Higgs Mass Textures in Flipped SU(5)

Details Higgs Mass Textures in Flipped SU(5) Higgs Mass Textures in Flipped SU(5)

1999-07-23

arxiv.org/abs/hep-ph/9907476v1

Phys.Lett.B464:62-72,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages LaTeX

Scientific paper

10.1016/S0370-2693(99)00962-4

We analyze the Higgs doublet-triplet mass splitting problem in the version of flipped SU(5) derived from string theory. Analyzing non-renormalizable terms up to tenth order in the superpotential, we identify a pattern of field vev's that keeps one pair of electroweak Higgs doublets light, while all other Higgs doublets and all Higgs triplets are kept heavy, with the aid of the economical missing-doublet mechanism found in the field-theoretical version of flipped SU(5). The solution predicts that second-generation charge -1/3 quarks and charged leptons are much lighter than those in the third generation.

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