The constrained NMSSM: mSUGRA and GMSB

Details The constrained NMSSM: mSUGRA and GMSB The constrained NMSSM: mSUGRA and GMSB

2008-09-04

arxiv.org/abs/0809.0779v1

AIP Conf.Proc.1078:73-78,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 5 Figures. Plenary talk given at SUSY 08

Scientific paper

10.1063/1.3052054

We review different constrained versions of the NMSSM: the fully constrained cNMSSM with universal boundary conditions for gauginos and all soft scalar masses and trilinear couplings, and the NMSSM with soft terms from Gauge Mediated Supersymmetry Breaking. Regarding the fully constrained cNMSSM, after imposing LEP constraints and the correct dark matter relic density, one single parameter is sufficient to describe the entire Higgs and sparticle spectrum of the model, which then contains always a singlino LSP. The NMSSM with soft terms from GMSB is phenomenologically viable if (and only if) the singlet is allowed to couple directly to the messenger sector; then various ranges in parameter space satisfy constraints from colliders and precision observables. Motivations for and phenomenological features of extra U(1)' gauge symmetries are briefly reviewed.

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