A spectroscopic and imaging gamma-detector prototype towards dose monitoring in BNCT

Caracciolo, Anita; Vita, Davide Di; Ferri, Tommaso; Carminati, Marco; Protti, Nicoletta; Altieri, S.; Camera, F.; Fiorini, C.

doi:10.1016/j.nima.2023.168019

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2024

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“…It could create annihilation photons at 511 keV by pair productions at the same time. Therefore, to resolve the boron photopeak at 478 keV, a detector with good energy resolution was needed [49]. Thus, the BeNEdiCTE module was developed based on a cylindrical 2-inch LaBr 3 scintillator crystal with high energy resolution (<3% at 662 keV) [50,51].…”

Section: Introductionmentioning

confidence: 99%

Compact pixelated scintillator detector investigation for gamma ray detection

Wang,

Wu,

et al. 2024

Eng. Res. Express

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A scintillator is a luminescent material that converts high-energy photons into visible light and is widely used in medical imaging. The energy resolution, detection efficiency and position measurement of pixelated scintillators coupled to a SiPM were investigated via two kinds of detectors. The goal of this manuscript was to accurately measure the gamma source position through spectrum analysis in selection of energy windows for characteristic gamma lines. In this manuscript, scintillators were effectively manufactured and encapsulated before testing, especially for the easily deliquescent LaBr3. The compact front-end electronic prototype modules with 2×2 array SiPMs in stacked form and 1×10 array SiPMs in parallel form were developed for gamma ray energy resolution and efficiency measurements with a radioactive source of 22Na, which had two energy gamma lines at 511 keV and 1274 keV.

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Section: Introductionmentioning

confidence: 99%