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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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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
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