Baryogenesis From Flavon Decays

Abstract

Many popular attempts to explain the observed patterns of fermion masses involve a flavon field. Such weakly coupled scalar fields tend to dominate the energy density of the universe before they decay. If the flavon decay happens close to the electroweak transition, the right-handed electrons stay out of equilibrium until the sphalerons shut off. We show that an asymmetry in the right-handed charged leptons produced in the decay of a flavon can explain the baryon asymmetry of the universe.

References in corpus (5)

• Unified origin of baryons and dark matter
• Multicomponent Dark Matter from Gauge Symmetry
• Nucleosynthesis Predictions and High-Precision Deuterium Measurements
• The Flavor of Cosmology
• Equilibration of right-handed electrons

Cited by in corpus (8)

• Minimal Froggatt-Nielsen Textures
• Dark matter production through a non-thermal flavon portal
• Probing flavor violation and baryogenesis via primordial gravitational waves
• Flavon Magneto-Baryogenesis
• Simiplified textures of the seesaw model for the trimaximal neutrino mixings
• Relic Gravitational Waves from the Chiral Plasma Instability in the Standard Cosmological Model
• Magnetogenesis From Baryon Asymmetry During an Early Matter Dominated Era
• Cosmological Stasis from Field-Dependent Decay