Characterization of a triple-GEM position sensitive detector for X-ray fluorescence imaging

被引：0
|
作者：
de Souza, Geovane G. A. [1 ]
da Luz, Hugo Natal [1 ]
机构：
[1] Univ Sao Paulo, Inst Fis, Dept Nucl Phys, Sao Paulo, Brazil
来源：
X-RAY SPECTROMETRY | 2019年 / 48卷 / 05期
关键词：
D O I：
10.1002/xrs.3068
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
In this work, we characterized an X-ray position sensitive gaseous detector based in a triple stack of gas electron multipliers. The readout circuit is divided in 256 strips for each dimension and using a resistive chain interconnecting the strips, we are able to reconstruct the radiation interaction points by resistive charge division. The detector achieved gains above 10(4), energy resolution of 15.28% (full width at half maximum) for 5.9 keV X-rays, and position resolution of 1.2 mm, while operating in Ar/CO2(90/10) at atmospheric pressure.
引用
收藏
页码：387 / 394
页数：8
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