On the dispersion theory of $\pi\pi$ scattering
High Energy Physics - Phenomenology
2008-11-26 v1
Abstract
Recent developments in low energy pion physics are reviewed, emphasizing the strength of dispersion theory in this context. As an illustration of the method, I discuss some consequences of the forward dispersion relation obeyed by the isoscalar component of the scattering amplitude.
Keywords
Cite
@article{arxiv.hep-ph/0612111,
title = {On the dispersion theory of $\pi\pi$ scattering},
author = {H. Leutwyler},
journal= {arXiv preprint arXiv:hep-ph/0612111},
year = {2008}
}
Comments
Contribution to the proceedings of the workshop "Quark Confinement and the Hadron Spectrum VII", Ponta Delgada, Azores Islands, Portugal, September 2006