Study on SiPM performance at low temperatures between-60 °C and-20 °C

被引：2

作者：

Zhong, C. ^{[1
]}

Luo, F. J. ^{[1
]}

Zheng, B. ^{[1
]}

Wang, X. D. ^{[1
]}

Bu, M. Y. ^{[1
]}

Zou, J. ^{[1
]}

Deng, M. N. ^{[1
]}

机构：

[1] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China

来源：

JOURNAL OF INSTRUMENTATION | 2022年 / 17卷 / 11期

关键词：

Cryogenic detectors; Photon detectors for UV; visible and IR photons (solid-state) (PIN diodes; APDs; Si-PMTs; G-APDs; CCDs; EBCCDs; EMCCDs; CMOS imagers; etc); visible and IR photons (vacuum) (photomultipliers; HPDs; others); SILICON PHOTOMULTIPLIERS; CROSS-TALK;

D O I：

10.1088/1748-0221/17/11/T11003

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Radon is the main background source of dark matter and neutrino experiments. Radon concentration (mBq/m(3)) measurement by liquid scintillation detector is a highly sensitive method at low temperatures using silicon photomultipliers (SiPMs) arrays. The SiPM performance characteristics are closely related to the lower detection limit of the detector. In this study, we built an automatic and accurate low-temperature measurement system to study the single photoelectron (SPE) spectrum, SPE resolution, optical crosstalk, and after-pulse of the SiPM at different temperatures. As a result, we obtained the variation trend of the SiPM parameters at different temperatures, and the SiPM optimal working conditions were obtained, which can improve the detector's sensitivity.

引用

页数：14

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