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Study of chi_(bJ)(nP) rightarrow ω Upsilon(1S) at Belle
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arxiv 2108.03497 v2 pith:MQMCO55L submitted 2021-08-07 hep-ex
Study of chi_(bJ)(nP) rightarrow ω Upsilon(1S) at Belle
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We report results from a study of hadronic transitions of the $\chi_{bJ}(nP)$ states of bottomonium at Belle. The $P$-wave states are reconstructed in transitions to the $\Upsilon(1S)$ with the emission of an $\omega$ meson. The transitions of the $n=2$ triplet states provide a unique laboratory in which to study nonrelativistic quantum chromodynamics, as the kinematic threshold for production of an $\omega$ and $\Upsilon(1S)$ lies between the $J=0$ and $J=1$ states. A search for the $\chi_{bJ}(3P)$ states is also reported.
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