Nuclear Archaeology for Gaseous Diffusion Plants

k25-2 The field of nuclear archaeology aims to develop the methods and tools to verify past production of fissile materials for military purposes, which may become necessary to support the verification of future arms control agreements that envision deeper cuts in the nuclear arsenals. So far, techniques have been successfully demonstrated for reconstructing historic plutonium production, especially in graphite-moderated reactors, but nuclear archaeology for uranium enrichment has proven much more challenging.

During the 2013 Annual INMM meeting, Sebastien Philippe and Alex Glaser presented a paper on nuclear archaeology for gaseous diffusion enrichment plant (GDEP). Gaseous diffusion was historically the most widely used technology for military production of highly enriched uranium. We propose a new approach to verify the production history of GDEP based on a mathematical model of a reference plant cascade and a nuclear forensic analysis of solid uranium particles deposited over time in the tubular separation membranes of the stage diffusers. Have a look (paper, slides).

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