Stabilizing the invisible axion in 3-3-1 models
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2004-01-01
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Dias, Alex G.
Pleitez, V. [UNESP]
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By introducing local [Formula Presented] symmetries with [Formula Presented] in two 3-3-1 models, it is possible to implement an automatic Peccei-Quinn symmetry, keeping the axion protected against gravitational effects at the same time. Both models have a [Formula Presented] domain wall problem and the neutrinos are strictly Dirac particles. © 2004 The American Physical Society.
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Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 69, n. 7, p. 4-, 2004.