Effect of tensor force on the shell structure of superheavy nuclei

We study the effect of tensor interaction on the shell structure of superheavy nuclei in the frame of the deformed Skyrme Hartree-Fock+BCS model. To this end, we adopt four different Skyrme interactions; SLy5 without tensor interaction, and SLy5+T, T24 and T44 with tensor interaction. The calculatio...

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Published in:Journal of physics. Conference series 2013-03, Vol.420 (1), p.12009-10
Main Authors: Zhou, Xian-Rong, Sagawa, H
Format: Article
Language:English
Subjects:
Correlation
Deformation effects
Frames
Mathematical analysis
Mathematical models
Neutrons
Nuclei
Nuclei (nuclear physics)
Physics
Protons
Shells
Shells (structural forms)
Spectra
Tensors
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description We study the effect of tensor interaction on the shell structure of superheavy nuclei in the frame of the deformed Skyrme Hartree-Fock+BCS model. To this end, we adopt four different Skyrme interactions; SLy5 without tensor interaction, and SLy5+T, T24 and T44 with tensor interaction. The calculation with SLy5+T interaction reproduce the single particle spectra of protons and neutrons in 249Bk and 251Cf, better than the other calculations with SLy5, T24 or T44 interaction. The large shell gaps of superheavy nuclei (SHE) are found at Z=114 and Z=120 for protons and N=184 for neutrons with the spherical shape irrespective of the tensor correlations. It is also found that Z=114 and N=164 shell gaps are more pronounced by SLy5+T interaction with the tensor correlations.
doi_str_mv 10.1088/1742-6596/420/1/012009
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subjects Correlation
Deformation effects
Frames
Mathematical analysis
Mathematical models
Neutrons
Nuclei
Nuclei (nuclear physics)
Physics
Protons
Shells
Shells (structural forms)
Spectra
Tensors
title Effect of tensor force on the shell structure of superheavy nuclei
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