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2011 Fiscal Year Final Research Report

Specificity of nuclear force and the role of pion in unstable nuclei

Research Project

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Project/Area Number 21740194
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionOsaka Institute of Technology

Principal Investigator

MYO Takayuki  大阪工業大学, 工学部, 講師 (20423212)

Research Collaborator TOKI Hiroshi  大阪大学, 核物理研究センター, 名誉教授 (70163962)
IKEDA Kiyomi  理化学研究所, 仁科加速器研究センター, 客員研究員 (40011548)
Project Period (FY) 2009 – 2011
Keywords原子核(理論) / 核力 / テンソル力 / 不安定核 / 共鳴
Research Abstract

The nucleus is formed by the one-pion exchange potential(OPEP) between protons and neutrons. In this study, we investigate the role of the OPEP, which contains the non-central component. We first develop the theoretical method to treat the OPEP in nuclei and next apply this method to analyze the structures of light nuclei. From the results, it is found that the OPEP plays a decisive role to explain the excitation energy spectra. In addition, we also predict the many-body resonances observed in neutron-rich unstable nuclei and investigate the structures of those resonances.

  • Research Products

    (31 results)

All 2012 2011 2010 2009

All Journal Article (10 results) (of which Peer Reviewed: 9 results) Presentation (19 results) Book (2 results)

  • [Journal Article] Isoscalar monopole excitations in 16O :α-cluster states at low energy and mean-field-type states2012

    • Author(s)
      Takayuki Myo, Hisashi Horiuchi, Kiyomi Ikeda, Gerd. Roepke, Peter Schuck, Akihiro Tohsaki
    • Journal Title

      Physical Review C

      Volume: 85 Pages: 034315

    • DOI

      DOI:10.1103/PhysRevC.85.034315

    • Peer Reviewed
  • [Journal Article] Four-body resonances of 7B using the complex scaling method2011

    • Author(s)
      Takayuki Myo, Yuma Kikuchi, Kiyoshi Kato
    • Journal Title

      Physical Review C

      Volume: 84 Pages: 064306

    • DOI

      DOI:10.1103/Phys Rev C.84.064306

    • Peer Reviewed
  • [Journal Article] Three-body model analysis of α+d elastic scattering and the d(α,γ) 6Li reaction in complex-scaled solutions of the Lippmann-Schwinger equation2011

    • Author(s)
      Yuma Kikuchi, Nozomi Kurihara, Atsushi Wano, Kiyoshi Kato, Takayuki Myo and Masaaki Takashia
    • Journal Title

      Physical Review C

      Volume: 84 Pages: 064610

    • DOI

      DOI:10.1103/PhysRevC.84.064610

    • Peer Reviewed
  • [Journal Article] Role of the tensor interaction in He isotopes with a tensor-optimized shell model2011

    • Author(s)
      Takayuki Myo, Atsushi Umeya, Hiroshi Toki and Kiyomi Ikeda
    • Journal Title

      Physical Review C

      Volume: 84 Pages: 034315

    • DOI

      DOI:10.1103/PhysRevC.84.034315

    • Peer Reviewed
  • [Journal Article] Five-body resonances of 8He using the complex scaling method2010

    • Author(s)
      Takayuki Myo, Ryosuke Ando and Kiyoshi Kato
    • Journal Title

      Physics Letters B

      Volume: 691 Pages: 150-155

    • DOI

      DOI:10.1016/j.physletb.2010.06.034

    • Peer Reviewed
  • [Journal Article] Two-neutron correlations in 6He in a Coulomb breakup reaction2010

    • Author(s)
      Yuma Kikuchi, Kiyoshi Kato, Takayuki Myo, Masaaki Takashina and Kiyomi Ikeda
    • Journal Title

      Physical Review C

      Volume: 81 Pages: 044308

    • DOI

      DOI:10.1103/PhysRevC.81.044308

    • Peer Reviewed
  • [Journal Article] Tensor optimized shell model using bare interaction for light nuclei2010

    • Author(s)
      Takayuki Myo, Hiroshi Toki and Kiyomi Ikeda
    • Journal Title

      Modern Physics Letters A

      Volume: 25 Pages: 1985-1988

    • DOI

      DOI:10.1142/S0217732310000800

  • [Journal Article] One-neutron removal strength of 7He into 6He using the complex scaling method2009

    • Author(s)
      Takayuki Myo, Ryosuke Ando, Kiyoshi Kato
    • Journal Title

      Physical Review C

      Volume: 80 Pages: 014315

    • DOI

      DOI:10.1103/PhysRevC.80.014315

    • Peer Reviewed
  • [Journal Article] Coulomb Breakup Reactions in Complex-Scaled Solutions of the Lippmann-Schwinger Equation2009

    • Author(s)
      Yuma Kikuchi, Takayuki Myo, Masaaki Takashina, Kiyoshi Kato, Kiyomi Ikeda
    • Journal Title

      Progress of Theoretical Physics

      Volume: 122 Pages: 499-510

    • DOI

      DOI:10.1143/PTP.122.499

    • Peer Reviewed
  • [Journal Article] Tensor-optimized shell model with bare nucleon-nucleon interaction for 4He2009

    • Author(s)
      Takayuki Myo, Hiroshi Toki and Kiyomi Ikeda
    • Journal Title

      Progress of Theoretical Physics

      Volume: 121 Pages: 511-531

    • DOI

      DOI:10.1143/PTP.121.511

    • Peer Reviewed
  • [Presentation] テンソル最適化シェルモデルによるs-pシェル核構造2012

    • Author(s)
      明孝之
    • Organizer
      日本物理学会第67回年次大会・シンポジウム「テンソル力による核子多体系の構造とそのダイナミックス」
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-03-26
  • [Presentation] Halo formation in 11Li : The Role of Pairing and Tensor Correlations2012

    • Author(s)
      Takayuki Myo
    • Organizer
      WE-Heraeus-Seminar, Physikzentrum Bad Honnef
    • Place of Presentation
      Germany
    • Year and Date
      2012-03-21
  • [Presentation] Role of tensor force in light nuclei with tensor optimized shell model2012

    • Author(s)
      Takayuki Myo
    • Organizer
      International molecule on "Nuclear forces and neutron-rich matter"
    • Place of Presentation
      京都大学
    • Year and Date
      2012-03-13
  • [Presentation] Roles of tensor force in light nuclei with tensor optimized shell model2011

    • Author(s)
      Takayuki Myo
    • Organizer
      International symposium on frontiers in nuclear physics-tensor interaction in nuclear and hadron physics-
    • Place of Presentation
      北航大学, Beijing, China
    • Year and Date
      2011-11-02
  • [Presentation] Resonances and Continuum States of Drip-Line Nuclei Using the Complex Scaling Method2011

    • Author(s)
      Takayuki Myo
    • Organizer
      YKIS2011 Symposium Frontier Issues in Physics of Exotic Nuclei
    • Place of Presentation
      京都大学
    • Year and Date
      2011-10-11
  • [Presentation] Roles of tensor and pairing correlations in neutron drip-line nuclei2011

    • Author(s)
      Takayuki MyO
    • Organizer
      YIPQS Long-term workshop Dynamics and Correlations in Exotic Nuclei
    • Place of Presentation
      京都大学
    • Year and Date
      2011-10-03
  • [Presentation] He同位体におけるテンソル力の働きと高運動量成分2011

    • Author(s)
      明孝之
    • Organizer
      日本物理学会2011年秋季大会
    • Place of Presentation
      弘前大学
    • Year and Date
      2011-09-16
  • [Presentation] He同位体におけるテンソル相関の役割2011

    • Author(s)
      明孝之
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
  • [Presentation] Role of Tensor Force in Light Nuclei Based on the Tensor Optimized Shell Model2010

    • Author(s)
      Takayuki Myo
    • Organizer
      International conference on the structure of baryons "BARYONS' 10"
    • Place of Presentation
      大阪大学
    • Year and Date
      2010-12-10
  • [Presentation] Roles of tensor and pairing correlations in neutron drip-line nuclei2010

    • Author(s)
      Takayuki Myo
    • Organizer
      International symposium "Halo2010"
    • Place of Presentation
      葉山
    • Year and Date
      2010-12-08
  • [Presentation] 4He, 5Heにおけるテンソル相関の役割2010

    • Author(s)
      明孝之
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      九州工業大学
    • Year and Date
      2010-09-11
  • [Presentation] Resonances and Continuum States of Drip-Line Nuclei Using the Complex Scaling Method2010

    • Author(s)
      Takayuki Myo
    • Organizer
      The 24th International Nuclear Physics Conference(INPC2010)
    • Place of Presentation
      University of British Columbia, Vancouver Canada
    • Year and Date
      2010-07-05
  • [Presentation] Resonances and continuum states of halo nuclei using the complex scaling method2010

    • Author(s)
      Takayuki Myo
    • Organizer
      2nd Workshop on "State of the Art in Nuclear Cluster Physics"
    • Place of Presentation
      Universite Libre de Bruxelles, Brussels, Belgium
    • Year and Date
      2010-05-27
  • [Presentation] 8Heの5体共鳴状態の構造2010

    • Author(s)
      明孝之
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-23
  • [Presentation] Tensor optimized shell model using bare interaction for light nuclei2010

    • Author(s)
      Takayuki Myo
    • Organizer
      International Symposium "Forefront of researches in exotic nuclear structures"
    • Place of Presentation
      Tokamachi, Niigata
    • Year and Date
      2010-03-04
  • [Presentation] Tensor optimized shell model using bare interaction for light nuclei2009

    • Author(s)
      Takayuki Myo
    • Organizer
      Workshop on "Hadron and Nuclear Physics(HNP09)"
    • Place of Presentation
      Osaka University
    • Year and Date
      2009-11-16
  • [Presentation] Resonances of He isotopes using complex scaling method2009

    • Author(s)
      Takayuki Myo
    • Organizer
      3rd joint meeting of the nuclear physics divisions of the APS and JPS
    • Place of Presentation
      Hawaii big island, USA
    • Year and Date
      2009-10-14
  • [Presentation] Tensor optimized shell model using bare interaction for light nuclei2009

    • Author(s)
      Takayuki Myo
    • Organizer
      19th International IUPAP Conference on Few-Body Problems in Physics
    • Place of Presentation
      Germany, Bonn
    • Year and Date
      2009-09-02
  • [Presentation] Tensor optimized shell model using bare interaction for light nuclei2009

    • Author(s)
      Takayuki Myo
    • Organizer
      12th INTERNATIONAL CONFERENCE ON NUCLEAR REACTION MECHANISMS
    • Place of Presentation
      Varenna, Italy
    • Year and Date
      2009-06-18
  • [Book] Di-neutron clustering and deuteron-like tensor correlation in nuclear structure focusing on 11Li, Lecture Notes in Physics(LNP) 818(2010)"Clusters in Nuclei"2010

    • Author(s)
      Kiyomi Ikeda, Takayuki Myo, Kiyoshi Kato and Hiroshi Toki
    • Total Pages
      165-221
    • Publisher
      Springer
  • [Book] Proceedings of the international workshop on hadron and nuclear physics2010

    • Author(s)
      A. Hosaka, T. Myo, H. Nagahiro and K. Nawa
    • Total Pages
      406

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Published: 2013-07-31  

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