Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 116: Detectors 11 (gas detectors)

T 116.6: Talk

Friday, March 8, 2024, 10:15–10:30, Geb. 30.23: 2/17

Cosmic test stand studies with a small-strip Thin Gap Chamber quadruplet — •Ksenia Solovieva, Jose Antonio Fernandez Pretel, Patrick Scholer, Vladislavs Plesanovs, and Ulrich Landgraf — Albert-Ludwigs University, Freiburg

The small-strip Thin Gap Chamber (sTGC) technology has been implemented in the New Small Wheel upgrade of ATLAS for improved triggering and tracking in a higher particle rate environment. For the purpose of investigating analog signal shapes and gas parameters, a quadruplet was set up in a cosmic muon test stand in Freiburg and read out with the final ATLAS NSW readout system and the final gas mixture. With the unique opportunity of this setup to study analog signals before digitisation and to closely monitor various properties of the gas and HV, it lends itself to studies of the properties of the sTGC gas mixture and analog signal shapes. This presentation discusses the goals and challenges of the dedicated setup, as well as comparing results to simulation in Garfield++.

Keywords: sTGC; NSW; gas mixture; analog signal