K. Gan

activity

19942018

most citedObservation of a Broad Structure in the

π^{+} π^{-} J / ψ

Mass Spectrum around 4.26 GeV/

c^{2}

744 citations · 6.8k across the 148 of their papers we have counts for

collaborators

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139 papers · 1 filter

hep-ex2009★ 63 cited

A Search for Invisible Decays of the Upsilon(1S)

The BABAR Collaboration, B. Aubert

We search for invisible decays of the Upsilon(1S) meson using a sample of 91.4 x 10^{6} Upsilon(3S) mesons collected at the BaBar/PEP-II B-factory. We select events containing the…

hep-ex2007★ 17 cited

Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

The BABAR Collaboration, B. Aubert

Motivated by the polarization anomaly in the B->phi(1020)K*(892) decay, we extend our search for other K* final states in the decay B0->phi(1020)K^*0 with the K*0->K+pi- invariant…

hep-ex2007★ 61 cited

Determination of the Form Factors for the Decay B0 -> D*- l+ nu_l and of the CKM Matrix Element |V_cb|

The BABAR Collaboration, B. Aubert

We present a combined measurement of the Cabibbo-Kobayashi-Maskawa matrix element |V_{cb}| and of the parameters rho^2, R_1(1), and R_2(1), which fully characterize the form factor…

hep-ex2007★ 18 cited

Branching fraction and charge asymmetry measurements in B to J/psi pi pi decays

The BABAR collaboration, B. Aubert

We study the decays B0 to J/psi pi+pi- and B+ to J/psi pi+pi0, including intermediate resonances, using a sample of 382 million BBbar pairs recorded by the BaBar detector at the PE…

hep-ex2007★ 41 cited

Amplitude Analysis of the decay D^0 --> K^- K^+ pi^0

BABAR Collaboration, B. Aubert

Using 385 fb^-1 of e^+e^- collisions at the CM energies of around 10.6 GeV recorded by the BaBar experiment, we study the amplitudes of the singly Cabibbo-suppressed decay D^0 -->…

hep-ex2007★ 129 cited

The $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-}$ , $K^{+} K^{-} π^{0} π^{0}$ and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections Measured with Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the processes $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} γ$ , $K^{+} K^{-} π^{0} π^{0} γ$ and $K^{+} K^{-} K^{+} K^{-} γ$ , where the photon is radiated from the initial state. About 34600, 4400 and 2300 fully r…

hep-ex2007★ 12 cited

Search for Neutral B-Meson Decays to a0pi, a0K, etarho0, and etaf0

The BABAR Collaboration, B. Aubert

We present a search for B0 decays to charmless final states involving an eta meson, a charged pion and a second charged pion or kaon. The data sample corresponds to 383x10^6 BBbar…

hep-ex2007★ 46 cited

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of $B^{\pm} \to D_{π^{+} π^{-} π^{0}} K^{\pm}$

The BaBar Collaboration, B. Aubert

We report the results of a CP violation analysis of the decay B+/- --> D(pipipi0)K+/-, where D(pipipi0) indicates a neutral D meson detected in the final state pi+pi-pi0, excluding…

hep-ex2007★ 34 cited

Improved Measurement of CP Violation in Neutral B Decays to c cbar s

The BABAR Collaboration, B. aubert

We present updated measurements of time-dependent CP asymmetries in fully-reconstructed neutral B decays to several CP eigenstates containing a charmonium meson. The measurements u…

hep-ex2007★ 65 cited

Observation of CP Violation in B0 -> K+pi- and B0 -> pi+pi-

B. Aubert

We report observations of CP violation in the decays B0 -> K+pi- and B0 -> pi+pi- in a sample of 383 million Y(4S) -> BBbar events. We find 4372 +/- 82 B0 -> K+pi- decays and measu…

hep-ex2007★ 12 cited

Measurement of CP Asymmetry in B0 to Ks pi0 pi0 Decays

The BABAR Collaboration, B. Aubert

We present a measurement of the time-dependent CP asymmetry for the neutral B-meson decay into the CP = +1 final state Ks pi0 pi0, with Ks -> pi+ pi-. We use a sample of approximat…

hep-ex2007★ 11 cited

Observation of $B^{+} \to ρ^{+} K^{0}$ and Measurement of its Branching Fraction and Charge Asymmetry

B. Aubert, BaBar Collaboration

We present the first observation of the decay $B^{+} \to ρ^{+} K^{0}$ , using a data sample of 348 fb $^{- 1}$ collected at the $Υ (4 S)$ resonance with the \babar detector.The branching fractio…

hep-ex2007

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

The BABAR Collaboration, B. Aubert

We present improved measurements of the branching fraction and CP asymmetry for the process B+ --> rho+ pi0. The data sample corresponding to 211/fb comprises 232 million Y(4S)-->B…

hep-ex2006★ 66 cited

Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique

B. Aubert et al.

We report the results of a study of the exclusive charmless semileptonic decay, B --> pi l nu, undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) re…

hep-ex2006★ 11 cited

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert

We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…

hep-ex2006★ 13 cited

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

The BABAR Collaboration, B. Aubert

We report the observation of $\e^+e^-\to ϕη$ near $s$ = 10.58 GeV with 6.5 $σ$ significance in the $K^{+} K^{-} γ γ$ final state in a data sample of 224 $f b^{- 1}$ collected by the…

hep-ex2006★ 6 cited

Evidence for the Rare Decay B+ --> Ds+ pi0

The BABAR Collaboration, B. Aubert

We have searched for the rare decay B+ --> Ds+ pi0. The analysis is based on a sample of 232 million Upsilon(4S) --> B anti-B decays collected with the BABAR detector at the PEP-II…

hep-ex2006★ 148 cited

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the initial-state-radiation processes $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} γ$ and $e^{+} e^{-} \to K^{+} K^{-} π^{0} π^{0} γ$ using an integrated luminosity of 232 fb $^{- 1}$ collected at the $Υ(4S)…

hep-ex2006★ 44 cited

Vector-Tensor and Vector-Vector Decay Amplitude Analysis of B0->phi K*0

The BABAR Collaboration, B. Aubert

We perform an amplitude analysis of the decays B0->phi K^*_2(1430)0, phi K^*(892)0, and phi(K pi)^0_S-wave with a sample of about 384 million BBbar pairs recorded with the BABAR de…

hep-ex2006★ 289 cited

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

The BABAR Collaboration, B. Aubert

We present a measurement of the cross section of the process $e^{+} e^{-} \to π^{+} p i^{-} ψ (2 S)$ from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiatio…

hep-ex2006★ 17 cited

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays

The BABAR Collaboration, B. Aubert

Using 65 million $Υ (4 S) \to B B ˉ$ events collected with the BABAR detector at the PEP-II $e^{+} e^{-}$ storage ring at the Stanford Linear Accelerator Center, we measure the colo…

hep-ex2006★ 65 cited

Observation of CP violation in B^0 -> eta' K^0 Decays

The BABAR Collaboration, B. Aubert

We present measurements of the time-dependent CP-violation parameters S and C in B^0 --> eta' K^0 decays. The data sample corresponds to 384 million B Bar pairs produced by e^+ e^-…

hep-ex2006★ 25 cited

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

The BABAR Collaboration, B. Aubert

We present measurements of the total production rates and momentum distributions of the charmed baryon $Λ_{c}^{+}$ in $e^{+} e^{-} \to$ hadrons at a center-of-mass energy of 10.54 GeV and i…

hep-ex2006★ 6 cited

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and time-dependent CP asymmetry of B^0 to rho^0 K^0. The results are obtained from a data sample of 227 10^6 Y4S to BB_ decays co…

A Search for Invisible Decays of the Upsilon(1S)

Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

Determination of the Form Factors for the Decay B0 -> D*- l+ nu_l and of the CKM Matrix Element |V_cb|

Branching fraction and charge asymmetry measurements in B to J/psi pi pi decays

Amplitude Analysis of the decay D^0 --> K^- K^+ pi^0

The e+e−→K+K−π+π−, K+K−π0π0 and K+K−K+K− Cross Sections Measured with Initial-State Radiation

Search for Neutral B-Meson Decays to a0pi, a0K, etarho0, and etaf0

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of B±→Dπ+π−π0​K±

Improved Measurement of CP Violation in Neutral B Decays to c cbar s

Observation of CP Violation in B0 -> K+pi- and B0 -> pi+pi-

Measurement of CP Asymmetry in B0 to Ks pi0 pi0 Decays

Observation of B+→ρ+K0 and Measurement of its Branching Fraction and Charge Asymmetry

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

Measurement of the B0 --> pi l nu Form-Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

Evidence for the Rare Decay B+ --> Ds+ pi0

A Structure at 2175 MeV in e+e−→ϕf0​(980) Observed via Initial-State Radiation

Vector-Tensor and Vector-Vector Decay Amplitude Analysis of B0->phi K*0

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/c2 in the Reaction e+e−→π+π−ψ(2S) Measured at BaBar

Branching fraction measurement of B0 --> D(*)- pi+, B- --> D(*)0 pi- and isospin analysis of B --> D(*) pi decays

Observation of CP violation in B^0 -> eta' K^0 Decays

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

The $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-}$ , $K^{+} K^{-} π^{0} π^{0}$ and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections Measured with Initial-State Radiation

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of $B^{\pm} \to D_{π^{+} π^{-} π^{0}} K^{\pm}$

Observation of $B^{+} \to ρ^{+} K^{0}$ and Measurement of its Branching Fraction and Charge Asymmetry

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays