may someone explain how to do this problem? 59) When a positronium atom decays, it emits...

Question

Question

59) When a positronium atom decays, it emits two photons. What are the energies of the photons? A) 1.02 GeV and 938. MeV B) 0

may someone explain how to do this problem?

Answer 1

Answer #1

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Answer 2

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