Behaviour of fission gases in an irradiated nuclear fuel under α external irradiation

The self-α-irradiation could influence the behaviour of nuclear spent fuel in storage conditions. To evaluate some of these effects, a UO 2 fuel, irradiated in a PWR, was irradiated with a helium beam at different doses. PIXE measurements of xenon and neodymium concentration on helium irradiated and...

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Bibliographic Details
Published in:Journal of nuclear materials 2003-09, Vol.321 (2), p.324-330
Main Authors: Desgranges, L., Ripert, M., Piron, J.P., Kodja, H., Gallier, J.P.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Pollution
Radioactive wastes
Wastes
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Summary:The self-α-irradiation could influence the behaviour of nuclear spent fuel in storage conditions. To evaluate some of these effects, a UO 2 fuel, irradiated in a PWR, was irradiated with a helium beam at different doses. PIXE measurements of xenon and neodymium concentration on helium irradiated and non-irradiated areas showed that no major difference in the distribution of these fission products occurred due to helium irradiation. From these results, it is concluded that helium irradiation associated with α self-irradiation does not induce significant modification of gaseous fission products in storage conditions.
ISSN:0022-3115
1873-4820
DOI:10.1016/S0022-3115(03)00304-0