Renormalization of coupling constants in the minimal SUSY models

Details Renormalization of coupling constants in the minimal SUSY models Renormalization of coupling constants in the minimal SUSY models

2003-01-10

arxiv.org/abs/hep-ph/0301068v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 10 figures, LaTeX 2e. Talk presented by R.B.Nevzorov at the International Workshop "What comes beyond the Standard M

Scientific paper

The considerable part of the parameter space in the MSSM corresponding to the infrared quasi fixed point scenario is excluded by LEP II bounds on the lightest Higgs boson mass. In the NMSSM the mass of the lightest Higgs boson reaches its maximum value in the strong Yukawa coupling limit when Yukawa couplings are essentially larger than gauge ones at the Grand Unification scale. In this case the renormalization group flow of Yukawa couplings and soft SUSY breaking terms is investigated. The quasi-fixed and invariant lines and surfaces are briefly discussed. The coordinates of the quasi-fixed points, where all solutions are concentrated, are given.

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