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Advances in High Energy Physics
Volume 2016, Article ID 1962317, 11 pages
Research Article

High Efficiency Gaseous Tracking Detector for Cosmic Muon Radiography

1Wigner Research Centre for Physics of the Hungarian Academy of Sciences, 29-33 Konkoly-Thege Miklós Str., Budapest 1121, Hungary
2Budapest University of Technology and Economics, 3 Műegyetem rkp., Budapest 1111, Hungary
3Eötvös Loránd University, 1/A Pázmány P. sétány, Budapest 1117, Hungary

Received 30 August 2016; Accepted 19 October 2016

Academic Editor: Edward Sarkisyan-Grinbaum

Copyright © 2016 Dezső Varga et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


A tracking detector system has been constructed with an innovative approach to the classical multiwire proportional chamber concept, using contemporary technologies. The detectors, covering an area of 0.58 square meters each, are optimized for the application of muon radiography. The main features are high (>99.5%) and uniform detection efficiency, 9 mm FWHM position resolution, and filling gas consumption below 2 liters per hour for the nontoxic, nonflammable argon and carbon dioxide mixture. These parameters, along with the simplicity of the construction and the tolerance for mechanical effects, make the detectors a viable option for a large area muography observation system.