A high resolution resistive plate chamber tracking system developed for cosmic ray muon tomography

被引:29
作者
Baesso, P. [1 ]
Cussans, D. [1 ]
Thomay, C. [1 ]
Velthuis, J. J. [1 ]
Burns, J. [2 ]
Steer, C. [2 ]
Quillin, S. [2 ]
机构
[1] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
[2] Atom Weapon Estab, Reading RG7 4PR, Berks, England
来源
JOURNAL OF INSTRUMENTATION | 2013年 / 8卷
关键词
Particle tracking detectors; Large detector systems for particle and astroparticle physics; Particle tracking detectors (Gaseous detectors);
D O I
10.1088/1748-0221/8/08/P08006
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
This work describes the performance of a muon tracker built with high resolution glass resistive plate chambers. The tracker is the result of a collaboration between University of Bristol and the Atomic Weapon Establishment to develop a reliable and cost effective system to scan shipping containers in search of special nuclear materials. The current setup consists of 12 detection layers, each comprised of a resistive plate chamber read out by 1.5 mm pitch strips. For most of the layers we achieved an efficiency better than 95%, a purity above 95% and a signal-to-noise ratio better than 300. A spatial resolution better than 500 mu m was obtained for most layers, thus satisfying the main requirements to apply resistive plate chambers to cosmic ray tomography.
引用
收藏
页数:15
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