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Dark Matter Profile in the Galactic Center | | Oleg Y. Gnedin
; Joel R. Primack
; | | Date: |
21 Aug 2003 | | Journal: | Phys.Rev.Lett. 93 (2004) 061302 | | Subject: | astro-ph | | Affiliation: | STScI), Joel R. Primack (UC Santa Cruz | | Abstract: | We describe a quasi-equilibrium profile of dark matter particles in the inner parsec of the Galaxy, rho ~ r^-3/2. This "mini-cusp" profile is caused by scattering with the dense stellar cluster around the supermassive black hole in Sgr A* and is independent of the initial conditions. The implications for detection of gamma rays from WIMP dark matter annihilation in the Galactic center are a mild enhancement of the flux, and a characteristic central feature in the angular distribution which could be detectable by high-resolution Atmospheric Cherenkov Telescopes. | | Source: | arXiv, astro-ph/0308385 | | Other source: | [GID 881203] pmid15323617 | | Services: | Forum | Review | PDF | Favorites | |
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