Radiative corrections to the decay H==>hh in the Minimal Supersymmetric Standard Model

Details Radiative corrections to the decay H==>hh in the Minimal Supersymmetric Standard Model Radiative corrections to the decay H==>hh in the Minimal Supersymmetric Standard Model

1992-10-27

arxiv.org/abs/hep-ph/9210266v1

Phys.Lett.B299:72-82,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 A4-pages, 3 figures not included, CERN-TH.6603/92

Scientific paper

10.1016/0370-2693(93)90885-L

We set up a suitable renormalization programme for the one-loop computation of the decay rate Gamma(H==>hh) in the Minimal Supersymmetric extension of the Standard Model. We then perform an explicit diagrammatic calculation, including the full contributions from top, bottom, stop and sbottom loops. We find that, for tan(beta) close to 1, and m_H greater than or approximately equal to 2 m_t, the results can significantly differ from those previously obtained in the effective potential approach. However, the latter method remains a good approximation in the region of parameter space which is most relevant for H searches at large hadron colliders.

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