Ma, Ernest ; Rajasekaran , G. (2001) Softly broken A4 symmetry for nearly degenerate neutrino masses Physical Review D, 64 (11). 113012_1-113012_5. ISSN 0556-2821
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Official URL: http://prd.aps.org/abstract/PRD/v64/i11/e113012
Related URL: http://dx.doi.org/10.1103/PhysRevD.64.113012
Abstract
The leptonic Higgs doublet model of neutrino masses is implemented with an A4 discrete symmetry (the even permutation of four objects or equivalently the symmetry of the tetrahedron) which has four irreducible representations: 1¯,1¯,1¯″, and 3¯. The resulting spontaneous and soft breaking of A4 provides a realistic model of charged-lepton masses as well as a nearly degenerate neutrino mass matrix. The phenomenological consequences at and below the TeV scale are discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 41116 |
| Deposited On: | 26 May 2011 12:44 |
| Last Modified: | 27 May 2011 07:22 |
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