Phenomenology of the General NMSSM with Gauge Mediated Supersymmetry Breaking

Details Phenomenology of the General NMSSM with Gauge Mediated Supersymmetry Breaking Phenomenology of the General NMSSM with Gauge Mediated Supersymmetry Breaking

2008-03-20

arxiv.org/abs/0803.2962v2

JHEP0805:044,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 6 figures, typos corrected, reference added

Scientific paper

10.1088/1126-6708/2008/05/044

We investigate various classes of Gauge Mediated Supersymmetry Breaking models and show that the Next-to-Minimal Supersymmetric Standard Model can solve the mu-problem in a phenomenologically acceptable way. These models include scenarios with singlet tadpole terms, which are phenomenologically viable, e.g., in the presence of a small Yukawa coupling <~ 10^{-5}. Scenarios with suppressed trilinear A-terms at the messenger scale lead naturally to light CP-odd scalars, which play the r\^ole of pseudo R-axions. A wide range of parameters of such models satisfies LEP constraints, with CP-even Higgs scalars below 114 GeV decaying dominantly into a pair of CP-odd scalars.

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