ホーム > 吉川 正志/ Yoshikawa, Masayuki

吉川 正志

Yoshikawa, Masayuki

数理物質系 , 准教授
Institute of Pure and Applied Sciences , Associate Professor

http://www.prc.tsukuba.ac.jp/~yosikawa/index.html

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。
  1. 1. Coexistence of H-MAR and N-MAR in divertor simulation experimental module of GAMMA 10/PDX Okamoto, T.; Ezumi, N.; Takahashi, S.; Perillo, R. (+7 著者) Sakamoto, M.
      NUCLEAR MATERIALS AND ENERGY 41: (2024) Semantic Scholar
  2. 2. Behavior of detached simulation plasma by suddenly changed particle flux in GAMMA 10/PDX Masayuki Yoshikawa; Junko Kohagura; Naomichi Ezumi; Tsuyoshi Kariya (+16 著者) Hennie V. D. Meiden
      AIP Advances 14: (2024) Semantic Scholar
  3. 3. Study of the pellet ablation cloud using the tomography technique for two-directional simultaneous photography in GAMMA 10/PDX Yoshikawa, M.; Nakashima, Y.; Kohagura, J.; Shima, Y. (+3 著者) Sakamoto, M.
      JOURNAL OF PLASMA PHYSICS 90: (2024) Semantic Scholar
  4. 4. Time Evolution of 2D Emission Profiles of Detached Plasma during Hydrogen and Impurities Combined Gas Seeding in GAMMA10/PDX EZUMI, N; GAMO, H; TAKAHASHI, S; OKAMOTO, T (+8 著者) PERILLO, R
      Proc. 29th IAEA Fusion Energy Conference (FEC 2023) IAEA-CN-316/1658 (2023)
  5. 5. EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE YOSHIKAWA, Masayuki; Kohagura, J; Ezumi, N; Kariya, T (+9 著者) Meiden, H. v
      Proc. 29th IAEA Fusion Energy Conference (FEC2023) IAEA-CN-316/1674 279 (2023)
  6. 6. High-Energy Ion Generation During Difference-Frequency ICRF Wave Heating in GAMMA 10/PDX Sugimoto, Y; Hirata, M; Nakashima, Y; Ichimura, M (+9 著者) Sakamoto, M
      PLASMA AND FUSION RESEARCH 18: 2402084 (2023) Semantic Scholar
  7. 7. Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX M. Yoshikawa; J. Kohagura; Y. Shima; Y. Nakashima (+8 著者) M. Sakamoto
      Journal of Instrumentation 18: C10006 (2023) Semantic Scholar
  8. 8. Measurement of Radiated Power using an InfraRed Imaging Video Bolometer system in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma SHIGEMATSU, Naoki; Ezumi, Naomichi; Mukai, Kiyofumi; SETO, Takumi (+10 著者) SAKAMOTO, Mizuki
      Plasma and Fusion Research 18: 2402031 (2023) Semantic Scholar
  9. 9. Study of the intermittent plasma structure around the divertor simulation experimental module in GAMMA 10/PDX Tanaka, H; Ezumi, N; Sugiyama, T; Gamo, H (+6 著者) Sakamo, M
      PHYSICS OF PLASMAS 30: 032501 (2023) Semantic Scholar
  10. 10. Ku-band multichannel frequency comb Doppler reflectometer on the GAMMA 10/potential control and divertor simulating experiment (PDX) tandem mirror KOHAGURA, Junko; Tokuzawa, T; Yoshikawa, Masayuki; SHIMA, Yoriko (+3 著者) Katoh, Hayato
      REVIEW OF SCIENTIFIC INSTRUMENTS 93: 123507 (2022) Semantic Scholar
  11. 11. First Observation of Pellet Ablation Clouds Using Two-Directional Simultaneous Photography in GAMMA 10/PDX Masayuki YOSHIKAWA; Yousuke NAKASHIMA; Junko KOHAGURA; Yoriko SHIMA (+5 著者) Mizuki SAKAMOTO
      Plasma and Fusion Research 17: 1202093 (2022) Semantic Scholar
  12. 12. Effects from the Target Plate Geometry on Fluctuations of Helium Plasma in the Linear Divertor Simulator Magnum-PSI Yoshikawa, Masayuki; TANAKA, Hirohiko; HAYASHI, Yuki; KAJITA, Shin (+9 著者) SAKAMOTO, Mizuki
      PLASMA AND FUSION RESEARCH 17: 1402100 (2022) Semantic Scholar
  13. 13. Hydrogen recycling near fuzz tungsten surfaces under high-vacuum background condition Hwangbo, D; Sugiyama, T; Sakamoto, M; Gamo, H (+9 著者) Numakura, T
      25th International Conference on Plasma Surface Interaction in Fusion Devices (PSI-25) (2022)
  14. 14. Study of detached plasma profile in the divertor simulation experimental module of tandem mirror GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J; Ezumi, N; Iijima, T (+18 著者) H. J. van de
      AIP Advances 11: 125231-1 (2021) Semantic Scholar
  15. 15. Development of a Fast Visible Light Measurement System for the Study of Ion Cyclotron Range of Frequency Waves in GAMMA 10/PDX Plasmas Ejiri, Akira; Hirata, Mafumi; Ichimura, Makoto; Yoshikawa, Masayuki (+1 著者) Kamio, Shuji
      PLASMA AND FUSION RESEARCH 16: (2021) Semantic Scholar
  16. 16. Plasma Detachment in GAMMA 10/PDX Tandem Mirror: Role of Molecule Gases and Target Configuration Ezumi, N; Sugiyama, T; Gamo, H; Takami, Y (+17 著者) Masuzaki, S
      Proc. 28th IAEA Fusion Energy Conference (FEC2020) 17679 (2021)
  17. 17. Measurement of axial phase difference of density fluctuations owing to spontaneously excited waves by using microwave reflectometer on GAMMA 10/PDX Sekine, R; Hirata, M; Ikezoe, R; Jang, S (+14 著者) Sakamoto, M
      REVIEW OF SCIENTIFIC INSTRUMENTS 92: (2021) Semantic Scholar
  18. 18. Study of detached plasma profile in the divertor simulation experimental module of GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J; Ezumi, N; Iijima, T (+18 著者) H. J. van de
      Proc. 28th IAEA Fusion Energy Conference (FEC2020) 17678 (2021)
  19. 19. Observation of ion heating using the difference frequency of two ICRF waves in GAMMA 10/PDX Kayano, H; Jang, S; Hirata, M; Ezumi, N (+10 著者) Sakamoto, M
      Plasma and Fusion Research 16: 2402045-1 (2021) Semantic Scholar
  20. 20. Improvement in multipass Thomson scattering system comprising laser amplification system developed in GAMMA 10/PDX Yoshikawa, M; Mouri, T; Nakanishi, H; Kohagura, J (+9 著者) Kenmochi, N
      Rev. Sci,Instrum. 92: 033515-1 (2021) Semantic Scholar
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書籍等出版物情報はまだありません。

  1. 1. Observation of nitrogen assisted/associated recombination in divertor relevant hydrogen plasma of GAMMA 10/PDX Ezumi, Naomichi; Gamo, H; Sugiyama, T; Kondo, A; Shigematsu, N; Seto, T; Okamoto, T; Takanashi, K; Takahashi, S; Togo, S; Hirata, Mafumi; Kohagura, Junko; Yoshikawa, Masayuki; Nakashima, Yousuke; Sakamoto, Mizuki; Masuzaki, S
    ISPlasma2022 / IC-PLANTS2022 2022年3月6日
  2. 2. 接触・非接触遷移にともなうダイバータ模擬プラズマの原子分子過程の研究 吉川, 正志
    核融合科学研究所一般共同研究「原子分子過程研究の最先端と先進的プラズマ分光計測」「原子分子データ応用フォーラムセミナー」合同研究会 2021年12月22日
  3. 3. GAMMA 10/PDXにおけるV字ターゲット角度による​ダイバータ模擬プラズマへの影響 杉山吏作; 江角直道; 蒲生宙樹; 近藤綾音; 重松直希; 瀬戸拓実; 平田真史; 小波藏純子; 吉川正志; 中嶋洋輔; 皇甫度均; 東郷訓; 坂本瑞樹; 桑原竜弥; 田中宏彦; 大野哲靖; 澤田圭司; 利根川昭; 増崎貴; 河村学思
    第38回プラズマ・核融合学会年会 2021年11月22日
  4. 4. GAMMA 10/PDXダイバータ模擬実験における水素ガスと窒素及びネオンガスとの重畳入射が非接触プラズマ形成へ及ぼす影響 蒲生宙樹; 江角直道; 杉山吏作; 近藤綾音; 重松直希; 瀬戸拓実; 東郷訓; 平田真史; 小波藏純子; 吉川正志; 皇甫度均; 中嶋洋輔; 坂本瑞樹; Perillo, R; 桑原竜弥; 田中宏彦; 大野哲靖; 澤田圭司; 利根川昭; 増崎貴
    第38回プラズマ・核融合学会年会 2021年11月22日
  5. 5. GAMMA 10/PDXにおける非接触プラズマ生成時の電子温度・密度計測 吉川, 正志; Kohagura, J; 中嶋洋輔; 江角直道; 南龍太郎; 坂本瑞樹; 安原亮; 山田一博; 舟場久芳; 釼持尚輝; 南貴司; 桑原大介; 中西博之; 中西博之; 嶋頼子; 竹田陽平; 林壮哉; 林壮哉
    第38回プラズマ・核融合学会年会 2021年11月22日
  6. 6. LHD外でLABCOMシステムを使ったデータ収集システムと運用の現状 吉川, 正志
    第38回プラズマ・核融合学会年会 2021年11月22日
  7. 7. Hydrogen recycling study using a high temperature target in GAMMA 10/PDX tandem mirror Sakamoto, Mizuki; Miyake, Y; Gamo, H; Sugiyama, T; Kondo, A; Shigematsu, N; Seto, T; Nojiri, K; Nakashima, Yousuke; Hwangbo, D; Togo, S; Kohagura, Junko; Hirata, Mafumi; Ezumi, Naomichi; Yoshikawa, Masayuki
    5th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2021) 2021年9月26日 招待有り
  8. 8. Recent results of GAMMA 10/PDX and construction of a superconducting mirror machine Sakamoto, Mizuki; Kariya, Tsuyoshi; Yoshikawa, Masayuki; Ezumi, Naomichi; Minami, Ryutaro; Hirata, Mafumi; Kohagura, Junko; Numakura, T; Togo, S; Hwangbo, D; Katanuma, I; Nakashima, Yousuke; Imai, T; Ichimura, Makoto; Unterberg, B
    3rd International Workshop on Gas Dynamic Trap based Fusion Neutron Source (GDT-FNS) 2021年9月13日 招待有り
  9. 9. Extension of operation regimes for advanced heliotron plasmas using stochastic electrostatic acceleration Yoshikawa, Masayuki; Nakashima, Y; Kohagura, J; Okada, H; Kado, S; Zhang, P; Kobayashi, S; Luo, M; Takeda, Y; Matoike, R; Miyashita, A; Inoshita, K
    The 12th International Symposium of Advanced Energy Science 2021年9月7日
  10. 10. Present status of GAMMA 10/PDX and a new project of a superconducting mirror machine Sakamoto, Mizuki; Kariya, Tsuyoshi; Yoshikawa, Masayuki; Ezumi, Naomichi; Minami, Ryutaro; Hirata, Mafumi; Kohagura, Junko; Numakura, T; Togo, S; Hwangbo, D; Katanuma, I; Nakashima, Yousuke; Imai, T; Ichimura, Makoto; Unterberg, B
    International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日 招待有り
  11. 11. Divertor simulation experiment in the open magnetic field of GAMMA 10/PDX: effect of nitrogen seeding on plasma detachment Ezumi, Naomichi; Gamo, H; Sugiyama, T; Kondo, A; Togo, S; Hirata, Mafumi; Kohagura, Junko; Yoshikawa, Masayuki; Nakashima, Yousuke; Sakamoto, Mizuki; Perillo, R; Ohno, N; Sawada, K; Masuzaki, S
    International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日
  12. 12. Fluctuation study and development of Thomson scattering system in the tandem mirror GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, Junko; Ezumi, Naomichi; Nakashima, Yousuke; Kariya, Tsuyoshi; Hirata, Mafumi; Minami, Ryutaro; Ichimura, Makoto; Sakamoto, Mizuki; Islam, Shahinul Md; Shima, Yoriko; Nakanishi, Hiroyuki; Yasuhara, Ryo; Yamada, Ichihiro; Funaba, Hisamichi; Kenmochi, Naoki; Minami, Takashi; Kuwahara, Daisuke; Maiden; Hennie Van der
    International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日 招待有り
  13. 13. Influence of Nitrogen and Neon on Plasma Detachment during Combined Seeding with Hydrogen on Divertor Simulation Experiment of GAMMA 10/PDX Ezumi, Naomichi; Gamo, H; Sugiyama, T; Kondo, A; Togo, S; Hirata, Mafumi; Kohagura, Junko; Yoshikawa, Masayuki; Nakashima, Yousuke; Sakamoto, Mizuki; Perillo, R; Ohno, N; Sawada, K; Kado, S; Masuzaki, S
    30th ITPA-DivSOL meeting 2021年6月28日
  14. 14. Pilot GAMMA PDX-SCにおけるプラズマ計測 吉川, 正志
    筑波大学プラズマ研究センターシンポジウム 2021年3月18日
  15. 15. Fast visible light measurements for the study of RF waves in plasma Ejiri, A; Hirata, M; Ichimura, M; Ikezoe, R; Kamio, S; Yoshikawa, M
    核融合エネルギーフォーラムプラズマ物理クラスター計測サブクラスター令和2年度第1回会合 2021年2月10日
  16. 16. Role of Molecular Processes and Target Configuration on Plasma Detachment in GAMMA 10/PDX Ezumi, Naomichi; Gamo, H; Sugiyama, T; Nojiri, K; Kondo, A; Hirata, M; Kohagura, J; Yoshikawa, M; Nakashima, Y; Sakamoto, M; Perillo, R; Guo, H.Y; Kuwabara, T; Tanaka, H; Ohno, N; Sawada, K; Kado, S; Tonegawa, A; Masuzaki, S
    24th International Conference on Plasma Surface Interaction in Fusion Devices (PSI-24) 2021年1月25日
  17. 17. First electron temperature measurements by the multi-pass Thomson scattering system with the laser amplification system in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J; Shima, Y; Nakanishi, H; Sakamoto, M; Minami, R; Ezumi, N; Nakashima, Y
    The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
  18. 18. A Ku-band Multichannel Doppler Reflectometer System on GAMMA 10/PDX”, The 23rd topical conference on High Temperature Plasma Diagnostics Kohagura, J; Masaki, S; Tokuzawa, T; Yoshikawa, M; Shima, Y; Nakanishi, H; Nakashima, Y; Sakamoto, M
    The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
  19. 19. Measurement of density-fluctuation structure owing to spontaneously excited waves by using microwave reflectometer system in the central cell on GAMMA 10/PDX Sekine, R; Hirata, M; Ikezoe, R; Jang, S; Kubota, Y; Kayano, H; Sugata, K; Aizawa, T; Noguchi, D; Kim, D; Sugimoto, Y; Matsuura, R; Yamazaki, H; Ichimura, M; Yoshikawa, M; Kohagura, J; Nakashima, Y; Ezumi, N; Sakamoto, M
    The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
  20. 20. GAMMA 10/PDX セントラル部での印加波動に起因するICRF差周波波動によるイオン加熱の計測 栢野, 大樹; 平田, 真史; 江角, 直道; 山崎, 響; ジャン, ソウォン; 菅田, 海里; 相澤, 拓実; 野口, 大地; KIM, DOYEON; 杉本, 勇大; 松浦, 礼奈; 吉川, 正志; 池添, 竜也; 市村, 真; 坂本, 瑞樹
    第37回 プラズマ・核融合学会 年会 2020年12月1日
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