Pion-nucleon sigma-term - a review
arXiv:hep-ph/0110413
Abstract
A brief review of the pion-nucleon sigma-term is given. Aspects of both chiral perturbation theory and phenomenology are discussed.
6 pages, 9th International Symposium on Meson-Nucleon Physics and the Structure of the Nucleon, 26-31 July, 2001, Washington D.C