Hadronic decays of charmonia from BESII

Details Hadronic decays of charmonia from BESII Hadronic decays of charmonia from BESII

2004-07-13

arxiv.org/abs/hep-ex/0407024v1

Int.J.Mod.Phys. A20 (2005) 399-406

Physics

High Energy Physics

High Energy Physics - Experiment

Invited talk in MESON 2004

Scientific paper

10.1142/S0217751X05021567

Recent results on charmonia decays at BESII/BEPC are reported, including the observation of psi'-->K_S K_L, psi'--> Vector + Tensor and psi'--> Vector + Pseudoscalar for the measurement of the relative phase between the strong and electromagnetic decays of psi' and a test of the pQCD ``12% rule'' between psi' and J/psi decays; the test of the color-octet mechanism via chi_cJ --> p \bar{p} and chi_cJ-->\Lambda \bar{\Lambda}; the first observation of chi_c0--> f_0(980)f_0(980); and a study of the psi' and chi_cJ decays with K_S K_S in the final states.

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