Dynamic Approach to Fusion of Massive Nuclei

Abstract

The role of the entrance channel in the fusion-fission reactions leading to nearly the same superheavy compound nucleus is studied in the framework of dynamic model. The calculations are done for ${}^{48}$Ca + ${}^{244}$Pu and ${}^{74,76}$Ge + ${}^{208}$Pb reactions which could lead to formation of superheavy element Z=114. It is shown that for these reactions there is an energy window for the values of the bombarding energy at which a capture probability is sufficiently large. Together with the restriction coming from the intrinsic barrier for fusion, it helps to find an optimal value of the bombarding energy for a given projectile-target combination.

Comments: 7 pages, Latex, 6 Postscript figures, replaced due to the minor mistake in Latex command