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
刊名CHINESE PHYSICS C
2016
卷号40期号:7
关键词LHAASO ED readout electronics White Rabbit
DOI10.1088/1674-1137/40/7/076101
通讯作者刘湘 ; 常劲帆
文章类型Article
英文摘要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.
语种英语
WOS记录号WOS:000381730100015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/261021
专题中国科学院高能物理研究所_实验物理中心_期刊论文
中国科学院高能物理研究所_实验物理中心
作者单位中国科学院高能物理研究所
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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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