Admixtures of Shell and Cluster States in ^<18>F
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概要
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The properties of the low-lying T=0 positive-parity levels in ^<18>F are shown to be well understood by considering admixtures of 2p shell-model states and "4p-2h" states with alpha-cluster structures, In order to represent the "4p-2h" states, α-^<14>N cluster model is introduced. By this model, weak coupling features and coupling between shell and cluster states are well described. The binding energies of the ground 1^+ and the lowest 3^+ levels are reproduced by the couplings with the "4p-2h" cluster states. On the other hand, weak coupling features of "4p-2h" cluster states are disturbed to some extent. As a result, the energy spectrum, E2-transition rates and reduced α-widths of all T=0 positive-parity levels below 7MeV excitation energy are systematically reproduced.
- 理論物理学刊行会の論文
- 1976-10-25
著者
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Sakuda Toshimi
Department Of Physics Faculty Of Education Miyazaki University
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Sakuda Toshimi
Department Of Applied Physics Faculty Of Engineering Miyazaki University
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Nagata Sinobu
Department Of Applied Physics Faculty Of Engineering Miyazaki University
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NEMOTO Fumiki
Mihara High School, Minamikawachi
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Nemoto Fumiki
Mihara High School
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Nemoto Fumiki
Department Of Physics Kyoto University
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SAKUDA Toshimi
Department of Physics, Kyoto University
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SAKUDA Toshimi
Department of Applied Physics, Faculty of Engineering, Miyazaki University
関連論文
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- On p-He^4 Effective Potential and Nuclear Forces
- Nuclear Binding Mechanism and Structure of Neutron-Rich Be and B Isotopes by Molecular-Orbital Model
- Chapter VII Hartree-Fock Calculations of Nuclear Bulk Properties with Density- and Starting-Energy-Dependent Effective Interaction
- Reaction Matrix Calculations for Neutron-Rich He-Isotopes
- Binding Energy of Nuclear Matter by the Hole Line Expansion Method
- Study of ^F by α-^N plus t-^O Coupled Channel Orthogonality Condition Model. I : Energy Levels
- Backward Angle Anomaly in Alpha+^O Scattering and Alpha-Cluster States in ^Ne
- Backward Angle Anomaly in Alpha-Nucleus Scattering and Parity-Dependent Optical Model
- On the Collective Mode of Internal Motion of the Nucleus to be coupled with the Irrotational Surface Motion
- Influence of α-Clustering on the Odd-Parity Levels in A=18 Nuclei
- Structure of Intrinsic States of K^π=0^+ Bands in ^Ne : Study of Transient Character
- Study of α-^O Scattering by the Generate Coordinate Method
- Binding Energy of Nuclear Matter by the Hole Line Expansion Method. I
- Optical Model Potential in the Lowest Order Brueckner Theory and Complex Effective N-N Interaction
- Chapter IV Alpha-Cluster Structure in Neon Region
- Alpha-Cluster Structure and Weak Coupling Feature in Light sd-Shell Nuclei : General Discussion and ^F Problem
- Chapter IV Coupling Effects of Two-Particle and Alpha Two-Hole States in A=18 Nuclei
- Admixtures of Shell and Cluster States in ^F
- On Coupling between Shell and Cluster States in ^F
- Study of ^F by α-^N plus t-^O Coupled Channel Orthogonality Condition Model. II : Electromagnetic Transitions and Spectroscopic Factors
- Capter III Study of Non-Alpha-Nuclei Based on the Viewpoint of Cluster Correlations
- On the (γ-π^-p) Reaction with Complex Nuclei
- Chapter I Introduction
- Multiple Scattering Equation for Two Particle-One Hole System and Generalized Vertex in Core Polarization of Nuclei. III : Effective Interactions
- Multiple Scattering Equation for Two Particle-One Hole System and Generalized Vertex in Core Polarization of Nuclei. II : Polarization Charges
- Effective Interactions in Finite Nuclei Based on Reaction Matrix Theory. II : Properties of Reaction Matrix and Core-Phonon-Exchange Interaction
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- Chapter VI Reaction Matrix Approach to the Cluster State
- Brueckner-Generator-Coordinate Method and Application to a-a Scattering
- Reaction Matrix Theory for Cluster States in Light Nuclei. II : Clustering Dependence of the Effective Interaction
- Reaction Matrix Theory for Cluster States in Light Nuclei. I : Be^8
- Chapter II Nuclear Reaction Matrix and Nuclear Forces
- Chapter VII Nuclear Forces in Nuclei and Alpha-Clusterization
- On a Calculational Method of Folding Model Potential with Density-Dependent Effective Interactions : Progress Letters
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- Note on the Vibrational Motion in Light Nuclei
- Nuclear Deformation and Nuclear Force. II
- Effective Hamiltonian and Energy Gap in Finite Nuclei
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- Effective Interaction with Three-Body Effects
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- Nuclear Force and Energy Gap in Finite Nuclei
- Nuclear Deformation and Nuclear Force. I
- N-^O Scattering Derived from a Realistic N-N Interaction : Complex Reaction Matrix Approach
- Binding Energies of He and H in Reaction Matrix Theory
- Identification of One Glue-Like Mechanism of the Λ-Hyperon in Hypernuclei
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- Cluster Model Study of Electron Scattering on ^F : Nuclear Physics