
TL;DR
This paper explores the implications of metastable dynamical supersymmetry breaking within gravity mediation frameworks, focusing on models with discrete R symmetries and their effects on supersymmetry breaking parameters and phenomenology.
Contribution
It introduces retrofitted models of gravity mediation with discrete R symmetries, analyzing their impact on supersymmetry breaking terms and split supersymmetry scenarios.
Findings
Discrete R symmetries influence B and A terms significantly.
High-scale SUSY breaking can address flavor and cosmological issues.
Retrofitted models can naturally realize split supersymmetry.
Abstract
Most discussion of metastable dynamical supersymmetry breaking (MDSB) has focussed on low energy breaking, as in gauge mediation. It is of interest to consider possible implications for intermediate scale breaking ("gravity mediation"), especially as the early LHC results suggest the possibility that supersymmetry, if broken at relatively low energies, might be tuned. A somewhat high scale for susy breaking could ameliorate the usual flavor problems of gravity mediation, resolve the question of cosmological moduli, and account for a Higgs with mass well above . We study MDSB in gravity mediation, especially retrofitted models in which discrete symmetries play an important role, considering questions including implications of symmetries for and terms, and the genericity of split supersymmetry.
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