Observation of the decay $\psi (3686)$ $\to$ $\Lambda {\bar{\Sigma }}^{\pm }{\pi }^{\mp }+c.c.$

BESIII collaboration, M. Ablikim, M. N. Achasov +373

Using a sample of $1.06\times 10^8$ $\psi (3686)$ events collected with the BESIII detector, we present the first observation of the decays of $\psi (3686)$ $\to$ $Λ\barΣ^{+}π^{-}…