In a process called pair production, an energetic

gamma ray is converted into an electron and

a positron. It is not possible for a gamma ray to be

converted into two electrons because

(1) charge must be conserved

(2) momentum must be conserved

(3) mass-energy must be conserved

(4) baryon number must be conserved

Question

Physics

Mohammad Fleming

9 November, 06:48

In a process called pair production, an energetic

gamma ray is converted into an electron and

a positron. It is not possible for a gamma ray to be

converted into two electrons because

(1) charge must be conserved

(2) momentum must be conserved

(3) mass-energy must be conserved

(4) baryon number must be conserved

+5

Answers (1)

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Beasley · Answer 1

It is not possible for a gamma ray to be converted into two electrons because " (3) mass-energy must be conserved" among other reasons having to do with time.