Limits on the mass of the lightest Higgs boson in supersymmetric models

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Abstract

In supersymmetric models extended with a gauge singlet, the mass of the lightest Higgs boson has contributions proportional to the adimensional coupling (Formula presented) In minimal scenarios, the requirement that this coupling remains perturbative up to the unification scale constrains (Formula presented) to be smaller than (Formula presented) We study the maximum value of (Formula presented) consistent with a perturbative unification of the gauge couplings in models containing nonstandard fields at intermediate scales. These fields appear in scenarios with gauge mediation of supersymmetry breaking. We find that the presence of extra fields can raise the maximum value of (Formula presented) up to 19%, increasing the limits on the mass of the lightest Higgs boson from 135 GeV to 155 GeV. © 1998 The American Physical Society.
Original languageEnglish
Pages (from-to)R5340-R5344
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume57
DOIs
Publication statusPublished - 1 Jan 1998

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