Study of the processes ${\chi }_{cJ}\to {\Xi }^{-}{\bar{\Xi }}^{+}$ and ${\Xi }^0{\bar{\Xi }}^0$

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Using $448.1\times 10^6$ $\psi (3686)$ decays collected with the BESIII detector at the BEPCII $e^{+}{e}^{-}$ storage rings, the branching fractions and angular distributions of the decays…