Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-03-27
J.Phys.G34:1789-1802,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 6 figures
Scientific paper
10.1088/0954-3899/34/7/017
We study S- and P-wave pion-pion and kaon-pion distributions for the three-body production processes $J/\psi\to\omega\pi^{+}\pi^{-}$, $D^{+}\to K^{-}\pi^{+}\pi^{+}$, $D^{+}\to K^{+}\pi^{+}\pi^{-}$, and $D^{+}_{s}\to K^{+}\pi^{+}\pi^{-}$, by applying the Resonance-Spectrum Expansion to the two-body subamplitudes. The results are compared to the corresponding signals reported by the BES, E791 and FOCUS collaborations. We find that the studied S- and P-wave channels can largely account for the observed structures in the data up to 1 GeV.
Beveren Eef van
Rupp George
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