Understanding I=2 pi-pi Interaction
High Energy Physics - Phenomenology
2009-11-10 v1
Abstract
A correct understanding and description of the I=2 pi-pi S-wave interaction is important for the extraction of the I=0 pi-pi S-wave interaction from experimental data and for understanding the I=0 pi-pi S-wave interaction theoretically. With t-channel rho, f2(1270) exchange and the pi pi -> rho rho -> pi pi box diagram contribution, we reproduce the pi-pi isotensor S-wave and D-wave scattering phase shifts and inelasticities up to 2.2 GeV quite well in a K-matrix formalism.
Keywords
Cite
@article{arxiv.hep-ph/0405118,
title = {Understanding I=2 pi-pi Interaction},
author = {B. S. Zou and F. Q. Wu and L. Li and D. V. Bugg},
journal= {arXiv preprint arXiv:hep-ph/0405118},
year = {2009}
}
Comments
Talk given at Hadron 03: 10th International Conference on Hadron Spectroscopy, Aschaffenburg, Germany, 31 Aug - 6 Sep 2003