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Axion-Like Particles (ALPs) appear in several dark sector studies. They havegained increasing attention from the theoretical and experimental community. Inthis work, we propose the first search for ALPs to be conducted at theBrazilian Synchrotron Light Laboratory (LNLS). In this work, we derive theprojected sensitivity of a proposed experiment for the production of ALPs viathe channel $e^+ e^- \to a \gamma$. We show that such an experiment could probeALP masses between $1-55\,\mbox{MeV}$, and ALP-electron couplings down to$g_{aee}=2-6\times10^{-4} \,\mbox{GeV}^{-1}$ depending on the energy beam,thickness of the target, and background assumptions. Therefore, this questwould cover an unexplored region of parameter space for experiments of thiskind, constitute a promising probe for dark sectors, and potentially become thefirst Latin-American dark sector detector.

Toward a search for axion-like particles at the LNLS