Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 10: Gaseous detectors

T 10.9: Talk

Monday, March 15, 2021, 18:00–18:15, Tj

Particle position reconstruction using a segmented GEM foil in a micro-structure gaseous detector — •Christoph Jagfeld, Otmar Biebel, Maximilian Herrmann, Ralf Hertenberger, Felix Klitzner, Katrin Penski, Maximilian Rinnagel, 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 usually 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 readout strips, the particle position can be determined on the "mesh" as well. If the strips on the GEM foil are orientated perpendicular to the anode readout strips, a particle position can be reconstructed in two spatial coordinates without adding a second layer of readout strips on the anode. First measurements with the new GEM foil will be presented.