Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 39: Gaseous Detectors 2

T 39.5: Vortrag

Dienstag, 22. März 2022, 17:15–17:30, T-H24

Gas Monitoring Chambers for the T2K Near Detector Upgrade — Philip Hamacher-Baumann, Ines Hannen, Leon Mans, Thomas Radermacher, Stefan Roth, David Smyczek, and •Nick Thamm — RWTH Aachen University - Physics Institute III B, Aachen, Germany

Measurements from the Tokai to Kamioka (T2K) long baseline neutrino oscillation experiment have shown first indications for CP violation in the leptonic sector. To improve these results, a part of the near detector (ND280) of T2K will be replaced by a 3D fine-grained scintillator tracker acting as target (SFGD), two high-angle time projection chambers (HA-TPCs) and a time-of-flight system (TOF). The Aachen group is developing and constructing new gas monitoring chambers for the existing and new TPC systems to be installed in 2023. These chambers are dedicated to the continuous calibration and monitoring of the TPC drift gas properties. This talk gives an overview of the design, simulation, comissioning and series production of the new gas monitoring system.