output
19912026
Showing 2003Show all

160 papers · 1 filter

math-ph2003

Low regularity solutions to a gently stochastic nonlinear wave equation in nonequilibrium statistical mechanics

Luc Rey-Bellet, Lawrence E. Thomas

We consider a system of stochastic partial differential equations modeling heat conduction in a non-linear medium. We show global existence of solutions for the system in Sobolev s…

math.CV2003★ 1 cited

Exponential Gelfond-Khovanskii formula in dimension one

Evgenia Soprunova

Gelfond and Khovanskii found a formula for the sum of the values of a Laurent polynomial over the zeros of a system of n Laurent polynomials in the algebraic n-torus. We expect tha…

hep-ex2003★ 14 cited

Measurements of Branching Fractions and CP-Violating Asymmetries in B Meson Decays to Charmless Two-Body States Containing a K0

B. Aubert, BABAR Collaboration

We present measurements of branching fractions and \CP-violating asymmetries in decays of mesons to two-body final states containing a \Kz. The results are based on a data samp…

hep-ex2003★ 4 cited

Measurement of the Branching Fraction for B- --> D0 K*-

B. Aubert, BABAR Collaboration

We present a measurement of the branching fraction for the decay B- --> D0 K*- using a sample of approximately 86 million BBbar pairs collected by the BaBar detector from e+e- coll…

astro-ph2003

Spectropolarimetric Observations of Supernovae

Alexei V. Filippenko, Douglas C. Leonard

We briefly review the existing database of supernova spectropolarimetry, concentrating on recent data and on results from our group's research. Spectropolarimetry provides the only…

astro-ph2003★ 26 cited

The Canada-UK Deep Submillimetre Survey VIII: Source Identifications in the 3-hour field

Dave Clements, Steve Eales, Kris Wojciechowski +10

We present optical, near-infrared and radio observations of the 3-hour field of the Canada-UK Deep Submillimetre Survey. Of the 27 submillimetre sources in the field, nine have sec…

cond-mat2003★ 138 cited

Families of Matter-Waves for Two-Component Bose-Einstein Condensates

P. G. Kevrekidis, H. Nistazakis, D. J. Frantzeskakis +2

We produce several families of solutions for two-component nonlinear Schrödinger/Gross-Pitaevskii equations. These include domain walls and the first example of an antidark or gray…

hep-ex2003★ 25 cited

Measurement of Branching Fractions and Charge Asymmetries in B+ --> rho+pi0 and B+ -->rho0pi+ Decays, and Search for B0 --> rho0pi0

B. Aubert

We present measurements of branching fractions and charge asymmetries in -meson decays to , and . The data sample comprises $Υ(4S)…

cond-mat.str-el2003★ 72 cited

Optical conductivity of the Frohlich polaron

A. S. Mishchenko, N. Nagaosa, N. V. Prokof'ev +2

We present accurate results for optical conductivity of the three dimensional Frohlich polaron in all coupling regimes. The systematic-error free diagrammatic quantum Monte Carlo m…

cond-mat2003★ 99 cited

Averaging For Solitons With Nonlinearity Management

D. E. Pelinovsky, P. G. Kevrekidis, D. J. Frantzeskakis

We develop an averaging method for solitons of the nonlinear Schr{ö}dinger equation with periodically varying nonlinearity coefficient. This method is used to effectively describe…

nucl-th2003★ 13 cited

An EFT for the weak interaction

A. Parreno, C. Bennhold, B. R. Holstein

The nonleptonic weak interaction, responsible for the dominant, nonmesonic decay of all but the lightest hypernuclei, is studied in the framework of an effective fiel…

math.RT2003★ 1 cited

Riemann-Roch-Hirzebruch integral formula for characters of reductive Lie groups

Matvei Libine

Let G_R be a real reductive Lie group acting on a manifold M. M.Kashiwara and W.Schmid in [KaSchm] constructed representations of G_R using sheaves and quasi-G_R-equivariant D-modu…

hep-ex2003★ 106 cited

Observation of Parity Nonconservation in Moller Scattering

the SLAC E158 Collaboration, P. L. Anthony

We report a measurement of the parity-violating asymmetry in fixed target electron-electron (Moller) scattering: A_PV = -175 +/- 30 (stat.) +/- 20 (syst.) parts per billion. This f…

cond-mat.str-el2003★ 15 cited

Truncated-Determinant Diagrammatic Monte Carlo for Fermions with Contact Interaction

Evgueni Bourovski, Nikolay Prokof'ev, Boris Svistunov

For some models of interacting fermions the known solution to the notorious sign-problem in Monte Carlo (MC) simulations is to work with macroscopic fermionic determinants; the pri…

hep-ex2003★ 82 cited

Q^2 Evolution of the Neutron Spin Structure Moments using a He-3 Target

010 Collaboration, M. Amarian, L. Auerbach +2

We have measured the spin structure functions and of He in a double-spin experiment by inclusively scattering polarized electrons at energies ranging from 0.862 to…

astro-ph2003★ 2 cited

Dark Matter Constraints from the Sagittarius Dwarf and Tail System

Steven R. Majewski, David R. Law, Kathryn V. Johnston +2

2MASS has provided a three-dimensional map of the >360 degree, wrapped tidal tails of the Sagittarius (Sgr) dwarf spheroidal galaxy, as traced by M giant stars. With the inclusion…

astro-ph2003★ 42 cited

H-Derived Star-Formation Rates for the z=0.84 Galaxy Cluster CLJ0023+0423B

Rose A. Finn, Dennis Zaritsky, Donald W. McCarthy

We present H-derived star-formation rates (SFRs) for the galaxy cluster CL J0023+0423B at . Our flux limits corresponds to a star-formation rate of 0.24 \smy, an…

astro-ph2003★ 53 cited

Modification of Projected Velocity Power Spectra by Density Inhomogeneities in Compressible Supersonic Turbulence

C. M. Brunt, M. -M. Mac Low

(Modified) The scaling of velocity fluctuation, dv, as a function of spatial scale L in molecular clouds can be measured from size-linewidth relations, principal component analysis…

hep-ex2003★ 96 cited

Measurements of the mass and width of the eta_c meson and of an eta_c(2S) candidate

B. Aubert, BABAR Collaboration

The mass and total width of the eta_c meson have been measured in two-photon interactions at the SLAC asymmetric B-Factory with the BABAR detector. With a sample of approximately 2…

hep-ex2003★ 17 cited

Measurement of the branching fractions and CP-asymmetry of B^- -> D^0_(CP) K^- decays with the BaBar detector

B. Aubert, BABAR Collaboration

We present a study of B- -> D^0_CP K^- decays, where D^0_CP is reconstructed in CP-even channels, based on a sample of 88.8 million Upsilon(4S)->BBbar decays collected with the BaB…

astro-ph2003★ 117 cited

He I 10830 as a Probe of Winds in Accreting Young Stars

S. Edwards, W. Fischer, J. Kwan +2

He I 10830 profiles acquired with Keck's NIRSPEC for 6 young low mass stars with high disk accretion rates (AS 353A, DG Tau, DL Tau, DR Tau, HL Tau and SVS 13) provide new insight…

astro-ph2003★ 182 cited

The Molecular Gas Distribution and Schmidt Law in M33

M. H. Heyer, E. Corbelli, S. E. Schneider +1

The relationship between the star formation rate and surface density of neutral gas within the disk of M33 is examined with new imaging observations of CO J=1-0 emission gathered w…

hep-ex2003★ 15 cited

Tensor Polarization of the phi meson Photoproduced at High t

K. McCormick, the CLAS collaboration

As part of a measurement of the cross section of meson photoproduction to high momentum transfer, we measured the polar angular decay distribution of the outgoing in the…

hep-ex2003★ 31 cited

Observation of the Decay B0 => rho+ rho- and Measurement of the Branching Fraction and Polarization

The BABAR Collaboration, B. Aubert

We have observed the rare decay B0 => rho+ rho- in a sample of 89 million BB pairs recorded with the BABAR detector. The number of observed events is 88 +23-21 +-9, with a signific…