Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the Y mesons; International Journal of Modern Physics: Conference Series; Vol. 39 : The 9th Joint International Hadron Structure '15 Conference, Horný Smokovec, Slovak Republic, 29 June-3 July 2015

Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the Y mesons; International Journal of Modern Physics: Conference Series; Vol. 39 : The 9th Joint International Hadron Structure '15 Conference, Horný Smokovec, Slovak Republic, 29 June-3 July 2015

Библиографические подробности
Источник:	International Journal of Modern Physics: Conference Series Vol. 39 : The 9th Joint International Hadron Structure '15 Conference, Horný Smokovec, Slovak Republic, 29 June-3 July 2015.— 2015.— [1560090, 11 p.]
Автор-организация:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра высшей математики и математической физики (ВММФ)
Другие авторы:	Surovtsev Yu. S. Yury Stepanovich, Bydzovsky P., Gutsche Th. Thomas, Kaminski R. Robert, Nagy M. Miroslav, Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich
Примечания:	Title screen The effect of isoscalar S-wave processes ππ→ππ,KK¯,ηηππ→ππ,KK¯,ηη is considered in the analysis of data (from the ARGUS, CLEO, CUSB, Crystal Ball, Belle, BABAR collaborations) on the bottomonia decays - Υ(mS)→Υ(nS)ππΥ(mS)→Υ(nS)ππ (m>n,m=2,3,4,5,n=1,2,3m>n,m=2,3,4,5,n=1,2,3). It is shown that the dipion mass spectra of these decays are explained by the unified mechanism related to the contribution of the multichannel ππππ scattering in the final states of these reactions. Since in the analysis the multichannel ππππ-scattering amplitudes did not change in comparison with the ones in our combined analysis of data on the multichannel ππππ scattering and on the charmonia decays - J/ψ→ϕ(ππ,KK¯¯¯¯¯)J/ψ→ϕ(ππ,KK¯) and ψ(2S)→J/ψ(ππ)ψ(2S)→J/ψ(ππ) (from the Crystal Ball, DM2, Mark II, Mark III, and BES II) - the results confirm all our earlier conclusions on the scalar mesons.
Язык:	английский
Опубликовано:	2015
Предметы:	электронный ресурс труды учёных ТПУ мезоны
Online-ссылка:	http://dx.doi.org/10.1142/S2010194515600903
Формат:	Электронный ресурс Статья
Запись в KOHA:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647955

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