Search for axion-like particles at proton beam dumps
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Proton beam dump experiments are among the most promising strategies to search for light and feebly interacting states such as axion-like particles (ALPs). While most of the ALP experiments probe sub-MeV ALP masses via the effective ALP-photon coupling, the interpretation of results for heavier ALPs studied at particle accelerators can be complicated as the means of ALP production and decay can vary greatly depending on the ALP model. Until recently, only isolated cases with one ALP-SM coupling were studied. As the focus shifts towards a more general approach, performing model-dependent MC simulations becomes inefficient. To overcome this obstacle, we present a new framework called ALPINIST based on tabulated model-independent distributions, which allows the calculation of constraints for custom ALP models for a custom beam dump experiment.