X. Chai

activity

20042025

most citedThe Physics of the B Factories

427 citations · 3.3k across the 72 of their papers we have counts for

collaborators

72 papers

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2009★ 89 cited

Evidence for the eta_b(1S) Meson in Radiative Upsilon(2S) Decay

The BABAR Collaboration, B. Aubert

We have performed a search for the eta_b(1S) meson in the radiative decay of the Upsilon(2S) resonance using a sample of 91.6 million Upsilon(2S) events recorded with the BABAR det…

hep-ex2009★ 20 cited

Measurement of the Semileptonic Decays B --> D tau- nubar_tau and B --> D* tau- nubar_tau

The BABAR Collaboration, B. Aubert

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

hep-ex2009★ 13 cited

Measurement of Time-Dependent CP Asymmetry in B0->ccbar K(*)0 Decays

The BABAR Collaboration, B. Aubert

We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sa…

hep-ex2008★ 13 cited

Search for Lepton Flavour Violating Decays $τ \to ℓ K_{S}^{0}$ with the BaBar Experiment

The BaBar Collaboration, B. Aubert

A search for the lepton flavour violating decays $τ^{-} \to l^{-} K_{S}^{0}$ ( $l = e$ or $μ$ ) has been performed using a data sample corresponding to an integrated lum…

hep-ex2008

Measurement of the B+ -> omega l+ nu and B+ -> eta l+ nu Branching Fractions

The BABAR Collaboration, B. Aubert

We present a study of the charmless semileptonic B-meson decays B+ -> omega l+ nu and B+ -> eta l+ nu. The analysis is based on 383 million BBbar pairs recorded at the Upsilon(4S)…

hep-ex2008★ 52 cited

Dalitz Plot Analysis of D_s+ -> pi+ pi- pi+

The BABAR Collaboration, B. Aubert

A Dalitz plot analysis of approximately 13,000 Ds+ decays to pi+pi-pi+ has been performed. The analysis uses a 384 fb-1 data sample recorded by the BaBar detector at the PEP-II asy…

hep-ex2008★ 165 cited

Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

The BABAR Collaboration, B. Aubert

We report the results of a search for the bottomonium ground state eta_b(1S) in the photon energy spectrum with a sample of (109 +/- 1) million of Upsilon(3S) recorded at the Upsil…

hep-ex2008★ 30 cited

Study of B-meson decays to eta_c K^(), eta_c(2S) K^() and eta_c gamma K^(*)

The BABAR Collaboration, B. Aubert

We study two-body $B$ -meson decays to a charmonium state ( $η_{c}$ , $η_{c} (2 S)$ or $h_{c}$ ) and a $K^{+}$ or $K^{* 0} (892)$ meson using a sample of $349 f b^{- 1}$ of data collected with the B…

hep-ex2008★ 14 cited

Study of B Meson Decays with Excited eta and eta' Mesons

The BABAR Collaboration, B. Aubert

Using 383 million BBbar pairs from the BaBar data sample, we report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charm…

hep-ex2008★ 19 cited

Measurement of the Branching Fractions of the Rare Decays B0->Ds()+pi-, B0->Ds()+rho-, and B0->Ds()-K()+

The BABAR Collaboration, B. Aubert

We report the measurement of the branching fractions of the rare decays B0->Ds(*)+pi-, B0->Ds(*)+rho-, and B0->Ds(*)-K(*)+ in a sample of 381 million Y(4S) decays into BBbar pairs…

hep-ex2008★ 31 cited

Measurement of the tau -> 3pi eta nu Branching Fraction and a Search for a Second-Class Current in the tau -> eta'(958) pi nu Decay

The BaBar Collaboration, B. Aubert

The "τ\to 3πην" decay with the "η\to γγ" mode is studied using 384 fb^-1 of data collected by the BaBar detector. The branching fraction is measured to be (1.60+/-0.05+/-0.11)x10^-…

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★ 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★ 83 cited

Exclusive branching fraction measurements of semileptonic tau decays into three charged hadrons, $τ^{-} \to ϕ π^{-} ν_{τ}$ and $τ^{-} \to ϕ K^{-} ν_{τ}$

The BABAR Collaboration, B. Aubert

Using a data sample corresponding to an integrated luminosity of 342 $f b^{- 1}$ collected with the BABAR detector at the SLAC PEP-II electron-positron storage ring operating at a ce…

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.…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

The Physics of the B Factories

Evidence for the eta_b(1S) Meson in Radiative Upsilon(2S) Decay

Measurement of the Semileptonic Decays B --> D tau- nubar_tau and B --> D* tau- nubar_tau

Measurement of Time-Dependent CP Asymmetry in B0->ccbar K(*)0 Decays

Search for Lepton Flavour Violating Decays τ→ℓKS0​ with the BaBar Experiment

Measurement of the B+ -> omega l+ nu and B+ -> eta l+ nu Branching Fractions

Dalitz Plot Analysis of D_s+ -> pi+ pi- pi+

Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

Study of B-meson decays to eta_c K^(*), eta_c(2S) K^(*) and eta_c gamma K^(*)

Study of B Meson Decays with Excited eta and eta' Mesons

Measurement of the Branching Fractions of the Rare Decays B0->Ds(*)+pi-, B0->Ds(*)+rho-, and B0->Ds(*)-K(*)+

Measurement of the tau -> 3pi eta nu Branching Fraction and a Search for a Second-Class Current in the tau -> eta'(958) pi nu Decay

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

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+/-

Exclusive branching fraction measurements of semileptonic tau decays into three charged hadrons, τ−→ϕπ−ντ​ and τ−→ϕK−ντ​

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

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Search for Lepton Flavour Violating Decays $τ \to ℓ K_{S}^{0}$ with the BaBar Experiment

Study of B-meson decays to eta_c K^(), eta_c(2S) K^() and eta_c gamma K^(*)

Measurement of the Branching Fractions of the Rare Decays B0->Ds()+pi-, B0->Ds()+rho-, and B0->Ds()-K()+

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

Exclusive branching fraction measurements of semileptonic tau decays into three charged hadrons, $τ^{-} \to ϕ π^{-} ν_{τ}$ and $τ^{-} \to ϕ K^{-} ν_{τ}$