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 Gravity Mediation Retrofitted


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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 $M Z$. We study MDSB in gravity mediation, especially retrofitted models in which discrete $R$ symmetries play an important role, considering questions including implications of symmetries for $B$ and $A$ terms, and the genericity of split supersymmetry.



Author: Milton Bose; Michael Dine

Source: https://archive.org/



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