Effect of sigma(600)-Production in pp_bar to 3pi0 at rest

Details Effect of sigma(600)-Production in pp_bar to 3pi0 at rest Effect of sigma(600)-Production in pp_bar to 3pi0 at rest

1999-10-06

arxiv.org/abs/hep-ph/9910248v1

Nucl.Phys. A675 (2000) 222c-225c

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 eps figure, uses espcrc1.sty Proceedings of the int. conf. Hadron'99 at Beijing, Aug. in 1999. For our activities o

Scientific paper

10.1016/S0375-9474(00)00253-0

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.

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