$2^{++}$ glueball

Abstract

The mixing between the $f_2(1270)$, the $f_2(1525)$, and the $2^{++}$ glueball is determined and tested. The mass and the hadronic decay widths of the $G_2$ and the branching ratio $B(J/\psi \to \gamma G_2)$ are predicted.

Comments: 15 pages