R-symmetry Matching In SUSY Breaking Models

TL;DR

This paper investigates how R-symmetry in low-energy supersymmetry breaking models originates from UV theories, emphasizing the importance of R-charge assignments and anomalies for model viability.

Contribution

It formulates necessary conditions for UV completions of R-symmetry breaking models and illustrates how IR R-symmetry relates to UV anomalies and charge assignments.

Findings

R-symmetry in IR models can be traced to UV anomalies or symmetries.

Negative R-charges in chiral superfields enable R-symmetry breaking.

Necessary conditions for UV completions of R-symmetry breaking models are identified.

Abstract

Low energy descriptions of metastable supersymmetry breaking models often possess an accidental R-symmetry. Viable phenomenological applications of this class of models require R-symmetry to be broken in the ground state. This can be achieved in O'Raifeartaigh-like models where some of the chiral superfields carry negative R-charges. In this paper we consider UV completions of this class of models and formulate necessary conditions that they must satisfy. We show that the R-symmetry of the IR description can be traced to an anomalous or anomaly-free R-symmetry of the UV theory and discuss several representative examples.