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What are the properties of the Feynman diagrams in Fermi's effective interaction theory and how can one draw a Feynman diagram in this theory in relation to the Feynman diagram in the standard model and the reaction equation?

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    $\begingroup$ This is, at present, a really broad question. Can you be more specific on what you're looking for in terms of "properties"? Also, in general there's not a one-to-one correspondence between Feynman diagrams and reaction equations, with there always being an infinite number of Feynman diagrams for every reaction equation. $\endgroup$ – probably_someone Jul 11 '18 at 15:40
  • $\begingroup$ Are you asking how to perform matching (to find an effective action) in reverse? That is, the diagrams in the full theory that a lower order effective diagram consists of? $\endgroup$ – JamalS Jul 11 '18 at 17:28
  • $\begingroup$ Are you asking 'what feynman rules has the fermi's theory? How can I make a prediction on base of it? Why it's not renormalizable?' $\endgroup$ – Iliado Odiseo Jul 11 '18 at 17:36

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