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19912026
Showing 2002 · hep-exShow all

28 papers · 2 filters

hep-ex2002★ 10 cited

Observation of the strange sea in the proton via inclusive Phi-meson production in neutral current deep inelastic scattering at HERA

ZEUS Collaboration

Inclusive phi-meson production in neutral current deep inelastic e+p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 45 pb^{-1}. The p…

hep-ex2002★ 37 cited

Measurement of subjet multiplicities in neutral current deep inelastic scattering at HERA and determination of

ZEUS Collaboration

The subjet multiplicity has been measured in neutral current e+p interactions at Q**2 > 125 GeV**2 with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. Jets…

hep-ex2002★ 13 cited

Simultaneous Measurement of the B0 Meson Lifetime and Mixing Frequency with B0 --> D*- l+ nu Decays

the BABAR Collaboration, B. Aubert

We measure the B0 lifetime τ_{B0} and the B0-B0bar oscillation frequency Δm_d with a sample of approximately 14,000 exclusively reconstructed B0 --> D*- l+ nu signal events, select…

hep-ex2002★ 7 cited

Measurement of the B0 meson lifetime with partial reconstruction of B0 --> D*- pi+ and B0 --> D*- rho+ decays

The BABAR Collaboration, B. Aubert

The neutral meson lifetime is measured with the data collected by the BaBar detector at the PEP-II storage ring during the years 1999 and 2000, with a total integrated luminosi…

hep-ex2002★ 13 cited

A Measurement of the B0 -> J/psi pi+pi- Branching Fraction

B. Aubert

We present a measurement of the branching fraction for the decay of the neutral meson into the final state . The data set contains approximately 56 million $B\bar{B}…

hep-ex2002★ 10 cited

Search for time-dependent B0s - B0s-bar oscillations using a vertex charge dipole technique

K. Abe

We report a search for B0s - B0s-bar oscillations using a sample of 400,000 hadronic Z0 decays collected by the SLD experiment. The analysis takes advantage of the electron beam po…

hep-ex2002★ 102 cited

Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alpha_s

ZEUS Collaboration

Inclusive jet differential cross sections have been measured in neutral current deep inelastic e+p scattering for boson virtualities Q**2>125 GeV**2. The data were taken using the…

hep-ex2002★ 27 cited

Measurement of the Branching Fraction for Inclusive Semileptonic B Meson Decays

B. Aubert

A largely model-independent measurement of the inclusive electron momentum spectrum and branching fraction for semileptonic decays of B mesons is presented based on data recorded a…

hep-ex2002★ 4 cited

Improved Direct Measurement of the Parity-Violation Parameter A_b Using a Mass Tag and Momentum-Weighted Track Charge

SLD Collaboration, Kenji Abe

We present an improved direct measurement of the parity-violation parameter A_b in the Z boson-b quark coupling using a self-calibrating track-charge technique applied to a sample…

hep-ex2002★ 13 cited

Simultaneous Measurement of the B0 Meson Lifetime and Mixing Frequency with B0 --> D*- l+ nu_l Decays

B. Aubert, The BABAR Collaboration

We measure the B0 lifetime tau_B0 and the B-Bbar oscillation frequency Deltam_d with a sample of approximately 14,000 exclusively reconstructed B0 -> D*- l+ nu_l signal events, sel…

hep-ex2002★ 55 cited

Absolute Lower Limits on the Masses of Selectrons and Sneutrinos in the MSSM

ALEPH Collaboration

The results of searches for selectrons, charginos and neutralinos performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV are interp…

hep-ex2002★ 6 cited

A Search for Time-Dependent B0s-B0sbar Oscillations Using Exclusively Reconstructed Ds+/- Mesons

SLD Collaboration

A search for Bs0-Bs0bar oscillations is performed using a sample of 400,000 hadronic Z0 decays collected by the SLD experiment. The Bs0 candidates are reconstructed in the Bs0 to D…

hep-ex2002★ 121 cited

Measurements of Branching Fractions and CP-violating Asymmetries in B0->pi+ pi-, K+ pi-, K+ K- Decays

The BABAR Collaboration, B. Aubert

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons based on a sample of abou…

hep-ex2002★ 266 cited

Measurement of the CP-Violating Asymmetry Amplitude sin2beta

B. Aubert

We present results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 million Y(4S) --> B Bbar…

hep-ex2002★ 54 cited

Search for Single Top Production in e+e- Collisions at sqrt(s) up to 209GeV

ALEPH Collaboration

Single top production via the flavour changing neutral current reactions e+e- -> \bar{t}c, \bar{t}u is searched for within the 214 pb-1 of data collected by ALEPH at centre-of-mass…

hep-ex2002★ 12 cited

Measurement of diffractive production of D*+-(2010) mesons in deep inelastic scattering at HERA

ZEUS Collaboration

Diffractive production of D*+-(2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 44.3 pb-1. Diffractive c…

hep-ex2002★ 12 cited

Differential cross sections, charge production asymmetry, and spin-density matrix elements for D*(2010) produced in 500 GeV/c pi^- nucleon interactions

Fermilab E791 Collaboration

We report differential cross sections for the production of D*(2010) produced in 500 GeV/c pi^- nucleon interactions from experiment E791 at Fermilab, as functions of Feynman-x (x_…

hep-ex2002★ 14 cited

A flavour-independent Higgs boson search in e+e- collisions at sqrt(s) up to 209GeV

ALEPH Collaboration

A search for the Higgsstrahlung process is carried out, covering decays of the Higgs boson into any quark pair, a gluon pair or a tau pair. The an…

hep-ex2002

An improved study of the structure of e+e- -> b bbar g events and limits on the anomalous chromomagnetic coupling of the b-quark

Koya Abe etal

The structure of three-jet e+e- -> b bbar g events has been studied using hadronic Z0 decays recorded in the SLD experiment at SLAC. Three-jet final states were selected and the CC…

hep-ex2002★ 242 cited

Dalitz Plot Analysis of the Decay D^+ --> K^- pi^+ pi^+ and Indication of a Low-Mass Scalar K pi Resonance

E791 Collaboration

We study the Dalitz plot of the decay D^+ --> K^- pi^+ pi^+ with a sample of 15090 events from Fermilab experiment E791. Modeling the decay amplitude as the coherent sum of known K…

hep-ex2002★ 7 cited

Measurement of the Branching Fraction and CP Content for the Decay B0 --> D*+ D*-

The BaBar Collaboration, B. Aubert

We report a measurement of the branching fraction of the decay B^0 --> D^{*+} D^{*-} and of the CP-odd component of its final state using the BaBar detector. With data correspondin…

hep-ex2002★ 27 cited

Search for T and CP Violation in B0-anti-B0 Mixing with Inclusive Dilepton Events

B. Aubert

We report the results of a search for T and CP violation in B0-anti-B0 mixing using an inclusive dilepton sample collected by the BaBar experiment at the PEP-II B Factory. The asym…

hep-ex2002★ 109 cited

Measurement of the b-quark fragmentation function in Z0 decays

Koya Abe

We present a measurement of the b-quark inclusive fragmentation function in Z0 decays using a novel kinematic B-hadron energy reconstruction technique. The measurement was performe…

hep-ex2002★ 13 cited

Measurement of the B0 Lifetime with Partially Reconstructed B0 --> D*- l+ nu Decays

The BABAR Collaboration, B. Aubert

The B0 lifetime has been measured with a sample of 23 million BBbar pairs collected by the BaBar detector at the PEP-II e+e- storage ring during 1999 and 2000. Events from the semi…