Observation of the ${\chi }_{cJ}$ decays into $p{K}^{-}\bar{\Lambda }\eta +c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +780

By analyzing $(2712.4\pm 14.3)\times 10^6$ $\psi (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays $χ_{cJ} \to pK^{-}\barΛη+ \mathrm{c.…