Abstract
The α-decay properties of even-Z nuclei with Z = 120, 122, 124, 126 are predicted. We employ the generalized liquid drop model (GLDM), Royer's formula, and universal decay law (UDL) to calculate the -decay half-lives. By comparing the theoretical calculations with the experimental data of known nuclei from Fl to Og, we confirm that all the employed methods can reproduce the -decay half-lives well. The preformation factor and -decay energy show that 120, 122, and 124 might be stable. The -decay half-lives show a peak at Z = 120, N = 184, and the peak vanishes when Z = 122, 124, 126. Based on detailed analysis of the competition between -decay and spontaneous fission, we predict that nuclei nearby N = 184 undergo -decay. The decay modes of 120, 122, 124, and 126 are also presented.
Published Version
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