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Search for dark matter annihilation signatures in H.E.S.S. observations of dwarf spheroidal galaxies

Search for dark matter annihilation signatures in H.E.S.S. observations of dwarf spheroidal galaxies

Dwarf spheroidal galaxies of the Local Group are close satellites of the Milky Way characterized by a large mass-to-light ratio and are not expected to be the site of non-thermal high-energy gamma-ray emission or intense star formation. Therefore they are amongst the most promising candidates for indirect dark matter searches. …