Electroweak phase transition in the standard model with a dimension-six Higgs operator at one-loop level

Abstract

The possibility of a strongly first-order electroweak phase transition by means of a dimension-six Higgs operator in the Higgs potential of the standard model is studied at finite temperature at the one-loop level. Exact calculation of the one-loop effective Higgs potential at finite temperature suggests that for the Higgs boson with its mass between 115 and 132 GeV the strongly first-order electroweak phase transition is possible if a dimension-six operator is present.

12 pages, 1 table, 4 figures

References in corpus (2)

• Electroweak Baryogenesis and Dark Matter in the nMSSM
• Electroweak phase transition in a nonminimal supersymmetric model

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