Neutron resonance analysis for nuclear safeguards and security applications

被引：10

作者：

Paradela, Carlos ^{[1
]}

Heyse, Jan ^{[1
]}

Kopecky, Stefan ^{[1
]}

Schillebeeckx, Peter ^{[1
]}

Harada, Hideo ^{[2
]}

Kitatani, Fumito ^{[2
]}

Koizumi, Mitsuo ^{[2
]}

Tsuchiya, Harufumi ^{[2
]}

机构：

[1] JRC Geel, Stand Nucl Safety Secur & Safegurads Unit, EC, Retieseweg 111, B-2440 Geel, Belgium

[2] Japan Atom Energy Agcy, Naka Gu, Ibaraki 3191195, Japan

来源：

ND 2016: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY | 2017年 / 146卷

关键词：

TRANSMISSION;

D O I：

10.1051/epjconf/201714609002

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Neutron-induced reactions can be used to study the properties of nuclear materials of interest in the fields of nuclear safeguards and security. The elemental and isotopic composition of these materials can be determined by using the presence of resonance structures. This idea is the basis of two non-destructive analysis techniques which have been developed at the GELINA neutron time-of-flight facility at JRC-Geel: Neutron Resonance Capture Analysis (NRCA) and Neutron Resonance Transmission Analysis (NRTA). A combination of NRTA and NRCA has been proposed for the characterisation of particle-like debris of melted fuel formed in severe nuclear accidents. In this work, we present a quantitative validation of the NRTA technique which was used to determine the areal densities of Pu enriched reference samples used for safeguards applications. Less than 2% bias has been obtained for the fissile isotopes, with well-known total cross sections.

引用

页数：4

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