Electroweak Baryogenesis, Electric Dipole Moments, and Higgs Diphoton Decays

Abstract

We study the viability of electroweak baryogenesis in a two Higgs doublet model scenario augmented by vector-like, electroweakly interacting fermions. Considering a limited, but illustrative region of the model parameter space, we obtain the observed cosmic baryon asymmetry while satisfying present constraints from the non-observation of the permanent electric dipole moment (EDM) of the electron and the combined ATLAS and CMS result for the Higgs boson diphoton decay rate. The observation of a non-zero electron EDM in a next generation experiment and/or the observation of an excess (over the Standard Model) of Higgs to diphoton events with the 14 TeV LHC run or a future $e^{+}{e}^{-}$ collider would be consistent with generation of the observed baryon asymmetry in this scenario.

arXiv comment22 pages, 3 figures

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Cited by in corpus (13)

• Electric Dipole Moments of the Atoms, Molecules, Nuclei and Particles
• Collider and Gravitational Wave Complementarity in Exploring the Singlet Extension of the Standard Model
• Symmetries Behind the 750 GeV Diphoton Excess
• Gravitational waves from the asymmetric-dark-matter generating phase transition
• Resonant Di-Higgs Production at Gravitational Wave Benchmarks: A Collider Study using Machine Learning
• Di-Higgs Production in the $4b$ Channel and Gravitational Wave Complementarity
• Gravitational wave and Collider searches for the EWSB patterns
• Electroweak Baryogenesis with Anomalous Higgs Couplings
• Electroweak Baryogenesis with Vector-like Leptons and Scalar Singlets
• CP Violation at the Finite Temperature
• Electroweak Baryogenesis in the Exceptional Supersymmetric Standard Model
• Theory of Dirac Dark Matter: Higgs Decays and EDMs
• Probing Dark Sector CP Violation with Electric Dipole Moments and Colliders