Examination of promising reactions with $^{241}$Am and $^{244}$Cm targets for the synthesis of new superheavy elements within the dinuclear system model with a dynamical potential energy surface

Abstract

Two actinide isotopes, 241 Am and 244 Cm, produced and chemically purified by the HFIR/REDC complex at ORNL are candidates for target materials of heavy-ion fusion reaction experiments for the synthesis of new superheavy elements (SHEs) with Z > 118. In the framework of the dinuclear system model with a dynamical potential energy surface (DNS-DyPES model), we systematically study the 48 Ca-induced reactions that have been applied to synthesize SHEs with Z = 112-118, as well as the hot-fusion reactions with 241 Am and 244 Cm as targets which are promising for synthesizing new SHEs with Z = 119-122. Detailed results including the maximal evaporation residue cross section and the optimal incident energy for each reaction are presented and discussed.