Generation of vortex particles via generalized measurements D. V. Karlovets, S. S. Baturin, G. Geloni, G. K. Sizykh and V. G. Serbo Eur. Phys. J. C, 82 11 (2022) 1008 Published online: 09 November 2022 DOI: 10.1140/epjc/s10052-022-10991-w