The strings connection: MSSM-like models from strings
Bethe Center for Theoretical Physics (BCTP) and Physikalisches Institut der Universität Bonn, Nussallee 12, 53115 , Bonn, Germany
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Accepted: 27 November 2013
Published online: 27 May 2014
String theory constructions towards the MSSM allow us to identify some general properties that could be relevant for tests at the LHC. They originate from the geometric structure of compactification and the location of fields in extra-dimensional space. Within the framework of the heterotic MiniLandscape we extract some generic lessons for supersymmetric model building. Among them is a specific pattern of SUSY breakdown based on mirage mediation and remnants of extended supersymmetry. This leads to a split spectrum with heavy scalars of the first two families of quarks and leptons and suppressed masses for gauginos, top partners and Higgs bosons. The models exhibit some specific form of hidden supersymmetry consistent with the high mass of the Higgs boson and all presently available experimental constraints. The most compelling picture is based on precision gauge coupling unification that might be in the kinematic reach of the LHC.
© SIF and Springer-Verlag Berlin Heidelberg, 2014