Characterization of the photomultiplier tubes for the scintillation detectors of GRANDProto35 experiment

Characterization of the photomultiplier tubes for the scintillation detectors of GRANDProto35 experiment
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GRANDProto35 实验闪烁探测器光电倍增管的表征

DOI:
10.1088/1748-0221/16/04/p04008
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发表时间:
2020-05
影响因子:
1.3
通讯作者:
Y.-L. Feng
Y.-L. Feng
中科院分区:
工程技术4区
文献类型:
--
作者:
X. Wang;X.-L. Qian;Y.-H. Yu;C.-F. Feng;Olivier Martineau-Huynh;Y. Zhang;Q.-B. Gou;W. Liu;Y.-L. Feng

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GRANDProto35是GRAND项目的第一阶段。它将由35个无线电天线阵列和24个闪烁探测器组成,其中无线电和闪烁子阵列将独立触发。闪烁探测器阵列允许对射电阵列进行交叉检查,从而定量地确定其探测效率。Hamamatsu R7725的光电倍增管是闪烁探测器的候选器件。PMT的特性将直接影响闪烁探测器时间和能量测量的分辨率和动态探测范围。设计了双读出分压器电路,使PMT具有更大的线性动态范围。对PMT的一些特性进行了标定和研究:PMT增益的绝对增益、单光电子(SPE)能量分辨率、传输时间扩展(TTS)、线性动态范围和温度依赖性。在本文中,详细介绍了系统的设置、测量方法和结果。
GRANDProto35 is the first stage of the GRAND project. It will be composed of an array of 35 radio antennas and 24 scintillation detectors in which the radio and scintillating subarrays will be triggered independently. The scintillation detector array allows to cross-check the radio array, thus quantitatively determine its detection efficiency. The photomultiplier of Hamamatsu R7725 is a candidate for the scintillation detector. The characteristics of the PMT will directly affect the resolution of the time and energy measurements and the dynamic detection range of a scintillation detector. A voltage divider circuit featured with dual-readout was designed for the PMT to cover a larger linear dynamic range (LDR). Some characteristics of the PMT were calibrated and investigated: the absolute gain, single photoelectron (SPE) energy resolution, transit time spread (TTS), linear dynamic range, and temperature dependence of the PMT gain. In this paper, details about the system setup, measurement methods, and results will be described.
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发表时间: 1966-04
影响因子: 8.6
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DOI: 10.1088/1748-0221/12/11/p11011
发表时间: 2017-11
影响因子: 1.3
作者:
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