paper

Higher Dimensional Supersymmetry as an Origin of the Three Families for Quarks and Leptons

arXiv:hep-ph/0201086 · doi:10.1016/S0370-2693(02)01536-8

Abstract

In a (0,1) supersymmetric (SUSY) six-dimensional gauge theory, a gauge fermion gives rise to box anomalies. These anomalies are completely canceled by assuming a vector multiplet of (1,1) SUSY. With a T^2/Z_3 orbifold compactification of the extra two dimensional space, the theory provides three chiral multiplets and three equivalent fixed points. We regard them as the origin of the three families of quarks and leptons. Quasi anarchy structure in the SU(5)-5^* representation sector and hence the bimaximal mixing in the neutrino oscillation are explained quite naturally in this framework. We also discuss a family symmetry as a remnant of the higher-dimensional R symmetry.

12 pages, Contribution to "Peccei Fest" January 11-13,2002, a number of comments and an appendix are added

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