Abstract
The long history of kaon physics results produced by KLOE is being continued at the upgraded KLOE-2 detector. Entangled neutral kaon pairs produced at DAΦNE are a unique tool to probe discrete symmetries and QM basic principles at the utmost precision. The status of the newest ongoing analyses using the most refined analysis tools will be presented and discussed:(i) search for decoherence and CPT violation effects in the φ → KSKL → π+ π− π+ π− decay,(ii) test of CP and CPT symmetries in KS semileptonic decays,(iii) test of time reversal and CPT in transitions in φ → KSKL → πeν, 3π0, 2π decays,(iv) study of the KS → π+ π− π0 decay.
Highlights
The test of fundamental discrete symmetries with the neutral K meson system has a long and rich history
Event though a lot of focus in the field of discrete symmetry studies in the recent years has been shifted towards heavier neutral meson systems such as B and D, the KLOE experiment strives to prove that the potential of neutral kaon physics is far from being fully exploited
The KLOE (K LOng Experiment) detector located at Laboratori Nazionali di Frascati, Italy operates at the DAΦNE electron-positron collider, which provides e+e− collisions with centerof-mas energy set at the φ resonance mass peak
Summary
The test of fundamental discrete symmetries with the neutral K meson system has a long and rich history. The KLOE experiment, being the only facility which can study entangled neutral kaon pairs, is one of the most important contributors to the state of knowledge of kaon physics and related discrete symmetries violation.
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