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Showing 2002Show all

244 papers · 1 filter

hep-ph2002★ 9 cited

Analysis of dynamical corrections to baryon magnetic moments

Phuoc Ha, Loyal Durand

We present and analyze QCD corrections to the baryon magnetic moments in terms of the one-, two-, and three-body operators which appear in the effective field theory developed in o…

astro-ph2002★ 17 cited

Improving the Angular Resolution of EGRET and New Limits on Supersymmetric Dark Matter Near the Galactic Center

Dan Hooper, Brenda Dingus

Using the EGRET data and an improved point source analysis, including an energy dependent point spread function and an unbinned maximum likelihood technique, we have been able to p…

gr-qc2002★ 68 cited

A Relativistic Mean Field Model for Entrainment in General Relativistic Superfluid Neutron Stars

G. L. Comer, R. Joynt

General relativistic superfluid neutron stars have a significantly more intricate dynamics than their ordinary fluid counterparts. Superfluidity allows different superfluid (and su…

physics.flu-dyn2002★ 48 cited

Flame Enhancement and Quenching in Fluid Flows

Natalia Vladimirova, Peter Constantin, Alexander Kiselev +2

We perform direct numerical simulations (DNS) of an advected scalar field which diffuses and reacts according to a nonlinear reaction law. The objective is to study how the bulk bu…

hep-ex2002★ 10 cited

Observation of the strange sea in the proton via inclusive Phi-meson production in neutral current deep inelastic scattering at HERA

ZEUS Collaboration

Inclusive phi-meson production in neutral current deep inelastic e+p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 45 pb^{-1}. The p…

hep-ex2002★ 37 cited

Measurement of subjet multiplicities in neutral current deep inelastic scattering at HERA and determination of

ZEUS Collaboration

The subjet multiplicity has been measured in neutral current e+p interactions at Q**2 > 125 GeV**2 with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. Jets…

hep-ph2002★ 27 cited

Determining with Neutral and Charged Higgs Bosons at a Future Linear Collider

J. Gunion, T. Han, J. Jiang +1

The ratio of neutral Higgs field vacuum expectation values, tan(beta), is one of the most important parameters to determine in either the Minimal Supersymmetric Standard Model (MSS…

astro-ph2002★ 113 cited

Magnetic Fields in Massive Stars. II. The Buoyant Rise of Magnetic Flux Tubes Through the Radiative Interior

K. B. MacGregor, J. P. Cassinelli

We present results from an investigation of the dynamical behavior of buoyant magnetic flux rings in the radiative interior of a uniformly rotating early-type star. Our physical mo…

hep-ph2002★ 63 cited

KamLAND and solar neutrino data eliminate the LOW solution

V. Barger, D. Marfatia

The KamLAND reactor antineutrino experiment has detected a 3.4σflux suppression relative to the expectation if no neutrino oscillations occur. We combine KamLAND data with solar ne…

astro-ph2002★ 56 cited

Highly-Ionized Gas in the Galactic Halo: A FUSE Survey of O VI Absorption toward 22 Halo Stars

J. Zsargo, K. R. Sembach, J. C. Howk +1

Far Ultraviolet Spectroscopic Explorer spectra of 22 Galactic halo stars are studied to determine the amount of O VI in the Galactic halo between ~0.3 and \~10 kpc from the Galacti…

math-ph2002★ 9 cited

Fractional operators and special functions. II. Legendre functions

Loyal Durand

Most of the special functions of mathematical physics are connected with the representation of Lie groups. The action of elements of the associated Lie algebras as linear diffe…

hep-ex2002★ 13 cited

Simultaneous Measurement of the B0 Meson Lifetime and Mixing Frequency with B0 --> D*- l+ nu Decays

the BABAR Collaboration, B. Aubert

We measure the B0 lifetime τ_{B0} and the B0-B0bar oscillation frequency Δm_d with a sample of approximately 14,000 exclusively reconstructed B0 --> D*- l+ nu signal events, select…

hep-ex2002★ 7 cited

Measurement of the B0 meson lifetime with partial reconstruction of B0 --> D*- pi+ and B0 --> D*- rho+ decays

The BABAR Collaboration, B. Aubert

The neutral meson lifetime is measured with the data collected by the BaBar detector at the PEP-II storage ring during the years 1999 and 2000, with a total integrated luminosi…

hep-ex2002★ 8 cited

Beam Tests of Ionization Chambers for the NuMI Neutrino Beam

R. M. Zwaska, James Hall, Sacha E. Kopp +10

We have conducted tests at the Fermilab Booster of ionization chambers to be used as monitors of the NuMI neutrino beamline. The chambers were exposed to proton fluxes of up to 10$…

cond-mat.supr-con2002★ 755 cited

Enhancement of the upper critical field by nonmagnetic impurities in dirty two-gap superconductors

A. Gurevich

Quasiclassic Uzadel equations for two-band superconductors in the dirty limit with the account of both intraband and interband scattering by nonmagnetic impurities are derived for…

math-ph2002★ 6 cited

Fractional operators and special functions. I. Bessel functions

Loyal Durand

Most of the special functions of mathematical physics are connected with the representation of Lie groups. The action of elements of the associated Lie algebras as linear diffe…

astro-ph2002★ 123 cited

An Imaging Survey of Early-Type Barred Galaxies

Peter Erwin, Linda S. Sparke

This paper presents the results of a high-resolution imaging survey, using both ground-based and Hubble Space Telescope images, of a complete sample of nearby barred S0--Sa galaxie…

hep-ex2002★ 18 cited

Measurements of the Decay KL->e+e-mu+mu-

The KTeV Collaboration

The KTeV experiment at Fermilab has isolated a total of 132 events from the rare decay KL->e+e-mu+mu-, with an estimated background of 0.8 events. The branching ratio of this mode…

cond-mat.mtrl-sci2002★ 140 cited

Structure, Photophysics and the Order-Disorder Transition to the Beta Phase in Poly(9,9-(di -n,n-octyl)fluorene)

M. J. Winokur, J. Slinker, D. L. Huber

X-ray diffraction, UV-vis absorption and photoluminescence (PL) spectroscopy have been used to study the well-known order-disorder transition (ODT) to the beta phase in poly(9,9-(d…

math.HO2002★ 13 cited

International comparisons in mathematics education: an overview

Gabriele Kaiser, Frederick K. S. Leung, Thomas Romberg +1

The paper opens with an overview of the discussion of international comparisons (including goals) in mathematics education. Afterwards, the two most important recent international…

hep-th2002★ 37 cited

Supersymmetric Three Family SU(5) Grand Unified Models from Type IIA Orientifolds with Intersecting D6-Branes

Mirjam Cvetic, Ioannis Papadimitriou, Gary Shiu

We construct some N=1 supersymmetric three-family SU(5) Grand Unified Models from type IIA orientifolds on $\IT^6/(\IZ_2\times \IZ_2)$ with D6-branes intersecting at general angles…

hep-ph2002★ 142 cited

Supersymmetric Dark Matter - How Light Can the LSP Be?

Dan Hooper, Tilman Plehn

Using a very minimal set of theoretical assumptions we derive a lower limit on the LSP mass in the MSSM. We only require that the LSP be the lightest neutralino, that it be respons…

hep-ex2002★ 106 cited

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target

HERMES collaboration, A. Airapetian

Single-spin asymmetries have been measured for semi-inclusive electroproduction of , , and mesons in deep-inelastic scattering off a longitudinally polarised…

astro-ph2002★ 12 cited

CMB Polarization at Large Angular Scales: Data Analysis of the POLAR Experiment

Christopher W. O'Dell, Brian G. Keating, Angelica de Oliveira-Costa +2

The coming flood of CMB polarization experiments, spurred by the recent detection of CMB polarization by DASI and WMAP, will be confronted by many new analysis tasks specific to po…