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Conceptual question - radioactive nucleus stability

  1. Aug 26, 2011 #1
    1. The problem statement, all variables and given/known data

    A [itex]^{238}_{92} U[/itex] nucleus can catch a neutron with small kinetical energy. Then we'll get a [itex]^{239}_{92} U[/itex] nucleus. This nucleus has too many neutrons compared to the number of protons to be stable. How can the nucleus achieve a better balance between neutrons and protons without fissioning?


    2. Relevant equations
    N/A
    3. The attempt at a solution

    send out [itex]\alpha[/itex]-particle(s)? That's not considered fission, right?
     
  2. jcsd
  3. Aug 26, 2011 #2

    kuruman

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