Radiative GUT Symmetry Breaking in a R-Symmetric Flipped SU(5) Model
arXiv:hep-ph/9710563 · doi:10.1103/PhysRevD.57.5493
Abstract
We study the generation of the GUT scale through radiative corrections in the context of a R-symmetric "flipped" SU(5) X U(1)_X model. A negative mass squared term for the GUT Higgs fields develops due to radiative effects along a flat direction at a superheavy energy scale. The R-symmetry is essential in maintaining triplet-doublet splitting and F-flatness in the presence of non-renormalizable terms. The model displays radiative electroweak symmetry breaking and satisfies all relevant phenomenological constraints.
16 pages, 2 figures, version to appear in Phys. Rev. D
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