使用整体无机 CeBr3 进行伽马射线测量的多通道 SiPM 测试读出系统

Journal of Physics: Conference Series Pub Date : 2024-07-01 DOI:10.1088/1742-6596/2794/1/012006

Veronika Asova, Galin Bistrev, V. Buchakchiev, V. Kozhuharov

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摘要

伽马量子的能量分辨率和探测效率是电离辐射探测器的基本特性。在这项研究中，为了研究 CeBr3 晶体的性能，将一个基于 SiPM 的光电探测器与一个整体式无机 CeBr3 晶体耦合，并将其暴露在伽马射线下。测量使用了三种不同的放射源--137Cs、22Na 和 60Co。对于每种放射源，都使用 SiPM 偏置电压的几个不同值进行测量。此外，还使用了两种不同厚度的 CeBr3 晶体，以研究晶体尺寸对探测器探测能力的影响。本文对数据进行了初步分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multichannel SiPM test readout system for gamma ray measurements with monolithic inorganic CeBr3

Energy resolution and the detection eﬃciency for gamma quanta are fundamental properties in the construction of detectors for ionizing radiation. In this study, a SiPM-based photodetector coupled to a monolithic inorganic CeBr3 crystal is exposed to gamma rays in order to study the performance of the CeBr3 crystal. Measurements are made using three different radioactive sources - 137Cs, 22Na and 60Co. For each source, the measurements are made using a few different values for the Bias voltage of the SiPM. Furthermore, two CeBr3 crystals with different thicknesses are used in order to study how detector eﬃciency is affected by crystal dimensions. A preliminary analysis of the data is presented.

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Journal of Physics: Conference Series

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