Improved SUSY QCD corrections to Higgs boson decays into quarks and squarks
Y. Yamada, H. Eberl, K. Hidaka, S. Kraml, W. Majerotto
Abstract
The O(alphas) SUSY QCD corrections to the decays of the MSSM Higgs bosons into bottom quarks and squarks can be very large for large tan beta in the on--shell renormalization scheme. We improve the calculation by a careful choice of the tree-level Higgs boson couplings in terms of running parameters of quarks and squarks.
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