What are common nuclear fission products for Plutonium-239?

In nuclear fission, Uranium-235 can split into various combinations of lighter nuclei like Krypton, Barium, Iodine, Xenon etc.

I can’t find anything anywhere that will give me this information about Pu-239. Can it split into any combination of products, or is there a common reaction? Or are they unknown?

Please, if you can help, provide a reference source.


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4 Responses to “What are common nuclear fission products for Plutonium-239?”

  1. Martin M said:

    like uranium there are many different possible fission products, there are more likley and less likely products though. This graph compares Pu and U for thermal neutrons, so this does not include the yield for fast neutrons:


  2. Matthew S said:

    Previous poster has touched on it: yes, there are various combinations of potential fission products (similar to that of U-235 and U-233). These all depend on incident neutron energy and probabilities.

    However, U-233 and Pu-239 share some common (“main”) isotopes produced as a result of fission:
    Neodymium-130, Promethium-130 and Cerium-130 are some of the common ones. Check any Chart of the Nuclides and there should be some indication.

  3. Michael said:

    The fission product yield for U239 is similar to U235.

    I won’t regurgitate the info for you here, but “Fission Product Yield” was the search term you were looking for.

    The Fission Yield Curve is also called “The Dolly Parton curves”.

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