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28 March 2024
 
  » arxiv » 0909.1433

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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
AbstractWe 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
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