We show that a good description of the Υ(10860) properties, in particular the mass, the e+e− leptonic widths and the π+π−Υ(ns)(n=1,2,3) production rates, can be obtained under the assumption that Υ(10860) is a mixing of the conventional Υ(5s) quark model state with the lowest P− wave hybrid state.
Cite
@article{arxiv.1811.08236,
title = {A plausible explanation of $\Upsilon(10860)$},
author = {Roberto Bruschini and Pedro González},
journal= {arXiv preprint arXiv:1811.08236},
year = {2019}
}