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T: Fachverband Teilchenphysik

T 19: Myondetektoren

T 19.5: Vortrag

Montag, 25. März 2019, 17:05–17:20, ST 3

Investigation of a high rate capable readout chip for Micromegas detectors — •Maximilian Rinnagel, Otmar Biebel, Bernhard Flierl, Maximilian Herrmann, Ralf Hertenberger, Christoph Jagfeld, Felix Klitzner, Philipp Lösel, Ralph Müller, and Chrysostomos Valderanis — LMU München

The VMM readout chip is designed to be a high rate capable readout chip specifically designed for charge information in gaseous detectors. It samples 64 input channels providing for each channel digital data on pulse height and timing of the pulse maximum. The features and performance of the VMM chip on Micromegas detectors is compared to the APV chip which was originally designed for silicon detector readout but which was adapted for Micromegas. Studies were performed with VMM chips attached on a square meter sized four layered Micromegas detector and small sized Micromegas detectors. These include efficiency studies, position and angular resolution using a muon and pion beam with straight and inclined tracks. The small sized detector has been investigated in a proton beam with the possibility to compare its performance to the APV readout systems.