Multiple Choice
A neutral η0 (having mass 0.642 u) that is at rest decays into two gamma ray photons.What is the energy in MeV of each photon? (1 u = 931.5 MeV/c2)
A) 299 MeV
B) 597 MeV
C) 1190 MeV
D) 199 MeV
E) 149 MeV
Correct Answer:
Verified
Correct Answer:
Verified
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