Search for ${\eta }_c(2S)\to p\bar{p}{K}^{+}{K}^{-}$ and measurement of ${\chi }_{cJ}\to p\bar{p}{K}^{+}{K}^{-}$ in $\psi (3686)$ radiative decays

M. Ablikim, M. N. Achasov, P. Adlarson +647

A search for ${\eta }_c(2S)\to p\bar{p}{K}^{+}{K}^{-}$, together with measurement of branching fractions of ${\chi }_{cJ(J=0,1,2)}\to p\bar{p}{K}^{+}{K}^{-}$ in the $\psi (3686)\to \gamma {\eta }_c(2S)$ and the $ψ(3686) \to…