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Nuclear physics with strangeness

Research Project

Project/Area Number 04302014
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field 核・宇宙線・素粒子
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

IMAI Kenichi  Kyoto Univ., Fac.of Science, Professor, 理学部, 教授 (70025493)

Co-Investigator(Kenkyū-buntansha) TAMAE Tadaaki  Tohoku Univ., Fac.of Science, Professor, 理学部, 助教授 (10124174)
HAYANO Ryugo  The Univ.of Tokyo, Fac, of.Science, Professor, 大学院・理学系研究科, 助教授 (30126148)
EJIRI Hiroyasu  Osaka Univ., Fac.of Science, Professor, 理学部, 教授 (80013374)
NAKAI Kouji  National Lab.for High Energy, Professor, 教授 (40028155)
MASAIKE Akira  Kyoto Univ., Fac.of Science, Professor, 理学部, 教授 (40022587)
Project Period (FY) 1992 – 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥8,900,000 (Direct Cost: ¥8,900,000)
Fiscal Year 1994: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1993: ¥3,800,000 (Direct Cost: ¥3,800,000)
Fiscal Year 1992: ¥3,400,000 (Direct Cost: ¥3,400,000)
Keywordsstrangeness / hypernuclei / hyperon / nuclei / nuclear force / SU(3)symmetry / K中間子 / ダブルハイパー核 / K-中間子 / 大追度陽子加速器 / ストレンジクォーク物質 / ハイペロン核子相互作用
Research Abstract

Through many workshops on the various topics and symposiumsin the strangeness nuclear physics, we have obtained the following results ;
1) The LAMBDA shell energy levels have been studied by (pi+, KAPPA+)spectroscopy of the LAMBDA-hypernuclei upto the Pb nuclei.
2) The method of gammaspectroscopy of LAMBDA-hypernuclei has been investigated and R&D of the various gamma-detectors are in progress.
3) The cross section for SIGMA+p elastic scattering has been measured with a scintillating fiber detector and this new method is proved quite useful to study hyperon-nucleon interaction through scattering experiments.
4) The methods to improve the statistics of the double hypernuclei have been investigated and two experimental plans, a new hybrid-emulsion method and decay-pi-spectroscopy with a cylindrical chamber, are made and proposed to BNL and KEK.
5) The accelerator and beam line for the strangeness nuclear physics have been discussed and we summarize our future plan, which is an important part of the future plan of Japanese nuclear and hadron physics.

Report

(4 results)
  • 1994 Annual Research Report   Final Research Report Summary
  • 1993 Annual Research Report
  • 1992 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] N.Saito et al.,: "Composite particle production in relativistic Au,Si,p+Pt collision" Physical Review C. 49. 3211-3218 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.Ikeda et al.,: "Formation of a Ξ^- Hypernucleus and Transitions to Double Λ states" Progress of Theoretical Physics. 91. 747-757 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Hasegawa et al.,: "Core excited states of Λ^^<12>C hypernuclei formed in the (π^+,K^+)reaction" Physical Review Letters. 74. 224-227 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 今井憲一(共著): "New Frontiers in Nuclear Physics" World Scientific, 254 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] N.Saito et.al: "Composite particle production in relativistic Au, Si, p+Pt collision" Physical Review C. 49. 3211-3218 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Ikeda et al: "K.Formation of a *^- Hypernucleus and Transitions to Double LAMBDA states" Progress of Theoretical Physics. 91. 747-757 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Hasegawa et al: "Core excited states of ^<12>_<LAMBDA>C hypernuclei formed in the (pi^+, K^+)reaction" Physical Reveiw Letters. 74. 224-227 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.Imai et al.: "World Scientific" New Frontiers in Nuclear Physics. 1-254 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] N.Saito et al.,: "Composite paricle production in relativistic Au,Si,P+Pt collision" Physical Reuiew C. 49. 3211-3218 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Ikeda et al.,: "Formation of a Ξ^- Hypernucle us and Transitions to Double Λ states" Progress of Theoretical Physics. 91. 747-757 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Hasegawa et al.,: "Core excited states of ^<12>_^C hypernuclei formed in the (Π^+,K^+) reaction" Physical Reuiew Letters. 74. 224-227 (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] 今井憲一(共著): "New Frontiers in Nuclear Physics" World Scientific, 254 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Imai: "Search for double strangeness systems" Nuclear Physics. A553. 667-674 (1993)

    • Related Report
      1993 Annual Research Report

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Published: 1992-04-01   Modified: 2019-03-13  

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