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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 shed new light on the strong interaction at the nucleon scale by producing high precision results at this energy range. The DEAR experiment is studying kaonic atoms in order to determine antikaon-nucleon scattering lengths. FINUDA aims to produce hypernuclei to study nuclear structure and $Lambda$-N interaction.
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.
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
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 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
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