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Showing 1997Show all

105 papers · 1 filter

cond-mat.stat-mech1997★ 77 cited

Large deviations and nontrivial exponents in coarsening systems

I Dornic, C Godreche

We investigate the statistics of the mean magnetisation, of its large deviations and persistent large deviations in simple coarsening systems. We consider more specifically the cas…

hep-ex1997★ 69 cited

A Measurement of the W Boson Mass

B. Abbott, M. Abolins, B. S. Acharya

We present a measurement of the W boson mass using data collected by the D0 experiment at the Fermilab Tevatron during 1994--1995. We identify W bosons by their decays to fina…

hep-ex1997★ 33 cited

A Measurement of the W Boson Mass

B. Abbott, M. Abolins, B. S. Acharya

We report a measurement of the W boson mass based on an integrated luminosity of 82 pb from \ppbar collisions at TeV recorded in 1994--1995 by the \Dzero dete…

cond-mat1997★ 117 cited

A dipole interpretation of the state

V. Pasquier, F. D. M. Haldane

We consider the problem of Bosonic particles interacting repulsively in a strong magnetic field at the filling factor . We project the system in the Lowest Landau Level and se…

hep-ex1997

Measurements of Inclusive Lambda-bar Production with Large x_f at the SPS-Collider

The UA8 Collaboration, A. Brandt, J. B. Cheze +8

We report results of inclusive measurements of anti-Lambda, produced in the forward direction at the SPS with sqrt(s) = 630 GeV, using the UA8 small angle Roman Pot spectrometers.…

astro-ph1997★ 19 cited

Multi-Wavelength Monitoring of GRS 1915+105

R. Bandyopadhyay, P. Martini, E. Gerard +5

Since its discovery in 1992, the superluminal X-ray transient GRS 1915+105 has been extensively observed in an attempt to understand its behaviour. We present here first results fr…

cond-mat1997★ 164 cited

Mobility and Reactivity of Discrete Breathers

S. Aubry, T. Cretegny

Breathers may be mobile close to an instability threshold where the frequency of a pinning mode vanishes. The translation mode is a marginal mode that is a solution of the lineariz…

cond-mat.stat-mech1997★ 3 cited

Folding of the Triangular Lattice in the FCC Lattice with Quenched Random Spontaneous Curvature

S. Mori, E. Guitter

We study the folding of the regular two-dimensional triangular lattice embedded in the regular three-dimensional Face Centered Cubic lattice, in the presence of quenched random spo…

hep-ex1997★ 17 cited

DIRC, the Internally Reflecting Ring Imaging Cherenkov Detector for BABAR

DIRC Collaboration

The DIRC is a new type of Cherenkov imaging device that will be used for the first time in the BABAR detector at the asymmetric B-factory, PEP-II. It is based on total internal ref…

astro-ph1997

AGAPEROS: Searches for microlensing in the LMC with the Pixel Method. I. Data treatment and pixel light curves production

A. -L. Melchior

Recent surveys monitoring millions of light curves of resolved stars in the LMC have discovered several microlensing events. Unresolved stars could however significantly contribute…

astro-ph1997

Infrared Observations of Galaxy Clusters

David Elbaz

This short paper reviews some of the results obtained from ISO observations (ISOCAM and ISOPHOT) on galaxy clusters: Chap.1: "Intracluster dust": new evidence for the presence of d…

hep-ph1997★ 22 cited

Thermodynamic Properties of Effective Chiral Lagrangians with BR Scaling

Chaejun Song, Dong-Pil Min, Mannque Rho

We show that effective chiral Lagrangians endowed with Brown-Rho scaling can be mapped to Landau Fermi-liquid fixed point theory in a way consistent with general constraints follow…

astro-ph1997★ 1 cited

Tidal dwarf galaxies

Pierre-Alain Duc, Felix Mirabel

We review the observational evidences for tidal dwarf galaxies, a class of small galaxies formed out of the tidal debris of collisions between massive galaxies. Tidal dwarfs are fo…

hep-ex1997★ 30 cited

Photo-production of psi' Mesons at HERA

C. Adloff

Quasi-elastic (z >0.95) photo-production of psi' mesons has been observed at HERA for photon-proton centre-of-mass energies in the range 40 to 160 GeV. The psi' mesons were identif…

nucl-ex1997★ 23 cited

Fusion and Binary-Decay Mechanisms in the Cl+Mg System at E/A 8 MeV/Nucleon

Sl. Cavallaro, ; R. Dayras, ; C. Beck +1

Compound-nucleus fusion and binary-reaction mechanisms have been investigated for the Cl+Mg system at an incident beam energy of E= 282 MeV. Charge distributi…

cond-mat.stat-mech1997★ 33 cited

Persistence in the Voter model: continuum reaction-diffusion approach

M. Howard, C. Godreche

We investigate the persistence probability in the Voter model for dimensions d\geq 2. This is achieved by mapping the Voter model onto a continuum reaction-diffusion system. Using…

hep-ph1997★ 19 cited

High-mass diffraction in the QCD dipole picture

A. Bialas, H. Navelet, R. Peschanski

Using the QCD dipole picture of the BFKL pomeron, the cross-section of single diffractive dissociation of virtual photons at high energy and large diffractively excited masses is c…

cond-mat.str-el1997★ 34 cited

Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure

P. Link, I. N. Goncharenko, J. -M. Mignot +2

Neutron diffraction experiments on TmTe at pressures up to 7 GPa are reported. The semiconductor-to-metal transition occurring at 2 GPa in this compound is accompanied by the appea…

hep-ex1997★ 52 cited

Search for First Generation Scalar Leptoquark Pairs in ppbar Collisions at sqrt(s)=1.8 TeV

DZERO Collaboration, B. Abbott

We have searched for first generation scalar leptoquark (LQ) pairs in the enu+jets channel using ppbar collider data (integrated luminosity= 115 pb^-1) collected by the DZero exper…

chao-dyn1997★ 21 cited

Chaotic eigenfunctions in phase space

S. Nonnenmacher, A. Voros

We study individual eigenstates of quantized area-preserving maps on the 2-torus which are classically chaotic. In order to analyze their semiclassical behavior, we use the Bargman…

hep-ex1997★ 31 cited

Zgamma Production in pbarp Collisions at sqrt(s)=1.8 TeV and Limits on Anomalous ZZgamma and Zgammagamma Couplings

D0 Collaboration

We present a study of Z +gamma + X production in p-bar p collisions at sqrt{S}=1.8 TeV from 97 (87) pb^{-1} of data collected in the eegamma (mumugamma) decay channel with the D0 d…

hep-ph1997

Is QCD at small x a string theory?

R. Peschanski

Using the dipole picture describing the limit of QCD at small and the conformal invariance properties of the BFKL kernel in transverse coordinate space, we show that th…

solv-int1997

The Painlevé approach to nonlinear ordinary differential equations

R. Conte

The ``Painlevé analysis'' is quite often perceived as a collection of tricks reserved to experts. The aim of this course is to demonstrate the contrary and to unveil the simplicity…

hep-ex1997★ 24 cited

Updated measurement of the tau lepton lifetime

The ALEPH Collaboration

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with…