Tr. Hemmert et al., HEAVY BARYON CHIRAL PERTURBATION-THEORY WITH LIGHT DELTAS, Journal of physics. G, Nuclear and particle physics (Print), 24(10), 1998, pp. 1831-1859
We demonstrate how heavy mass methods, previously applied to chiral pe
rturbation theory calculations involving the interactions of nucleons
and pions, can be generalized to include interactions with the Delta(1
232) in a systematic formalism which we call the 'small-scale expansio
n'.