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Recoil nuclei kinetic energy

  1. Sep 29, 2010 #1
    a nuclear reaction Q value is the difference in kinetic energy of the final particle and the initial particle. how we can determine the kinetic energy only for the recoil nuclei if the kinetic energy of other particles are not given?
  2. jcsd
  3. Sep 29, 2010 #2


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    The Q value is the difference in rest (mass) energies of the final particle(s) and initial particle(s), and it does not include the initial kinetic energy of the particles. The total energy must be considered if one wishes to account for initial kinetic energies, and one would need to consider the momenta.
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