Mediation of Supersymmetry Breaking in a Class of String Theory Models
arXiv:0806.2672 · doi:10.1088/1126-6708/2009/03/023
Abstract
A consistent theory of supersymmetry breaking must have a hidden sector, an observable sector, and must be embedded in a locally supersymmetric theory which arises from string theory. For phenomenological reasons it must also transmit supersymmetry from the hidden to the visible sector in a dominantly flavor neutral manner. Also any such theory of supersymmetry breaking has to take into account the problem of quadratic divergences which arise once the theory is embedded in supergravity. A class of possible models that arise from GKP-KKLT type IIB string compactifications, incorporating all this while being consistent with gauge unification, with just the bare minimum of necessary supergravity/string theory moduli fields coupled to the minimally supersymmetric standard model, is presented. Such models give reasonable values for the soft masses, the and terms and the gaugino masses. Assuming that an actual detailed realization exists, it is very likely that they are the simplest such possibility .
arXiv commentMinor revisions. Version to be published in JHEP
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