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- W2963331807 abstract "The gamma-ray fluxes observed by the High Energy Stereoscopi c System (HESS) from the J1745290 Galactic Center source is well fitted by the secondary pho tons coming from Dark Matter (DM) annihilation in particle-antiparticle standard model pairs over a diffuse power-law background. The spectral features of the signal are consistent with different channels: light quarks, electro-weak gauge bosons and top-antitop production. The amount of photons and morphology of the signal localized within a region of few parsecs, requi re compressed DM profiles as those resulting from baryonic contraction, which offer large enhancements in the signal over DM alone simulations. The fits return a heavy WIMP, with a mass above 10 TeV, but well below the unitarity limit for thermal relic annihilation. The fitted background spectral index is compatible with the Fermi-Large Area Telescope (LAT) data from the same region. This possibility can be potentially tested with the observations of other high energy cosmic rays." @default.
- W2963331807 created "2019-07-30" @default.
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- W2963331807 date "2014-03-18" @default.
- W2963331807 modified "2023-10-14" @default.
- W2963331807 title "Cosmic Rays from Heavy Dark Matter from the Galactic Center" @default.
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- W2963331807 doi "https://doi.org/10.22323/1.180.0103" @default.
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