arXiv:1305.6081·v1·High Energy Physics — Lattice
Determination of Delta resonance parameters from lattice QCD
C. Alexandrou🇨🇾 · J. W. Negele🇺🇸 · M. Petschlies🇨🇾 · A. Strelchenko🇺🇸 · A. Tsapalis🇬🇷
Abstract
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.