Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 74: Gaseous Detectors II

T 74.2: Vortrag

Donnerstag, 19. März 2026, 16:30–16:45, KH 01.014

Integration of new Gas Monitoring Chambers into the ND280 Near Detector Gas System — Stefan Roth, •David Smyczek, Jochen Steinmann, and Nick Thamm — RWTH Aachen University - Physics Institute III B, Aachen, Germany

A new pair of Time Projection Chambers for high angle measurements (HAT) has been installed during the upgrade of the T2K near detector ND280. To improve their calibration, drift velocity and gain are continuously monitored using new Gas Monitoring Chambers (GMC) which were installed in November 2025. One pair of GMCs is monitoring the supply and the exhausts of the ND280 Time Projection Chambers. A second pair of GMCs is monitoring the freshly mixed gas. One of those GMCs has been equipped with resistive Micromegas to compare the results to its counterpart using conventional Micromegas. The first measurements of these new monitoring chambers will be presented.

Keywords: T2K; GMC; TPC