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- W4220980879 abstract "The ability to reconstruct fine-resolution images in a high-count-rate environment is an ongoing challenge to the fields of nuclear security, medicine, and high energy physics. This study presents the characterization and performance of an image reconstruction algorithm and detector array in such an environment. The detector array is composed of quartz Cherenkov radiators and lutetium-yttrium oxyorthosilicate inorganic scintillators detector elements with light collection via silicon photomultipliers (SiPM). The reconstruction algorithm was evaluated using ANSI testing standard N42.46-2008 for imaging performance of active interrogation systems for national security applications; this included spatial resolution, wire detection, and penetration studies. The array was tested using a 6-MVp pulsed photon beam where test objects were translated through the detector field of view demonstrating a capability to resolve a 2.05-mm wire at a source standoff of 2.2 m, a horizontal spatial resolution of 3 mm, and a contrast sensitivity of 1.5%." @default.
- W4220980879 created "2022-04-03" @default.
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- W4220980879 date "2022-03-12" @default.
- W4220980879 modified "2023-10-18" @default.
- W4220980879 title "Assessment of image reconstruction algorithm coupled with fine-resolution array of Cherenkov detectors" @default.
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- W4220980879 doi "https://doi.org/10.1038/s41598-022-08158-4" @default.
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