Minimal flipped SO(10) x U(1) supersymmetric Higgs model
- INFN, Sezione di Trieste, and SISSA, via Bonomea 265, 34136 Trieste (Italy)
We investigate the conditions on the Higgs sector that allow supersymmetric SO(10) grand unified theories to break spontaneously to the standard electroweak model at the renormalizable level. If one considers Higgs representations of dimension up to the adjoint, a supersymmetric standard model vacuum requires, in most cases, the presence of nonrenormalizable operators. The active role of Planck-induced nonrenormalizable operators in the breaking of the gauge symmetry introduces a hierarchy in the mass spectrum at the grand unified theory scale that may be an issue for gauge unification and proton decay. We show that the minimal Higgs scenario that allows for a renormalizable breaking to the standard model is obtained by considering flipped SO(10) x U(1) with one adjoint (45{sub H}) and two pairs of 16{sub H}+16{sub H} Higgs representations. We consider a nonanomalous matter content and discuss the embedding of the model in an E{sub 6} grand unified scenario just above the flipped SO(10) scale.
- OSTI ID:
- 21504904
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 83, Issue 3; Other Information: DOI: 10.1103/PhysRevD.83.035002; (c) 2011 American Institute of Physics; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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SUPERSYMMETRY
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WEINBERG-SALAM GAUGE MODEL
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