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arxiv: hep-ph/9308234 · v2 · submitted 1993-08-06 · ✦ hep-ph

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Real Higgs singlet and the electroweak phase transition in the standard model, (UM-P-93/80, OZ-93/20)

J. Choi , R. R. Volkas
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classification ✦ hep-ph
keywords higgsfindmodelrealsingletstandardtransitionabove
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The effective potential at finite temperature is constructed within the minimal standard model when a real Higgs singlet is added on. We find that a region of parameter space exists for which one can find a first order transition strong enough to prevent the erasure due to sphalerons of baryon asymmetry, while keeping the mass of the smallest Higgs boson above the experimental lower bound of about 60 GeV.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Electroweak phase transitions in a $U(1)_D$ extension of the standard model with dimension-six operators: Gravitational waves and LHC signatures

    hep-ph 2026-03 unverdicted novelty 5.0

    A dimension-six operator |H|^2|phi|^4 in a U(1)_D singlet extension relaxes the usual Higgs-portal and mixing-angle correlation, enabling strong first-order electroweak phase transitions driven primarily by the singlet VEV.