Position sensing from charge dispersion in micro-pattern gas detectors with a resistive anode

被引:66
作者
Dixit, MS
Dubeau, J
Martin, JP
Sachs, K
机构
[1] Carleton Univ, Ottawa Carleton Inst Phys, Dept Phys, Ottawa, ON K1S 5B6, Canada
[2] DETEC, Aylmer, PQ, Canada
[3] Univ Montreal, Montreal, PQ H3C 3J7, Canada
[4] TRIUMF, Vancouver, BC V6T 2A3, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
gaseous detectors; position-sensitive detectors; micro-pattern gas detectors; gas electron multiplier; micromegas;
D O I
10.1016/j.nima.2003.09.051
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Micro-pattern gas detectors, such as the Gas Electron Multiplier (GEM) and the Micromegas need narrow high-density anode readout elements to achieve good spatial resolution. A high-density anode readout would require an unmanageable number of electronics channels for certain potential micro-detector applications such as the Time Projection Chamber. We describe below a new technique to achieve good spatial resolution without increasing the electronics channel count in a modified micro-detector outfitted with a high surface resistivity anode readout structure. The concept and preliminary measurements of spatial resolution from charge dispersion in a modified GEM detector with a resistive anode are described below. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:721 / 727
页数:7
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