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Possible large branching fraction of psi(3770) decays to charmless final states
P. Wang, C. Z. Yuan, X. H. Mo
The branching fraction of the psi(3770) decays into charmless final states is estimated in the S- and D-wave charmonia mixing scheme. With the information of the hadronic decays of…
Observation of a threshold enhancement in the p \bar{Lambda} invariant mass spectrum
BES Collaboration, M. Ablikim
An enhancement near the m_p + M_Λ mass threshold is observed in the combined p \barΛ and \bar{p}Λinvariant mass spectrum from J/ψ--> p K^- \bar{Lambda} + c.c. decays. It can be fit…
Measuring psi(3770) -> Kshort Klong as a test of the S- and D-wave mixing of charmonia
P. Wang, X. H. Mo, C. Z. Yuan
Adding to the long standing "rho-pi puzzle" in psi(3686) and J/psi decays, recently BES reported the branching ratio of psi(3686) -> Kshort Klong which is enhanced relative to the…
Measurements of J/psi --> p \bar{p}
J. Z. Bai
The process J/ψ--> p \bar{p} is studied using 57.7 X 10^6 J/ψevents collected with the BESII detector at the Beijing Electron Positron Collider. The branching ratio is determined t…