Consistent Higher-Order Corrections to Stop_i -> Sbottom_j H^+ in the Complex MSSM

Details Consistent Higher-Order Corrections to Stop_i -> Sbottom_j H^+ in the Complex MSSM Consistent Higher-Order Corrections to Stop_i -> Sbottom_j H^+ in the Complex MSSM

2010-12-21

arxiv.org/abs/1012.4572v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, one figure, talk given at the "Third International Workshop on Prospects for Charged Higgs Discovery at Colliders - C

Scientific paper

We review an analysis of a consistent renormalization of the top and bottom quark/squark sector of the MSSM with complex parameters (cMSSM). Various renormalization schemes are defined, analyzed analytically and tested numerically in the decays Stop_2 -> Sbottom_i H^+/W^+ (i = 1,2). No scheme is found that produces numerically acceptable results over all the cMSSM parameter space, where problems occur mostly already for real parameters. Some numerical examples for Gamma(Stop_2 -> Sbottom_1 H^+) in our preferred scheme, "m_b, A_b DRbar" are shown.

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