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

Understand

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).