Higgs boson signals in lambda-SUSY with a Scale Invariant Superpotential

Details Higgs boson signals in lambda-SUSY with a Scale Invariant Superpotential Higgs boson signals in lambda-SUSY with a Scale Invariant Superpotential

2011-05-26

arxiv.org/abs/1105.5389v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 22 figures

Scientific paper

We reconsider the lambda-SUSY model, in which the mass of the Higgs boson is raised already at tree level up to about 200 GeV via an additional interaction in the superpotential between the Higgs bosons and a Singlet, focusing on a scale invariant superpotential. After a detailed analysis of the allowed region in parameter space, which includes constraints coming from the absence of spontaneous CP violation and of unrealistic minima, we study the scalar mass spectrum, the production rate and the decay modes of the lightest scalar, finding that in general both the production rate and the Branching Ratio into gauge bosons can be reduced with respect of those of the standard Higgs, causing it to be hardly detected in the ?rst run of the LHC.

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