Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-01-13
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 5 figures. Invited talk at the "Quark Confinement and the Hadron Spectrum" VI Conference, Villasimius, Sardinia, Ita
Scientific paper
10.1063/1.1920933
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.
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