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Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia Yu. S. Surovtsev, P. Bydžovský, T. Gutsche [et al.]
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ArticleSubject(s): двухпионные переходы | интерференционные явления | чармоний | боттомонийGenre/Form: статьи в журналах Online resources: Click here to access online
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EPJ Web of Conferences Vol. 138. P. 01025 (1-10)Abstract: The basic shape of di-pion mass spectra in the two-pion transitions of both charmonia and bottomonia states is explained by a unified mechanism based on contributions of the ππ, KK̅, and ηη coupled channels including their interference. The role of the individual f0 resonances in shaping the di-pion mass distributions in the charmonia and bottomonia decays is considered.
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Библиогр.: 16 назв.
The basic shape of di-pion mass spectra in the two-pion transitions of both charmonia and bottomonia states is explained by a unified mechanism based on contributions of the ππ, KK̅, and ηη coupled channels including their interference. The role of the individual f0 resonances in shaping the di-pion mass distributions in the charmonia and bottomonia decays is considered.
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