Article Dans Une Revue Comptes Rendus. Physique Année : 2016

High-energy gamma-ray sources of cosmological origin

Résumé

The current generation of instruments in gamma-ray astrophysics launched a new era in the search for a dark matter signal in the high-energy sky. Such searches are said indirect, in the sense that the presence of a dark matter particle is inferred from the detection of products of its pair-annihilation or decay. They have recently started to probe the natural domain of existence for weakly interacting massive particles (WIMPs), the favorite dark matter candidates today. In this article, we review the basic framework for indirect searches and we present a status of current limits obtained with gamma-ray observations. We also devote a section to another possible class of cosmological gamma-ray sources, primordial black holes, also considered as a potential constituent of dark matter.

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hal-01554943 , version 1 (07-06-2023)

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Pierre Brun, Johann Cohen-Tanugi. High-energy gamma-ray sources of cosmological origin. Comptes Rendus. Physique, 2016, 17, pp.649-662. ⟨10.1016/j.crhy.2016.04.007⟩. ⟨hal-01554943⟩
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