Impact of intrinsic charm amount in the nucleon and saturation effects on the prompt atmospheric flux for IceCubeVictor P. Goncalves, Rafał Maciuła and Antoni SzczurekEur. Phys. J. C, 82 3 (2022) 236DOI: https://doi.org/10.1140/epjc/s10052-022-10214-2