Z₃ orbifold construction of SU(3)³ GUT with ²θW⁰=3/8
Kim, Jihn E.
Original · EN
It is argued that a phenomenologically viable grand unification model from superstring is SU(3)³, the simplest gauge group among the grand unifications of the electroweak hypercharge embedded in semi-simple groups. We construct a realistic 4D SU(3)³ model with the GUT scale ²θW⁰= 38 in a Z₃ orbifold with Wilson line(s). By two GUT scale vacuum expectation values, we obtain a rank 4 supersymmetric standard model below the GUT scale, and predict three more strange families.
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