Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 10: Gaseous detectors

T 10.5: Talk

Monday, March 15, 2021, 17:00–17:15, Tj

Commissioning of a Gas Monitoring Chamber for the T2K Near Detector Upgrade — Philip Hamacher-Baumann, Paula Nehm, Paolina Noll, Thomas Radermacher, Stefan Roth, •David Smyczek, and Nick Thamm — RWTH Aachen University - Physics Institute III B, Aachen, Germany

A pair of High Angle Time Projection Chambers (HATs) will be installed during the upgrade of the T2K near detector ND280. These HATs have the task to reconstruct particle tracks and energy loss at high scattering angles of the final state charged leptons. The new Gas Monitoring Chambers will continuously measure important electron drift parameters, especially drift velocity and gain. This data will be used in the calibration procedure to improve the resolution of the measurement of the specific ionisation dE/dx and to guarantee the long term stability of track reconstruction. The design, construction and commissioning of a first prototype is presented.