Vus and precise Standard Model tests
B. Sciascia (for the FlaviaNet Kaon Working Group)
TL;DR
This paper reviews recent experimental and theoretical advances in kaon decay studies, enabling precise tests of the Standard Model, including Vus determination, decay mode comparisons, and lepton universality tests.
Contribution
It provides updated Vus values from experimental data and compares different decay channels, enhancing Standard Model validation.
Findings
Vus determined with high precision from kaon decays
Consistent Vus values from semileptonic and leptonic decays
No violation of lepton universality observed
Abstract
The recent significant progress on both the experimental and theoretical sides on the study of leptonic and semileptonic kaon decays allows to precisely test the Standard Model. Here we present results for the determination of Vus from experimental data, the comparison between the values of Vus obtained from data on semileptonic and leptonic kaon decays, and tests of lepton universality in semileptonic kaon decays.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Neutrino Physics Research