Determination of the CKM angle $\ddot{I}{•}_3$ from a combination of Belle and Belle II results

Belle, Belle II Collaborations, : +399

We report a determination of the CKM angle $\ddot{I}{•}_3$, also known as ${\hat{I}}^3$, from a combination of measurements using samples of up to 711~fb${}^{-1}$ from the Belle experiment and up to…