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Cao, LG; Ma, ZY; Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation
发表期刊PHYSICAL REVIEW C
关键词Mean-field Theory Rich Oxygen Isotopes Giant-resonances Sum-rule Continuum Nuclei Excitations States Qrpa
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.
2005
ISSN0556-2813
卷号71期号:3页码:-
学科领域Physics
收录类别SCI
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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.itp.ac.cn/handle/311006/13870
专题理论物理所科研产出_SCI论文
通讯作者Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
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GB/T 7714
Cao, LG,Ma, ZY,Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.. Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation[J]. PHYSICAL REVIEW C,2005,71(3):-.
APA Cao, LG,Ma, ZY,&Cao, LG , Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China..(2005).Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation.PHYSICAL REVIEW C,71(3),-.
MLA Cao, LG,et al."Low-lying dipole modes in Ne-26,Ne-28 in the quasiparticle relativistic random phase approximation".PHYSICAL REVIEW C 71.3(2005):-.
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