Université de Montréal

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19912026

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2001 · hep-exShow all

23 papers · 2 filters

hep-ex2001★ 26 cited

Measurement of the B0-anti-B0-Oscillation Frequency with Inclusive Dilepton Events

B. Aubert

The $B^{0}$ - $B ˉ^{0}$ oscillation frequency has been measured with a sample of 23 million $\B\bar B$ pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SL…

hep-ex2001★ 32 cited

Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays

B. Aubert

Flavor oscillations of neutral $B$ mesons have been studied in $e^{+} e^{-}$ annihilation data collected with the BABAR detector at center-of-mass energies near the $Υ (4 S)$ resonance. T…

hep-ex2001★ 17 cited

Search for Leptoquarks in Electron-Photon Scattering at sqrt(s_ee) up to 209 GeV at LEP

The OPAL collaboration, G. Abbiendi

Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, ha…

hep-ex2001★ 19 cited

Direct CP Violation Searches in Charmless Hadronic B Meson Decays

The BABAR Collaboration, B. Aubert

We search for direct CP violation in charmless hadronic B decays observed in a sample of about 22.7 million $B B ˉ$ pairs collected with the BABAR detector at the PEP-II asymmet…

hep-ex2001★ 65 cited

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP

The OPAL collaboration, G. Abbiendi

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL det…

hep-ex2001★ 7 cited

Test of exotic scalar and tensor interactions in K_e3 decay using stopped positive kaons

A. S. Levchenko

The form factors of the decay K+ --> pi0 e+ nu (K_e3) have been determined from the comparison of the experimental and Monte Carlo Dalitz distributions containing about 10^5 K_e3 e…

hep-ex2001★ 40 cited

Measurement of B-->K*gamma Branching Fractions and Charge Asymmetries

B. Aubert

The branching fractions of the exclusive decays $B^{0} \to K^{* 0} γ$ and $B^{+} \to K^{*+} γ$ are measured from a sample of $(22.74 \pm 0.36) \times 1 0^{6}$ $B B ˉ$ decays collected with th…

hep-ex2001★ 19 cited

Genuine Correlations of Like-Sign Particles in Hadronic Z0 Decays

The OPAL collaboration, G. Abbiendi

Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at…

hep-ex2001★ 73 cited

Search for Single Top Quark Production at LEP2

The OPAL collaboration, G. Abbiendi

A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e- collider LEP. Approximately…

hep-ex2001★ 26 cited

Search for Lepton Flavour Violation in e+e- Collisions at sqrt(s) = 189 - 209 GeV

The OPAL collaboration, G. Abbiendi

We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with th…

hep-ex2001★ 18 cited

Measurement of the Branching Ratio for the Process b -> tau nu X

The OPAL collaboration, G. Abbiendi

The inclusive branching ratio for the process b -> tau nu X has been measured using hadronic Z decays collected by the OPAL experiment at LEP in the years 1992-2000. The result is:…

hep-ex2001★ 49 cited

Measurements of the branching fractions of exclusive charmless B meson decays with $η^{p} r im e$ or $ω$ mesons

B. Aubert

We present the results of searches for B decays to charmless two-body final states containing $η^{'}$ or $ω$ mesons, based on 20.7 fb $^{- 1}$ of data collected with the BABAR det…

hep-ex2001★ 7 cited

A study of B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays: measurement of the ratio of branching fractions and search for direct CP-violating charge asymmetries

B. Aubert

We have studied the B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays using a 20.7 fb-1 data set collected with the BABAR detector. We observe a signal of 51+/-10 B^+/- --> J…

hep-ex2001★ 56 cited

Measurement of the B-->J/psi K^*(892) decay amplitudes

B. Aubert, The BABAR Collaboration

We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We…

hep-ex2001★ 1 cited

Angular Analysis of the Muon Pair Asymmetry at LEP 1

The OPAL collaboration, G. Abbiendi

Data on muon pair production obtained by the OPAL collaboration at centre of mass energies near the Z peak are analysed. Small angular mismatches between the directions of the two…

hep-ex2001★ 27 cited

Measurement of the B^0 and B^+ meson lifetimes with fully reconstructed hadronic final states

B. Aubert

The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resona…

hep-ex2001★ 17 cited

Measurement of $Γ (K_{μ 3}) /Γ (K_{e 3})$ ratio using stopped positive kaons

Keito Horie, KEK-E246 Collaboration

The ratio of the $K^{+} \to π^{0} μ^{+} ν$ ( $K_{μ 3}^{+}$ ) and $K^{+} \to π^{0} e^{+} ν$ ( $K_{e 3}^{+}$ ) decay widths, $Γ (K_{μ 3}) /Γ (K_{e 3})$ , has been measured with stopped positive kaon…

hep-ex2001★ 60 cited

Measurement of $J / ψ$ production in continuum $e^{+} e^{-}$ annihilations near $s = 10.6$ GeV

The BABAR Collaboration, B. Aubert

The production of $J / ψ$ mesons in continuum $e^{+} e^{-}$ annihilations has been studied with the BABAR detector at energies near the $Υ (4 S)$ resonance, approximately 10.6 GeV. The meso…

hep-ex2001★ 1.4k cited

The BABAR Detector

The BABAR Collaboration

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson deca…

hep-ex2001★ 33 cited

Measurement of the decays B-->phi K and B-->phi K^*

B. Aubert, BABAR Collaboration

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions…

hep-ex2001★ 22 cited

Measurement of the Branching Ratio for D_s->tau nu_tau Decays

The OPAL collaboration, G. Abbiendi

Using about 3.9 million hadronic Z decays from e+e- collisions recorded by the OPAL detector at LEP at centre-of-mass energies near MZ the branching ratio for the decay D_s -> tau…

hep-ex2001★ 162 cited

Measurement of CP-violating asymmetries in B0 decays to CP eigenstates

The BABAR Collaboration, B. Aubert

We present measurements of time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurement uses a data sample of 23 million Upsilon(4S)-->B-a…

hep-ex2001★ 72 cited

Search for the Standard Model Higgs Boson in e+e- Collisions at sqrt(s) = 192-209 GeV

The OPAL collaboration, G. Abbiendi

A search for the Standard Model Higgs boson has been performed with the OPAL detector at LEP based on the full data sample collected at sqrt(s) = 192-209 GeV in 1999 and 2000, corr…

Measurement of the B0-anti-B0-Oscillation Frequency with Inclusive Dilepton Events

Measurement of B0-anti-B0 Flavor Oscillations in Hadronic B0 Decays

Search for Leptoquarks in Electron-Photon Scattering at sqrt(s_ee) up to 209 GeV at LEP

Direct CP Violation Searches in Charmless Hadronic B Meson Decays

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP

Test of exotic scalar and tensor interactions in K_e3 decay using stopped positive kaons

Measurement of B-->K*gamma Branching Fractions and Charge Asymmetries

Genuine Correlations of Like-Sign Particles in Hadronic Z0 Decays

Search for Single Top Quark Production at LEP2

Search for Lepton Flavour Violation in e+e- Collisions at sqrt(s) = 189 - 209 GeV

Measurement of the Branching Ratio for the Process b -> tau nu X

Measurements of the branching fractions of exclusive charmless B meson decays with ηprime or ω mesons

A study of B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays: measurement of the ratio of branching fractions and search for direct CP-violating charge asymmetries

Measurement of the B-->J/psi K^*(892) decay amplitudes

Angular Analysis of the Muon Pair Asymmetry at LEP 1

Measurement of the B^0 and B^+ meson lifetimes with fully reconstructed hadronic final states

Measurement of Γ(Kμ3​)/Γ(Ke3​) ratio using stopped positive kaons

Measurement of J/ψ production in continuum e+e− annihilations near s​=10.6 GeV

The BABAR Detector

Measurement of the decays B-->phi K and B-->phi K^*

Measurement of the Branching Ratio for D_s->tau nu_tau Decays

Measurement of CP-violating asymmetries in B0 decays to CP eigenstates

Search for the Standard Model Higgs Boson in e+e- Collisions at sqrt(s) = 192-209 GeV

Measurements of the branching fractions of exclusive charmless B meson decays with $η^{p} r im e$ or $ω$ mesons

Measurement of $Γ (K_{μ 3}) /Γ (K_{e 3})$ ratio using stopped positive kaons

Measurement of $J / ψ$ production in continuum $e^{+} e^{-}$ annihilations near $s = 10.6$ GeV