Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-01-27
Z.Phys. C57 (1993) 339-348
Physics
High Energy Physics
High Energy Physics - Phenomenology
19 pages (13 Figs can be sent by request), TeX, MZ-TH/92-25
Scientific paper
10.1007/BF01565067
We calculate the dominant three body Higgs decays, $H \to W^+W^-(Z^0, \gamma)$ and $H \to t\overline{t}(Z^0,\gamma ,g)$, in the Standard Model. We find that the branching ratios of these decays are of the order of few percent for large Higgs masses. We comment on the behaviour of the partial decay width $\Gamma (H \to t\overline{b}W^-)$ below the $t\overline{t}$ threshold. Numerical results of the following three body top decays, $t \to W^+b(\gamma ,g,Z^0)$ and $t \to W^+bH$, are also given. We discuss the feasibility of observing these Higgs and top decays at future high energy colliders.
Decker Roger
Nowakowski Marek
Pilaftsis Apostolos
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