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Properties of super-heavy elements in Hartree-Fock-Bogolubov model with the Gogny force.

Properties of super-heavy elements in Hartree-Fock-Bogolubov model with the Gogny force. M. Warda Katedra Fizyki Teoretycznej, Uniwersytet Marii Curie-Skłodowskiej, Lublin, Poland, J. Egido, L. Robledo Departamento de F í sica Te ó rica C-XI, Universidad Aut ó noma de Madrid,

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Properties of super-heavy elements in Hartree-Fock-Bogolubov model with the Gogny force.

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  1. Properties of super-heavy elements in Hartree-Fock-Bogolubov model with the Gogny force. M. Warda Katedra Fizyki Teoretycznej, Uniwersytet Marii Curie-Skłodowskiej, Lublin, Poland, J. Egido, L. Robledo Departamento de Física Teórica C-XI, Universidad Autónoma de Madrid, Madrid, Spain.

  2. Motivation • Recent progress in synthesis of super-heavy elements (Dermstedt, Dubna, RIKEN) • Good results of Hartree-Fock-Bogolubov theory with the Gogny force in trans-fermium nuclei • D1S Gogny force • Imposed axial symmetry • Ground state properties (deformations, α decay) • Fission barriers XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  3. Deformation parameter β2 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  4. Deformation parameter β2 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  5. Deformation parameter β3 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  6. Deformation parameter β4 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  7. Deformation parameter β6 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  8. Deformation parameter β8 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  9. Deformation energy XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  10. Height of fission barriers XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  11. Height of fission barriers XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  12. Fission barriers of element 116 N=164 N=174 N=184 N=190 XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  13. Qα XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  14. α decay half-lives XII Nuclear Physics Workshop, Kazimierz Dolny 2005

  15. Conclusions • Properties of the super-heavy nuclei are well described by the Gogny force calculations. • Results are in consistence with the other models and with available experimental data. • The magic numbers are deduced at N=162 (deformed ground state) and at N=182 (spherical ground state). • The isotones beyond N=184 have got octupole deformation. • Following results of α decay and spontaneous fission barriers the super-heavy nuclei around N=180 have the highest half-lives. • Triaxial deformations should be included. XII Nuclear Physics Workshop, Kazimierz Dolny 2005

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