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An up-to-date view of lepton flavour observables
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Europe/Paris
Amphi. Recherche
Amphi. Recherche
Description
Lepton flavour observables provide precise pieces of information about physics beyond the Standard Model.
On the one hand, they shed light on the unification scale, where neutrino masses are plausibly generated. On the other hand, the new physics in the multi-TeV energy range is strongly constrained by the bounds on lepton flavour violation.
Finally, leptons may feebly couple to new particles much lighter than the electroweak scale.
In this talk, I will briefly review our present knowledge of lepton masses and mixing angles.
Then, I will investigate to what extent we can explain the data in terms of an underlying flavour symmetry.
It turns out that viable flavour models exist, that are sufficiently minimal to provide sharp predictions for future observables.
