Direct test of time reversal symmetry in the entangled neutral kaon system at a \(\varphi \)-factory

DOI10.1016/J.NUCLPHYSB.2012.11.009zbMATH Open1262.81189arXiv1208.0773OpenAlexW2126588522MaRDI QIDQ1950484

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Publication date: 13 May 2013

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Abstract: We present a novel method to perform a direct T (time reversal) symmetry test in the neutral kaon system, independent of any CP and/or CPT symmetry tests. This is based on the comparison of suitable transition probabilities, where the required interchange of in <-> out states for a given process is obtained exploiting the Einstein-Podolsky-Rosen correlations of neutral kaon pairs produced at a $phi$-factory. In the time distribution between the two decays, we compare a reference transition like the one defined by the time ordered decays $(el{l}^{-},pipi)$ with the T -conjugated one defined by $(3p{i}^0,el{l}^{+})$. With the use of this and other T conjugated comparisons, the KLOE-2 experiment at DA$Phi$NE could make a significant test.

Full work available at URL: https://arxiv.org/abs/1208.0773

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