Systematic study of decay properties of heaviest elements

  title={Systematic study of decay properties of heaviest elements},
  author={Y. M. Palenzuela and L. F. Ruiz and A. Karpov and W. Greiner},
  journal={Bulletin of the Russian Academy of Sciences: Physics},
Decay properties and stability of heaviest nuclei with Z ≤ 132 are studied within the macro-microscopical approach for nuclear ground-state masses. We use phenomenological relations for the half-lives with respect to α-decay, β-decay and spontaneous fission. Our calculations demonstrate that the β-stable isotopes 291Cn and 293Cn with a half-life of about 100 years are the longest-living superheavy nuclei located on the first island of stability. We found the second island of stability of… Expand
4 Citations

Figures from this paper

Competition between alpha-decay and spontaneous fission at isotopes of superheavy elements Rf, Db, and Sg
The most important decay modes for heavy and superheavy nuclei are their α-decay and spontaneous fission. This work investigates the evolution and the competition of these decay modes in longExpand
Lifetimes of superheavy nuclei around double magic nucleus 270Hs
The α-decay and spontaneous fission (SF) half-lives of nuclei around 270Hs are calculated with formulas derived from an in-depth analysis of the available experimental data and from theoreticalExpand
Experimental survey of the production of α -decaying heavy elements in U 238 + Th 232 reactions at 7.5–6.1 MeV/nucleon
The production of alpha particle decaying heavy nuclei in reactions of 7.5-6.1 MeV/nucleon $^{238}$U +$^{232}$Th has been explored using an in-beam detection array composed of YAP scintillators andExpand


Calculation of half-lives for superheavy nuclei
Abstract We have performed a new calculation of the half-lives of superheavy nuclei with respect to spontaneous fission, α-decay and β-decay (including electron capture). The half-lives areExpand
Nuclear systematics of the heavy elements—II Lifetimes for alpha, beta and spontaneous fission decay
Abstract The experimental half-lives for alpha, beta and spontaneous fission decay are analysed for the heavy elements (A ≥ 140). From the systematic behaviour of these data, semi-empiricalExpand
Stability and decay of nuclei at the end of the periodic system
Abstract Recent studies of nuclear mass models show that it is essential to account for the Coulomb redistribution energy when calculating the nuclear potential energy in the heavy-element region.Expand
On the stability of superheavy nuclei against fission
We use the methods, which we developed in a previous paper, for the calculation of potential energy surfaces and lifetimes for superheavy nuclei. Two regions of relative stability against spontaneousExpand
Systematical law of spontaneous fission half-lives of heavy nuclei
Systematic calculations on spontaneous fission half-lives of heavy nuclei are carried out by Swiatecki's formula with new parameters and by its generalized form. A new formula with only fourExpand
Ground-state properties of the heaviest nuclei analyzed in a multidimensional deformation space
Abstract Ground-state properties of the heaviest nuclei are analyzed in the three-dimentional deformation space {βλ}, γ = 2, 4, 6. Effects of using even larger spaces are explored. Deformation, mass,Expand
Theoretical description and predictions of the properties of superheavy nuclei
Theoretical descriptions of superheavy atomic nuclei are shortly reviewed and illustrated by their results. Such properties of these nuclei as their shapes, masses, fission barriers, decay modes,Expand
On the Stability of Super-heavy Nuclei: Some Recent Results of Self-consistent Calculations
Self-consistent calculations of super-heavy elements are presented. The Skyrme effective interaction SIII has been used. This force gives an overall good fit of a wide range of nuclear properties, inExpand
A dynamic analysis of spontaneous-fission half-lives
Abstract Spontaneous-fission half-lives of even-even heavy nuclei ( Z = 92–110) are calculated without any adjustable parameters. The fission-barrier penetration is treated as a one-dimensionalExpand
Properties of the hypothetical spherical superheavy nuclei
Theoretical results on the ground-state properties of the hypothetical spherical superheavy atomic nuclei are presented and discussed. Even-even isotopes of elements Z=104{minus}120 are considered.Expand