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T: Fachverband Teilchenphysik

T 75: Neutrino physics without accelerators VI

T 75.9: Vortrag

Donnerstag, 2. April 2020, 18:35–18:50, H-HS XIII

The TRISTAN project — •Tim Brunst for the KATRIN collaboration — Technische Universität München — Max-Planck-Institut für Physik

The KATRIN (Karlsruhe Tritium Neutrino) experiment investigates the energetic endpoint of the tritium beta-decay spectrum to determine the effective mass of the electron anti-neutrino. The TRISTAN project aims at detecting a keV-sterile neutrino signature by measuring the entire tritium beta-decay spectrum with an upgraded KATRIN system. One of the greatest challenges is to handle the high signal rates generated by the strong activity of the KATRIN tritium source while maintaining a good energy resolution. Therefore, a novel multi-pixel silicon drift detector and read-out system are being designed to handle rates up to 100 Mcps with an energy resolution of 300 eV (FWHM) at 20 keV. In this talk the current status of the project is presented as well as the next steps towards the final detector.