Electron impact ionization in the icy Galilean satellites’ atmospheres Shane R. Carberry Mogan, Robert E. Johnson, Audrey Vorburger and Lorenz Roth Eur. Phys. J. D, 77 2 (2023) 26 Published online: 17 February 2023 DOI: 10.1140/epjd/s10053-023-00606-8