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Scalar Mesons in η′→3π0,π0π+π−\eta'\to3\pi^{0},\pi^{0}\pi^{+}\pi^{-} Decays

Feb, 2010
10 pages
Published in:
  • Phys.Atom.Nucl. 73 (2010) 1789-1797
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DOI:
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Abstract: (arXiv)
The decays η′→3π0\eta'\to3\pi^{0} and π0π+π−\pi^{0}\pi^{+}\pi^{-} were consider in isobar model approach. Branching ratio and Dalitz-plot shape of the decay η′→3π0\eta'\to3\pi^{0} can be explain by a0a0- and σ\sigma-meson contributions. The σ\sigma meson term is needed for the Dalitz-plot distribution reconstruction. The branching ratio of the decay η′→π0π+π−\eta'\to \pi^{0}\pi^{+}\pi^{-} can be calculated in the same isobar framework. The prediction for the Dalitz-plot of this decay is shown which strongly dependents from model parameters.
Note:
  • 10 pages, 6 figures
  • 13.25.Jx
  • 13.75.Lb
  • 13.75.-n
  • Dalitz plot
  • eta(958): branching ratio
  • eta(958): hadronic decay
  • eta(958): decay modes
  • isobar model
  • a0(1320)
  • f0(600)