本题目来源于试卷: Physics Unit32: Elementary Particles,类别为 Generic Physics
[单选题]
Identify the missing particle in t+t u2i5 zxgsl-he following reacs bgk)n41q5/ni u4 txsyf rr+2tion.
$\pi^- \;+\; p \rightarrow \pi^- \;+\; \pi^- \;+\; \pi^+ \;+\; \;\;\;\;\;\;$ ?
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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