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题名: Quenching of magnetic form factors of s-d shell nuclei O-17, Mg-25, Al-27, Si-29, and P-31 within the relativistic mean field model
作者: Wang, Zaijun1; Ren, Zhongzhou2, 3; Dong TieKuang(董铁矿)4; Guo, Xiaoyong5
刊名: PHYSICAL REVIEW C
出版日期: 2015-07-14
卷号: 92, 期号:1, 页码:14309
学科分类: 天文和天体物理
DOI: 10.1103/PhysRevC.92.014309
文章类型: Article
英文摘要: The magnetic form factors of the odd-A s-d shell nuclei O-17, Mg-25, Al-27, Si-29, and P-31 are studied within the relativistic frame with single-nucleon wave functions generated using the relativistic mean field model. Single valence-nucleon contributions to the nuclear magnetic form factors are calculated, and two sets of quenching ratios of the nuclear magnetic form factors relative to the single valence-nucleon contributions are extracted for each nucleus. It is found that the single valence-nucleon contributions can generally give a good approximate description for the shapes of the nuclear magnetic form factors, including the positions of the minima and maxima, and after the quenching ratios are applied the experimental data can be very well reproduced. The quenching ratios are compared with those obtained within some other nuclear models, and the physical implications for each nucleus are discussed. Calculations also show that no reasonable quenching ratios could be found for Al-27 when mu(expt.)/mu(s.n.) is chosen as the M1 multipole quenching ratio. This implies that the common way of choosing mu(expt.)/mu(s.n.) as the M1 multipole quenching ratio for the odd-A nuclei is not always valid.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Nuclear
研究领域[WOS]: Physics
关键词[WOS]: ELASTIC ELECTRON-SCATTERING ; HARTREE-FOCK APPROACH ; CURRENT DENSITIES ; FINITE NUCLEI ; EXOTIC NUCLEI ; MOMENTS ; DISTRIBUTIONS ; RADIUS ; HALOS ; ORBIT
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000357858700003
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14797
Appears in Collections:暗物质和空间天文实验室_期刊论文

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作者单位: 1.Tianjin Univ Technol & Educ, Sch Sci, Tianjin 300222, Peoples R China
2.Nanjing Univ, Dept Phys, Nanjing 210008, Jiangsu, Peoples R China
3.Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
5.Tianjin Univ Sci & Technol, Sch Sci, Tianjin 300457, Peoples R China
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