Field testing of a fast-neutron coincidence collar for fresh uranium fuel verification

Beaumont, Jonathan; Lee, Taehoon; Mayorov, Mikhail; Jeon, Jong Kyu; Bonino, A.; Grund, M.S.; Dutra, Marcos; Renha, Geraldo; Ahn, Seung Hoon; Kim, Ki‐Hyun; Park, Jung Suk; Yang, Gui Hyun

doi:10.1016/j.nima.2020.163682

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The Fast Neutron Collar1

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Cited by 4 publications

(1 citation statement)

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“…The Fast Neutron coincidence Collar (FNCL) [1], [16], [2] (Figure 1) has been introduced as an alternative for the UNCL measurement of low-enriched uranium fuel assemblies. The FNCL, available from CAEN Industries, replaces the 3 He detector assembly with 12 EJ-309 liquid scintillation neutron detectors.…”

Section: The Fast Neutron Collarmentioning

confidence: 99%

Operation of the Fast Neutron Coincidence Collar (FNCL) with a DD-Neutron Generator

Mcelroy, Jr.,

O'Brien,

Laminack

2023

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Section: The Fast Neutron Collarmentioning

confidence: 99%

Operation of the Fast Neutron Coincidence Collar (FNCL) with a DD-Neutron Generator

Mcelroy, Jr.,

O'Brien,

Laminack

2023

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Survey of prospective techniques for molten salt reactor feed monitoring

Skutnik,

Sobel,

Swinney

et al. 2024

Annals of Nuclear Energy

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Compact and transportable system for detecting lead-shielded highly enriched uranium using 252Cf rotation method with a water Cherenkov neutron detector

Tanabe,

Komeda,

Toh

et al. 2024

Sci Rep

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The global challenge of on-site detection of highly enriched uranium (HEU), a substance with considerable potential for unauthorized use in nuclear security, is a critical concern. Traditional passive nondestructive assay (NDA) techniques, such as gamma-ray spectroscopy with high-purity germanium detectors, face significant challenges in detecting HEU when it is shielded by heavy metals. Addressing this critical security need, we introduce an on-site detection method for lead-shielded HEU employing a transportable NDA system that utilizes the 252 Cf rotation method with a water Cherenkov neutron detector. This cost-effective NDA system is capable of detecting 4.17 g of 235 U within a 12 min measurement period using a 252 Cf source of 3.7 MBq. Integrating this system into border control measures can enhance the prevention of HEU proliferation significantly and offer robust deterrence against nuclear terrorism.

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Field testing of a fast-neutron coincidence collar for fresh uranium fuel verification

Cited by 4 publications

References 7 publications

Operation of the Fast Neutron Coincidence Collar (FNCL) with a DD-Neutron Generator

Operation of the Fast Neutron Coincidence Collar (FNCL) with a DD-Neutron Generator

Survey of prospective techniques for molten salt reactor feed monitoring

Compact and transportable system for detecting lead-shielded highly enriched uranium using 252Cf rotation method with a water Cherenkov neutron detector

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