beta-decay rates of r-process waiting-point nuclei in the extended quasiparticle random-phase approximation
文献类型：期刊论文
| 作者 | Ni, Dongdong1,2; Ren, Zhongzhou1,2,3,4,5 |
| 刊名 | JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
 |
| 出版日期 | 2014-02-01 |
| 卷号 | 41 |
| 关键词 | Beta Decay Quasiparticle Random-phase Approximation Neutron-proton Pairing |
| ISSN号 | 0954-3899 |
| DOI | 10.1088/0954-3899/41/2/025107 |
| 文献子类 | Article |
| 英文摘要 | The beta(-) decays of the r-process waiting-point nuclei at the neutron magic numbers N = 50 and N = 82 are investigated within the extended quasiparticle random-phase approximation (QRPA), where neutron-neutron, proton-proton and neutron-proton (np) pairing correlations are considered in the specialized Hartree-Fock-Bogoliubov (HFB) calculation. The Bruckner G-matrix obtained with the charge-dependent Bonn nucleon-nucleon force is used for the residual particle-particle and particle-hole interaction in addition to the pairing interaction. It is found that the np pairing interaction plays an important role in reducing the calculated beta(-)-decay half-lives. The calculations with np pairing show good agreement with the available experimental data including the decay half-lives of Ni isotopes, which are usually overestimated in the self-consistent proton-neutron QRPA calculations. |
| WOS关键词 | NEUTRON EMISSION PROBABILITIES ; SD-SHELL NUCLEI ; HALF-LIVES ; PROTON-NEUTRON ; GROSS THEORY ; SUPPRESSION ; SYSTEMATICS ; STRENGTH ; MODEL ; QRPA |
| 资助项目 | China Postdoctoral Science Foundation[2013M530246] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000329989600013 |
| 出版者 | IOP PUBLISHING LTD |
| 源URL | [http://119.78.100.186/handle/113462/49709]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Ni, Dongdong |
| 作者单位 | 1.Nanjing Univ, Inst Acoust, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China 2.Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China 3.Nanjing Univ, Joint Ctr Nucl Sci & Technol, Nanjing 210093, Jiangsu, Peoples R China 4.Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China 5.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ni, Dongdong,Ren, Zhongzhou. beta-decay rates of r-process waiting-point nuclei in the extended quasiparticle random-phase approximation[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2014,41. |
| APA | Ni, Dongdong,&Ren, Zhongzhou.(2014).beta-decay rates of r-process waiting-point nuclei in the extended quasiparticle random-phase approximation.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,41. |
| MLA | Ni, Dongdong,et al."beta-decay rates of r-process waiting-point nuclei in the extended quasiparticle random-phase approximation".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 41(2014). |
入库方式： OAI收割
来源：近代物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。