Experimental studies of THGEM in different Ar/CO2 mixtures

被引：0

作者：

何占营 ^{[1
,2
]}

周健荣 ^{[2
,3
]}

孙志嘉 ^{[2
,3
]}

杨桂安 ^{[2
,3
]}

许虹 ^{[2
,3
]}

王艳凤 ^{[2
,3
]}

刘倩 ^{[3
,4
]}

刘宏邦 ^{[3
,4
]}

陈石 ^{[4
]}

谢一冈 ^{[2
,4
]}

郑阳恒 ^{[5
,4
]}

王晓冬 ^{[1
]}

张小东 ^{[1
]}

胡碧涛 ^{[1
]}

陈元柏 ^{[2
,3
]}

机构：

[1] School of Nuclear Science and Technology,Lanzhou University

[2] Institute of High Energy Physics Chinese Academy of Sciences

[3] State Key Laboratory of Particle Detection and Electronics

[4] University of Chinese Academy of Sciences

[5] State Key Laboratory of Particle Detection and ElectronIcs

来源：

Chinese Physics C | 2014年 / 05期

基金：

中国国家自然科学基金;

关键词：

THGEM; counting rate plateau; gas gain; energy resolution;

D O I：

暂无

中图分类号：

O571.53 [中子源和中子探测器];

学科分类号：

摘要：

In this paper,the performance of a type of domestic THGEM(THick Gaseous Electron Multiplier)working in Ar/CO2mixtures is reported in detail.This kind of single THGEM can provide a gain range from 100to 1000,which is very suitable for application in neutron detection.In order to study its basic characteristics as a reference for the development of a THGEM based neutron detector,the counting rate plateau,the energy resolution and the gain of the THGEM have been measured in different Ar/CO2mixtures with a variety of electrical fields.For the Ar/CO2(90%/10%) gas mixture,a wide counting rate plateau is achieved from 720 V to 770 V,with a plateau slope of 2.4%/100 V,and an excellent energy resolution of about 22%is obtained at the 5.9 keV full energy peak of the55Fe X-ray source.

引用

页码：60 / 63

页数：4

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