SR-GAN for SR-gamma: super resolution of photon calorimeter images at collider experiments Johannes Erdmann, Aaron van der Graaf, Florian Mausolf and Olaf Nackenhorst Eur. Phys. J. C, 83 11 (2023) 1001 Published online: 05 November 2023 DOI: 10.1140/epjc/s10052-023-12178-3