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19912026
Showing 2007 · hep-exShow all

41 papers · 2 filters

hep-ex2007★ 10 cited

Experimental study of the atmospheric neutrino backgrounds for proton decay to positron and neutral pion searches in water Cherenkov detectors

K2K Collaboration, S. Mine

The atmospheric neutrino background for proton decay to positron and neutral pion in ring imaging water Cherenkov detectors is studied with an artificial accelerator neutrino beam…

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★ 9 cited

Measurement of the absolute branching ratios for semileptonic K+/- decays with the KLOE detector

KLOE Collaboration

Using a sample of over 600 million phi->K+K- decays collected at the Dafne e+e- collider, we have measured with the KLOE detector the absolute branching ratios for the charged kaon…

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★ 4 cited

Measurement of the KS->gg branching ratio using a pure KS beam with the KLOE detector

The KLOE collaboration

We have searched for the decay KS->gg in a sample of 2x10^9 phi->KS KL decays collected at DAPHNE with an integrated luminosity of 1.9 fb^{-1}. KS are tagged by the KL interaction…

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★ 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★ 64 cited

Study of TeV Neutrinos with Upward Showering Muons in Super-Kamiokande

Kamiokande Collaboration

A subset of neutrino-induced upward through-going muons in the Super-Kamiokande detector consists of high energy muons which lose energy through radiative processes such as bremsst…

hep-ex2007★ 6 cited

Precise measurements of the eta and the neutral kaon meson masses with the KLOE detector

F. Ambrosino, A. Antonelli, M. Antonelli +73

We present precise measurements of the eta and K0 masses using the processes phi to eta gamma, eta to gamma gamma and phi to Ks Kl, Ks to pi+ pi-. The K0 mass measurement, M_K=497.…

hep-ex2007★ 12 cited

Measurement of the K_L \to πμνform factor parameters with the KLOE detector

KLOE Collaboration

Using 328 pb^{-1}of data collected at DAFNE corresponding to 1.8 million decays, we have measured the form factor parameters. The structure of the $K-π…

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★ 4 cited

A Study of the Radiative Ke3 Decay and Search for Direct Photon Emission with the KLOE Detector

Kloe Collaboration

We present a measurement of the ratio R = Γ(\keg;\Estar>30\mev,\qstar>20^\circ)Γ(\kegf)$ and a first measurement of the direct emission contribution in KL semileptonic decays. T…

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…