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4 October 2023 Large volume bismuth-loaded plastics for portal monitors
Sean P. O'Neal, Saphon Hok, Nerine Cherepy, Stephen Payne, Charles Hurlbut
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Proceedings Volume PC12696, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXV; PC126960C (2023) https://doi.org/10.1117/12.2682491
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Plastic scintillators incorporating up to 8 weight percent element bismuth are being developed as drop-in replacements for current portal monitor plastics. They use the same fluors with fast decay times (<10 ns) while offering enhanced sensitivity with more than 8x increased counts from Am-241 for the same detector volume. In this work, we report on the largest samples produced to date with volumes over 135 in3, and compare their performance to currently fielded plastic scintillators.
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Sean P. O'Neal, Saphon Hok, Nerine Cherepy, Stephen Payne, and Charles Hurlbut "Large volume bismuth-loaded plastics for portal monitors", Proc. SPIE PC12696, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXV, PC126960C (4 October 2023); https://doi.org/10.1117/12.2682491
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KEYWORDS
Plastics
Scintillators
Bismuth
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