本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 Generic Physics
[单选题]
Suppose you were to try to creatm bi*00dqq7wd e a proton-antv dmv )d7ww6-mtq/e 2oiproton pair by annihilation of a very high energy photon. The proton and the antiww qm7ed vo/vtm62)- d-proton have the same masses, but opposite charges. What energy photon would be required?
A. $1.022 \; MeV$
B. $1880 \; MeV$
C. $940 \; MeV$
D. $223 \; MeV$
参考答案: B
本题详细解析:
暂无
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Post time 2024-1-22 02:15:01