Mass Matrices in E6 Unification

Details Mass Matrices in E6 Unification Mass Matrices in E6 Unification

2000-03-22

arxiv.org/abs/hep-ph/0003220v2

Prog.Theor.Phys.104:211-236,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

33 pages, 5 figures, typos corrected

Scientific paper

10.1143/PTP.104.211

We study a supersymmetric E6 grand unified model in which the SU(5) 5^* components are twisted in the third generation 27. Supplementing the adjoint Higgs field to a model analyzed previously, we calculate the mass matrices for the up and down quarks and charged leptons. Although the number of free parameters is less than that of observables, an overall fitting to the observed masses and mixing angles is shown to be possible. Most notably, we find two novel, parameter-independent relations between the lepton 2-3 mixing angle and the quark masses and CKM mixing angles that are in good agreement with the large lepton mixing recently observed.

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