J. Béquilleux

activity

20042009

most citedMeasurement of the gamma gamma* --> pi0 transition form factor

332 citations · 2.7k across the 52 of their papers we have counts for

collaborators

Showing 2007Show all

25 papers · 1 filter

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★ 17 cited

Study of B0 --> l+l'- decays (l,l' = e,mu)

The BaBar Collaboration, B. Aubert

We present a search for the decays B0 --> e+e-, B0 --> mu+ mu- and B0 --> e mu using data collected with the BABAR detector at the PEP-II e+e-collider at SLAC. Using a dataset corr…

hep-ex2007★ 34 cited

Search for Lepton Flavor Violating Decays τ^\pm \to l^\pmω(l = e, μ)

The BABAR Collaboration, B. Aubert

We have searched for lepton flavor violating decays of a $τ$ to a lighter-mass charged lepton and an $ω$ vector mesonusing 384.1 $f b^{-}$ of $e^{+} e^{-}$ annihilation data collected w…

hep-ex2007★ 167 cited

Observation of Y(3940) -> J/psi omega in B -> J/psi omega K at BABAR

The BABAR Collaboration, B. Aubert

We present a study of the decays $B^{0, +} \to J / ψ ω K^{0, +}$ using $383 \times 1 0^{6}$ $B B ˉ$ events obtained with the \babar detector at PEP-II. We observe $Y (3940) \to J / ψ ω$ , wit…

hep-ex2007★ 81 cited

Search for CP Violation in the Decays D0 --> K- K+ and D0 --> pi- pi+

The BaBar Collaboration, B. Aubert

We measure CP-violating asymmetries of neutral charmed mesons in the modes D0 --> K- K+ and D0 --> pi- pi+ with the highest precision to date by using D0 --> K- pi+ decays to corre…

hep-ex2007★ 14 cited

Measurements of the Branching Fractions of B0 --> K^0K+K-, B0 --> K^0pi+K-, B0 --> K0K+pi-, and B0 --> K0pi+pi-

The BABAR Collaboration, B. Aubert

Branching fraction and asymmetry measurements of charmless $B^{0} \to K^{* 0} h_{1}^{+} h_{2}^{-}$ ( $h_{1, 2}$ = $K$ , $π$ ) decays are presented, using a data sample of 383 million $Υ (4 S) \to$ $B\…

hep-ex2007★ 183 cited

The $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0}$ , 2(π^+π^-)η $,$ K^+ K^-π^+π^-π^0 $an d$ K^+ K^-π^+π^-η$ Cross Sections Measured with Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the processes $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} γ$ , $2 (π^{+} π^{-}) η γ$ , $K^{+} K^{-} π^{+} π^{-} π^{0} γ$ and $K^{+} K^{-} π^{+} π^{-} η γ$ with the hard photon radiated from the initial state. About 20000, 4300,…

hep-ex2007★ 152 cited

Study of Resonances in Exclusive B Decays to Dbar()D()K

The BABAR Collaboration, B. Aubert

We present a study of resonances in exclusive decays of $B$ mesons to $D ˉ^{(*)} D^{(*)} K$ . We report the observation of the decays $B \to \Dbar^{(*)} D^+_{s1}(2536)$ where th…

hep-ex2007★ 15 cited

Evidence for charged B meson decays to a1(1260)+/- pi0 and a1(1260)0 pi+/-

The BABAR Collaboration, B. Aubert

We present measurements of the branching fractions for the decays B+/- --> a1(1260)+/- pi0 and B+/- --> a1(1260)0 pi+/- from a data sample of 232 * 10^6 BB pairs produced in e+e- a…

hep-ex2007★ 14 cited

Measurement of the CP-Violating Asymmetries in B0 -> KS pi0 and of the Branching Fraction of B0 -> K0 pi0

The BABAR Collaboration, B. Aubert

We present a measurement of the time-dependent CP-violating asymmetries in $B^{0} \to K_{S}^{0} π^{0}$ decays based on 383 million $Υ(4S)\to B\kern 0.18em\bar{\kern -0.…

hep-ex2007★ 35 cited

Observation of tree-level B decays with $s s ˉ$ Production from Gluon Radiation

The BABAR Collaboration, B. Aubert

We report on our search for $B^{-} \to D_{s}^{(*) +} K^{-} π^{-}$ , $B^{0} ˉ \to D_{s}^{(*) +} K_{S}^{0} π^{-}$ , and $B^{-} \to D_{s}^{(*) +} K^{-} K^{-}$ decays in 383 million $\FourS \to B \Bbar$ events c…

hep-ex2007★ 17 cited

Branching fraction and CP-violation charge asymmetry measurements for B-meson decays to eta K+-, etapi+-, eta'K, eta'pi+-, omega K, and omegapi+-

The BABAR Collaboration, B. Aubert et al

We present measurements of the branching fractions for B0 meson decays to eta'K0 and omegaK0, and of the branching fractions and CP-violation charge asymmetries for B+ meson decays…

hep-ex2007★ 13 cited

Search for the decay B+ -> Kbar*0(892) K+

The BaBar Collaboration, B. Aubert

We report on a search for the process B+ -> Kbar*0(892) K+ using 232 10^6 Upsilon(4S) -> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B Factory at…

hep-ex2007★ 30 cited

Amplitude Analysis of the B+- ->phi K*(892)+- Decay

The BABAR Collaboration, B. Aubert

We perform an amplitude analysis of B+- -> phi(1020) K*(892)+- decay with a sample of about 384 million BBbar pairs recorded with the BABAR detector. Overall, twelve parameters are…

hep-ex2007★ 39 cited

Search for $D^{0} - D ˉ^{0}$ Mixing Using Doubly Flavor Tagged Semileptonic Decay Modes

The BABAR Collaboration, B. Aubert

We have searched for $D^{0} - D ˉ^{0}$ mixing in $D^{*+} \to π^{+} D^{0}$ decays with $D^{0} \to K^{(*)} e ν$ in a sample of $e^{+} e^{-} \to c c ˉ$ events produced near 10.58 GeV. The c…

hep-ex2007★ 38 cited

Measurement of CP-Violating Asymmetries in B0->D(*)+D-

BaBar Collaboration, B. Aubert

We present updated measurements of \CP-violating asymmetries in the decays $\Bz\to\Dstarpm\Dmp$ and $\Bz\to\Dp\Dm$ using $(383\pm 4) \times 10^{6} \BB$ pairs collected by the \baba…

hep-ex2007★ 16 cited

Measurement of the Absolute Branching Fraction of D0 --> K- pi+

The BABAR Collaboration, B. Aubert

We measure the absolute branching fraction for D0 --> K- pi+ using partial reconstruction of B0bar --> D^{*+} X \ell^{-} \barν_{\ell} decays, in which only the charged lepton and t…

hep-ex2007★ 71 cited

Measurement of the Hadronic Form Factor in D0 --> K- e+ nue Decays

The BABAR Collaboration, B. Aubert

The shape of the hadronic form factor f+(q2) in the decay D0 --> K- e+ nue has been measured in a model independent analysis and compared with theoretical calculations. We use 75 f…

hep-ex2007★ 39 cited

Measurement of CP-Violating Asymmetries in B0-->(rhopi)0 Using a Time-Dependent Dalitz Plot Analysis

The BABAR Collaboration, B. Aubert

We report a measurement of CP-violating asymmetries in B0-->(rhopi)0-->pi+pi-pi0 decays using a time-dependent Dalitz plot analysis. The results are obtained from a data sample of…

hep-ex2007★ 247 cited

Evidence for D0-anti-D0 Mixing

The BABAR Collaboration, B. Aubert

We present evidence for D0-anti-D0 mixing in D0 --> K+pi- decays from 384 fb^{-1} of e+e- colliding-beam data recorded near sqrt(s) 10.6 GeV with the BaBar detector at the PEP-II s…

hep-ex2007★ 28 cited

Production and Decay of Omega_c^0

The BABAR Collaboration, B. Aubert

We present an analysis of inclusive Omega_c^0 baryon production and decays in 230.5 fb^-1 of data recorded with the BABAR detector at the PEP-II asymmetric-energy e+ e- collider at…

hep-ex2007★ 14 cited

Measurement of the Time-Dependent CP Asymmetry in B0 --> D(*)0_CP h0 Decays

The BABAR Collaboration, B. Aubert

We report a measurement of the time-dependent CP-asymmetry parameters $S$ and $C$ in color-suppressed $B^{0} \to D^{(*) 0} h^{0}$ decays, where $h^{0}$ is a $π^{0}$ , $η$ , or $ω$ m…

hep-ex2007★ 29 cited

Search for the rare decay B to pi l+ l-

The BABAR Collaboration, B. Aubert

We have performed a search for the flavor-changing neutral-current decays B --> pi l+l-, where l+l- is either e+e- or mu+mu-, using a sample of 230 million Y(4S)-->BBbar decays col…

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

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

Study of B0 --> l+l'- decays (l,l' = e,mu)

Search for Lepton Flavor Violating Decays τ^\pm \to l^\pmω(l = e, μ)

Observation of Y(3940) -> J/psi omega in B -> J/psi omega K at BABAR

Search for CP Violation in the Decays D0 --> K- K+ and D0 --> pi- pi+

Measurements of the Branching Fractions of B0 --> K^*0K+K-, B0 --> K^*0pi+K-, B0 --> K*0K+pi-, and B0 --> K*0pi+pi-

The e+e−→2(π+π−)π0, 2(π^+π^-)η,K^+ K^-π^+π^-π^0andK^+ K^-π^+π^-η$ Cross Sections Measured with Initial-State Radiation

Study of Resonances in Exclusive B Decays to Dbar(*)D(*)K

Evidence for charged B meson decays to a1(1260)+/- pi0 and a1(1260)0 pi+/-

Measurement of the CP-Violating Asymmetries in B0 -> KS pi0 and of the Branching Fraction of B0 -> K0 pi0

Observation of tree-level B decays with ssˉ Production from Gluon Radiation

Branching fraction and CP-violation charge asymmetry measurements for B-meson decays to eta K+-, etapi+-, eta'K, eta'pi+-, omega K, and omegapi+-

Search for the decay B+ -> Kbar*0(892) K+

Amplitude Analysis of the B+- ->phi K*(892)+- Decay

Search for D0−Dˉ0 Mixing Using Doubly Flavor Tagged Semileptonic Decay Modes

Measurement of CP-Violating Asymmetries in B0->D(*)+D-

Measurement of the Absolute Branching Fraction of D0 --> K- pi+

Measurement of the Hadronic Form Factor in D0 --> K- e+ nue Decays

Measurement of CP-Violating Asymmetries in B0-->(rhopi)0 Using a Time-Dependent Dalitz Plot Analysis

Evidence for D0-anti-D0 Mixing

Production and Decay of Omega_c^0

Measurement of the Time-Dependent CP Asymmetry in B0 --> D(*)0_CP h0 Decays

Search for the rare decay B to pi l+ l-

Measurements of the Branching Fractions of B0 --> K^0K+K-, B0 --> K^0pi+K-, B0 --> K0K+pi-, and B0 --> K0pi+pi-

The $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0}$ , 2(π^+π^-)η $,$ K^+ K^-π^+π^-π^0 $an d$ K^+ K^-π^+π^-η$ Cross Sections Measured with Initial-State Radiation

Study of Resonances in Exclusive B Decays to Dbar()D()K

Observation of tree-level B decays with $s s ˉ$ Production from Gluon Radiation

Search for $D^{0} - D ˉ^{0}$ Mixing Using Doubly Flavor Tagged Semileptonic Decay Modes