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Unification of Higgs and Gauge Fields in Five Dimensions

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arxiv hep-ph/0210257 v2 pith:7JHTVZEP submitted 2002-10-17 hep-ph hep-th

Gustavo Burdman , Yasunori Nomura This is my paper · ORCID
classification hep-phhep-th
keywords gaugecouplingsdimensionalfieldsyukawahiggshighermodel
verification ladder T0 review T1 audit T2 compute T3 formal
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We construct realistic theories in which the Higgs fields arise from extra dimensional components of higher dimensional gauge fields. In particular, we present a minimal 5D SU(3)_C x SU(3)_W model and a unified 5D SU(6) model. In both cases the theory is reduced to the minimal supersymmetric standard model below the compactification scale, with the two Higgs doublets arising from the 5D gauge multiplet. Quarks and Leptons are introduced in the bulk, giving Yukawa couplings without conflicting with higher dimensional gauge invariance. Despite the fact that they arise from higher dimensional gauge interactions, the sizes of these Yukawa couplings can be different from the 4D gauge couplings due to wave-function profiles of the matter zero modes determined by bulk mass parameters. All unwanted fields are made heavy by introducing appropriate matter and superpotentials on branes, which are also the source of intergenerational mixings in the low-energy Yukawa matrices. The theory can accommodate a realistic structure for the Yukawa couplings as well as small neutrino masses. Scenarios for supersymmetry breaking and the mu-term generation are also discussed.

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Cited by 2 Pith papers

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  1. Gauge symmetry breaking with $S^2$ extra dimensions

    hep-ph 2025-05 conditional novelty 5.0 of 10

    On S2, a cos θ background gauge field breaks the gauge group to its centralizer; the KK mass spectrum is (j(j+1) - kα^2)/R^2 for charged modes.

  2. Family Unification in $SO(16)$ Grand Unification

    hep-ph 2025-02 unverdicted novelty 4.0 of 10

    A 6D SO(16) GUT model unifies SM gauge groups with SU(3) family symmetry by placing three chiral generations into one spinor representation, canceling anomalies via vectorlike 6D fermions and fixed-point localized sta...

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