[W09] Carlos E. Yaguna: Dark matter, neutrino masses and LFV processes in the scotogenic model

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Dark matter, neutrino masses and LFV processes in the scotogenic model

Speaker
Carlos E. Yaguna, Max-Planck-Institute für Kernphysik (MPIK), Heidelberg

Host
Germán A. Gomez Vargas, PUC-Chile and INFN Tor Vergata

Abstract
We study the impact that future lepton flavor violating experiments will have on the viable parameter space of the scotogenic model. Within this model, the dark matter particle is assumed to be the lightest singlet fermion and two cases are considered depending on how its relic density is obtained: via self-annihilations or via coannihilations with the scalars. For each case, a scan over the parameter space of the model is used to obtain a large sample of viable points, which we subsequently analyze. We find that future lepton flavor violating experiments, in particular those searching for μ→3e and μ-e conversion in nuclei, will probe the parameter space of the scotogenic model in a significant way. They may exclude a large fraction of the models where the dark matter density is determined by coannihilations, and could rule out all the models where it is determined by annihilations.

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