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Renormalization Group Naturalness of GUT Higgs Potentials

B. C. Allanach, G. Amelino-Camelia, O. Philipsen, O. Pisanti, L. Rosa

hep-pharXiv:hep-ph/9804313

Abstract

We analyze the symmetry-breaking patterns of grand unified theories from the point of view of a recently-proposed criterion of renormalization-group naturalness. We perform the analysis on simple non-SUSY SU(5) and SO(10) and SUSY SU(5) GUTs. We find that the naturalness criterion can favor spontaneous-symmetry-breaking in the direction of the smallest of the maximal little groups. Some differences between theories with and without supersymmetry are also emphasized.

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