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2003 Fiscal Year Final Research Report Summary

Novel Type of Cluster Structure in Neutron-Rich Nuclei

Research Project

Project/Area Number 13640280
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 素粒子・核・宇宙線
Research InstitutionKyoto University

Principal Investigator

HORIUCHI Hisashi  Kyoto University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (60027349)

Project Period (FY) 2001 – 2003
Keywordsmolecular orbit / magis number / super deformed band / molecular structure / ^<16>O-^<16>O / α-^<16>O / α-^<40>Ca / excited band
Research Abstract

Since this year is the last year of the research project, we summarized the studies made until last year and also promoted some new works for the future.
(1)Study of ^<12>Be. (already published)
Like other Be isotopes, the ground and low-lying states are well described by molecular orbit picture. But some excited states have neutrons described well by the atomic-orbital picture
(2)Vanishing of the N=20 magic number. (to be published)
Neutron 2p2h structure is dominant for the ground states of ^<32>Mg and ^<30>Ne. In some excited states of ^<30>Ne, 4p4h structure is dominant which is related to α-^<16>O structure.
(3)Study of ^<32>S. (to be published)
Super deformed excited has ^<16>O-^<16>O molecular structure.
(4)Study of 44Ti (submitted)
Coexistence of super deformed bands and α-^<40>Ca stales is reproduced.

  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] Y.Funaki: "Analysis of Previous Microscopic Calculations for Second O^+ State in ^<12>C in Terms of 3-α Particle Bose-Condensed State"Physical Review C. 67. 151306(R)1-151306(R)5 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Kanada-En'yo: "Cluster Structures of the Ground and Excited states in ^<12>Be studied with Antisymmetrized Molecular Dynamics"Physical Review C. 68. 014319-1-014319-17 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Kanada-En'yo: "Antisymmetrized Molecular Dynamics : a New Insight in the Structure of Nuclei"Comptes Rendus Physique. 4. 497-520 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] P.Schuck: "Alpha-Particle Condensation in Nuclei"Comptes Rendus Physique. 4. 537-540 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Horiuchi: "Clustering in Neutron-Rich and Stable Nuclei"Nuclear Physics A. 722. 80c-84c (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Funaki: "Analysis of Previous Microscopic Calculations for the Second O^+State in ^<12>C in Terms of 3-α Particle Bose-Condensed State"Physical Review C. 67. 051306(R)1-051306(R)5 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Kanada-En'yo: "Cluster Structures of the Ground and Excited States in ^<12>Be Studied with Antisgmmerized Molecular Dynamics"Physical Review C. 68. 014319-1-014319-17 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Kanada-En'yo: "Antisymmetrized Molecular Dynamics : a New Insight in the Structure of Nuclei"Comptes Rendus Physique. 4. 497-520 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] P.Schuck: "Alpha-Particle Condensation in Nuclei"Comptes Rendus Physique. 4. 537-540 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Horiuchi: "Clustering in Neutron-Rich and Stable Nuclei"Nuclear Physics A. 722. 80c-84c (2003)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2005-04-19  

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