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Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta
M. Ablikim
Based on a sample of 5.8X 10^7 J/psi events taken with the BESII detector, the branching fractions of J/psi--> 2(pi+pi-)eta and J/psi-->3(pi+pi-)eta are measured for the first time…
Measurement of the final states , , and from $\psip$ electromagnetic decays and $\ee$ annihilations
M. Ablikim
Cross sections and form factors for $\ee \to \wpi$, , and $ρ\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the…
Measurements of decays into , , , , and
BES Collaboration
Decays of the into Vector plus Pseudoscalar meson final states have been studied with 14 million events collected with the BESII detector. Branching fractions of $ψ…
Evidence for f0(980)f0(980) production in chi_c0 decays
BES Collaboration, M. Ablikim
Using a sample of 14 million events accumulated with the BES II detector, evidence for production in decays is obtained for the first time; the…
ψ(2S) Decays into $\J$ plus Two Photons
BES collaboration
Using $γγJ/ψ, J/ψ\ra e^+ e^-$ and events from a sample of $\psip$ decays collected with the BESII detector, the branching fractions for $\psip\ra π^0\J$…
Search for the Pentaquark State in and Decays to and
BES Collaboration, J. Z. Bai
Results are presented on and hadronic decays to and final states from data samples of 14 million and 58 million eve…
Determination of BR(chi_{cJ} --> p \bar{p}) in psi(2S) decays
J. Z. Bai, BES Collaboration
The processes psi(2S) --> gamma chi_{cJ}, chi_{cJ} --> p pbar (J=0,1,2) are studied using a sample of 14X10^6 psi(2S) decays collected with the Beijing Spectrometer at the Beijing…