Optical imaging capillary gas proportional counter with Penning mixtures
Optical imaging capillary gas proportional counter with Penning mixtures
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使用潘宁混合物的光学成像毛细管气体正比计数器
DOI：
10.1109/nssmic.1999.845793
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发表时间：
1999
期刊：
影响因子：
--
通讯作者：
K. Asamura
中科院分区：
文献类型：
--
作者：
T. Masuda;H. Sakurai;Y. Inoue;S. Gunji;K. Asamura
将Ar+8%CH/sub - 4/+2%TMA混合气体用于毛细管板光学成像气体比例计数器。研究了毛细管气体比例计数器（CGPC）对电荷信号和光信号的基本性能。气体增益约为Ar+10%CH/sub 4的70倍，混合气体在比Ar+10%CH/sub 4低220 V的间隙电压下工作，表明TMA的Penning效应。对于/sup 55/ fe5.9 keV X射线，电荷信号和光信号的能量分辨率分别为20.8%和26.6%。从22 keV x射线光电子径迹的聚类分析可以看出，掺有Ar+8%CH/sub 4/+2%TMA混合气体的CGPC能够探测到x射线光电子径迹的起始点。
The gas mixture of Ar+8%CH/sub 4/+2%TMA has been applied for an optical imaging gas proportional counter with a capillary plate. The basic performance of the Capillary Gas Proportional Counter (CGPC) were investigated for the charge signal and the light signal. The gas gain was approximately 70 times greater than Ar+10%CH/sub 4/ and the gas mixture operates at the gap voltage 220 V lower than the Ar+10%CH/sub 4/ indicating the Penning effect of TMA. The energy resolutions of the charge signal and the light signal were 20.8% and 26.6% for /sup 55/Fe 5.9 keV X rays, respectively. From the cluster analysis of the photo-electrons track due to 22 keV X-ray, it is implied that the CGPC with the gas mixture of Ar+8%CH/sub 4/+2%TMA can detect the initial point of the photo-electron track due to X-rays.