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- Title
Testing CPT Symmetry with Neutral K Mesons: A Review.
- Authors
Di Domenico, Antonio
- Abstract
The neutral kaon system is a very peculiar system that offers unique possibilities to perform precise tests of the CPT symmetry. The entanglement of neutral kaon pairs that are produced at a ϕ -factory opens up new ways and scenarios in order to test this fundamental discrete symmetry. In this paper, the results of the most recent and significant CPT tests are reviewed. Experiments have set stringent limits on the CPT-violating parameters of different phenomenological models, some of them associated to possible decoherence mechanisms or Lorentz symmetry violation which might be justified in a quantum gravity framework. The present results show no violation of CPT symmetry, while their accuracy in some cases reaches the interesting level at which–in the most optimistic scenarios–quantum gravity effects might show up.
- Subjects
KAONS; DISCRETE symmetries; SYMMETRY; QUANTUM gravity; MESONS; NEUTRAL beams
- Publication
Symmetry (20738994), 2020, Vol 12, Issue 12, p2063
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym12122063