Chiral Perturbation Theory for phi -> rho gamma gamma and phi -> omega gamma gamma
arXiv:hep-ph/9508210 · doi:10.1016/0370-2693(95)00996-X
Abstract
We predict differential decay distributions for phi->rho gamma gamma and phi -> omega gamma gamma using chiral perturbation theory. We also consider the isospin violating decay phi -> omega pi^0. Experimental information on these decays can be used to determine couplings in the heavy vector meson chiral Lagrangian.
It was shown by P. Ko et al., hep-ph/9510205 (Phys. Lett. B366 (1996) 287), that there is a etaprime pole contribution that dominates over what we calculated