Study of the reactions $\bar{n}p\to 2\ddot{I}{€}^{+}\ddot{I}{€}^{-}$, $2\ddot{I}{€}^{+}\ddot{I}{€}^{-}\ddot{I}{€}^0$, and $2\ddot{I}{€}^{+}\ddot{I}{€}^{-}2\ddot{I}{€}^0$ using $J/\ddot{I}ˆ\to p\ddot{I}{€}^{-}\bar{n}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report an experimental investigation of the reactions $\bar{n}p\to 2\ddot{I}{€}^{+}\ddot{I}{€}^{-}$, $\bar{n}p\to 2\ddot{I}{€}^{+}\ddot{I}{€}^{-}\ddot{I}{€}^0$, and $\bar{n}p\to 2\ddot{I}{€}^{+}\ddot{I}{€}^{-}2\ddot{I}{€}^0$ using $(10.087…