α Decay of Superheavy Nuclei Using the Projection Operator Method

The projection operator method was applied to the recently produced superheavy elements ranging from Z=106 to 118. Woods-Saxon potentials were used with conditions on the number of nodes in the alpha particle relative motion. The optical potential was required to have a sharp boundary. Spectroscopic factors, lifetimes, and reduced widths were extracted. Values for spectroscopic factors obtained are in the range found earlier for heavy alpha emitter nuclei. The lifetimes in all cases except one are somewhat smaller than the experimental values. The squares of the reduced widths for the great majority of nuclei were found to have values less than 100 eV. It is suggested that the density distribution of the superheavy nuclei departs from the usual and has a smaller radii.

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α Decay of Superheavy Nuclei Using the Projection Operator Method

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