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W+ W- collision

  1. Jul 20, 2011 #1
    I was just wondering, what would happen when a W+ boson and a W- boson collide?
  2. jcsd
  3. Jul 20, 2011 #2


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    Staff: Mentor

    Since they are antiparticles of each other they would annihilate.
  4. Jul 20, 2011 #3
    I thought they form a Z particle. Since the W are themselves affected of the weak force.
  5. Jul 20, 2011 #4


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    Staff: Mentor

    To the best of my knowledge they would annihilate each other. However, I have not looked into details, so it might be that the W and Z bosons are different somehow. I have simply never seen anything that said that.
  6. Jul 20, 2011 #5


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    Gold Member

    Take a look at

    The lagrangian terms with a W+ W- and something else are the simplest vertices involving that collision.

    I see W+ W- >>>>
    AA ZZ AZ
    Higgs terms, etc

    Where A = photon, Z = Z boson and WW = another W+ W- pair.
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