Abstract
Prototypes of the gas-filled detectors based on the GEM and TGEM technologies have been studied in the multistage gas amplification circuit with the aim of selecting variants for tracking detectors of the muon system capable of operating at high counting rates in the CBM experiment. Two- and three-component mixtures based on Ar and He are used as the working gas. Their key characteristics are presented. The gas amplification factors are measured for various high-voltage modes. The charge collection times determining the response speed of the tested detectors are estimated.
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Original Russian Text © E.V. Atkin, S.S. Volkov, A.G. Voronin, V.V. Ivanov, B.G. Komkov, L.G. Kudin, E.Z. Malankin, V.N. Nikulin, E.V. Roshchin, G.V. Rybakov, V.M. Samsonov, O.P. Tarasenkova, V.V. Shumikhin, A.V. Khanzadeev, E.A. Chernysheva, 2015, published in Pribory i Tekhnika Eksperimenta, 2015, No. 2, pp. 32–40.
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Atkin, E.V., Volkov, S.S., Voronin, A.G. et al. A study of the coordinate gas-filled detectors based on the GEM and TGEM technologies for the muon tracking system of the CBM experiment. Instrum Exp Tech 58, 197–205 (2015). https://doi.org/10.1134/S0020441215010248
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DOI: https://doi.org/10.1134/S0020441215010248