Fragments kinetic energy distribution and half-lives of the true ternary fission for 254Cf isotope in different geometries

his study explores the ternary fission of the 254Cf isotope, focusing on various fragmentation in the collinear and the equatorial fragment geometries. The analysis considers the role of magic, double-magic, and even-even fragments in determining the driving potential, the penetration probabilities, the yields, and the decay constants. The results show that the collinear geometry is energetically favored due to lower driving potential, especially when magic or near-magic fragments are involved. Also, the kinetic energy distribution of the fragments are calculated for various combinations. Using the momentum and the energy conservation, the fission Q-value is shared among the fragments in various fragmentation. The results indicate that collinear geometries lead to a more balanced energy distribution, when lighter fragments located at the middle. This agrees well with the observations and provides a clearer picture of the energy dynamics in ternary fission. These findings highlight the influence of the nuclear structure on fragment selection and the energy partitioning, offering new insights into the mechanism for ternary fission of heavy nuclei.