Massiveness of Glueballs as Origin of the OZI Rule

Wei-Shu Hou, Cheng-Ying Ko

The heaviness of the glueball mass scale is suggested as the source of the OZI rule at low energy. The $J/\psi \to \rho \pi$ decay "anomaly" implies the vector glueball $O$ has mass $m_O \ap…