Radiative processes in LSP annihilation

Details Radiative processes in LSP annihilation Radiative processes in LSP annihilation

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phlb..232..377f&link_type=abstract

Physics Letters B, Volume 232, Issue 3, p. 377-382.

Physics

26

Scientific paper

We calculate the O(α) corrections to the annihilation cross section for dark matter candidates in the minimal supersymmetric standard model. In particular, the radiative process χχ-->qqg is shown to be at most 15% of the total cross sections (except for very massive binos). We apply our results to the relic abundance of neutralinos left over in the Big Bang. We also comment on the importance of these channels for dark matter annihilation in the galactic halo.

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