Notes on SUSY and R-Symmetry Breaking in Wess-Zumino Models

Details Notes on SUSY and R-Symmetry Breaking in Wess-Zumino Models Notes on SUSY and R-Symmetry Breaking in Wess-Zumino Models

2009-02-02

arxiv.org/abs/0902.0030v3

JHEP 0904:093,2009

Physics

High Energy Physics

High Energy Physics - Theory

23 pages. v2: references added, minor changes. v3: comment on non-renormalizable case added

Scientific paper

10.1088/1126-6708/2009/04/093

We study aspects of Wess-Zumino models related to SUSY and R-symmetry breaking at tree-level. We present a recipe for constructing a wide class of tree-level SUSY and R-breaking models. We also deduce a general property shared by all tree-level SUSY breaking models that has broad application to model building. In particular, it explains why many models of direct gauge mediation have anomalously light gauginos (even if the R-symmetry is broken spontaneously by an order one amount). This suggests new approaches to dynamical SUSY breaking which can generate large enough gaugino masses.

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