QCD CORRECTIONS TO THE H+ -->t anti-b decay within the minimal supersymmetric standard model

Details QCD CORRECTIONS TO THE H+ -->t anti-b decay within the minimal supersymmetric standard model QCD CORRECTIONS TO THE H+ -->t anti-b decay within the minimal supersymmetric standard model

1994-05-25

arxiv.org/abs/hep-ph/9405377v2

Mod.Phys.Lett. A10 (1995) 1113-1118

Physics

High Energy Physics

High Energy Physics - Phenomenology

UQAM-PHE-94/03, 5 pages, plain tex, 5 figures not included, available under request via mail or fax

Scientific paper

10.1142/S021773239500123X

I present the results of the QCD corrections to the H+ --> t anti-b decay within the minimal supersymmetric standard model, if gluinos and scalar quarks are taken within the relevant loop diagram. I include the mixing of the scalar partners of the left- and right-handed top quark, which is proportional to the top quark mass. The standard corrections via gluons and quarks are about +8% for a charged Higgs mass of 300 GeV and about -11% for a Higgs mass of 800 GeV. I show that the standard corrections are diminished or enhanced by a non-negligible amount for certain values of the supersymmetric parameter space. I also obtain sign changes.

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