Scalar Glueball Decay
  We evaluate the coupling constant for the lightest scalar glueball to decay to pseudoscalar meson pairs. The calculation is done in the valence approximation on a $16^3 \times 24$ lattice at $\beta = 5.70$ for two different values of pseudoscalar meson mass. 
J. Sexton, A. Vaccarino and D. Weingarten