Neutralino Mass Bounds in the Next-To-Minimal Supersymmetric Standard Model

Abstract

We analyze the experimental data from the search for new particles at LEP 100 and obtain mass bounds for the neutralinos of the Next--To--Minimal Supersymmetric Standard Model (NMSSM). We find that for $\tanβ\gsim 5.5$ a massless neutralino is still possible, while the lower mass bound for the second lightest neutralino corresponds approximately to that for the lightest neutralino in the Minimal Supersymmetric Standard Model (MSSM).

9 pages LATEX, 4 figures available upon request to [email protected], UWITP-94/2, UWThPh-1994-17

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• HIGGS PHENOMENOLOGY OF THE SUPERSYMMETRIC MODEL WITH A GAUGE SINGLET
• Naturalness bounds on gauge mediated soft terms
• Indirect detection of light neutralino dark matter in the NMSSM
• The Neutralino Sector of the Next-to-Minimal Supersymmetric Standard Model
• Hunting the lightest lightest neutralinos
• Neutralino Relic Density in a Supersymmetric U(1)' Model
• Implications of a Massless Neutralino for Neutrino Physics
• Collider signals from slow decays in supersymmetric models with an intermediate-scale solution to the mu problem
• Production and Decay of Neutralinos in the Next-To-Minimal Supersymmetric Standard Model
• Spontaneous CP Violation and Higgs Masses in the Next-to-Minimal Supersymmetric Model
• Production of singlino dominated neutralinos in extended supersymmetric models
• Mass Bounds for the Neutral Higgs Bosons in the Next-To-Minimal Supersymmetric Standard Model
• Baryogenesis from Domain Walls in the Next-to-Minimal Supersymmetric Standard Model
• Dark matter constraints on the parameter space and particle spectra in the nonminimal SUSY standard model
• Dark matter constraints in the minimal and nonminimal SUSY standard model
• Displaced Vertices in Extended Supersymmetric Models
• About direct Dark Matter detection in Next-to-Minimal Supersymmetric Standard Model
• Sfermion decays into singlets and singlinos in the NMSSM
• Dynamical relaxation of the CP phases in next-to-minimal supersymmetry
• Distinguishing between MSSM and NMSSM by combined LHC and ILC analyses
• Distinguishing between MSSM and NMSSM with eγScattering