Physics Unit32: Elementary Particles (id: 8e2d91da4)

本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 国际高中通用物理

[单选题]
Is the following decg vm)wqm e4ncn/ /p5 *rvu3g.h79fc qk yu 9ax.ye)jc6ay allowed? $\pi^{\circ} \rightarrow \mu^+ \;+\; \nu_{\mu}$

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

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