A coupled-channel meson-exchange calculation predicts P-wave B(*)Bbar(*) states Y(10600) and Y(10650), with Y(10650) matching threshold anomalies in Belle and Belle II data.
Strong coupling constants of charmed and bottom mesons with light vector mesons in QCD sum rules
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abstract
We estimate the strong coupling constants of charmed and bottom mesons $ D_{(s)}^* $, $ D_{(s)1} $, $ B_{(s)}^* $, and $ B_{(s)1} $ with light vector mesons $ \rho $, $ \omega $, $ K^* $, and $ \phi $ within the framework of light-cone QCD sum rules. We compare our estimations to the ones predicted by other approaches.
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Emergence of the exotic bottomoniumlike state $Y(10650)$ and support from Belle and Belle II data
A coupled-channel meson-exchange calculation predicts P-wave B(*)Bbar(*) states Y(10600) and Y(10650), with Y(10650) matching threshold anomalies in Belle and Belle II data.