Renormalisation-group invariance and soft supersymmetry-breaking

Abstract

We show that a particular ``universal'' form for the soft-breaking couplings in a softly broken $N=1$ supersymmetric gauge theory is renormalisation-group invariant through two loops, provided we impose one simple condition on the dimensionless couplings. The universal form for the trilinear couplings and mass terms is identical to that found in popular derivations of the soft-breaking terms from strings or supergravity.

11 pages, uses Harvmac; Eqn. 31 changed in accordance with the erratum to Ref. 3.

References in corpus (4)

• Soft supersymmetry breaking and finiteness
• Decoupling of the $\epsilon$-scalar mass in softly broken supersymmetry
• GUT effects in the soft supersymmetry breaking terms
• Proton Life-Time Problem In Finite Grand Unified Theories

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