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Experimental studies on generation mechanism of novel photon beams using heavy ions

Research Project

Project/Area Number 16H02136
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Quantum beam science
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

Kamigaito Osamu  国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 部長 (00260191)

Co-Investigator(Kenkyū-buntansha) 金井 保之  国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 特別嘱託研究員 (00177487)
中川 孝秀  国立研究開発法人理化学研究所, 仁科加速器科学研究センター, チームリーダー (00360602)
笹尾 登  岡山大学, 異分野基礎科学研究所, 特任教授 (10115850)
市川 雄一  国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 専任研究員 (20532089)
吉見 彰洋  岡山大学, 異分野基礎科学研究所, 准教授 (40333314)
長友 傑  国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 専任技師 (60418621)
吉村 太彦  岡山大学, 異分野基礎科学研究所, 教授 (70108447)
原 秀明  岡山大学, 異分野基礎科学研究所, 特別契約職員(助教) (70737311)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥42,250,000 (Direct Cost: ¥32,500,000、Indirect Cost: ¥9,750,000)
Fiscal Year 2019: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2018: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2017: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
Fiscal Year 2016: ¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Keywords重イオンビーム / コヒーランス / シンクロトロン放射 / レーザー / 量子ビーム / 原子・分子物理 / 加速器 / 実験核物理 / 4Dエミッタンス / 原子・分子物理学 / 素粒子実験
Outline of Final Research Achievements

研究成果の概要(英文):This research was conducted with an aim to develop a method which generates photon beams (gamma-rays) with novel features rendered by heavy ions and/or quantum coherence. Actually, we carried out some basic studies with Ba ions as a first step toward a bright gamma-ray source. We confirmed that the measured resonant cross section and its width etc. basically agree with theoretical expectations, and pointed out several issues to be clarified in future. In addition to these experimental studies, we proposed new methods of generating gamma-rays with orbital angular momentum.

Academic Significance and Societal Importance of the Research Achievements

ガンマ線は原子核や素粒子物理学を始めとする基礎物理学の進展に貢献するだけではなく、非破壊検査やイメージングなど医療や産業面でも応用範囲が広く、それ故極めて重要な役割を果たしてきた。本研究は重イオン及びコヒーランスをキーワードとして、これらによってもたらされる新しい特徴を備えたガンマ線源生成法の開発を目的としている。実験面では、従来よりも数桁も輝度の高いガンマ線源を念頭にバリウムイオンを用いた開発実験を行い、今後の基礎となる成果を得た。また理論面では軌道角運動を有するガンマ線源の生成法を新たに提案した。

Report

(5 results)
  • 2021 Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (11 results)

All 2022 2021 2020 2018 2017 2016

All Journal Article (4 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (7 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Journal Article] Alternative method of generating gamma rays with orbital angular momentum2021

    • Author(s)
      Minoru Tanaka, Noboru Sasao
    • Journal Title

      International Journal of Modern Physics E

      Volume: 30 Issue: 06 Pages: 2150040-2150040

    • DOI

      10.1142/s0218301321500403

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Intense Gamma Radiation by Accelerated Quantum Ion2017

    • Author(s)
      Noboru Sasao
    • Journal Title

      Particle Physics at the Year of 25th Anniversary of the Lomonosov Conference

      Volume: -

    • Related Report
      2017 Annual Research Report
  • [Journal Article] 相対論的量子イオンビームによる高強度ガンマ線源2017

    • Author(s)
      本田洋介 他
    • Journal Title

      第14回日本加速器学会年会プロシーディングス

      Volume: - Pages: 1303-1305

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] Determination of CP violation parameter using neutrino pair beam2016

    • Author(s)
      M. Yoshimura and N. Sasao
    • Journal Title

      Phys. Lett. B

      Volume: 753 Pages: 465-469

    • DOI

      10.1016/j.physletb.2015.12.040

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 軌道角運動量をもつガンマ線の新たな生成法2022

    • Author(s)
      笹尾登
    • Organizer
      日本物理学会第77回年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Ba-ion spectroscopy experiment for high-intensity gamma-ray source using heavy ions2020

    • Author(s)
      R. Fujieda
    • Organizer
      The 12th International Workshop on Fundamental Physics Using Atoms January 6-7, 2020 (RIKEN in Saitama)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 量子イオンビーム(QIB)へ向けたBaイオン源の開発2018

    • Author(s)
      藤枝亮
    • Organizer
      日本物理学会第73回年次大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 相対論的量子イオンビームによる高強度ガンマ線源2017

    • Author(s)
      本田洋介
    • Organizer
      第14回日本加速器学会年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Intense gamma radiation by accelerated quantum ions2017

    • Author(s)
      Noboru Sasao
    • Organizer
      18th Lomonosov Conference on Elementary Particle Physics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Intense gamma radiation by accelerated quantum ions2017

    • Author(s)
      Noboru Sasao
    • Organizer
      Light driven Nuclear-Particle physics and Cosmology 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Photon and neutrino emission from quantum ions in circular motion2016

    • Author(s)
      Noboru Sasao
    • Organizer
      25th International Conference on Atomic Physics (ICAP 2016)
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research

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Published: 2016-04-21   Modified: 2023-01-30  

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