Improved K e3 radiative corrections sharpen the K μ2–K l3 discrepancy

Abstract The measurements of V us in leptonic (K μ2) and semileptonic (K l3) kaon decays exhibit a 3σ disagreement, which could originate either from physics beyond the Standard Model or some large unidentified Standard Model systematic effects. Clarifying this issue requires a careful examination o...

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Bibliographic Details
Main Authors: Chien-Yeah Seng, Daniel Galviz, Mikhail Gorchtein, Ulf-G. Meißner
Format: article
Language:EN
Published: SpringerOpen 2021
Subjects:
Online Access:https://doaj.org/article/93eb4681f22643889a033da9c5ae42c1
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