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From strings to the MSSM

  • Author(s): Nilles, Hans Peter
  • Ramos-Sánchez, Saúl
  • Ratz, Michael
  • Vaudrevange, Patrick KS
  • et al.
Abstract

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 one 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 μ problem; (v) see-saw suppressed neutrino masses. © 2008 Springer-Verlag / Società Italiana di Fisica.

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