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Showing 2003Show all

129 papers · 1 filter

math-ph2003★ 23 cited

On refined enumerations of some symmetry classes of ASMs

A. V. Razumov, Yu. G. Stroganov

Using determinant representations for partition functions of the corresponding square ice models and the method proposed recently by one of the authors, we investigate refined enum…

hep-ph2003★ 50 cited

Neutrino oscillations in the Sun probe long-range leptonic forces

J. A. Grifols, E. Masso

Lepton number charges might be the source of long range forces. If one accepts that neutrinos produced in the Sun do indeed oscillate while crossing the interior of the Sun, then t…

hep-ph2003★ 20 cited

Gravireggeons in Extra Dimensions and Interaction of Ultra-high Energy Cosmic Neutrinos with Nucleons

A. V. Kisselev, V. A. Petrov

We present the results on non-perturbative quantum gravity effects related to extra dimensions which can be comparable, in some cases, with the SM contributions, e.g. in lepton-lep…

physics.ins-det2003★ 10 cited

Comparison of Radiation Damage in Lead Tungstate Crystals under Pion and Gamma Irradiation

V. Batarin, J. Butler, T. Chen +28

Studies of the radiation hardness of lead tungstate crystals produced by the Bogoroditsk Techno-Chemical Plant in Russia and the Shanghai Institute of Ceramics in China have been c…

nucl-ex2003★ 95 cited

Azimuthally sensitive Hanbury Brown-Twiss interferometry in Au+Au collisions at sqrt(s_{NN}) = 200 GeV

STAR Collaboration

We present the results of a systematic study of the shape of the pion distribution in coordinate space at freeze-out in Au+Au collisions at RHIC using two-pion Hanbury Brown-Twiss…

hep-th2003★ 14 cited

One-loop effective potential from higher-dimensional AdS black holes

Guido Cognola, Emilio Elizalde, Sergio Zerbini

We study the quantum effects in a brane-world model in which a positive constant curvature brane universe is embedded in a higher-dimensional bulk AdS black hole, instead of the us…

hep-ph2003★ 28 cited

First-order cosmological phase transitions in the radiation dominated era

Ariel Megevand

We consider first-order phase transitions of the Universe in the radiation-dominated era. We argue that in general the velocity of interfaces is non-relativistic due to the interac…

hep-ph2003★ 110 cited

Neutrino oscillation physics with a higher -beam

J. Burguet-Castell, D. Casper, J. J. Gomez-Cadenas +2

The precision measurement and discovery potential of a neutrino factory based on a storage ring of boosted radioactive ions (-beam) is re-examined. In contrast with past designs…

hep-ex2003★ 47 cited

High statistic study of the K- -> pi0 mu- nu decay

O. P. Yushchenko, S. A. Akimenko, K. S. Belous +23

The decay K- -> pi0 mu- nu has been studied using in-flight decays detected with the "ISTRA+" spectrometer. About 540K events were collected for the analysis. The lambda+ and lambd…

math-ph2003★ 7 cited

Dependent coordinates in path integral measure factorization

S. N. Storchak

The transformation of the path integral measure under the reduction procedure in the dynamical systems with a symmetry is considered. The investigation is carried out in the case o…

hep-ph2003

NNLO parton distributions from deep-inelastic-scattering data

S. Alekhin

The parton distributions functions (PDFs) derived from the NNLO QCD analysis of existing light-targets deep-inelastic-scattering data are presented. The NLO and NNLO PDFs are compa…

hep-th2003★ 15 cited

Radiative corrections in 5D and 6D expanding in winding modes

L. Da Rold

We compute radiative corrections in five and six dimensional field theories, using winding modes in mixed momentum-coordinate space. This method provides a simple way of finding UV…

hep-ph2003★ 14 cited

Pion form factor and QCD sum rules: case of pseudoscalar current

V. V. Braguta, A. I. Onishchenko

We present an analysis of QCD sum rules for pion form factor in next-to-leading order of perturbation theory for the case of pseudoscalar pion currents. The essential instanton con…

hep-th2003★ 15 cited

Coincident brane nucleation and the neutralization of Λ

Jaume Garriga, Ariel Megevand

Nucleation of branes by a four-form field has recently been considered in string motivated scenarios for the neutralization of the cosmological constant. An interesting question in…

hep-ph2003★ 1 cited

The role of double helicity-flip amplitudes in small-angle elastic pp-scattering

S. M. Troshin, N. E. Tyurin

We asses a role of the double helicity-flip amplitudes in small-angle elastic pp-scattering and obtain a new unitary bound for the double helicity-flip amplitude F_2 in elastic pp-…

physics.ins-det2003★ 8 cited

LED Monitoring System for the BTeV Lead Tungstate Crystal Calorimeter Prototype

V. Batarin, J. Butler, A. Davidenko +28

We report on the performance of a monitoring system for a prototype calorimeter for the BTeV experiment that uses Lead Tungstate crystals coupled with photomultiplier tubes. The te…

hep-th2003★ 37 cited

Physical Degrees of Freedom of Non-local Theories

Joaquim Gomis, Kiyoshi Kamimura, Toni Ramirez

We analyze the physical (reduced) space of non-local theories, around the fixed points of these systems, by analyzing: i) the Hamiltonian constraints appearing in the 1+1 formulati…

hep-th2003★ 21 cited

Nonlinear superconformal symmetry of a fermion in the field of a Dirac monopole

Carlos Leiva, Mikhail S. Plyushchay

We study a longstanding problem of identification of the fermion-monopole symmetries. We show that the integrals of motion of the system generate a nonlinear classical Z_2-graded P…

hep-ph2003★ 13 cited

Mean-field expansion and meson effects in chiral condensate of analytically regularized Nambu -- Jona-Lasinio model

R. G. Jafarov, V. E. Rochev

Scalar meson contributions in chiral quark condensate are calculated for analytically regularized Nambu -- Jona-Lasinio model in framework of mean-field expansion in bilocal-source…

hep-ph2003★ 126 cited

Testing the running of the cosmological constant with Type Ia Supernovae at high z

Cristina Espana-Bonet, Pilar Ruiz-Lapuente, Ilya L. Shapiro +1

Within the Quantum Field Theory context the idea of a "cosmological constant" (CC) evolving with time looks quite natural as it just reflects the change of the vacuum energy with t…

hep-ph2003★ 74 cited

New nonrenormalization theorems for anomalous three point functions

Marc Knecht, Santiago Peris, Michel Perrottet +1

Nonrenormalization theorems involving the transverse, i.e. non anomalous, part of the <VVA> correlator in perturbative QCD are proven. Some of their consequences and questions they…

hep-ph2003★ 9 cited

Exclusive Double Diffractive Higgs Boson Production at LHC

V. Petrov, R. Ryutin

Exclusive double diffractive (EDD) Higgs boson production is analyzed in the framework of the Regge-eikonal approach. Total and differential cross-sections for the process $p+p\to…

hep-ex2003★ 74 cited

Combination of CDF and D0 Results on W Boson Mass and Width

V. M. Abazov

The results based on 1992-95 data (Run 1) from the CDF and DO experiments on the measurements of the W boson mass and width are presented, along with the combined results. We repor…

hep-th2003★ 50 cited

Supersymmetry of Tensionless Rotating Strings in AdS_5 x S^5, and Nearly-BPS Operators

David Mateos, Toni Mateos, Paul K. Townsend

It is shown that a class of rotating strings in AdS_5 x S^5 with SO(6) angular momenta (J,J',J') preserve 1/8-supersymmetry for large J,J', in which limit they are effectively tens…