Higher-Order Corrected Higgs Bosons in FeynHiggs 2.5

Abstract

Large higher-order corrections enter the Higgs boson sector of the MSSM via Higgs-boson self-energies. Their effects have to be taken into account for the correct treatment of loop-corrected Higgs-boson mass eigenstates as external (on-shell) or internal particles in Feynman diagrams. We review how the loop corrections, including momentum dependence and imaginary contributions, are correctly taken into account for external (on-shell) Higgs boson and how effective couplings can be derived. The proceedures are implemented in the code FeynHiggs 2.5.

8 pages, no figures. Two talks given at the LCWS06 March 2006, Bangalore, India

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• Higgs production in CP-violating supersymmetric cascade decays: probing the `open hole' at the Large Hadron Collider
• Radiative Corrections to $H^0\to WW/ZZ$ in the MSSM
• Measuring Supersymmetry with Heavy Scalars
• Higgs decays in supersymmetric models with light neutralinos
• Radiative corrections to $h^0\to W{W}^{\ast }/Z{Z}^{\ast }\to 4$\,leptons in the MSSM
• CP-violating Loop Effects in the Higgs Sector of the MSSM