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Canonical interpretation of Y(10750) and $$\Upsilon (10860)$$Υ(10860) in the $$\Upsilon $$Υ family

Qi Li, Ming-Sheng Liu, Qi-Fang Lü, Long-Cheng Gui, Xian-Hui Zhong
2020 European Physical Journal C: Particles and Fields  

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Inspired by the new resonance Y (10750), we calculate the masses and two-body OZI-allowed strong decays of the higher vector bottomonium sates within both screened and linear potential models. We discuss the possibilities of ϒ(10860) and Y (10750) as mixed states via the S − D mixing. Our results suggest that Y (10750) and ϒ(10860) might be explained as mixed states between 5S-and 4D-wave vector bb states. The Y (10750) and ϒ(10860) resonances may correspond to the mixed states dominated by the
more » ... 4D-and 5S-wave components, respectively. The mass and the strong decay behaviors of the ϒ(11020) resonance are consistent with the assignment of the ϒ(6S) state in the potential models. Eur. Phys. J. C (2020) 80:59
doi:10.1140/epjc/s10052-020-7626-2 fatcat:qnnjs4zeqjgm5fsa7kvgojev7i
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Qi Li, Ming-Sheng Liu, Qi-Fang Lü, Long-Cheng Gui, Xian-Hui Zhong. "Canonical interpretation of Y(10750) and $$\Upsilon (10860)$$Υ(10860) in the $$\Upsilon $$Υ family." European Physical Journal C: Particles and Fields 80.1 (2020)