| Possible 1d5／2 and 2s1／2 Level Inversion in the Proton—Rich Nucleus ^23Al |
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| 作者姓名： | 张虎勇 沈文庆 等 |
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| 作者单位： | [1]ShanghaiInstituteofNuclearResearch,ChineseAcademyofSciences,Shanghai201800 [2]CollegeofSciences,NingboUniversity,Ningbo315211 |
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| 摘 要： | The discovered proton halo nucleus of ^23Al is investigated in the nonlinear relativistic mean-field(RMF) model with deformation using the NL075 force parameter,It is shown that there is an energy inversion between the (5/2)^ (202)and (1/2)^ (211)orbitals in the ^23Al nucleus,which may produce a large enhancement of the reaction cross section compared with the neighbouring nuclei.Meanwhile,the NL075 force parameter may be better than the other RMF parameters for the calculation of the large defromed nucleus ^23Al.
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| 关 键 词： | 原子核 23Al 质子晕圈 非线性相对论平均场 |
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