Uranium Cold Fragmentation by Thermal and Fast Neutrons
Mass-energy spectra of 235U cold fragmentation induced by thermal-and fast (En= 1 MeV) neutrons were obtained. Effect of the conservation of fissile nucleus excitation energy collected in the saddle point up to scission point was observed. It means that for Z-even target irradiated by thermal neutrons it is impossible to reach the region of true-cold-fragmentation.
Keywords235U twin ionization chamber cold fragmentation fast neutrons
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