The Gaugephobic Higgs

Details The Gaugephobic Higgs The Gaugephobic Higgs

2006-11-29

arxiv.org/abs/hep-ph/0611358v1

JHEP 0702:036,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 3 figures

Scientific paper

10.1088/1126-6708/2007/02/036

We present a class of models that contains Randall-Sundrum and Higgsless models as limiting cases. Over a wide range of the parameter space WW scattering is mainly unitarized by Kaluza-Klein partners of the W and Z, and the Higgs particle has suppressed couplings to the gauge bosons. Such a gaugephobic Higgs can be significantly lighter than the 114 GeV LEP bound for a standard Higgs, or heavier than the theoretical upper bound. These models predict a suppressed single top production rate and unconventional Higgs phenomenology at the LHC: the Higgs production rates will be suppressed and the Higgs branching fractions modified. However, the more difficult the Higgs search at the LHC is, the easier the search for other light resonances (like Z', W', t', exotic fermions) will be.

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