Light Magnetic Dark Matter in Direct Detection Searches

Details Light Magnetic Dark Matter in Direct Detection Searches Light Magnetic Dark Matter in Direct Detection Searches

2012-03-29

arxiv.org/abs/1203.6652v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, 5 figures

Scientific paper

We study a fermionic Dark Matter particle carrying magnetic dipole moment and analyze its impact on direct detection experiments. In particular we show that it can accommodate the DAMA, CoGeNT and CRESST experimental results. Assuming conservative bounds, this candidate is shown not to be ruled out by the CDMS, XENON and PICASSO experiments. We offer an analytic understanding of how the long-range interaction modifies the experimental allowed regions, in the cross section versus Dark Matter mass parameter space, with respect to the typically assumed contact interaction. Finally, in the context of a symmetric Dark Matter sector, we determine the associated thermal relic density, and further provide relevant constraints imposed by indirect searches and colliders.

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