First-order electroweak phase transition powered by additional F-term loop effects in an extended supersymmetric Higgs sector

Abstract

We investigate the one-loop effect of new charged scalar bosons on the Higgs potential at finite temperatures in the supersymmetric standard model with four Higgs doublet chiral superfields as well as a pair of charged singlet chiral superfields. In this model, the mass of the lightest Higgs boson $h$ is determined only by the D-term in the Higgs potential at the tree-level, while the triple Higgs boson coupling for $hhh$ can receive a significant radiative correction due to nondecoupling one-loop contributions of the additional charged scalar bosons. We find that the same nondecoupling mechanism can also contribute to realize stronger first order electroweak phase transition than that in the minimal supersymmetric standard model, which is definitely required for a successful scenario of electroweak baryogenesis. Therefore, this model can be a new candidate for a model in which the baryon asymmetry of the Universe is explained at the electroweak scale.

8 pages, 4 figures; v2: references added and minor modifications, version to appear in PLB

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• Strong First Order EWPT and Strong Gravitational Waves in $Z_3$-symmetric Singlet Scalar Extension
• Gravitational waves from first order electroweak phase transition in models with the $U(1{)}_X^{}$ gauge symmetry
• Gravitational Waves from Phase Transitions in Models with Charged Singlets
• Probing first-order electroweak phase transition via primordial black holes in the effective field theory
• Singlino-driven Electroweak Baryogenesis in the Next-to-MSSM
• Electroweak Baryogenesis in R-symmetric Supersymmetry
• Electroweak phase transition and Higgs boson couplings in the model based on supersymmetric strong dynamics
• Probing Electroweak Baryogenesis induced by extra bottom Yukawa coupling via EDMs and collider signatures
• Radiative neutrino mass, dark matter and electroweak baryogenesis from the supersymmetric gauge theory with confinement
• Discerning Singlet and Triplet scalars at the electroweak phase transition and Gravitational Wave
• Probing CP violating Higgs sectors via the precision measurement of coupling constants
• A light Higgs scenario based on the TeV-scale supersymmetric strong dynamics
• A UV complete model for radiative seesaw and electroweak baryogenesis based on the SUSY gauge theory
• Light Neutralino Dark Matter Scenario in Supersymmetric Four-Higgs Doublet Model
• Two Higgs bosons near 125 GeV in the complex NMSSM and the LHC Run-I data