Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-03-21
Prog.Theor.Phys.104:827-833,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, latex, 4 eps-figures
Scientific paper
10.1143/PTP.104.827
We study the upper mass bound of the lightest neutral Higgs scalar in the NMSSM using the RGE analysis. We require the successful occurence of the electroweak radiative symmetry breaking to restrict the parameter space. As a result the upper mass bound $m_{h^0}$ is largely restricted compared with the one estimated without imposing this condition. We point out some features of $m_{h^0}$ related to the initial value of $h_t$ and discuss why the models with more extra matters ${\bf 5}+\bar{\bf 5}$ of SU(5) could bring the larger maximum value of $m_{h^0}$.
Daikoku Yasuhiro
Suematsu Daijiro
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