Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-12-04
Phys.Lett. B557 (2003) 192-197
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, 1 figures(two diagrams), Phys. Lett. B557 (2003) 192-197
Scientific paper
10.1016/S0370-2693(03)00195-3
The measurements of psi(2S) -> omega pi0 and psi(2S) -> pi+ pi- in e+e-
experiments are examined. It is found that the non-resonance virtual photon
annihilation gives large contributions to the observed cross sections of these
two processes. By including this contribution, the form factors and branching
fractions of these two decay modes are revised.
Mo X. H.
Wang Pei
Yuan Chang-Zheng
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