Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Spontaneous fission

  1. Feb 15, 2008 #1
    Could someone please explain why relatively light nuclei do not undergo spontaneous fission? Thanks.
  2. jcsd
  3. Feb 15, 2008 #2


    User Avatar

    The radius of the nucleus has to be large enough so that a slight perturbation will make the
    Coulomb repulsion overcome the nuclear attraction.
  4. Feb 15, 2008 #3

    Vanadium 50

    User Avatar
    Staff Emeritus
    Science Advisor
    Education Advisor
    2017 Award

    But some do. 8Be, for example.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook