Title: Technique of neutron resonance transmission analysis for active neutron NDA
Authors: TSUCHIYA H.KOIZUMI M.KITATANI F.KURETA M.HARADA H.SEYA M.HEYSE JANKOPECKY StefanMONDELAERS WillyPARADELA DOBARRO CARLOSSCHILLEBEECKX Peter
Publisher: ESARDA
Publication Year: 2015
JRC N°: JRC96896
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC96896
Type: Articles in periodicals and books
Abstract: Neutron Resonance Transmission Analysis (NRTA) is a Non-Destructive Analysis (NDA) technique that relies on the use of resonance structures in neutron induced reaction cross sections. An active NDA system based on NRTA is under development to identify and quantify Special Nuclear Materials (SNM) and Minor Actinides (MA) in a wide variety of nuclear materials, including next generation fuel and highly radioactive materials. The development profits from the knowledge and experience gained in the development of Neutron Resonance Densitometry (NRD) as a NDA method to characterize particle-like debris from melted fuel. In this presentation, the basic principle of NRTA is explained. Results obtained for a NRD prototype device are used to estimate typical counting statistics uncertainties. In addition, the impact of the width of the pulsed charged particle beam on the experimental transmission is verified by measurements at the KURRI time-of-flight facility.
JRC Directorate:Health, Consumers and Reference Materials

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