When LEP and Tevatron combined with WMAP and XENON100 shed light on the nature of Dark Matter

Details When LEP and Tevatron combined with WMAP and XENON100 shed light on the nature of Dark Matter When LEP and Tevatron combined with WMAP and XENON100 shed light on the nature of Dark Matter

2011-06-23

arxiv.org/abs/1106.4819v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 6 figures

Scientific paper

Recently, several astrophysical data or would-be signals has been observed in different dark-matter oriented experiments. In each case, one could fit the data at the price of specific nature of the coupling between the Standard Model (SM) particles and a light Dark Matter candidate: hadrophobic (INTEGRAL, PAMELA) or leptophobic (WMAP Haze, dijet anomalies of CDF, FERMI Galactic Center observation). In this work, we show that when one takes into account the more recent LEP and Tevatron analysis, a light thermal fermionic Dark Matte (\lesssim 10 GeV) that couples to electrons is mainly ruled out if one combines the analysis with WMAP constraints. We also study the special case of scalar dark matter, using a mono-photon events simulation to constrain the coupling of dark matter to electron.

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