Abstract

In the Glashow-Salam-Weinberg model with single Higgs doublet, upper bounds on the Higgs-boson mass and the coupling constant are obtained: ${m}_{\mathrm{H}}<~455$ GeV, $\ensuremath{\lambda}<~32.8$ based on one-loop radiative corrections and the existence of the spontaneously broken absolute vacuum. Under two-loop radiative corrections, these bounds are improved to ${m}_{\mathrm{H}}<~320$ GeV, $\ensuremath{\lambda}<~9.35$.

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