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Charge particle emission (n, p)
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Slow neutron reactions
  • These are reactions where a neutron is absorbed and a charged particle emitted.
  • Examples include (n, a) and (n, p).

Fast neutron reactions

  • More common than slow neutron reactions.
  • Cross sections are small and there is generally little effect on reactor operation.
  • However, there can be quite significant amounts of radioactive activation products produced by (n, p) and (n, a) reactions in reactor construction materials, which ultimately affect waste inventories and hence the cost of decommissioning.
3He (n, p) 3H     Qa = 5327 barns

10B (n, a) 7Li

 

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