Strong-phase results from quantum-correlated $D^0\overline D^0$ events
Published on:
November 07, 2024
Abstract
Strong phases between $D^0$ and $\overline D^0$ mesons are essential inputs in interpreting $D^0$ mixing measurements and measurements of CP-violation in the charm and beauty sectors. Data from electron-positron colliders near the $\psi(3770)$ resonance allow for independent determinations of these strong phases in quantum-correlated $D^0\overline D^0$ produced through the mechanism $e^+e^-\to\gamma^*\to ...\to D^0\overline D^0$. The BESIII experiment accumulated $2.93\;\text{fb}^{-1}$ of data near the $\psi(3770)$ production threshold in 2011, which continue to be used for measurements of strong phases in a number of final states. These proceedings discuss a number of results that have been published since the previous instalment of the BEAUTY conference in 2020. However, more data is needed to measure strong phases with sufficient precision so as they do not limit measurements of CP violation and charm-mixing from the large datasets currently being accumulated by the LHCb and BelleII experiments. Plans for the short-term and long-term futures of these measurements are also discussed.
DOI: https://doi.org/10.22323/1.443.0030
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