本题目来源于试卷: Elementary Particles，类别为 IB物理学
[问答题]
Which of the particl;u e.pg31j.pmi qe t7xe decays in vrw9qxwk b0ewv/8 di1xfg z w1d/ 6l57Table 32-4 occur via the electromagnetic interacti9d k7zf wlx /i1v /x 8wved1r6qwgw05bon?
参考答案:
Based on lifetimes shown in Table 32-4, the particle decays that occur via the electromagnetic interaction are $J/\psi\ (3097)$ and $\Upsilon\ (9460)$.
本题详细解析:
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