What distinguishes Fermions form Bosons in Feynman diagrams?
Fermions are usually drawn with solid lines and bosons are usually drawn with dashed or wavy lines.
I was hoping for a more physical answer.
Could you rephrase the question? It isn't clear what you're asking since you specified 'in a Feynman Diagram'. I assume you know the difference in spins.
The fermions are physical type particles and the bosons are effect type particles.
An electron would be a fermion and a photon would be a boson.
Is this the "more physical answer" you were looking for?
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