Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-10-27
Nucl.Phys. B546 (1999) 3-18
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 3 figures; typos corrected, refs added, conforms to published version
Scientific paper
10.1016/S0550-3213(99)00026-7
The supersymmetric flavor problem may be solved if the first and second generation scalars are heavy (with multi-TeV masses) and scalars with large Higgs couplings are light (with sub-TeV masses). We show that such an inverted spectrum may be generated radiatively; that is, from initial conditions where all scalar masses are multi-TeV at some high scale, those with large Higgs couplings may be driven asymptotically to the weak scale in the infra-red. The lightness of third generation scalars is therefore a direct consequence of the heaviness of third generation fermions, and fine-tuning is avoided even though the fundamental scale of the soft supersymmetry breaking parameters is multi-TeV. We investigate this possibility in the framework of the usual Yukawa quasi-fixed point solutions. The required high scale boundary conditions are found to be simple and highly predictive. This scenario also alleviates the supersymmetric CP and Polonyi problems.
Feng Jonathan L.
Kolda Christopher
Polonsky Nir
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