Segment geometry optimization and prototype studies of a multi-coincidence GAGG solar neutrino detector
Hartsock, Brooks Solomey, Nickolas Folkerts, Jonathan Doty, Brian
Hartsock, Brooks
Solomey, Nickolas
Folkerts, Jonathan
Doty, Brian
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2025-05-17
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Keywords
GAGG,Gallium,Neutrino,Segmentation,Spatial coincidence,Time-delayed
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Citation
B. Hartsock, N. Solomey, J. Folkerts, B. Doty, Segment geometry optimization and prototype studies of a multi-coincidence GAGG solar neutrino detector, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 1078, 2025, 170597, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2025.170597.
Abstract
A GAGG detector capable of dissecting a multi-coincidence solar neutrino interaction on 71Ga is under development for potential space-based applications. We identify three distinct detection signatures when 71Ge∗ is produced, two of which are significantly delayed in time and could be detected within a single large GAGG volume. Further optimizations can be made by optically isolating smaller segments of GAGG to maximize the probability of a spatial separation between the prompt/delayed signals. We construct and test prototype GAGG detectors capable of a sub 7% energy resolution @ 137Cs and reliable detection of spatially-separated 57Co double-pulse decays. © 2025 Elsevier B.V.
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Elsevier B.V.
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Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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01689002