The Giant Dipole Resonance in Ar-Isotopes in the Relativistic RPA : Nuclear Physics
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概要
- 論文の詳細を見る
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.
- 理論物理学刊行会の論文
- 1997-10-25
著者
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TOKI Hiroshi
Research Center for Nuclear Physics, Osaka University
-
Giai Van
Division De Physique Theorique Institut De Physique Nucleaire
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Toki Hiroshi
Research Center For Nuclear Physics (rcnp) Osaka University
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Ma Zhongyu
Research Center for Nuclear Physical Osaka University;China Institute of Atomic Energy;Institute of
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Chen Baoqiu
China Institute of Atomic Energy
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Ma Zhongyu
Research Center For Nuclear Physical Osaka University;china Institute Of Atomic Energy;institute Of
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Toki Hiroshi
Research Center For Nuclear Physical Osaka University
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Giai Van
Division de Physique Theorique, Institut de Physique Nucleaire
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