Recent Charmonium Results from BES

Details Recent Charmonium Results from BES Recent Charmonium Results from BES

1999-10-14

arxiv.org/abs/hep-ex/9910027v1

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, 5 figures, submitted to the Proceedings for EPS-HEP99

Scientific paper

This paper summarizes recent results obtained from the BES psi(2S) data, which with 3.8 M events, is the world's largest data set. Distributions for psi(2S) -> pi^+ pi^- J/psi are fit to the Novikov-Shifman model. Preliminary branching fractions are reported for psi(2S) -> gamma f_2(1270) and gamma f_J(1710), as well as for decays into states containing an omega or phi. Finally recent measurements of the mass of the chi_c0 and eta_c are reported.

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