In the high-eta (1.6 - 2.4) region of the CMS endcap, Gas Electron Multipliers (GEM) present an interesting option for a future upgrade of the forward region of the CMS muon system. Large GEM detectors are challenging due to technological issues; in the view of the CMS upgrade we have designed and built the largest full-size triple GEM-based muon detector to-date. This prototype meets the stringent requirements of the hostile forward environment of CMS at high-luminosity LHC. Dedicated test beam measurements have been performed at the SPS in June 2011 to study efficiency, space resolution, and timing performance with different inter-electrode gap configurations and gas mixtures and in a strong magnetic field of 3T (as at CMS). Preliminary results of these experimental tests will be presented
Abbaneo, D., Bally, S., Postema, H., Garcia, A., Chatalain, J., Faber, G., et al. (2012). A dedicated beam tests of the full-scale prototype of gems for cms in a strong magnetic field. In Proceedings of the 13th ICATPP Conference Villa Olmo, Como, Italy, 3 – 7 October 2011 (pp. 732-737). World Scientific Publishing [10.1142/9789814405072_0109].
A dedicated beam tests of the full-scale prototype of gems for cms in a strong magnetic field
CROCI, GABRIELE;
2012
Abstract
In the high-eta (1.6 - 2.4) region of the CMS endcap, Gas Electron Multipliers (GEM) present an interesting option for a future upgrade of the forward region of the CMS muon system. Large GEM detectors are challenging due to technological issues; in the view of the CMS upgrade we have designed and built the largest full-size triple GEM-based muon detector to-date. This prototype meets the stringent requirements of the hostile forward environment of CMS at high-luminosity LHC. Dedicated test beam measurements have been performed at the SPS in June 2011 to study efficiency, space resolution, and timing performance with different inter-electrode gap configurations and gas mixtures and in a strong magnetic field of 3T (as at CMS). Preliminary results of these experimental tests will be presented
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