Physics Unit32: Elementary Particles (id: 74327943f)

本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 通用国际物理

[单选题]
Identify the missinglb5feg85 . w9ez kruiz jx i0/1(3lyrx31br(/z ws7vev zc u r2.+gpps particle 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

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