Aachen 2019 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 19: Myondetektoren
T 19.9: Vortrag
Montag, 25. März 2019, 18:05–18:20, ST 3
Characterisation of 2 m2 sized 4 layered Micromegas Modules with Cosmic Muons — •Maximilian Herrmann, Otmar Biebel, Bernhard Flierl, Ralf Hertenberger, Christoph Jagfeld, Felix Klitzner, Philipp Lösel, Ralph Müller, Maximilian Rinnagel, and Chrysostomos Valderanis — Ludwig-Maximilians Universität München
Micropattern gaseous detectors are ideal for track reconstruction of muons in high flux environments. They are high rate capable and have a spatial resolution below 100 µm. In high energy physics experiments large areas have to covered with such precision trackers. Therefore Micromegas modules with areas of 2 m2 and with four active layers have been developed. The investigation of these modules is done in the Cosmic Ray Facility near Munich. Tracks of cosmic muons are used for the comparison between the performance of reference system and module. The active area of a Micromegas module is investigated with respect to homogeneity in pulse height, efficiency and resolution. Also deviations to the nominal design can be uncovered down to the order of 10 µm. We present results for these investigations with several modules and studies done for different gas mixtures.