properties of super-heavy elements in hartree-fock-bogolubov model with the gogny force
DESCRIPTION
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, - PowerPoint PPT PresentationTRANSCRIPT
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Properties of super-heavy elements in Hartree-Fock-Bogolubov model with the Gogny force.
M. WardaKatedra Fizyki Teoretycznej, Uniwersytet Marii Curie-Skłodowskiej,Lublin, Poland,
J. Egido, L. RobledoDepartamento de Física Teórica C-XI, Universidad Autónoma de Madrid,Madrid, Spain.
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
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
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β2
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β2
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β3
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β4
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β6
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation parameter β8
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Deformation energy
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Height of fission barriers
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Height of fission barriers
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Fission barriers of element 116
N=164 N=184 N=190N=174
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
Qα
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
α decay half-lives
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XII Nuclear Physics Workshop, Kazimierz Dolny 2005
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.