Development of micro pattern gas detectors for high rate experiments

Richter, Carola Ruth

German Title: Entwicklung von Mikrostruktur-Gasdetektoren fuer Hochraten-Experimente

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Official URL: http://www.physi.uni-heidelberg.de/~richter/Thesis/Arbeit.pdf

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DOI: 10.11588/heidok.00001109
URN: urn:nbn:de:bsz:16-opus-11097
URL: http://www.ub.uni-heidelberg.de/archiv/1109

Abstract

Since the introduction of Micro Strip Gaseous Chambers (MSGC) and Gas Electron Multipliers (GEM) in the early 90s, a large family of different Micro Pattern Gas Detectors (MPGD) has grown, offering high rate capability and an excellent position accuracy. A combined system of MSGC and GEM was developed for the inner tracking system of the Hera-B experiment at DESY Hamburg. In this thesis, the principles of electron transfer in the GEM and, in addition, discharging and ageing effects were studied in various conditions. Results from a final beam test in real conditions are reported, proving that this detector can survive the harsh operation conditions of the Hera-B experiment.

Document type:	Dissertation
Supervisor:	Schmidt, Priv. Doz Bernhard
Date of thesis defense:	18 October 2000
Date Deposited:	27 Oct 2000 00:00
Date:	2000
Faculties / Institutes:	The Faculty of Physics and Astronomy > Institute of Physics
DDC-classification:	530 Physics
Controlled Keywords:	Mikrostreifen-Gasdetektor
Uncontrolled Keywords:	GEM , Hera-B , Hochraten , Alterung , EntladungenGEM , Hera-B , high rate , ageing , discharge