CoGeNT, DAMA, and Neutralino Dark Matter in the Next-To-Minimal Supersymmetric Standard Model

Abstract

We assess the extent to which the NMSSM can allow for light dark matter in the $2\gev\lsim \mcnone\lsim 12\gev$ mass range with correct relic density and large spin-independent direct-detection cross section, $\sigsi$, in the range suggested by \cogent\ and DAMA. For standard assumptions regarding nucleon $s$-quark content and cosmological relic density, $\rho$, we find that the NMSSM falls short by a factor of about 10 to 15 (3 to 5) without (with) significant violation of the current $(g-2{)}_{\mu }$ constraints.

arXiv comment14 pages, 10 figures

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• XENON100 Implications for Naturalness in the MSSM, NMSSM and lambda-SUSY
• Light Dark Matter and the Electroweak Phase Transition in the NMSSM
• Implications of CoGeNT's New Results For Dark Matter
• Origins of the Isospin Violation of Dark Matter Interactions
• Light Dark Matter, Light Higgs and the Electroweak Phase Transition
• CoGeNT, DAMA, and Light Neutralino Dark Matter
• Light Neutralino in the MSSM: a playground for dark matter, flavor physics and collider experiments
• Minimal hidden sector models for CoGeNT/DAMA events
• Cosmic-ray antiproton constraints on light singlino-like dark matter candidates
• Loop-induced photon spectral lines from neutralino annihilation in the NMSSM
• Goldstone Fermion Dark Matter
• A possible connection between neutrino mass generation and the lightness of a NMSSM pseudoscalar
• Light neutralino dark matter in light Higgs scenario related with the CoGeNT and DAMA/LIBRA results
• Cosmic ray constraints on singlino-like dark matter candidates