arXiv:nucl-th/0008063·v1·Nuclear Theory
from an Extended Effective Field Theory
P.J. Ellis (University of Minnesota)🇺🇸
Abstract
Third order chiral perturbation theory accounts for the scattering phase shift data out to energies slightly below the position of the resonance. The low energy constants are not accurately determined. Explicit inclusion of the field is favored.
Comments: 2 pages latex, working group talk, Chiral Dynamics 2000, Jefferson Lab., VA, July 2000, World Scientific, to be pub