Electron and positron interactions and their applications: a tribute to Professor Michael Brunger Márcio H. F. Bettega, Stephen J. Buckman, Dragana Marić, Sylwia Ptasinska and Ron D. White Eur. Phys. J. D, 79 3 (2025) 16 Published online: 03 March 2025 DOI: 10.1140/epjd/s10053-025-00954-7