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- W4386101633 abstract "Abstract We use H.E.S.S. γ -ray observations of Sgr A* to derive novel limits on the Dark Matter (DM) annihilation cross-section. We quantify their dependence on uncertainties i) in the DM halo profile, which we vary from peaked to cored, and ii) in the shape of the DM spike around Sgr A*, dynamically heated by the nuclear star cluster. For peaked halo profiles and depending on the heating of the spike, our limits are the strongest existing ones for DM masses above a few TeV. Our study contributes to assessing the influence of the advancements in our knowledge of the Milky Way on determining the properties of DM particles." @default.
- W4386101633 created "2023-08-24" @default.
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- W4386101633 date "2023-08-01" @default.
- W4386101633 modified "2023-10-02" @default.
- W4386101633 title "Dark matter spikes around Sgr A* in γ-rays" @default.
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- W4386101633 doi "https://doi.org/10.1088/1475-7516/2023/08/063" @default.
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