Hadronic Higgs Production and Decay in Supersymmetry at Next-to-Leading Order

Details Hadronic Higgs Production and Decay in Supersymmetry at Next-to-Leading Order Hadronic Higgs Production and Decay in Supersymmetry at Next-to-Leading Order

2003-07-29

arxiv.org/abs/hep-ph/0307346v3

Phys.Lett.B574:258-268,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX, 12 ps-files included. v2: Typos fixed, references added, minor modifications. v3: Typos fixed.

Scientific paper

10.1016/j.physletb.2003.09.013

Supersymmetric QCD corrections to the gluonic production and decay rate of a CP-even Higgs boson are evaluated at next-to-leading order. To this aim, we derive an effective Lagrangian for the gluon-Higgs coupling. We show that a consistent calculation requires the inclusion of gluino effects, in contrast to what has been done previously. The supersymmetric corrections to the gluon-Higgs coupling lead to a modification of the next-to-leading order K-factor for the Higgs production rate at the LHC by less than five percent.

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