NMSSM neutralino dark matter

Details NMSSM neutralino dark matter NMSSM neutralino dark matter

2007-08-24

arxiv.org/abs/0708.3342v1

AIPConf.Proc.957:263-266,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures. Presented at 13th International Symposium on Particles, Strings and Cosmology (PASCOS 07), London, England

Scientific paper

10.1063/1.2823776

We study the viability of the lightest neutralino as a dark matter candidate in the Next-to-Minimal Supersymmetric Standard Model. Taking into account accelerator constraints as well as bounds on low-energy observables, and imposing consistency with present bounds on the neutralino relic density, we address the prospects for the direct detection of neutralino dark matter. We find regions of the allowed parameter space where the neutralino detection cross section is within the reach of dark matter detectors, essentially owing to the presence of very light singlet-like Higgses, and to either singlino dominated or very light neutralinos.

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