本题目来源于试卷: Physics Unit32: Elementary Particles,类别为 通用国际物理
[单选题]
Suppose you were to try to crea damo)*cg )/0(hc .czqyf8q rbte a proton-antiproton pair by annihilation of i8vkq 1 nz3w8-mgurd jl6m7d7 a very high energy photon. The proton and the anti-proton have the same masses uqr61w7zg7-3vljn k8dm8mdi , 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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