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München 2019 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 43: Astroparticle Physics III

HK 43.2: Talk

Wednesday, March 20, 2019, 17:00–17:15, HS 16

Results of First Tritium Measurements at the KATRIN Experiment — •Martin Slezák for the KATRIN collaboration — Max Planck Institute for Physics, Munich, Germany

The aim of the Karlsruhe Tritium Neutrino (KATRIN) experiment is to search for the effective electron antineutrino mass with a sensitivity of 0.2 eV/c2 (90 % C.L.) using electrons from tritium β-decay.

First Tritium measurements were taken in Summer 2018 with the goal of commissioning the full KATRIN system with 1 % nominal tritium activity and demonstrating a global system stability on the 0.1 % level. In addition, the data provides the opportunity to investigate the β-spectrum for systematic effects and cross-check the analysis tools and strategies.

This talk gives an overview of the preliminary results from the high-level analysis of First Tritium measurements. In particular, I will discuss different analysis strategies, relevant systematic effects, and stability of the analysis results.

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