pka distributions: contributions from transmutation products and from radioactive decay

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ID: 157692
2016
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Abstract
The neutrons generated in fusion plasmas interact with materials via nuclear reactions. The resulting transmutations and atomic displacements have life-limiting consequences for fusion reactor components. A detailed understanding of the production, evolution and material consequences of the damage created by cascades of atomic displacements requires, as a vital primary input, a complete description of the energy-spectrum of initial (prompt) atomic displacement events (the primary knock on atoms or PKAs) produced by direct neutron nuclear interactions. There is also the possibility that the radionuclides produced under transmutation will create further PKAs as they decay, and so the rate of these must also be quantified. This paper presents the latest results from the analysis of PKA spectra under neutron irradiation, focussing particularly on the variation in PKA distributions due to changes in composition under transmutation, but also on the PKA contributions from radioactive decay of materials that become activated under irradiation.
Reference Key
gilbert2016nuclearpka Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;M.R. Gilbert;J.-Ch. Sublet
Journal american business law journal
Year 2016
DOI
10.1016/j.nme.2016.02.006
URL
http://www.sciencedirect.com/science/article/pii/S2352179115300582
Keywords
atomic power radioactive-decay recoilsnuclear engineering

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