Abstract
We review various ways of obtaining consistency between the idea of supersymmetric grand unification and an apparent low value of αs~0.112 indicated by several low energy experiments. We argue that to reconcile the low value of αs with the predictions of supersymmetric GUT’s, we need to go beyond the standard minimal supersymmetric GUT scenario and invoke new physics either at 1011–1012 GeV or at the GUT scale.
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