PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Dark Matter
Sterile neutrino dark matter in the super-weak model
K. Seller
Full text: pdf
Pre-published on: October 28, 2022
Published on: June 15, 2023
The super-weak model is a U(1) extension of the Standard Model.
In addition to a mediator $Z'$, a singlet scalar field $\chi$ is added to deal with the meta-stability of the SM vacuum, and right-handed neutrinos are introduced to account for the non-vanishing neutrino masses.
We demonstrate that the lightest right-handed neutrino is a possible dark matter candidate with masses of $\mathcal{O}(10)~\mathrm{MeV}$ via the resonant freeze-out scenario.
The dark matter production is explored and the available parameter space is discussed from the point of view of various experiments and beyond SM aspects.
DOI: https://doi.org/10.22323/1.414.0290
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