Supersymmetry without a light Higgs boson at the LHC

Details Supersymmetry without a light Higgs boson at the LHC Supersymmetry without a light Higgs boson at the LHC

2007-10-30

arxiv.org/abs/0710.5750v2

Phys.Rev.D77:055006,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, 19 figures

Scientific paper

10.1103/PhysRevD.77.055006

We analyze the LHC phenomenology of lambdaSUSY - a version of NMSSM with a largish SH1H2 coupling. The scalar spectrum of the model contains a 200-300 GeV Higgs boson h with Standard-Model like properties, and heavy CP-even and CP-odd Higgs bosons H and A with masses in 500-800 GeV range. We study the discovery potential of H and A in the decay chains H->hh->4V->2l6j and A->Zh->Z2V->2l4j. The dominant backgrounds are the diffuse Z6j and Z4j productions, which can be suppressed by demanding reconstruction of V's and h's in intermediate states. The excess of signal events allows for a discovery of both H and A with over 5sigma significance for 100 inverse fb of integrated luminosity.

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