Triviality and stability in effective theories
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In this talk we consider the modifications induced by heavy physics on the triviality and vacuum stability bounds on the Higgs-boson mass. We parameterize the heavy interactions using an effective Lagrangian and find that the triviality bound is essentially unaffected for weakly-coupled heavy physics. In contrast there are significant modifications in the stability bound that for a light Higgs boson require a scale of new physics of the order of a few TeV.
Talk presented at the HEP2001 conference 5 pages, 3 figures. Requires JHEP3.cls (available at http://jhep.sissa.it/JOURNAL/tex.html)
Talk presented at the HEP2001 conference 5 pages, 3 figures. Requires JHEP3.cls (available at http://jhep.sissa.it/JOURNAL/tex.html)