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

18.1k citations

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37 papers · 1 filter

nucl-th2000★ 11 cited

Pion-Lambda-Sigma Coupling Extracted from Hyperonic Atoms

B. Loiseau, S. Wycech

The latest measurements of the atomic level width in Sigma-hyperonic Pb atom offer the most accurate datum in the region of low-energy Sigma-hyperon physics. Atomic widths are due…

astro-ph2000★ 61 cited

New constraints on the cosmic mid-infrared background using TeV gamma-ray astronomy

C. Renault, A. Barrau, G. Lagache +1

Very high energy gamma-ray data obtained by CAT and HEGRA from active galactic nucleus Mkn 501 are used to constrain the cosmic Mid-Infrared background. While the entire infrared a…

hep-ph2000★ 15 cited

Measuring the Higgs Branching Fraction into two Photons at Future Linear \ee Colliders

E. Boos, J. -C. Brient, D. W. Reid +2

We examine the prospects for measuring the \gaga branching fraction of a Standard Model-like Higgs boson with a mass of 120 GeV at the future TESLA linear \ee collider, assuming an…

hep-ex2000★ 45 cited

A Quasi-Model-Independent Search for New High p_T Physics at DZero

DZero Collaboration

We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero…

hep-ex2000★ 56 cited

A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum

DZero Collaboration

We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero…

hep-ph2000★ 8 cited

Report of the QCD Tools Working Group

R. K. Ellis, R. Field, S. Mrenna +13

We report on the activities of the ``QCD Tools for heavy flavors and new physics searches'' working group of the Run II Workshop on QCD and Weak Bosons. The contributions cover the…

hep-ex2000★ 85 cited

Inclusive Jet Production in pbar p Collisions

D0 Collaboration, B. Abbott

We report a new measurement of the pseudorapidity (eta) and transverse-energy (Et) dependence of the inclusive jet production cross section in pbar b collisions at sqrt(s) = 1.8 Te…

astro-ph2000★ 4 cited

Status and Current Sensitivity of the CELESTE Experiment

M. de Naurois, CELESTE collaboration

The CELESTE experiment uses the heliostats of an old solar farm in the French Pyrenees to detect gamma ray air showers by the atmospheric Cerenkov technique. CELESTE has been opera…

astro-ph2000

Cosmic Rays above eV

Murat Boratav, Alan A. Watson

We briefly review the status of cosmic ray studies between eV and the highest observed energies, namely a few times eV. Because of the rather low incident fluxe…

hep-ph2000★ 8 cited

Tau lepton Michel parameters and new physics

Andre Rouge

A complete discussion of the constraints on the Michel parameters and the ambiguities of their interpretation is presented. Estimators of new physics, optimized for a very wide cla…

hep-ex2000★ 31 cited

Differential cross section for W boson production as a function of transverse momentum in proton-antiproton collisions at 1.8 TeV

D0 collaboration, V. M. Abazov

We report a measurement of the differential cross section for W boson production as a function of its transverse momentum in proton-antiproton collisions at sqrt{s} = 1.8 TeV. The…

astro-ph2000★ 33 cited

Establishing The GZK Cutoff With Ultra High Energy Tau Neutrinos

Antoine Letessier-Selvon

The cosmic ray spectrum has been shown to extend well beyond 10^20 eV. With nearly 20 events observed in the last 40 years, it is now established that particles are accelerated or…

astro-ph2000★ 8 cited

Neutrinos and the Highest Energy Cosmic Rays

Antoine Letessier-Selvon

Observation of Ultra High Energy Cosmic Rays (UHECR) -whose energy exceeds eV- is still a puzzle for modern astrophysics. The transfer of more than 16 Joules to a microscopi…

hep-ex2000★ 10 cited

Measurement of the Angular Distribution of Electrons from W->e nu Decays Observed in ppbar Collisions at sqrt(s)=1.8 TeV

D0 collaboration, B. Abbott

We present the first measurement of the electron angular distribution parameter alpha_2 in W to e nu events produced in proton-antiproton collisions as a function of the W boson tr…

hep-ex2000★ 15 cited

Ratios of Multijet Cross Sections in p-pbar Collisions at sqrt(s)=1.8 TeV

B. Abbott

We report on a study of the ratio of inclusive three-jet to inclusive two-jet production cross sections as a function of total transverse energy in p-pbar collisions at a center-of…

hep-ex2000★ 75 cited

Search for Large Extra Dimensions in Dielectron and Diphoton Production

D0 Collaboration

We report a search for effects of large extra spatial dimensions in ppbar collisions at a center-of-mass energy of 1.8 TeV with the DZero detector, using events containing a pair o…

astro-ph2000★ 109 cited

Can luminosity distance measurements probe the equation of state of dark energy

Pierre Astier

Distance measurements to Type Ia supernovae (SNe Ia) at cosmological distances indicate that the Universe is accelerating and that a large fraction of the critical energy density e…

hep-ex2000★ 72 cited

Cross Section for b Jet Production in pbar-p Collisions at sqrt(s) = 1.8 TeV

D0 collaboration, B. Abbott

Bottom quark production in pbar-p collisions at sqrt(s)=1.8 TeV is studied with 5 inverse picobarns of data collected in 1995 by the DO detector at the Fermilab Tevatron Collider.…

hep-ex2000★ 15 cited

The Ratio of Jet Cross Sections at s**(1/2)=630 GeV and 1800 GeV

D0 Collaboration

The DO Collaboration has measured the inclusive jet cross section in proton-antiproton collisions at s**2 = 630 GeV. The results for pseudorapidities -0.5 to 0.5 are combined with…

hep-ex2000★ 42 cited

Search for Electroweak Production of Single Top Quarks in ppbar Collisions

DZero Collaboration, B. Abbott

We present a search for electroweak production of single top quarks in the electron+jets and muon+jets decay channels. The measurements use ~90 pb^-1 of data from Run 1 of the Ferm…

hep-ex2000★ 65 cited

Search for New Physics in e mu X Data at D0 Using Sleuth: A Quasi-Model-Independent Search Strategy for New Physics

D0 Collaboration

We present a quasi-model-independent search for the physics responsible for electroweak symmetry breaking. We define final states to be studied, and construct a rule that identifie…

hep-ex2000★ 11 cited

Search for R-parity Violation in Multilepton Final States in p-barp Collisions at sqrt{s}=1.8 TeV

The D0 Collaboration

The result of a search for gaugino pair production with a trilepton signature is reinterpreted in the framework of minimal supergravity (mSUGRA) with R-parity violation via leptoni…

hep-ph2000★ 1 cited

On the derivation of the neutrino oscillation length formula

Jean-Michel Levy

Forsaking the traditionnal hand-waving in the treatment of the motion, we show that the ultra-relativistic approximation and the equality of kinematical variables are unnecessary i…

hep-ex2000★ 70 cited

Measurement of elastic electroproduction of phi mesons at HERA

H1 Collaboration, C. Adloff

The elastic electroproduction of phi mesons is studied at HERA with the H1 detector for photon virtualities 1 < Q^2 < 15 GeV^2 and hadronic centre of mass energies 40 < W < 130 GeV…