Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 43: Neutrino physics without accelerators II

T 43.5: Talk

Tuesday, March 16, 2021, 17:00–17:15, Tr

Lorentz invariance violation (LV) at the KATRIN experiment — •Johannes Wickles for the KATRIN collaboration — Max-Planck-Institut für Physik, München

The KArlsruhe TRItium Neutrino (KATRIN) experiment uses the MAC-E filter principle to determine the mass of the neutrino in the beta-decay of Tritium. Besides measuring the neutrino mass, KATRIN offers insights into physics beyond the Standard Model. The violation of Lorentz invariance (LV) would manifest itself as a temporal oscillation of the spectral endpoint with siderial time. In this contribution first sensitivity studies based on MC data are presented. We will illustrate the analysis method and the impact of systematic uncertainties. The sensitivity of the first neutrino mass data set and the final KATRIN experiment will be presented.