Physics Unit32: Elementary Particles (id: 26da1548a)

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

[单选题]
When a positronium atoxo5l2 +n3uz32lcvt vc m (elecl4(wbf /k q;lytron + positron) decays, it emits two photons. What are tyb(wl/f k q;l4he energies of the photons?

A. 0.511 MeV and 1.022 MeV
B. 0.225 MeV and 0.285 MeV
C. 0.256 MeV and 0.256 MeV
D. 0.511 MeV and 0.511 MeV


参考答案:  D


本题详细解析: 暂无