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

TL;DR

This paper predicts the behavior of light hadron form factors in e^+e^- collisions up to the J/psi energy, suggesting potential new resonances that could shed light on quark models and gluonic mechanisms.

Contribution

It provides theoretical predictions for hadron form factors in the time-like region up to the J/psi energy, highlighting possible new resonance structures.

Findings

Possible new resonance structures between 2 GeV and J/psi mass

Insights into the three-gluon mechanism of OZI rule breaking

Enhanced understanding of the hadron mass spectrum

Abstract

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.