S.Q. Zhang

activity

19992018

J / ψ \to ϕ π^{+} π^{-}

and

ϕ K^{+} K^{-}

280 citations · 817 across the 24 of their papers we have counts for

collaborators

Showing 2003Show all

5 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★ 14 cited

Measurement of Branching Ratios for $η_{c}$ Hadronic Decays

J. Z. Bai

In a sample of 58 million $J / ψ$ events collected with the BES II detector, the process J/ $ψ \to γ η_{c}$ is observed in five decay channels: $η_{c} \to K^{+} K^{-} π^{+} π^{-}$ , $π^{+} π^{-} π^{+} π^{-}$ , $K^\…

hep-ex2003★ 62 cited

Partial Wave Analyses of $J / ψ \to γ K^{+} K^{-}$ and $γ K_{S}^{0} K_{S}^{0}$

J. Z. Bai et al

Results are presented on $J / ψ$ radiative decays to $K^{+} K^{-}$ and $K_{S}^{0} K_{S}^{0}$ based on a sample of 58M $J / ψ$ events taken with the BES II detector. A partial wave analysis is carrie…

hep-ex2003★ 5 cited

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at $s \sim 2 - 5$ 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★ 15 cited

Search for Lepton Flavor Violation Process J/ $ψ \to e μ$

J. Z. Bai

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

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

Measurement of Branching Ratios for ηc​ Hadronic Decays

Partial Wave Analyses of J/ψ→γK+K− and γKS0​KS0​

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at s​∼2−5 GeV

Search for Lepton Flavor Violation Process J/ψ→eμ

Measurement of Branching Ratios for $η_{c}$ Hadronic Decays

Partial Wave Analyses of $J / ψ \to γ K^{+} K^{-}$ and $γ K_{S}^{0} K_{S}^{0}$

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at $s \sim 2 - 5$ GeV

Search for Lepton Flavor Violation Process J/ $ψ \to e μ$