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Volume 377 - 18th International Conference on B-Physics at Frontier Machines (Beauty2019) - Kaons
Rare kaon decays and CP violation
A. Pich
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Pre-published on: 2020 February 03
Published on:
Owing to the strong suppression of flavour-changing neutral-current transitions in the Standard Model, rare kaon decays constitute a superb tool to constrain hypothetical new-physics interactions. At the same time, they provide many interesting tests of the Standard Model itself, being sensitive both to short-distance electroweak scales and to the long-distance QCD dynamics. A brief overview of the current status is presented. The Standard Model prediction for the direct CP-violating ratio $\varepsilon'/\varepsilon$ is also discussed.
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