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Nuclear Instruments and Methods in Physics Research Research: Accelerators, Spectrometers, Detectors and Associated Equipment 489 (2002) 121-139
Experimental and simulation study of the behaviour and operation modes of MSGC + GEM detectors
M. Ageron1, A. Albert, T. Barvich, W. Beaumont, T. Beckers, K. Bernier, P. Blum, I. Boulogne, D. Bouvet1, J.M. Brom2, F. Charles, J. Coffin2, D. Contardo1, E. Daubie, F. Didierjean2, G. De Lentdecker, J. De Troy, O. Devroede, M. Erdmann, J-P. Ernenwein, M. Fahrer, G. Flugge, J-C. Fontaine, W. Geist2, U. Goerlach2, M. Gottschalk, J.M. Helleboid2, D. Huss2, F. Iacopi, P. Juillot2, K. Karcher, F. Kuhn, A. Lounis2, C. Maazouzi2, D. Macke, C. Martin1, L. Mirabito1, S. Moreau2, T. Muller, D. Neuberger, A. Nowack, S. Perries1, I. Ripp-Baudot2, F. Rvderer, R. Schulte, L. Shekhtman, H-J. Simonis, W. Struczinski, A. Tatarinov, W-H. Thummel, F. Udo, C. Vander Velde, W. Van Doninck, C. Van Dyck, P. Vanlaer, L. Van Lancker, T. Weiler, A. Zander, A. Zghiche2, V. Zhukov
CMS Collaboration(s)

A small series production of detector modules made of MicroStrip Gas Counters (MSGC) and a Gas Electron Multiplier (GEM) foil has been exposed to a high-intensity hadron beam. We report about the reproductibility and stability of the detector responses and about the occurrence and consequences of discharges in the detector. The interdependence of the four voltage differences used in the detector has been studied by simulation and with X-ray measurements. Rate dependence of the signal amplitude is observed. The behaviour of the MSGC+GEM is compared to that of a state-of-the-art MSGC. Influence of various parameters on the detector response is investigated.
1 :  IPNL - Institut de Physique Nucléaire de Lyon
2 :  IReS - Institut de Recherches Subatomiques
Physique/Physique/Instrumentations et Détecteurs