SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 23: Gas-Detectors / Muon MDT

T 23.6: Talk

Monday, March 20, 2023, 17:45–18:00, WIL/C207

Impact of environmental pressure and temperature variations on triple-GEM detector gas gain — •Francesco Ivone, Thomas Hebbeker, Kerstin Hoepfner, Giovanni Mocellin, and Shawn Zaleski — III. Physikalisches Institut A, RWTH Aachen University

The GEM (Gas Electron Multiplier) technology has been widely adopted for muon detection in high energy physics experiments, for both tracking and triggering, as well as in other application areas.

The GEM gas electron amplification factor depends on the gas properties: mainly the mixture, the temperature and the pressure. While the gas mixture is finely controllable, the gas temperature and pressure are influenced by the fluctuations of the environmental parameters. Correcting for such variations is therefore crucial to maintain stable operating conditions or to compare performance measured in different conditions. In this contribution we describe the dependence of triple-GEM gas gain on temperature and pressure for three different gas mixtures. The study is based on experimental data, supported by simulations.