SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 58: Other Exp., tt

T 58.1: Vortrag

Mittwoch, 22. März 2023, 15:50–16:05, HSZ/0103

Charge detection via proportional scintillation in a single-phase liquid xenon TPC — •Florian Tönnies — Albert-Ludwigs-Universität Freiburg

Dual-phase liquid/gas xenon TPCs are a well-established detector technology to search for WIMP Dark Matter. Nevertheless, the spatially uniform detection of the charge signal in the standard way, i.e., via proportional scintillation in the gaseous xenon, will be challenging at the scale of the next-generation detectors due to the size of the TPCs. The detection of the charge signal in the liquid phase of a single-phase TPC is a promising option to circumvent this issue. In Freiburg we successfully operated a single-phase TPC demonstrator which exploits proportional scintillation in the strong electric field around very thin wires. Some of the most recent results will be presented in this talk.