Showing 2005 · hep-exShow all

23 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★ 5 cited

Muon (g-2): Past, Present and Future

B. Lee Roberts, representing the E821, E969 Collaborations

The muon (g-2) experiment E821 at the Brookhaven National Laboratory has achieved a relative precision of parts per million. A new experiment, E969, with scientific appro…

hep-ex2005★ 3 cited

Intense Muon Physics Working Group Summary

B. Lee Roberts, Marco Grassi, Akira Sato

The intense muon beams which will be available at a neutrino factory provide a unique opportunity for searching for physics beyond the standard model, both in lepton flavor violati…

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★ 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★ 108 cited

Search for coherent charged pion production in neutrino-carbon interactions

K2K collaboration, M. Hasegawa

We report the result from a search for charged-current coherent pion production induced by muon neutrinos with a mean energy of 1.3 GeV. The data are collected with a fully active…

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★ 13 cited

Measurement of the branching ratios of the Z0 into heavy quarks

SLD Collaboration, K. Abe

We measure the hadronic branching ratios of the Z0 boson into heavy quarks: Rb=Gamma(Z0->bb)/Gamma(Z0->hadrons) and Rc=Gamma(Z0->cc/Gamma(Z0->hadrons) using a multi-tag technique.…

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★ 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★ 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…

hep-ex2005★ 109 cited

Search for nucleon decay via modes favored by supersymmetric grand unification models in Super-Kamiokande-I

Kamiokande Collaboration

We report the results for nucleon decay searches via modes favored by supersymmetric grand unified models in Super-Kamiokande. Using 1489 days of full Super-Kamiokande-I data, we s…

hep-ex2005★ 25 cited

Study of the and meson decays into pseudoscalar meson and pair with the CMD-2 detector

2 Collaboration

Using 3.3 pb of data collected with the CMD-2 detector in the 720 -- 840 MeV c.m. energy range, the branching fraction of the conversion decay has been measu…

hep-ex2005★ 8 cited

Results and Future Prospects for Muon (g-2)

B. Lee Roberts

Spin physics had its beginnings in the famous experiments of Stern and Gerlach, which eventually resulted in the postulation of spin by Goudsmit and Uhlenbeck. The Stern-Gerlach ex…

hep-ex2005★ 815 cited

A Measurement of Atmospheric Neutrino Oscillation Parameters by Super-Kamiokande I

Kamiokande Collaboration

We present a combined analysis of fully-contained, partially-contained and upward-going muon atmospheric neutrino data from a 1489 day exposure of the Super--Kamiokande detector. T…