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题名: The giant dipole resonance in Ar-isotopes in the relativistic RPA
作者: Ma, ZY ;  Toki, H ;  Chen, BQ ;  VanGiai, N
刊名: PROGRESS OF THEORETICAL PHYSICS
出版日期: 1997
卷号: 98, 期号:4, 页码:917-926
关键词: RANDOM-PHASE APPROXIMATION ;  NEUTRON-RICH NUCLEI ;  MEAN-FIELD-THEORY ;  FINITE NUCLEI
学科分类: Physics
通讯作者: Ma, ZY , OSAKA UNIV,NUCL PHYS RES CTR,IBARAKI,OSAKA 567,JAPAN.
部门归属: CHINA INST ATOM ENERGY,BEIJING 102413,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; INST PHYS NUCL,DIV PHYS THEOR,F-91406 ORSAY,FRANCE
英文摘要: The isovector giant dipole resonance in Ar-isotopes is studied in the framework of the relativistic random phase approximation starting from effective Lagrangians originally proposed for describing nuclear ground states. The calculations are done with the parameter set TM1 which satisfactorily describes the ground states of stable and unstable nuclei up to the drip lines. It is found that the isovector dipole strength in nuclei near drip lines is split into two components: one peaks at the normal giant dipole energy the other is located at low energy. The lower dipole state is due to the weakly bound neutron (or proton) excitation, which may cause large cross-sections in collisions with heavy nuclei by Coulomb excitation.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12425
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:
Ma, ZY,Toki, H,Chen, BQ,et al. The giant dipole resonance in Ar-isotopes in the relativistic RPA[J]. PROGRESS OF THEORETICAL PHYSICS,1997,98(4):917-926.
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