The large top quark mass expansion for Higgs boson decays into bottom quarks and into gluons
Abstract
We calculate the large top quark mass expansions for the H -> bbbar decay rate in the order (alphas)2 and for the H -> gluons decay rate in the order (alphas)3. The obtained expansions rapidly converge in the region of their validity, MH < 2 mtop, i.e. below the threshold of ttbar production.
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