A grand unified model with MG Mstring and MI 1012 GeV
Abstract
We present a model based on the gauge group SU(2)L× SU(2)R × SU(4)C with gauge couplings that are found to be unified at a scale near the string unification scale. This model breaks to the MSSM at an intermediate scale which is instrumental in producing a neutrino in a mass range that can serve as hot dark matter and can also solve the strong CP problem via a harmless invisible axion.
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