The role of lepton flavor symmetries in leptogenesis

Abstract

The presence of flavor symmetries in the lepton sector may have several consequences for the generation of the baryon asymmetry of the Universe via leptogenesis. We review the mechanism in general type-I, type-II and type-III seesaw models. We then turn to the discussion of the cases when the asymmetry is generated in the context of seesaw models extended with flavor symmetries, before or after flavor symmetry breaking. Finally we explain how the interplay between type-I and type-II seesaws can (or not) lead to viable models for leptogenesis even when there is an exact mixing pattern enforced by the flavor symmetry.

31 pages, 7 figures; version 2: references added. Review prepared for the special issue of the journal Fortschritte der Physik (Progress of physics) on "Flavor Symmetries and Neutrino Oscillations"

References in corpus (16)

• Leptogenesis
• Flavour Matters in Leptogenesis
• A Simplest A4 Model for Tri-Bimaximal Neutrino Mixing
• Flavour-Dependent Leptogenesis with Sequential Dominance
• Nonzero U_{e3}, CP violation and leptogenesis in a see-saw type softly broken A_4 symmetric model
• The Minimal Phantom Sector of the Standard Model: Higgs Phenomenology and Dirac Leptogenesis
• Ultraviolet Completion of Flavour Models
• Sommerfeld corrections to type-II and III leptogenesis
• CP violation in scatterings, three body processes and the Boltzmann equations for leptogenesis
• Resonant leptogenesis and tribimaximal leptonic mixing with A4 symmetry
• Flavor symmetries, leptogenesis and the absolute neutrino mass scale
• Implications of Flavor Dynamics for Fermion Triplet Leptogenesis
• A dynamical approach to link low energy phases with leptogenesis
• Tri-bi-maximal mixing in viable family symmetry unified model with extended seesaw
• Variations on leptogenesis
• Leptonic mixing, family symmetries, and neutrino phenomenology

Cited by in corpus (6)

• A review of mu-tau flavor symmetry in neutrino physics
• Spontaneous CP Violation in $A_4$ Flavor Symmetry and Leptogenesis
• Spontaneous CP Violation in Lepton-sector: a common origin for ${\theta }_{13}$, Dirac CP phase and leptogenesis
• Scalar triplet leptogenesis in the presence of right-handed neutrinos with S3 symmetry
• Scalar triplet leptogenesis without right-handed neutrino decoupling
• Neutrino Masses and Mixings from Continuous Symmetries