Sphalerons in the Standard Model with a real Higgs singlet

Details Sphalerons in the Standard Model with a real Higgs singlet Sphalerons in the Standard Model with a real Higgs singlet

1994-09-20

arxiv.org/abs/hep-ph/9409360v2

Phys.Lett.B345:253-258,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/0370-2693(94)01654-U

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.

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