Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector
Abstract Energy-resolved fast-neutron radiography is a powerful non-destructive technique that can be used to remotely measure the quantity and distribution of elements and isotopes in a sample. This is done by comparing the energy-dependent neutron transmission of a sample with the known cross-sect...
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| Format: | Article |
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Nature Portfolio
2024-12-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-024-81412-z |
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| author | Alexander Wolfertz Adrian Losko Alexander M. Long Sophia Brodish Aaron E. Craft Anton Khaplanov Sven C. Vogel Ronald O. Nelson Stephen A. Wender Anton Tremsin Tsviki Y. Hirsh Tim T. Jäger Manuel Morgano Patrick Feng |
| author_facet | Alexander Wolfertz Adrian Losko Alexander M. Long Sophia Brodish Aaron E. Craft Anton Khaplanov Sven C. Vogel Ronald O. Nelson Stephen A. Wender Anton Tremsin Tsviki Y. Hirsh Tim T. Jäger Manuel Morgano Patrick Feng |
| author_sort | Alexander Wolfertz |
| collection | DOAJ |
| description | Abstract Energy-resolved fast-neutron radiography is a powerful non-destructive technique that can be used to remotely measure the quantity and distribution of elements and isotopes in a sample. This is done by comparing the energy-dependent neutron transmission of a sample with the known cross-sections of individual isotopes. The reconstruction of the composition is possible due to the unique features (e.g. resonances) in the cross-sections of individual isotopes. At short-pulsed ( $${\lesssim }$$ 1 ns) neutron sources, such information is accessible via time-of-flight neutron imaging in principle, but requires a detector with nanosecond temporal resolution. Conventional neutron detectors can meet this requirement only by heavily compromising spatial resolution or efficiency. Here, we present a unique approach on fast neutron resonance radiography using a scintillator-based event-mode imaging detector at a short-pulsed neutron source, including first results on spatially mapped resonance profiles using MeV neutrons. The event mode approach applied in the presented detector allows recording of individual neutron interactions with nanosecond precision in time and sub-mm resolution in space. As a result, the entire available neutron energy spectrum can be measured for each pulse. At the same time, the use of a thick scintillator screen and lenses to focus the produced light results in a highly flexible field of view and a high interaction probability in the sensitive volume of the detector. |
| format | Article |
| id | doaj-art-45b841479dc4406f827fb5d5fc20858e |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-45b841479dc4406f827fb5d5fc20858e2024-12-22T12:26:07ZengNature PortfolioScientific Reports2045-23222024-12-0114111310.1038/s41598-024-81412-zEnergy-resolved fast-neutron radiography using an event-mode neutron imaging detectorAlexander Wolfertz0Adrian Losko1Alexander M. Long2Sophia Brodish3Aaron E. Craft4Anton Khaplanov5Sven C. Vogel6Ronald O. Nelson7Stephen A. Wender8Anton Tremsin9Tsviki Y. Hirsh10Tim T. Jäger11Manuel Morgano12Patrick Feng13Forschungs-Neutronenquelle Heinz Maier-LeibnitzForschungs-Neutronenquelle Heinz Maier-LeibnitzLos Alamos National LaboratoryIdaho National LaboratoryIdaho National LaboratoryOak Ridge National LaboratoryLos Alamos National LaboratoryLos Alamos National LaboratoryLos Alamos National LaboratoryUniversity of CaliforniaSoreq Nuclear Research CenterLos Alamos National LaboratoryEuropean Spallation Source ERICSandia National LaboratoriesAbstract Energy-resolved fast-neutron radiography is a powerful non-destructive technique that can be used to remotely measure the quantity and distribution of elements and isotopes in a sample. This is done by comparing the energy-dependent neutron transmission of a sample with the known cross-sections of individual isotopes. The reconstruction of the composition is possible due to the unique features (e.g. resonances) in the cross-sections of individual isotopes. At short-pulsed ( $${\lesssim }$$ 1 ns) neutron sources, such information is accessible via time-of-flight neutron imaging in principle, but requires a detector with nanosecond temporal resolution. Conventional neutron detectors can meet this requirement only by heavily compromising spatial resolution or efficiency. Here, we present a unique approach on fast neutron resonance radiography using a scintillator-based event-mode imaging detector at a short-pulsed neutron source, including first results on spatially mapped resonance profiles using MeV neutrons. The event mode approach applied in the presented detector allows recording of individual neutron interactions with nanosecond precision in time and sub-mm resolution in space. As a result, the entire available neutron energy spectrum can be measured for each pulse. At the same time, the use of a thick scintillator screen and lenses to focus the produced light results in a highly flexible field of view and a high interaction probability in the sensitive volume of the detector.https://doi.org/10.1038/s41598-024-81412-z |
| spellingShingle | Alexander Wolfertz Adrian Losko Alexander M. Long Sophia Brodish Aaron E. Craft Anton Khaplanov Sven C. Vogel Ronald O. Nelson Stephen A. Wender Anton Tremsin Tsviki Y. Hirsh Tim T. Jäger Manuel Morgano Patrick Feng Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector Scientific Reports |
| title | Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector |
| title_full | Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector |
| title_fullStr | Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector |
| title_full_unstemmed | Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector |
| title_short | Energy-resolved fast-neutron radiography using an event-mode neutron imaging detector |
| title_sort | energy resolved fast neutron radiography using an event mode neutron imaging detector |
| url | https://doi.org/10.1038/s41598-024-81412-z |
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