Abstract
The KLOE-2 experiment at the upgraded e + e − DAΦNE collider of the INFN Laboratori Nazionali di Frascati completed its data taking campaign at the end of March 2018, collecting 5.5 fb−1 at the center of mass energy corrisponding to the mass of the ϕ-meson. Together with the data set of its predecessor KLOE, the acquired data sample of 8 fb−1 corresponds to 2.4×1010 ϕ-meson produced: the largest sample ever collected at the ϕ(1020) at e + e − colliders.KLOE-2 Collaboration activities are now focused on data reconstruction and analysis, continuing the KLOE long-standing tradition of flavour physics precision measurements in the kaon sector, to probe CKM unitarity and search for dark force mediator. Latest results on K S rare decays will be presented and discussed in the framework of Flavour Physics and CP Violation tests, focusing on the measurement of K S semileptonic branching ratios, using 1.7 fb−1 KLOE data, and the search for the pure CP-violating K S → 3π 0 decay.
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