Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 59, Issue 2, Pages 249-267Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-008-0740-1
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Funding
- DFG
- European Union 6th framework program [MRTN-CT-2004-503069, MRTN-CT-2004-005104, MRTN-CT-2006-035863]
- Deutsche Forschungsgemeinschaft (DFG)
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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 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 mu problem; (v) see-saw suppressed neutrino masses.
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