Rchr
J-GLOBAL ID：201801020597691695
Update date: Nov. 12, 2024
Hiroyuki Sagawa
サガワ ヒロユキ | Hiroyuki Sagawa
Affiliation and department：
Research field (1)：
Particle, nuclear, cosmic-ray, and astrophysics - experiment
Research keywords (1)：
Astroparticle Physics, Highest Energy Cosmic Rays
Research theme for competitive and other funds (15)：
- 2019 - 2022 Search for the origin of the highest energy cosmic rays and the connection to multi-messenger astrophysics
- 2015 - 2019 Extended Telescope Array Experiment - Nearby Extreme Universe Elucidated by Highest-energy Cosmic Rays
- 2013 - 2016 極高エネルギー宇宙線用地表検出器の評価と多機能化に関する研究
- 2013 - 2016 Air shower detection using radio technique for the future huge ultra-high energy cosmic ray observatory
- 2012 - 2015 Observation lateral particle distribution airshower with JEM-EUSO prototype telescope
- 2009 - 2013 Extreme Phenomena in the Universe Explored by Highest Energy Cosmic Rays
- 2011 - 2012 Test of Radar Echo Detection using Electron Beam for Future Large Air Shower Observatory
- 2006 - 2007 Absolute calibration of air fluorescence telescopes to detect the highest energy cosmic rays by a compact electron accelerator
- 2001 - 2004 Mixing phenomenum in heavy meson system
- 2001 - 2004 Study of B-meson decays at the KEKB-Factory
- 2000 - 2000 純粋CsI結晶を使った速い信号の読出しによる電磁カロリメーターの研究
- 1998 - 2000 Study of CP violation in B-meson decays
- 1994 - 1996 Development of Endcap Electromagnetic Calorimete for B Factory
- 1990 - 1991 Study of Event Simulation at the B-Factory
- 1990 - 1990 Study of Scintillation Fiber Calorimeter for High Energy Particles
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Papers (279)：
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Jihyun Kim, Dmitri Ivanov, Kazumasa Kawata, Hiroyuki Sagawa, Gordon Thomson, R. U. Abbasi, T. Abu-Zayyad, M. Allen, Y. Arai, R. Arimura, et al. Hotspot Update, and a new Excess of Events on the Sky Seen by the Telescope Array Experiment. Proceedings of Science. 2022. 395
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R. U. Abbasi, M. Abe, T. Abu-Zayyad, M. Allen, Y. Arai, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, R. Cady, et al. The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode. The Astrophysical Journal. 2021. 909. 2. 178-1-178-17
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J. W. Belz, P. R. Krehbiel, J. Remington, M. A. Stanley, R. U. Abbasi, R. LeVon, W. Rison, D. Rodeheffer, T. Abu-Zayyad, M. Allen, et al. Observations of the Origin of Downward Terrestrial Gamma-Ray Flashes. Journal of Geophysical Research: Atmospheres. 2020. 125. 23. 1-26
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R. U. Abbasi, M. Abe, T. Abu-Zayyad, M. Allen, R. Azuma, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, R. Cady, et al. Measurement of the proton-air cross section with Telescope Array’s Black Rock Mesa and Long Ridge fluorescence detectors, and surface array in hybrid mode. Physical Review D. 2020. 102. 6. 062004-1-062004-13
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R. U. Abbasi, M. Abe, T. Abu-Zayyad, M. Allen, R. Azuma, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, R. Cady, et al. Evidence for a Supergalactic Structure of Magnetic Deflection Multiplets of Ultra-high-energy Cosmic Rays. The Astrophysical Journal. 2020. 899. 1. 86-1-86-13
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MISC (63)：
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H. Sagawa. Results of ultra-high-energy cosmic rays from the Telescope Array. JOURNAL OF INSTRUMENTATION. 2020. 15. 9
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Ogio Shoichi, Tsunesada Yoshiki, Sagawa Hiroyuki. Observations of Ultra-high Energy Cosmic Rays with Telescope Array Experiment-From the Discoveries of Indications to Detailed Observations-. RADIOISOTOPES. 2019. 68. 12. 843-856
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Corbin Covault, Toshihiro Fujii, Robert Halliday, Jeffrey Johnsen, Ryan Lorek, Toshiyuki Nonaka, Sean Quinn, Hiroyuki Sagawa, Takashi Sako, Fred Sarazin, et al. The Auger@TA Project: Phase II Progress and Plans. ULTRA HIGH ENERGY COSMIC RAYS 2018 (UHECR 2018). 2019. 210
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Keiichi Mase, Daisuke Ikeda, Aya Ishihara, Hiroyuki Sagawa, Tatsunobu Shibata, Masaki Fukushima, Tokonatsu Yamamoto, Shigeru Yoshida, Romain Gaior, Kael Hanson, et al. Observation of radio emissions from electron beams using an ice target. 8TH INTERNATIONAL CONFERENCE ON ACOUSTIC AND RADIO EEV NEUTRINO DETECTION ACTIVITIES (ARENA 2018). 2019. 216
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Fred Sarazin, Corbin Covault, Toshihiro Fujii, Robert Halliday, Jeffrey Johnsen, Ryan Lorek, Toshiyuki Nonaka, Sean Quinn, Hiroyuki Sagawa, Takashi Sako, et al. Overview of the Auger@TA project and preliminary results from Phase I. ULTRA HIGH ENERGY COSMIC RAYS 2018 (UHECR 2018). 2019. 210
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Lectures and oral presentations (80)：
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Highest-energy Cosmic-ray Observatory in Utah -Telescope Array
(UTokyoNY Event Symposium ”Exploring the Universe with Multi-Messengers”” 2022)
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Results of ultra-high energy cosmic rays from the Telescope Array
(Instrumentation for Colliding Beam Physics (INSTR-20) 2020)
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Ultra-high energy cosmic ray and global collaboration
(Mind Brain 2020 2020)
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The observation of Cosmic Rays from ground: status and perspectives
(Japanese and Italian Seminars on Cosmic Radiation and Interdisciplinary Space Science (JISCRISS) 2019)
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A New Window into Ultra-High-Energy Cosmic Rays
(GRDC symposium 2019)
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Work history (7)：
- 2023/04 - 現在 The University of Tokyo Institute for Cosmic Ray Research Senior Fellow
- 2016 - 2023/03 The University of Tokyo Institute for Cosmic Ray Research Professor
- 2020/04 - 2022/03 The University of Tokyo Institute for Cosmic Ray Research Vice Director
- 2012/04 - 2022/03 The University of Tokyo Akeno Observatory Observatory Director
- 2017/04 - 2018/03 The University of Tokyo
- 2004 - 2016 The University of Tokyo Institute for Cosmic Ray Research Associate Professor
- 1985 - 2004 High Energy Accelerator Research Organization Institute of Particle and Nuclear Studies Research Associate
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Committee career (13)：
- 2022/04 - 現在 UHECR Symposium 2022 International Advisory Committee
- 2019 - 現在 XVIIIth RENCONTRES DU VIETNAM THE GOLDEN UNIVERSE July 25-29, 2022, Quy Nhon, Vietnam Scientific Organization Committee
- 2021/09 - 2022/03 Symposium ”Exploring the Universe with Multi-messengers”” Planning&Organizing
- 2019 - 36th International Cosmic Ray Conference (ICRC2019) [The Astroparticle Physics Confernce] International Scientific Program Committee: Cosmic Ray Indirect (CRI) [member]
- 2018 - International Advisory Committee [member]
- 2011/12 - 2017/12 Telescope Array Collaboration Co-spokesperson
- 2014/04 - 2016/03 宇宙線研究者会議 (CRC) CRC実行委員
- 2016 - 2016 XLVI International Symposium on Multiparticle Dynamics (ISMD2016) International Advisory Committee member
- 2016 - 2016 International Conference on Ultra-High Energy Cosmic Rays (UHECR2016) Local Organization Committee (Chair); International Advisory Committee (member)
- 2014 - International Symposium for Ultra-High Energy Cosmic Rays (UHECR2014) International Advisory Committee [member]
- 2011/10 - 2012/09 日本物理学会 宇宙線・宇宙物理領域 領域運営委員
- 2010/12 - International Symposium on the Recent Progress of Ultra-high Energy Cosmic Ray Observation (UHECR2010) Local Organization Committee (Chair)
- 2000/04 - 2004/03 Japan Association of High Energy Physicists, JAHEP Editorial committee member
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Association Membership(s) (1)：
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