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A study of the gamma-ray emission from thermal neutron capture on Gadolinium, for the multiplicity and the energy distribution

Research Project

Project/Area Number 26800139
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionKobe University

Principal Investigator

Yano Takatomi  神戸大学, 理学(系)研究科(研究院), 助教 (70437341)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsJ-PARC / 熱中性子捕獲 / ガンマ線 / ガドリニウム / 熱中性子捕獲反応 / 中性子ビーム / Ge検出器
Outline of Final Research Achievements

The purpose of this research is to measure the energy and multiplicity of the gamma-ray from the thermal neutron capture on Gadolinium nuclei. It is also aimed at obtaining a computer simulation model of the gamma-ray emission from the reaction, by comparing the model and data.
In this research, we acquired a high statistics and high energy resolution data at the ANNRI neutron beam in J-PARC/MLF. The number of events was 3 billion for natural Gd and 8 billion for enriched Gd-155 and Gd-157, in total. We also constructed a new computer simulation code for the gamma-ray emission with better reproducibility for the data, comparing to existing simulation codes. The result of our research could be applied for the high-energy neutrino physics, the medical field and the nuclear reactor engineering.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (16 results)

All 2016 2015 2014

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (14 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] Measurement of the Energy, Multiplicity and Angular Correlation of Gamma-rays from the Thermal Neutron Capture Reaction Gd(n,gamma)2014

    • Author(s)
      Iwa Ou, Takatomi Yano, Yoshiyuki Yamada, Takaaki Mori, Tsubasa Kayano, Makoto Sakuda, Atsushi Kimura, and Hideo Harada
    • Journal Title

      JPS Conference Proceedings

      Volume: 1

    • DOI

      10.7566/jpscp.1.013053

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Measurement of the energy, multiplicity and angular correlation of gamma-rays from the thermal neutron capture reaction Gd(n,gamma) using JPARC-ANNRI2014

    • Author(s)
      I.Ou, Y.Yamada, T.Yano, T.Mori, T.Kayano, M.Sakuda, A.Kimura and H.Harada
    • Journal Title

      AIP Conference Proceedings

      Volume: 1594 Pages: 351-356

    • DOI

      10.1063/1.4874094

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Presentation] ガドリニウムの熱中性子捕獲反応から放出されるγ線データ解析とシミュレーションとの比較について2016

    • Author(s)
      萩原開人、矢野孝臣 他
    • Organizer
      日本物理学会第71回年次大会
    • Place of Presentation
      仙台
    • Year and Date
      2016-03-19
    • Related Report
      2015 Annual Research Report
  • [Presentation] Measurement of gamma-ray production from thermal neutron capture on Gadolinium for neutrino experiments2016

    • Author(s)
      T. Yano et.al
    • Organizer
      VCI2016
    • Place of Presentation
      Vienna
    • Year and Date
      2016-02-15
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Gd熱中性子捕獲ガンマ線の 精密測定と計算モデルの構築2016

    • Author(s)
      矢野孝臣 他
    • Organizer
      新学術「地下素核研究」第二回超新星ニュートリノ研究会
    • Place of Presentation
      富山
    • Year and Date
      2016-01-07
    • Related Report
      2015 Annual Research Report
  • [Presentation] A study of gamma-ray production from thermal neutron capture on Gadolinium2015

    • Author(s)
      T. Yano et.al
    • Organizer
      NNN15
    • Place of Presentation
      Stony Brook
    • Year and Date
      2015-10-28
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 濃縮ガドリニウム(A=155,157)の熱中性子捕獲反応から放出されるγ線データ解析2015

    • Author(s)
      萩原開人、矢野孝臣 他
    • Organizer
      日本物理学会2015年秋季大会
    • Place of Presentation
      大阪
    • Year and Date
      2015-09-24
    • Related Report
      2015 Annual Research Report
  • [Presentation] A study of Gamma production from neutron capture on Gadolinium2015

    • Author(s)
      T. Yano et.al
    • Organizer
      11th Geant4 Space Users Workshop
    • Place of Presentation
      広島
    • Year and Date
      2015-08-28
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Measurement of γ-rays from 
the thermal neutron capture of natural gadolinium, Gd-155 and Gd-157 Targets2015

    • Author(s)
      M. Sakuda, T. Yano et.al
    • Organizer
      OMEG2015
    • Place of Presentation
      北京
    • Year and Date
      2015-06-27
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Measurements of neutron capture gamma-rays from the reaction of gadolinium isotopes at the J-ANNRI/MLF/ANNRI2015

    • Author(s)
      K. Hagiwara, T. Yano et.al
    • Organizer
      OMEG2015
    • Place of Presentation
      北京
    • Year and Date
      2015-06-26
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Gamma production from thermal neutron capture on natural gadolinium, 155Gd and 157Gd2015

    • Author(s)
      K. Hagiwara, T. Yano et.al
    • Organizer
      NuInt15
    • Place of Presentation
      大阪
    • Year and Date
      2015-06-11
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 濃縮ガドリニウム(A=155,157)での熱中性子捕獲反応から放出されるγ線測定実験2015

    • Author(s)
      萩原開人、矢野孝臣 他
    • Organizer
      「宇宙の歴史をひもとく地下素粒子原子核研究」 第2回領域研究会
    • Place of Presentation
      神戸
    • Year and Date
      2015-05-15
    • Related Report
      2015 Annual Research Report
  • [Presentation] 濃縮ガドリニウム(A=155,157)での熱中性子捕獲反応から放出されるγ線測定実験2015

    • Author(s)
      萩原開人、矢野孝臣 他
    • Organizer
      日本物理学会 第70回年次大会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Research-status Report
  • [Presentation] ガドリニウム熱中性子反応によるγ線生成2015

    • Author(s)
      作田誠、矢野孝臣 他
    • Organizer
      新学術「地下素核研究」第一回超新星ニュートリノ研究会
    • Place of Presentation
      東京理科大学
    • Year and Date
      2015-03-16 – 2015-03-17
    • Related Report
      2014 Research-status Report
  • [Presentation] ガドリニウムの熱中性子捕獲から放出される γ 線の測定と計算2014

    • Author(s)
      山田芳幸、矢野孝臣 他
    • Organizer
      日本物理学会 2014年秋季大会
    • Place of Presentation
      佐賀大学
    • Year and Date
      2014-09-18 – 2014-09-21
    • Related Report
      2014 Research-status Report
  • [Presentation] Measurement of the Multi plic ity and Energy Spectrum of γ - rays from the Thermal Neutron Capture Reaction Gd(n,γ)2014

    • Author(s)
      I. OU, T. Yano et.al.
    • Organizer
      Neutrino2014 国際会議
    • Place of Presentation
      Boston, America
    • Year and Date
      2014-06-02 – 2014-06-07
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2017-05-10  

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