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Drastic changes of nuclear structure induced by many-body correlations

Research Project

Project/Area Number 25800124
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionNihon institute of Medical Science (2014-2016)
University of Tsukuba (2013)

Principal Investigator

TANIGUCHI Yasutaka  日本医療科学大学, 保健医療学部, 助教 (60529064)

Research Collaborator OGATA Kazuyuki  
Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsクラスター構造 / 変形構造 / 原子核のクラスタ構造 / 時間依存密度汎関数法 / 原子核構造 / 超変形 / 変形状態 / クラスタ相関
Outline of Final Research Achievements

Mechanism of nuclear-structure changes has been studied focusing on cluster correlations. Cluster structure is important even in region where mass number is more than 30.
In 34S, the ground-state band has one-body system but 16O + 16O core structure appear in excited states, where two valence neutrons are around the cores. In 42Ca, the ground state is spherical but various deformed states appear in excited states including alpha-38Ar cluster structure.
Effects of cluster structure for nuclear reactions, and light-matter interactions have been also studied.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (45 results)

All 2017 2016 2015 2014 2013

All Journal Article (14 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 14 results,  Open Access: 8 results,  Acknowledgement Compliant: 10 results) Presentation (31 results) (of which Int'l Joint Research: 10 results,  Invited: 3 results)

  • [Journal Article] Inversion doublets of reflection-asymmetric clustering in 28Si and their isoscalar monopole and dipole transitions2017

    • Author(s)
      Y. Chiba, Y. Taniguchi, and M. Kimura
    • Journal Title

      Phys. Rev. C

      Volume: 95 Issue: 4 Pages: 044328-044328

    • DOI

      10.1103/physrevc.95.044328

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Alignment of wave functions for angular momentum projection2016

    • Author(s)
      Y. Taniguchi
    • Journal Title

      Prog. Theor. Exp. Phys.

      Volume: 2016 Issue: 10 Pages: 103D01-103D01

    • DOI

      10.1093/ptep/ptw140

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Isoscalar dipole transition as a probe for asymmetric clustering2016

    • Author(s)
      Y. Chiba, M. Kimura and Y. Taniguchi
    • Journal Title

      Phys. Rev. C

      Volume: 93 Issue: 3 Pages: 0343191-12

    • DOI

      10.1103/physrevc.93.034319

    • Related Report
      2016 Annual Research Report 2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 16O + 16O molecular structures of positive- and negative-parity superdeformed bands in 34S2016

    • Author(s)
      Y. Taniguchi
    • Journal Title

      EPJ Web of Conf.

      Volume: 117 Pages: 04009-04009

    • DOI

      10.1051/epjconf/201611704009

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Probing surface distributions of alpha clusters in 20Ne via alpha-transfer reaction2016

    • Author(s)
      Tokuro Fukui, Yasutaka Taniguchi, Tadahiro Suhara, Yoshiko Kanada-En'yo, and Kazuyuki Ogata
    • Journal Title

      Physical Review C

      Volume: 93 Issue: 3 Pages: 034606-034606

    • DOI

      10.1103/physrevc.93.034606

    • Related Report
      2016 Annual Research Report 2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Nonlinear elec- tronic excitations in crystalline solids using meta-generalized gradient approximation and hybrid functional in time-dependent density functional theory2015

    • Author(s)
      Shunsuke A. Sato, Yasutaka Taniguchi, Yasushi Shinohara and Kazuhiro Yabana
    • Journal Title

      J. Chem. Phys.

      Volume: 143 Issue: 22 Pages: 224116-224116

    • DOI

      10.1063/1.4937379

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Cluster Phenomena in Stable and Unstable Nuclei2015

    • Author(s)
      Yoshiko Kanada-En’yo, Masaaki Kimura, Fumiharu Kobayashi, Tadahiro Suhara, Yasutaka Taniguchi, and Yuta Yoshida
    • Journal Title

      JPS Conference Proceedings

      Volume: 6 Pages: 010002-010002

    • DOI

      10.7566/jpscp.6.010002

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Erosion of N = 28 Shell Gap and Triple Shape Coexistence in the Vicinity of 44S2015

    • Author(s)
      M. Kimura, Y. Taniguchi, and Y. Kanada-En’yo
    • Journal Title

      JPS Conference Proceedings

      Volume: 6 Pages: 020025-020025

    • DOI

      10.7566/jpscp.6.020025

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 16O + 16O + Valence Neutrons in Molecular Orbitals Structures of Positive- and Negative-Parity Superdeformed Bands in 34S2015

    • Author(s)
      Y. Taniguchi
    • Journal Title

      JPS Conference Proceedings

      Volume: 6 Pages: 030041-030041

    • DOI

      10.7566/jpscp.6.030041

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Approximation of reduced width amplitude and application to cluster decay width2014

    • Author(s)
      Y. Kanada-En'yo, T. Suhara, Y. Taniguchi
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2014 Issue: 7 Pages: 1-24

    • DOI

      10.1093/ptep/ptu095

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Deformation and α clustering in excited states of 42Ca2014

    • Author(s)
      Y. Taniguchi
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2014 Issue: 7 Pages: 73D01-0

    • DOI

      10.1093/ptep/ptu086

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 16O + 16O molecular structures of positive- and negative-parity superdeformed bands in 34S2014

    • Author(s)
      Y. Taniguchi
    • Journal Title

      Physical Review C

      Volume: 90 Issue: 5 Pages: 054308-054308

    • DOI

      10.1103/physrevc.90.054308

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Adiabatic internuclear potentials obtained by energy variation with the internuclear-distance constraint2013

    • Author(s)
      Yasutaka Taniguchi, Yoshiko Kanada-En'yo Tadahiro Suhara
    • Journal Title

      Prog. Theor. Exp. Phys.

      Volume: 2013 Issue: 4 Pages: 43D03-0

    • DOI

      10.1093/ptep/ptt002

    • Related Report
      2013 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Prolate, oblate, and triaxial shape coexistence, and the lost magicity of N=28 in 43S2013

    • Author(s)
      M.Kimura, Y.Taniguchi, Y.Kanada-Enyo, H.Horiuchi, K.Ikeda
    • Journal Title

      Physical Review C

      Volume: 87 Issue: 1

    • DOI

      10.1103/physrevc.87.011301

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 角運動量射影のための波動関数の整列2017

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      大阪大学、豊中
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] sd殻核における変形とクラスター相関2017

    • Author(s)
      谷口億宇
    • Organizer
      クラスター・平均場の両側面からみる原子核構造の多様性とそのダイナミクス
    • Place of Presentation
      大阪市立大学、大阪
    • Year and Date
      2017-01-19
    • Related Report
      2016 Annual Research Report
  • [Presentation] α- and t-cluster correlations in 35Cl2016

    • Author(s)
      Y. Taniguchi
    • Organizer
      Workshop on Nuclear Cluster Physics
    • Place of Presentation
      Yokohama, Japan
    • Year and Date
      2016-11-14
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Cluster correlations in deformed states2016

    • Author(s)
      Y. Taniguchi
    • Organizer
      Proton-neutron pairing and alpha-like quartet correlations in nuclei
    • Place of Presentation
      Trento, Italy
    • Year and Date
      2016-09-16
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Coupling of α- and t-cluster structures in excited deformed states of 35Cl2016

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 26th International Nuclear Physics Conference
    • Place of Presentation
      Adelaide, Australia
    • Year and Date
      2016-09-11
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 16 O + 16 O molecular structures of superdeformed states in 34S2016

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 26th International Nuclear Physics Conference
    • Place of Presentation
      Adelaide, Australia
    • Year and Date
      2016-09-11
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 16O + 16O molecular structures of superdeformed states in S isotopes2016

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 11th International Conference on Clustering Aspects of Nuclear Structure and Dynamics
    • Place of Presentation
      Naples, Italy
    • Year and Date
      2016-05-23
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 35 Cl の正負パリティ変形状態のクラスタ相関2016

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      仙台, 日本
    • Year and Date
      2016-03-19
    • Related Report
      2015 Research-status Report
  • [Presentation] 28Si の高励起 24Mg + α/ 16O + 12C クラスター回転帯2016

    • Author(s)
      千葉陽平 , 谷口億宇 , 木村真明
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      仙台, 日本
    • Year and Date
      2016-03-19
    • Related Report
      2015 Research-status Report
  • [Presentation] Cluster structures of superdeformed states in light nuclei2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      Frontier of γ-ray spectroscopy
    • Place of Presentation
      豊中, 日本
    • Year and Date
      2015-10-01
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 52Fe のオブレート超変形状態2015

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪, 日本
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] 28Si のパリティ非対称クラスターとアイソスカラー型単極 / 双極励起強度2015

    • Author(s)
      千葉陽平 , 谷口億宇 , 木村真明
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪, 日本
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] α移行反応を用いたαクラスター分布の探査2015

    • Author(s)
      福井徳朗 , 谷口億宇 , 須原唯広 , 延与佳子 , 緒方一介
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪, 日本
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] 35 Cl の変形状態におけるα及び t クラスタ相関2015

    • Author(s)
      谷口億宇 , 千葉陽平 , 木村真明
    • Organizer
      第 7 回「学際計算科学による新たな知の発見・統合・創出」シンポジウム
    • Place of Presentation
      つくば, 日本
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] Molecular structures of superdeformed states in 34S2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      Hokkaido Workshop on Many Nucleons Correlations and Clustering
    • Place of Presentation
      札幌, 日本
    • Year and Date
      2015-08-27
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 16O + 16O molecular structures of positive- and negative-parity superdeformed bands in 34S2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 12th International Conference on Nucleus-Nucleus Collisions
    • Place of Presentation
      イタリア
    • Year and Date
      2015-06-21 – 2015-06-26
    • Related Report
      2014 Research-status Report
  • [Presentation] Coupling of alpha- and t-cluster structures in excited deformed states of 35Cl2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 12th International Conference on Nucleus-Nucleus Collisions
    • Place of Presentation
      イタリア
    • Year and Date
      2015-06-21 – 2015-06-26
    • Related Report
      2014 Research-status Report
  • [Presentation] 16O + 16O molecular structures of positive- and negative-parity superdeformed bands in 34S2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 12th International Conference on Nucleus-Nucleus Collisions
    • Place of Presentation
      カターニア, イタリア
    • Year and Date
      2015-06-21
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Coupling of alpha- and t-cluster structures in excited deformed states of 35Cl2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      The 12th International Conference on Nucleus-Nucleus Collisions
    • Place of Presentation
      カターニア, イタリア
    • Year and Date
      2015-06-21
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 16O + 16O molecular structures of superdeformed states in S isotopes2015

    • Author(s)
      Y. Taniguchi
    • Organizer
      11th International Conference on Clustering Aspects of Nuclear Reactions and Dynamics
    • Place of Presentation
      ナポリ, イタリア
    • Year and Date
      2015-05-23
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 35Clのαクラスター超変形状態2015

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      新宿区
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] A~40核の超変形ハイパー変形状態とクラスター相関2015

    • Author(s)
      木村真明、谷口億宇、千葉陽平
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      新宿区
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] アイソスカラー型単極子励起で生成される28Siのクラスター状態2015

    • Author(s)
      千葉陽平、谷口億宇、木村真明
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      新宿区
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] 原子核の変形状態におけるクラスタ構造2014

    • Author(s)
      谷口億宇、木村真明
    • Organizer
      第6回「学際計算科学による新たな知 の発見・統合・創出」シンポジウム
    • Place of Presentation
      つくば市
    • Year and Date
      2014-10-22 – 2014-10-23
    • Related Report
      2014 Research-status Report
  • [Presentation] 16O + 16O molecular structures of superdeformed bands in S isotopes2014

    • Author(s)
      Y. Taniguchi
    • Organizer
      4th Joint Meeting of the Nuclear Physics Divisions of the American Physical Society and the Physical Society of Japan
    • Place of Presentation
      米国
    • Year and Date
      2014-10-07 – 2014-10-11
    • Related Report
      2014 Research-status Report
  • [Presentation] 16O + 16O + valence neutrons in molecular orbitals structures of positive- and negative-parity superdeformed bands in 34S2014

    • Author(s)
      Y. Taniguchi
    • Organizer
      Advances in Radioactive Isotope Science
    • Place of Presentation
      文京区
    • Year and Date
      2014-06-01 – 2014-06-06
    • Related Report
      2014 Research-status Report
  • [Presentation] 16O + 16O + valence neutrons in molecular orbitals structures of positive- and negative-parity superdeformed bands in 34S2014

    • Author(s)
      Y. Taniguchi
    • Organizer
      3rd International Workshop on "State of the Art in Nuclear Cluster Physics"
    • Place of Presentation
      横浜市
    • Year and Date
      2014-05-26 – 2014-05-30
    • Related Report
      2014 Research-status Report
  • [Presentation] S同位体の励起状態の変形の発達とクラスタ構造2014

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会年次大会
    • Place of Presentation
      東海大学、平塚市
    • Related Report
      2013 Research-status Report
  • [Presentation] 16O + 16O + valence neutrons in molecular orbitals structures of positive- and negative-parity superdeformed bands in 34S2014

    • Author(s)
      谷口億宇
    • Organizer
      3rd International Workshop on “State of the Art in Nuclear Cluster Physics”
    • Place of Presentation
      KGU関内メディアセンター、横浜市
    • Related Report
      2013 Research-status Report
  • [Presentation] 硫黄同位体の超変形状態とクラスタ相関2013

    • Author(s)
      谷口億宇
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      高知大学、高知市
    • Related Report
      2013 Research-status Report
  • [Presentation] sd及びpf殻領域における超変形状態とクラスタ相関2013

    • Author(s)
      谷口億宇
    • Organizer
      RCNP研究会「核子・ハイペロン多体系におけるクラスター現象」
    • Place of Presentation
      KGU関内メディアセンター、横浜市
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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