Rb in Supergravity Grand Unification with Non-universal Soft SUSY Breaking
Abstract
An analysis of supersymmetric contributions to Rb in supergravity grand unification with non-universal boundary conditions on soft SUSY breaking in the scalar sector is given. Effects on Rb of Planck scale corrections on gaugino masses are also analysed. It is found that there exist regions of the parameter space where positive corrections to Rb of size 1 σ can be gotten. The region of the parameter space where enhancement of Rb occurs is identified. Prediction of the full sparticle spectrum for the maximal Rb case is given. The analysis has implications for the discovery of supersymmetric particles at colliders.
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