pi pi scattering, pion form factors and chiral perturbation theory
High Energy Physics - Phenomenology
2009-11-11 v1
Abstract
I discuss recent progress in our understanding of the pi pi scattering amplitude at low energy thanks to the combined use of chiral perturbation theory and dispersion relations. I also comment on the criticism raised by Pelaez and Yndurain on this work.
Keywords
Cite
@article{arxiv.hep-ph/0501107,
title = {pi pi scattering, pion form factors and chiral perturbation theory},
author = {Gilberto Colangelo},
journal= {arXiv preprint arXiv:hep-ph/0501107},
year = {2009}
}
Comments
10 pages, 5 figures. Invited talk at the "Quark Confinement and the Hadron Spectrum" VI Conference, Villasimius, Sardinia, Italy, 21-25 September 2004