Nuclear Archaeology to Distinguish Plutonium and Tritium Production Modes in Heavy-Water Reactors 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Science & global security
年/卷/期
2018 / 26 / 1/3
页码
70-90
ISSN号
0892-9882
作者单位
Program on Science and Global Security, Princeton University, Princeton, NJ, USA;Program on Science and Global Security, Princeton University, Princeton, NJ, USA,AICES Graduate School and Physics Institute Ⅲ B RWTH Aachen University, Aachen, Germany;Program on Science and Global Security, Princeton University, Princeton, NJ, USA;
作者
Julien de Troullioud de Lanversin;Malte Goettsche;Alexander Glaser;
摘要
Several nuclear archaeology techniques have been proposed to determine historic plutonium production in dedicated nuclear reactors. These methods rely on sampling materials from the reactor core, or specially designed monitor tags, to examine suited isotopic ratios and deduce the amount of plutonium produced. However, some production reactors are capable of producing isotopes other than plutonium, such as tritium. If a reactor was declared to produce tritium, it would be crucial to confirm that it was in fact producing tritium, and not plutonium. In this paper, we describe how isotopic ratios discrepancies could be used to distinguish between plutonium and tritium production modes. We present results obtained from the simulation of reactor lattices inspired by Savannah River Site heavy-water production reactors and show that elements such as hafnium and tungsten can detect undeclared production of plutonium.
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