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Particle - Feynman Diagram

  1. Nov 30, 2008 #1
    1. The problem statement, all variables and given/known data


    Neutral pion decays into 2 photons which then decay into electron-positron pairs.

    What would the feynman diagram look like?

  2. jcsd
  3. Nov 30, 2008 #2


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    you already asked this question.
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