Searching for the toponium ${\eta }_t$ with the ${\eta }_t$ $\to$ $W^{+}{W}^{-}$ decay

Yueling Yang, Bingbing Yang, Jiazhi Li +2

Inspired by the observation of the ${\eta }_t$ meson at the LHC and the promising prospect of the ${\eta }_t$ meson available at the approaching HL-LHC, branching ratios for the ${\eta }_t$ ${…