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19912026
Showing 1997 · hep-exShow all

24 papers · 2 filters

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…

hep-ex1997★ 6 cited

Search for rare Phi decays in pi+ pi_ gamma final state

2 Collaboration

A search for phi radiative decays has been performed using a data sample of about 2.0 million phi decays collected by the CMD-2 detector at VEPP-2M collider in Novosibirsk. From th…

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…

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-ex1997★ 25 cited

Determination of the Mass of the W Boson Using the D0 Detector at the Tevatron

B. Abbott

A measurement of the mass of the W boson is presented which is based on a sample of 5982 W -> e nu decays observed in pbar-p collisions at sqrt(s) = 1.8 TeV with the D0 detector du…

hep-ex1997★ 13 cited

Scintillation Counters for the D0 Muon Upgrade

D0 Collaboration

We present the results of an upgrade to the D0 muon system. Scintillating counters have been added to the existing central D0 muon system to provide rejection for cosmic ray muons…

hep-ex1997★ 56 cited

A Measurement of Rb using a Vertex Mass Tag

SLD Collaboration

We report a new measurement of Rb = Gamma(Z0->b-bbar) / Gamma(Z0->hadrons) using a double tag technique, where the b hemisphere selection is based on the reconstructed mass of the…

hep-ex1997★ 39 cited

Experimental Search for Chargino and Neutralino Production in Supersymmetry Models with a Light Gravitino

Dzero Collaboration, B. Abbott

We search for inclusive high diphoton events with large missing transverse energy in collisions at =1.8 TeV. Such events are expected from pair productio…

hep-ex1997★ 52 cited

Search for Scalar Leptoquark Pairs Decaying to Electrons and Jets in pbarp Collisions

D0 Collaboration, B. Abbott et al

We have searched for the pair production of first generation scalar leptoquarks in the eejj channel using the full data set (123 pb-1) collected with the D0 detector at the Fermila…

hep-ex1997★ 9 cited

Measurement of the B Hadron Energy Distribution in Z0 Decays

K. Abe et al, :, The SLD Collaboration

We have measured the B hadron energy distribution in Z0 decays using a sample of semi-leptonic B decays recorded in the SLD experiment at SLAC. The energy of each tagged B hadron w…

hep-ex1997★ 45 cited

Measurement of Dijet Angular Distributions and Search for Quark Compositeness

Brad Abbott

We have measured the dijet angular distribution in =1.8 TeV collisions using the D0 detector. Order QCD predictions are in good agreement with the…

hep-ex1997★ 138 cited

Measurement of the Top Quark Mass Using Dilepton Events

B. Abbott

The D0 collaboration has performed a measurement of the top quark mass based on six candidate events for the process t tbar -> b W+ bbar W-, where the W bosons decay to e nu or mu…

hep-ex1997★ 19 cited

Color Coherent Radiation in Multijet Events from ppbar Collisions at sqrt(s) = 1.8 TeV

D0 Collaboration, B. Abbott et al

We report on a study of color coherence effects in ppbar collisions at a center of mass energy sqrt(s)=1.8 TeV. The data were collected with the D0 detector during the 1992-1993 ru…

hep-ex1997★ 25 cited

Search for the Trilepton Signature from the Associated Production of SUSY Chi_1^(+-) Chi_2^0 Gauginos

D0 Collaboration, B. Abbott

We report on a search for the trilepton signature from the associated production of supersymmetric gaugino pairs, Chi_1^(+-) Chi_2^0, within the context of minimal supersymmetric m…

hep-ex1997★ 28 cited

Limits on WWZ and WWγcouplings from p\bar{p}\to eνjj X events at \sqrt{s} = 1.8 TeV

D0 Collaboration, B. Abbott

We present limits on anomalous WWZ and WW-gamma couplings from a search for WW and WZ production in p-bar p collisions at sqrt(s)=1.8 TeV. We use p-bar p -> e-nu jjX events recorde…

hep-ex1997★ 74 cited

Measurement of the Top Quark Pair Production Cross Section in pbarp Collisions

D0 Collaboration, S. Abachi

We present a measurement of the ttbar production cross section in ppbar collisions at root(s) = 1.8TeV by the D0 experiment at the Fermilab Tevatron. The measurement is based on da…

hep-ex1997★ 20 cited

First Measurement of Leptonic Coupling Asymmetries with Polarized Z bosons

The SLD Collaboration, K. Abe, T. Akagi

We present direct measurements of the -lepton coupling asymmetry parameters, , , and , based on a data sample of 12,063 leptonic decays collected by the S…

hep-ex1997★ 31 cited

Studies of Gauge Boson Pair Production and Trilinear Couplings

D0 Collaboration

The gauge boson pair production processes Wg, WW, WZ, and Zg were studied using pbarp collisions corresponding to an integrated luminosity of ~14 pb-1 at a center-of-mass energy of…

hep-ex1997★ 109 cited

Direct Measurement of the Top Quark Mass

D0 Collaboration, S. Abachi

We measure the top quark mass m_t using t tbar pairs produced in the D0 detector by root(s) = 1.8 TeV p pbar collisions in a 125 pb^-1 exposure at the Fermilab Tevatron. We make a…

hep-ex1997★ 38 cited

Study of the ZZγand ZγγCouplings in Z(νν)γProduction

S. Abachi

We have measured the ZZ-gamma and Z-gamma-gamma couplings by studying p-bar p -> (missing ET) gamma + X events at sqrt(s)=1.8 TeV with the D0 detector at the Fermilab Tevatron Coll…

hep-ex1997★ 14 cited

Measurement of Leading Particle Effects in Decays of Z0 Bosons into Light Flavors

The SLD Collaboration, K. Abe et al

We present evidence for leading particle production in hadronic decays of the Z0 boson to light-flavor jets. A polarized electron beam was used to tag quark and antiquark jets, and…

hep-ex1997

Study of KS KL Coupled Decays and KL -Be Interactions with the CMD-2 Detector at VEPP-2M Collider

2 Collaboration

The integrated luminosity about 4000 inverse nanobarn of around phi meson mass ( 5 millions of phi mesons) has been collected with the CMD-2 detector at the VEPP-2M collider. A lat…

hep-ex1997★ 17 cited

Measurement of the Tau Neutrino Helicity and the Michel Parameters in Polarized e+e- Collisions

SLD Collaboration, K. Abe etal

We present a new measurement of the tau neutrino helicity, hnu and the tau Michel parameters rho, eta, xi and the product delta xi. The analysis exploits the highly polarized SLC e…