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Thesis

First Sub-Electronvolt Direct Neutrino Mass Measurement with the KATRIN Experiment

MPS-Authors

Karl,  Christian
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Karl, C. (2022). First Sub-Electronvolt Direct Neutrino Mass Measurement with the KATRIN Experiment. PhD Thesis, TU München, München.


Cite as: https://hdl.handle.net/21.11116/0000-000C-B4B5-C
Abstract
While neutrino oscillations have proven that neutrinos have mass, they cannot assess its absolute value. The KATRIN experiment measures the neutrino mass directly using the kinematics of beta-decay. This thesis applies a novel analysis approach based on Monte Carlo propagation of uncertainty to the first two measurement phases, limiting the neutrino mass to less than 0.8 eV (90% CL). In addition, a future proof analysis approximating the KATRIN model with a neural network is explained.