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19922026
Showing 2005 · hep-exShow all

21 papers · 2 filters

hep-ex2005★ 108 cited

Measurement of the Isolated Photon Cross Section in p-pbar Collisions at sqrt{s}=1.96 TeV

D0 Collaboration

The cross section for the inclusive production of isolated photons has been measured in p anti-p collisions at sqrt{s}=1.96 TeV with the D0 detector at the Fermilab Tevatron Collid…

hep-ex2005★ 78 cited

Search for pentaquark in high statistics measurement of at CLAS

M. Battaglieri, R. De Vita, V. Kubarovsky +5

The exclusive reaction was studied in the photon energy range between 1.6-3.8 GeV searching for evidence of the exotic baryon . The decay…

hep-ex2005★ 20 cited

Search for the Higgs boson in H->WW(*) decays in p anti-p collisions at S**(1/2) = 1.96-TEV

D0 Collaboration, V. Abazov

We present a search for the standard model Higgs boson in H->WW(*), decays with ee, emu and mumu final states in p anti-p collisions at a center-of-mass energy of S**(1/2) = 1.96-T…

hep-ex2005★ 17 cited

A Measurement of the K0 Charge Radius and a CP Violating Asymmetry Together with a Search for CP Violating E1 Direct Photon Emission in the Rare Decay KL->pi+pi-e+e-

KTeV Collaboration

Using the complete KTeV data set of 5241 candidate KL->pi+pi-e+e- decays (including an estimated background of 204+-14 events), we have measured the coupling gCR=0.163+- 0.014(stat…

hep-ex2005★ 61 cited

Beam-Helicity Asymmetries in Double-Charged-Pion Photoproduction on the Proton

CLAS Collaboration, S. Strauch, B. L. Berman

Beam-helicity asymmetries for the two-pion-photoproduction reaction gamma + p --> p pi+ pi- have been studied for the first time in the resonance region for center-of-mass energies…

hep-ex2005★ 16 cited

Measurement of the Lifetime Difference in the B_s^0 System

D0 Collaboration, V. M. Abazov

We present a study of the decay B_s^0 -> J/psi phi We obtain the CP-odd fraction in the final state at time zero, R_perp = 0.16 +/- 0.10 (stat) +/- 0.02 (syst), the average lifetim…

hep-ex2005★ 24 cited

Measurement of Semileptonic Branching Fractions of B Mesons to Narrow D** States

D0 Collaboration, V. Abazov

Using the data accumulated in 2002-2004 with the DO detector in proton-antiproton collisions at the Fermilab Tevatron collider with centre-of-mass energy 1.96 TeV, the branching fr…

hep-ex2005★ 38 cited

Search for Large Extra Spatial Dimensions in Dimuon Production with the D0 Detector

D0 Collaboration, V. Abazov

We present the results of a search for the effects of large extra spatial dimensions in collisions at 1.96 TeV in events containing a pair of energetic muo…

hep-ex2005★ 25 cited

Measurement of the Deuteron Structure Function F2 in the Resonance Region and Evaluation of Its Moments

M. Osipenko, G. Ricco, S. Simula +3

Inclusive electron scattering off the deuteron has been measured to extract the deuteron structure function F2 with the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jef…

hep-ex2005★ 22 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s)=1.96 TeV in Dilepton Final States

D0 Collaboration, V. Abazov

We present a measurement of the top quark pair (ttbar) production cross section in ppbar collisions at a center-of-mass energy of 1.96 TeV using 230 pb-1 of data collected by the D…

hep-ex2005★ 44 cited

Search for single top quark production in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V Abazov

We present a search for electroweak production of single top quarks in the s-channel and t-channel using neural networks for signal-background separation. We have analyzed 230 pb$^…

hep-ex2005★ 40 cited

Search for right-handed W bosons in top quark decay

D0 Collaboration, V. Abazov

We present a measurement of the fraction f+ of right-handed W bosons produced in top quark decays, based on a candidate sample of events in the lepton+jets decay mode. T…

hep-ex2005★ 43 cited

Search for Randall-Sundrum Gravitons in Dilepton and Diphoton Final States

D0 Collaboration, V. M. Abazov

We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating…

hep-ex2005★ 39 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s)=1.96 TeV using Lepton + Jets Events with Lifetime b-tagging

D0 Collaboration, V. Abazov

We present a measurement of the top quark pair () production cross section () in collisions at TeV using 230 pb of data co…

hep-ex2005★ 48 cited

Deeply virtual and exclusive electroproduction of omega mesons

CLAS collaboration, L. Morand

The exclusive omega electroproduction off the proton was studied in a large kinematical domain above the nucleon resonance region and for the highest possible photon virtuality (Q2…

hep-ex2005★ 50 cited

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt{s} = 1.96 TeV using Kinematic Characteristics of Lepton + Jets Events

D0 Collaboration, V. M. Abazov

We present a measurement of the top quark pair ttbar production cross section in ppbar collisions at a center-of-mass energy of 1.96 TeV using 230 pb**{-1} of data collected by the…

hep-ex2005★ 32 cited

Search for Supersymmetry via Associated Production of Charginos and Neutralinos in Final States with Three Leptons

D0 Collaboration, V. Abazov

A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a ppbar center-of-mass energy of 1.96 TeV at the Fermilab T…

hep-ex2005★ 14 cited

Production of WZ Events in p-barp Collisions at sqrt(s)=1.96 TeV and Limits on Anomalous WWZ Couplings

D0 Collaboration, V. M. Abazov

We present results from a search for WZ production with subsequent decay to l nu l'-bar l' (l and l'=electron or muon) using 0.30 fb^(-1) of data collected by the DO experiment bet…

hep-ex2005★ 50 cited

Search for neutral supersymmetric Higgs bosons in multijet events at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We have performed a search for neutral Higgs bosons produced in association with bottom quarks in collisions, using 260 of data collected with the D0 detector…

hep-ex2005★ 37 cited

Radiative decays of the Sigma0(1385) and Lambda(1520) hyperons

S. Taylor, G. S. Mutchler

The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas J…

hep-ex2005★ 51 cited

Measurement of inclusive differential cross sections for Upsilon(1S) production in p-pbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. M. Abazov

We present measurements of the inclusive production cross sections of the Upsilon(1S) bottomonium state in ppbar collisions at sqrt(s) = 1.96 TeV. Using the Upsilon(1S) to mu+mu- d…