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

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Papers (168)：

R. U. Abbasi, N. Kieu, P. R. Krehbiel, J. W. Belz, M. M.F. Saba, W. Rison, M. A. Stanley, D. Rodeheffer, D. Mazzucco, T. Knight, et al. Intermediate Fluence Downward Terrestrial Gamma Ray Flashes as Observed by the Telescope Array Surface Detector. Journal of Geophysical Research: Atmospheres. 2024. 129. 24
N. Kieu, R. U. Abbasi, M. M. F. Saba, J. W. Belz, P. R. Krehbiel, M. A. Stanley, F. J. Gordillo-Vazquez, M. Passas-Varo, T. Warner, W. Rison, et al. First Time-Resolved Leader Spectra Associated With a Downward Terrestrial Gamma-Ray Flash Detected at the Telescope Array Surface Detector. Journal of Geophysical Research: Atmospheres. 2024. 129. 24
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
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
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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Lectures and oral presentations (42)：

Statistical methods for observing ultrahigh-energy cosmic rays
(Workshop: Data Oriented Astronomy 2024)
Visualizing high energy particles of extensive air showers with Subaru Hyper Supreme-Cam
(Workshop on Cosmic Indicators of Dark Matter 2024 2024)
The 100-year endeavor for detecting the highest energy cosmic rays
(TeV Particle Astrophysics 2024 2024)
Searching for the Universe's most energetic particles
(20th Anniversary of the KICP Celebration 2024)
“Inverse” multi-messenger observation with Subaru Hyper Supreme-Cam
(Annual Meeting on Multi messenger Astrophysics 2023)

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Professional career (1)：

博士(理学)

Awards (7)：

2024/11 - 公立大学法人大阪理事長表彰
2024/09 - The 42nd Osaka Science Prize Observational research of ultra-high-energy cosmic rays
2024/07 - 大阪公立大学南部陽一郎記念若手奨励賞
2024/07 - 大阪公立大学若手研究者奨励賞基礎科学部門
2018/03 - 2018 年宇宙線研究者会議(CRC)宇宙線物理学奨励賞

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Association Membership(s) (2)：

THE ASTRONOMICAL SOCIETY OF JAPAN , THE PHYSICAL SOCIETY OF JAPAN

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