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Advanced Physics Homework Help
Understanding e+e- --> W+W- Process Diagrams
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[QUOTE="vela, post: 5879937, member: 221963"] Q1: You need the electrons going in and the Ws coming out. You can only do that with the s-channel with a photon or Z. To have the t-channel, you'd need to turn the diagram sideways, which would correspond to, for example, an electron and W+ interacting to produce the positron and W-. Q2: There are only certain allowed vertices. You can't have an electron, W, and photon at one vertex. That would violate conservation of lepton number, for one thing. Do you have a textbook? There's probably a page showing diagrams of the allowed vertices. [/QUOTE]
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Understanding e+e- --> W+W- Process Diagrams
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