Three family $Z_3$ orbifold trinification, MSSM and doublet-triplet splitting problem

Abstract

A $Z_3$ orbifold compactification of $E_8\times E_8^{\prime }$ heterotic string is considered toward a trinification $SU(3{)}^3$ with three light families. The GUT scale VEV's of the $SU(2{)}_W\times U(1{)}_Y\times SU(3{)}_c$ singlet chiral fields in two sets of the trinification spectrum allow an acceptable symmetry breaking pattern toward MSSM. We show that a doublet-triplet splitting is related to the absence of a $\Delta B$ nonzero operator.

arXiv commentLatex file of 13 pages

References in corpus (3)

• Dynkin diagram strategy for orbifolding with Wilson lines
• $Z_3$ orbifold construction of $SU(3{)}^3$ GUT with ${\sin }^2{\theta }_W^0=3/8$
• Z_2 orbifold compactification of heterotic string and 6D SO(16) and E_7 times SU(2) flavor unification models

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• Higher-Dimensional Unified Theories with Fuzzy Extra Dimensions
• Low Energy Consequences of Five Dimensional SO(10)
• Tri-N-ification
• The Higgs Mechanism in Heterotic Orbifolds
• Higher-Dimensional Unification with continuous and fuzzy coset spaces as extra dimensions
• The anomalous U(1) global symmetry and flavors from an SU(5) x SU(5)${}^{\prime }$ GUT in $Z_{12-I}$ orbifold compactification
• SU(3) trits of orbifolded E_8 x E_8' heterotic string and supersymmetric standard model
• How low-scale Trinification sheds light in the flavour hierarchies, neutrino puzzle, dark matter and leptogenesis
• Intersecting Brane World from Type I Compactification
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• Leptonic color models from Z_8 orbifolded AdS/CFT
• Higgsino mass matrix ansatz for MSSM
• Five-dimensional Trinification Improved
• A D-brane inspired Trinification model
• Z_{12-I} Orbifold Compactification toward SUSY Standard Model