本题目来源于试卷: Elementary Particles，类别为 IB物理学
[问答题]
By what interaction, a.3(q,qz mqop vthvz :)ngs v 6bdt;3/ x)a)roam(w;btgd why, does $\Sigma^0$ decay to $\Lambda^0 + \gamma$? What about $\Xi^-$ decaying to $\Lambda^0 + \pi^-$?
参考答案:
The decay times indicate that $\Sigma^+$ and $\Sigma^-$ will decay via the weak interaction (although not to $\Lambda^0$). The decay times also indicate that the $\Sigma^0$ will decay via the electromagnetic interaction (verified by the production of a gamma).
本题详细解析:
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