PoS - Proceedings of Science
Volume 292 - Corfu Summer Institute 2016 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2016) - Summer School and Workshop on the Standard Model and Beyond
Precision tests of CPT symmetry and Quantum coherence with entangled neutral K
A. Di Domenico
Full text: pdf
Pre-published on: October 04, 2017
Published on: October 05, 2017
The neutral kaon system at a $\phi$-factory offers a unique possibility to perform fundamental tests of $CPT$ invariance, as well as of the basic principles of quantum mechanics. The most recent and significant limits on $CPT$ violation are reviewed, including the ones related to possible decoherence mechanisms or Lorentz symmetry breaking, which might be induced in a quantum gravity scenario. The present experimental results show no deviations from the expectations of quantum mechanics and $CPT$ symmetry, while the accuracy in some cases reaches the interesting Planck scale region. The KLOE-2 experiment, presently taking data at the DA$\Phi$NE facility, will further improve these results.
DOI: https://doi.org/10.22323/1.292.0025
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