SMuK 2023 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

T: Fachverband Teilchenphysik

T 45: Si-Strips, Pixel

T 45.5: Vortrag

Dienstag, 21. März 2023, 18:00–18:15, WIL/C307

Tests of the first TRISTAN 166 pixel detector modules in a MAC-E filter environment — •Daniel Siegmann — Technical University Munich, James-Franck-Straße 1, 85748 Garching bei München

Sterile neutrinos are a natural extension of the Standard Model of particle physics. If their mass is in the keV range, they are a viable dark matter candidate. One way to search for sterile neutrinos in a laboratory-based experiment is via tritium beta decay. A sterile neutrino with a mass up to 18.6 keV would manifest itself in the decay spectrum as a kink-like distortion. The objective of the TRISTAN project is to extend the KATRIN experiment measurement range with a novel multi-pixel silicon drift detector and readout system to search for a keV-scale sterile neutrino signal. In this presentation will an overview of the first measurements of a 166 pixel TRISTAN detector module inside a KATRIN-like MAC-E filter environment at the Monitor Spectrometer using an implanted ^83mKr source will be shown.

This project has received funding from the European Research Council (ERC) under the European Union Horizon 2020 research and innovation program (grant agreement No. 852845). This work is also supported by BMBF (05A17PM3, 05A17PX3, 05A17VK2, 05A17WO3), KSETA, the Max Planck society, and the Helmholtz Association.