I have a question about Feynman Diagrams:(adsbygoogle = window.adsbygoogle || []).push({});

let's say we have a process: up antidown -> W+ -> up antidown...

the first vertex is like V_CKM G PL ( mixing, gamma, projector)

the second is the same..only with the complex conjugate CKM matrix...

but why?...

If I compute the M* I have to bar the vertices..and there I got the same vertex..with the same flow..but there I would change PL to PR and interchange PL and Gamma..why is that the case?

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# Electro weak vertices

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