Seminars IFIC

IFIC Seminar: Probing New Physics Hidden in the Lepton Sector

by Patrick Bolton (SISSA & INFN)

Primera-1-1-1 - Paterna. Seminario (IFIC)

Primera-1-1-1 - Paterna. Seminario



In this talk, I will review recent work examining how measurements in the lepton sector can provide complementary constraints on new physics. The elephant in the room is the presence of tiny neutrino masses, which cannot be explained in the Standard Model. Taking a phenomenological approach, I will review how neutrino masses can be generated via the canonical type-I or inverse seesaw mechanisms and the constraints on the mixings and masses of the heavy neutral leptons, with a particular focus on those from neutrinoless double beta (0vbb) decay. I will then discuss the intriguing possibility of distinguishing the Dirac vs. Majorana nature of these states by detecting outgoing photons at coherent elastic neutrino-nucleus scattering (CEvNS) experiments. Finally, I will examine how searches for rare processes, such as 0vbb and charged lepton flavour violating decays, can be used to constrain other extensions, such as light neutralinos in R-parity violating models.

Organized by

IFIC seminar organizers

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