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羊八井ARGO实验RPC模拟读出
引用本文:杨群羽,何会海,陈欣,刘琨,卢红,木钧,沈培若,谭有恒,吴超勇,张慧敏,张勇.羊八井ARGO实验RPC模拟读出[J].中国物理 C,2004,28(8):866-869.
作者姓名:杨群羽  何会海  陈欣  刘琨  卢红  木钧  沈培若  谭有恒  吴超勇  张慧敏  张勇
作者单位:[1]云南大学物理系,昆明650091 [2]中国科学院高能物理研究所,北京100039
基金项目:国家自然科学基金(10 12 0 13 0 794),中国科技部基金资助,中国科学院基金资助,中国科学院高能物理研究所粒子天体物理重点实验室基金资助,意大利INFN基金资助~~
摘    要:羊八井ARGO实验正处于探测器安装及试运行阶段,整个阵列由1848个工作于流光模式的单层RPC探测器构成.依靠RPC读出条的数字读出只能测量小簇射事例的次级粒子数目,为了实现逐事例区分“膝区”原初宇宙线的成分及其能谱研究,对探测器增加了模拟读出,以实现对EAS芯区高达104/m2的次级粒子数密度的精确测量.本文对RPC探测器性能及大动态范围模拟读出板的信号和性能做了初步的分析和研究

关 键 词:RPC探测效率  模拟读出  幅度分布
收稿时间:2004-1-14

Study on the Analog Read-Out of the YBJ-ARGO RPC
YANG Qun-Yu.Study on the Analog Read-Out of the YBJ-ARGO RPC[J].High Energy Physics and Nuclear Physics,2004,28(8):866-869.
Authors:YANG Qun-Yu
Abstract:The YBJ ARGO experiment is presently in the mounting and debugging phase at the Yangbajing High Altitude Cosmic Ray Laboratory,Tibet,China.The YBJ ARGO EAS array is composed of bakelite RPCs which operate in the streamer mode.The digital read out,performed by means of read out strips,allows measuring the secondary particle number of small size air showers.To extend the dynamic range of the secondary particle number density up to 10 4/m 2,thus to measure the component and spectrum of primary cosmic rays at the knee region,it is necessary to implement the analog read out of the RPC,which is achieved by encapsulating each RPC with two Big PADs.This paper reports on the primary analysis of the analog read out signal of the Big PAD under different gas mixtures,including the amplitude distribution and ratio of the single streamer signal.
Keywords:RPC  detection efficiency  analog read-out  amplitude distribution  
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