Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-06-07
Phys.Rev.D72:115005,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 18 figures
Scientific paper
10.1103/PhysRevD.72.115005
Recently, it has been pointed out that two different excesses of events observed at LEP could be interpreted as the CP-even Higgs bosons of the MSSM with masses of approximately 98 and 114 GeV. If this is the case, the entire MSSM Higgs sector is required to be light. In this article, we explore such a scenario in detail. We constrain the Higgs and supersymmetric spectrum using $B$ physics constraints as well as the magnetic moment of the muon. We then point out the implications for neutralino dark matter -- next generation direct detection experiments will be sensitive to all MSSM models with such a Higgs sector. Finally, we find that all models outside of a very narrow corridor of the parameter space have a charged Higgs boson which will be observed at the LHC. In those exceptional models which do not contain an observable charged Higgs, a light top squark will always be seen at the LHC, and likely at the Tevatron.
Hooper Dan
Plehn Tilman
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