VALIDATION OF SERPENT FOR FUSION NEUTRONICS ANALYSIS AT JETAndrej Žohar, Žiga Štancar, Paola Batistoni, Sean Conroy, Luka Snoj, Igor Lengar and JET contributorsEPJ Web Conf., 247 (2021) 18001DOI: https://doi.org/10.1051/epjconf/202124718001