TL;DR
This paper reviews recent advances in kaon physics, focusing on tests of the CKM matrix unitarity, discrete symmetries, CPT violations, chiral perturbation theory predictions, and rare decay measurements.
Contribution
It provides a comprehensive overview of current experimental and theoretical efforts in kaon physics, highlighting new precision tests and decay measurements.
Findings
Improved constraints on CKM matrix unitarity.
New limits on CPT violation parameters.
Updated status of rare kaon decay measurements.
Abstract
At present, the main topics addressed by kaon physics are the unitarity test of CKM matrix via precision measurements of the Cabibbo angle as well as precision tests of discrete symmetries: in particular, study of possible CPT violations in a model-independent way through the Bell-Steinberger relation, or through the measurement of charge asymmetries. Other interesting topics are related to the test of predictions from chiral perturbation theory. Also status and prospects of the and $K^0\to\pi^0\nu\bar(nu) decays are discussed.
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Taxonomy
TopicsRadioactive Decay and Measurement Techniques · Atomic and Subatomic Physics Research · Quantum and Classical Electrodynamics