Rchr
J-GLOBAL ID：201801009877208139
Update date: Oct. 31, 2024
Fujii Toshihiro
フジイ トシヒロ | Fujii Toshihiro
Affiliation and department：
Job title：
Associate Professor
Research field (1)：
Particle, nuclear, cosmic-ray, and astrophysics - experiment
Research keywords (20)：
空気シャワー
, 天文学
, パルサー
, 超新星残骸
, 超新星爆発
, ダークマター
, ブラックホール
, 中性子星
, 起源
, ガンマ線
, ニュートリノ
, 大気蛍光
, 銀河団
, 活動銀河核
, ガンマ線バースト
, 異方性
, 化学組成
, スペクトル
, 極高エネルギー
, 宇宙線
Research theme for competitive and other funds (13)：
- 2023 - 2026 Ultra-precise Observation of Cosmic Ray Air Shower Particles Using Subaru Telescope
- 2021 - 2026 Pioneering ultrahigh-energy cosmic ray astronomy using new air-fluorescence telescope array
- 2021 - 2025 Hunting solar axions with new pixel-type silicon detector under extremely low background environment
- 2020 - 2025 Multimesseger Study of Heavy Dark Matter
- 2019 - 2024 Search for Ultra-High Energy Cosmic Ray origin using the extended Telescope Array experiment
- 2018 - 2022 A study of systematic uncertainties on ultrahigh-energy cosmic ray observation using new fluorescence detector
- 2019 - 2021 An energy calibration of ultrahigh-energy cosmic ray observatories using new air-fluorescence telescopes
- 2016 - 2019 Observation of Ultra-High Energy Cosmic Rays and Measurement of Their Mass Composition with a New-Type Fluorescence Detector
- 2015 - 2019 An establishment of new technique to observe ultra-high energy cosmic rays with new-type fluorescence telescopes
- 2016 - 2018 Ultrahigh-energy cosmic ray observation by the automatic system with a single pixel fluorescence telescope
- 2013 - 2015 Development of a simple fluorescence telescope for a large scale telescope array to observe cosmic rays
- 2011 - 2012 テレスコープアレイ大気蛍光望遠鏡による極高エネルギー宇宙線スペクトルの測定
- 2009 - 2011 Study for the molecular bremsstrahlung from extensive air showers
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Papers (161)：
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R. U. Abbasi, Y. Abe, T. Abu-Zayyad, M. Allen, Y. Arai, R. Arimura, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, et al. Isotropy of Cosmic Rays beyond 1020 eV Favors Their Heavy Mass Composition. Physical Review Letters. 2024. 133. 4
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R. U. Abbasi, Y. Abe, T. Abu-Zayyad, M. Allen, Y. Arai, R. Arimura, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, et al. Mass composition of ultrahigh energy cosmic rays from distribution of their arrival directions with the Telescope Array. Physical Review D. 2024. 110. 2
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Toshihiro Fujii. The past and future 20-years endeavor for discovering origins of ultra-high energy cosmic rays -- Rapporteur's summary of cosmic ray indirect --. 2024
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R. U. Abbasi, M. G. Allen, R. Arimura, J. W. Belz, D. R. Bergman, S. A. Blake, B. K. Shin, I. J. Buckland, B. G. Cheon, T. Fujii, et al. An extremely energetic cosmic ray observed by a surface detector array. Science. 2023. 382. 6673. 903-907
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Satoshi Kawanomoto, Michitaro Koike, Fraser Bradfield, Toshihiro Fujii, Yutaka Komiyama, Satoshi Miyazaki, Tomoki Morokuma, Hitoshi Murayama, Masamune Oguri, Tsuyoshi Terai. Observing Cosmic-Ray Extensive Air Showers with a Silicon Imaging Detector. 2023
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Lectures and oral presentations (40)：
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The 100-year endeavor for detecting the highest energy cosmic rays
(TeV Particle Astrophysics 2024 2024)
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Searching for the Universe's most energetic particles
(20th Anniversary of the KICP Celebration 2024)
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“Inverse” multi-messenger observation with Subaru Hyper Supreme-Cam
(Annual Meeting on Multi messenger Astrophysics 2023)
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Rapporteur Talk of Cosmic Ray Indirect (CRI): The past and future 20-years endeavor for discovering origins of ultra-high energy cosmic rays
(The 38th International Cosmic Ray Conference 2023 2023)
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Updates on Cosmic Ray Extensive Air Showers detected with Subaru Hyper Supreme-Cam
(FY2022 Symposium "What is dark matter? - Comprehensive study of the huge discovery space in dark matter" 2023)
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Professional career (1)：
Awards (6)：
Association Membership(s) (2)：
THE ASTRONOMICAL SOCIETY OF JAPAN
, THE PHYSICAL SOCIETY OF JAPAN
