Abstract
This work introduces an analysis of the Atomic Vapor Laser Isotope Separation (AVLIS) process to assist regulatory agencies in detecting and inspecting uranium AVLIS facilities. Operating parameters of a theoretical AVLIS device are calculated based on product and tails assays. Further analysis shows a direct relationship between feed assays of minor isotopes and product assays, allowing inspectors to confirm the method of a sample’s enrichment and identify the feedstock origin due to natural variations in 234U assay. The decay of 234U into 230Th is used to estimate the time of last enrichment and increase the accuracy of feed assay calculations.
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