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Several contemporary particle physics experiments at accelerators aim to contribute in the quest to describe the properties of the Dark matter by looking for new particles. One of them is the Positron Annihilation into Dark Matter Experiment (PADME), at the Laboratori Nazionali di Frascati of INFN. Its main goal is to search for a Dark Photon (A') by studying the annihilation of beam positrons on a fixed target. Since 2018, two data taking periods were completed successfully, collecting O (10^13) positrons on target. In 2022 the detector setup was then modified to explore the existence of the so-called "X17" particle, postulated to explain an anomalous effect observed by the ATOMKI collaboration. In this paper the PADME experiment is presented, the main results and the possible future prospects are discussed.
R. Simeonov (Tue,) studied this question.