Hidden sector dark matter explains the DAMA, CoGeNT, CRESST-II and CDMS/Si experiments
arXiv:1209.5602 · doi:10.1103/PhysRevD.88.025032
Abstract
We examine data from the DAMA, CoGeNT, CRESST-II and CDMS/Si direct detection experiments in the context of multi-component hidden sector dark matter. The models considered feature a hidden sector with two or more stable particles charged under an unbroken gauge interaction. The new gauge field can interact with the standard via renormalizable kinetic mixing, leading to Rutherford-type elastic scattering of the dark matter particles off ordinary nuclei. We consider the simplest generic model of this type, with a hidden sector composed of two stable particles, and . We find that this simple model can simultaneously explain the DAMA, CoGeNT, CRESST-II and CDMS/Si data. This explanation has some tension with the most recent results from the XENON100 experiment.
About 20 pages, Expanded to include new CDMS/Si data. Extends arXiv: 1203.2387 to more generic hidden sector models
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- Mirror dark matter: Cosmology, galaxy structure and direct detection
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