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- W1995034052 abstract "In the framework of indirect dark matter searches we investigate the flux of high energy γ-ray photons produced by annihilation of dark matter in caustics within our Galaxy under the hypothesis that the bulk of dark matter is composed of the lightest supersymmetric particles. Unfortunately, the detection of the caustic annihilation signal with currently available instruments is rather challenging. Indeed, with realistic assumptions concerning particle physics and cosmology, the γ-ray signal from caustics is below the detection threshold of both Čerenkov telescopes and satellite-borne experiments. Nevertheless, we find that this signal is more prominent than that expected if annihilation only occurs in the smoothed Galactic halo, with the possible exception of a ∼15° circle around the Galactic centre if the mass density profile of our Galaxy exhibits a sharp cusp there. We show that the angular distribution of this γ-ray flux changes significantly if DM annihilation preferentially occurs within virialized sub-haloes populating our Galaxy rather than in caustics." @default.
- W1995034052 created "2016-06-24" @default.
- W1995034052 creator A5043276829 @default.
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- W1995034052 date "2005-05-12" @default.
- W1995034052 modified "2023-09-26" @default.
- W1995034052 title "γ-ray flux from dark matter annihilation in galactic caustics" @default.
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- W1995034052 doi "https://doi.org/10.1088/1475-7516/2005/05/007" @default.
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