Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 92: Detectors VIII (Gaseous Detectors)

T 92.1: Vortrag

Freitag, 4. April 2025, 09:00–09:15, VG 1.102

Stability and Performance studies of upgraded Gas Monitoring Chambers for the T2K Near Detector — •Ziyan Cao, Stefan Roth, David Smyczek, Jochen Steinmann, and Nick Thamm — RWTH Aachen University - Physik Institute III B, Aachen, Germany

As part of the T2K ND280 near detector upgrade, Gas Monitoring Chambers (GMCs) are used to monitor key gas parameters such as drift velocity and gain, ensuring precise calibration of Time Projection Chambers(TPCs). This work focuses on evaluating the performance of upgraded GMCs with new features, including comparative analyses of drift velocity and gas gain with previous models and simulations. Observed discrepancies prompted systematic investigations into factors such as gas flow configuration, flow rate, and chamber stability. The results from testing the newly designed Micromegas will also be presented.

Keywords: Gas Monitoring Chamber; Time Projection Chamber; ND280; T2K; Micromegas