Experimental status of $|V_{cs}|$ and $|V_{cd}|$ at BES III
Pre-published on:
January 20, 2026
Published on:
—
Abstract
Using 20.3 fb$^{-1}$, 7.93 fb$^{-1}$, and 10.64 fb$^{-1}$ of $e^+e^-$ collision data collected at the center-of-mass energies of 3.773, 4.128-4.226, and 4.237-4.669 GeV with the BESIII detector, the CKM matrix elements $|V_{cs}|$ and $|V_{cd}|$ are extracted with the (semi-)leptonic decays $D_{(s)}\to\ell\nu_{\ell}$ and $D_{(s)}\to\bar{K}(\pi)\ell\nu_{\ell}$.
DOI: https://doi.org/10.22323/1.516.0029
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