Minimal Flavour Seesaw Models
M.B. Gavela, T. Hambye, D. Hernandez, P. Hernandez

TL;DR
This paper investigates minimal flavour violation in lepton seesaw models, proposing a new implementation that links neutrino data to flavour structure and predicts rare processes like mu --> e gamma.
Contribution
It introduces a novel minimal flavour violation framework within seesaw models, connecting neutrino parameters to flavour structure and rare decay predictions.
Findings
MFV can be realized in type II and inverse seesaw models.
The new implementation allows reconstructing flavour structure from neutrino data.
Predictions for rare processes such as mu --> e gamma are experimentally accessible.
Abstract
We explore realizations of minimal flavour violation (MFV) for the lepton sector. We find that it can be realized within those seesaw models where a separation of the lepton number and lepton flavour violating scales can be achieved, such as type II and inverse seesaw models. We present in particular a simple implementation of the MFV hypothesis which differs in nature from those previously discussed. It allows to reconstruct the flavour structure of the model from the values of the light neutrino masses and mixing parameters, even in the presence of CP-violating phases. Experimentally reachable predictions for rare processes such as mu --> e gamma are given.
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