Annihilating Dark Matter

Details Annihilating Dark Matter Annihilating Dark Matter

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dmap.conf..150b&link_type=abstract

DARK MATTER IN ASTROPARTICLE AND PARTICLE PHYSICS. Proceedings of the 6th International Heidelberg Conference. Held 24-28 Septem

Physics

Dark Matter, Annihilation, Neutrinos, Positrons

Scientific paper

We consider the annihilation of dark matter into Standard Model particles. We show that the least detectable annihilation products, namely neutrinos, can be used to set a conservative bound on the total annihilation cross section. This bound is much stronger than the unitarity bound for the most interesting mass range, and shows that dark matter halos cannot be significantly modified by annihilations. We also discuss the production of Galactic positrons via dark matter annihilation.

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