Physics Unit32: Elementary Particles (id: 206bc84a3)

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本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 Generic Physics

[单选题]
Identify the missing p,vi/if4ha l wz .v,;ya3(t fqpc)2p pg sx 9ikhei6+t(article in the following reaction.
$\pi^- \;+\; p \rightarrow \pi^- \;+\; \pi^- \;+\; \pi^+ \;+\; \;\;\;\;\;\;$ ?

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


参考答案:  A


本题详细解析: 暂无