Rchr
J-GLOBAL ID：202101011647013100
Update date: Nov. 26, 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 (17)：
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Yasuyuki Sugiyama, Fumihiko Tamura, Masahito Yoshii, Chihiro Ohmori, Masanobu Yamamoto, Keigo Hara, Katsushi Hasegawa, Masahiro Nomura, Taihei Shimada, Hidefumi Okita, et al. Estimation of the Anode Power Supply Current of the J-PARC MR RF system for 1.36s cycle operation. Journal of Physics: Conference Series. 2024
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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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MISC (22)：
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Okita Hidefumi, Tamura Fumihiko, Yamamoto Masanobu, Miyakoshi Ryosuke*, Nomura Masahiro, Shimada Taihei, Yoshii Masahito*, Omori Chihiro*, Seiya Kiyomi*, Hara Keigo*, et al. Circuit simulation model for the RF system of J-PARC RCS. Proceedings of 21st Annual Meeting of Particle Accelerator Society of Japan (Internet). 2024. 765-769
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Nomura Masahiro, Shimada Taihei, Tamura Fumihiko, Okita Hidefumi, Miyakoshi Ryosuke*, Seiya Kiyomi*, Yoshii Masahito*, Omori Chihiro*, Hara Keigo*, Hasegawa Katsushi*, et al. Applying a deep generative model to mountain plot images. Proceedings of 21st Annual Meeting of Particle Accelerator Society of Japan (Internet). 2024. 85-88
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Tamura Fumihiko, Sugiyama Yasuyuki*, Okita Hidefumi, Yamamoto Masanobu, Yoshii Masahito*, Omori Chihiro*, Seiya Kiyomi*, Nomura Masahiro, Shimada Taihei, Hasegawa Katsushi*, et al. Mitigation of cavity voltage jump due to high intensity beam extraction in J-PARC RCS. Proceedings of 21st Annual Meeting of Particle Accelerator Society of Japan (Internet). 2024. 774-776
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Adachi Kyosuke, Tamura Fumihiko, Nomura Masahiro, Shimada Taihei, Miyakoshi Ryosuke*, Okita Hidefumi, Yoshii Masahito*, Omori Chihiro*, Seiya Kiyomi*, Hara Keigo*, et al. Benchmarking GPU backend of longitudinal simulation code BLonD. Proceedings of 21st Annual Meeting of Particle Accelerator Society of Japan (Internet). 2024. 543-546
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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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Lectures and oral presentations (2)：
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RF (amplifier, LLRF etc) at J-PARC
(CERN \& J-PARC/KEK high power beam workshop)
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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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