Coulomb effects on the formation of proton halo nuclei |
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| Authors: | Liang Yu-Jie Li Yan-Song Zhu Min Liu Zu-Hua Zhou Hong-Yu |
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| Affiliation: | The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China; Department of Physics, Tsinghua University, Beijing 100084, China; College of Science, Minzu University of China, Beijing 100081, China; China Institute of Atomic Energy, Beijing 102413, China |
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| Abstract: | This paper makes some qualitative and quantitativeanalyses about halo formation rules of some mirror nuclei with therelativistic mean-field (RMF) theory and the Woods--Saxon mean-fieldmodel. By analysing two opposite effects of Coulomb interaction onthe proton halo formation, it finds that the energy level shift hasa larger contribution than that of the Coulomb barrier when the massnumber A is small, the hindrance of the Coulomb barrier becomes moreobvious with the increase of the mass number A, and the overalleffect of the Coulomb interaction almost disappears when A≈39 asits two effects counteract with each other. |
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| Keywords: | Coulomb effects halo nuclei relativistic mean-fieldtheory Woods--Saxon mean-field model |
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