New Physics in $d(s)\to u\ell\nu$
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Pre-published on:
January 13, 2023
Published on:
June 16, 2023
Abstract
This talk is based on the results of [arXiv:2112.02087] and it discusses the constraints on Beyond Standard Model (BSM) physics obtained from the combination of 𝑑 → 𝑢l𝜈, 𝑠 → 𝑢l𝜈 and 𝜏 → 𝑢𝑑𝜈 decays using an Effective Field Theory (EFT) approach. We discuss the implications for BSM couplings of the tensions between the determination of the Cabibbo angle (𝑉𝑢𝑠) from these different observables, the so-called Cabibbo anomaly.
DOI: https://doi.org/10.22323/1.411.0030
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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.