Uncertainty of the two-loop RG upper bound on the Higgs mass
Abstract
A modified criterion of the SM perturbative consistency is proposed. It is based on the analytic properties of the two-loop SM running couplings. Under the criterion adopted, the Higgs mass up to 380 GeV might not give rise to the strong coupling prior to the Planck scale. This means that the light Higgs boson is possibly preferred for reasons other than the SM peturbative consistency, i.e. for reasons beyond the SM.
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