One-loop corrections to neutral Higgs boson decays into neutralinos

Abstract

We present the one-loop corrected decay widths for the decays of the neutral Higgs bosons h^0, H^0, and A^0 into a neutralino pair neu_m neu_n (m, n = 1, >..., 4) and to the decay neu_m -> (h^0, H^0, A^0) + neu_n. The corrections contain the one-loop contributions of all fermions and sfermions. All parameters are taken on-shell. This requires a proper treatment of the neutralino mass and mixing matrix. The dependence on the SUSY parameters is discussed. The corrections can be large in certain regions of the parameter space.

19 pages, 6 figures

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• Chargino and Neutralino Decays Revisited
• One-loop corrections to the chargino and neutralino mass matrices in the on-shell scheme
• Dark Matter Direct Searches and the Anomalous Magnetic Moment of Muon
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