Soft supersymmetry breaking and finiteness

Abstract

We calculate the two-loop $\beta$-functions for soft supersymmetry-breaking interactions in a general supersymmetric gauge theory, emphasising the role of the evanescent couplings and masses that are generic to a non-supersymmetric theory. We also show that a simple set of conditions sufficient for one-loop finiteness renders a theory two-loop finite, and we speculate on the possible significance of finite softly broken theories.

12pp, uses harvmac, LTH 334. Note added and minor corrections to Eqs. (9), (12) and (16)

References in corpus (5)

• Regularization Dependence of Running Couplings in Softly Broken Supersymmetry
• Finite Unified Models
• Dimensional Reduction in Non-Supersymmetric Theories
• 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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