Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation
Cao LG(曹李刚); Cao, LG; Ma, ZY
刊名PHYSICAL REVIEW C
2005
卷号71期号:3页码:34305
学科分类Physics
DOI10.1103/PhysRevC.71.034305
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China ; Inst Atom Energy, Beijing 102413, Peoples R China ; Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
文章类型Article
英文摘要The low-lying isovector dipole strengths in the neutron-rich nuclei Ne-26 and Ne-28 are investigated in the quasiparticle relativistic random phase approximation. Nuclear ground-state properties are calculated in an extended relativistic mean field theory plus Bardeen-Cooper-Schrieffer (BCS) method where the contribution of the resonant continuum to pairing correlations is properly treated. Numerical calculations are tested in the case of isovector dipole and isoscalar quadrupole modes in the neutron-rich nucleus O-22. It is found that in the present calculation, low-lying isovector dipole strengths at E-x < 10 MeV in nuclei Ne-26 and Ne-28 exhaust about 4.9% and 5.8% of the Thomas-Reiche-Kuhn dipole sum rule, respectively. The centroid energy of the low-lying dipole excitation is located at 8.3 MeV in Ne-26 and 7.9 MeV in Ne-28.
类目[WOS]Physics, Nuclear
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000228643500015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240569
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Cao LG,Cao, LG,Ma, ZY. Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation[J]. PHYSICAL REVIEW C,2005,71(3):34305.
APA 曹李刚,Cao, LG,&Ma, ZY.(2005).Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation.PHYSICAL REVIEW C,71(3),34305.
MLA 曹李刚,et al."Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation".PHYSICAL REVIEW C 71.3(2005):34305.
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