Description of Nb-93 stellar electron-capture rates by the projected shell model
文献类型：期刊论文
| 作者 | Wang, Long-Jun1; Tan, Liang1; Li, Zhipan1; Gao, Bingshui2,3 ; Sun, Yang4
|
| 刊名 | PHYSICAL REVIEW C
 |
| 出版日期 | 2021-12-27 |
| 卷号 | 104期号:6页码:11 |
| ISSN号 | 2469-9985 |
| DOI | 10.1103/PhysRevC.104.064323 |
| 通讯作者 | Wang, Long-Jun(longjun@swu.edu.cn) |
| 英文摘要 | Capture of electrons by nuclei is an important process in stellar environments where excited nuclear states are thermally populated. However, accurate treatment for excited configurations in electron capture (EC) rates has been an unsolved problem for medium-heavy and heavy nuclei. In this work, we take the 93Nb -> 93Zr EC rates as the example to introduce the projected-shell model (PSM) in which excited configurations are explicitly included as multi-quasiparticle states. Applying the prevalent assumption that the parent nucleus always stays in its ground state in stellar conditions, we critically compare the obtained PSM results with the recently measured Gamow-Teller transition data, and with the previous calculations by the conventional shell model and the quasiparticle random-phase approximation. We discuss important ingredients that are required in theoretical models used for stellar EC calculations, and demonstrate effects of the explicit inclusion of excited nuclear states in EC rate calculations, especially when both electron density and environment temperature are high. |
| WOS关键词 | WEAK-INTERACTION RATES ; INTERMEDIATE-MASS NUCLEI ; RATE TABLES ; SUPERNOVAE |
| 资助项目 | Fundamental Research Funds for the Central Universities[SWU019013] ; National Natural Science Foundation of China[11905175] ; National Natural Science Foundation of China[11875225] ; National Natural Science Foundation of China[U1932206] ; National Key Program for S&T Research and Development[2016YFA0400501] ; Venture & Innovation Support Program for Chongqing Overseas Returnees[cx2019056] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000738744200006 |
| 资助机构 | Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Key Program for S&T Research and Development ; Venture & Innovation Support Program for Chongqing Overseas Returnees |
| 源URL | [http://119.78.100.186/handle/113462/142477]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Wang, Long-Jun |
| 作者单位 | 1.Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China 2.Chinese Acad Sci, Inst Modem Phys, CAS Key Lab High Precis Nucl Spect, Lanzhou 730000, Gansu, Peoples R China 3.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China 4.Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai 200240, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Long-Jun,Tan, Liang,Li, Zhipan,et al. Description of Nb-93 stellar electron-capture rates by the projected shell model[J]. PHYSICAL REVIEW C,2021,104(6):11. |
| APA | Wang, Long-Jun,Tan, Liang,Li, Zhipan,Gao, Bingshui,&Sun, Yang.(2021).Description of Nb-93 stellar electron-capture rates by the projected shell model.PHYSICAL REVIEW C,104(6),11. |
| MLA | Wang, Long-Jun,et al."Description of Nb-93 stellar electron-capture rates by the projected shell model".PHYSICAL REVIEW C 104.6(2021):11. |
入库方式： OAI收割
来源：近代物理研究所
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