We show that adding CF4 to the standard Ar/CO2 gas mixture allows to substantially improve the time resolution of triple-GEM detectors. In this paper we discuss measurements of time resolution, discharge probability per incident charged particle and pad multiplicity of a triple-GEM detector with pad readout, with new gas mixtures with CF4 and isobutane. Results for detectors with GEM foil size of both 10 x 10 cm(2) and 20 x 24 cm(2) are presented. (C) 2004 Published by Elsevier B.V.

A triple-GEM detector for high-rate particle triggering

;SAITTA, BIAGIO
2004

Abstract

We show that adding CF4 to the standard Ar/CO2 gas mixture allows to substantially improve the time resolution of triple-GEM detectors. In this paper we discuss measurements of time resolution, discharge probability per incident charged particle and pad multiplicity of a triple-GEM detector with pad readout, with new gas mixtures with CF4 and isobutane. Results for detectors with GEM foil size of both 10 x 10 cm(2) and 20 x 24 cm(2) are presented. (C) 2004 Published by Elsevier B.V.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11584/35085
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