Upgrade of the Diagnostic Neutral Beam Injector for the RFX-mod2 experiment. - Barbisan, Marco; Boldrin, Marco; Cinnirella, Luca; Laterza, Bruno; Maistrello, Alberto; Marrelli, Lionello; Molon, Federico; Peruzzo, Simone; Taliercio, Cesare; Valisa, Marco; Zampiva, Enrico (Fusion Engineering & Design, 2025)