Giant Resonances in Proton- and Neutron-Rich Nuclei (不安定核の構造と反応)
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概要
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The electric quadrupole excitation of unstable nuclei with the neutron skin is studied in terms of a Hartree-Fock RPA calculation, taking ^<28>O as an example. It is found that there are giant excitation peaks, referred to as giant neutron modes, below the isoscalar giant resonance and these peaks consist of neutron excitations only. Their transition densities are shown to be extended radially in comparison to the isoscalar giant resonance. A strong correlation between B(E2) sum rule of the giant neutron modes and the neutron skin thickness is found.
- 素粒子論グループ 素粒子研究編集部の論文
- 1995-08-20
著者
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OTSUKA T.
Department of Physics, University of Tokyo
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横山 至治
東大理
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横山 至治
Department Of Physics University Of Tokyo
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Sagawa H.
Department of Physics, University of Tokyo
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Sagawa H.
Department Of Physics University Of Tokyo:(present Office)center For Mathematical Sciences. Universi
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Sagawa H.
Department Of Physics Faculty Of Science University Of Tokyo:(present Office)university Of Aizu
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Otsuka T.
Department Of Physics University Of Tokyo
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