GLAST sensitivity to cosmological Dark Matter annihilations into γ-rays

Details GLAST sensitivity to cosmological Dark Matter annihilations into γ-rays GLAST sensitivity to cosmological Dark Matter annihilations into γ-rays

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..921..504b&link_type=abstract

THE FIRST GLAST SYMPOSIUM. AIP Conference Proceedings, Volume 921, pp. 504-505 (2007).

Mathematics

Logic

1

Dark Matter, Gamma-Ray Sources, Gamma-Ray Bursts

Scientific paper

Pair annihilation of weakly interacting massive particle (WIMP) dark matter into high energy photons taking place in dark matter halos at all redshifts might contribute to the extragalactic diffuse gamma-ray radiation. The γ-annihilation channel would give rise to a distinct feature in the spectrum, a line which is distorted by the integration over all cosmological redshifts.
We present a study of GLAST sensitivity to detect an extragalaclic signal from a generic, thermal WIMP with a continuous spectrum part, modeled with annihilations into bb, and a γ-line, from the 2γ final state.

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