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题名: Core polarization and tensor coupling effects on magnetic moments of hypernuclei
作者: Yao Jiang-Ming ;  Lue Hong-Feng ;  Hillhouse Greg ;  Meng Jie
刊名: CHINESE PHYSICS LETTERS
出版日期: 2008
卷号: 25, 期号:5, 页码:1629-1632
关键词: MEAN-FIELD THEORY ;  HARTREE-BOGOLIUBOV THEORY ;  LAMBDA-HYPERNUCLEI ;  FINITE NUCLEI ;  CURRENTS ;  SIGMA ;  SPECTROSCOPY ;  MODEL ;  XI
学科分类: Physics
通讯作者: Yao, JM , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000256248300029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5545
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
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.
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