Supersymmetry without a light Higgs boson but with a light pseudoscalar

Details Supersymmetry without a light Higgs boson but with a light pseudoscalar Supersymmetry without a light Higgs boson but with a light pseudoscalar

2011-05-26

arxiv.org/abs/1105.5248v3

Int. J. Mod. Phys. A26 (2011) 4053-4065

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures. v3: Conforms to published version

Scientific paper

10.1142/S0217751X11054103

We consider the lambda-SUSY model, a version of the NMSSM with large lambda H_1 H_2 S coupling, relaxing the approximation of large singlet mass and negligible mixing of the scalar singlet with the scalar doublets. We show that there are regions of the parameter space in which the lightest pseudoscalar can be relatively light, with unusual consequences on the decay pattern of the CP-even Higgs bosons and thus on the LHC phenomenology.

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