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$A_4$ Family Symmetry from SU(5) SUSY GUTs in 6d | T.J. Burrows
; S.F. King
; | Date: |
8 Sep 2009 | Abstract: | We propose a model in which $A_4$ Family Symmetry arises dynamically from a
six dimensional orbifold SU(5) Supersymmetric Grand Unified Theory. The SU(5)
is broken to the Standard Model gauge group by a particular orbifold
compactification leading to $A_4$ Family Symmetry, low energy Supersymmetry and
Higgs doublet-triplet splitting. The resulting four dimensional effective
superpotential leads to a realistic description of quark and lepton masses and
mixing angles including tri-bimaximal neutrino mixing, Georgi-Jarlskog
relations between down-type quark and charged lepton masses, and an
inter-family mass hierarchy provided by a Froggatt-Nielsen mechanism. | Source: | arXiv, 0909.1433 | Services: | Forum | Review | PDF | Favorites |
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