Limits on tan beta in SU(5) GUTs with Gauge-Mediated Supersymmetry Breaking
H. Hamidian, K. Huitu, K. Puolamaki, D. -X. Zhang
Abstract
By considering the constraints from nucleon decay we obtain upper limits on tan beta in generalized supersymmetric SU(5) grand unified theories with gauge-mediated supersymmetry breaking. We find that the predicted values of tan beta in these models are mostly inconsistent with the constraints from nucleon decay.
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