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B Α-decay and nuclear reaction

  1. May 3, 2017 #1

    Haynes Kwon

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    Is α-decay same as nuclear fission?
    What is the difference?
     
  2. jcsd
  3. May 3, 2017 #2

    mfb

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    Typically it is only called "fission" if the process creates two or three nuclei of similar size, but that is purely a naming convention. Cluster decays are somewhere between alpha decays and fission.
     
  4. May 3, 2017 #3

    Orodruin

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    No, fission is not alpha decay and alpha decay is generally not considered as fission althoughit technically is a splitting of a nucleus in several parts. Generally, fission usually refers to the splitting of a nucleus in such a way that there are at least two products that carry a significant fraction of the original mass.
     
  5. May 4, 2017 #4

    Haynes Kwon

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    Thank you all. May I ask one more?
    I don't see why this is not nuclear fusion.

    ace;P&space;}\quad&space;+\quad&space;_{&space;0&space;}^{&space;1&space;}{&space;n&space;}.gif
     
    Last edited: May 4, 2017
  6. May 4, 2017 #5

    mfb

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    Same thing: Just a matter of convention what is called fusion and what is not. I guess you could call that fusion, although ##(\alpha, n)## would be a more conventional notation for the reaction.
     
  7. May 4, 2017 #6

    Haynes Kwon

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    Thank you very much.
     
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