本文采用了自主研发的THGEM探测器,其具有双膜结构,64路直流读出电子学等特点。采用该THGEM探测器在K荧光装置上,开展了对15~70 ke V内多能量点X射线的探测实验工作;结果显示该THGEM探测器对宽能区、高注量(剂量当量)的X射线具有良好线...本文采用了自主研发的THGEM探测器,其具有双膜结构,64路直流读出电子学等特点。采用该THGEM探测器在K荧光装置上,开展了对15~70 ke V内多能量点X射线的探测实验工作;结果显示该THGEM探测器对宽能区、高注量(剂量当量)的X射线具有良好线性响应,并分析了影响探测效率的因素。展开更多
Testing of a triple gas electron multiplier (GEM) with pixel-pads is described. Images by scanning and suspending radioactive sources were obtained by using 96 channels digital data acquisition (DAQ) system which was ...Testing of a triple gas electron multiplier (GEM) with pixel-pads is described. Images by scanning and suspending radioactive sources were obtained by using 96 channels digital data acquisition (DAQ) system which was composed of 96 8×8 mm2 pads and associated electronics channels.展开更多
Thick gas electron multipliers (THGEMs) are new types of gas detectors with merits such as a high counting rate,anti-radiation,high gain,robustness and relatively low cost.We establish an up-down THGEM detector hodosc...Thick gas electron multipliers (THGEMs) are new types of gas detectors with merits such as a high counting rate,anti-radiation,high gain,robustness and relatively low cost.We establish an up-down THGEM detector hodoscope system for detecting and displaying muon tracks.Muon tracks can be well observed with the detectors and the present study lays an important technological foundation for the domestic and mass production of THGEMs.展开更多
文摘Testing of a triple gas electron multiplier (GEM) with pixel-pads is described. Images by scanning and suspending radioactive sources were obtained by using 96 channels digital data acquisition (DAQ) system which was composed of 96 8×8 mm2 pads and associated electronics channels.
基金Supported by the National Natural Science Foundation of China under Grant Nos 11205240 and 11265003, and the China Postdoctoral Science Foundation under Grant No 2012M510587.
基金Supported by the National Natural Science Foundation of China under Grant Nos 10775181 and 10775151.
文摘Thick gas electron multipliers (THGEMs) are new types of gas detectors with merits such as a high counting rate,anti-radiation,high gain,robustness and relatively low cost.We establish an up-down THGEM detector hodoscope system for detecting and displaying muon tracks.Muon tracks can be well observed with the detectors and the present study lays an important technological foundation for the domestic and mass production of THGEMs.
