X-ray Radiation from the Annihilation of Dark Matter at the Galactic Center

Details X-ray Radiation from the Annihilation of Dark Matter at the Galactic Center X-ray Radiation from the Annihilation of Dark Matter at the Galactic Center

2006-07-14

arxiv.org/abs/astro-ph/0607327v2

Phys.Rev. D74 (2006) 123515

Astronomy and Astrophysics

Astrophysics

7 pages 6 figures, updated to match version in print

Scientific paper

10.1103/PhysRevD.74.123515

The existing and upcoming multiwavelength data from the Galactic Center suggest a comparative study in order to propose or rule out possible models which would explain the observations. In this paper we consider the X-ray synchrotron and the gamma-ray emission due to Kaluza Klein Dark Matter and define a set of parameters for the shape of the Dark Matter halo which is consistent with the observations. We show that for this class of models the existing Chandra X-ray data is more restrictive than the constraints on very high energy gamma-rays coming from HESS.

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