Unified Supersymmetric Model of Naturally Small Dirac Neutrino Masses and the Axionic Solution of the Strong CP Problem
Abstract
Using the particle content of the fundamental 27 supermultiplet of E6, naturally small Dirac neutrino masses are obtained in the context of SU(3)C times SU(2)L times U(1)Y times U(1)chi, where U(1)chi comes from the decomposition E6 to SO(10) times U(1)psi, then SO(10) to SU(5) times U(1)chi. New observable consequences are predicted at the TeV scale. An axionic solution of the strong CP problem may be included at no extra cost.
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