| The first excited single-proton resonance in 15F by complex-scaled Green's function method |
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| 作者姓名： | 史新星 刘泉 倪冬冬 郭建友 任中洲 |
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| 作者单位： | School of Physics;School of physics and materials science;Space Science Institute;School of Physics Science and Engineering;Key Laboratory of Advanced Micro-Structure Materials |
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| 基金项目： | Supported by the National Natural Science Foundation of China(11975167,11935001,11535004,11761161001);the National Key R&D Program of China(2018YFA0404403);the Science and Technology Development Fund of Macao(008/2017/AFJ)。 |
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| 摘 要： | The complex-scaled Green's function(CGF)method is employed to explore the single-proton resonance in 15F.Special attention is paid to the first excited resonant state 5/2+,which has been widely studied in both theory and experiments.However,past studies generally overestimated the width of the 5/2+state.The predicted energy and width of the first excited resonant state 5/2+by the CGF method are both in good agreement with the experimental value and close to Fortune's new estimation.Furthermore,the influence of the potential parameters and quadruple deformation effects on the resonant states are investigated in detail,which is helpful to the study of the shell structure evolution.
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| 关 键 词： | single-proton RESONANCE complex-scaled Green's function METHOD narrower width |
| 收稿时间： | 2020-05-01 |
The first excited single-proton resonance in ~(15)F by complex-scaled Green's function method |
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| Xin-Xing Shi,Quan Liu,Dong-Dong Ni,Jian-You Guo,Zhong-Zhou Ren.The first excited single-proton resonance in 15F by complex-scaled Green's function method[J].Chinese Physics C,2020,44(5):054103-054103-8. |
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| Authors: | Xin-Xing Shi Quan Liu Dong-Dong Ni Jian-You Guo Zhong-Zhou Ren |
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| Institution: | 1. School of Physics, Nanjing University, Nanjing 210093, China2. School of physics and materials science, Anhui University, Hefei 230601, China3. Space Science Institute, Macau University of Science and Technology, Macao, China4. School of Physics Science and Engineering, Tongji University, Shanghai 200092, China5. Key Laboratory of Advanced Micro-Structure Materials, Ministry of Education, Shanghai 200092, China |
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| Abstract: | The complex-scaled Green's function(CGF) method is employed to explore the single-proton resonance in ~(15)F. Special attention is paid to the first excited resonant state 5/2~+, which has been widely studied in both theory and experiments. However, past studies generally overestimated the width of the 5/2~+ state. The predicted energy and width of the first excited resonant state 5/2~+ by the CGF method are both in good agreement with the experimental value and close to Fortune's new estimation. Furthermore, the influence of the potential parameters and quadruple deformation effects on the resonant states are investigated in detail, which is helpful to the study of the shell structure evolution. |
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| Keywords: | single-proton resonance complex-scaled Green's function method narrower width |
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