Abstract
The introduction of a hidden sector of particles and a new very weak interaction with the fundamental Standard Model fermions could explain the anomalies in the muon magnetic moment, the results from scattering experiments searching for Dark Matter and also the antimatter excess in the cosmic rays. The simplest interaction scenario is an additional U(1) gauge symmetry resembling the electromagnetism but with a massive interaction carrier —the dark photon A′. Such a model has a high predictive power and is being extensively tested by past and present experiments. Present status of the dark photon searches is discussed as well as the possible improvements in the near future.
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