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T: Fachverband Teilchenphysik

T 11: Gaseous Detectors I

T 11.5: Talk

Monday, March 16, 2026, 17:15–17:30, KH 01.014

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

The gas electron amplification factor of Gas Electron Multiplier (GEM) detectors depends on the mixture, the temperature and the pressure. While the gas mixture can be adjusted precisely, 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. The talk presents the experimental setup which was used to study the dependence of triple-GEM gas gain on temperature and pressure. The results of the experimental study are shown alongside a results from simulation studies.

Keywords: Gas Electron Multiplier; Gain gain; Environmental parameters