Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 87: Gaseous detectors II

T 87.4: Vortrag

Donnerstag, 2. April 2020, 17:15–17:30, L-3.016

Particle position reconstruction using a segmented GEM foil in combination with a Micromegas readout — •Christoph Jagfeld, Otmar Biebel, Bernhard Flierl, Maximilian Herrmann, Ralf Hertenberger, Felix Klitzner, Katrin Penski, Maximilian Rinnagel, Sebastian Trost, Chrysostomos Valderanis, and Fabian Vogel — LMU München

In Micromegas (Micro-MEsh GAseous Structures) detectors, a modern form of micro-pattern gaseous detectors, the signal is usually read out via readout strips on the anode. The signal created at the mesh is neglected for the particle position reconstruction. By replacing the mesh with a GEM (Gas Electron Multiplier) foil, which is segmented into 0.5 mm broad readout strips on its side facing the anode, the particle position can be determined on the "mesh" as well. If the strips on the GEM foil are orientated perpendicular to the anode strips, a particle position can be reconstructed in two spatial coordinates without adding a second layer of readout strips on the anode. This talk presents results from simulation studies to investigate the performance of this detector concept. First measurements with the new GEM foil will be presented.