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19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2002Show all

39 papers · 1 filter

nucl-ex2002★ 9 cited

Directed and Elliptic Flow in Pb+Pb collisions at 40 and 158 AGeV

Alexander Wetzler, N. Borghini, P. M. Dinh +4

Directed and elliptic flow are reported for charged pions and protons as a function of transverse momentum, rapidity, and centrality in 40 and 158 AGeV Pb + Pb collisions. The stan…

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-ph2002★ 1 cited

Electromagnetic corrections to p scattering length from pionic hydrogen

T. E. O. Ericson, B. Loiseau, S. Wycech

We derive a closed, model space independent, expression for the electromagnetic correction factor to the scattering length extracted from a hydrogenic atom with an extended…

astro-ph2002★ 139 cited

The Hubble Diagram of Type Ia Supernovae as a Function of Host Galaxy Morphology

M. Sullivan, R. S. Ellis, G. Aldering +41

(Abridged) We present new results on the Hubble diagram of distant type Ia supernovae (SNe Ia) segregated according to the type of host galaxy. This makes it possible to check earl…

astro-ph2002★ 35 cited

Bias and the power spectrum beyond the turn-over

Ruth Durrer, Andrea Gabrielli, Michael Joyce +1

Threshold biasing of a Gaussian random field gives a linear amplification of the reduced two point correlation function at large distances. We show that for standard cosmological m…

hep-ph2002★ 56 cited

Elimination of ambiguities in pion-pion phase shifts using crossing symmetry

R. Kaminski, L. Lesniak, B. Loiseau

Roy's equations, which incorporate crossing symmetry of the pion-pion scattering amplitudes, are used to resolve the present ambiguity between two solutions for the scalar-isoscala…

astro-ph2002★ 56 cited

Generation of Primordial Cosmological Perturbations from Statistical Mechanical Models

A. Gabrielli, B. Jancovici, M. Joyce +3

The initial conditions describing seed fluctuations for the formation of structure in standard cosmological models, i.e.the Harrison-Zeldovich distribution, have very characteristi…

astro-ph2002★ 11 cited

SNAP Focal Plane

M. Lampton, C. J. Bebek

The proposed SuperNova/Acceleration Probe (SNAP) mission will have a two-meter class telescope delivering diffraction-limited images to an instrumented 0.7 square-degree field sens…

hep-ph2002★ 1 cited

Analytic Amplitudes for Hadronic Forward Scattering : COMPETE Update

B. Nicolescu, J. R. Cudell, V. V. Ezhela +7

We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data in hadron-hadron, gamma-p an…

hep-ex2002★ 27 cited

Measurement of the Branching Fraction for Inclusive Semileptonic B Meson Decays

B. Aubert

A largely model-independent measurement of the inclusive electron momentum spectrum and branching fraction for semileptonic decays of B mesons is presented based on data recorded a…

hep-ex2002★ 186 cited

A ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering

ZEUS Collaboration

Next-to-leading order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target data have been perfomed, from which the gluon and the quark densities of…

astro-ph2002★ 8 cited

Auger : A Large Air Shower Array and Neutrino Telescope

Antoine Letessier-Selvon

Detection of Ultra High Energy Neutrinos (UHEN), with energy above 0.l EeV (10**18 eV) is one of the most exciting challenges of high energy astrophysics and particle physics. In t…

astro-ph2002★ 42 cited

Detection of the BL Lac object 1ES1426+428 in the Very High Energy gamma-ray band by the CAT Telescope from 1998-2000

A. Djannati-Atai, B. Khelifi, S. Vorobiov +14

The BL Lac Object 1ES 1426+428, at a red-shift of z=0.129, has been monitored by the CAT telescope from February 1998 to June 2000. The accumulation of 26 hours of observations sho…

hep-ex2002★ 13 cited

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

B. Aubert, The BABAR Collaboration

We measure the B0 lifetime tau_B0 and the B-Bbar oscillation frequency Deltam_d with a sample of approximately 14,000 exclusively reconstructed B0 -> D*- l+ nu_l signal events, sel…

hep-ex2002★ 18 cited

Search for Excited Electrons at HERA

H1 Collaboration, C. Adloff

A search for excited electron e* production is described in which the electroweak decays e*->e gamma, e*->e Z and e*->nu W are considered. The data used correspond to an integrated…

hep-ph2002★ 1 cited

Elimination of Ambiguities in pi-pi Amplitudes Using Roy's Equations

R. Kaminski, L. Lesniak, B. Loiseau

Roy's equations are used to check if scalar-isoscalar pi-pi amplitudes fitted to the ``up-flat'' and ``down-flat'' phase shift solutions fulfill crossing symmetry below 1 GeV. It i…

hep-ex2002★ 121 cited

Measurements of Branching Fractions and CP-violating Asymmetries in B0->pi+ pi-, K+ pi-, K+ K- Decays

The BABAR Collaboration, B. Aubert

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons based on a sample of abou…

hep-ex2002★ 15 cited

Multiple Jet Production at Low Transverse Energies in p-pbar Collisions at Root(s) = 1.8 TeV

D0 collaboration, V. M. Abazov

We present data on multiple production of jets with transverse energies near 20 GeV in p-pbar collisions at Root(s) = 1.8 TeV. QCD calculations in the parton-shower approximation o…

hep-ex2002★ 266 cited

Measurement of the CP-Violating Asymmetry Amplitude sin2beta

B. Aubert

We present results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 million Y(4S) --> B Bbar…

astro-ph2002★ 4 cited

Universality of power law correlations in gravitational clustering

Francesco Sylos Labini, Thierry Baertschiger, Michael Joyce

We present an analysis of different sets of gravitational N-body simulations, all describing the dynamics of discrete particles with a small initial velocity dispersion. They encom…

hep-ex2002★ 27 cited

Search for Odderon-Induced Contributions to Exclusive pi^0 Photoproduction at HERA

H1 Collaboration, C. Adloff

A search for contributions to the reaction ep-> e pi^0 N^* from photon-Odderon fusion in the photoproduction regime at HERA is reported, at an average photon-proton centre-of-mass…

hep-ph2002★ 217 cited

Benchmarks for the Forward Observables at RHIC, the Tevatron-run II and the LHC

J. R. Cudell, V. V. Ezhela, P. Gauron +7

We present predictions on the total cross sections and on the ratio of the real part to the imaginary part of the elastic amplitude (rho parameter) for present and future pp and pb…

hep-ex2002★ 42 cited

Measurement of Inclusive Jet Cross-Sections in Deep-Inelastic ep Scattering at HERA

H1 Collaboration, C. Adloff

A measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA is presented based on data with an integrated luminosity of 21.1 pb^-1. The measurement is per…

hep-ex2002★ 88 cited

Diffractive Photoproduction of Psi(2S) Mesons at HERA

H1 Collaboration, C. Adloff

Results on diffractive photoproduction of psi(2S) mesons are presented using data collected between 1996 and 2000 with the H1 detector at the HERA ep collider. The data correspond…