, Contribution to proceedings of
EPS-HEP 2019, July 10-17, 2019, Ghent, Belgium | PoS EPS-HEP2019 (2020) 272 | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | At Moriond 2019, Belle collaboration announced their new measurements on
$R_D$ and $R_{D^*}$ which are in agreement with their Standard Model (SM)
predictions within $1.2\sigma$. After inclusion of these measurements, the
discrepancy between the world averages and the SM predictions of
$R_D$-$R_{D^*}$ comes down from... | [
{
"created": "Fri, 6 Sep 2019 12:02:50 GMT",
"version": "v1"
}
] | 2021-01-07 | [
[
"Kumbhakar",
"Suman",
""
],
[
"Alok",
"Ashutosh Kumar",
""
],
[
"Kumar",
"Dinesh",
""
],
[
"Sankar",
"S. Uma",
""
]
] | At Moriond 2019, Belle collaboration announced their new measurements on $R_D$ and $R_{D^*}$ which are in agreement with their Standard Model (SM) predictions within $1.2\sigma$. After inclusion of these measurements, the discrepancy between the world averages and the SM predictions of $R_D$-$R_{D^*}$ comes down from $... |
1205.3860 | Prashant Shukla | V. Kumar, P. Shukla and R. Vogt | Components of the dilepton continuum in Pb+Pb collisions at
$\sqrt{s_{_{NN}}} = 2.76 $ TeV | 18 pages, 9 figures | null | 10.1103/PhysRevC.86.054907 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The dilepton invariant mass spectrum measured in heavy-ion collisions
includes contributions from important QGP probes such as thermal radiation and
the quarkonium ($J/\psi$, $\psi'$ and $\Upsilon$) states. Dileptons coming from
hard $q \bar q$ scattering, the Drell-Yan process, contribute in all mass
regions. In hea... | [
{
"created": "Thu, 17 May 2012 06:48:57 GMT",
"version": "v1"
},
{
"created": "Wed, 26 Sep 2012 08:12:33 GMT",
"version": "v2"
},
{
"created": "Thu, 27 Sep 2012 12:35:09 GMT",
"version": "v3"
}
] | 2015-06-05 | [
[
"Kumar",
"V.",
""
],
[
"Shukla",
"P.",
""
],
[
"Vogt",
"R.",
""
]
] | The dilepton invariant mass spectrum measured in heavy-ion collisions includes contributions from important QGP probes such as thermal radiation and the quarkonium ($J/\psi$, $\psi'$ and $\Upsilon$) states. Dileptons coming from hard $q \bar q$ scattering, the Drell-Yan process, contribute in all mass regions. In heavy... |
1703.10188 | Sebastian Ohmer | Manfred Lindner and Sebastian Ohmer | Emerging Internal Symmetries from Effective Spacetimes | 6 pages, discussion extended, version published in Phys. Lett. B | Phys.Lett. B773 (2017) 231-235 | 10.1016/j.physletb.2017.08.026 | null | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Can global internal and spacetime symmetries be connected without
supersymmetry? To answer this question, we investigate Minkowski spacetimes
with d space-like extra dimensions and point out under which general conditions
external symmetries induce internal symmetries in the effective 4-dimensional
theories. We furth... | [
{
"created": "Wed, 29 Mar 2017 18:21:32 GMT",
"version": "v1"
},
{
"created": "Mon, 4 Sep 2017 17:21:12 GMT",
"version": "v2"
}
] | 2017-09-05 | [
[
"Lindner",
"Manfred",
""
],
[
"Ohmer",
"Sebastian",
""
]
] | Can global internal and spacetime symmetries be connected without supersymmetry? To answer this question, we investigate Minkowski spacetimes with d space-like extra dimensions and point out under which general conditions external symmetries induce internal symmetries in the effective 4-dimensional theories. We further... |
hep-ph/0106142 | Todd M. Tinsley | Todd M. Tinsley | Z decay into two massless gauge bosons in a magnetic field | 14 pages, 2 figures, needs RevTeX4; typos corrected, appendix added,
references added, format changed to preprint mode | Phys.Rev. D65 (2002) 013008 | 10.1103/PhysRevD.65.013008 | UTEXAS-HEP-01-22 | hep-ph | null | An investigation of the processes Z to gluon-gluon and Z to photon-photon in
a background magnetic field is presented. For homogeneous fields corrections to
the charged fermion propagator can be calculated in leading orders of the
magnetic field. This work examines the first order contributions of the
corrected propa... | [
{
"created": "Wed, 13 Jun 2001 21:24:22 GMT",
"version": "v1"
},
{
"created": "Thu, 30 Aug 2001 08:29:54 GMT",
"version": "v2"
}
] | 2013-05-29 | [
[
"Tinsley",
"Todd M.",
""
]
] | An investigation of the processes Z to gluon-gluon and Z to photon-photon in a background magnetic field is presented. For homogeneous fields corrections to the charged fermion propagator can be calculated in leading orders of the magnetic field. This work examines the first order contributions of the corrected propaga... |
1502.03361 | Jacobo Ruiz de Elvira | R. Navarro P\'erez, E. Ruiz Arriola and J. Ruiz de Elvira | Self-consistent statistical error analysis of $\pi\pi$ scattering | 17 pg, 22 figures | Phys.Rev. D91 (2015) 074014 | 10.1103/PhysRevD.91.074014 | null | hep-ph nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We analyze the conditions under which a statistical error analysis can be
carried out in the case of $\pi\pi$ scattering, namely the normality of
residuals in the conventional $\chi^2$-fit method. Here we check that the
current and benchmarking analyses only present very small violations of the
normality requirements... | [
{
"created": "Wed, 11 Feb 2015 16:24:59 GMT",
"version": "v1"
}
] | 2016-02-08 | [
[
"Pérez",
"R. Navarro",
""
],
[
"Arriola",
"E. Ruiz",
""
],
[
"de Elvira",
"J. Ruiz",
""
]
] | We analyze the conditions under which a statistical error analysis can be carried out in the case of $\pi\pi$ scattering, namely the normality of residuals in the conventional $\chi^2$-fit method. Here we check that the current and benchmarking analyses only present very small violations of the normality requirements. ... |
1303.6953 | Vincenzo Cirigliano | Vincenzo Cirigliano, Susan Gardner, Barry Holstein | Beta Decays and Non-Standard Interactions in the LHC Era | To appear in Prog. Part. Nucl. Phys | null | 10.1016/j.ppnp.2013.03.005 | null | hep-ph nucl-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We consider the role of precision measurements of beta decays and light meson
semi-leptonic decays in probing physics beyond the Standard Model in the LHC
era. We describe all low-energy charged-current processes within and beyond the
Standard Model using an effective field theory framework. We first discuss the
theo... | [
{
"created": "Wed, 27 Mar 2013 20:00:02 GMT",
"version": "v1"
}
] | 2015-06-15 | [
[
"Cirigliano",
"Vincenzo",
""
],
[
"Gardner",
"Susan",
""
],
[
"Holstein",
"Barry",
""
]
] | We consider the role of precision measurements of beta decays and light meson semi-leptonic decays in probing physics beyond the Standard Model in the LHC era. We describe all low-energy charged-current processes within and beyond the Standard Model using an effective field theory framework. We first discuss the theore... |
2403.07084 | Daniel Boyanovsky | Nathan Herring, Shuyang Cao, Daniel Boyanovsky | Is the effective potential, effective for dynamics? | 51 pages, 5 figures, more references and discussions | Phys. Rev. D 109, 105021 (2024) | 10.1103/PhysRevD.109.105021 | null | hep-ph hep-th quant-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We critically examine the applicability of the effective potential within
dynamical situations and find, in short, that the answer is negative. An
important caveat of the use of an effective potential in dynamical equations of
motion is an explicit violation of energy conservation.
An \emph{adiabatic} effective pot... | [
{
"created": "Mon, 11 Mar 2024 18:19:06 GMT",
"version": "v1"
},
{
"created": "Thu, 16 May 2024 11:49:40 GMT",
"version": "v2"
}
] | 2024-05-17 | [
[
"Herring",
"Nathan",
""
],
[
"Cao",
"Shuyang",
""
],
[
"Boyanovsky",
"Daniel",
""
]
] | We critically examine the applicability of the effective potential within dynamical situations and find, in short, that the answer is negative. An important caveat of the use of an effective potential in dynamical equations of motion is an explicit violation of energy conservation. An \emph{adiabatic} effective potenti... |
2408.04953 | Zuowei Liu | Changqian Li, Zuowei Liu, Wenxi Lu, Zicheng Ye | Low-Energy Supernova Constraints on Millicharged Particles | 14 pages, 11 figures | null | null | null | hep-ph astro-ph.CO astro-ph.HE | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The hot and dense environment of the supernova core serves as an
extraordinary factory for new feebly-interacting particles. Low-energy
supernovae, a class of supernovae with low explosion energy, are particularly
intriguing due to their stringent constraints on the energy transfer caused by
new particles from the su... | [
{
"created": "Fri, 9 Aug 2024 09:15:41 GMT",
"version": "v1"
}
] | 2024-08-12 | [
[
"Li",
"Changqian",
""
],
[
"Liu",
"Zuowei",
""
],
[
"Lu",
"Wenxi",
""
],
[
"Ye",
"Zicheng",
""
]
] | The hot and dense environment of the supernova core serves as an extraordinary factory for new feebly-interacting particles. Low-energy supernovae, a class of supernovae with low explosion energy, are particularly intriguing due to their stringent constraints on the energy transfer caused by new particles from the supe... |
hep-ph/9707517 | Apostolos Pilaftsis | Zoltan Gagyi-Palffy (Mainz Univ.), Apostolos Pilaftsis (MPI, Munich)
and Karl Schilcher (Univ. of California, San Diego) | Gauge-Independent Analysis of K_L --> e \mu in Left-Right Models | 44 pages, LaTeX, six encapsulated figures included | Nucl.Phys. B513 (1998) 517-554 | 10.1016/S0550-3213(97)00764-5 | MZ-TH/97-28, MPI/PhT/97-47, UCSD/97-18 | hep-ph | null | The lepton-flavour-violating decay K_L --> e \mu is studied in detail within
the context of SU(2)_R x SU(2)_L x U(1)_(B-L) models, which include heavy
Majorana neutrinos. Particular attention is paid to the gauge independence of
this decay process to one loop. In analogy with earlier studies on the
K^0\bar{K}^0 mixin... | [
{
"created": "Wed, 30 Jul 1997 16:38:25 GMT",
"version": "v1"
}
] | 2009-10-30 | [
[
"Gagyi-Palffy",
"Zoltan",
"",
"Mainz Univ."
],
[
"Pilaftsis",
"Apostolos",
"",
"MPI, Munich"
],
[
"Schilcher",
"Karl",
"",
"Univ. of California, San Diego"
]
] | The lepton-flavour-violating decay K_L --> e \mu is studied in detail within the context of SU(2)_R x SU(2)_L x U(1)_(B-L) models, which include heavy Majorana neutrinos. Particular attention is paid to the gauge independence of this decay process to one loop. In analogy with earlier studies on the K^0\bar{K}^0 mixing,... |
2203.03964 | Parsa Hossein Ghorbani | Parsa Ghorbani | Dark Matter and Muon $g-2$ Anomaly via Scale Symmetry Breaking | 18 pages, 7 figures, references added, matches the published version | null | 10.1007/JHEP04(2022)170 | null | hep-ph hep-th | http://creativecommons.org/licenses/by/4.0/ | The Standard Model (SM) without the Higgs mass term is scale invariant.
Gildener and Weinberg generalized the scale invariant standard model (SISM) by
including the multiplication of scalars in quartic forms. They pointed out that
along the flat direction only one scalar -- called the scalon -- is classically
massles... | [
{
"created": "Tue, 8 Mar 2022 09:42:52 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Apr 2022 12:48:50 GMT",
"version": "v2"
}
] | 2022-05-18 | [
[
"Ghorbani",
"Parsa",
""
]
] | The Standard Model (SM) without the Higgs mass term is scale invariant. Gildener and Weinberg generalized the scale invariant standard model (SISM) by including the multiplication of scalars in quartic forms. They pointed out that along the flat direction only one scalar -- called the scalon -- is classically massless ... |
hep-ph/0511096 | Frieder Kleefeld | F. Kleefeld (CFIF, IST, Lisbon, Portugal) | On a new unitarization scheme inspired by Dalitz and Tuan applied to
meson-meson and meson-baryon scattering | 4 pages, 3 figures; contribution to Proc. Int. Europhysics Conf. on
High Energy Physics (HEP2005), 21-27.7.2005, Lisboa, Portugal;
PoS(HEP2005)108 | PoS(HEP2005)108 | null | FK-2005-8 | hep-ph | null | A new crossing symmetric unitarization scheme conveniently applied to
meson-meson and meson-baryon scattering amplitudes is shortly proposed which
can be not only used by theoreticians to unitarize arbitrary theoretical
reaction amplitudes resulting from phenomenological Lagrangeans for mesons and
baryons, yet also b... | [
{
"created": "Tue, 8 Nov 2005 14:51:51 GMT",
"version": "v1"
}
] | 2009-04-25 | [
[
"Kleefeld",
"F.",
"",
"CFIF, IST, Lisbon, Portugal"
]
] | A new crossing symmetric unitarization scheme conveniently applied to meson-meson and meson-baryon scattering amplitudes is shortly proposed which can be not only used by theoreticians to unitarize arbitrary theoretical reaction amplitudes resulting from phenomenological Lagrangeans for mesons and baryons, yet also by ... |
hep-ph/9610278 | Richard J. Gonsalves | Richard J. Gonsalves (SUNY at Buffalo) and C.F. Wai (Academica Sinica,
Taipei) | Chromo-electroweak interference and parity-violating asymmetries in the
production of an electroweak boson + two jets in hadron collisions | 66 pages, 20 Postscript figures in 2 files, uses REVTeX v3.0 | Phys.Rev.D49:190,1994; Erratum-ibid.D51:1428,1995;
Phys.Rev.D51:1428,1995 | 10.1103/PhysRevD.49.190 10.1103/PhysRevD.51.1428 | UB-HET-93-1 | hep-ph | null | In the Standard Model the process $q\bar{q}\rightarrow q\bar{q}V$ (where
$V=W^\pm,Z^0$ or $\gamma$) can occur via gluon exchange and also via $W^\pm$ or
$Z^0$ exchange. The corresponding chromodynamic and electroweak amplitudes can
interfere with one another. These interference cross sections are largest when
the exc... | [
{
"created": "Mon, 7 Oct 1996 22:07:00 GMT",
"version": "v1"
}
] | 2014-11-17 | [
[
"Gonsalves",
"Richard J.",
"",
"SUNY at Buffalo"
],
[
"Wai",
"C. F.",
"",
"Academica Sinica,\n Taipei"
]
] | In the Standard Model the process $q\bar{q}\rightarrow q\bar{q}V$ (where $V=W^\pm,Z^0$ or $\gamma$) can occur via gluon exchange and also via $W^\pm$ or $Z^0$ exchange. The corresponding chromodynamic and electroweak amplitudes can interfere with one another. These interference cross sections are largest when the excha... |
2203.13145 | Stefan Evans | Stefan Evans and Johann Rafelski | Emergence of periodic in magnetic moment effective QED action | 10 pages, 2 figures, published in Physics Letters B | Phys. Lett. B, 137190 (2022) | 10.1016/j.physletb.2022.137190 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We evaluate for the inhomogeneous static electric Sauter step potential the
imaginary part of the emerging homogeneous in electric field effective
Euler-Heisenberg-Schwinger action sourced by vacuum fluctuations of a charged
particle with magnetic moment of arbitrary strength. The result is convergent
for all values ... | [
{
"created": "Thu, 24 Mar 2022 16:00:16 GMT",
"version": "v1"
},
{
"created": "Fri, 27 May 2022 10:52:46 GMT",
"version": "v2"
}
] | 2022-05-30 | [
[
"Evans",
"Stefan",
""
],
[
"Rafelski",
"Johann",
""
]
] | We evaluate for the inhomogeneous static electric Sauter step potential the imaginary part of the emerging homogeneous in electric field effective Euler-Heisenberg-Schwinger action sourced by vacuum fluctuations of a charged particle with magnetic moment of arbitrary strength. The result is convergent for all values of... |
hep-ph/0107275 | Nikolai Kivel | N. Kivel | On hard electroproduction of mesons: helicity flip amplitudes with
tensor gluon contributions | 17 pages, 7 figures; typos corrected, to appear in Phys. Rev. D | Phys.Rev. D65 (2002) 054010 | 10.1103/PhysRevD.65.054010 | null | hep-ph | null | We consider hard electroproduction of mesons at twist-3 level and focus our
attention on helicity flip amplitudes corresponding to the production of
transversely polarized mesons by transverse photons. We demonstrate that
helicity-flip amplitude for the transversely polarized particles are closely
related to the cont... | [
{
"created": "Thu, 26 Jul 2001 15:01:34 GMT",
"version": "v1"
},
{
"created": "Wed, 16 Jan 2002 09:40:51 GMT",
"version": "v2"
}
] | 2009-11-07 | [
[
"Kivel",
"N.",
""
]
] | We consider hard electroproduction of mesons at twist-3 level and focus our attention on helicity flip amplitudes corresponding to the production of transversely polarized mesons by transverse photons. We demonstrate that helicity-flip amplitude for the transversely polarized particles are closely related to the contri... |
1710.11102 | Jusak Tandean | Gaber Faisel, Jusak Tandean | Connecting $b\to s\ell\bar\ell$ anomalies to enhanced rare nonleptonic
$\bar{B}_s^0$ decays in $Z'$ model | 17 pages, 4 figures, somewhat revised, comments & references added,
matches publication | JHEP 02 (2018) 074 | 10.1007/JHEP02(2018)074 | NCTS-PH/1726 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The present data on a number of observables in $b\to s\mu^+\mu^-$ processes
manifest some tensions with the standard model (SM). Assuming that these
anomalies have a new physics origin, we consider the possibility that a $Z'$
boson is responsible for them. We further assume that its interactions with
quarks also affe... | [
{
"created": "Mon, 30 Oct 2017 17:47:00 GMT",
"version": "v1"
},
{
"created": "Wed, 8 Nov 2017 17:25:44 GMT",
"version": "v2"
},
{
"created": "Thu, 22 Feb 2018 15:37:33 GMT",
"version": "v3"
}
] | 2018-02-23 | [
[
"Faisel",
"Gaber",
""
],
[
"Tandean",
"Jusak",
""
]
] | The present data on a number of observables in $b\to s\mu^+\mu^-$ processes manifest some tensions with the standard model (SM). Assuming that these anomalies have a new physics origin, we consider the possibility that a $Z'$ boson is responsible for them. We further assume that its interactions with quarks also affect... |
2209.06213 | Debojit Sarkar | Debojit Sarkar and Subhasis Chattopadhyay | Ridge from jet-medium interaction in p-Pb collisions at $\sqrt{s_{NN} }$
= 5.02 TeV | The EPOS model description part is similar to our previous EPOS-based
paper: arXiv:2209.05568 | Phys. Rev. C 95, 044906, Published 13 April 2017 | 10.1103/PhysRevC.95.044906 | null | hep-ph hep-ex nucl-th | http://creativecommons.org/licenses/by-nc-sa/4.0/ | In this paper we report the effect of the jet-medium interplay as implemented
in EPOS 3 on the ridge like structure observed in high multiplicity p-Pb
collisions at $\sqrt{s_{NN}} = $ 5.02 TeV. EPOS 3 takes into account
hydrodynamically expanding bulk matter, jets and the jet-medium interaction.
The basis of this mod... | [
{
"created": "Tue, 13 Sep 2022 17:29:01 GMT",
"version": "v1"
}
] | 2022-09-15 | [
[
"Sarkar",
"Debojit",
""
],
[
"Chattopadhyay",
"Subhasis",
""
]
] | In this paper we report the effect of the jet-medium interplay as implemented in EPOS 3 on the ridge like structure observed in high multiplicity p-Pb collisions at $\sqrt{s_{NN}} = $ 5.02 TeV. EPOS 3 takes into account hydrodynamically expanding bulk matter, jets and the jet-medium interaction. The basis of this model... |
1212.0648 | George Rupp | Susana Coito, George Rupp, Eef van Beveren | X(3872) is not a true molecule | Revtex4, 10 pages, 4 figures, 8 plots, 7 tables; v2: SVJour Document
Class, a few extra references, several typos and other minor imprecisions
corrected, version accepted for publication in Eur. Phys. J. C | null | 10.1140/epjc/s10052-013-2351-8 | null | hep-ph hep-ex nucl-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A solvable coordinate-space model is employed to study the $c\bar{c}$
component of the X(3872) wave function, by coupling a confined $^3P_1$
$c\bar{c}$ state to the almost unbound $S$-wave $D^0\bar{D}^{*0}$ channel via
the $^3P_0$ mechanism. The two-component wave function is calculated for
different values of the bi... | [
{
"created": "Tue, 4 Dec 2012 09:30:56 GMT",
"version": "v1"
},
{
"created": "Wed, 27 Mar 2013 16:20:08 GMT",
"version": "v2"
}
] | 2015-06-12 | [
[
"Coito",
"Susana",
""
],
[
"Rupp",
"George",
""
],
[
"van Beveren",
"Eef",
""
]
] | A solvable coordinate-space model is employed to study the $c\bar{c}$ component of the X(3872) wave function, by coupling a confined $^3P_1$ $c\bar{c}$ state to the almost unbound $S$-wave $D^0\bar{D}^{*0}$ channel via the $^3P_0$ mechanism. The two-component wave function is calculated for different values of the bind... |
1407.3132 | Germano Nardini | Thomas Konstandin, Germano Nardini, Ingo Rues | From Boltzmann equations to steady wall velocities | 40 pages, 8 figures; v2: added references, version published in JCAP | null | 10.1088/1475-7516/2014/09/028 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | By means of a relativistic microscopic approach we calculate the expansion
velocity of bubbles generated during a first-order electroweak phase
transition. In particular, we use the gradient expansion of the Kadanoff-Baym
equations to set up the fluid system. This turns out to be equivalent to the
one found in the se... | [
{
"created": "Fri, 11 Jul 2014 12:36:10 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Sep 2014 12:59:34 GMT",
"version": "v2"
}
] | 2015-06-22 | [
[
"Konstandin",
"Thomas",
""
],
[
"Nardini",
"Germano",
""
],
[
"Rues",
"Ingo",
""
]
] | By means of a relativistic microscopic approach we calculate the expansion velocity of bubbles generated during a first-order electroweak phase transition. In particular, we use the gradient expansion of the Kadanoff-Baym equations to set up the fluid system. This turns out to be equivalent to the one found in the semi... |
1309.4171 | Yi Sun | Yi Sun, Xian-Fu Wang, Dao-Neng Gao | CP mixed property of the Higgs-like particle in the decay channel $h\to
Z Z^*\to 4l$ | 13 pages, 6 figures, references and some discussion added | null | 10.1142/S0217751X14500869 | USTC-ICTS-13-12 | hep-ph hep-ex | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Current experiments do not support, as ATLAS and CMS collaborations at the
Large Hadron Collider reported, that the Higgs-like resonance discovered in
July 2012 is a pure CP-odd state. We examine a general $hZZ$ vertex which
contains CP-even and CP-odd couplings, by studying the process $h\to ZZ^*\to
l_1^+l_1^-l_2^+l... | [
{
"created": "Tue, 17 Sep 2013 03:50:07 GMT",
"version": "v1"
},
{
"created": "Tue, 24 Sep 2013 13:38:52 GMT",
"version": "v2"
},
{
"created": "Tue, 25 Mar 2014 14:53:36 GMT",
"version": "v3"
}
] | 2015-06-17 | [
[
"Sun",
"Yi",
""
],
[
"Wang",
"Xian-Fu",
""
],
[
"Gao",
"Dao-Neng",
""
]
] | Current experiments do not support, as ATLAS and CMS collaborations at the Large Hadron Collider reported, that the Higgs-like resonance discovered in July 2012 is a pure CP-odd state. We examine a general $hZZ$ vertex which contains CP-even and CP-odd couplings, by studying the process $h\to ZZ^*\to l_1^+l_1^-l_2^+l_2... |
1501.00953 | Jean Cleymans | L. Marques, J. Cleymans and A. Deppman | Description of High-Energy pp Collisions Using Tsallis Thermodynamics:
Transverse Momentum and Rapidity Distributions | 19 pages 22 figures | null | 10.1103/PhysRevD.91.054025 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | A systematic analysis of transverse momentum and rapidity distributions
measured in high-energy proton - proton (pp) collisions for energies ranging
from 53 GeV to 7 TeV using Tsallis thermodynamics is presented. The excellent
description of all transverse momentum spectra obtained in earlier analyses is
confirmed an... | [
{
"created": "Mon, 5 Jan 2015 19:34:38 GMT",
"version": "v1"
}
] | 2015-06-23 | [
[
"Marques",
"L.",
""
],
[
"Cleymans",
"J.",
""
],
[
"Deppman",
"A.",
""
]
] | A systematic analysis of transverse momentum and rapidity distributions measured in high-energy proton - proton (pp) collisions for energies ranging from 53 GeV to 7 TeV using Tsallis thermodynamics is presented. The excellent description of all transverse momentum spectra obtained in earlier analyses is confirmed and ... |
0910.1125 | Thomas A. Trainor | Thomas A. Trainor | Systematics of parton fragmentation in $e^+$-$e^-$ and nuclear
collisions | 5 pages, 4 figures, proceedings of ISMD 2009, Gomel Region, Belarus | null | null | 000-000 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Parametrizations of fragmentation functions (FFs) from $e^+$-$e^-$ and p-\=p
collisions are combined with a parton spectrum model in a pQCD folding integral
to produce minimum-bias {\em fragment distributions}. A model of in-medium FF
modification is included. Calculated fragment distributions are compared with
{\em ... | [
{
"created": "Tue, 6 Oct 2009 22:22:57 GMT",
"version": "v1"
}
] | 2009-10-08 | [
[
"Trainor",
"Thomas A.",
""
]
] | Parametrizations of fragmentation functions (FFs) from $e^+$-$e^-$ and p-\=p collisions are combined with a parton spectrum model in a pQCD folding integral to produce minimum-bias {\em fragment distributions}. A model of in-medium FF modification is included. Calculated fragment distributions are compared with {\em ha... |
2401.16179 | Hauke Fischer | Hauke Fischer and Ren\'e I.P. Sedmik | Numerical Methods for Scalar Field Dark Energy in Table-top Experiments
and Lunar Laser Ranging | 22 pages, 8 figures | null | null | null | hep-ph astro-ph.CO astro-ph.IM gr-qc | http://creativecommons.org/licenses/by/4.0/ | Numerous tabletop experiments have been dedicated to exploring the
manifestations of screened scalar field dark energy, such as symmetron or
chameleon fields. Precise theoretical predictions require simulating field
configurations within the respective experiments. This paper focuses onto the
less-explored environmen... | [
{
"created": "Mon, 29 Jan 2024 14:21:18 GMT",
"version": "v1"
}
] | 2024-01-30 | [
[
"Fischer",
"Hauke",
""
],
[
"Sedmik",
"René I. P.",
""
]
] | Numerous tabletop experiments have been dedicated to exploring the manifestations of screened scalar field dark energy, such as symmetron or chameleon fields. Precise theoretical predictions require simulating field configurations within the respective experiments. This paper focuses onto the less-explored environment-... |
hep-ph/0206238 | Pelaez | A.Dobado, A. Gomez Nicola, F. J. Llanes-Estrada, J.R.Pelaez | Thermal rho and sigma mesons from chiral symmetry and unitarity | 5 pages, 5 figures, revtex. References and brief comments added.
Final version to appear in Phys. Rev. C | Phys.Rev.C66:055201,2002 | 10.1103/PhysRevC.66.055201 | null | hep-ph nucl-th | null | We study the temperature evolution of the rho and sigma mass and width, using
a unitary chiral approach. The one-loop pion-pion scattering amplitude in
Chiral Perturbation Theory at finite temperature is unitarized via the Inverse
Amplitude Method. Our results predict a clear increase with T of both the rho
and sigma... | [
{
"created": "Mon, 24 Jun 2002 14:25:29 GMT",
"version": "v1"
},
{
"created": "Thu, 3 Oct 2002 14:42:35 GMT",
"version": "v2"
}
] | 2008-11-26 | [
[
"Dobado",
"A.",
""
],
[
"Nicola",
"A. Gomez",
""
],
[
"Llanes-Estrada",
"F. J.",
""
],
[
"Pelaez",
"J. R.",
""
]
] | We study the temperature evolution of the rho and sigma mass and width, using a unitary chiral approach. The one-loop pion-pion scattering amplitude in Chiral Perturbation Theory at finite temperature is unitarized via the Inverse Amplitude Method. Our results predict a clear increase with T of both the rho and sigma w... |
1704.02579 | Alon Faraggi | L. Delle Rose, A.E. Faraggi, C. Marzo, J. Rizos | Wilsonian Dark Matter in String Derived $Z^\prime$ Model | 24 pages. 5 figures. Standard LaTex. Additional comments and
clarifications. Published version | Phys. Rev. D 96, 055025 (2017) | 10.1103/PhysRevD.96.055025 | LTH-1128 | hep-ph hep-th | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The dark matter issue is among the most perplexing in contemporary physics.
The problem is more enigmatic due to the wide range of possible solutions,
ranging from the ultra-light to the super-massive. String theory gives rise to
plausible dark matter candidates due to the breaking of the non--Abelian Grand
Unified T... | [
{
"created": "Sun, 9 Apr 2017 09:22:36 GMT",
"version": "v1"
},
{
"created": "Wed, 20 Sep 2017 18:04:04 GMT",
"version": "v2"
}
] | 2017-09-27 | [
[
"Rose",
"L. Delle",
""
],
[
"Faraggi",
"A. E.",
""
],
[
"Marzo",
"C.",
""
],
[
"Rizos",
"J.",
""
]
] | The dark matter issue is among the most perplexing in contemporary physics. The problem is more enigmatic due to the wide range of possible solutions, ranging from the ultra-light to the super-massive. String theory gives rise to plausible dark matter candidates due to the breaking of the non--Abelian Grand Unified The... |
0708.2133 | Magno Machado | M. V. T. Machado | Hard diffractive quarkonium hadroproduction at high energies | 7 pages, 3 figures, 1 table. Final version to be published in
European Physical Journal C | Eur.Phys.J.C54:443-449,2008 | 10.1140/epjc/s10052-008-0526-5 | null | hep-ph hep-ex nucl-th | null | We present a study of heavy quarkonium production in hard diffractive process
by the Pomeron exchange for Tevatron and LHC energies. The numerical results
are computed using recent experimental determination of the diffractive parton
density functions in Pomeron and are corrected by unitarity corrections through
gap ... | [
{
"created": "Thu, 16 Aug 2007 04:01:27 GMT",
"version": "v1"
},
{
"created": "Wed, 22 Aug 2007 19:24:02 GMT",
"version": "v2"
},
{
"created": "Thu, 23 Aug 2007 20:49:29 GMT",
"version": "v3"
},
{
"created": "Fri, 21 Dec 2007 17:08:50 GMT",
"version": "v4"
}
] | 2008-11-26 | [
[
"Machado",
"M. V. T.",
""
]
] | We present a study of heavy quarkonium production in hard diffractive process by the Pomeron exchange for Tevatron and LHC energies. The numerical results are computed using recent experimental determination of the diffractive parton density functions in Pomeron and are corrected by unitarity corrections through gap su... |
hep-ph/0511011 | Alejandra Melfo | Alejandra Melfo, Goran Senjanovic | Supersymmetric Grand Unification: the quest for the theory | 9 pages. Based on talks given in BW2003 Workshop on
Mathematical,Theoretical and Phenomenological Challenges Beyond the Standard
Model: Perspectives of Balkans Collaboration, Vrnjacka Banja, Serbia, 29 Aug
- 2 Sep 2003 | null | 10.1142/9789812702166_0006 | null | hep-ph | null | With the advent of neutrino masses, it has become more and more acknowledged
that SO(10) is a more suitable theory than SU(5): it leads naturally to small
neutrino masses via the see-saw mechanism, it has a simpler and more predictive
Yukawa sector. There is however a rather strong disagreement on what the
minimal co... | [
{
"created": "Tue, 1 Nov 2005 16:22:10 GMT",
"version": "v1"
}
] | 2017-08-23 | [
[
"Melfo",
"Alejandra",
""
],
[
"Senjanovic",
"Goran",
""
]
] | With the advent of neutrino masses, it has become more and more acknowledged that SO(10) is a more suitable theory than SU(5): it leads naturally to small neutrino masses via the see-saw mechanism, it has a simpler and more predictive Yukawa sector. There is however a rather strong disagreement on what the minimal cons... |
1710.10764 | Giorgio Busoni | Nicole F. Bell, Giorgio Busoni, Isaac W. Sanderson | Two Higgs Doublet Dark Matter Portal | 32 pages, 8 figures. Corrected Figure 6. References added and minor
corrections made to match published version | JCAP01(2018)015 | 10.1088/1475-7516/2018/01/015 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a fermionic dark matter model in which the interaction of the dark
and visible sectors is mediated by Higgs portal type couplings. Specifically,
we consider the mixing of a dark sector scalar with the scalars of a Two Higgs
Doublet Model extension of the Standard Model. Given that scalar exchange will
result... | [
{
"created": "Mon, 30 Oct 2017 03:58:23 GMT",
"version": "v1"
},
{
"created": "Thu, 18 Jan 2018 04:36:27 GMT",
"version": "v2"
}
] | 2018-01-19 | [
[
"Bell",
"Nicole F.",
""
],
[
"Busoni",
"Giorgio",
""
],
[
"Sanderson",
"Isaac W.",
""
]
] | We study a fermionic dark matter model in which the interaction of the dark and visible sectors is mediated by Higgs portal type couplings. Specifically, we consider the mixing of a dark sector scalar with the scalars of a Two Higgs Doublet Model extension of the Standard Model. Given that scalar exchange will result i... |
hep-ph/9807530 | Tadek Wibig | Tadeusz Wibig (Univ. of Lodz) | Three steps in intranuclear cascading | 4pp (4 eps figures) | null | null | ZPK-UL-980729a | hep-ph | null | Between the initial excitation of nucleons by the passing throughout each
other and the final cascading of newly created hadrons there should be
considered one more step. We call it the second step cascading process. It acts
as an interaction of wounded nucleon from one nucleus with another nucleon from
the same nucl... | [
{
"created": "Wed, 29 Jul 1998 08:20:09 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"Wibig",
"Tadeusz",
"",
"Univ. of Lodz"
]
] | Between the initial excitation of nucleons by the passing throughout each other and the final cascading of newly created hadrons there should be considered one more step. We call it the second step cascading process. It acts as an interaction of wounded nucleon from one nucleus with another nucleon from the same nucleu... |
1207.5102 | Ryo Takahasi | Naoyuki Haba, Kunio Kaneta, Yukihiro Mimura, Ryo Takahashi | Enhancement of Higgs to diphoton decay width in non-perturbative Higgs
model | 15 pages, version published in PLB | null | 10.1016/j.physletb.2012.12.049 | EPHOU-12-005; OU-HET 754/2012 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We investigate a possibility if a loop diagram via Higgsino can enhance the
Higgs to diphoton decay width in supersymmetric models with an extension of
Higgs sector. A model with an additional non-renormalizable term of Higgs
fields is firstly analyzed where the higher order term can introduce the Higgs
coupling to H... | [
{
"created": "Sat, 21 Jul 2012 05:12:23 GMT",
"version": "v1"
},
{
"created": "Sun, 29 Jul 2012 07:56:59 GMT",
"version": "v2"
},
{
"created": "Wed, 9 Jan 2013 05:02:48 GMT",
"version": "v3"
}
] | 2015-06-05 | [
[
"Haba",
"Naoyuki",
""
],
[
"Kaneta",
"Kunio",
""
],
[
"Mimura",
"Yukihiro",
""
],
[
"Takahashi",
"Ryo",
""
]
] | We investigate a possibility if a loop diagram via Higgsino can enhance the Higgs to diphoton decay width in supersymmetric models with an extension of Higgs sector. A model with an additional non-renormalizable term of Higgs fields is firstly analyzed where the higher order term can introduce the Higgs coupling to Hig... |
2211.03809 | Monika Blanke | Harun Acaro\u{g}lu, Prateek Agrawal, Monika Blanke | Lepton-Flavoured Scalar Dark Matter in Dark Minimal Flavour Violation | version published in JHEP | JHEP 05 (2023) 106 | 10.1007/JHEP05(2023)106 | TTP22-063; P3H-22-104 | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We study a simplified model of lepton-flavoured complex scalar dark matter
set up in the Dark Minimal Flavour Violation framework. In this model the
Standard Model is extended by a scalar dark matter flavour triplet and a
charged fermionic mediator, through which dark matter couples to the
right-handed charged lepton... | [
{
"created": "Mon, 7 Nov 2022 19:00:07 GMT",
"version": "v1"
},
{
"created": "Tue, 16 May 2023 19:36:25 GMT",
"version": "v2"
}
] | 2023-05-18 | [
[
"Acaroğlu",
"Harun",
""
],
[
"Agrawal",
"Prateek",
""
],
[
"Blanke",
"Monika",
""
]
] | We study a simplified model of lepton-flavoured complex scalar dark matter set up in the Dark Minimal Flavour Violation framework. In this model the Standard Model is extended by a scalar dark matter flavour triplet and a charged fermionic mediator, through which dark matter couples to the right-handed charged leptons ... |
1110.2171 | Samuel Lee | Andrzej Czarnecki, Marc Kamionkowski, Samuel K. Lee, and Kirill
Melnikov | Charged-Particle Decay at Finite Temperature | 18 pages, 6 figures. v2: typos corrected, bibliography revised,
content matches published version | Phys.Rev.D85:025018,2012 | 10.1103/PhysRevD.85.025018 | null | hep-ph astro-ph.CO | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Radiative corrections to the decay rate of charged fermions caused by the
presence of a thermal bath of photons are calculated in the limit when
temperatures are below the masses of all charged particles involved. The
cancellation of finite-temperature infrared divergences in the decay rate is
described in detail. Te... | [
{
"created": "Mon, 10 Oct 2011 20:00:01 GMT",
"version": "v1"
},
{
"created": "Tue, 6 Mar 2012 00:22:50 GMT",
"version": "v2"
}
] | 2012-03-07 | [
[
"Czarnecki",
"Andrzej",
""
],
[
"Kamionkowski",
"Marc",
""
],
[
"Lee",
"Samuel K.",
""
],
[
"Melnikov",
"Kirill",
""
]
] | Radiative corrections to the decay rate of charged fermions caused by the presence of a thermal bath of photons are calculated in the limit when temperatures are below the masses of all charged particles involved. The cancellation of finite-temperature infrared divergences in the decay rate is described in detail. Temp... |
2310.19757 | Matteo Marcoli | T. Gehrmann, E. W. N. Glover, M. Marcoli | The colourful antenna subtraction method | Update manuscript to match JHEP version | null | null | null | hep-ph | http://creativecommons.org/licenses/by/4.0/ | We present a general subtraction scheme for NNLO calculations in massless
QCD: the \textit{colourful antenna subtraction method}. It is a reformulation
of the antenna subtraction approach designed to address some of the limitations
of the traditional framework, especially aiming at high-multiplicity processes.
In the... | [
{
"created": "Mon, 30 Oct 2023 17:26:44 GMT",
"version": "v1"
},
{
"created": "Wed, 15 May 2024 16:24:57 GMT",
"version": "v2"
}
] | 2024-05-16 | [
[
"Gehrmann",
"T.",
""
],
[
"Glover",
"E. W. N.",
""
],
[
"Marcoli",
"M.",
""
]
] | We present a general subtraction scheme for NNLO calculations in massless QCD: the \textit{colourful antenna subtraction method}. It is a reformulation of the antenna subtraction approach designed to address some of the limitations of the traditional framework, especially aiming at high-multiplicity processes. In the c... |
hep-ph/9712272 | null | Han-xin He (China Institute of Atomic Energy) | Quark Contributions to the Proton Spin and Tensor Charge | RevTeX file, 8 pages, no figure | null | null | null | hep-ph | null | I calculate the quark contributions to the axial and tensor charges and the
spin structure of the proton. The result indicates that the valence current
quark spins carry 1/3 of the proton spin, the total contribution of quark spins
to the proton spin satisfies $\Delta \Sigma = 1/3 + \Delta \Sigma_{sea} \le
1/3$, and ... | [
{
"created": "Fri, 5 Dec 1997 07:05:23 GMT",
"version": "v1"
}
] | 2007-05-23 | [
[
"He",
"Han-xin",
"",
"China Institute of Atomic Energy"
]
] | I calculate the quark contributions to the axial and tensor charges and the spin structure of the proton. The result indicates that the valence current quark spins carry 1/3 of the proton spin, the total contribution of quark spins to the proton spin satisfies $\Delta \Sigma = 1/3 + \Delta \Sigma_{sea} \le 1/3$, and th... |
hep-ph/0105129 | Carlo Oleari | V. Del Duca, W. Kilgore, C. Oleari, C. Schmidt and D. Zeppenfeld | Higgs + 2 jets via gluon fusion | 8 pages, 3 figures | Phys.Rev.Lett. 87 (2001) 122001 | 10.1103/PhysRevLett.87.122001 | null | hep-ph | null | Real emission corrections to gg -> H, which lead to H+2 jet events, are
calculated at order alpha_s^4. Contributions include top-quark triangles, boxes
and pentagon diagrams and are evaluated analytically for arbitrary top mass
m_t. This new source of H+2 jet events is compared to the weak-boson fusion
cross section ... | [
{
"created": "Mon, 14 May 2001 20:12:58 GMT",
"version": "v1"
}
] | 2009-11-07 | [
[
"Del Duca",
"V.",
""
],
[
"Kilgore",
"W.",
""
],
[
"Oleari",
"C.",
""
],
[
"Schmidt",
"C.",
""
],
[
"Zeppenfeld",
"D.",
""
]
] | Real emission corrections to gg -> H, which lead to H+2 jet events, are calculated at order alpha_s^4. Contributions include top-quark triangles, boxes and pentagon diagrams and are evaluated analytically for arbitrary top mass m_t. This new source of H+2 jet events is compared to the weak-boson fusion cross section fo... |
1312.3375 | Ping Wang | P. Wang, D. B. Leinweber and A. W. Thomas | Strange magnetic form factor of nucleon in heavy baryon chiral effective
approach at next to leading order | 13 pages, 3 figures | null | 10.1103/PhysRevD.89.033008 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The strange magnetic form factor of the nucleon is studied in the heavy
baryon chiral effective approach at next to leading order. The one loop
contributions from kaon and intermediate octet and decuplet hyperons are
included, using finite-range-regularization to deal with the ultra-violet
divergences. Drawing on an ... | [
{
"created": "Thu, 12 Dec 2013 00:29:32 GMT",
"version": "v1"
}
] | 2015-06-18 | [
[
"Wang",
"P.",
""
],
[
"Leinweber",
"D. B.",
""
],
[
"Thomas",
"A. W.",
""
]
] | The strange magnetic form factor of the nucleon is studied in the heavy baryon chiral effective approach at next to leading order. The one loop contributions from kaon and intermediate octet and decuplet hyperons are included, using finite-range-regularization to deal with the ultra-violet divergences. Drawing on an es... |
1210.0733 | Dieter Schildknecht | Dieter Schildknecht | Color Transparency and Saturation in QCD | Presented at the International School of Subnuclear Physics, 50th
Course, Erice, Sicily, 23. June - 2. July 2012 | null | null | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | We review the theoretical interpretation of deep-inelastic electron-proton
scattering at low values of the Bjorken variable $x \simeq Q^2/W^2 \lsim 0.1$.
The process proceeds via the interaction of quark-antiquark $(q \bar q)$
color-dipole fluctuations of the (virtual) photon with the proton. In terms of
the forward ... | [
{
"created": "Tue, 2 Oct 2012 11:22:55 GMT",
"version": "v1"
}
] | 2012-10-03 | [
[
"Schildknecht",
"Dieter",
""
]
] | We review the theoretical interpretation of deep-inelastic electron-proton scattering at low values of the Bjorken variable $x \simeq Q^2/W^2 \lsim 0.1$. The process proceeds via the interaction of quark-antiquark $(q \bar q)$ color-dipole fluctuations of the (virtual) photon with the proton. In terms of the forward Co... |
2006.05704 | Tian Zhou | Tian Zhou, Tianhong Wang, Yue Jiang, Lei Huo, Guo-Li Wang | The weak $B$, $B_s$ and $B_c$ decays to radially excited states | 17 pages,1 figures | null | 10.1088/1361-6471/abc3a6 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | Recently, many new excited states of heavy mesons, especially the radially
excited states, are discovered. The study of the production processes of these
states from the ground b-flavored mesons is of interest. In this paper, we use
the improved Bethe-Salpeter method to study the semi-leptonic and non-leptonic
decays... | [
{
"created": "Wed, 10 Jun 2020 07:53:56 GMT",
"version": "v1"
},
{
"created": "Wed, 21 Oct 2020 11:59:25 GMT",
"version": "v2"
}
] | 2021-05-26 | [
[
"Zhou",
"Tian",
""
],
[
"Wang",
"Tianhong",
""
],
[
"Jiang",
"Yue",
""
],
[
"Huo",
"Lei",
""
],
[
"Wang",
"Guo-Li",
""
]
] | Recently, many new excited states of heavy mesons, especially the radially excited states, are discovered. The study of the production processes of these states from the ground b-flavored mesons is of interest. In this paper, we use the improved Bethe-Salpeter method to study the semi-leptonic and non-leptonic decays o... |
2012.12001 | Salvatore Plumari Dr. | Vincenzo Minissale (1 and 2), Salvatore Plumari (1 and 2), Vincenzo
Greco (1 and 2) ((1) Department of Physics and Astronomy 'E. Majorana',
University of Catania, (2) Laboratori Nazionali del Sud, INFN-LNS) | Charm Hadrons in pp collisions at LHC energy within a Coalescence plus
Fragmentation approach | 8 pages, 5 figures; modifications in Figures 1,2,3,4,5 and corrected
typos | null | 10.1016/j.physletb.2021.136622 | null | hep-ph | http://arxiv.org/licenses/nonexclusive-distrib/1.0/ | The recent experimental measurements on $pp$ collisions at $\sqrt{s}=5.02
\,\rm TeV$ have shown a very large abundance of heavy baryon production
corresponding to a ratio of $\Lambda_c/D^0 \sim 0.6$, about one order of
magnitude larger than what measured in $e^+e^-$, $ep$ collisions and even in
$pp$ collisions at LHC... | [
{
"created": "Tue, 22 Dec 2020 13:42:40 GMT",
"version": "v1"
},
{
"created": "Tue, 29 Dec 2020 09:55:44 GMT",
"version": "v2"
},
{
"created": "Thu, 27 May 2021 10:18:12 GMT",
"version": "v3"
}
] | 2021-09-08 | [
[
"Minissale",
"Vincenzo",
"",
"1 and 2"
],
[
"Plumari",
"Salvatore",
"",
"1 and 2"
],
[
"Greco",
"Vincenzo",
"",
"1 and 2"
]
] | The recent experimental measurements on $pp$ collisions at $\sqrt{s}=5.02 \,\rm TeV$ have shown a very large abundance of heavy baryon production corresponding to a ratio of $\Lambda_c/D^0 \sim 0.6$, about one order of magnitude larger than what measured in $e^+e^-$, $ep$ collisions and even in $pp$ collisions at LHC, ... |
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