CP Test in J/Psi -> gamma phi phi Decay

J. P. Ma, R. G. Ping, B. S. Zou

We propose to test CP symmetry in the decay $\jp\to γϕϕ$, for which large data sample exists at BESII, and a data sample of $10^{10}$ $J/\psi$'s will be collected with BESIII and CLEO…