Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-11-21
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, LaTeX2e
Scientific paper
We consider models for physics beyond the standard model in which supersymmetry is broken spontaneously near the weak scale by fields that are charged under electroweak symmetry. We show that this is possible if some or all of the light quarks and leptons are composite near the weak scale. Flavor-changing neutral currents can be naturally suppressed by a GIM mechanism or by approximate flavor symmetries. CP and B violation may be suppressed by accidental symmetries. We give a general effective field theory analysis of such models, and argue that they can be phenomenologically acceptable and lead to interesting observable signals in future experiments. We then construct explicit models based on non-perturbative effects discovered by Seiberg.
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