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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
2005
发表期刊PHYSICAL REVIEW C
卷号71期号:3页码:34305
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
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.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1103/PhysRevC.71.034305
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear
WOS记录号WOS:000228643500015
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被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240569
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
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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