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Neutrino Scattering

  1. Jul 7, 2011 #1
    Hey...i'm studying the reaction neutrino+antineutrino -> W(+) + W(-)
    but i dont understand which are the relevant f. diagrams at first order (semiclassic approximation). Does anyone know which are???

    thank you
     
  2. jcsd
  3. Jul 7, 2011 #2

    Bill_K

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    Science Advisor

    At tree level I'd say there's just one. In the crossed channel: νe + W- → e- → νe + W-
     
  4. Jul 7, 2011 #3
    Shouldn't there also be a contribution from an s-channel Z?
     
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