APPLICATION OF RECENT DEVELOPMENTS IN INTEGRAL DATA ASSIMILATION TO IN-DEPTH ANALYSIS OF UH1.2 EXPERIMENT AND TRANSPOSITION TO WHOLE PWR COREJ.-M. Palau, A. Rizzo, P. Tamagno and C. De Saint JeanEPJ Web Conf., 247 (2021) 15001DOI: https://doi.org/10.1051/epjconf/202124715001