output
19922026
Showing 2004Show all

258 papers · 1 filter

hep-ex2004★ 22 cited

Limit on the B0->rho0rho0 Branching Fraction and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert et al

We search for the decay B0 -> rho0 rho0 in a data sample of about 227 million Upsilon(4S)-> BBbar decays collected with the BABAR detector at the PEP-II asymmetric-energy e+e- coll…

astro-ph2004★ 1.2k cited

A Redshift Survey of the Submillimeter Galaxy Population

S. C. Chapman, A. W. Blain, Ian Smail +1

We have obtained spectroscopic redshifts using the Keck-I telescope for a sample of 73 submillimeter (submm) galaxies for which precise positions are available. The galaxies lie at…

hep-ex2004★ 44 cited

Measurement of Branching Fractions and Charge Asymmetries for Exclusive B Decays to Charmonium

B. Aubert, BABAR Collaboration

We report measurements of branching fractions and charge asymmetries of exclusive decays of neutral and charged B mesons into two-body final states containing a charmonium state an…

astro-ph2004★ 2 cited

A robust sample of submillimetre galaxies: constraints on the prevalence of dusty, high-redshift starbursts

R. J. Ivison

We develop and apply a dual-survey extraction technique to published submm images of the Lockman Hole using the SCUBA and MAMBO bolometer arrays. Cut above 5 sigma, this catalogue…

astro-ph2004★ 180 cited

The Rest-Frame Optical Properties of SCUBA Galaxies

Ian Smail, S. C. Chapman, A. W. Blain +1

We present optical and near-IR photometry of 96 dusty, far-IR luminous galaxies. We have precise spectroscopic redshifts for all these galaxies yielding a median redshift of z=2.2.…

hep-ex2004★ 100 cited

Search for a Charged Partner of the X(3872) in the B Meson Decay B --> X- K, X- --> J/psi pi- pi0

B. Aubert, BaBar Collaboration

We search for a charged partner of the X(3872) in the decay B --> X- K, X- --> J/psi pi- pi0, using 234 million BBbar events collected at the Y(4S) resonance with the BaBar detecto…

nucl-ex2004★ 67 cited

"Safe" Coulomb Excitation of 30Mg

O. Niedermaier, H. Scheit, V. Bildstein +9

We report on the first radioactive beam experiment performed at the recently commissioned REX-ISOLDE facility at CERN in conjunction with the highly efficient gamma spectrometer MI…

math.AP2004

An accelerated splitting-up method for parabolic equations

István Gyöngy, Nicolai Krylov

We approximate the solution of the Cauchy problem $$ \frac{\partial}{\partial t} u(t,x)=Lu(t,x)+f(t,x), \quad (t,x)\in(0,T]\times\bR^d, $$ $$ u(0,x)=u_0(x),\quad x\in\bR^d $$ b…

astro-ph2004★ 74 cited

Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey

A. Franceschini, J. Manners, M. Polletta +24

We exploit deep combined observations with Spitzer and Chandra of the SWIRE survey in the ELAIS-N1 region, to investigate the nature of the faint X-ray and IR sources in common, to…

cond-mat.soft2004★ 74 cited

Segregation in aqueous methanol enhanced by cooling and compression

L. Dougan, R. Hargreaves, S. P. Bates +4

Molecular segregation in methanol-water mixtures is studied across a wide concentration range as a function of temperature and pressure. Cluster distributions obtained from both ne…

cond-mat.soft2004★ 308 cited

Methanol-water solutions: a bi-percolating liquid mixture

L. Dougan, S. P. Bates, R. Hargreaves +5

An extensive series of neutron diffraction experiments and molecular dynamics simulations has shown that mixtures of methanol and water exhibit extended structures in solution desp…

cond-mat.soft2004★ 119 cited

Dynamical heterogeneities close to a colloidal gel

Antonio M. Puertas, Matthias Fuchs, Michael E. Cates

Dynamical heterogeneities in a colloidal fluid close to gelation are studied by means of computer simulations. A clear distinction between some fast particles and the rest, slow on…

hep-ex2004★ 42 cited

Branching Fractions and CP Asymmetries in B0 -> pi0pi0, B+ -> pi+pi0 and B+ -> K+pi0 Decays and Isospin Analysis of the B -> pipi System

The BABAR Collaboration, B. Aubert

Based on a sample of 227 million BBbar pairs collected by the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC, we measure the branching fraction B(B0 -> pi0pi0) =…

astro-ph2004★ 8 cited

Short time-scale optical variability of the dwarf Seyfert nucleus in NGC 4395

J. E. Skelton, A. Lawrence, A. Pappa +2

We present optical spectroscopic observations of the least-luminous known Seyfert 1 galaxy, NGC 4395, which was monitored every half-hour over the course of 3 nights. The continuum…

astro-ph2004★ 78 cited

Southern Infrared Proper Motion Survey I: Discovery of New High Proper Motion Stars From First Full Hemisphere Scan

N. R. Deacon, N. C. Hambly, J. A. Cooke

We present the first results from the Southern Infrared Proper Motion Survey. Using 2 Micron All Sky Survey data along with that of the SuperCOSMOS sky survey we have been able to…

astro-ph2004★ 247 cited

The Rest-frame Optical Spectra of SCUBA Galaxies

Mark Swinbank, Ian Smail, Scott Chapman +3

We present near-infrared spectroscopy and narrow-band imaging at the wavelength of redshifted H-alpha for a sample of 30 high-redshift, far-infrared luminous galaxies. This sample…

astro-ph2004★ 102 cited

Where are the stars?

V. R. Eke, C. M. Baugh, S. Cole +3

The 2dFGRS is used in conjunction with the 2MASSXSC to study the near-IR light and stellar mass content of the local Universe. Mock galaxy catalogues, constructed from cosmological…

physics.optics2004

Plane waves with negative phase velocity in isotropic chiral mediums

Tom G. Mackay

The propagation of plane waves in an isotropic chiral medium (ICM) is investigated. Simple conditions are derived--in terms of the constitutive parameters of the ICM--for the phase…

physics.gen-ph2004★ 1 cited

Applications of geometric algebra to black holes and Hawking radiation

S. Setiawan

We discuss the applications of Gauge Theory of Gravity (GTG) within the language of geometric algebra to black holes and Hawking radiation. Applications include the Unruh effect, t…

math.AG2004

On nodal sextic fivefold

Ivan Cheltsov

We prove the birational superrigidity and nonrationality of a hypersurface in of degree 6 having at most isolated ordinary double points.

math.DG2004★ 2 cited

Construction of Kaehler surfaces with constant scalar curvature

Yann Rollin, Michael A. Singer

We present new constructions of Kaehler metrics with constant scalar curvature on complex surfaces, in particular on certain del Pezzo surfaces. Some higher dimensional examples ar…

hep-ph2004

Heavy Quarkonium Physics

N. Brambilla, M. Krämer, R. Mussa +82

This report is the result of the collaboration and research effort of the Quarkonium Working Group over the last three years. It provides a comprehensive overview of the state of t…

hep-ex2004★ 6 cited

Measurement of Branching Fraction and Dalitz Distribution for B0->D(*)+/- K0 pi-/+ Decays

B. Aubert, BABAR Collaboration

We present measurements of the branching fractions for the three-body decays B0 -> D(*)-/+ K0 pi^+/-B0 -> D(*)-/+ K*+/- using a sample of approximate…

cond-mat.stat-mech2004★ 10 cited

Coarsening dynamics in a two-species zero-range process

Stefan Grosskinsky, Tom Hanney

We consider a zero-range process with two species of interacting particles. The steady state phase diagram of this model shows a variety of condensate phases in which a single site…