Neutron resonance radiography and application to nuclear fuel materials

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Abstract

Neutron resonance radiography, a technique capable of spatially resolving isotopic/elemental information, has been successfully implemented at SNS using the SNAP beamline. In this work, we were able to visually identify metallic foils made of different elements. Additionally, unirradiated nuclear fuel material ( 238 U), has been successfully measured. It is noticed that the amount of the active material, which has a resonance reaction with neutrons at certain energies, is very crucial to provide enough contrast in these measurements. Therefore, in order to provide an idea of how applicable this technique is to a specific sample, an open-source Python library called ImagingReso, 26 has been developed to simulate a resonance spectrum based on sample compositions.

Original languageEnglish
Pages (from-to)547-550
Number of pages4
JournalTransactions of the American Nuclear Society
Volume119
StatePublished - 2018
Event2018 Transactions of the American Nuclear Society, ANS 2018 - Orlando, United States
Duration: Nov 11 2018Nov 15 2018

Funding

This work is sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle LLC for the US Department of Energy. This research used resources at the Spallation Neutron Source, a DOE Office of Science User Facility operated by Oak Ridge National Laboratory. Notice: This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

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