Author

M. Drewes

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Preprint Sep 2026

Consistent treatment of flavour-specific neutrino self-interactions in cosmology

We study the impact of flavour-specific neutrino self-interactions on the CMB anisotropy spectrum and consistently take into account neutrino mixing. Starting from the neutrino quantum kinetic equations, we derive the neutrino Boltzmann hierarchies for the neutrino mass states. Our work shows that most scenarios of fla...

G. Barenboim, M. Drewes, Isabel M. Oldengott · 0 citations

Preprint Sep 2026

Sterile Neutrino Dark Matter Cries for GeV Heavy Neutral Leptons

The ordinary and dark matter in the Universe may share a common origin in the framework of a minimal extension of the Standard Model by three right-handed neutrinos. A pair of such heavy neutral leptons (HNLs) can give masses to neutrinos, generate the baryon asymmetry at the electroweak scale and produce a large lepto...

M. Drewes, Y. Georis, J. Klari'c et al. · 0 citations