Partial wave analysis of J/ψ\to γϕϕ

BES Collaboration

Using $5.8\times 10^{7}J/\psi$ events collected in the BESII detector, the radiative decay $J/\psi \to \gamma \varphi \varphi \to \gamma K^{+}{K}^{-}{K}_S^0{K}_L^0$ is studied. The $\varphi \varphi$ invariant mass distribution exhibi…