Radiation Environment in the ITER Neutral Beam Injector Prototype. - Bagatin, Marta; Coniglio, Angela; D'Arienzo, Marco; De Lorenzi, Antonio; Gerardin, Simone; Paccagnella, Alessandro; Pasqualotto, Robert; Peruzzo, Simone; Sandri, Sandro (IEEE Transactions on Nuclear Science, 2012)