• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2008 Fiscal Year Final Research Report

Study of pentaquark and meson-baryon scattering with quark-quark correlations

Research Project

  • PDF
Project/Area Number 17540264
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 InstitutionSophia University

Principal Investigator

SHIMIZU Kiyotaka  Sophia University, 理工学部, 教授 (00143363)

Co-Investigator(Kenkyū-buntansha) TAKEUCHI Sachiko  日本社会事業大学, 社会福祉学部, 教授 (90251503)
INOUE Takashi  上智大学, 理工学部, 助教 (80407353)
Co-Investigator(Renkei-kenkyūsha) TAKEUCHI Sachiko  日本社会事業大学, 社会福祉学部, 教授 (90251503)
Project Period (FY) 2005 – 2008
Keywords原子核(理論)
Research Abstract

Spring8において、質量がおよそ1540MeV、崩壊幅が20MeV程度のペンタクォークΘ+と呼ばれる粒子の発見が報告され、これに対して構成子クォーク模型を使って考察した結果、単純な模型では記述することは非常に難しいことを示した。現在は実験的にもいくつかのグループから問題点が指摘されている。同様に、クォーク5体系と示唆されているΛ(1405)に対しても、バリオン-メソン散乱に、「連続状態中の束縛状態」を含む、準相対論的散乱問題を扱った。

  • Research Products

    (5 results)

All 2009 2008 2007 2005

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (2 results)

  • [Journal Article] Λ(1405) resonance in baryon-meson scattering with a bound state embedded in the continuum2009

    • Author(s)
      Sachiko Takeuchi and Kiyotaka Shimizu
    • Journal Title

      Physical Review C79 045204

      Pages: 1-12

    • Peer Reviewed
  • [Journal Article] Λ(1405) as a resonance in the baryon-meson scattering coupled to the q3 state in a quark model2007

    • Author(s)
      Sachiko Takeuchi and Kiyotaka Shimizu
    • Journal Title

      Physical Review C76 035204

      Pages: 1-11

    • Peer Reviewed
  • [Journal Article] Pentaquark as a NK* Bound State with TJ = 0 3/22005

    • Author(s)
      Sachiko Takeuchi and Kiyotaka Shimizu
    • Journal Title

      Physical Review C71 062202

      Pages: 1-5

    • Peer Reviewed
  • [Presentation] Λ(1405) in a baryon meson scattering described from a quark-model viewpoint2008

    • Author(s)
      Sachiko Takeuchi and Kiyotaka Shimizu
    • Organizer
      Proceedings of the Sendai International Symposium on Strangeness in Nuclear and Hadronic Systems
    • Place of Presentation
      Sendai
    • Year and Date
      20081215-18
  • [Presentation] Λ(1405) as a resonance in the baryon meson scattering coupled to the q3 state in a quark model2007

    • Author(s)
      Sachiko Takeuchi and Kiyotaka Shimizu
    • Organizer
      Proceedings of the 11th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon
    • Place of Presentation
      IKP, Juelich, Germany
    • Year and Date
      20070910-14

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi