The MSSM without mu term
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We propose a supersymmetric extension of the standard model which does not have a ``mu'' supersymmetric Higgs mass parameter. The matter content of the MSSM is extended with three additional chiral superfields: one singlet, an SU(2) triplet and a color octet, and an approximate U(1)_R symmetry naturally guarantees that tan(beta) is large, explaining the top/bottom quark mass hierarchy. Unlike in the MSSM, there are significant upper bounds on the masses of superpartners, including an upper bound of 114 GeV on the mass of the lightest chargino. However the MSSM bound on the lightest Higgs mass does not apply.
7 pages, 3 figures. Talk given by N.R. at the 10th International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY02) held at DESY, Hamburg, Germany, June 17-22, 2002
7 pages, 3 figures. Talk given by N.R. at the 10th International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY02) held at DESY, Hamburg, Germany, June 17-22, 2002