First measurement of the masses of the $\hat{I}{\yen }_1(1D)$ and $\hat{I}{\yen }_3(1D)$ states and the energy dependence of the cross sections for $e^{+}{e}^{-}\to \hat{I}{\yen }_J(1D)\hat{I}\cdot$ and $e^{+}{e}^{-}\to \hat{I}{\yen }_J(1D)\ddot{I}{€}^{+}\ddot{I}{€}^{-}$

Belle, Belle II Collaborations, : +398

We study the processes $e^{+}{e}^{-}\to \hat{I}{\yen }_J(1D)\hat{I}\cdot$ and $e^{+}{e}^{-}\to \hat{I}{\yen }_J(1D)\ddot{I}{€}^{+}\ddot{I}{€}^{-}$ at center-of-mass energies $\sqrt{s}$=(10.73 -- 11.02) GeV using a $142.5{\mathrm{fb}}^{-1}$ data sampl…