Determination of 235U isotope abundance by measuring selected pairs of fission products

被引：6
|
作者：
Qiao Yahua [1 ]
Wu Jizong [1 ]
Yang Yi [1 ]
Zhang Ming [1 ]
Liu Shilong [1 ]
机构：
[1] China Inst Atom Energy, Beijing, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2012年 / 665卷
关键词：
Neutron induced fission; Uranium isotope abundance; Fission product yield; Decay gamma lines; ENERGY;
D O I：
10.1016/j.nima.2011.10.020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new method to determine experimentally the isotopic abundance of uranium has been developed by measuring the ratios of selected fission product pairs. The relationship between the U-235 abundance and the ratios of 14 MeV neutron-induced fission products, which are N(Sr-92(38))/N(Ru-105(44)) and N(Sr-92(38))/N(I-135(53)), have been obtained. The results of 4 test samples show that the relative deviations between the measured and the reference U-235 abundances are less than +/- 3%. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：70 / 73
页数：4
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