PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Neutrino Physics
Absolute neutrino mass as the missing link to the dark sector
T. de Boer*, M. Klasen, C. Rodenbeck and S. Zeinstra
Full text: pdf
Pre-published on: October 13, 2022
Published on: June 15, 2023
With the KATRIN experiment, the determination of the absolute neutrino mass scale down to cosmologically favored values has come into reach. We show that this measurement provides the missing link between the Standard Model and the dark sector in scotogenic models, where the suppression of the neutrino masses is economically explained by their only indirect coupling to the Higgs field. We determine the linear relation between the electron neutrino mass and the scalar coupling $\lambda_5$ associated with the dark neutral scalar mass splitting to be $\lambda_5=3.1\times10^{-9}\ m_{\nu_e}/$eV.
DOI: https://doi.org/10.22323/1.414.0553
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