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19932026
most citedThe Cosmological Constant and Dark Energy

5.2k citations

Showing 2007 · hep-exShow all

32 papers · 2 filters

hep-ex2007★ 41 cited

Model-independent measurement of the W boson helicity in top quark decays

D0 Collaboration, V. M. Abazov

We present the first model-independent measurement of the helicity of bosons produced in top quark decays, based on a 1 fb sample of candidate events in the d…

hep-ex2007★ 239 cited

First measurement of the forward-backward charge asymmetry in top quark pair production

D0 Collaboration, V. M. Abazov

We present the first measurement of the integrated forward-backward charge asymmetry in top-antitop quark pair (ttbar) production in proton-antiproton collisions in the lepton plus…

hep-ex2007★ 37 cited

Search for ZZ and Zγ^* production in p-barp collisions at sqrt(s) = 1.96 TeV and limits on anomalous ZZZ and ZZγ^* couplings

D0 Collaboration, V. Abazov

We present a study of four muon, four electron, and two muon two electron events using 1 fb^(-1) of data collected with the D0 detector at the Fermilab Tevatron p-barp Collider at…

hep-ex2007★ 18 cited

A combined search for the standard model Higgs boson at sqrt{s}=1.96 TeV

D0 Collaboration, V. M. Abazov

We present new results of the search for WH to lepton neutrino b b production in ppbar collisions at a center of mass energy of sqrt{s}=1.96 TeV, based on a dataset with integrated…

hep-ex2007★ 125 cited

Search for squarks and gluinos in events with jets and missing transverse energy using 2.1 fb-1 of ppbar collision data at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

A data sample corresponding to an integrated luminosity of 2.1 fb-1 collected by the D0 detector at the Fermilab Tevatron Collider was analyzed to search for squarks and gluinos pr…

hep-ex2007★ 32 cited

Measurement of the B0_s semileptonic branching ratio to an orbitally excited D_s** state, Br(B0_s -> Ds1(2536) mu nu)

D0 Collaboration, V. Abazov

In a data sample of approximately 1.3 fb-1 collected with the D0 detector between 2002 and 2006, the orbitally excited charm state D_s1(2536) has been observed with a measured mass…

hep-ex2007★ 126 cited

Measurement of the shape of the boson transverse momentum distribution in ppbar -> Z/gamma* -> ee+X events produced at sqrt{s}=1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the shape of the Z/gamma* boson transverse momentum (qT) distribution in ppbar -> Z/gamma* -> ee+X events at a center-of-mass energy of 1.96 TeV using 0…

hep-ex2007★ 138 cited

A first measurement of the interaction cross section of the tau neutrino

The DONuT Collaboration

The DONuT experiment collected data in 1997 and published first results in 2000 based on four observed charged-current (CC) interactions. The final analysis of the data colle…

hep-ex2007★ 76 cited

Observation and properties of the orbitally excited B_{s2}* Meson

D0 Collaboration, V. Abazov et al

We report the direct observation of the excited L=1 state B_{s2}* in fully reconstructed decays to B+K-. The mass of the B_{s2}* meson is measured to be {5839.6 +- 1.1 (stat.) +- 0…

hep-ex2007★ 17 cited

Search for sneutrino particles in e + mu final states in ppbar collisions at sqrt{s} =1.96 TeV

D0 Collaboration, V. M Abazov

We report a search for R-parity violating production and decay of sneutrino particles in the e+mu final state with 1.04+-0.06 fb-1 of data collected with the D0 detector at the Fer…

hep-ex2007★ 34 cited

Search for Supersymmetry in Di-Photon Final States at sqrt{s} = 1.96 TeV

V. M. Abazov

We report results of a search for supersymmetry (SUSY) with gauge-mediated symmetry breaking in di-photon events collected by the D0 experiment at the Fermilab Tevatron Collider in…

hep-ex2007★ 25 cited

Search for Randall-Sundrum gravitons with 1 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

Using 1 fb-1 of data from ppbar collisions at sqrt(s)=1.96 TeV at the Fermilab Tevatron collider collected by the D0 detector, we search for decays of Kaluza-Klein excitations of t…

hep-ex2007★ 67 cited

Search for W' bosons decaying to an electron and a neutrino with the D0 detector

D0 Collaboration, V. Abazov

This Letter describes the search for a new heavy charged gauge boson W' decaying into an electron and a neutrino. The data were collected with the D0 detector at the Fermilab Tevat…

hep-ex2007★ 78 cited

Measurement of the muon charge asymmetry from W boson decays

D0 Collaboration, V. M. Abazov

We present a measurement of the muon charge asymmetry from W boson decays using 0.3 fb^{-1} of data collected at \sqrt{s}=1.96 GeV between 2002 and 2004 with the D0 detector at the…

hep-ex2007★ 22 cited

Measurement of the p\bar{p}\to WZ + X cross section at \sqrt{s}=1.96 TeV and limits on WWZ trilinear gauge couplings

D0 Collaboration, V. Abazov

We present measurements of the process at TeV, where and are electron…

hep-ex2007★ 24 cited

Search for flavor-changing-neutral-current D meson decays

D0 Collaboration, V. Abazov

We study the flavor-changing-neutral-current process c to u mu+ mu- using 1.3 fb^-1 of p p bar collisions at sqrt(s) = 1.96 TeV recorded by the D0 detector operating at the Fermila…

hep-ex2007★ 33 cited

Search for Bs --> mu+ mu- at D0

D0 Collaboration, V. Abazov

We report results from a search for the decay Bs --> mu+ mu- using 1.3/fb of pbar p collisions at sqrt(s)= 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron Collider…

hep-ex2007★ 31 cited

Measurement of the ttbar production cross section in ppbar collisions using dilepton events

D0 Collaboration, V. Abazov

We present a measurement of the ttbar pair production cross section in ppbar collisions at sqrt(s) = 1.96 TeV utilizing approximately 425 pb-1 of data collected with the D0 detecto…

hep-ex2007★ 19 cited

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

D0 Collaboration, V. Abazov

Data collected by the D0 detector at a p-pbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider have been used to search for pair production of the lightest super…

hep-ex2007★ 112 cited

Direct observation of the strange b baryon Xi_b^{-}

D0 Collaboration, V. Abazov

We report the first direct observation of the strange b baryon Xi_b^{-}. We reconstruct the decay Xi_b^{-} to J/psi Xi^{-}, with J/psi to dimuons and Xi^{-} to Lambda pion, in ppba…

hep-ex2007★ 57 cited

Observation and Properties of L=1 B_1 and B_2* Mesons

D0 Collaboration, V. Abazov

Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6…

hep-ex2007★ 24 cited

Zgamma production and limits on anomalous ZZgamma and Zgammagamma couplings in ppbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present a study of eegamma and mumugamma events using 1109 (1009) pb-1 of data in the electron (muon) channel, respectively. These data were collected with the D0 detector at th…

hep-ex2007★ 45 cited

Search for stopped gluinos from p-pbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

Long-lived, heavy particles are predicted in a number of models beyond the standard model of particle physics. We present the first direct search for such particles' decays, occurr…

hep-ex2007★ 13 cited

Search for a Higgs boson produced in association with a Z boson in ppbar collisions

D0 Collaboration, V. Abazov

We describe a search for the standard model Higgs boson with a mass of 105 GeV/c^2 to 145 GeV/c^2 in data corresponding to an integrated luminosity of approximately 450 pb^{-1} col…