Improving Spectroscopic Performance of a Coplanar-Anode High-Pressure Xenon Gamma-Ray Spectrometer

被引：0
|
作者：
Kiff, Scott D. [1 ]
He, Zhong [1 ]
Tepper, Gary C. [2 ]
机构：
[1] Univ Michigan, Ann Arbor, MI 48109 USA
[2] Virginia Commonwealth Univ, Richmond, VA 23284 USA
来源：
2006 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOL 1-6 | 2006年
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/NSSMIC.2006.356026
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
High-pressure xenon (HPXe) gas is a desirable radiation detection medium for homeland security applications because of its good inherent room-temperature energy resolution, potential for large, efficient devices, and stability over a broad temperature range. Past work in HPXe has produced large-diameter gridded ionization chambers with energy resolution at 662 keV between 3.5 and 4% FWHM. However, one major limitation of these detectors is resolution degradation due to Frisch grid microphonics. Improved energy resolution using a detector with coplanar anodes as an alternative to a Frisch grid is reported in this submission. It is expected that a coplanar anode design has the potential to provide competitive energy resolution with minimal degradation from microphonics. Experimental data is presented, including an analysis of interaction location effects on the energy spectrum. The HPXe gas is doped with a small amount of H-2 gas to improve charge transport, and the results are compared with Geant simulations.
引用
收藏
页码：1048 / 1051
页数：4
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