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Core polarization and tensor coupling effects on magnetic moments of hypernuclei
Yao Jiang-Ming; Lue Hong-Feng; Hillhouse Greg; Meng Jie; Yao, JM , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2008
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号25期号:5页码:1629-1632
摘要Effects of core polarization and tensor coupling on the magnetic moments in C-13(Lambda), O-17(Lambda), and Ca-41(Lambda) Lambda-hypernuclei are studied by employing the Dirac equation with scalar, vector and tensor potentials. It is found that the effect of core polarization on the magnetic moments is suppressed by A tensor coupling. The A tensor potential reduces the spin-orbit splitting of p(Lambda) states considerably. However, almost the same magnetic moments are obtained using the hyperon wavefunction obtained via the Dirac equation either with or without the A tensor potential in the electromagnetic current vertex. The deviations of magnetic moments for p(Lambda) states from the Schmidt values are found to increase with nuclear mass number.
部门归属[Yao, JM; Meng, J] Peking Univ, Sch Phys, Beijing 100871, Peoples R China; [Yao, JM; Meng, J] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China; [Lu, HF] Chinese Agr Univ, Coll Sci, Beijing 100083, Peoples R China; [Hillhouse, G; Meng, J] Univ Stellenbosch, Dept Phys, ZA-7600 Stellenbosch, South Africa; [Meng, J] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Meng, J] Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
关键词Mean-field Theory Hartree-bogoliubov Theory Lambda-hypernuclei Finite Nuclei Currents Sigma Spectroscopy Model Xi
学科领域Physics
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收录类别SCI
WOS记录号WOS:000256248300029
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5545
专题理论物理所1978-2010年知识产出
通讯作者Yao, JM , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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GB/T 7714
Yao Jiang-Ming,Lue Hong-Feng,Hillhouse Greg,et al. Core polarization and tensor coupling effects on magnetic moments of hypernuclei[J]. CHINESE PHYSICS LETTERS,2008,25(5):1629-1632.
APA Yao Jiang-Ming,Lue Hong-Feng,Hillhouse Greg,Meng Jie,&Yao, JM , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.(2008).Core polarization and tensor coupling effects on magnetic moments of hypernuclei.CHINESE PHYSICS LETTERS,25(5),1629-1632.
MLA Yao Jiang-Ming,et al."Core polarization and tensor coupling effects on magnetic moments of hypernuclei".CHINESE PHYSICS LETTERS 25.5(2008):1629-1632.
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