S. Chen

activity

19982015

most citedObservation of a Broad Structure in the

π^{+} π^{-} J / ψ

Mass Spectrum around 4.26 GeV/

c^{2}

744 citations · 2.3k across the 35 of their papers we have counts for

collaborators

Showing hep-exShow all

34 papers · 1 filter

hep-ex2007★ 99 cited

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

The BABAR Collaboration, B. Aubert

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

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★ 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-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★ 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…

hep-ex2006★ 117 cited

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

The BABAR Collaboration, B. Aubert

We report the first observation of an excited singly-charm baryon OmegaC* (css) in the radiative decay OmegaC0 Gamma, where the OmegaC0 baryon is reconstructed in the decays to the…

hep-ex2006★ 37 cited

Measurement of the Spin of the Omega^- Hyperon at BABAR

The BABAR Collaboration, B. Aubert

A measurement of the spin of the Omega^- hyperon produced through the exclusive process Xi_c^0 --> Omega^- K^+ is presented using a total integrated luminosity of 116 fb^-1 recorde…

hep-ex2006★ 47 cited

Observation of $Υ (4 S) d ec a y s t o$ π^+pi^-Υ(1S) $an d$ π^+pi^-Υ(2S)

The BABAR Collaboration, B. Aubert

We present the first measurement of $Υ (4 S)$ decays to $π^{+} p i^{-} Υ (1 S)$ and $π^{+} p i^{-} Υ (2 S)$ based on a sample of 230 $\times 1 0^{6}$ $Υ (4 S)$ mesons collected with the BABAR detector. We me…

hep-ex2006★ 143 cited

Observation of a Charmed Baryon Decaying to D0 p at a Mass Near 2.94 GeV/c2

The BABAR Collaboration, B. Aubert

A search for charmed baryons decaying to $D^{0} p$ reveals two states: the $Λ_{c} (2880)^{+}$ baryon and a previously unobserved state at a mass of [$2939.8\pm 1.3 \text{(stat.)}\pm 1.0 \…

hep-ex2006★ 25 cited

Determinations of |Vub| from Inclusive Semileptonic B Decays with Reduced Model Dependence

The BABAR Collaboration, B. Aubert

We report two novel determinations of |Vub| with reduced model dependence, based on measurements of the mass distribution of the hadronic system in semileptonic B decays. Events ar…

hep-ex2005★ 41 cited

A Search for the rare decay B0 --> tau+tau- at BABAR

The BABAR Collaboration, B. Aubert

We present the results of a search for the decay B0 --> tau+tau- in a data sample of (232 +- 3) x 10^6 Upsilon(4S) --> BBbar decays using the BABAR detector. Certain extensions of…

hep-ex2005★ 4 cited

Measurements of the Absolute Branching Fractions of B^\pm --> K^\pm X_{c\bar c}

The BABAR Collaboration, B. Aubert

We study the two-body decays of B^\pm mesons to K^\pm and a charmonium state, X_{c\bar c}, in a sample of 210.5 fb^{-1} of data from the BaBar experiment. We perform measurements o…

hep-ex2005★ 744 cited

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$

The BABAR Collaboration, B. Aubert

We study initial-state radiation events, $e^{+} e^{-} \to γ_{I S R} π^{+} π^{-} J / ψ$ , with data collected with the BaBar detector. We observe an accumulation of events near 4.26 GeV/ $c^{2}$ in the…

hep-ex2005★ 37 cited

Improved Measurement of the CKM Angle alpha Using B0->rho+rho- Decays

BABAR Collaboration, B. Aubert

We present results from an analysis of B0 -> rho+rho- using 232 million Upsilon(4S) decays collected with the BABAR detector at the PEP-II asymmetric-energy $B$ Factory at SLAC. We…

hep-ex2004★ 70 cited

Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta

B. Aubert

We report the observation of the $B$ meson decay $B^{\pm} \to J / ψ η K^{\pm}$ and evidence for the decay $B^{0} \to J / ψ η K_{S}^{0}$ , using {90} million $B B ba r$ events collected at the $\ensuremath…

hep-ex2001★ 11 cited

Observation of Exclusive barB --> D() K- Decays

R. Mahapatra, CLEO Collaboration

We report the first observation of the exclusive decays \bar B\to D^{(*)}K^{*-}, using 9.66 x 10^{6} B\bar{B} pairs collected at the Υ(4S) with the CLEO detector. We measure the fo…

hep-ex2001★ 125 cited

First Measurement of $Γ (D * +)$

S. Ahmed

We present the first measurement of the D*+ width using 9/fb of e+e- data collected near the Upsilon(4S) resonance by the CLEO II.V detector. Our method uses advanced tracking tech…

hep-ex2001★ 29 cited

Rate Measurement of $D^{0} \to K^{+} π^{-} π^{0}$ and Constraints on $D^{0} - D^{0}$ Mixing

G. Brandenburg, CLEO Collaboration

We present an observation and rate measurement of the decay D0 -> K+pi-pi0 produced in 9/fb of e+e- collisions near the Upsilon(4S) resonance. The signal is inconsistent with an up…

hep-ex2001★ 30 cited

Bounds on the CP Asymmetry in Like-Sign Dileptons from $B^{0} B ˉ^{0}$ Meson Decays

D. E. Jaffe, CLEO Collaboration

We have measured the charge asymmetry in like-sign dilepton yields from B^0 B^0-bar meson decays using the CLEO detector at the Cornell Electron Storage Ring. We find a_ll = [N(l+l…

hep-ex2000★ 21 cited

Observation of the $Ω_{c}^{0}$ Charmed Baryon at CLEO

D. Cronin-Hennessy, CLEO Collaboration

The CLEO experiment at the CESR collider has used 13.7 fb $^{- 1}$ of data to search for the production of the $Ω_{c}^{0}$ (css-ground state) in $e^{+} e^{-}$ collisions at $\sqrt{s} \sim…

hep-ex2000★ 23 cited

Study of $τ$ Decays to Six Pions and Neutrino

A. Anastassov, CLEO Collaboration

The $τ$ decays to six-pion final states have been studied with the CLEO detector at the Cornell Electron Storage Ring. The measured branching fractions are ${\cal B}(τ^-\to 2π^-π^+…

hep-ex2000★ 46 cited

Study of the CP asymmetry of B0 -> J/psi K0S decays in ALEPH

ALEPH Collaboration

The decay B0 -> J/psi K0_S is reconstructed with J/psi -> e+ e- or mu+ mu- and K0_S -> pi+ pi-. From the full ALEPH dataset at LEP1 of about 4 million hadronic Z decays, 23 candida…

hep-ex2000★ 12 cited

Study of $χ_{c 1}$ and $χ_{c 2}$ Meson Production in B Meson Decays

S. Chen, CLEO Collaboration

Using a sample of 9.7 million B meson pairs collected with the CLEO detector, we study B decays to the chi_c1 and chi_c2 charmonia states, which are reconstructed via their radiati…

hep-ex2000★ 15 cited

Measurements of B --> D_s^{()+} D^{(*)} Branching Fractions

S. Ahmed, CLEO Collaboration

This article describes improved measurements by CLEO of the $B^{0} \to D_{s}^{+} D^{*-}$ and $B^{0} \to D_{s}^{*+} D^{*-}$ branching fractions, and first evidence for the decay $B^+ \to D_s^…

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

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

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

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

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

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

Measurement of the Spin of the Omega^- Hyperon at BABAR

Observation of Υ(4S)decaystoπ^+pi^-Υ(1S)andπ^+pi^-Υ(2S)

Observation of a Charmed Baryon Decaying to D0 p at a Mass Near 2.94 GeV/c2

Determinations of |Vub| from Inclusive Semileptonic B Decays with Reduced Model Dependence

A Search for the rare decay B0 --> tau+tau- at BABAR

Measurements of the Absolute Branching Fractions of B^\pm --> K^\pm X_{c\bar c}

Observation of a Broad Structure in the π+π−J/ψ Mass Spectrum around 4.26 GeV/c2

Improved Measurement of the CKM Angle alpha Using B0->rho+rho- Decays

Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta

Observation of Exclusive barB --> D(*) K*- Decays

First Measurement of Γ(D∗+)

Rate Measurement of D0→K+π−π0 and Constraints on D0−D0 Mixing

Bounds on the CP Asymmetry in Like-Sign Dileptons from B0Bˉ0 Meson Decays

Observation of the Ωc0​ Charmed Baryon at CLEO

Study of τ Decays to Six Pions and Neutrino

Study of the CP asymmetry of B0 -> J/psi K0S decays in ALEPH

Study of χc1​ and χc2​ Meson Production in B Meson Decays

Measurements of B --> D_s^{(*)+} D^{*(*)} Branching Fractions

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

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

Observation of $Υ (4 S) d ec a y s t o$ π^+pi^-Υ(1S) $an d$ π^+pi^-Υ(2S)

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$

Observation of Exclusive barB --> D() K- Decays

First Measurement of $Γ (D * +)$

Rate Measurement of $D^{0} \to K^{+} π^{-} π^{0}$ and Constraints on $D^{0} - D^{0}$ Mixing

Bounds on the CP Asymmetry in Like-Sign Dileptons from $B^{0} B ˉ^{0}$ Meson Decays

Observation of the $Ω_{c}^{0}$ Charmed Baryon at CLEO

Study of $τ$ Decays to Six Pions and Neutrino

Study of $χ_{c 1}$ and $χ_{c 2}$ Meson Production in B Meson Decays

Measurements of B --> D_s^{()+} D^{(*)} Branching Fractions