Super-Asymmetric Fission Mode in 254 Fm Nucleus Populated by 16 O + 238 U Reaction
Physics of Particles and Nuclei(2022)
摘要
The mass-energy distributions of fission fragments of 254 Fm compound nucleus formed in the reaction 16 O + 238 U have been measured at two lab energies E_lab = 89 and 101 MeV. The experimental data have been described by the multimodal random neck-rupture model. Channel probabilities and the characteristics of different fission modes are obtained and discussed in details. At ∼45 MeV excitation, the enhancement of the mass yield ( 10 –2
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