From strings to the MSSM
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We review recent progress in embedding the supersymmetric standard model into string theory. We discuss how, with the incorporation of certain aspects of grand unification, a search strategy can be developed that allows to efficiently find rather large numbers of promising string vacua. Global string-derived models with the following features are discussed: (i) exact MSSM spectrum below the unification scale; (ii) R parity; (iii) hierarchical Yukawa couplings with non-trivial mixing; (iv) solution to the mu problem; (v) see-saw suppressed neutrino masses.
Based on invited talks given at the conferences SUSY07 (Karlsruhe), Planck08 (Barcelona), String-Phenomenology08 (Philadelphia), PASCOS08 (Waterloo) and SUSY08 (Seoul). To be published in "Supersymmetry on the Eve of the LHC", a special volume of EPJC dedicated to the memory of Julius Wess
Based on invited talks given at the conferences SUSY07 (Karlsruhe), Planck08 (Barcelona), String-Phenomenology08 (Philadelphia), PASCOS08 (Waterloo) and SUSY08 (Seoul). To be published in "Supersymmetry on the Eve of the LHC", a special volume of EPJC dedicated to the memory of Julius Wess