The interference effects of multi-channel pion-pion scattering contributions to the final states of Ψ- and γ-meson family decays

The interference effects of multi-channel pion-pion scattering contributions to the final states of Ψ- and γ-meson family decays

It is shown that the basic shape of dipion mass distributions in the twopion transitions of both charmonia and bottomonia states are explained by an unified mechanism based on the contribution of the ππ, KK̄ and ηη coupled channels including their interference.

Bibliographic Details
Main Authors:	Surovtsev Yu.S., Bydžovský P., Gutsche T., Kamiński R., Lyubovitskij V.E., Nagy M.
Format:	Article
Language:	English
Published:	EDP Sciences 2016-01-01
Series:	EPJ Web of Conferences
Online Access:	http://dx.doi.org/10.1051/epjconf/201613004005

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