Sweet Spot Supersymmetry and Composite Messengers

TL;DR

This paper explores a class of dynamical models for supersymmetry breaking within the sweet spot supersymmetry framework, predicting messenger scales and the role of hadron fields as messengers, with implications for phenomenology and cosmology.

Contribution

It introduces dynamical models where hadron fields act as messengers, predicting specific messenger scales and varying messenger numbers based on gauge group choices.

Findings

Messenger scale predicted between 10^5 and 10^{10} GeV

Hadron fields serve as supersymmetry breaking messengers

Flexible number of messengers depending on gauge group

Abstract

Sweet spot supersymmetry is a phenomenologically and cosmologically perfect framework to realize a supersymmetric world at short distance. We discuss a class of dynamical models of supersymmetry breaking and its mediation whose low-energy effective description falls into this framework. Hadron fields in the dynamical models play a role of the messengers of the supersymmetry breaking. As is always true in the models of the sweet spot supersymmetry, the messenger scale is predicted to be 10^5 GeV < M_mess < 10^{10} GeV. Various values of the effective number of messenger fields N_mess are possible depending on the choice of the gauge group.