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T: Fachverband Teilchenphysik

T 64: Detectors 7 (gas detectors)

T 64.3: Talk

Wednesday, March 6, 2024, 16:30–16:45, Geb. 30.23: 2/17

Performance Evaluation of the Newly Developed TPC Gas Monitoring Chambers for the T2K Near Detector Upgrade — Stefan Roth, •Keitlin Sejdarasi, David Smyczek, Jochen Steinmann, and Nick Thamm — RWTH Aachen University, Physics Institute III B, Aachen, Germany

In order to ensure the stable operation of time projection chambers (TPCs), the gas parameters are continuously monitored over time. For the upgrade of the T2K near detector ND280, this task will be accomplished by gas monitoring chambers (GMCs), which are essentially a miniature version of a TPC. In this talk, first results from the measurements of the gas gain and drift velocity for different gas mixtures for the newly developed GMCs are presented. These results are compared to simulations, as well as to measurements with the predecessor model of the GMC.

Keywords: Time projection chamber; Gas monitoring chamber; T2K