Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia

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, KK?, 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.

Original language	English
Article number	01025
Journal	EPJ Web of Conference
Volume	138
DOIs	https://doi.org/10.1051/epjconf/201713801025
Publication status	Published - 27 Mar 2017

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1051/epjconf/201713801025

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Surovtsev, Y. S., Bydžovský, P., Gutsche, T., Kamiński, R., Lyubovitskij, V. E., & Nagy, M. (2017). Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia. EPJ Web of Conference, 138, [01025]. https://doi.org/10.1051/epjconf/201713801025

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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, KK?, 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.",

author = "Surovtsev, {Yu. S.} and P. Byd{\v z}ovsk{\'y} and T. Gutsche and R. Kami{\'n}ski and Lyubovitskij, {V. E.} and M. Nagy",

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AU - Surovtsev, Yu. S.

AU - Bydžovský, P.

AU - Gutsche, T.

AU - Kamiński, R.

AU - Lyubovitskij, V. E.

AU - Nagy, M.

PY - 2017/3/27

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AB - 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, KK?, 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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