Charged Higgs Boson Production in Bottom-Gluon Fusion

Details Charged Higgs Boson Production in Bottom-Gluon Fusion Charged Higgs Boson Production in Bottom-Gluon Fusion

2002-06-13

arxiv.org/abs/hep-ph/0206121v3

Phys.Rev.D67:014018,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, v2: some discussions added, v3: published version

Scientific paper

10.1103/PhysRevD.67.014018

We compute the complete next-to-leading order SUSY-QCD corrections for the associated production of a charged Higgs boson with a top quark via bottom-gluon fusion. We investigate the applicability of the bottom parton description in detail. The higher order corrections can be split into real and virtual corrections for a general two Higgs doublet model and into additional massive supersymmetric loop contributions. We find that the perturbative behavior is well under control. The supersymmetric contributions consist of the universal bottom Yukawa coupling corrections and non-factorizable diagrams. Over most of the relevant supersymmetric parameter space the Yukawa coupling corrections are sizeable, while the remaining supersymmetric loop contributions are negligible.

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