Towards a conceptual design for the moderators of ARGITU: A preliminary neutronics study Octavio G. del Moral, Miguel Magán, Fernando Sordo, Félix J. Villacorta and Mario Pérez EPJ Web Conf., 286 (2023) 02002 Published online: 09 October 2023 DOI: 10.1051/epjconf/202328602002