How to Put a Heavier Higgs on the Lattice
U. M. Heller, H. Neuberger, P. Vranas
Abstract
Lattice work, exploring the Higgs mass triviality bound, seems to indicate that a strongly interacting scalar sector in the minimal standard model cannot exist while low energy QCD phenomenology seems to indicate that it could. We attack this puzzle using the 1/N expansion and discover a simple criterion for selecting a lattice action that is more likely to produce a heavy Higgs particle. Our large N calculation suggests that the Higgs mass bound might be around 850 GeV, which is about 30% higher than previously obtained.
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