Electroweak Cogenesis

Abstract

We propose a simple renormalizable model of baryogenesis and asymmetric dark matter generation at the electroweak phase transition. Our setup utilizes the two Higgs doublet model plus two complex gauge singlets, the lighter of which is stable dark matter. The dark matter is charged under a global symmetry that is broken in the early universe but restored during the electroweak phase transition. Because the ratio of baryon and dark matter asymmetries is controlled by model parameters, the dark matter need not be light. Thus, new force carriers are unnecessary and the symmetric dark matter abundance can be eliminated via Higgs portal interactions alone. Our model places a rough upper bound on the dark matter mass, and has implications for direct detection experiments and particle colliders.

9 pages, 4 figures

References in corpus (5)

• Dark Matter Results from 225 Live Days of XENON100 Data
• Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
• Review of asymmetric dark matter
• Asymmetric Dark Matter from Leptogenesis
• Probing the charged Higgs boson at the LHC in the CP-violating type-II 2HDM

Cited by in corpus (15)

• Stable Bound States of Asymmetric Dark Matter
• CPV Phenomenology of Flavor Conserving Two Higgs Doublet Models
• Gravitational Wave Signals of Electroweak Phase Transition Triggered by Dark Matter
• Impact of a complex singlet: From dark matter to baryogenesis
• Bounds on self-interacting fermion dark matter from observations of old neutron stars
• Measuring extended Higgs sectors as a consistent free couplings model
• Strong First Order EWPT and Strong Gravitational Waves in $Z_3$-symmetric Singlet Scalar Extension
• New Insights of Electroweak Phase Transition in NMSSM
• Gravitational Waves, baryon asymmetry of the universe and electric dipole moment in the CP-violating NMSSM
• Electroweak Baryogenesis From Dark CP Violation
• Theories relating baryon asymmetry and dark matter: A mini review
• Dark CP Violation and Gauged Lepton/Baryon Number for Electroweak Baryogenesis
• Snowmass-2013 Cosmic Frontier 3 (CF3) Working Group Summary: Non-WIMP dark matter
• Direct signals from electroweak singlets through the Higgs portal
• Dark Matter and Electroweak Baryogenesis with Spontaneous $CP$ Violation in the Early Universe