Observation of $\ddot{I}{‡}_{cJ}\to p\bar{p}{K}_S^0{K}^{-}\ddot{I}{€}^{+}+c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

By analyzing $(27.12\pm 0.14)\times 10^8$ $\ddot{I}ˆ(3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays of $χ_{cJ} \to p \bar{p} K^0_S K^- π^+ +…