Электронная библиотека (репозиторий) Томского государственного университета
боттомоний | Gutsche, Thomas

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Add   Effect of the ηη channel and interference phenomena in the two-pion transitions of charmonia and bottomonia
Authors: Bydžovský, Petr | Gutsche, Thomas | Kamiński, Robert | Lyubovitskij, Valery E. | Nagy, Miroslav | Surovtsev, Yurii S.
Source: EPJ Web of Conferences. 2017. Vol. 138. P. 01025 (1-10)
Type: статьи в журналах
Date: 2017
Description: 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, KK̅, and ηη coupled ch ... More
Add   Unified description of BABAR and Belle data on the bottomonia decays Υ(mS)→Υ(nS)π+π-
Authors: Surovtsev, Yurii S. | Gutsche, Thomas | Kamiński, Robert | Lyubovitskij, Valery E. | Nagy, Miroslav | Bydžovský, Petr
Source: Physical Review D. 2015. Vol. 92, № 3. P. 036002-1-036002-8
Type: статьи в журналах
Date: 2015
Description: We present a unified analysis of the decays of bottomonia Υ(mS)→Υ(nS)ππ (m>n, m=2,3,4,5, n=1,2,3), charmonia J/ψ→ϕ(ππ,KK¯), ψ(2S)→J/ψππ, and the isoscalar S-wave processes ππ→ππ,KK¯,ηη. In this analys ... More
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