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Nuclear Shell Effects near the r-Process Path at N=82 in the Relativistic Hartree-Bogoliubov Theory | | M.M. Sharma
; A.R. Farhan
; | | Date: |
21 Jun 2000 | | Subject: | nucl-th | | Abstract: | Evolution of the shell structure of nuclei near the neutron drip line is investigated in the Relativistic Hartree-Bogoliubov (RHB) theory. By introducing the vector self-coupling of $omega$ meson in the RHB theory, we reproduce successfully the experimental data on the shell effects about the waiting-point nucleus $^{80}$Zn. With this basis, it is shown that the shell effects at N=82 in the inaccessible region of the r-process path remain strong. In contrast, a quenching exhibited by the HFB+SkP approach is shown to be incompatible with the available data. Consequently, the neutrino-driven mechanism of the nucleosynthesis is supported. | | Source: | arXiv, nucl-th/0006046 | | Services: | Forum | Review | PDF | Favorites | |
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