Neutralino annihilation to q qbar g
Abstract
We compute the cross section for chi chi -> q qbar g at order alphas2/Msquark6 arising from interference between the tree-level and loop-induced processes. This interference term is the same order in alphas as chi chi -> gg; for mass degenerate squarks MsquarkR = MsquarkL = Msquark we find vrel sigmaint = [-2 mchi2 / 3 Msquark2] vrel sigma(chi chi -> gg).
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