The decay $h^0 \to A^0A^0$: a complete 1-loop calculation in the MSSM

Details The decay $h^0 \to A^0A^0$: a complete 1-loop calculation in the MSSM The decay $h^0 \to A^0A^0$: a complete 1-loop calculation in the MSSM

1996-02-15

arxiv.org/abs/hep-ph/9602318v1

Nucl.Phys. B474 (1996) 32-56

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, LaTex, 10 figures included. Complete ps-file also available via WWW at http://itpaxp1.physik.uni-karlsruhe.de/prep/p

Scientific paper

10.1016/0550-3213(96)00278-7

In the minimal supersymmetric standard model the decay $h^0 \to A^0A^0$ of the light neutral scalar $h^0$ is kinematically allowed for low values of $\tan\beta$ when radiative corrections to the neutral Higgs masses are taken into account. The width of this decay mode is revisited on the basis of a complete 1-loop diagrammatic calculation. We give the analytical expressions and numerical results and compare them with the corresponding ones from the simpler and compact approximations of the effective potential method and the renormalization group approach.

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