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We study certain small supersymmetry-breaking perturbations of a large classof strongly coupled four-dimensional R-symmetric renormalization group (RG)flows between superconformal field theories in the ultraviolet (UV) and theinfrared (IR). We analyze the conditions under which these perturbations scaleto zero at leading order in the deep IR, resulting in accidental supersymmetry.Furthermore, we connect the emergence of IR supersymmetry in this context witha quantity that was recently conjectured to be larger at the UV starting pointsof the underlying supersymmetric flows than at the corresponding IR endpoints,and we propose a bound on emergent supersymmetry. Along the way, we prove asimple and useful non-perturbative theorem regarding the IR behavior of globalflavor currents. Our results suggest general ways in which light stop particlescan emerge and potentially influence physics at the Large Hadron Collider.

Non-Perturbative Constraints on Light Sparticles from Properties of the RG Flow