Model dependence of the cosmological upper bound on the Higgs-boson mass

Journal Article · Tue Jan 15 04:00:00 EST 1991 · Physical Review, D (Particles Fields); (USA)

DOI:https://doi.org/10.1103/PhysRevD.43.369· OSTI ID:6099406

Bochkarev, A I; Kuzmin, S V ^[1]; Shaposhnikov, M E ^[2]

---

1. Institute for Nuclear Research of the U.S.S.R. Academy of Sciences, Moscow 117312, U.S.S.R. (SU)
2. Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, Copenhagen O, (Denmark)

We consider an electroweak scenario for baryon asymmetry generation in an extended model with two Higgs doublets. The upper bound on the mass of the lightest Higgs boson is obtained. It is shown to coincide with that of the theory with one Higgs doublet, namely, {ital m}{sub {ital H}}{lt}{ital m}{sub cr}{congruent}45 GeV, if the masses of all Higgs bosons do not exceed the mass of the {ital W} boson substantially. Otherwise the upper bound is shown still to exist but is greater than {ital m}{sub cr} and depends on the actual values of the scalar-field self-coupling constants.

• OSTI ID: 6099406
• Journal Information: Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 43:2; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

640106 -- Astrophysics & Cosmology-- Cosmology
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645400 -- High Energy Physics-- Field Theory
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
BARYONS
COSMOLOGICAL MODELS
COUPLING CONSTANTS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
GRAND UNIFIED THEORY
HADRONS
HIGGS BOSONS
MASS
MATHEMATICAL MODELS
PARTICLE MODELS
PHASE TRANSFORMATIONS
POSTULATED PARTICLES
QUARKS
RENORMALIZATION
SCALAR FIELDS
SUPERSYMMETRY
SYMMETRY
TOP PARTICLES
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEINBERG-SALAM GAUGE MODEL