output
19912026
Showing 2008 · hep-exShow all

47 papers · 2 filters

hep-ex2008★ 25 cited

Search for anomalous top quark couplings with the D0 detector

D0 Collaboration, V. Abazov

Anomalous Wtb couplings modify the angular correlations of the top quark decay products and change the single top quark production cross section. We present limits on anomalous top…

hep-ex2008★ 84 cited

First Study of Neutron Tagging with a Water Cherenkov Detector

Kamiokande Collaboration, H. Watanabe, H. Zhang

A first study of neutron tagging is conducted in Super--Kamiokande, a 50,000-ton water Cherenkov detector. The tagging efficiencies of thermal neutrons are evaluated in a 0.2 % GdC…

hep-ex2008★ 14 cited

Evidence for the decay B_s^0 --> D_s^(*)D_s^(*) and a measurement of Delta_Gamma_s^CP/Gamma_s

D0 Collaboration, V. M. Abazov

We search for the semi-inclusive process B_s^0 --> D_s^(*)D_s^(*) using 2.8 fb^-1 of ppbar collisions at s^(1/2) = 1.96 TeV recorded by the D0 detector operating at the Fermilab Te…

hep-ex2008★ 345 cited

An Improved Limit on the Muon Electric Dipole Moment

G. W. Bennett, B. Bousquet, H. N. Brown +73

Three independent searches for an electric dipole moment (EDM) of the positive and negative muons have been performed, using spin precession data from the muon g-2 storage ring at…

hep-ex2008★ 36 cited

Search for the lightest scalar top quark in events with two leptons in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We report results of a search for the pair production of the lightest supersymmetric partner of the top quark using 1 fb-1 of data collected by the D0 detector at a ppbar center-of…

hep-ex2008★ 14 cited

Search for neutral Higgs bosons at high tan(beta) in the b(h/H/A)->btautau channel

D0 Collaboration, V. Abazov

The first search in ppbar collisions at sqrt(s)=1.96 GeV for the production of neutral Higgs bosons in association with bottom quarks and decaying in two tau leptons is presented.…

hep-ex2008★ 17 cited

Evidence of WW+WZ production with lepton + jets final states in proton-antiproton collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

We present the first evidence of WW+WZ production with lepton+jets final states at a hadron collider. The data correspond to 1.07 inverse femtobarns of integrated luminosity collec…

hep-ex2008★ 19 cited

Measurement of the angular and lifetime parameters of the decays and

D0 Collaboration, V. Abazov

We present measurements of the linear polarization amplitudes and the strong relative phases that describe the flavor-untagged decays and $B_{s}^{0}\to J/ψ…

hep-ex2008★ 23 cited

Search for scalar leptoquarks and T-odd quarks in the acoplanar jet topology using 2.5 fb-1 of ppbar collision data at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

A search for new physics in the acoplanar jet topology has been performed in 2.5 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV, recorded by the D0 detector at the Fermilab…

hep-ex2008★ 36 cited

Search for Large extra spatial dimensions in the dielectron and diphoton channels in collisions at 1.96 TeV

D0 Collaboration, V. Abazov

We report on a search for large extra spatial dimensions in the dielectron and diphoton channels using a data sample of 1.05 \invfb of \ppb collisions at a center-of-mass energy of…

hep-ex2008★ 62 cited

Search for charged massive long-lived particles with the D0 detector

D0 Collaboration, V. Abazov

We search for charged massive long-lived particles using 1.1 fb of data collected by the D0 detector at the Fermilab Tevatron Collider. Time-of-flight information…

hep-ex2008★ 32 cited

Search for pair production of second generation scalar leptoquarks

D0 Collaboration, V. M. Abazov

We report on a search for the pair production of second generation scalar leptoquarks (LQ) in ppbar collisions at the center of mass energy sqrt(s)=1.96 TeV using a data set corres…

hep-ex2008★ 23 cited

A search for associated W and Higgs Boson production in ppbar collisions at sqrt{s}=1.96 TeV

D0 Collaboration

We present results of a search for WH -> lepton neutrino b bbar production in ppbar collisions based on the analysis of 1.05 fb-1 of data collected by the D0 experiment at the Ferm…

hep-ex2008★ 32 cited

Measurement of sigma(ppbar -> Z + X) Br(Z -> tau+tau-) at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the cross section for Z boson production times the branching fraction to tau lepton pairs sigma(ppbar -> Z + X) Br(Z -> tau+ tau-) in proton-antiproton…

hep-ex2008★ 2 cited

A search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We report a search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology, using an integrated luminosity of 0.93 inverse femtobarn recorded by the D…

hep-ex2008★ 92 cited

Observation of the doubly strange b baryon Omega_b-

D0 Collaboration, V. Abazov

We report the observation of the doubly strange b baryon Omega_b- in the decay channel Omega_b- to J/psi Omega-, with J/psi to mu+ mu- and Omega- to Lambda K-, in collis…

hep-ex2008★ 62 cited

Measurement of differential Z/gamma*+jet+X cross sections in proton anti-proton collisions at sqrt{s}=1.96 TeV

D0 Collaboration, V. Abazov

We present new measurements of differential cross sections for Z/gamma*(->mumu)+jet+X production in a 1 fb-1 data sample collected with the D0 detector in proton anti-proton collis…

hep-ex2008★ 25 cited

Observation of ZZ production in ppbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present an observation for ZZ -> l+l-l'+l'- (l, l' = e or mu) production in ppbar collisions at a center-of-mass energy of sqrt(s) = 1.96 TeV. Using 1.7 fb-1 of data collected b…

hep-ex2008★ 11 cited

ZZ to llvv production in pp collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We describe a search for Z boson pair production in pp collisions at sqrt(s)= 1.96 TeV with the D0 detector at the Fermilab Tevatron Collider using a data sample corresponding to a…

hep-ex2008★ 76 cited

Measurement of the electron charge asymmetry in ppbar->W+X->enu+X events at sqrt{s}=1.96 TeV

V. M. Abazov

We present a measurement of the electron charge asymmetry in ppbar->W+X->enu+X events at a center of mass energy of 1.96 TeV using 0.75 fb-1 of data collected with the D0 detector…

hep-ex2008★ 33 cited

Search for anomalous $\boldmath{Wtb}$ couplings in single top quark production

D0 Collaboration, V. M. Abazov

In 0.9 fb of collisions, D0 has observed an excess of events with an isolated lepton, missing transve rse momentum, and two to four jets. This excess is consisten…

hep-ex2008★ 48 cited

Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3 GeV wide band beam

K2K Collaboration, A. Rodriguez, L. Whitehead

Single charged pion production in charged-current muon neutrino interactions with carbon is studied using data collected in the K2K long-baseline neutrino experiment. The mean ener…

hep-ex2008★ 31 cited

Search for third generation scalar leptoquarks decaying into tau b

D0 Collaboration, V. M. Abazov

We have searched for third generation leptoquarks (LQ3) using 1.05 inverse femtobarns of data collected with the D0 detector at the Fermilab Tevatron Collider operating at sqrt(s)=…

hep-ex2008★ 29 cited

Search for long-lived particles decaying into electron or photon pairs with the D0 detector

D0 Collaboration, V. Abazov

In this Letter we report on a search for long-lived particles that decay into final states with two electrons or photons. Such long-lived particles arise in a variety of theoretica…