Volume 340 -
The 39th International Conference on High Energy Physics
(ICHEP2018) -
Parallel: Strong Interactions and Hadron Physics
Observation of $\gamma(4S) → \eta’ \gamma(1S)$ and $\gamma(2S) → \Gamma \eta_b(1S)$ at Belle
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Published on:
August 02, 2019
Abstract
Bottomonium is the bound state of a bottom quark and its anti-quark counterpart. This talk presents two recent first observations from the Belle experiment related to hadronic and radiative decays in the bottomonium system. The first is the observation of Y(4S) -> eta' Y(1S), and the second is the decay of Y(2S) -> gamma eta_b(1S). The purpose of this talk is to present details of both analyses.
DOI: https://doi.org/10.22323/1.340.0144
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.