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2022 Fiscal Year Annual Research Report

Organizing Committee

Administrative Group

Project AreaClustering as a window on the hierarchical structure of quantum systems
Project/Area Number 18H05400
Research InstitutionTokyo Institute of Technology

Principal Investigator

中村 隆司  東京工業大学, 理学院, 教授 (50272456)

Project Period (FY) 2018-06-29 – 2023-03-31
Keywords実験核物理 / 理論核物理 / ハドロン物理 / 原子物理 / 分子科学
Outline of Annual Research Achievements

本領域は、我が国が世界をリードするハドロン物理、原子核物理、原子物理、分子科学分野の研究者の力を結集し、階層間の壁を超えた連携研究を推進するものである。異なる物質の階層間に出現する多彩なクラスター現象を通じ、階層をつなぎ、階層間の垣根を超える量子系の普遍的な現象や法則を見出し、物質における階層構造の起源の解明を目指している。
総括班は、それぞれの物質階層の分野を超えて研究交流や連携を促し、共同研究を醸成し、本領域の目的達成を進めることを目的とする。そのため、総括班会議を毎月開催して7つの計画研究班間の連携を密にするとともに、研究集会の開催、若手研究者の育成、検出器や測定技術の共有、実験機器の供用促進、国際活動の支援、広報・アウトリーチ活動等を行ってきた。
最終年度となるR4年度は、国際会議International Symposium on Clustering as a Window on the Hierarchical Structure of Quantum Systems (CLUSHIQ2022) を仙台国際センターにおいて主催した。対面での出席者92名(海外12 名)、オンライン出席者25名(海外12 名)の参加があり、海外からの参加者による階層構造に関する招待講演に加え、各計画研究班の最新の研究成果、および5年間を締め括るまとめの発表が実施された。また、本シンポジウムでは、若手研究者育成を目的としてポスターセッションを開催し、ANPhA 賞を設置し5 名が受賞者した。
その他、本領域研究のハイライト研究の一つであったハイペロン核子散乱実験を深く掘り下げるための物質階層を横断する会などを行い、階層をつなぐ連携を強化した。

Research Progress Status

令和4年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和4年度が最終年度であるため、記入しない。

  • Research Products

    (26 results)

All 2023 2022 Other

All Int'l Joint Research (6 results) Journal Article (8 results) (of which Int'l Joint Research: 8 results,  Peer Reviewed: 8 results,  Open Access: 3 results) Presentation (5 results) (of which Int'l Joint Research: 5 results,  Invited: 5 results) Book (1 results) Remarks (2 results) Funded Workshop (4 results)

  • [Int'l Joint Research] University of Surrey/University of York(英国)

    • Country Name
      UNITED KINGDOM
    • Counterpart Institution
      University of Surrey/University of York
  • [Int'l Joint Research] LPC CAEN/GANIL/IPN Orsay(フランス)

    • Country Name
      FRANCE
    • Counterpart Institution
      LPC CAEN/GANIL/IPN Orsay
    • # of Other Institutions
      2
  • [Int'l Joint Research] GSI/Technical University Darmstadt/University of Koln(ドイツ)

    • Country Name
      GERMANY
    • Counterpart Institution
      GSI/Technical University Darmstadt/University of Koln
    • # of Other Institutions
      2
  • [Int'l Joint Research] IMP, CAS/Peking University(中国)

    • Country Name
      CHINA
    • Counterpart Institution
      IMP, CAS/Peking University
  • [Int'l Joint Research] IBS/Seoul National University(韓国)

    • Country Name
      KOREA (REP. OF KOREA)
    • Counterpart Institution
      IBS/Seoul National University
  • [Int'l Joint Research]

    • # of Other Countries
      14
  • [Journal Article] Unbound states in 17C and p-sd shell-model interactions2023

    • Author(s)
      S.Kim, J. W. Hwang, Y. Satou, T. Nakamura, et al.
    • Journal Title

      Physics Letters B

      Volume: 836 Pages: 137629-1-7

    • DOI

      10.1016/j.physletb.2022.137629

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Extended p3/2 Neutron Orbital and the N = 32 Shell Closure in 52Ca2022

    • Author(s)
      M. Enciu, H.N. Liu, A. Obertelli, T. Nakamura, et al.
    • Journal Title

      Physical Review Letters

      Volume: 129 Pages: 262501-1-7

    • DOI

      10.1103/PhysRevLett.129.262501

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Southwestern boundary of the N = 40 island of inversion: First study of low-lying bound excited states in 59 V and 61 V by Directly Detecting the Decay Neutrons2022

    • Author(s)
      Z. Elekes, M.M. Juhasz, D. Sohler, T. Nakamura, et al.
    • Journal Title

      Physical Reivew C

      Volume: 106 Pages: 064321-1-10

    • DOI

      10.1103/PhysRevC.106.064321

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Silicon tracker array for RIB experiments at SAMURAI2022

    • Author(s)
      A.I. Stefanescu, V.Panin, L. Trache, T. Nakamura, et al.
    • Journal Title

      The European Physical Journal A

      Volume: 58 Pages: 223-1-9

    • DOI

      10.1140/epja/s10050-022-00873-w

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Discovery of 39N2022

    • Author(s)
      D.S.Ahn, T.Kubo, T. Nakamura, et al.
    • Journal Title

      Physical Review Letters

      Volume: 129 Pages: 212502-1-7

    • DOI

      10.1103/PhysRevLett.129.212502

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Isoscaling in central Sn+Sn collisions at 270 MeV/u2022

    • Author(s)
      J.W. Lee, M.B. Tsang,C.Y. Tsang, T. Nakamura, et al.
    • Journal Title

      The European Physical Journal A

      Volume: 58 Pages: 201-1-10

    • DOI

      10.1140/epja/s10050-022-00851-2

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Observation of a correlated free four-neutron system2022

    • Author(s)
      M. Duer, T. Aumann, T. Nakamura, et al.
    • Journal Title

      Nature

      Volume: 606 Pages: 678-682

    • DOI

      10.1038/s41586-022-04827-6

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A first glimpse at the shell structure beyond 54Ca: Spectroscopy of 55K, 55Ca, and 57Ca2022

    • Author(s)
      T. Koiwai, K. Wimmer, T. Nakamura, et al.
    • Journal Title

      Physics Letters B

      Volume: 827 Pages: 136953-1-7

    • DOI

      10.1016/j.physletb.2022.136953

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Spectroscopy of neutron-rich nuclei near and beyond the neutron dripline2023

    • Author(s)
      Takashi Nakamura
    • Organizer
      International Workshop on clustering Aspects in Nuclei and Reactions
    • Int'l Joint Research / Invited
  • [Presentation] Spectroscopy of weakly bound and unbound nuclei2023

    • Author(s)
      Takashi Nakamura
    • Organizer
      3rd Japan-France Workshop Few-body problems in Physics: from atoms to quarks
    • Int'l Joint Research / Invited
  • [Presentation] Spectroscopy of nuclei near and beyond the neutron dripline2022

    • Author(s)
      Takashi Nakamura
    • Organizer
      ECT* Workshop on nuclear Physics at the Edge of Stability
    • Int'l Joint Research / Invited
  • [Presentation] Summary Talk2022

    • Author(s)
      Takashi Nakamura
    • Organizer
      The 11th International Conference on Direct Reactions with Exotic Beams (DREB2022)
    • Int'l Joint Research / Invited
  • [Presentation] Spectroscopy of neutron dripline nuclei2022

    • Author(s)
      Takashi Nakamura
    • Organizer
      Symposium: Developments of Physics of Unstable Nuclei (YKIS2022b)
    • Int'l Joint Research / Invited
  • [Book] Handbook of Nuclear Physics (Chapter: Coulomb breakup and soft E1 excitation of neutron halo nuclei)2023

    • Author(s)
      Takashi Nakamura
    • Total Pages
      37
    • Publisher
      Springer
    • ISBN
      978-981-15-8818-1
  • [Remarks] 新学術領域 量子クラスターで読み解く物質の階層構造

    • URL

      http://be.nucl.ap.titech.ac.jp/cluster/index.html

  • [Remarks] 新学術領域 量子クラスターで読み解く物質の階層構造 英語版

    • URL

      http://be.nucl.ap.titech.ac.jp/cluster/eng/index.html

  • [Funded Workshop] 3rd Japan-France Workshop Few-body problems in Physics - from atoms to quarks2023

  • [Funded Workshop] NUSPEC2023-International Symposium on Nuclear Spectroscopy for Extreme Quantum Systems2023

  • [Funded Workshop] International symposium on Clustering as a Window on the Hierarchical Structure of Quantum Systems (CLUSHIQ2022)2022

  • [Funded Workshop] International School for Strangeness Nuclear Physics (SNP School 2022)2022

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Published: 2024-12-25  

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