Search for the Axion-Like-Particles in the $\eta \to {\pi }^{+}{\pi }^{-}{e}^{+}{e}^{-}$ decay with HADES detector

M. Zielinski, K. Proscinski, P. Salabura

The dark matter and existence of new particles are now a possible explanation of several physics phenomena which evade the predictions of the Standard Model. In this context Axion-…