activity
20012025
most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

919 citations · 8.1k across the 161 of their papers we have counts for

collaborators
Showing 2003Show all

7 papers · 1 filter

hep-ex2003★ 6 cited

Search for K_S K_S in J/psi and psi(2S) decays

J. Z. Bai, BES Collaboration

The CP violating processes J/psi-->K_S K_S and psi(2S)-->K_S K_S are searched for using samples of 58 million J/psi and 14 million psi(2S) events collected with the Beijing Spectro…

hep-ex2003★ 37 cited

Measurements of decays into Vector- Tensor final states

J. Z. Bai et al

Decays of the into vector plus tensor meson final states have been studied with 14 million events collected with the BESII detector. Branching fractions of $ψ(2S) \…

hep-ex2003★ 32 cited

First observation of psi(2S)-->K_S K_L

J. Z. Bai

The decay psi(2S)-->K_S K_L is observed for the first time using psi(2S) data collected with the Beijing Spectrometer (BESII) at the Beijing Electron Positron Collider (BEPC); the…

hep-ex2003★ 5 cited

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at GeV

BES Collaboration, J. Z. Bai

Inclusive momentum spectra and multiplicity distributions of charged particles measured with BESII detector at center of mass energies of 2.2,2.6,3.0,3.2,4.6 and 4.8 GeV are presen…

hep-ex2003★ 14 cited

First Evidence of Lambda Lambda-bar in χ_cJ Decays

BES Collaboration, J. Z. Bai

The first observation of χ_cJ (J=0,1,2) decays to Lambda Lambda-bar is reported using ψ(2S) data collected with the BESII detector at the BEPC. The branching ratios are determined…

hep-ex2003★ 15 cited

Search for Lepton Flavor Violation Process J/

J. Z. Bai

Using a sample of 5.8X10E7 J/ events, the Beijing Spectrometer experiment has searched for the decay J/. Four candidates, consistent with the estimated background, are…