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STUDY OF HEAVY-ION REACTIONS NEAR THE FISSION BARRIER

Research Project

Project/Area Number 60460013
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 核・宇宙線・素粒子
Research InstitutionInstitute of Physics, University of Tsukuba

Principal Investigator

LEE Sang-moo  Institute of Physics, Univ. of Tsukuba, Associate Professor, 物理学系, 助教授 (10175028)

Co-Investigator(Kenkyū-buntansha) KASAGI Jirohta  Department of Physics, Tokyo Institute of Technology, Associate Professor, 理学部, 助教授 (10016181)
MIKUMO Takashi  Institute of Physics, Univ. of Tsukuba, Professor, 物理学系, 教授 (40015475)
NAGASHIMA Yasuo  Institute of Physics, Univ. of Tsukuba, Lecturer, 物理学系, 講師 (60091914)
ウ゛ィルフリード カ゛ルスタ  筑波大学, 理工学研究所, 外国人教師
FURUNO Kohei  Institute of Physics, Univ. of Tsukuba, Associate Professor, 物理学系, 助教授 (40015772)
GALSTER Wilfried  Program in Scientific Technology, Univ. of Tsukuba, Foreign Lecturer
Project Period (FY) 1985 – 1986
Project Status Completed (Fiscal Year 1986)
Budget Amount *help
¥7,400,000 (Direct Cost: ¥7,400,000)
Fiscal Year 1986: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1985: ¥5,900,000 (Direct Cost: ¥5,900,000)
KeywordsHeavy-Ion Reactions near the Fission-Barrier / multi-angle T-O-F spectrometer Large area Gas Ionization Chamber / Fission mass-, charge-, Kinetic energy-and angular distributions / T-O-F測定 / 核分裂の質量 / 荷電 / エネルギー / 角分布;拡張ハウザーフェッシュバッハ法 / 変形効果 / 結合エネルギー効果
Research Abstract

The GIC-ion source was introduced to increase the intensity of heavyion beams. The pulsed beam with DELTAt=600ps was obtained by developing the new buncher system. The multi-angles T-O-F spectrometer was installed together with the large area Gas Ionization Chamber, the Pararell plate Avaranche Counter and the large area solid state detectors. This makes enable us to measure the fission mass-, charge-, kinetic energy- and angular distributions simultaneously in the heavy-ion induced reactions near the fission barrier for medium and heavy nuclei systems.
The Extended Hauser-Feshbach Method has been developed by including the effects of temperature dependent level density parameter, fission fragment shape fluctuations and binding energy depending on the excitation.

Report

(1 results)
  • 1986 Final Research Report Summary
  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] 李相茂: Proc.of the Symposium on the Many Facets of Heavy-Ion Fusion Reactions. 63 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 長島泰夫: Physical Review C. 33. 176 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 村上健: Nuclear Instrument and Method. A253. 163 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 松瀬丈浩: Fission研究会報告 RCNP-P-80. 60 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 中川孝秀: Nuclear Physics A.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 松瀬丈浩: Physical Review Letters.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Sang-Moo Lee: "Angular Momentum Limitations to Fusion" Proc. of the Symposium on the Many Facets of Heavy-Ion Fusion Reactions. 63- (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yasuo Nagashima: "Effects of Entrance Channel and Compound Nucleus in the Fusion Cross Sections for <^(28)Si> + <^(28)Si> , <^(16)O> + <^(40)Ca> , <^(32)S> + <^(30)Si> and <^(12)C> + <^(50)Cr> " Physical Review C. 33. 176- (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Ken Murakami: "Properties of Ba <F_2> Scintillators in Charged Particle Detection" Nuclear Instrument and Method. A253. 163- (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Takeharu Matsuse: "Statistical Scission Model for Heavy-Ion Induced Fusion" Fission RCNP-P-80. 60- (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Takahide Nakagawa: "Competition of Evaporation and Fission in the <^(16)O> +170, <^(174)Yb> and <^(32)S> +144, <^(154)Sn> Systems" Nuclear Physics A.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Takeharu Matsuse: "Empirical Level Density Parameter Physical Review Letters"

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary

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Published: 1987-03-31   Modified: 2016-04-21  

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