2 papers
hep-ph2006
pi pi scattering
H. Leutwyler
Recent work in low energy pion physics is reviewed. One of the exciting new developments in this field is that simulations of QCD on a lattice now start providing information about…
hep-ph2000
Chiral Dynamics
H. Leutwyler
The effective field theory relevant for the analysis of QCD at low energies is reviewed. The foundations of the method are discussed in some detail and a few illustrative examples…