Does it make sense to say that the processes represented by Feynman diagrams and path integrals (like beta decay) are “real?” If you want to say in what sense they are or are not real, please respond!
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ahh I see what you’re saying.. and that’s a good point! The fact that the momentum distribution is what we would expect from an interacting QFT .. You’re right, but I more so think that the sum over all interactions (the blob) is the ‘real’ physical thing
*something* certainly non classical happens “it is I know not what” -John Locke
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