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I Total energy and rest energy

  1. Dec 14, 2016 #1
    there is a question about a proton with energy of 26GeV and meets a proton at rest. and I am supposed to find the number of proton-antiproton pair are created?

    the solution is given by :

    Ea= square root of ( 2mc2 *Em )
    2Nmc2 = square root of ( 2mc2 *Em )
    where Ea is the total energy

    I dont get how the first formula became like this!
  2. jcsd
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