Two-loop renormalization group equations for soft SUSY breaking scalar interactions: supergraph method

Abstract

We obtain the one- and two-loop renormalization group equations for soft SUSY breaking scalar interactions in general, semi-simple SUSY gauge model, by using the supergraph method. We find that the method simplifies the calculation significantly because of the non-renormalization theorem and also because of the property that the relevant divergences are derived by simple algebra from those in exact SUSY case. A disagreement with the existing result is found in ${\beta }^{(2)}(m^2)$ and its cause is briefly discussed.

22 pages, revised version with note added, KEK-TH-383 / UT-665

References in corpus (4)

• Two-Loop Renormalization Group Equations for Soft Supersymmetry-Breaking Couplings
• Regularization Dependence of Running Couplings in Softly Broken Supersymmetry
• Two-loop renormalization of gaugino masses in general supersymmetric gauge models
• Two-loop renormalization of gaugino mass in supersymmetric gauge model

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