Approximate Analytic Solutions of RG Equations for Yukawa and Soft Couplings in SUSY Models

Details Approximate Analytic Solutions of RG Equations for Yukawa and Soft Couplings in SUSY Models Approximate Analytic Solutions of RG Equations for Yukawa and Soft Couplings in SUSY Models

1999-06-04

arxiv.org/abs/hep-ph/9906256v3

Eur.Phys.J.C13:671-679,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, LaTex, 4 eps figures, some comments added, final version

Scientific paper

10.1007/s100520050726

We present simple analytical formulae which describe solutions of the RG equations for Yukawa couplings in SUSY gauge theories with the accuracy of a few per cent. Performing the Grassmannian expansion in these solutions one finds those for all the soft couplings and masses. The solutions clearly exhibit the fixed point behaviour which can be calculated analytically. A comparison with numerical solutions is demonstrated.

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