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2009 Fiscal Year Self-evaluation Report

Multi-quark Components of Hadrons and their Dynamics

Research Project

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Project/Area Number 19540275
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionTokyo Institute of Technology

Principal Investigator

OKA Makoto  Tokyo Institute of Technology, 大学院・理工学研究科, 教授 (60144606)

Project Period (FY) 2007 – 2010
Keywordsハドロン / クォーク / 量子色力学 / 格子ゲージ理論
Research Abstract

エキゾティックな多クォーク状態がメソンおよびバリオンのスペクトルにどのように現れるかを、強い相互作用の基礎理論である量子色力学(QCD)に基づいて解明する。特に格子QCDおよびQCD和則の手法をクォーク模型などの有効模型と組み合わせることにより、ペンタクォークΘ^+、励起バリオンΛ^*、その他のハドロン励起状態のクォーク構造を解明する。さらに、同じくQCDに基づいてハドロン間の相互作用とハドロンの分子的共鳴状態の構造を解明する。

  • Research Products

    (13 results)

All 2010 2009 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (5 results) Book (1 results)

  • [Journal Article] Low-lying Lambda Baryons with spin 1/2 in Two-flavor Lattice QCD2010

    • Author(s)
      T. T. Takahashi, M. Oka
    • Journal Title

      Phys. Rev D81

      Pages: 034505

    • Peer Reviewed
  • [Journal Article] Possible quantum numbers of the pentaquark Θ+(1540) in QCD sum rules2009

    • Author(s)
      P. Gubler, D. Jido, T. Kojo, T. Nishikawa, M. Oka
    • Journal Title

      Phys. Rev. D80

      Pages: 114030

    • Peer Reviewed
  • [Journal Article] Pseudoscalar-meson-octet-baryon coupling constants in two-flavor lattice QCD2009

    • Author(s)
      G. Erkol, M.Oka, T. T. Takahashi
    • Journal Title

      Phys. Rev. D79

      Pages: 074509

    • Peer Reviewed
  • [Journal Article] Λ*-hypernuclei in phenomenological nuclear forces2008

    • Author(s)
      A. Arai, S. Yasui, M. Oka
    • Journal Title

      Prog. Theor. Phys. 119

      Pages: 103-115

    • Peer Reviewed
  • [Journal Article] Proposal for exotic-hadron search by fragmentation functions2008

    • Author(s)
      M. Hirai, M. Oka, et al.
    • Journal Title

      Phys. Rev. D77

      Pages: 017504

    • Peer Reviewed
  • [Journal Article] Triquark structure and isospin symmetry breaking in exotic Ds mesons2007

    • Author(s)
      S. Yasui, M. Oka
    • Journal Title

      Phys. Rev. D76

      Pages: 034009

    • Peer Reviewed
  • [Journal Article] Mixings of 4-quark components in light non-singlet scalar mesons in QCD sum rules2007

    • Author(s)
      J. Sugiyama, T. Nakamura, N. Ishii, T. Nishikawa, M. Oka
    • Journal Title

      Phys. Rev. D76

      Pages: 114010

    • Peer Reviewed
  • [Presentation] Keynote on QCD : Hadron Spectroscopy in QCD2009

    • Author(s)
      M. Oka
    • Organizer
      US-Japan Joint Workshop on Meson Production Reactions at Jefferson Lab and J-PARC
    • Place of Presentation
      ハワイ、アメリカ合衆国
    • Year and Date
      2009-10-12
  • [Presentation] How exotic can hadrons be?2009

    • Author(s)
      M. Oka
    • Organizer
      シンポジウム講演, 日本物理学会第64回年次大会
    • Place of Presentation
      立教大学、東京
    • Year and Date
      2009-03-30
  • [Presentation] Recent results on strange systems from QCD sum rules and lattice QCD2008

    • Author(s)
      M. Oka
    • Organizer
      Sendai International Symposium on Strangeness in Nuclear and Hadronic Systems
    • Place of Presentation
      東北大学、仙台
    • Year and Date
      2008-12-15
  • [Presentation] Meson-Baryon Couplings in QCD2008

    • Author(s)
      M. Oka
    • Organizer
      Workshop on Hadron Dynamics
    • Place of Presentation
      Almunecar, Spain
    • Year and Date
      2008-09-26
  • [Presentation] How shall we determine the number of quarks in hadrons?2007

    • Author(s)
      M. Oka
    • Organizer
      APCTP Focus Program on Physics at RHIC
    • Place of Presentation
      Pohan, Korea
    • Year and Date
      2007-12-04
  • [Book] Nuclear physics(S. Nagamiya, M. Oka et al.,(eds.), Proceedings, 23rd International Conference, INPC 2007)2008

    • Author(s)
      Proceedings, 23rd International Conference
    • Total Pages
      589
    • Publisher
      Elsevier Pub. Co.

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Published: 2011-06-18   Modified: 2016-04-21  

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