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Quark stability

  1. Nov 19, 2011 #1
    Are particles that are not stable (for example top, bottom quarks; W and Z) when
    produced in particle colliders possibly stable at very high energies? Are third generation particles stable at high energies?
    Thanks, Mark
  2. jcsd
  3. Nov 19, 2011 #2


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    No, unstable particles will eventually decay no matter what their energy. Due to relativistic time dilation, a higher energy particle will tend to have a longer lifetime as measured in the laboratory frame, but will nevertheless eventually decay. The measured lifetimes reported in the literature refer that in the rest frame of the particle.
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