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hep-ph2001
Pion-nucleon sigma-term - a review
M. E. Sainio
A brief review of the pion-nucleon sigma-term is given. Aspects of both chiral perturbation theory and phenomenology are discussed.
hep-ph2001
Resurrecting the KH78/80 partial wave analysis
P. Piirola, E. Pietarinen, M. E. Sainio
Most of the data from the meson factories were available only after the partial wave analysis of Koch and Pietarinen was published over 20 years ago. Since then, both the expe…