Hints for a non-standard Higgs boson from the LHC

Details Hints for a non-standard Higgs boson from the LHC Hints for a non-standard Higgs boson from the LHC

2011-08-24

arxiv.org/abs/1108.4903v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures. Final version to appear on PRD

Scientific paper

We reconsider Higgs boson invisible decays into Dark Matter in the light of recent Higgs searches at the LHC. Present hints in the CMS and ATLAS data favor a non-standard Higgs boson with approximately 50% invisible branching ratio, and mass around 143 GeV. This situation can be realized within the simplest thermal scalar singlet Dark Matter model, predicting a Dark Matter mass around 50 GeV and direct detection cross section just below present bound. The present runs of the Xenon100 and LHC experiments can test this possibility.

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