Electroweak phase transition in the minimal supersymmetric standard model with four generations

2004/11/30 by S. W. Ham, S. K. Oh, S. K. OH +2 · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.1103/physrevd.71.015001

published as Phys.Rev. D71 (2005) 015001 · 12 pages, 2 tables, 2 figures

arxiv created 2004/12/20 · openalex publication_date 2005/01/03 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

By assuming the existence of the sequential fourth generation to the minimal supersymmetric standard model (MSSM), we study the possibility of a strongly first-order electroweak phase transition. We find that there is a parameter region of the MSSM where the electroweak phase transition is strongly first order. In that parameter region, the mass of the lighter scalar Higgs boson is calculated to be above the experimental lower bound, and the scalar quarks of the third and the fourth generations are heavier than the corresponding quarks.

Citations

• Real Higgs singlet and the electroweak phase transition in the standard model
• Dark matter, light top squarks, and electroweak baryogenesis
• Opening the window for electroweak baryogenesis
• Four-generation low energy supersymmetry with a light top quark
• Progress in Electroweak Baryogenesis
• Final results from DELPHI on the searches for SM and MSSM neutral Higgs bosons
• Electroweak phase transition in two Higgs doublet models
• Radiative Corrections as the Origin of Spontaneous Symmetry Breaking
• On anomalous electroweak baryon-number non-conservation in the early universe

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