Journal
PHYSICAL REVIEW LETTERS
Volume 93, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.93.061302
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We describe a quasiequilibrium profile of dark matter particles in the inner parsec of the Galaxy, rho(dm)proportional tor(-3/2). This minicusp 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 annihilation of weakly interacting massive dark matter particle 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.
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