Chapter 28, Problem 27QAP

To determine

(A)

Is the reaction ${\displaystyle \sum {}^{-}}\to {\text{π}}^{\text{-}}+\text{p}$possible or not

To determine

(B)

Is the reaction ${\displaystyle \sum {}^{-}}\to {\text{π}}^{\text{-}}+\text{n}$possible or not