Detection of photoabsorption point with capillary imaging gas proportional counter
Detection of photoabsorption point with capillary imaging gas proportional counter
复制标题
毛细管成像气体正比计数器检测光吸收点
DOI：
10.1109/nssmic.2000.949086
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发表时间：
2000
期刊：
影响因子：
--
通讯作者：
T. Masuda
中科院分区：
文献类型：
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作者：
Y. Inoue;H. Sakurai;S. Gunji;F. Tokanai;T. Maeda;T. Masuda
利用毛细管成像气体正比计数器（CIGC）成功地探测到了2.7 keV和5.9 keV X射线的光电子径迹图像。这是利用光电子径迹探测X射线偏振的一项重要技术。轨道的图像包含最多两个集群组成的像素为2.7 keV的光电子和5.9 keV的X射线，分别。通过对轨迹聚类的系统分析，提取了事件的图像，去除了由于I. I. CCD。对于5.9 keV的X射线，簇扩散的程度平均约为1.2 mm。对于5.9keV的X射线，光产额分布在峰值附近的95%FWHM处。2.7 keV光电子的光产额和集群的范围分别约为5.9 keV的一半。因此，这一结果鼓励我们探测10 keV以上X射线的光吸收点。
We have successfully detected the images of photoelectron tracks of 2.7 keV and 5.9 keV X-rays utilizing a Capillary Imaging Gas Proportional Counter (CIGC). This is an important technique to detect X-ray polarization employing photoelectron track. The images of the tracks contain at most two clusters composed of pixels for 2.7 keV photoelectron and 5.9 keV X-ray, respectively. The images of the events were extracted with systematic analysis based on clustering of the tracks removing the spurious noise cluster due to I.I. CCD. The extent of the cluster spreading was approximately 1.2 mm on average for 5.9 keV X-ray. The light yield was distributed at 95% FWHM around a peak for 5.9 keV X-ray. The light yield and the extent of the clusters for 2.7 keV photoelectrons were approximately a half of them for 5.9 keV, respectively. Therefore, the result encourages us to detect the photoabsorption point due to X-ray above 10 keV.