Observation and branching fraction measurements of ${\chi }_{cJ}\to p\bar{p}{K}_S^0{K}_S^0$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Based on $(2.712\pm 0.014)\times 10^9$ $\psi (3686)$ events collected with the BESIII detector, the decays ${\chi }_{cJ}\to p\bar{p}{K}_S^0{K}_S^0$ ($J=0,1,2$) are observed for the fir…