Chapter 31, Problem 53P

(a)

To determine

Identify the conservation which is violated for the reaction ${\pi }^{-}+\text{p}\to {\Sigma }^{\text{+}}+{\pi }^0$.

(b)

To determine

Identify the conservation which is violated for the reaction ${\mu }^{-}\to {\pi }^{-}+{\nu }_{\text{e}}$.

(c)

To determine

Identify the conservation which is violated for the reaction $\text{p}\to {\pi }^{+}+{\pi }^{+}+{\pi }^{-}$.