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The study of liquid structure and nano-second reactions in water by new positron methods.

Research Project

Project/Area Number 23600011
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Quantum beam science
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

HIRADE Tetsuya  独立行政法人日本原子力研究開発機構, 原子力科学研究部門 原子力基礎工学研究センター, 研究主幹 (10343899)

Co-Investigator(Renkei-kenkyūsha) OKA Toshitaka  国立大学法人東北大学, 高度教養教育・学生支援機構, 助教 (70339745)
Project Period (FY) 2011-04-28 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2011: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsポジトロニウム / バブル / サブナノメートル / 陽電子消滅 / 液体 / イオン液体 / 陽電子 / 消滅寿命 / LSOシンチレータ
Outline of Final Research Achievements

The research was delayed because of the Great East Japan earthquake. Although the period was expended for one year, the laboratory could not be used because of the trouble of the facility. Therefore, the experiments and preparation could not be performed. However, there were some results obtained during the setting up the apparatus and they could be analyzed very deeply. Then we succeeded to find a very new phenomena that could be used to create a new experimental method giving sab-nano bubble GHz oscillation and sub-nano second decay of oscillation in room temperature ionic liquids. It will be used to study very complicated liquid structures in ionic liquids and also in water, in the future.

Report

(5 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (21 results)

All 2015 2014 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (18 results) (of which Invited: 4 results)

  • [Journal Article] Positronium bubble oscillation in room temperature ionic2015

    • Author(s)
      T. Hirade
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 印刷中

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Positronium Bubble Oscillation in Room Temperature Ionic2014

    • Author(s)
      Tetsuya Hirade
    • Journal Title

      Japanese Journal of Applied Physics Conference Proceedings

      Volume: 2 Pages: 011003-011003

    • DOI

      10.7567/jjapcp.2.011003

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Positronium bubble formation in room temperature ionic liquids2013

    • Author(s)
      T. Hirade, T. Oka
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 443 Pages: 12060-12060

    • DOI

      10.1088/1742-6596/443/1/012060

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Positronium in room temperature ionic liquids2015

    • Author(s)
      Tetsuya Hirade
    • Organizer
      The 15th International Congress of Radiation Research (ICRR 2015)
    • Place of Presentation
      京都国際会議場(京都市・京都府)
    • Year and Date
      2015-05-25 – 2015-05-29
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 室温イオン液体中のポジトロニウム2015

    • Author(s)
      平出哲也
    • Organizer
      日本化学会 第95春季年会
    • Place of Presentation
      日本大学船橋キャンパス(船橋市・千葉県)
    • Year and Date
      2015-03-26 – 2015-03-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] イオン液体中のPsバブル2014

    • Author(s)
      平出哲也
    • Organizer
      京都大学原子炉実験所専門研究会「陽電子科学とその理工学への応用」
    • Place of Presentation
      京都大学原子炉実験所(熊取市・大阪府)
    • Year and Date
      2014-11-28 – 2014-11-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] Positronium bubble oscillation in room temperature ionic liquids2014

    • Author(s)
      Tetsuya Hirade
    • Organizer
      11th international workshop on positron and positronium chemistry (2014)
    • Place of Presentation
      Goa (India)
    • Year and Date
      2014-11-09 – 2014-11-14
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 陽電子消滅率で観測するイオン液体中のサブナノバブルの振動2014

    • Author(s)
      平出哲也
    • Organizer
      第5回イオン液体討論会
    • Place of Presentation
      横浜シンポジア(横浜市・神奈川県)
    • Year and Date
      2014-10-28 – 2014-10-29
    • Related Report
      2014 Annual Research Report
  • [Presentation] Positronium in room temperature ionic liquids2014

    • Author(s)
      Tetsuya Hirade
    • Organizer
      The 5th Asia Pacific Symposium on Radiation Chemistry
    • Place of Presentation
      東京大学弥生講堂(東京都)
    • Year and Date
      2014-09-08 – 2014-09-11
    • Related Report
      2014 Annual Research Report
  • [Presentation] イオン液体中におけるポジトロニウムバブル形成2014

    • Author(s)
      平出哲也
    • Organizer
      第51回アイソトープ・放射線研究発表会
    • Place of Presentation
      東京大学弥生講堂(東京都)
    • Year and Date
      2014-07-07 – 2014-07-09
    • Related Report
      2014 Annual Research Report
  • [Presentation] イオン液体中におけるポジトロニウムバブル形成2014

    • Author(s)
      平出哲也
    • Organizer
      第51回アイソトープ・放射線研究発表会
    • Place of Presentation
      東京大学本郷キャンパス(東京)
    • Related Report
      2013 Research-status Report
  • [Presentation] Positronium bubble oscillation in room temperature ionic liquids2013

    • Author(s)
      T. Hirade
    • Organizer
      2nd Japan China Joint Workshop on Positron Science
    • Place of Presentation
      産総研(つくば)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Positron annihilation methods by use of LSO scintillators2013

    • Author(s)
      T. Hirade, T. Oka
    • Organizer
      41st Polish Seminar on Positron Annihilation
    • Place of Presentation
      Lublin, Poland
    • Related Report
      2013 Research-status Report
  • [Presentation] LSO シンチレータによるAMOC 測定2013

    • Author(s)
      平出哲也,峯井俊太郎,酒井弘明
    • Organizer
      第50回アイソトープ・放射線研究発表会
    • Place of Presentation
      東京大学本郷キャンパス(東京)
    • Related Report
      2013 Research-status Report
  • [Presentation] イオン液体中のポジトロニウムバブル形成2013

    • Author(s)
      平出哲也
    • Organizer
      京都大学原子炉実験所専門研究会『陽電子科学とその理工学への応用』
    • Place of Presentation
      京都大学原子炉実験所(熊取)
    • Related Report
      2013 Research-status Report
  • [Presentation] LSOシンチレータによるAMOC測定2013

    • Author(s)
      平出哲也、峯井俊太郎、酒井弘明
    • Organizer
      第50回アイソトープ・放射線研究発表会
    • Place of Presentation
      東京大学弥生講堂(東京都)
    • Related Report
      2012 Research-status Report
  • [Presentation] Positronium bubble formation in room temperature ionic liquids2012

    • Author(s)
      Tetsuya Hirade, Toshitaka Oka
    • Organizer
      16th International Conference on Positron Annihilation
    • Place of Presentation
      イギリス,ブリストル大学
    • Related Report
      2012 Research-status Report
  • [Presentation] AMOCで観測するポジトロニウム形成2012

    • Author(s)
      平出哲也,岡 壽崇
    • Organizer
      第49回アイソトープ・放射線研究発表会
    • Place of Presentation
      東京大学弥生講堂(東京都)
    • Related Report
      2012 Research-status Report
  • [Presentation] 陽電子消滅法によるイオン液体の研究2012

    • Author(s)
      平出哲也,岡 壽崇
    • Organizer
      第55回放射線化学討論会
    • Place of Presentation
      モンタナリゾート岩沼(宮城県)
    • Related Report
      2012 Research-status Report
  • [Presentation] 液体中のポジトロニウム消滅過程とバブル形成2012

    • Author(s)
      平出哲也,岡 壽崇
    • Organizer
      大阪大学産業科学研究所シンポジウム「量子ビームの新しい利用展開」
    • Place of Presentation
      大阪大学産業科学研究所(大阪府)
    • Related Report
      2012 Research-status Report
    • Invited
  • [Presentation] LSOシンチレータによる陽電子消滅寿命測定2012

    • Author(s)
      平出哲也、峯井俊太郎、酒井弘明
    • Organizer
      京都大学原子炉実験所専門研究会「陽電子科学とその理工学への応用」
    • Place of Presentation
      京都大学原子炉実験所(大阪府)
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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