Detection of 2.223 MeV γ-rays for Water Identification in Spent Nuclear Fuel AssembliesDamilola E. Folley, Brendan Green, Kartikey Mathur, Stephen Croft, Andrew Kennedy and Malcolm J. JoyceEPJ Web Conf., 338 (2025) 05006DOI: https://doi.org/10.1051/epjconf/202533805006