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

Yu. S. Surovtsev, P. Bydžovský, T. Gutsche, R. Kamiński, V. E. Lyubovitskij, M. Nagy

Research School of High-Energy Physics

Research output: Contribution to journal › Article

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

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

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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AU - Kamiński, R.

AU - Lyubovitskij, V. E.

AU - Nagy, M.

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10.1051/epjconf/201713801025