californium-249Results of Californium-252 Production by Berkelium-249 Irradiation in the SM-3 Reactor in Matrices of Various Composition 5/18/2026 2026 - #02 Physics in nuclear power engineering Kupriyanov A.V. Romanov E.G. Tarasov V.A. Abdullov R.G. Butkalyuk P.S. Minvaliev R.N. Suleimanov I.R. Kornilov D.A.