Cheng Chen

activity

20062025

most citedSearches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma

635 citations · 2k across the 25 of their papers we have counts for

collaborators

26 papers

physics.ins-det2025★ 1 cited

Beam test performance of a prototype muon trigger detector for the PSI muEDM experiment

Tianqi Hu, Jun Kai Ng, Guan Ming Wong +7

We report on the performance evaluation of a prototype muon trigger detector for the PSI muEDM experiment, conducted as a proof-of-principle test at the $π$ E1 beamline of the Paul…

hep-ex2020

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ ν$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +540

We present measurements of the first six hadronic mass moments in semileptonic $B \to X_{c} ℓ ν$ decays. The hadronic mass moments, together with other observables of incl…

hep-ex2018★ 20 cited

Search for a Stable Six-Quark State at BABAR

Bertrand Echenard

Recent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate…

hep-ex2017★ 12 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation

The BABAR Collaboration

The processes $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} η$ are studied over a continuum of energies from threshold…

hep-ex2016★ 24 cited

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

The BABAR Collaboration

Based on the full BaBar data sample of 466.5 million BBbar pairs, we present measurements of the electron spectrum from semileptonic B meson decays. We fit the inclusive electron s…

hep-ex2015★ 59 cited

Measurement of Angular Asymmetries in the Decays B->K*l+l-

Babar Collaboration

We study the lepton forward-backward asymmetry AFB and the longitudinal K* polarization FL, as well as an observable P2 derived from them, in the rare decays B->K*l+l-, where l+l-…

hep-ex2015★ 18 cited

Observation of $B \to D^{(*)} π^{+} π^{-} ℓ^{-} ν$ decays in $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance

The BABAR Collaboration

We report on measurements of the decays of $B$ mesons into the semileptonic final states $B \to D^{(*)} π^{+} π^{-} ℓ^{-} ν$ , where $D^{(*)}$ represents a…

hep-ex2014★ 42 cited

Measurement of the $D^{0} \to π^{-} e^{+} ν_{e}$ differential decay branching fraction as a function of $q^{2}$ and study of form factor parameterizations

J. P. Lees

Based on a sample of 500 million $e^{+} e^{-} \to c c ˉ$ events recorded by the BaBar detector at c.m. energies of close to 10.6 GeV, we report on a study of the decay $D^0 \to π^- e^…

hep-ex2014★ 10 cited

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

J. P. Lees

We use $(121 \pm 1)$ million $Υ (3 S)$ and $(98 \pm 1)$ million $Υ (2 S)$ mesons recorded by the BABAR detector at the PEP-II $e^{+} e^{-}$ collider at SLAC to perform a study of radiative tran…

hep-ex2014★ 524 cited

Search for a dark photon in e+e- collisions at BABAR

The BABAR Collaboration

Dark sectors charged under a new Abelian force have recently received much attention in the context of dark matter models. These models introduce a light new mediator, the so-calle…

hep-ex2014★ 62 cited

Cross sections for the reactions $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-}$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-}$ from events with initial-state radiation

The BABAR Collaboration, J. P. Lees

We study the processes $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} γ$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-} γ$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-} γ$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-} γ$ , where the photon is radiated from the initial state, pro…

hep-ex2013★ 5 cited

Evidence for the decay B0 --> omega omega and search for B0 --> omega phi

The BABAR Collaboration, J. P. Lees, V. Poireau +333

We describe searches for B meson decays to the charmless vector-vector final states omega omega and omega phi with 471 x 10^6 B Bbar pairs produced in e+ e- annihilation at sqrt(s)…

hep-ex2009★ 635 cited

Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma

The BABAR Collaboration, B. Aubert

Searches for lepton-flavor-violating decay of a tau lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 +- 7) x 10^6 tau decays collect…

hep-ex2008★ 95 cited

Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV

The BABAR Collaboration, B. Aubert

We report e+e- --> b anti-b cross section measurements by the BABAR experiment performed during an energy scan in the range of 10.54 to 11.20 GeV at the PEP-II e+e- collider. A tot…

hep-ex2008★ 17 cited

A Measurement of CP Asymmetry in b->sgamma using a Sum of Exclusive Final States

BABAR Collaboration, B. Aubert

We perform a measurement of the CP asymmetry in b->sgamma decays using a sample of 383 BB events collected by the BABAR detector at the PEP-II asymmetric B factory. We reconstruct…

hep-ex2008★ 37 cited

Measurement of the Spin of the Xi(1530) Resonance

The BABAR Collaboration, B. Aubert

The properties of the Xi(1530) resonance are investigated in the Lambdac+ --> Xi- pi+ K+ decay process. The data sample was collected with the BaBar detector at the SLAC PEP-II asy…

hep-ex2008★ 50 cited

Search for CP Violation in Neutral D Meson Cabibbo-suppressed Three-body Decays

BABAR Collaboration, B. Aubert

Using 385 fb^-1 of e^+e^- collision data collected at center-of-mass energies around 10.6 GeV, we search for time-integrated CP violation in the singly Cabibbo-suppressed decays D0…

hep-ex2007★ 47 cited

Observation of the Decay B+ --> K+K-pi+

The BABAR Collaboration, B. Aubert

We report the observation of charmless hadronic decays of charged B mesons to the final state K+K-pi+. Using a data sample of 347.5 fb^-1 collected at the Y(4S) resonance with the…

hep-ex2007★ 58 cited

Study of B0 -> pi0 pi0, B -> pi pi0, and B -> K pi0 Decays, and Isospin Analysis of B -> pipi Decays

The BABAR Collaboration, B. Aubert

We present updated measurements of the branching fractions and CP asymmetries for B0 -> pi0 pi0, B+ -> pi+ pi0, and B+ -> K+ pi0. Based on a sample of 383 x 10^6 Upsilon(4S) -> B B…

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★ 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★ 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★ 50 cited

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B --> rho K* and B --> f0(980) K* decays

The BABAR Collaboration, B. Aubert

We report searches for B-meson decays to the charmless final states rho K* and f0(980) K* with a sample of 232 million BBbar pairs collected with the BABAR detector at the PEP-II a…

hep-ex2006★ 10 cited

Search for the decay of a B0 or B0bar meson to K0bar K0 or K0 K0bar

The BABAR Collaboration, B. Aubert

We present a search for the decay of a B0 or B0bar meson to a K*0bar K0 or K*0 K0bar final state, using a sample of approximately 232 million BBbar events collected with the BABAR…

Beam test performance of a prototype muon trigger detector for the PSI muEDM experiment

Measurement of Hadronic Mass Moments ⟨MXn​⟩ in B→Xc​ℓν Decays at Belle II

Search for a Stable Six-Quark State at BABAR

Measurement of the e+e−→KS0​K±π∓π0 and KS0​K±π∓η cross sections using initial-state radiation

Measurement of the inclusive electron spectrum from B meson decays and determination of |Vub|

Measurement of Angular Asymmetries in the Decays B->K*l+l-

Observation of B→D(∗)π+π−ℓ−ν decays in e+e− collisions at the Υ(4S) resonance

Measurement of the D0→π−e+νe​ differential decay branching fraction as a function of q2 and study of form factor parameterizations

Bottomonium spectroscopy and radiative transitions involving the chi_bJ(1P,2P) states at BABAR

Search for a dark photon in e+e- collisions at BABAR

Cross sections for the reactions e+e−→KS0​KL0​, KS0​KL0​π+π−, KS0​KS0​π+π−, and KS0​KS0​K+K− from events with initial-state radiation

Evidence for the decay B0 --> omega omega and search for B0 --> omega phi

Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma

Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV

A Measurement of CP Asymmetry in b->sgamma using a Sum of Exclusive Final States

Measurement of the Spin of the Xi(1530) Resonance

Search for CP Violation in Neutral D Meson Cabibbo-suppressed Three-body Decays

Observation of the Decay B+ --> K+K-pi+

Study of B0 -> pi0 pi0, B -> pi pi0, and B -> K pi0 Decays, and Isospin Analysis of B -> pipi Decays

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

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

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

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B --> rho K* and B --> f0(980) K* decays

Search for the decay of a B0 or B0bar meson to K*0bar K0 or K*0 K0bar

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ ν$ Decays at Belle II

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation

Observation of $B \to D^{(*)} π^{+} π^{-} ℓ^{-} ν$ decays in $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance

Measurement of the $D^{0} \to π^{-} e^{+} ν_{e}$ differential decay branching fraction as a function of $q^{2}$ and study of form factor parameterizations

Cross sections for the reactions $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-}$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-}$ from events with initial-state radiation

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

Search for the decay of a B0 or B0bar meson to K0bar K0 or K0 K0bar