Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-07-23
PoSKAON:041,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages LATEX, six eps figures incorporated. Invited Plenary talk at the Kaon 2007 International Conference, LN Frascati (Ita
Scientific paper
In this review, I first discuss briefly some theoretical motivations for potential Lorentz Violation and deviation from ordinary quantum mechanical behavior (decoherence) of field theoretic systems in the background of some quantum gravity (QG) models. Both types of effects lead to CPT violation, but they can be disentangled experimentally. I, then, proceed to a description of precision tests of CPT symmetry using neutral and charged Kaons, which are of direct relevance to the main theme of this conference. I emphasize the potentially unique r\^ole of neutral meson factories in providing ``smoking-gun'' evidence of some QG-decoherence models in which the CPT quantum mechanical operator is not well defined. This is achieved by means of potential observations of QG-induced modifications of the pertinent Einstein-Podolsky-Rosen (EPR) particle correlations.
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