Observation of the decay ${\Lambda }_c^{+}\to {\Sigma }^{-}{\pi }^{+}{\pi }^{+}{\pi }^0$

BESIII Collaboration, M Ablikim, M N Achasov +428

We report the first observation of the decay ${\Lambda }_c^{+}\to {\Sigma }^{-}{\pi }^{+}{\pi }^{+}{\pi }^0$, based on data obtained in $e^{+}{e}^{-}$ annihilations with an integrated luminosity of 567~pb${}^{-1}$ at…