Physics Unit32: Elementary Particles (id: d21cea574)

[单选题]
Identify the missingtcf)i g-2) wkq particle in the following react4:q tm 2y:dy6 aspulu*ion. $\pi^+ \rightarrow \mu^+ \;+\; \;\;\;\;\;\;$ ?

A. $p$
B. $n$
C. $e$
D. $\nu_{\mu}$


参考答案:  D


本题详细解析: 暂无