Study on the performance of electromagnetic particle detectors of LHAASO-KM2A

Study on the performance of electromagnetic particle detectors of LHAASO-KM2A
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LHAASO-KM2A电磁粒子探测器性能研究

DOI:
10.1016/j.nima.2016.04.079
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发表时间:
2017-02
期刊:
Nuclear Instruments and Methods in Physics Research A 845 (2017) 429–433
影响因子:
--
通讯作者:
zhongquan zhang
zhongquan zhang
中科院分区:
其他
文献类型:
--
作者:
zhongquan zhang

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设计了用于大规模高空大气簇射观测(LHAASO)的1平方公里探测器阵列(KM 2A)的电磁粒子探测器(ED),用于测量大范围大气簇射(EAS)中次级粒子的密度和到达时间。艾德是一种塑料闪烁体探测器,有效面积为1 m2。本研究探讨原型ED的设计和性能。大约20个光电子收集的第一个倍增器的光电倍增管(PMT)。样机艾德表现出良好的检测效率和时间分辨率。通过设计光电倍增管分压器,实现了对1 ~ 10000个粒子/m2宽动态密度的检测。
The electromagnetic particle detectors (EDs) for one square kilometer detector array (KM2A) of large high altitude air shower observation (LHAASO) are designed to measure the densities and arrival times of secondary particles in extensive air showers (EASs). ED is a type of plastic scintillator detector with an active area of 1 m2. This study investigates the design and performance of prototype ED. Approximately 20 photoelectrons are collected by the 1st dynode of a photomultiplier tube (PMT). The prototype ED exhibited good detection efficiency and time resolution. The detection for the wide dynamic particle density varying from 1 to 10 000 particles/m2is realized with the design of the PMT divider for the readout of both the anode and 6th dynode.
DOI: 10.1088/1674-1137/37/1/017005
发表时间: 2013
期刊: --
影响因子: --
作者:
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DOI: 10.1016/j.nima.2013.11.104
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影响因子: --
作者:
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影响因子: 1.4
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发表时间: 2014-03
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影响因子: 3.6
作者:
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DOI: 10.1016/j.nima.2015.01.085
发表时间: 2015-05
期刊: Nuclear Instruments and Methods in Physics Research A781 (2015) 34–38
影响因子: --
作者:
lv hongkui
通讯作者: lv hongkui