Sphalerons in the Standard Model with a real Higgs singlet

Abstract

Sphaleron energies within the standard model with a real Higgs singlet added on are calculated. The coupled non-linear equations of motion are numerically solved and the sphaleron energy evaluated for a set of parameters in the Higgs potential. I find a small difference in the sphaleron energy compared to the standard model. A slightly stronger constraint on the strength of the first order phase transition thus results for this model.

10 pages of LaTex. The figure is now in uuencoded postscript form. (UM-P-94/102, RCHEP-94/27)

References in corpus (6)

• Progress in Electroweak Baryogenesis
• Standard Model CP-violation and Baryon asymmetry
• Baryon Asymmetry of the Universe in the Standard Model
• Real Higgs singlet and the electroweak phase transition in the standard model, (UM-P-93/80, OZ-93/20)
• Quantum Fluctuations around the Electroweak Sphaleron
• Sphalerons at finite temperature

Cited by in corpus (10)

• Singlet Higgs Phenomenology and the Electroweak Phase Transition
• What is the Criterion for a Strong First Order Electroweak Phase Transition in Singlet Models?
• Electroweak phase transition in an extension of the standard model with a real Higgs singlet
• Improved sphaleron decoupling condition and the Higgs coupling constants in the real singlet-extended SM
• Strongly first order phase transition in the singlet fermionic dark matter model after LUX
• Electroweak phase transition in the MSSM with four generations
• Electroweak phase transition in the standard model with a dimension-six Higgs operator at one-loop level
• Sphalerons and the Electroweak Phase Transition in Models with Higher Scalar Representations
• Sphalerons on Orbifolds
• Sphaleron in the Higgs Triplet Model