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Particle/Antiparticle annihilation

  1. Feb 11, 2013 #1
    p + \bar{p} \rightarrow W^+ + W^-

    I'm just going through various "Is this particle annihilation/decay possible" questions and came across this one...then started thinking...then started over-thinking. Is this possible? It seems because the W bosons are so much more massive than the protons it shouldn't be. But looking through various books and hyperphysics I'm not sure. I'm thinking it's due to conservation of mass/energy but not positive. Where is my thinking going astray?

  2. jcsd
  3. Feb 11, 2013 #2


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    Hint: Why do physicists build big particle accelerators?
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