Which of the Following Reactions Cannot Occur?
A) $\mathrm{n} \rightarrow \mathrm{p}+\mathrm{e}^{-}+\bar{v}_{e}$

Multiple Choice

Which of the following reactions cannot occur?

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