毛细管气体比例计数器中x射线光电子径迹的形式

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255) Pub Date : 1998-11-08 DOI:10.1109/NSSMIC.1998.775134

H. Sakurai, S. Saito, T. Masuda, S. Gunji, M. Noma, G. Kanase, Y. Suzuki

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引用次数: 15

摘要

我们利用带CCD相机的光学成像气体探测器，成功地探测到了/sup 109/Cd和/sup 241/Am的22 keV和30 keV X射线的光电子轨迹图像。在氙气中，大多数30 keV光电子的径迹长度大于1mm。轨道图像包含像素簇，并对每个轨道中最亮的簇进行了详细研究。发现这些星团的几何中心与能量损失最大的点不同。

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The form of X-ray photoelectron tracks in a capillary gas proportional counter

We have successfully detected images of tracks of photoelectrons from the 22 keV and 30 keV X rays of /sup 109/Cd and /sup 241/Am, utilizing an optical imaging gas detector with a CCD camera. Most of the 30 keV photoelectrons have track lengths greater than 1 mm in xenon gas. The images of the tracks contain clusters of pixels, and the brightest of these clusters, for each track, were investigated in detail. It was found that the geometric center of these clusters differed from the point of maximum energy loss.

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来源期刊

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255)

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