Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-11-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, 6 figures, added comments about magnetic moment form factor to Sec 3.1.2 and results to Sec 3.2.2, final version to
Scientific paper
We explore extensions of inelastic Dark Matter and Magnetic inelastic Dark Matter where the WIMP can scatter to a tower of heavier states. We assume a WIMP mass $m_\chi \sim \mathcal{O}(1-100)$ GeV and a constant splitting between successive states $\delta \sim\mathcal{O}(1 - 100)$ keV. For the spin-independent scattering scenario we find that the direct experiments CDMS and XENON strongly constrain most of the DAMA/LIBRA preferred parameter space, while for WIMPs that interact with nuclei via their magnetic moment a region of parameter space corresponding to $m_{\chi}\sim 11 $ GeV and $\delta < 15$ keV is allowed by all the present direct detection constraints.
Kumar Kunal
Menon Arjun
Tait Tim M. P.
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