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Prototype of readout electronics for the LHAASO KM2A electromagnetic particle detectors
Liu X(刘湘); Chang JF(常劲帆); Wang Z(王铮); Fan L(樊磊); Liu, X; Chang, JF; Wang, Z; Fan, L
2016
发表期刊CHINESE PHYSICS C
卷号40期号:7
通讯作者刘湘 ; 常劲帆
摘要The KM2A (one kilometer square extensive air shower array) is the largest detector array in the LHAASO (Large High Altitude Air Shower Observatory) project. The KM2A consists of 5242 EDs (Electromagnetic particle Detectors) and 1221 MDs (Muon Detectors). The EDs are distributed and exposed in the wild. Two channels, anode and dynode, are employed for the PMT (photomultiplier tube) signal readout. The readout electronics designed in this paper aims at accurate charge and arrival time measurement of the PMT signals, which cover a large amplitude range from 20 P.E. (photoelectrons) to 2 x 10(5) P.E. By using a "trigger-less" architecture, we digitize signals close to the PMTs. All digitized data is transmitted to DAQ (Data Acquisition) via a simplified White Rabbit protocol. Compared with traditional high energy experiments, high precision of time measurement over such a large area and suppression of temperature effects in the wild become the key techniques. Experiments show that the design has fulfilled the requirements in this project.
文章类型Article
关键词LHAASO ED readout electronics White Rabbit
DOI10.1088/1674-1137/40/7/076101
语种英语
WOS记录号WOS:000381730100015
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/261021
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Liu X,Chang JF,Wang Z,et al. Prototype of readout electronics for the LHAASO KM2A electromagnetic particle detectors[J]. CHINESE PHYSICS C,2016,40(7).
APA 刘湘.,常劲帆.,王铮.,樊磊.,Liu, X.,...&Fan, L.(2016).Prototype of readout electronics for the LHAASO KM2A electromagnetic particle detectors.CHINESE PHYSICS C,40(7).
MLA 刘湘,et al."Prototype of readout electronics for the LHAASO KM2A electromagnetic particle detectors".CHINESE PHYSICS C 40.7(2016).
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