本题目来源于试卷: Physics Unit32: Elementary Particles，类别为 Generic Physics
[单选题]
Suppose you were to t epao;gk+2 uil-(q-heej1k .axmc83v /ydyswe gn9dls-intsf1+8 :g-89n i sry to create a proton-antiproton pair by annihilation of a very high energy photon. The proton and the anti-proton have the same masses, but opposite charges. What energy photon would be require8i-s-fd9t:+y9 8sd/liwen1 gssgnny d?
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
| 
Post time 2024-1-22 02:15:01