DONJON5/CLASS coupled simulations of MOX/UO2 heterogeneous PWR core Maxime Paradis, Xavier Doligez, Guy Marleau, Marc Ernoult and Nicolas Thiollière EPJ Nuclear Sci. Technol., 8 (2022) 4 Published online: 31 January 2022 DOI: 10.1051/epjn/2021030