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arXiv · hep-ph/9307334

Unitarity of the Standard Model at the Higgs' Resonance

J. Sirkka·I. Vilja
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Abstract

We compute a unitarity bound for higgs mass using one--loop corrected s--wave partial amplitude for $Z_L Z_L \rightarrow Z_L Z_L$ scattering. We use the equivalence theorem and show that the higgs mass has to be less than $\approx 600$ GeV in order to save the (perturbative) unitarity in the higgs' resonance region. We also discuss about the validity of perturbation expansion in the symmetry breaking sector.

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J. Sirkka, I. Vilja. 1993-07-26. Unitarity of the Standard Model at the Higgs' Resonance. https://doi.org/10.1016/0370-2693(93)90337-h

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