Electromagnetic form factors in the J/ψmass region: The case in favor of additional resonances

Details Electromagnetic form factors in the J/ψmass region: The case in favor of additional resonances Electromagnetic form factors in the J/ψmass region: The case in favor of additional resonances

1998-01-15

arxiv.org/abs/hep-ph/9801308v2

Phys.Rev. D58 (1998) 097502

Physics

High Energy Physics

High Energy Physics - Phenomenology

Formulas are added, typo is corrected, the text is rearranged. Replaced to match the version accepted in Phys Rev D

Scientific paper

10.1103/PhysRevD.58.097502

Using the results of our recent analysis of e^+e^- annihilation, we plot the curves 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 into such hadrons shows that some new resonance structures may be present in the mass range between 2 GeVand the J/\psi mass. Searching them may help in a better understanding of the mass spectrum in both the simple and a more sophisticated quark models, and in revealing the details of the three-gluon mechanism of the OZI rule breaking in K\bar K channel.

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