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T: Fachverband Teilchenphysik

T 12: Theorie: Flavourphysik / Neutrinophysik

T 12.6: Talk

Monday, March 19, 2018, 17:15–17:30, Z6 - SR 1.010

Type I Seesaw Neutrino Portal to Dark Matter — •Mathias Becker — TU Dortmund, Dortmund, Germany

The most popular model to explain the observed Dark Matter (DM) relic density assumes DM to couple to the SM via electroweak gauge interactions.

However, it is also possible that DM is an electroweak gauge singlet. In this case, to couple DM to the SM a mediator is required. One of the three renormalizable portal couplings is the neutrino portal, which also allows for the generation of the observed neutrino masses.

We explore neutrino portal DM, where the neutrino mass is generated by a type I seesaw mechanism and we investigate the case where the right handed neutrino is allowed to propagate in an extra dimension.