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Dark Matter Indirect Signatures
Lavalle J., Salati P.
Physics/Astrophysics/High Energy Astrophysical Phenomena
Sciences of the Universe/Astrophysics/High Energy Astrophysical Phenomena
Physics/High Energy Physics - Phenomenology
Dark Matter Indirect Signatures
Julien Lavalle1, Pierre Salati2
1:  LPTA - Laboratoire de Physique Théorique et Astroparticules
CNRS : UMR5207 – IN2P3 – Université Montpellier II - Sciences et techniques
Bât 13- 1er Et. - CC 070 Place Eugène Bataillon 34095 MONTPELLIER CEDEX 5
2:  LAPTH - Laboratoire d'Annecy-le-Vieux de Physique Théorique
CNRS : UMR5108 – Université de Savoie
9 Chemin de Bellevue - BP 110 74941 ANNECY LE VIEUX CEDEX
The astronomical dark matter could be made of weakly interacting and massive particles. If so, these species would be abundant inside the Milky Way, where they would continuously annihilate and produce cosmic rays. Those annihilation products are potentially detectable at the Earth, and could provide indirect clues for the presence of dark matter species within the Galaxy. We will review here the various cosmic radiations which the dark matter can produce. We will examine how they propagate throughout the Milky Way and compare the dark matter yields with what pure astrophysical processes are expected to generate. The presence of dark matter substructures might enhance the signals and will be briefly discussed.

Invited review submitted to Comptes Rendus de l'Academie des Sciences, special issue on "Dark matter and dark energy" (Eds. C. Boehm and P. Brax). 81 pages

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