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Study of exotic cluster structures in nuclei

Research Project

Project/Area Number 25887049
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionMatsue National College of Technology

Principal Investigator

SUHARA Tadahiro  松江工業高等専門学校, 数理科学科, 助教 (10708407)

Project Period (FY) 2013-08-30 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords核構造 / クラスター構造 / 分子動力学 / 原子核理論 / 反対称化分子動力学 / 原子核構造
Outline of Final Research Achievements

We have investigated exotic cluster structures and discussed interesting mechanism for the stabilization of those structures. We presented a new picture that the alpha-linear-chain structure for 12C and 16O has one-dimensional alpha condensate character. We found that alpha-cluster breaking caused by the spin-orbit force gives significant effect on cluster structures, transition strengths, and band structure in 12C. We also found that cluster correlation plays an important role in 9Li, 11B, 14C, and 14N.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Annual Research Report
  • Research Products

    (13 results)

All 2015 2014 2013

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Acknowledgement Compliant: 5 results,  Open Access: 1 results) Presentation (6 results)

  • [Journal Article] 2α+t cluster feature of 3/23- state in 11B2015

    • Author(s)
      Yoshiko Kanada-En'yo and Tadahiro Suhara
    • Journal Title

      Phys. Rev. C

      Volume: 91, 014316 Issue: 1 Pages: 1-11

    • DOI

      10.1103/physrevc.91.014316

    • NAID

      120005973392

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Effects of α-cluster breaking on 3α-cluster structures in 12C2015

    • Author(s)
      Tadahiro Suhara and Yoshiko Kanada-En'yo
    • Journal Title

      Phys. Rev. C

      Volume: 91, 024315 Issue: 2 Pages: 1-10

    • DOI

      10.1103/physrevc.91.024315

    • NAID

      120005973395

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Gamow-Teller transitions from 14N ground to 14C ground and excited states2014

    • Author(s)
      Yoshiko Kanada-En'yo and Tadahiro Suhara
    • Journal Title

      Phys. Rev. C

      Volume: 89, 044313 Issue: 4 Pages: 1-10

    • DOI

      10.1103/physrevc.89.044313

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / 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 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] One-dimensional alpha Condensation of alpha-Linear-chain States in 12C and 16O2014

    • Author(s)
      T. Suhara et al.,
    • Journal Title

      Physical Review Letters

      Volume: 112 Issue: 6 Pages: 62501-62501

    • DOI

      10.1103/physrevlett.112.062501

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Cluster formation, breaking, and excitation in light nuclei2014

    • Author(s)
      Y. Kanada-En’yo, T. Suhara, and F. Kobayashi
    • Journal Title

      EPJ Web of Conferences

      Volume: 66, 01008 Pages: 1-8

    • DOI

      10.1051/epjconf/20146601008

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Investigation of the $3/2^{-}_{2}$ state of $^{9}$Li with microscopic structure and reaction models2013

    • Author(s)
      T. Furumoto, T. Suhara, and N. Itagaki
    • Journal Title

      Physical Review C

      Volume: 87, 064320 Issue: 6 Pages: 1-10

    • DOI

      10.1103/physrevc.87.064320

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] 12Cにおけるクラスターの壊れとバンド構造2015

    • Author(s)
      須原唯広
    • Organizer
      日本物理学会第70回年次大会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] Effects of α-cluster breaking on cluster structures in 12C2015

    • Author(s)
      Tadahiro Suhara
    • Organizer
      International Molecule-type Workshop "Structure and Reaction of Light Exotic Nuclei"
    • Place of Presentation
      京都大学
    • Year and Date
      2015-01-06 – 2015-01-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] One-dimensional α condensation of α-linear-chain states2014

    • Author(s)
      Tadahiro Suhara
    • Organizer
      3rd International Workshop on "State of the Art in Nuclear Cluster Physics" (SOTANCP3)
    • Place of Presentation
      KGU Kannai Media Center
    • Year and Date
      2014-05-26 – 2014-05-30
    • Related Report
      2014 Annual Research Report
  • [Presentation] One-dimensional α condensation of α-linear-chain states in 12C and 16O2014

    • Author(s)
      T. Suhara, Y. Funaki, B. Zhou, H. Horiuchi, and A. Tohsaki
    • Organizer
      Workshop "New aspcet of baryon many-body structure"
    • Place of Presentation
      ますや旅館(長野)
    • Related Report
      2013 Annual Research Report
  • [Presentation] 12C, 16Oのリニアチェイン構造における一次元α凝縮2014

    • Author(s)
      須原唯広、船木靖郎、周波、堀内昶、東崎昭弘
    • Organizer
      日本物理学会第69回年次大会
    • Place of Presentation
      東海大学
    • Related Report
      2013 Annual Research Report
  • [Presentation] ホイル状態に対するクラスターシェル競合の影響2013

    • Author(s)
      須原唯広、延与佳子
    • Organizer
      日本物理学会2013年秋季大会
    • Place of Presentation
      高知大学
    • Related Report
      2013 Annual Research Report

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Published: 2013-09-12   Modified: 2019-07-29  

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