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Preon Model and Family Replicated E_6 Unification
Previously we suggested a new preon model of composite quark-leptons and
bosons with the 'flipped' gauge symmetry group. We
assumed that preons are dyons having both hyper-electric and hyper-magnetic
charges, and these preons-dyons are confined by hyper-magnetic
strings which are an supersymmetric non-Abelian flux tubes created
by the condensation of spreons near the Planck scale. In the present paper we
show that the existence of the three types of strings with tensions
producing three (and only three) generations of composite
quark-leptons, also provides three generations of composite gauge bosons
('hyper-gluons') and, as a consequence, predicts the family replicated
unification at the scale GeV. This group of
unification has the possibility of breaking to the group of symmetry: which
undergoes the breakdown to the Standard Model at lower energies. Some
predictive advantages of the family replicated gauge groups of symmetry are
briefly discussed.Comment: This is a contribution to the Proc. of the Seventh International
Conference ''Symmetry in Nonlinear Mathematical Physics'' (June 24-30, 2007,
Kyiv, Ukraine), published in SIGMA (Symmetry, Integrability and Geometry:
Methods and Applications) at http://www.emis.de/journals/SIGMA
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