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The giant dipole resonance in Ar-isotopes in the relativistic RPA
Ma, ZY; Toki, H; Chen, BQ; VanGiai, N; Ma, ZY , OSAKA UNIV,NUCL PHYS RES CTR,IBARAKI,OSAKA 567,JAPAN.
1997
发表期刊PROGRESS OF THEORETICAL PHYSICS
ISSN0033-068X
卷号98期号:4页码:917-926
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.
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
关键词Random-phase Approximation Neutron-rich Nuclei Mean-field-theory Finite Nuclei
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12425
专题理论物理所SCI论文
通讯作者Ma, ZY , OSAKA UNIV,NUCL PHYS RES CTR,IBARAKI,OSAKA 567,JAPAN.
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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.
APA Ma, ZY,Toki, H,Chen, BQ,VanGiai, N,&Ma, ZY , OSAKA UNIV,NUCL PHYS RES CTR,IBARAKI,OSAKA 567,JAPAN..(1997).The giant dipole resonance in Ar-isotopes in the relativistic RPA.PROGRESS OF THEORETICAL PHYSICS,98(4),917-926.
MLA Ma, ZY,et al."The giant dipole resonance in Ar-isotopes in the relativistic RPA".PROGRESS OF THEORETICAL PHYSICS 98.4(1997):917-926.
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