The Exact MSSM Spectrum from String Theory

@inproceedings{Braun2005TheEM,
  title={The Exact MSSM Spectrum from String Theory},
  author={Volker Braun and Yang-Hui He and Burt A. Ovrut and Tony G. Pantev},
  year={2005}
}
We show the existence of realistic N = 1 supersymmetric vacua whose observable sector has exactly the matter content of the MSSM. This is achieved by compactifying the E8 ×E8 heterotic superstring on a smooth Calabi-Yau threefold with an SU(4) gauge instanton and a Z3 ×Z3 Wilson line. Specifically, the observable sector has gauge group SU(3)C × SU(2)L × U(1)Y × U(1)B−L, three families of quarks and leptons including the right-handed neutrino, and one Higgs–Higgs conjugate pair. Importantly… CONTINUE READING
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