Probing the diffusive behaviour of beam-halo dynamics in circular accelerators C. E. Montanari, A. Bazzani and M. Giovannozzi Eur. Phys. J. Plus, 137 11 (2022) 1264 Published online: 21 November 2022 DOI: 10.1140/epjp/s13360-022-03478-w