CPT and Quantum Mechanics Tests with Kaons
Jose Bernabeu, John Ellis, Nick E. Mavromatos, Dimitri V. Nanopoulos, Joannis Papavassiliou
Abstract
In this review we first discuss the theoretical motivations for possible CPT violation and deviations from ordinary quantum-mechanical behavior of field-theoretic systems in the context of an extended class of quantum-gravity models. Then we proceed to a description of precision tests of CPT symmetry using mainly neutral kaons. We emphasize the possibly unique role of neutral meson factories in providing specific tests of models where the quantum-mechanical CPT operator is not well-defined, leading to modifications of Einstein-Podolsky-Rosen particle correlators. Finally, we present tests of CPT, T, and CP using charged kaons, and in particular Kl4 decays, which are interesting due to the high statistics attainable in experiments.
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