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We present a complete calculation of the QCD and SUSY-QCD corrections toneutralino pair annihilation into bottom quark-antiquark pairs through exchangeof a pseudoscalar Higgs boson, which is the dominant process in thecosmological A-funnel region of the mSUGRA model. We present numericalpredictions for the annihilation cross section and discuss the influence of thecorrection terms on the cold dark matter relic density with respect to recentcosmological data.

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