Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-03-21
Phys.Rev.D62:095006,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages, latex, 11 eps-figures
Scientific paper
10.1103/PhysRevD.62.095006
The upper mass bound of the lightest neutral Higgs scalar is studied in the $\mu$ problem solvable extra U(1) models by using the analysis of the renormalization group equations. In order to restrict the parameter space we take account of a condition of the radiative symmetry breaking and some phenomenological constraints. We compare the bound obtained based on this restricted parameter space with the one of the next to the minimal supersymmetric standard model (NMSSM). Features of the scalar potential and renormalization group equations of the Yukawa couplings among Higgs chiral supermultiplets are rather different between them. They can reflect in this bound.
Daikoku Yasuhiro
Suematsu Daijiro
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