Physics Unit32: Elementary Particles (id: 0a38b4739)

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

[单选题]
Is the following decay allowklc.1-oi;cu 2+dfrm pj+ hh6ael406vry v8oz bnx1nw 5q6ozw1d? $\pi^{\circ} \rightarrow \mu^+ \;+\; \nu_{\mu}$

A. yes
B. No, because charge is not conserved.
C. No, because mass is created.
D. No, because lepton number is not conserved.


参考答案:  B


本题详细解析: 暂无