Abstract

We show that superheavy threshold corrections in the New Minimal Supersymmetric GUT based on the SO(10) Higgs system [Formula: see text] can comfortably correct the prediction for the value of α3(MZ) from the relatively large value predicted by the two-loop RG equations to the central value determined by the current world average. The unification scale is raised above the one-loop value over almost all of the viable parameter space.

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