output
19912026
Showing 2007 · hep-exShow all

79 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★ 29 cited

A Measurement of the Branching Fractions of exclusive Bbar -> D(*)(pi)l-nubar Decays in Events with a Fully Reconstructed B Meson

The BABAR Collaboration, B. Aubert

We report a measurement of the branching fractions for Bbar -> D(*)(pi)l-nubar decays based on 341.1 fb-1 of data collected at the Upsilon(4S) resonance with the babar detector at…

hep-ex2007★ 10 cited

Time-dependent Dalitz plot analysis of B0 -> D-(+) K0 Pi+(-) decays

The BABAR Collaboration, B. Aubert

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approxima…

hep-ex2007★ 49 cited

Measurement of D0-anti-D0 Mixing using the Ratio of Lifetimes for the Decays D0 --> K-pi+, K-K+, and pi-pi+

The BABAR Collaboration, B. Aubert

We present a measurement of - mixing parameters using the ratios of lifetimes extracted from a sample of mesons produced through the process $D^{*+}\to\D^0π^+…

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★ 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★ 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★ 98 cited

A Precise Measurement of the Muon Neutrino-Nucleon Inclusive Charged Current Cross-Section off an Isoscalar Target in the Energy Range 2.5 < E_ν< 40 GeV by NOMAD

NOMAD Collaboration, Q. K. Wu

We present a measurement of the muon neutrino-nucleon inclusive charged current cross-section, off an isoscalar target, in the neutrino energy range GeV. The…

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★ 100 cited

Measurement of the B --> X_s gamma Branching Fraction and Photon Energy Spectrum using the Recoil Method

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and photon energy spectrum for the decay B --> X_s gamma using data from the BaBar experiment. The data sample corresponds to an…

hep-ex2007★ 38 cited

Dalitz Plot Analysis of the Decay B0(B0bar) --> K+/- pi-/+ pi0

The BABAR Collaboration, B. Aubert

We report a Dalitz-plot analysis of the charmless hadronic decays of neutral B mesons to K^+/- pi^-/+ pi^0. With a sample of (231.8+/-2.6) 10^6 Upsilon(4S) to B Bbar decays collect…

hep-ex2007★ 61 cited

A study of Bbar -> Xi_c Lambda_c^- and Bbar -> Lambda_c^+ Lambda_c^- Kbar decays at BABAR

The BABAR Collaboration, B. Aubert

We report measurements of B-meson decays into two- and three-body final states containing two charmed baryons using a sample of 230 million Y(4S) -> B Bbar decays. We find signific…

hep-ex2007★ 102 cited

A Study of Excited Charm-Strange Baryons with Evidence for new Baryons Ξ_c(3055)^+ and Ξ_c(3123)^+

The BABAR Collaboration, B. Aubert

We present a study of excited charm-strange baryon states produced in annihilations at or near a center-of-mass energy of , in a data sampl…

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★ 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★ 16 cited

Observation of B^+ Meson Decays to a1(1260)^+ K^0 and B^0 to a1(1260)^- K^+

The BABAR Collaboration, B. Aubert

We present branching fraction measurements of the decays B^{+} -> a1(1260)^{+} K^{0} and B^{0} to a1(1260)^{-} K^{+} with a1(1260)^{+} -> pi^{-} pi^{+} pi^{+}. The data sample corr…

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★ 146 cited

Study of e+e- --> Lambda anti-Lambda, Lambda anti-Sigma0, Sigma0 anti-Sigma0 using Initial State Radiation with BABAR

The BABAR Collaboration, B. Aubert

We study the e+e- --> Lambda anti-Lambda gamma, Lambda anti-Sigma0 gamma, Sigma0 anti-Sigma0 gamma processes using 230 fb-1 of integrated luminosity collected by the BABAR detector…

hep-ex2007★ 99 cited

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

The BABAR Collaboration, B. Aubert

We present measurements of the semileptonic decays B- --> D0 tau- nubar, B- --> D*0 tau- nubar, B0bar --> D+ tau- nubar, and B0bar --> D*+ tau- nubar, which are potentially sensiti…

hep-ex2007★ 75 cited

A search for B+ --> tau+ nu with Hadronic B tags

The BABAR Collaboration, B. Aubert

We present a search for the decay B^+ --> tau^+ nu using $383 \times 10^{6}}$ BBbar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B Factor…

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★ 21 cited

Measurement of cos2beta in B0->D(*)h0 Decays with a Time-Dependent Dalitz Plot Analysis of D->KSpi+pi-

The BABAR Collaboration, B. Aubert

We study the time-dependent Dalitz plot of D->KSpi+pi- in B0->D(*)h0 decays, where h0 is a pi0, eta, eta', or omega meson and D*->Dpi0 using a data sample of 383 X 10^6 Upsilon(4S)…