Radiative Corrections to $H^0\to WW/ZZ$ in the MSSM

Abstract

The electroweak $\mathcal{O}(\alpha )$ radiative corrections to the decay of the heavy CP-even MSSM Higgs boson to weak gauge bosons are presented. Due to the suppression of the tree-level $H^{0}WW/H^{0}ZZ$ coupling, the electroweak contributions to the partial decay width are significant. Although the effective Born decay width can be rather small for certain $M_{A^0}$ values (especially for large $\tan \beta$), the corrected partial widths at different values of $M_{A^0}$ are of comparable size.

13 pages, 7 figures, version to appear in PRD

References in corpus (4)

• Search for Neutral MSSM Higgs Bosons at LEP
• News from FormCalc and LoopTools
• Distributions for MSSM Higgs boson + jet production at hadron colliders
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