The contribution of multi-channel pion-pion scattering to the final states of ϒ-meson family decays
1 Bogoliubov Lab of Theoretical Physics, JINR, 141 980 Dubna, Russia
2 Nuclear Physics Institute, AS CR, 25068, Řež/Prague, Czech Republic
3 Institut für Theoretische Physik, Universität Tübingen, D–72076 Tübingen, Germany
4 Institute of Nuclear Physics, PAN, Krakow 31342, Poland
5 Department of Physics, Tomsk State University, 634050 Tomsk, Russia
6 Mathematical Physics Department, Tomsk Polytechnic University, Lenin ave. 30, 634050 Tomsk, Russia
7 Institute of Physics, SAS, Bratislava 84511, Slovak Republic
a e-mail: email@example.com
Published online: 26 November 2014
The effect of isoscalar S-wave multi-channel pion-pion scattering (ππ → ππ, KK̄, ηη) is considered in the analysis of data on decays – ϒ(2S) → ϒ(1S)ππ, ϒ(3S) → ϒ(1S)ππ and ϒ(3S) → ϒ(2S)ππ.
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.