R Measurements: Recent Results and Perspectives for the Evaluation of the Hadronic Vacuum Polarization Contribution to the Muon Anomalous Magnetic Moment.
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Pre-published on:
December 22, 2023
Published on:
March 28, 2024
Abstract
The anomalous magnetic moment of the muon $a_\mu$ represents one of the most promising quantity to search for hints of new physics beyond the Standard Model (SM) in the precision frontier. The latest experimental result from the Muon $\mathit{g-2}$ Experiment at Fermilab has pushed the tension with the SM prediction to more than 5$\sigma$. However, the interpretation of such discrepancy in terms of new physics is challenged by incompatibilities in some of the data employed for the dispersive evaluation of the Hadronic Vacuum Polarization (HVP) contribution to $a_\mu$. In the following, the latest developments about the experimental inputs required to evaluate HVP dispersively are described and the perspectives for the next future summarized.
DOI: https://doi.org/10.22323/1.452.0022
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.