Light p-Shell Λ-Hypernuclei by the Microscopic Three-Cluster Model

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概要

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• A systematic investigation of ^6_ΛHe, ^6_ΛLi, ^7_ΛLi, ^8_ΛLi, and ^9_ΛBe, hypernuclei is carried out within the framework of the microscopic α+x+Λ cluster-model dynamics (x=n, p, d, t or α). The positive and negative parity energy spectra and analysed in detail and are classified into several characteristic "bands" according to the underling structures. The E2, E1 and M1 γ-ray transition probabilities and magnetic dipole moments are calculated. The intra-band B (E2)'s are obtained to be several times enhanced in comparison with the shell-model values. The level widths of the strong peaks observed at lower B_Λ are roughly evaluated on the basis of the calculated reduced width amplitudes. The existing data can be well explained by the present model. The cluster-model estimates of the effective neutron number N_<eff>(θ=0゜) for the (K^-, π^-) reaction are consistent with the experiments.

• 理論物理学刊行会の論文
• 1983-07-25

著者

• BANDO Hiroharu

  Division of Mathematical Physics, Fukui University

• Motoba Toshio

  Laboratory Of Physics Osaka Electro-communication University

• Bando H

  Univ. Tokyo Tanashi

• Bando Hiroharu

  Division Of Mathematical Physics Fukui University

• Ikeda Kiyomi

  Department Of Physics College Of Science And Engineering Nihon University

• BANDO H

  Division of Mathematical Physics, Fukui University

• Bando Hiroharu

  Division Of Mathematical Physics Fukui Universiiy

• BANDO Hiroharu

  Division of Mathematical Physics, Fukui Univeristy

• BANDO Hiroharu

  Division of Mathemaical Physics, Fukui University

関連論文

• Spectroscopy of Electro- and Photo-Productions of Hypernuclei(Chapter III.,Hypernuclei and Baryon-Baryon Interaction)
• Hypernuclear Weak Decays(Chapter III.,Hypernuclei and Baryon-Baryon Interaction)
• S=-2 Hypernuclear Structure(Chapter II.,Hypernuclei and Baryon-Baryon Interaction)
• G-Matrix Approach to Hyperon-Nucleus Systems(Chapter I.,Hypernuclei and Baryon-Baryon Interaction)
• S=-1 Hypernuclear Structure(Chapter II.,Hypernuclei and Baryon-Baryon Interaction)
• (π^+, K^+) Reaction Spectroscopy of Heavy Hypernuclei(Chapter III.,Hypernuclei and Baryon-Baryon Interaction)
• Alpha Clustering of Light Nuclei in the Parity Projected Mean Field Method : Nuclear Physics
• Deformations of Be Isotopes Studied with Skyrme Hartree-Fock Method : Nuclear Physics
• Glue-Like Role of Λ Particle in Hypernuclei : Revistited to Be Put on a Firmer Basis : Nuclear Physics
• Effect of Deformation on α-Decay of ^Ne : Nuclear Physics
• Chapter III Molecule-Like Structures in Nuclear System
• Three- and Four-Body Cluster Models of Hypernuclei Using the G-Matrix ΛN Interaction : ^9_ΛBe, ^_ΛC, ^6_He and ^_Be : Nuclear Physics
• Dynamical Effects on the ^9Li-n Interaction Induced by Pauli Blocking of the J^π = 0^+ pairing Correlation : Nuclear Physics
• The Mechanism of the Anomalous Energy Shift between s-States in Mirror Nuclei with a Halo Structure
• A Study of the Binding Mechanism of ^Li by the ^9Li + n + n Model
• Theoretical Predictions of Low-Lying Three-Body Resonance States in ^6He : Nuclear Physics
• Highly Excited Odd-Parity Resonant States of ^6Li around E_x≃18〜27 MeV with the Complex-Scaled ^3He+t Resonating Group Method : Nuclear Physics
• Hypernuclei and Deep Hole States
• Hyperon-Nucleon and Hyperon-Hyperon Interactions in Nuclei
• Formation and Transition of Strangeness=-2 Nuclear Systems
• Possible Existence of Light Σ Hypernuclei
• A Review on Highly Excited States of Light Λ-Hypernuclei
• Binding Mechanism of a Neutron-Rich Nucleus ^6He and Its Excited States
• Formation of a Ξ-Hypernucleus and Transitions to Double-Λ States : Nuclear Physics
• Conversion Widths of Light Ξ Hypernuclear States to Double-Λ Hypernuclear States〔邦文〕
• Highly Excited States of ^6_ΛLi by the Microscopic Cluster Model : Nuclear Physics
• Ξ^- Emission Probabilities at (K^-, K^+) Reaction Points and the ΞN Interaction
• Binding Energies of Light Double-Λ Hypernuclei
• ΛN Exchange-Force Effects on the Binding Energies of ^5_ΛHe, ^9_ΛBe, ^6_He and ^_Be Hypernuclei : Nuclear Physics
• A Practical Method Using the Isospin Projection Operator in Nuclear Physics
• Theory of Hindered Nuclear Matrix Elements
• Theory of Isobaric States and Hindered Fermi Nuclear Matrix Elements
• A Molecule-like Structure in Atomic Nuclei of ^O^ and ^Ne
• On the Roles of Effective Interactions in Nuclear Collective Motion
• Microscopic Study on Di-Nucleus States of ^O+^Ca and ^Ca+^Ca. I
• Capter I Introduction to Comprehensive Nuclear Structure Study Based on Cluster Correlations and Molecular Viewpoint
• Baryon-Baryon Interactions and Hypernuclei(Chapter I.,Hypernuclei and Baryon-Baryon Interaction)
• Capter V Microscopic Study of the Interaction between Complex Nuclei
• Study on the Dripline Nuclear System ^Li in the Framework of the Three-Body Model(Microscopic Cluster Models of Light Nuclei and Related Topics)
• Chapter I Introduction
• Chapter I Formation of the Viewpoint, Alpha-Like Four-Body Correlations and Molecular Aspects in Nuclei
• Nuclear Structure Studied from Weak and Related Processes
• Capter II Comprehensive Study of Alpha-Nuclei
• Study of αChain States through Their Decay Widths
• The Systematic Structure-Change into the Molecule-like Structures in the Self-Conjugate 4n Nuclei
• The Coupling of the Spin-Dipole Mode with the Dipole Oscillations : E1 Radiative Widths of Isobaric Analog States in Pb^ and Bi^
• Photoproduction of Polarized Hypernuclei
• Nucleus-Nucleus Interaction and Nuclear Saturation Property : Microscopic Study of ^O+^O Interaction by New Effective Nuclear Force
• Microscopic Study of ^O+^O Interaction
• Nucleus-Nucleus Interaction and Nuclear Saturation Properties : Microscopic Study of ^O+^O Case
• Strong Damping of Inner Oscillation in ^O+^O System and Nuclear Saturation Properties
• Giant Isoscalar Monopole States of ^O and ^Ca by Reaction Matrix and Generator Coordinate Method
• Summary Talk(Microscopic Cluster Models of Light Nuclei and Related Topics)
• Chapter V Structure of Light fp-Shell Nuclei : Effects of Core-Excitation and α-Clustering Correlation
• Four Particle-Two Hole Correlations and the Effective Interaction : Two-Level Model for Mass-42 Nuclei
• Pi-Mesonic Weak Decay Rates of Light-to-Heavy Hypernuclei
• Production of Hypernuclear States by the (π^+,K^+) Reaction : Nuclear Physics
• Chapter IV Alpha-Cluster Structure in Neon Region
• 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
• Effective Interactions in Finite Nuclei Based on Reaction Matrix Theory. I : Reaction Matrix Consistent with Model Space
• 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
• Foundation of Deformed Potential Model for Nuclear Rotation
• Nuclear Deformation and Nuclear Force. II
• Study of Exchange Effects Due to the Pauli Principle on Interaction between Nuclei
• Effective Mass of a Λ-Particle in Nuclear Matter and OBE Λ-N Interactions
• Flavor Nuclei and One-Boson-Exchange Potentials
• Molecular Orbital Model Study of the ^9_ΛBe, ^_Be, ^_Be and ^_Be Hypernuclei
• Identification of One Glue-Like Mechanism of the Λ-Hyperon in Hypernuclei
• p-Shell Hypernuclei via (K^-, π^-), (π^+, K^+) and (Stopped K^-, π^-) Reactions : A Systematic Calculation with Configuration Mixing : Nuclear Physics
• On the Λ-Hypernuclear Single Particle Energies
• Effective Hyperon-Nucleon Interaction Derived from Nijmegen OBE Model : Nuclear Physics
• Particle Widths of Excited States in the ^9_ΛBe Hypernucleus : Nuclear Physics
• (K^-,π^-)Reaction Cross Sections with Microscopic Cluster-Model Wave Functions for Light p-Shell Hypernuclei
• Light p-Shell Λ-Hypernuclei by the Microscopic Three-Cluster Model
• Coupling Features in ^9_ΛBe, ^_ΛC and ^_ΛNe Hypernuclei
• Microscopic Study of Lambpha (α_Λ≡^6_He) and Di-α_Λ Cluster States
• Hypernuclear Cluster Structure : Di-"Lambpha" System
• Λ-Λ Interaction Energy in the ^6_He Hypernucleus and OBE Potentials
• Alpha- and ^8Be-Spectroscopic Factors of ^Ne and ^Mg
• Hypernuclear Properties Derived from the Nijmegen Soft-Core OBE Potential : Nuclear Physics
• Nonmesonic Decays of ^4_ΛH, ^4_ΛHe and ^5_ΛHe Hypernuclei by the π and ρ Exchange Model : Progress Letters
• Ξ- Escaping Probabilities at (K〔-〕,K〔+〕) Reaction Points and the ΞN Interaction
• S=-2 Hypernuclear Structure
• S=-1 Hypernuclear Structure
• G-Matrix Approach to Hyperon-Nucleus Systems
• Baryon-Baryon Interactions and Hypernuclei
• Chapter V. Multi-Strange Hypernuclei : Structure of Hypernuclei
• Extended Folding Potential Model for Λ-Deuteron System with Hard Core Potential
• Chapter IV. Structure Study of Typical Light Hypernuclei : Structure of Hypernuclei
• Structure of the ^_Be Hypernucleus
• A Spectroscopic Study of the ^_ΛNe Hypernucleus : Nuclear Physics
• Chapter III. Production, Structure and Decay of Light p-Shell Λ-Hypernuclei : Structure of Hypernuclei

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