Supersymmetric QCD corrections to the top quark decay of a heavy charged higgs boson

Details Supersymmetric QCD corrections to the top quark decay of a heavy charged higgs boson Supersymmetric QCD corrections to the top quark decay of a heavy charged higgs boson

1995-11-10

arxiv.org/abs/hep-ph/9511292v3

Phys.Lett. B389 (1996) 53-61

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTeX. 5 figures included as a separate file. A postscript version is available at ftp://ftp.ifae.es/preprint/ft/uab

Scientific paper

10.1016/S0370-2693(96)01328-7

The supersymmetric QCD corrections to the hadronic width of a heavy charged Higgs boson, basically dominated by the top-quark decay mode $H^{+}\rightarrow t \bar{b}$, are evaluated at ${\cal O}(\alpha_s)$ within the MSSM and compared with the standard QCD corrections. The study of such quantum effects, which turn out to be rather large, is essential to understand the hypothetical supersymmetric nature of a heavy charged Higgs boson potentially produced in the near future at the Tevatron and/or at the LHC.

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