Which of the Following Reactions Cannot Occur?
A)n $\rightarrow$ P + E ^-

Multiple Choice

Which of the following reactions cannot occur?

A) n $\rightarrow$ p + e ^- + $\bar { v } _ { e }$
B) p + n $\rightarrow$ p + p + $\overline{p}$
C) $\mu$ ^- $\rightarrow$ 0 e ^- + $\bar { v } _ { e }$ + $v$
D) $\pi$ ^- $\rightarrow$$\mu$ ^- + $\nu$ _$\mu$
E) $\pi$ ⁺ $\rightarrow$$\mu$ ⁺ + $\bar { \nu } _ { \mu }$