Effect of sigma(600)-Production in pp_bar to 3pi0 at rest
High Energy Physics - Phenomenology
2009-10-31 v1
Abstract
The pi0 pi0 mass spectra and angular distributions around KK_bar-threshold and at 1.5 GeV in pp_bar(at rest) to 3pi0 in the Crystal Barrel experiment are reanalyzed by applying the new method, which is consistent with unitarity of S-matrix and expressed directly by resonance parameters. The effects of light sigma-meson production are clearly seen to improve the fit with sigma, in comparing with the fit without sigma.
Cite
@article{arxiv.hep-ph/9910248,
title = {Effect of sigma(600)-Production in pp_bar to 3pi0 at rest},
author = {Muneyuki Ishida and Toshihiko Komada and Shin Ishida and Taku Ishida and Kunio Takamatsu and Tsuneaki Tsuru},
journal= {arXiv preprint arXiv:hep-ph/9910248},
year = {2009}
}
Comments
4 pages, 1 eps figure, uses espcrc1.sty Proceedings of the int. conf. Hadron'99 at Beijing, Aug. in 1999. For our activities on sigma, visit http://amaterasu.kek.jp/sigma