Measurement of the branching fraction for $\psi (3686)\to \omega K_S^0{K}_S^0$

M. Ablikim, M. N. Achasov, P. Adlarson +531

Analyzing $(448.1\pm 2.9)\times 10^6$ $\psi (3686)$ events collected with the BESIII detector at the BEPCII collider, the $\psi (3686)\to \omega K_S^0{K}_S^0$ decay is observed for the first…