Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua

Details Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua

2007-03-29

arxiv.org/abs/hep-th/0703281v1

JHEP 0707:017,2007

Physics

High Energy Physics

High Energy Physics - Theory

23 pages

Scientific paper

10.1088/1126-6708/2007/07/017

Models of spontaneous supersymmetry breaking generically have an R-symmetry, which is problematic for obtaining gaugino masses and avoiding light R-axions. The situation is improved in models of metastable supersymmetry breaking, which generically have only an approximate R-symmetry. Based on this we argue, with mild assumptions, that metastable supersymmetry breaking is inevitable. We also illustrate various general issues regarding spontaneous and explicit R-symmetry breaking, using simple toy models of supersymmetry breaking.

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