Renormalisation-group invariance and soft supersymmetry-breaking

Details Renormalisation-group invariance and soft supersymmetry-breaking Renormalisation-group invariance and soft supersymmetry-breaking

1995-01-27

arxiv.org/abs/hep-ph/9501395v2

Phys.Lett.B349:294-299,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/0370-2693(95)00271-L

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.

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