Pair production

  • Thread starter Ratzinger
  • Start date
  • #1
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Main Question or Discussion Point

Is there a short answer why pair production can not happen in empty space, but that photons must interact with an external field?

thanks and a nice weekend

oh, just saw someone asked the same question in the nuclei section today and answers already there
 
Last edited:

Answers and Replies

  • #2
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Listen, Go and look for "pair creation" in "Nuclei and particles". The answer is given there.
 

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