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Institut für Astronomie und Astrophysik

Abteilung Astronomie

Sand 1, D-72076 Tübingen, Germany
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Preprint 01/07


Indirect Search for Dark Matter with H.E.S.S.

D. Horns (for the H.E.S.S. collaboration)

Institute for Astronomy and Astrophysics, University of Tübingen, Sand 1, D-72076 Tübingen

To be published in: Advances in Space Research

Abstract. Observations of the Galactic center region with the H.E.S.S. telescopes have established the existence of a steady, extended source of gamma-ray emission coinciding with the position of the super massive black hole Sgr A*. This is a remarkable finding given the expected presence of dense self-annihilating Dark Matter in the Galactic center region. The self-annihilation process is giving rise to gamma-ray production through hadronization including the production of neutral pions which decay into gamma-rays but also through (loop-suppressed) annihilation into final states of almost mono-energetic photons. We study the observed gamma-ray signal (spectrum and shape) from the Galactic center in the context of Dark Matter annihilation and indicate the prospects for further indirect Dark matter searches with H.E.S.S.
 

Preprint (351 kb PDF file including figures)
Astrophysics (astro-ph): astro-ph/0702373


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