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    题名 作者 年代 出处 被引量
1塑闪单元条测试系统标定触发电路设计显示文摘为记录和分析塑闪阵列探测器(PSD)中塑闪单元条的有效输出信号,设计一款针对PSD塑闪单元条的标定触发电路。该触发电路由时间检出单元和逻辑触发单元组成,使用三路模拟电路实现对三路探测器的精确时间检出。通过现场可编程门阵列(FPGA)进行逻辑符合统计结果,并与上位机通信实现对定时电路的控制,可通过上位机配置阈值和设置符合通道。测试结果表明:该标定触发电路工作性能稳定,计数率高,通道一致性好,能够灵活配置逻辑,可满足使用要求。柯凌云 杨海波 颜俊伟 孙志朋 牛晓阳 孔洁 苏弘 2019核电子学与探测技术2019,39,4:2
2A versatile test bench for photomultiplier tube characterization and its application in the DAMPE-PSD显示文摘Performance characterization for massive photomultiplier tubes(PMTs) is a frequently encountered procedure in large nuclear and particle experiments.To facilitate this work,a dedicated test bench system has been developed at the Institute of Modern Physics,Chinese Academy of Sciences.The two-dimensional photocathode position scanning capability is an intrinsic function of the test bench,and up to 25 PMTs,with the diameter smaller than 2',can be tested simultaneously.The parameters of the light source pulses can be adjusted in a wide range,thus making it suitable for various characteristics measurements.The test bench system is highly automated with all the controlling operations integrated into a single software.Additionally,the hardware platform is extensible which allows complex testing schemes,and the modularity in the software design makes the migration from one testing configuration to another light-weight and efficient.All these features make the test bench versatile and reusable in different experiments.It has been first used in the construction of the Plastic Scintillator Detector(PSD) of DArk Matter Particle Explorer(DAMPE),and a total of 570 Hamamatsu R4443 tubes were tested successfully.The performance was verified and the testing results are also reported in this article.Yong Zhou Zhi-Yu Sun Yu-Hong Yu Yong-Jie Zhang Fang Fang Jun-Ling Chen Bi-Tao Hu 2016Nuclear Science and Techniques2016,27,3:1
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