Exclusive hadron production in e^+e^- collisions up to the J/psi energy

Details Exclusive hadron production in e^+e^- collisions up to the J/psi energy Exclusive hadron production in e^+e^- collisions up to the J/psi energy

1999-04-14

arxiv.org/abs/hep-ph/9904326v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTex, 5 pages, 5 ps figures. Talk presented by A. A. Kozhevnikov at the International Workshop on e^+e^- collisions from phi

Scientific paper

The predictions are presented for the diagonal and transition form factors of light hadrons in the time-like region up to the production threshold of an open charm quantum number. The comparison with existing data on the decays of J/psi and psi(2S) mesons into such hadrons shows that some new resonance structures may be present in the mass range between 2 GeV and the J/psi mass. Searching them may help in a better understanding of the mass spectrum in quark models, and in revealing the details of the three-gluon mechanism of the OZI rule breaking.

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