Z'-mediated Supersymmetry Breaking

Abstract

We consider a class of models in which supersymmetry breaking is communicated dominantly via a U'(1) gauge interaction, which also helps solve the μproblem. Such models can emerge naturally in top-down constructions and are a version of split supersymmetry. The spectrum contains heavy sfermions, Higgsinos, exotics, and Z' ~ 10-100 TeV; light gauginos ~ 100-1000 GeV; a light Higgs ~ 140 GeV; and a light singlino. A specific set of U'(1) charges and exotics is analyzed, and we present five benchmark models. Implications for the gluino lifetime, cold dark matter, and the gravitino and neutrino masses are discussed.

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References in corpus (2)

• Possible Signals of Wino LSP at the Large Hadron Collider
• Looking for a heavy wino LSP in collider and dark matter experiments

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• A Higher Form (of) Mediation
• Radiative B-L symmetry breaking and the Z' mediated SUSY breaking
• B-L assisted Anomaly Mediation and the radiative B-L symmetry breaking
• Z' Boson Mixings with Z-γand Charge Assignments