MSSM Higgs Bosons from Stop and Chargino Decays

Details MSSM Higgs Bosons from Stop and Chargino Decays MSSM Higgs Bosons from Stop and Chargino Decays

2012-01-30

arxiv.org/abs/1201.6305v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures, talk given at the LCWS 2011, September 2011, Granada, Spain

Scientific paper

The Higgs bosons of the MSSM can be produced from the decay of SUSY particles. We review the evalulation of two decay modes in the MSSM with complex parameters (cMSSM). The first type is the decay of the heavy scalar top quark to a lighter scalar quark and a Higgs boson. The second type is the decay of the heavy chargino to a lighter chargino/neutralino and a Higgs boson. The evaluation is based on a full one-loop calculation including hard QED and QCD radiation. We find sizable contributions to many partial decay widths and branching ratios. They are roughly of O(10%) of the tree-level results, but can go up to 30% or higher. These contributions are important for the correct interpretation of scalar top quark decays at a future linear e+e- collider.

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