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Direct test of time-reversal symmetry and n the entangled neutral kaon system

Speaker: Antonio Di Domenico

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 {\it in} $\leftrightarrow$ {\it 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 ($\ell^-,\pi\pi$) with the \T-conjugated one defined by ($3\pi^0, \ell^+$). With the use of this and other \T conjugated comparisons, the KLOE-2 experiment at DA$\Phi$NE could make a statistically significant test.

Kaon13 Conference,
May 1, 2013, 7:21 AM