Sigma, Kappa and fo(980) in E791 and BES II data

Details Sigma, Kappa and fo(980) in E791 and BES II data Sigma, Kappa and fo(980) in E791 and BES II data

2005-10-06

arxiv.org/abs/hep-ex/0510021v2

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 8 figures. A shortened version of hep-ex.0510014, conforming to page restrictions for Hadron05 Proceedings

Scientific paper

10.1063/1.2176470

Both sigma and kappa are well established from E791 data on D->3pi and D->K-pi-pi$ and BES II data on J/Psi->omega-pi-pi and KKpipi. Fits to these data are accurately consistent with pi-pi and Kpi elastic scattering when one allows for the Adler zero which arises from Chiral Symmetry Breaking. The phase variation with mass is also consistent between elastic scattering and production data.

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