Effect of SUSY-QCD corrections to neutralino annihilation on the cold dark matter relic density in the Higgs funnel

Details Effect of SUSY-QCD corrections to neutralino annihilation on the cold dark matter relic density in the Higgs funnel Effect of SUSY-QCD corrections to neutralino annihilation on the cold dark matter relic density in the Higgs funnel

2007-09-14

arxiv.org/abs/0709.2232v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Submitted for the SUSY07 proceedings, 4 pages, LaTeX, 9 eps figures

Scientific paper

We present a complete calculation of the QCD and SUSY-QCD corrections to neutralino pair annihilation into bottom quark-antiquark pairs through exchange of a pseudoscalar Higgs boson, which is the dominant process in the cosmological A-funnel region of the mSUGRA model. We present numerical predictions for the annihilation cross section and discuss the influence of the correction terms on the cold dark matter relic density with respect to recent cosmological data.

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