Observation and branching fraction measurement of the decay $J/\ddot{I}ˆ\to \bar{p}\hat{I}{\pounds }^{+}{K}_S^0+c.c.$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J/\ddot{I}ˆ\to \bar{p}\hat{I}{\pounds }^{+}{K}_S^0$ and $J/\ddot{I}ˆ\to p\bar{\hat{I}}{\pounds }^{-}{K}_S^0$ is reported using $(10087\pm 44)\times 10^6$ $J\…