A method suitable for extracting resonance parameters of unstable baryons in lattice QCD is examined. The method is applied to the strong decay of the Delta to a pion-nucleon state, extracting the pion-nucleon - Delta coupling constant and Delta decay width.
@article{arxiv.1305.6081,
title = {Determination of Delta resonance parameters from lattice QCD},
author = {C. Alexandrou and J. W. Negele and M. Petschlies and A. Strelchenko and A. Tsapalis},
journal= {arXiv preprint arXiv:1305.6081},
year = {2013}
}