Solving the mu problem in gauge mediated supersymmetry breaking models with flavor symmetry

Details Solving the mu problem in gauge mediated supersymmetry breaking models with flavor symmetry Solving the mu problem in gauge mediated supersymmetry breaking models with flavor symmetry

2001-01-05

arxiv.org/abs/hep-ph/0101046v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages in LaTeX

Scientific paper

We suggest a solution to the \mu problem of gauge mediated supersymmtery breaking models based on flavor symmetries. In this scenario the \mu term arises through the vacuum expectation value of a singlet scalar field which is suppressed by a flavor symmetry factor relative to the scale of dynamical SUSY breaking. The same flavor symmetry also ensures that the soft SUSY breaking parameter B\mu is not much larger than \mu^2, a necessary condition for the stability of electroweak symmetry breaking. Explicit examples where B\mu ~ \mu^2 and B\mu << \mu^2 are presented. The latter case provides a natural solution to the supersymmetric CP problem. We show that the same flavor symmetry that suppresses the \mu and the B\mu parameters can also play a role in explaining the fermion mass and mixing hierarchy puzzle.

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