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14:30
The Neutrino Portal: sterile neutrinos, cosmology and other signatures
Luca Vecchi (EPFL)
I discuss scenarios in which a dark light sector couples to the Standard Model via the so-called “neutrino portal”. A generic implication of this framework is the existence of gauge-singlet fermions (sterile neutrinos) that act as messengers between the dark sector and the active neutrinos. I show under which conditions cosmological constraints become inefficient and …
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