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Analysis of the ψ(4040) and ψ(4160) decay into D(∗)D¯ (∗) , Ds(∗)D¯s(∗)

Other TitlesAnalysis of the psi (4040) and psi (4160) decay into D-(*()) (D)over-bar(()*()), D-s(()*()) (D)over-bar(s)(()*())
AuthorsBayar, M. ; Ikeno, N.; Oset, Eulogi
Issue DateMar-2020
CitationEuropean Physical Journal C 80 (3): (2020)
AbstractWe have performed an analysis of the ee→ DD¯ data in the region of the ψ(4040) and ψ(4160) resonances which have a substantial overlap and require special care. By using the P model to relate the different DD¯ production modes, we make predictions for production of these channels and compare with experiment and other theoretical approaches. As a side effect we find that these resonances qualify largely as cc¯ states and the weight of the meson–meson components in the wave function is very small.
Publisher version (URL)http://dx.doi.org/10.1140/epjc/s10052-020-7785-1
Identifiersdoi: 10.1140/epjc/s10052-020-7785-1
issn: 1434-6052
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