Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-01-14
Phys.Lett. B609 (2005) 111-116
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, no figure, revtex4
Scientific paper
10.1016/j.physletb.2005.01.050
If supersymmetry (SUSY) is not for stabilizing the electroweak energy scale, what is it used for in particle physics? We propose that it is for flavor problems. A cyclic family symmetry is introduced. Under the family symmetry, only the $\tau$-lepton is massive due to the vacuum expectation value (VEV) of the Higgs field. This symmetry is broken by a sneutrino VEV which results in the muon mass. The comparatively large sneutrino VEV does not result in a large neutrino mass due to requiring heavy gauginos. SUSY breaks at a high scale $\sim 10^{13}$ GeV. The electroweak energy scale is unnaturally small. No additional global symmetry, like the R-parity, is imposed. Other aspects of the model are discussed.
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