Two-Higgs Leptonic Minimal Flavour Violation

Abstract

We construct extensions of the Standard Model with two Higgs doublets, where there are flavour changing neutral currents both in the quark and leptonic sectors, with their strength fixed by the fermion mixing matrices $V_{CKM}$ and $V_{PMNS}$. These models are an extension to the leptonic sector of the class of models previously considered by Branco, Grimus and Lavoura, for the quark sector. We consider both the cases of Dirac and Majorana neutrinos and identify the minimal discrete symmetry required in order to implement the models in a natural way.

25 pages. No figures

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• Theory and phenomenology of two-Higgs-doublet models
• Minimal Flavour Seesaw Models
• Various definitions of Minimal Flavour Violation for Leptons
• Minimal flavour violation extensions of the seesaw
• Abelian symmetries in the two-Higgs-doublet model with fermions
• The B -> Xs gamma Rate and CP Asymmetry within the Aligned Two-Higgs-Doublet Model
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Cited by in corpus (34)

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• Extending Trinity to the Scalar Sector through Discrete Flavoured Symmetries
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• Spontaneous symmetry breaking in three-Higgs-doublet $S_3$-symmetric models
• Implications of symmetries in the scalar sector
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• Natural Quasi-Alignment with two Higgs Doublets and RGE Stability
• The discrete charm of flavour and CP violation
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