Study of online measurements techniques of metallic phase spatial distribution into a corium poolD. Tisseur, M. Cavaro, F. Rey, K. Paumel, N. Chikhi, J. Delacroix, P. Fouquart, R. Le Tellier and V. BouyerEPJ Web Conf., 225 (2020) 08003DOI: https://doi.org/10.1051/epjconf/202022508003