Exploring baryon semileptonic decays through polarization and entanglement

Polarization and quantum entanglement measurements of baryon semileptonic decay greatly enhance single-event sensitivity, and combined with lattice quantum chromodynamics calculations enable determination of the |Vus| element of the Cabibbo–Kobayashi–Maskawa matrix, providing an independent test of the standard model. The unitarity of the Cabibbo–Kobayashi–Maskawa (CKM) matrix is a cornerstone of the standard model (SM) [1].

Sources

1. nature.com · Exploring baryon semileptonic decays through polarization and entanglement Sep 2, 2026

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