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We delineate a ``theoretical $chi^2$--functional technique to implement fixed--$t$ analyticity on the invariant amplitudes for the $bar{K}N$, $piLambda$, $piSigma$ coupled channels in a fast and straightforward way.
DA$Phi$NE $e^+ e^-$ collider is an abundant source of low energy $K bar K$ pairs suitable to explore different fields of non perturbative QCD regime. Two different experiments, DEAR and FINUDA, using different experimental techniq ues are trying to s
Investigation at a $phi$--factory can shed light on several debated issues in particle physics. We discuss: i) recent theoretical development and experimental progress in kaon physics relevant for the Standard Model tests in the flavor sector, ii) th
The DA{Phi}NE collider at INFN-LNF is a unique source of low-energy kaons, which was used by the DEAR, SIDDHARTA and AMADEUS collaborations for unique measurements of kaonic atoms and kaon-nuclei interactions. Presently, the SIDDHARTA-2 collaboration
Prospective presentation is given for the experimental program of the KLOE-2 Collaboration, to be performed using the DA$Phi$NE $e^+e^-$ collider upgraded in luminosity. Data with the total luminosity of 25 fb$^{-1}$ are aimed to be collected in 3 ye
The aim of AMADEUS is to provide unprecedented experimental information on K$^-$ absorption in light nuclear targets, to face major open problems in hadron nuclear physics in the strangeness sector, namely the nature of the $Lambda$(1405), strongly r