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Within what time interval can we create and destroy an electron-positron pair without

  1. Nov 15, 2009 #1
    The rest energy of an electron is 0.511 MeV = 8.2 x10-14 J. A positron is an electron with positive charge and the same rest energy. Within what time interval can we create and destroy an electron-positron pair without worrying about the conservation of energy? h = 6.626 × 10-34 J s.
     
  2. jcsd
  3. Nov 16, 2009 #2

    tiny-tim

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    Hi S1CkFiSh! :wink:

    Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
     
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