Mirror dark matter interpretations of the DAMA, CoGeNT and CRESST-II data
arXiv:1203.2387 · doi:10.1103/PhysRevD.86.023524
Abstract
The CRESST-II collaboration have announced evidence for the direct detection of dark matter in 730 kg-days exposure of a CaWO target. We examine these new results, along with DAMA and CoGeNT data, in the context of the mirror dark matter framework. We show that all three experiments can be simultaneously explained via kinetic mixing induced elastic scattering of a mirror metal component off target nuclei. This metal component can be as heavy as Fe if the galactic rotational velocity is relatively low: km/s. This explanation is consistent with the constraints from the other experiments, such as CDMS/Ge, CDMS/Si and XENON100 when modest uncertainties in energy scale are considered.
20 pages, minor changes, a minor mistake fixed
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