Strong-phase results from quantum-correlated $D^0\overline D^0$ events

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.

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Publication Details

Published
2024-11-07
DOI
https://doi.org/10.22323/1.443.0030
Primary Topic
Cold Atom Physics and Bose-Einstein Condensates
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article
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article

Strong-phase results from quantum-correlated $D^0\overline D^0$ events

A. Gilman
Cold Atom Physics and Bose-Einstein Condensates
article

Strong-phase results from quantum-correlated $D^0\overline D^0$ events

A. Gilman
article en

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.

Openalex Percentile: Top 82%
Cold Atom Physics and Bose-Einstein Condensates
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Strong-phase results from quantum-correlated $D^0\overline D^0$ events — A. Gilman · (2024) | TGRS Research Map | TGRS