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

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

1994-01-12

arxiv.org/abs/hep-ph/9401241v2

Phys.Rev. D50 (1994) 3537-3545

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1103/PhysRevD.50.3537

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.

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