Direct Dark Matter Detection with Velocity Distribution in the Eddington approach

Details Direct Dark Matter Detection with Velocity Distribution in the Eddington approach Direct Dark Matter Detection with Velocity Distribution in the Eddington approach

2006-03-26

arxiv.org/abs/astro-ph/0603704v2

Phys.Rev.D75:043503,2007

Astronomy and Astrophysics

Astrophysics

21 LaTex pages, 27 figures

Scientific paper

10.1103/PhysRevD.75.043503

Exotic dark matter together with the vacuum energy (associated with the cosmological constant) seem to dominate the Universe. Thus its direct detection is central to particle physics and cosmology. Supersymmetry provides a natural dark matter candidate, the lightest supersymmetric particle (LSP). One essential ingredient in obtaining the direct detection rates is the density and the velocity distribution of the LSP in our vicinity. In the present paper we study simultaneously density profiles and velocity distributions in the context of the Eddington approach. In such an approach, unlike the commonly assumed Maxwell-Boltzmann (M-B) distribution, the upper bound of the velocity arises naturally from the potential.

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