Astrophysical inputs on the SUSY dark matter annihilation detectability

Details Astrophysical inputs on the SUSY dark matter annihilation detectability Astrophysical inputs on the SUSY dark matter annihilation detectability

2004-01-23

arxiv.org/abs/astro-ph/0401512v1

Phys.Rev.Lett.93:241301,2004

Astronomy and Astrophysics

Astrophysics

4 pages, submitted to Physical Review Letters

Scientific paper

10.1103/PhysRevLett.93.241301

If dark matter (DM), which is considered to constitute most of the mass of galaxies, is made of supersymmetric (SUSY) particles, the centers of galaxies should emit gamma-rays produced by their self-annihilation. We present accurate estimates of continuum gamma-ray fluxes due to neutralino annihilation in the central regions of the Milky Way. We use detailed models of our Galaxy, which satisfy available observational data, and include some important physical processes, which were previously neglected. Our models predict that spatially extended annihilation signal should be detected at high confidence levels by incoming experiments assuming that neutralinos make up most of the DM in the Universe and that they annihilate according to current SUSY models.

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