Rchr
J-GLOBAL ID：202101011647013100
Update date: Jul. 29, 2024
Okita Hidefumi
オキタ ヒデフミ | Okita Hidefumi
Affiliation and department：
Research field (1)：
Quantum beam science
Research theme for competitive and other funds (1)：
- 2024 - 2027 次世代大強度陽子シンクロトロンの実現に向けた25kW広帯域半導体増幅器の開発研究
Papers (16)：
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P.K. Saha, H. Harada, Y. Shobuda, F. Tamura, H. Okita, K. Okabe, T. Nakanoya, S. Hatakeyama, K. Moriya, T. Takayanagi, et al. High Intensity Beam Operation of J-PARC RCS With Minimum Beam Loss. Journal of Physics: Conference Series. 2024. 2687. 5. 052020-052020
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Okita Hidefumi, Tamura Fumihiko, Yamamoto Masanobu, Nomura Masahiro, Shimada Taihei, Saha P. K., Yoshii Masahito*, Omori Chihiro*, Sugiyama Yasuyuki*, Hasegawa Katsushi*, et al. Improvement of the longitudinal phase space tomography at the J-PARC synchrotrons. Journal of Physics; Conference Series. 2024. 2687. 7. 072005\_1-072005\_7
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Yamamoto Masanobu, Nomura Masahiro, Okita Hidefumi, Shimada Taihei, Tamura Fumihiko, Hara Keigo*, Hasegawa Katsushi*, Omori Chihiro*, Sugiyama Yasuyuki*, Yoshii Masahito*. Development of a single-ended magnetic alloy loaded cavity in the Japan Proton Accelerator Research Complex rapid cycling synchrotron. Progress of Theoretical and Experimental Physics (Internet). 2023. 2023. 7. 073G01\_1-073G01\_16
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Saha P. K., Okabe Kota, Nakanoya Takamitsu, Shobuda Yoshihiro, Harada Hiroyuki, Tamura Fumihiko, Okita Hidefumi, Yoshimoto Masahiro, Hotchi Hideaki*. Recent results of beam loss mitigation and extremely low beam loss operation of J-PARC RCS. Journal of Physics; Conference Series. 2023. 2420. 012040\_1-012040\_7
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H. Okita, F. Tamura, M. Yamamoto, M. Nomura, T. Shimada, M. Yoshii, C. Ohmori, Y. Sugiyama, K. Hasegawa, K. Hara, et al. Design Studies on a High-Power Wide-Band RF Combiner for Consolidation of the Driver Amplifier of the J-PARC RCS. Journal of Physics; Conference Series. 2023. 2420. 1. 012092\_1-012092\_6
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MISC (16)：
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Tamura Fumihiko, Okita Hidefumi, Hotchi Hideaki*, Saha P. K., Meigo Shinichiro, Yoshii Masahito*, Omori Chihiro*, Yamamoto Masanobu, Seiya Kiyomi*, Sugiyama Yasuyuki*, et al. Consideration of high intensity single bunch acceleration in J-PARC RCS. Proceedings of 20th Annual Meeting of Particle Accelerator Society of Japan (Internet). 2023. 64-68
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Yamamoto Kazami, Moriya Katsuhiro, Okita Hidefumi, Yamada Ippei, Chimura Motoki, Saha P. K., Shobuda Yoshihiro, Tamura Fumihiko, Yamamoto Masanobu, Morishita Takatoshi, et al. Beyond 1-MW scenario in J-PARC rapid-cycling synchrotron. Proceedings of 68th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB2023) (Internet). 2023. 270-273
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Saha P. K., Harada Hiroyuki, Okabe Kota, Okita Hidefumi, Shobuda Yoshihiro, Tamura Fumihiko, Yamamoto Kazami, Yoshimoto Masahiro, Hotchi Hideaki*. 1-MW beam operation at J-PARC RCS with minimum beam loss. Proceedings of 68th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB2023) (Internet). 2023. 147-152
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Tamura Fumihiko, Yamamoto Masanobu, Yoshii Masahito*, Omori Chihiro*, Sugiyama Yasuyuki*, Okita Hidefumi, Seiya Kiyomi*, Nomura Masahiro, Shimada Taihei, Hasegawa Katsushi*, et al. RF systems of J-PARC proton synchrotrons for high-intensity longitudinal beam optimization and handling. Proceedings of 68th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB2023) (Internet). 2023. 305-311
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Saha P. K., Okabe Kota, Nakanoya Takamitsu, Yoshimoto Masahiro, Shobuda Yoshihiro, Harada Hiroyuki, Tamura Fumihiko, Okita Hidefumi, Hatakeyama Shuichiro, Moriya Katsuhiro, et al. Achievement of low beam loss at high-intensity operation of J-PARC 3 GeV RCS. Proceedings of 19th Annual Meeting of Particle Accelerator Society of Japan (Internet). 2023. 1-5
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Lectures and oral presentations (1)：
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Benchmarking longitudinal beam simulation code BLonD for J-PARC RCS and consideration of a new acceleration voltage pattern
(2020年度ビーム物理研究会、若手の会)
Education (3)：
- 2017 - 2020 京都大学大学院 工学研究科 原子核工学専攻
- 2014 - 2016 九州大学大学院 工学府 エネルギー量子工学専攻
- 2010 - 2014 九州大学 工学部 エネルギー科学科
Awards (2)：
- 2020/12 - ビーム物理研究会 ビーム物理研究会若手発表賞 BLonDを用いたJ-PARC RCSの縦方向ビームシミュレーションのベンチマークと新たな加速パターンの検討
- 2020/09 - 日本加速器学会 日本加速器学会 年会賞 縦方向計算コードBLonDのJ-PARC RCS への適用に向けたベンチマーク
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