Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-13
Phys. Lett. B 710 (2012) 201
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 4 figures. v3: Extended discussion on heavy Higgs case, agrees with published version
Scientific paper
10.1016/j.physletb.2012.02.084
Recent results reported by the ATLAS and CMS experiments on the search for a SM-like Higgs boson both show an excess for a Higgs mass near 125 GeV, which is mainly driven by the \gamma\gamma\ and ZZ^* decay channels, but also receives some support from channels with a lower mass resolution. We discuss the implications of this possible signal within the context of the minimal supersymmetric Standard Model (MSSM), taking into account previous limits from Higgs searches at LEP, the Tevatron and the LHC. The consequences for the remaining MSSM parameter space are investigated. Under the assumption of a Higgs signal we derive new lower bounds on the tree-level parameters of the MSSM Higgs sector. We also discuss briefly an alternative interpretation of the excess in terms of the heavy CP-even Higgs boson, a scenario which is found to be still viable.
Heinemeyer Sven
Stål Oscar
Weiglein Georg
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