Discriminating dark matter candidates using direct detection

Details Discriminating dark matter candidates using direct detection Discriminating dark matter candidates using direct detection

2008-10-08

arxiv.org/abs/0810.1362v1

Phys.Rev.D79:015008,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 7 figures

Scientific paper

10.1103/PhysRevD.79.015008

We examine the predictions for both the spin dependent and spin independent direct detection rates in a variety of new particle physics models with dark matter candidates. We show that a determination of both spin independent and spin dependent amplitudes on protons and neutrons can in principle discriminate different candidates of dark matter up to a few ambiguities. We emphasize the importance of making measurements with different spin dependent sensitive detector materials and the need for significant improvement of the detector sensitivities. Scenarii where exchange of new coloured particles contributes significantly to the elastic scattering cross sections are often the most difficult to identify, the LHC should give an indication whether such scenarii are relevant for direct detection.

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