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Nuclear bubble structure in 34Si
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DOI：10.1103/PhysRevC.79.034318.png)
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Bubble nuclei are characterized by a depletion of their central density. Their existence is examined within three different theoretical frameworks: the shell model and nonrelativistic and relativistic microscopic mean-field approaches. We analyze Si-34 and O-22 as possible candidates for proton and neutron bubble nuclei, respectively. In the case of O-22, we observe a significant model dependence, thereby calling into question the bubble structure of O-22. In contrast, an overall agreement among the models is obtained for Si-34. Indeed, all models predict a central proton density depletion of about 40% and a central charge density depletion of 25%-30%. This result provides strong evidence in favor of a proton bubble in Si-34.
Keyword:
MEAN-FIELD THEORY
SHELL-MODEL
DENSITY
STATE
MASS
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期刊
IF:
3.4
论文数:
2.9W
被引数:
5.7W
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引用论文
Spin-orbit splitting in low-j neutron orbits and proton densities in the nuclear interior -: art. no. 021301.png)
PHYSICAL REVIEW C
OAAI
PHYSICAL REVIEW CIF3.4
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