Measurement of isotopic separation of argon with the prototype of the cryogenic distillation plant Aria for dark matter searches. - Aaron, E.; Agnes, P.; Ahmad, I.; Albergo, S.; Albuquerque, I. F. M.; Alexander, T.; Alton, A. K.; Amaudruz, P.; Atzori Corona, M.; Ave, M.; Avetisov, I. Ch.; Azzolini, O.; et al. (European Physical Journal C -- Particles & Fields, 2023)