Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 56: Neutrino-Detektoren II

T 56.10: Vortrag

Mittwoch, 27. März 2019, 18:15–18:30, S07

Data aquisition systematic effects for sterile neutrino search at KATRIN — •Martin Descher for the KATRIN collaboration — Karlsruhe Institut für Technologie, Germany

The KATRIN Experiment (Karlsruhe Tritium Neutrino Experiment) aims to measure the effective electron neutrino mass down to 0.2 eV @90% CL. Using KATRIN’s highly active tritium source, it is also possible to search for the signature of a keV sterile neutrino in the differential beta decay spectrum. To reach sensitivity for sterile mixing angles down to sin²θ = 10⁻⁶, a large statistical sample is necessary. For this, the detector and readout system must be capable of handling extremely high rates of ≈ 10⁸ electron counts per second. The new detector and readout system TRISTAN is designed to live up to this task, but systematic effects from its data aquisition system in respect to high rates still need to be investigated.