Spectra, fluxes, and observability of gamma rays from dark matter annihilation in the Galaxy

Details Spectra, fluxes, and observability of gamma rays from dark matter annihilation in the Galaxy Spectra, fluxes, and observability of gamma rays from dark matter annihilation in the Galaxy

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343..169s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 343, Aug. 1, 1989, p. 169-176.

Astronomy and Astrophysics

Astrophysics

45

Annihilation Reactions, Dark Matter, Gamma Ray Astronomy, Gamma Ray Spectra, Nuclear Astrophysics, Background Radiation, Galactic Radiation, Radioactive Decay, Supersymmetry

Scientific paper

Details of the physics of gamma-ray production by the annihilation of dark matter particles in the Galaxy are presented. Improved gamma-ray spectra and fluxes are calculated and compared with present observational data on cosmic gamma-ray fluxes at high Galactic latitudes. A comparison with the gamma-ray flux from cosmic-ray interactions is made. It is found that gamma-rays from dark matter annihilation are most potentially observable from patches of the sky at high Galactic latitudes in directions having an unusually low total column density of gas and from a dark matter core at the Galactic center.

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