Age-dating of highly enriched Uranium by γ-spectrometry

被引：19

作者：

Nguyen, CT ^{[1
]}

机构：

[1] Hungarian Acad Sci, Inst Isotopes, H-1525 Budapest, Hungary

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2005年 / 229卷 / 01期

关键词：

uranium age dating; low background gamma-spectrometry; nuclear forensics; illicit trafficking of nuclear materials; fissile material cut-off treaty;

D O I：

10.1016/j.nimb.2004.10.089

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A non-destructive, gamma-spectrometric method for uranium age-dating is reported for the first time. The method relies on measuring the daughter/parent activity ratio Bi-214/U-234 by low-background, high-resolution gamma-spectrometry and does not require the use of reference samples of known ages. The initial methodology was derived during a "Round-Robin" exercise, in which the properties of a HEU material relevant to nuclear forensics were assessed by several laboratories. The Uranium-age obtained by this gamma-spectrometric method is in agreement with the results reported by other participating laboratories, which used mass-spectrometry for age dating. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：103 / 110

页数：8

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