Observation of $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0{\chi }_{bJ}$ and search for $X_b\to \omega {\rm Y}(1S)$ at $\sqrt{s}\sim 10.867$ GeV

Belle Collaboration, X. H. He, C. P. Shen +158

The $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0{\chi }_{bJ}$ ($J=0,1,2$) processes are studied using a 118~fb${}^{-1}$ data sample collected at a center-of-mass energy of 10.867 GeV, in the ${\rm Y}(10860)$ ener…