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]
Suppose you were to try to create a proton-antiproton pair by as9ur ugn3y + h7n.1wxznnihilatix xtjcq4c)l w9,i0; xyon of a very high energy photon. The proton and the anti-proton have the same masses, but opposite chajxw )l;9xyc, xiqc 40trges. 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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