Fast simulation of a high granularity calorimeter by generative adversarial networks Gul Rukh Khattak, Sofia Vallecorsa, Federico Carminati and Gul Muhammad Khan Eur. Phys. J. C, 82 4 (2022) 386 Published online: 29 April 2022 DOI: 10.1140/epjc/s10052-022-10258-4