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Measurement of 12C+4He fusion reaction at stellar energy

Research Project

Project/Area Number 22740170
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionKyushu University

Principal Investigator

FUJITA Kunihiro  九州大学, 大学院・理学研究院, 助教 (60532364)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords原子核(実験) / 天体核物理 / ヘリウム燃焼
Research Abstract

A cross section measurement employing a direct 16O detection method for the reaction energies from Ecm= 2.4 to 0.7 MeV is planned at Kyushu University Tandem Laboratory (KUTL).To perform this experiment and to obtain quantitative information about the cross section to within an error of 10%, we have developed several instruments, including a blow-in type windowless gas target and an ionization chamber.Experiments were performed at Ecm= 2.4 and 1.5 MeV using the developed instruments and the cross sections were obtained. A hybrid detector employing both an ionization chamber and a Si-SSD detector was developed to reduce the carbon backgrounds more efficiently. It was found that the new detector could reduce the background ratio by three orders,and the experiments in Ecm<1.2 MeV were ready for carrying out

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (23 results)

All 2013 2012 2011 2010 Other

All Journal Article (10 results) (of which Peer Reviewed: 7 results) Presentation (12 results) Remarks (1 results)

  • [Journal Article] AIP Conference Proceedings(NIC XII)2013

    • Author(s)
      K. Fujita, et al.
    • Journal Title

      PoS(NIC XII)

      Volume: 249 Pages: 1-5

    • URL

      http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=146

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article]2013

    • Author(s)
      H. Yamaguchi, K. Sagara, K. Fujita, et al.
    • Journal Title

      Few-Body Systems

      Volume: Volume 54, Issue 1-4 Issue: 1-4 Pages: 299-302

    • DOI

      10.1007/s00601-012-0380-8

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article]2013

    • Author(s)
      K. Fujita, et al.
    • Journal Title

      Few-Body Systems

      Volume: online Issue: 7-10 Pages: 1-4

    • DOI

      10.1007/s00601-012-0558-0

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Direct measurement of the 4He(12C, 16O)gamma cross section in inverse kinematics2012

    • Author(s)
      K. Fujita
    • Journal Title

      PoS(NIC XII)249

      Volume: PoS(NIC XII)249 Pages: 1-5

    • Related Report
      2012 Annual Research Report
  • [Journal Article] 九州大学タンデム加速器の現状2011

    • Author(s)
      藤田 訓裕、他
    • Journal Title

      第24回タンデム加速器及びその周辺技術の研究会報告集

      Pages: 97-100

    • Related Report
      2012 Final Research Report
  • [Journal Article] 九州大学タンデム加速器の現状2011

    • Author(s)
      藤田訓裕, 他
    • Journal Title

      第24回タンデム加速器及びその周辺技術の研究会報告集

      Pages: 97-100

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Direct measurement of 4He(12C,16O)γ reaction near stellar energy2010

    • Author(s)
      K. Fujita, et al.
    • Journal Title

      AIP Conference Proceedings(NIC XI)

      Volume: 1269巻 Pages: 289-294

    • URL

      http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=100

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Direct Measurement of 4He(12C,16O)γ Reaction at KUTL2010

    • Author(s)
      K. Fujita, et al.
    • Journal Title

      AIP Conference Proceedings(OMEG10)

      Volume: 1238巻 Pages: 211-213

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Direct Measurement of ^4He(^<12>C,^<16>O)γ Reaction at KUTL2010

    • Author(s)
      K.Fujita, et al.
    • Journal Title

      AIP Conference Proceedings

      Volume: 1238 Pages: 211-213

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Direct measurement of ^4He(^<12>C,^<16>O)γ reaction near stellar energy2010

    • Author(s)
      K.Fujita, et al.
    • Journal Title

      AIP Conference Proceedings

      Volume: 1269 Pages: 289-294

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] Measurement of 4He(12C,16O)γ reaction in inverse kinematics2012

    • Author(s)
      K. Fujita
    • Organizer
      The 20th International IUPAP Conference on Few-Body Problems in Physics(FB20)
    • Place of Presentation
      福岡
    • Year and Date
      2012-08-23
    • Related Report
      2012 Final Research Report
  • [Presentation] Direct measurement of 4He(12C,16O)γ in inverse kinematics2012

    • Author(s)
      K. Fujita
    • Organizer
      XII International Symposium on Nuclei in the Cosmos(NIC 2012)
    • Place of Presentation
      ケアンズ(オーストラリア)
    • Year and Date
      2012-08-06
    • Related Report
      2012 Final Research Report
  • [Presentation] 恒星温度における4He(12C,16O)γ反応の直接測定2012

    • Author(s)
      藤田 訓裕
    • Organizer
      日本物理学会春季大会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-03-25
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] Direct measurement of 4He(12C,16O)γ in inverse kinematics2012

    • Author(s)
      K. Fujita
    • Organizer
      XII International Symposium on Nuclei in the Cosmos (NIC2012)
    • Place of Presentation
      Cairns, Austraria
    • Related Report
      2012 Annual Research Report
  • [Presentation] Measurement of 4He(12C,16O)γ reaction in inverse kinematics2012

    • Author(s)
      K. Fujita
    • Organizer
      The 20th International IUPAP Conference on Few-Body Problems in Physics(FB20)
    • Place of Presentation
      Fukuoka, Japan
    • Related Report
      2012 Annual Research Report
  • [Presentation] Ecm=1.5,1.15MeV での4He(12C,16O)γ 反応断面積測定の現状2011

    • Author(s)
      藤田 訓裕
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      弘前大学
    • Year and Date
      2011-09-19
    • Related Report
      2012 Final Research Report
  • [Presentation] Ecm=1.5,1.15MeVでの4He(12C,16O)γ反応断面積測定の現状2011

    • Author(s)
      藤田訓裕
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      弘前大学
    • Year and Date
      2011-09-19
    • Related Report
      2011 Annual Research Report
  • [Presentation] 九州大学タンデム加速器の現状2011

    • Author(s)
      藤田 訓裕
    • Organizer
      第24回タンデム加速器及びその周辺技術の研究会
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2011-07-02
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] Measurement of 4He(12C,16O)γ near Stellar Energy by Inverse Kinematics2010

    • Author(s)
      K. Fujita
    • Organizer
      韓国物理学会 2010 年秋季年次大会
    • Place of Presentation
      Phoenix Park, Pyeon-Chang(韓国)
    • Year and Date
      2010-10-22
    • Related Report
      2012 Final Research Report
  • [Presentation] Measurment of ^4He(^<12>C,^<16>O)γ near Stellar Energy by Inverse Kinematics2010

    • Author(s)
      K.Fujita, et al.
    • Organizer
      韓国物理学会2010年秋期年次大会
    • Place of Presentation
      韓国、Phoenix Park,Pyeong-Chang
    • Year and Date
      2010-10-22
    • Related Report
      2010 Annual Research Report
  • [Presentation] Direct measurement of 4He(12C,16O) γ reaction near stellar energy2010

    • Author(s)
      K. Fujita
    • Organizer
      11th Symposium on Nuclei in the Cosmos(NIC XI)
    • Place of Presentation
      ハイデルベルグ(ドイツ)
    • Year and Date
      2010-07-19
    • Related Report
      2012 Final Research Report
  • [Presentation] Direct measurement of ^4He(^<12>C,^<16>O)γ reaction near stellar energy2010

    • Author(s)
      K.Fujita, et al.
    • Organizer
      11th Symposium on Nuclei in the Cosmos (NIC XI)
    • Place of Presentation
      ドイツ、ハイデルベルグ
    • Year and Date
      2010-07-19
    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://ne.phys.kyushu-u.ac.jp/SubGroups/Astro/

    • Related Report
      2012 Final Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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