Radiative generation of light fermion masses in a SU(3)H horizontal symmetry model
A. Hernández Galeana
Departamento de Física de la Escuela Superior de Física y Matemáticas. Instituto Politécnico Nacional. U.P. "Adolfo López Mateos", C.P. 07738. México, D.F.
Recibido el 29 de enero de 2004. ]]> Aceptado el 19 de marzo de 2004.
Abstract
In a model with a gauge group SU(3)H ⊗ GSM, where SU(3)H is a horizontal symmetry and GSM = SU(3)C ⊗ SU(2)L ⊗ U(1)Y is the standard model, we propose a radiative mechanism of mass generation mediated by the SU(3)H gauge bosons for the light fermions, meanwhile the masses of the heaviest family are generated by the implementation of see - saw mechanisms with the introduction of vectorial fermions.
Keywords: Horizontal symmetry; fermion masses.
Resumen
En un modelo con grupo de norma SU(3)H ⊗ GSM, donde SU(3)H es una simetría horizontal y GSM = SU(3)C ⊗ SU(2)L ⊗ U(1)Y es el Modelo Estándar, proponemos un mecanismo radiativo de generación de masas a través de los bosones vectoriales de SU(3)H para los fermiones ligeros, mientras que las masas de la familia mas pesada se generan por medio de la implementación de mecanismos see - saw con la introducción de fermiones vectoriales.
Descriptores: Simetría horizontal; masas de fermiones.
]]> PACS: 12.15.Ff; 12.10.-g
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