Forensic signatures from laser isotope separation

被引：3

作者：

Burns, Henry S. ^{[1
]}

Biegalski, Steven R. ^{[1
]}

机构：

[1] Georgia Inst Technol, Nucl & Radiol Engn, 770 State St NW, Atlanta, GA 30313 USA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 12期

关键词：

Atomic vapor laser isotope separation; Uranium enrichment; Nonproliferation; Minor isotopes; Uranium isotope ratios; ENRICHMENT;

D O I：

10.1007/s10967-022-08516-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 U-234 assay. The decay of U-234 into Th-230 is used to estimate the time of last enrichment and increase the accuracy of feed assay calculations.

引用

页码：4947 / 4952

页数：6

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