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Feynman Diagrams

  1. Mar 6, 2012 #1
    1. The problem statement, all variables and given/known data
    Draw the Feynman diagram vertex corresponding to the interaction Lint = eAμJμ,
    where Aμ is the electromagnetic field and e is the coupling constant. Draw all the Feynman
    diagrams in quantum electrodynamics to O(e2) describing the processes:
    (i) e+e- ----> e+e-,
    (ii) e+e- ----> μ+μ-
    (iii)γ e- ------> γ e-


    2. Relevant equations


    Any ideas on how i should approach this question?
     
  2. jcsd
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