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19912026
Showing 2001 · hep-exShow all

22 papers · 2 filters

hep-ex2001★ 193 cited

Measurement of e+e- -> pi+pi- cross section with CMD-2 around rho-meson

2 collaboration

The cross section of the process e+e- -> pi+pi- has been measured using about 114000 events collected by the CMD-2 detector at the VEPP-2M e+e- collider in the center-of-mass energ…

hep-ex2001★ 8 cited

Search for R-parity Violating Supersymmetry in Dimuon and Four-Jets Channel

D0 collaboration, V. M. Abazov etal

We present results of a search for R-parity-violating decay of the neutralino chi_1^0, taken to be the Lightest Supersymmetric Particle. It is assumed that this decay proceeds thro…

hep-ex2001★ 12 cited

Search for Leptoquark Pairs Decaying to neutrino neutrino + jets in p anti-p Collisions at s**(1/2)=1.8 TeV

D0 Collaboration, V. M. Abazov

We present the results of a search for leptoquark (LQ) pairs in (85.2 +- 3.7) pb^{-1} of p anti-p collider data collected by the D0 experiment at the Fermilab Tevatron. We observe…

hep-ex2001★ 2 cited

The Muon Anomaly: Experiment and Theory

J. P. Miller

A summary is given of the present status of the theory and experiment of the anomalous magnetic moment of the muon. A difference between predicted and measured values is an indicat…

hep-ex2001★ 15 cited

Improved Direct Measurement of and at the Pole Using a Lepton Tag

SLD Collaboration, Kenji Abe

The parity violation parameters and of the and couplings have been measured directly, using the polar angle dependence of the polarized cross s…

hep-ex2001★ 1 cited

Testing CPT and Lorentz Invariance with the Anomalous Spin Precession of the Muon

M. Deile, Muon g-2 Collaboration

This article discusses tests of CPT and Lorentz invariance with data from the muon g-2 experiment at Brookhaven National Laboratory. According to an extension of the Standard Model…

hep-ex2001★ 35 cited

The Inclusive Jet Cross Section in ppbar Collisions at sqrt{s}=1.8 TeV using the kT Algorithm

D0 Collaboration, V. M. Abazov

The central inclusive jet cross section has been measured using a successive-combination algorithm for reconstruction of jets. The measurement uses 87.3 pb^{-1} of data collected w…

hep-ex2001★ 6 cited

Measurement of the ratio of differential cross sections for W and Z boson production as a function of transverse momentum in pbar p collisions at sqrt(s)=1.8 TeV

V. M. Abazov

We report on a measurement of the ratio of the differential cross sections for W and Z boson production as a function of transverse momentum in proton-antiproton collisions at sqrt…

hep-ex2001★ 18 cited

A Search forthe Scalar Top Quark in Collisions at 1.8 TeV

D0 Collaboration, V. M. Abazov

We have performed a search for scalar top quark (stop) pair production in the inclusive electron-muon-missing transverse energy final state, using a sample of events co…

hep-ex2001★ 25 cited

Subjet Multiplicity of Gluon and Quark Jets Reconstructed with the Algorithm in Collisions

D0 collaboration, V. M. Abazov

The D0 Collaboration has studied for the first time the properties of hadron-collider jets reconstructed with a successive-combination algorithm based on relative transverse moment…

hep-ex2001★ 66 cited

Search for Single Top Quark Production at DZero Using Neural Networks

DZero Collaboration, V. M. Abazov et al

We present a search for electroweak production of single top quarks in ~90 pb^-1 of data collected with the DZero detector at the Fermilab Tevatron collider. Using arrays of neural…

hep-ex2001★ 192 cited

Matter Effects in Upward-Going Muons and Sterile Neutrino Oscillations

The MACRO Collaboration

The angular distribution of upward-going muons produced by atmospheric neutrinos in the rock below the MACRO detector show anomalies in good agreement with two flavor neutrino-mu =…

hep-ex2001★ 16 cited

Search for New Physics Using Quaero: A General Interface to D0 Event Data

D0 Collaboration

We describe Quaero, a method that i) enables the automatic optimization of searches for physics beyond the standard model, and ii) provides a mechanism for making high energy colli…

hep-ex2001★ 16 cited

Search for First-Generation Scalar and Vector Leptoquarks

D0 Collaboration, V. M. Abazov

We describe a search for the pair production of first-generation scalar and vector leptoquarks in the eejj and enujj channels by the D0 Collaboration. The data are from the 1992--1…

hep-ex2001★ 54 cited

Ratio of the Isolated Photon Cross Sections at \sqrt{s} = 630 and 1800 GeV

V. M. Abazov

The inclusive cross section for production of isolated photons has been measured in \pbarp collisions at GeV with the \D0 detector at the Fermilab Tevatron Collide…

hep-ex2001★ 645 cited

Constraints on Neutrino Oscillations Using 1258 Days of Super-Kamiokande Solar Neutrino Data

Kamiokande Collaboration

We report the result of a search for neutrino oscillations using precise measurements of the recoil electron energy spectrum and zenith angle variations of the solar neutrino flux…

hep-ex2001★ 1k cited

Solar 8B and hep Neutrino Measurements from 1258 Days of Super-Kamiokande Data

Kamiokande Collaboration

Solar neutrino measurements from 1258 days of data from the Super-Kamiokande detector are presented. The measurements are based on recoil electrons in the energy range 5.0-20.0MeV.…

hep-ex2001★ 30 cited

Search for heavy particles decaying into electron-positron pairs in p-pbar collisions

D0 Collaboration, V. M. Abazov

We present results of searches for technirho, techniomega, and Z' particles, using the decay channels technirho, techniomega, Z' -> e+e-. The search is based on 124.8 pb-1 of data…

hep-ex2001★ 536 cited

Precise Measurement of the Positive Muon Anomalous Magnetic Moment

H. N. Brown, Muon g-2 Collaboration

A precise measurement of the anomalous g value, a_mu=(g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron. The result a_mu^+=11 659 202(1…

hep-ex2001★ 10 cited

Improved Measurement of the Probability for Gluon Splitting into b bbar in Z0 Decays

Koya Abe et al

We have measured gluon splitting into bottom quarks, g -> b bbar, in hadronic Z0 decays collected by SLD between 1996 and 1998. The analysis was performed by looking for secondary…

hep-ex2001★ 50 cited

Direct Search for Charged Higgs Bosons in Decays of Top Quarks

D0 Collaboration, V. M. Abazov

We present a search for charged Higgs bosons in decays of pair-produced top quarks in pbar p collisions at sqrt(s) = 1.8 TeV using 62.2 pb^-1 of data recorded by the D0 detector at…

hep-ex2001★ 75 cited

High-p_T Jets in pbarp Collisions at sqrt{s} = 630 and 1800 GeV

D0 collaboration, B. Abbott

Results are presented from analyses of jet data produced in pbarp collisions at sqrt{s} = 630 and 1800 GeV collected with the DO detector during the 1994-95 Fermilab Tevatron Colli…