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吉川 正志はプラズマ・核融合研究を行っています。

TEL. 029-853-6230

〒305-8577 茨城県つくば市天王台1-1-1

新着情報・FAQPapers

主要論文

      
2023年度(R5年度)
M. Yoshikawa, J. Kohagura, Y. Shima, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, N. Kenmochi, T. Minami, H. van der Meiden, “Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX”, JINST 18 (2023) C10006-1-7.
2022年度(R4年度)
Masayuki YOSHIKAWA, Yousuke NAKASHIMA, Junko KOHAGURA, Yoriko SHIMA, Hiroyuki NAKANISHI, Youhei TAKEDA, Shinji KOBAYASHI, Ryutaro MINAMI, Naomichi EZUMI and Mizuki SAKAMOTO, “First Observation of Pellet Ablation Clouds Using Two-Directional Simultaneous Photography”, Plasma Fusion Res. 17 (2022)1202093.
Masayuki YOSHIKAWA, Hirohiko TANAKA, Yuki HAYASHI, Shin KAJITA, Hennie van der MEIDEN, Jordy VERNIMMEN, Thomas MORGAN, Junko KOHAGURA, Yoriko SHIMA, Satoshi TOGO, Naomichi EZUMI, Yousuke NAKASHIMA and Mizuki SAKAMOTO, “Effects from the Target Plate Geometry on Fluctuations of Helium Plasma in the Linear Divertor Simulator Magnum-PSI”, Plasma Fusion Res. 17 (2022)1402100.
2021年度(R3年度)
M. Yoshikawa, J. Kohagura, N. Ezumi, T. Iijima, K. Nojiri, A. Terakado, Y. Nakashima, T. Kariya, T. Numakura, M. Hirata, R. Minami, M. Sakamoto, M. Ichimura, M. S. Islam, Y. Shima, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, N. Kenmochi, D. Kuwahara, and H. J. van der Meiden, “Study of detached plasma profile in the divertor simulation experimental module of tandem mirror GAMMA 10/PDX”, AIP Advances, 11 (2021)125231-1-6.
2020年度(R2年度)
M. Yoshikawa, T. Mouri, H. Nakanishi, J. Kohagura, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, and N. Kenmochi, “First electron temperature and density measurements using the multi-pass Thomson scattering system with the laser amplification system in GAMMA 10/PDX”, JINST, 15 (2020) T08011-1-8.
M. Yoshikawa, T. Mouri, H. Nakanishi, J. Kohagura, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, and N. Kenmochi, “Improvement in multipass Thomson scattering system comprising laser amplification system developed in GAMMA 10/PDX”, Rev. Sci. Instrum. 92 (2021) 033515-1-5.       
2019年度(R1年度)
M. Yoshikawa, J. Kohagura, R. Ikezoe, M. Sakamoto, N. Ezumi, R. Minami, M. Hirata, A. Terakado, K. Nojiri, S. Jang, A. Tanaka, M. Ichimura, T. Imai and Y. Nakashima, “Suppression of flute-like fluctuation by potential formation in GAMMA 10/PDX”, Nuclear Fusion 59 (2019) 076031-1-7.
M. Yoshikawa, J. Kohagura,Y. Shima,H. Nakanishi, T. Mouri, S. Suto,K. Nojiri, A. Terakado, N. Ezumi,M. Sakamoto,Y. Nakashima, R. Minami, I. Yamada,R. Yasuhara,H. Funaba, T. Minami, N. Kenmochi,D. Kuwahara and H. Van der Meiden, “ First electron temperature and density measurements of D-module plasma in GAMMA 10/PDX using Thomson scattering and microwave interferometer systems”, JINST, 14 (2019) P06033-1-11.
M. Yoshikawa, H. v. d. Meiden, R. Al, J. Vernimmen, J. Kohagura, Y. Shima, M. Sakamoto, and Y. Nakashima, “Low frequency fluctuation study using a microwave interferometer and Hα line emission measurement systems in the Pilot-PSI device”, AIP Advances, 9 (2019) 085225-1-7.
2018年度(H30年度)
M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, and N. Kenmochi, “Development of a laser amplification system for the multi-pass Thomson scatteringsystem for GAMMA 10/PDX”, Rev. Sic. Instrum. 89, 10C102 (2018), pp. 1-4.
M. Yoshikawa, T. Mouri, J. Kohagura, Y. Shima, T. Yamasaki, S. Suto, H. Nakanishi, M. Sakamoto, Y. Nakashima, R. Minami, N. Ezumi, I. Yamada, R. Yasuhara, H. Funaba, T. Minami and N. Kenmochi, “YAG-Thomson Scattering System in GAMMA 10/PDX Central and End Cells”, Plasma and Fusion Research, 14 (2019) 2402002-1-6.
2017年度(H29年度)
M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami and N. Kenmochi, “Radial Profile Measurements of Electron Temperature and Density Using the Thomson Scattering System in GAMMA 10/PDX”, Plasma and Fusion Research, 13 (2018) 3402051-1-5.
2016年度(H28年度)
M. Yoshikawa, R. Yasuhara, K. Ohta, M. Chikatsu, Y. Shima, J. Kohagura, M. Sakamoto, Y. Nakashima, T. Imai, M. Ichimura, I. Yamada, H. Funaba, and T. Minami, “High time resolved electron temperature measurements by using the multi-pass Thomson scattering system in GAMMA 10/PDX”,  Rev. Sci. Instrum. 87, 11D617 (2016).
M. Yoshikawa, K. Ohta, M. Chikatsu, Y. Shima, J. Kohagura, R. Minami, M. Sakamoto, Y. Nakashima, M. Ichimura, T. Imai, R. Yasuhara, I. Yamada, H. Funaba, and T. Minami, “Status of GAMMA 10/PDX-Thomson scattering system”, AIP Conference Proceedings, 1771, 050004 (2016).
M. Yoshikawa, R. Ikezoe, K. Ohta, X. Wang, J. Kohagura, Y. Shima, M. Chikatsu, K. Ichimura, M. Sakamoto, M. Ichimura, T. Imai, R. Minami, K. Tsumura, and Y. Nakashima, "Direct observation of electron heating by electron Landau damping of Alfvén ion cyclotron waves with Thomson scattering system in the tandem mirror GAMMA 10/PDX ", Plasma and Fusion Research, 11, 2402051 (2016).
2015年度(H27年度)
M. Yoshikawa, X. Wang, M. Morishita, Y. Shima, M. Chikatsu, J. Kohagura, M. Sakamoto, R. Minami, M. Iso, Y. Nakashima, T. Imai, M. Ichimura, R. Yasuhara, I. Yamada, H. Funaba, and T. Minami, "Development of Thomson scattering System in GAMMA 10", Fusion Science and Technology, 68 (2015), pp. 99-104.
M. Yoshikawa, K. Ohta, X. Wang, M. Morishita, M. Chikatsu, Y. Shima, J. Kohagura, R. Yasuhara, M. Sakamoto, Y. Nakashima, T. Imai, M. Ichimura, I. Yamada, H. Funaba, K. Kawataha, and T. Minami, "Electron Temperature Measurements by the use of Multi-Pass Thomson Scattering System in GAMMA 10/PDX, JINST, 10 (2015) T08003.
M. Yoshikawa, K. Ohta, X. Wang, M. Chikatsu, J. Kohagura, Y. Shima,  M. Sakamoto, T. Imai, Y. Nakashima, R. Yasuhara, I. Yamada, H. Funaba, and T. Minami, "Radial Electron Temperature and Density Measurements Using Thomson Scattering System in GAMMA 10/PDX", JINST, 10 (2015) C11006.
M. Yoshikawa, H. V. D. Maiden, R. AL, K. Bystrov, J. Vernimmen, J. Kohagura, Y. Shima, X. Wang, M. Ichimura, M. Sakamoto, and Y. Nakashima, "Preliminary Measurements of Low Frequency Fluctuations by a Microwave Interferometer System and a Fast Camera in Pilot-PSI Device", PFR, 10 (2015) 1202088.

2023年度業績リスト

査読付き論文>

1.        Naoki SHIGEMATSU, Naomichi EZUMI, Kiyofumi MUKAI, Takumi SETO,Takuma OKAMOTO, Kosuke TAKANASHI, Satoshi TAKAHASHI, Reina MIYAUCHI, Satoshi TOGO, Mafumi HIRATA, Junko KOHAGURA, Masayuki YOSHIKAWA, Ryutaro MINAMI, Yousuke NAKASHIMA and Mizuki SAKAMOTO, “Measurement of Radiated Power Using an InfraRed Imaging Video Bolometer System in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma”, Plasma Fusion Res. 18 (2023)2402031.

2.        Yudai SUGIMOTO, Mafumi HIRATA, Yousuke NAKASHIMA, Makoto ICHIMURA, Doyeon KIM, Takaaki KOZAWA, Shunya ENDO, Ryo KOBAYASHI, Ryuya IKEZOE, Naomichi EZUMI, Satoshi TOGO, Masayuki YOSHIKAWA, Junko KOHAGURA, and Mizuki SAKAMOTO, “High-Energy Ion Generation During Difference-Frequency ICRF Wave Heating in GAMMA 10/PDX, Plasma and Fusion Research, 18 (2023)2402084-1-6.

3.        M. Yoshikawa, J. Kohagura, Y. Shima, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, N. Kenmochi, T. Minami, H. van der Meiden, “Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX”, JINST 18 (2023) C10006-1-7.

<国際学会>

1.        M. Yoshikawa, “Fluctuation study on the application of ECH in the tandem mirror GAMMA 10/PDX”, TAE colloquium, April 28, 2023 (Zoom).

2.        M. Yoshikawa, J. Kohagura, N. Ezumi, Y. Nakashima, R. Minami, M. Sakamoto, Y. Shima, R. Yasuhara, I. Yamada, H. Funaba, N. Kenmochi, T. Minami, S. Kobayashi, H. vd. Meiden, “Development of Plasma Diagnostics in GAMMA 10/PDX”, 2nd International Fusion and Plasma Conference & 13th International Conference on Open Magnetic Systems for Plasma Confinement, BPEX, Busan, KOREA, Aug. 21-25, 2023 (Invitede).

3.        M. Yoshikawa, J. Kohagura, Y. Shima, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, N. Kenmochi, T. Minami, H. van der Meiden, “Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX”, 20th International Symposium on Laser-Aided Plasma Diagnostics, Kyoto, Japan, 10–14 September 2023 (Poster).

4.        Y. Shima, S. Kobayashi, D. Kuwahara, H. v.d. Meiden, “EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE”, 29th IAEA Fusion Energy Conference (FEC2023), 16-21 Oct. 2023, London, United Kingdom (Poster).

5.        M. Yoshikawa, J. Kohagura, Y. Nakashima, Y. Shima, S. Kobayashi, R. Minami, N. Ezumi, and M. Sakamoto, “Effect of high-particle flux produced by pellet fueling in the core plasma to the divertor simulation module plasma in GAMMA 10/PDX”, 7th Asia-Pacific Conference on Plasma Physics, Nagoya, Japan, 12-17 Nov. 2023 (Oral).

6.        M. Yoshikawa, S. Kobayashi, Y. Nakashima, J. Kohagura, S. Kado, T. Fujita, R. Yamato, H. Tazuke, R. Fujita, M. Luo, P. Zhang, A. Miyashita, C. Wang, H. Kato, “High beta plasma formation in advanced heliotron configuration using stochastic acceleration”, The 14th International Symposium of Advanced Energy Science, Kyoto, Japan, Aug. 30-Sep. 1, 2023 (Poster, ZE2023B-37).

2022年度業績リスト

査読付き論文>

1.         Masayuki YOSHIKAWA, Yousuke NAKASHIMA, Junko KOHAGURA, Yoriko SHIMA, Hiroyuki NAKANISHI, Youhei TAKEDA, Shinji KOBAYASHI, Ryutaro MINAMI, Naomichi EZUMI and Mizuki SAKAMOTO, “First Observation of Pellet Ablation Clouds Using Two-Directional Simultaneous Photography”, Plasma Fusion Res. 17 (2022)1202093.

2.         Masayuki YOSHIKAWA, Hirohiko TANAKA, Yuki HAYASHI, Shin KAJITA, Hennie van der MEIDEN, Jordy VERNIMMEN, Thomas MORGAN, Junko KOHAGURA,Yoriko SHIMA, Satoshi TOGO, Naomichi EZUMI, Yousuke NAKASHIMA and Mizuki SAKAMOTO, “Effects from the Target Plate Geometry on Fluctuations of Helium Plasma in the Linear Divertor Simulator Magnum-PSI, Plasma Fusion Res. 17 (2022)1402100

3.         J. Kohagura, T. Tokuzawa, M. Yoshikawa, Y. Shima, H. Nakanishi, Y. Nakashima; M. Sakamoto, H. Katoh, “Ku-band multichannel frequency comb Doppler reflectometer on the GAMMA 10/potential control and divertor simulating experiment (PDX) tandem mirror”, Rev. Sci. Instrum. 93 (2022) 123507. Doi: 10.1063/5.0101893

4.         H. Tanaka, N. Ezumi, T. Sugiyama, H. Gamo, N. Shigematsu, M. Yoshikawa, J. Kohagura, M. Hirata, S. Togo, N. Ohno, and M. Sakamo, “Study of the intermittent plasma structure around the divertor simulation experimental module in GAMMA 10/PDX”, Phys. Plasmas 30, 032501 (2023); doi: 10.1063/5.01

<国際学会>

1. J. Kohagura, T. Tokuzawa, M. Yoshikawa, Y. Shima, H. Nakanishi, Y. Nakashima, and M. Sakamoto," Ku-band multichannel frequency comb Doppler reflectometer on the GAMMA 10/PDX tandem mirror", 4th Topical Conference on High-Temperature Plasma Diagnostics (HTPD2022),May 15-19, 2022 (Virtual, Poster).

2.M. Yoshikawa, S. Kobayashi, Y. Nakashima, J. Kohagura, S. Kado, M. Luo, P. Zhang, A. Miyashita, C. Wang, R. Ito, H. Zhao, S. Hayashi, M. Yamanashi, “Extension of operation regimes for advanced heliotron plasmas using stochastic electrostatic acceleration”, The 13th International Symposium of Advanced Energy Science, Sep. 5-7, 2022 (Hybrid, Poster, ZE2022B-06).

3. S. Takahashi, N. Ezumi, T. Tamura, T. Okamoto, N. Shigematsu, K. Takanashi, T. Seto, S. Togo, M. Hirata, J. Kohagura, M. Yoshikawa, Y. Nakashima, M. Sakamoto, “Comparison of emission spatio-temporal distribution related to N-MAR based on high speed camera observation in GAMMA 10/PDX divertor simulated plasmas”, The 31th International Toki Conference on Plasma and Fusion Research (ITC31), Nov. 8-11, 2022 (Posetr).

4.    Naoki SHIGEMATSU, Naomichi EZUMI, Kiyofumi Mukai 1,2) , Takumi SETO, Takuma OKAMOTO, Kosuke TAKANASHI, Satoshi TAKAHASHI, Reina MIYAUCHI, Satoshi TOGO, Mafumi HIRATA, Junko KOHAGURA, Masayuki YOSHIKAWA, Ryutaro MINAMI, Yousuke NAKASHIMA and Mizuki SAKAMOTO, “Measurement of Radiated Power with an InfraRed Imaging Video Bolometer System in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma”, The 31th International Toki Conference on Plasma and Fusion Research (ITC31), Nov. 8-11, 2022 (Posetr).

2021年度業績リスト

査読付き論文>

1.     M. Yoshikawa, J. Kohagura, N. Ezumi, T. Iijima, K. Nojiri, A. Terakado, Y. Nakashima, T. Kariya, T. Numakura, M. Hirata, R. Minami, M. Sakamoto, M. Ichimura, M. S. Islam, Y. Shima, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, N. Kenmochi, D. Kuwahara, and H. J. van der Meiden, “Study of detached plasma profile in the divertor simulation experimental module of tandem mirror GAMMA 10/PDX”, AIP Advances, 11 (2021) 125231-1-6.

2.     Akira EJIRI, Mafumi HIRATA, Makoto ICHIMURA, Masayuki YOSHIKAWA, Ryuya IKEZOE and Shuji KAMIO, “Development of a Fast Visible Light Measurement System for the Study of Ion Cyclotron Range of FrequencyWaves in GAMMA 10/PDX Plasmas”, Plasma Fusion Res. 16, (2021)1402096-1-7.

3.     R. Sekine, M. Hirata, R. Ikezoe, S. Jang, Y. Kubota, H. Kayano, K. Sugata, T. Aizawa, D. Noguchi, D. Kim, Y. Sugimoto, R. Matsuura, H. Yamazaki, M. Ichimura, M. Yoshikawa, J. Kohagura, Y. Nakashima, N. Ezumi, and M. Sakamoto, “Measurement of axial phase difference of density fluctuations owing to spontaneously excited waves by using microwave reflectometer on GAMMA 10/PDX”, Rev. Sci. Instrum. 92, (2021) 053506-1-4.

<国際学会>

1.     M. Yoshikawa, J. Kohagura, N. Ezumi, T. Iijima, K. Nojiri, A. Terakado, Y. Nakashima, T. Kariya, T. Numakura, M. Hirata, R. Minami, M. Sakamoto, M. Ichimura, M.S. Islam, Y. Shima, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, N. Kenmochi, D. Kuwahara and H.V.D. Meiden, “Study of detached plasma profile in the divertor simulation experimental module of Gamma 10/PDX”, 28th IAEA Fusion Energy Conference (FEC2020), Nice, France, 10-15 May, 2021, (Poster, 691).

2.     Masayuki Yoshikawa, Junko Kohagura, Naomichi Ezumi, Yousuke Nakashima, Tsuyoshi Kariya, Mafumi Hirata, Ryutaro Minami, Makoto Ichimura, Mizuki Sakamoto, Shahinul Md. Islam, Yoriko Shima, Hiroyuki Nakanishi, Ryo Yasuhara, Ichihiro Yamada, Hisamichi Funaba, Naoki Kenmochi, Takashi Minami, Daisuke Kuwahara, Hennie Van der Maiden, “Fluctuation study and development of Thomson scattering system in the tandem mirror GAMMA 10/PDX”, International Mini-Workshop on Open Magnetic Systems for Plasma Confinement, Aug. 24-25, 2021 (Virtual, Invited Review Lecture).

3.     M. Yoshikawa, S. Kobayashi, Y. Nakashima, J. Kohagura, H. Okada, S. Kado, M. Luo, Y. Takeda, P. Zhang, R. Matoike, A. Miyashita, R. Fukushima, K. Inoshita, “Extension of operation regimes for advanced heliotron plasmas using stochastic electrostatic acceleration”, The 12th International Symposium of Advanced Energy Science, Sep. 7-8, 2021 (Poster, ZE2021B-35).

2020年度業績リスト

査読付き論文>

1.     T. Yamasaki, M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakanishi, S. Suto, T. Mouri, M. Sakamoto, and Y. Nakashima, “Two-dimensional Ha emission measurements using the multi-channel Ha array system in GAMMA 10/PDX”, PFR, 15 (2020) 1401035-1-4.

2.     M. Yoshikawa, T. Mouri, H. Nakanishi, J. Kohagura, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, and N. Kenmochi, “First electron temperature and density measurements using the multi-pass Thomson scattering system with the laser amplification system in GAMMA 10/PDX”, JINST, 15 (2020) T08011-1-8.

3.     Md. S. Islam, Y. Nakashima, T. Iijima, K. Nojiri, N. Ezumi, M. Yoshikawa, T. Kariya, R. Minami, M. Hirata, K. Hoshino, A. Hatayama, H. Hasegwa, S. Ishiguro, H. Matsuura, and M. Sakamoto, “Study of the transient behavior of detached plasma during Xe gas injection into the D-module of GAMMA 10/PDX”, PFR, 15 (2020)1402074-1-8.

4.     H. Tanaka, Y. Hayashi, S. Kajita, H. J. van der Meiden, M. Yoshikawa, J. W. M. Vernimmen, J. Scholten, I. Classen, T. W. Morgan, and N. Ohno, “Cross-field transport in detached helium plasmas in Magnum-PSI”, Plasma Phys. Control. Fusion, 62 (2020) 115021-1-14.

5.     M. Yoshikawa, T. Mouri, H. Nakanishi, J. Kohagura, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, and N. Kenmochi, “Improvement in multipass Thomson scattering system comprising laser amplification system developed in GAMMA 10/PDX”, Rev. Sci. Instrum. 92 (2021) 033515-1-5.

<国際学会>

1.      M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakanishi, M. Sakamoto, R. Minami, N. Ezumi, Y. Nakashima, R. Yasuhara, I.Yamada, H. Funaba, T. Minami, N. Kenmochi “First electron temperature measurements by the multi-pass Thomson scattering system with the laser amplification system in GAMMA 10/PDX”, The 23rd topical conference on High Temperature Plasma Diagnostics, Online(YouTube), Dec. 14 – 17, 2020, PB-093 (Poster).

2.      J. Kohagura, S. Masaki, T. Tokuzawa, M. Yoshikawa, Y. Shima, H. Nakanishi, Y. Nakashima, M. Sakamoto, “A Ku-band Multichannel Doppler Reflectometer System on GAMMA 10/PDX”, The 23rd topical conference on High Temperature Plasma Diagnostics, Online(YouTube), Dec. 14 – 17, 2020, P4G23 (Poster).

3.      R. Sekine, M. Hirata, R. Ikezoe, S. Jang, Y. Kubota, H. Kayano, K. Sugata, T. Aizawa, D. Noguchi, D. Kim, Y. Sugimoto, R. Matsuura, H. Yamazaki, M. Ichimura, M. Yoshikawa, J. Kohagura, Y. Nakashima, N. Ezumi, M. Sakamoto, “Measurement of density-fluctuation structure owing to spontaneously excited waves by using microwave reflectometer system in the central cell on GAMMA 10/PDX”, The 23rd topical conference on High Temperature Plasma Diagnostics, Online(YouTube), Dec. 14 – 17, 2020, P2G25 (Poster).

4.      H. Kayano, S. Jang, M. Hirata, N. Ezumi, H. Yamazaki, K. Sugata, T. Aizawa, D. Noguchi, D. Kim, Y. Sugimoto, R. Matuura, R. Ikezoe, M. Yoshikawa, M. Ichimura, M. Sakamoto, “Observation of plasma heating by waves with difference-frequency of two ICRF waves in the GAMMA 10/PDX”, 29th International Toki Conference, Online(LEMO), Oct. 27-30, 2020, P1-F3-5 (Poster).

5.      H. Gamo, N. Ezumi, T. Sugiyama, K. Nojiri, A. Kondo, M. Hirata, J. Kohagura, M. Yoshikawa, Y. Nakashima, D. Hwangbo, M. Sakamoto, R. Perillo, T. Kuwabara, H. Tanaka, N. Ohno, K. Sawada, A. Tonegawa, S. Masuzaki, “Influence of nitrogen ratio during combined seeding with hydrogen on plasma detachment in the divertor simulation experimental module of GAMMA 10/PDX”, 29th International Toki Conference, Online(LEMO), Oct. 27-30, 2020, P2-F2-2 (Poster).

6.      N. Ezumi, T. Sugiyama, H. Gamo, K. Nojiri, A. Kondo, M. Hirata, J. Kohagura, M. Yoshikawa, Y. Nakashima, M. Sakamoto, R. Perillo, H. Y. Guo, T. Kuwabara, H. Tanaka, N. Ohno, K. Sawada, S. Kado, A. Tonegawa, S. Masuzaki, “Recent research progress on plasma detachment in divertor simulation experiment in GAMMA 10/PDX: Role of molecular processes and target configuration”, 4th Asia Pacific Conference on Plasma Physics (AAPPS-DPP2020), e‐conference, http://aappsdpp.org/DPP2020/index.html ), Oct. 26-31, 2020, MF2-I32 (Invite).

2019年度業績リスト

査読付き論文>

1.      N.Ohno, M.Seki, H.Ohshima, H.Tanaka, S.Kajita, Y.Hayashi, H.Natsume, H.Takano, I.Saeki, M.Yoshikawa, H. van der Meiden,  “Investigation of recombination front region in detached plasmas in a linear divertor plasma simulator”, Nuclear Materials and Energy, 19 (2019) 458-462.

2.      Miu YUNOKI, Hiroshi IDEI, Kazuo NAKAMURA, Masaharu FUKUYAMA, Ryuichi ASHIDA, aichi OGATA, Takumi ONCHI, Ryuya IKEZOE, Masayuki YOSHIKAWA, “Prototype Quasi-optical Launcher System of 4 mm Round-trip Interferometer for the QUEST Spherical Tokamak Experiments”, PFR, 14 (2019) 3402122-1-6.

3.      K. Nojiri, M. Sakamoto, N. Ezumi, A. Terakado, T. Iijima, S. Togo, T. Yokodo, Y. Kinoshita, T. Mikami, T. Yoshimoto, S. Yamashita, J. Kohagura, M. Yoshikawa, Y. Nakashima, “Effects of gas puff and pump on plasma detachement associated with molecular activated recombination in GAMMA 10/PDX”, Nuclear Materials and Energy, 20 (2019) 100691-1-5.

4.      N. Ezumi, T. Iijima, M. Sakamoto, Y. Nakashima, M. Hirata, M. Ichimura, R. Ikezoe, T. Imai, T. Kariya, I. Katanuma, J. Kohagura, R. Minami, T. Numakura, M. Yoshikawa, S. Togo, M.S. Islam, M.M. Islam, K. Nojiri, A. Terakado, S. Jang, Y. Kinoshita, T. Mikami, S. Yamashita, T. Yoshimoto, T. Hara, A. Hatayama, K. Ichimura, S. Kado, S. Masuzaki, T. Nakano, N. Ohno, S. Sawada, H. Tanaka, A. Tonegawa and R. Perillo, “Synergistic effect of nitrogen and hydrogen seeding gases on plasma detachment in the GAMMA 10/PDX tandem mirror”, Nuclear Fusion, 59 (2019) 066030-1-5.

5.      M. Yoshikawa, J. Kohagura, R. Ikezoe, M. Sakamoto, N. Ezumi, R. Minami, M. Hirata, A. Terakado, K. Nojiri, S. Jang, A. Tanaka, M. Ichimura, T. Imai and Y. Nakashima, “Suppression of flute-like fluctuation by potential formation in GAMMA 10/PDX”, Nuclear Fusion 59 (2019) 076031-1-7.

6.      M. Yoshikawa, J. Kohagura, Y. Shima,H. Nakanishi,T. Mouri, S. Suto, K. Nojiri,A. Terakado,N. Ezumi, M. Sakamoto, Y. Nakashima,R. Minami,I. Yamada, R. Yasuhara, H. Funaba,T. Minami,N. Kenmochi, D. Kuwahara and H. Van der Meiden, “First electron temperature and density measurements of D-module plasma in GAMMA 10/PDX using Thomson scattering and microwave interferometer systems”, JINST, 14 (2019) P06033-1-11.

7.      M. Yoshikawa, H. v. d. Meiden, R. Al, J. Vernimmen, J. Kohagura, Y. Shima, M. Sakamoto, and Y. Nakashima, “Low frequency fluctuation study using a microwave interferometer and Hα line emission measurement systems in the Pilot-PSI device”, AIP Advances, 9 (2019) 085225-1-7.

8.      H. Idei, T. Onchi, K. Mishra, H. Zushi, T. Kariya, T. Imai, O. Watanabe, R. Ikezoe, K. Hanada, M. Ono, A. Ejiri, J. Qian, K. Nakamura, A. Fujisawa, Y. Nagashima, M. Hasegawa, K. Matsuoka, A. Fukuyama, S. Kubo, M. Yoshikawa, M. Sakamoto, S. Kawasaki, A. Higashijima, S. Ide, Y. Takase and S. Murakami, “Electron heating of over-dense plasma with dual-frequency electron cyclotron waves in fully non-inductive plasma ramp-up on the QUEST spherical tokamak”, Nucl. Fusion 60 (2020) 016030 (13pp).

<国際学会>

1.        M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, and N. Kenmochi, “First electron temperature and density measurements of D-module plasma in GAMMA 10/PDX using Thomson scattering and microwave interferometer systems”, The 17th International Conference on Plasma-Facing Materials and Components for Fusion Applications (PFMC-17), Eindhoven, the Netherlands, May. 21-24, 2019, PB-093 (Poster).

2.        M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakahishi, T. Mouri, S. Suto, N. Ezumi, M. Sakamoto, Y. Nakashima, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, N. Kenmochi, D. Kuwahara, H. VD. Meiden, “Progress of the divertor-relevant experiments in the tandem mirror GAMMA 10/PDX”, The 10th International Symposium of Advanced Energy Science, Kyoto, Japan, Sep. 4-6, 2019, (Invite).

3.        M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakahishi, T. Mouri, S. Suto, K. Nojiri, T. Iijima, N. Ezumi, M. Sakamoto, Y. Nakashima, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, N. Kenmochi, D. Kuwahara, and H. VD. Meiden, “Electron temperature and density measurements by the dual-pass Thomson scattering system in GAMMA 10/PDX”, The 10th International Symposium of Advanced Energy Science, Kyoto, Japan, Sep. 4-6, 2019, (Oral).

4.        T. Iijima, T. Hara, K. Nojiri, A. Terakado, J. Kohagura, M. Yoshikawa, N. Ezumi, M. Sakamoto, Y. Nakashima, “Spatial distribution characteristics of detached plasma in divertor simulation experimental module of GAMMA 10/PDX”, The 10th International Symposium of Advanced Energy Science, Kyoto, Japan, Sep. 4-6, 2019, (Oral).

5.        N. Ezumi, T. Iijima, K. Nojiri, A. Terakado, T. Hara, Y. Ando, H. Gamo, T. Sugiyama, Y. Takami, K. Honma, A. Kondo, M. Sakamoto, M. Hirata, J. Kohagura, M. Yoshikawa, Y. Nakashima, R. Perillo, T. Kuwabara, H. Tanaka, N. Ohno, K. Sawada, A. Tonegawa and S. Masuzaki, “Plasma detachment caused by nitrogen and hydrogen gas seeding in the divertor simulation experimental module of GAMMA 10/PDX”, The 28th International Toki Conference on Plasma and Fusion Research, Ceratopia Toki, Toki, Gifu, Japan, Nov. 5-8, 2019, I4-1, (Invite).

6.    Md. S. Islam, Y. Nakashima, T. Iijima, T. Hara, K. Nojiri, A. Terakado, N. Ezumi, M. Yoshikawa, T. Kariya, R. Minami, K. Hoshino, A. Hatayama, H. Hasegawa, S. Ishiguro and M. Sakamoto, “Study of the Transient Behavior of Detached Plasma during Xe Gas Injection into the D-module of GAMMA 10/PDX”, The 28th International Toki Conference on Plasma and Fusion Research, Ceratopia Toki, Toki, Gifu, Japan, Nov. 5-8, 2019, O1-3, (Oral).

7.        N. Ohno, N. Ezumi, Y. Hayashi, S. Kajita, H. Tanaka, H. Takano, M. Takagi, S. Masuzaki, M. Aramaki, M. Yoshikawa, H. J. van der Meiden, “Upgrading of dc discharge system and diagnostics for plasma detachment study in linear plasma device NAGDIS-II”, 7th International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF2019), La Jolla, California, USA, Oct. 22-25, 2019, (Oral).

8.        N. Ezumi, H. Gamo, T. Sugiyama, Y. Takami, T. Iijima, K. Nojiri, A. Terakado, T. Hara, Y. Ando, M. Sakamoto, M. Hirata, J. Kohagura, M. Yoshikawa, Y. Nakashima, R. Perillo, T. Kuwabara, H. Tanaka, N. Ohno, K. Sawada, A. Tonegawa and S. Masuzaki, “Plasma detachment caused by composite gas seeding in front of variable angle V-shaped target of GAMMA 10/PDX”, 7th International Workshop on Plasma Material Interaction Facilities for Fusion Research (PMIF2019), La Jolla, California, USA, Oct. 22-25, 2019, (Oral).

2018年度業績リスト

査読付き論文>

1.      M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, R. Minami, I. Yamada, R. Yasuhara, H. Funaba, T. Minami and N. Kenmochi, “Radial Profile Measurements of Electron Temperature and Density Using the Thomson Scattering System in GAMMA 10/PDX”, Plasma and Fusion Research, 13 (2018) 3402051-1-5.

2.      T. Yokodo, Y. Nakashima, A. Hatayama, T. Iijima, Md. S. Islam, T. Yoshimoto, K. Ichimura, Md. M. Islam, G. Lee, S. Yamashita, A. Terakado, K. Nojiri, M. Yoshikawa, J. Kohagura, N. Ezumi, M. Sakamoto and T. Imai,Impact of the Upstream Plasma Parameters on the Spectroscopic Measurement in the GAMMA 10/PDX Divertor Simulation Experiments”, Plasma and Fusion Research, 13 (2018) 3402032-1-5.

3.      H. Tanaka, K. Takeyama, M. Yoshikawa, S. Kajita, N. Ohno and Y. Hayashi, “Localized spiraling plasma ejection contributing the ion-flux broadening in the detached linear plasma”, Plasma Phys. Control. Fusion 60 (2018) 075013, pp. 1-11.

4.      A. Mase, Y. Kogi, D. Kuwahara, Y. Nagayama, N. Ito, T. Maruyama, H. Ikezi, X. Wang, M. Inutake, T. Tokuzawa, J. Kohagura, M. Yoshikawa, S. Shinohara, A. Suzuki, F. Sakai, M. Yamashika, B. J. Tobias, C. Muscatello, X. Ren, M. Chen, C. W. Domier and N. C. Luhmann Jr., “Development and application of radar reflectometer using micro to infrared waves”, Advances in Physics: X, Vol. 3, No. 1 (2018) 1472529, pp.633-675.

5.      H. Tanaka, M. Sakamoto, N. Ezumi, K. Nojiri, A. Terakado, T. Mikami, Y. Kinoshita, K. Kobayashi, M. Yoshikawa, J. Kohagura, and N. Ohno, “ Blob- and hole-like structures outstanding during the transition from attached todetached divertor states in GAMMA 10/PDX”, Physics of Plasmas 25, 082505 (2018), pp. 1-6.

6.      M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, and N. Kenmochi, “ Development of a laser amplification system for the multi-pass Thomson scatteringsystem for GAMMA 10/PDX”, Rev. Sic. Instrum. 89, 10C102 (2018), pp. 1-4.

7.      H. Natsume, H. Tanaka, S. Kajita, M. Yoshikawa, M. Seki, H. Ohsima, and N. Ohno, “Multipoint measurements employing a microwave interferometer and a Langmuir probe in the detached linear plasma”, AIP Advences 9, 015016 (2019), pp. 1-6.

8.      M. Yoshikawa, T. Mouri, J. Kohagura, Y. Shima, T. Yamasaki, S. Suto, H. Nakanishi, M. Sakamoto, Y. Nakashima, R. Minami, N. Ezumi, I. Yamada, R. Yasuhara, H. Funaba, T. Minami and N. Kenmochi, “YAG-Thomson Scattering System in GAMMA 10/PDX Central and End Cells”, Plasma and Fusion Research, 14 (2019) 2402002-1-6.

9.      H. Tanaka, M. Sakamoto, N. Ezumi, A. Terakado, K. Nojiri, T. Mikami, Y. Kinoshita, K. Kobayashi, M. Yoshikawa, J. Kohagura, and N Ohno, “Spatiotemporal Structure of Hα Emission from the Detached Plasma in GAMMA 10/PDX”, Plasma and Fusion Research, 14 (2019) 2402036-1-5.

10.  M. S. Islam, Y. Nakashima, A. Hatayama, H. Matsuura, K. Ichimura, T. Iijima, T. Yokodo, K. Nojiri, A. Terakado, M. M. Islam, T. Yoshimoto, S. Yamashita, T. Hara, M. Yoshikawa, N. Ezumi and M. Sakamoto, “Measurements of the Plasma Parameters in the D-Module of GAMMA 10/PDX during Impurity Gas Kr Injection”, Plasma and Fusion Research, 14 (2019) 2402016-1-4.

11.  M. M. Islam, S. Kobayashi, N. Nishino, M. S. Islam, T. Iijima, M. Yoshikawa, J. Kohagura, M. Shoji, and Y. Nakashima, “ Sensitivity Check of Background Plasma Parameter during SMBIin the GAMMA 10 Central-Cell by 3-D Monte-Carlo Simulations”, Plasma and Fusion Research, 14 (2019) 2403017-1-4.

12.  R. Ikezoe, Y. Kubota, M. Ichimura, M. Hirata, S. Sumida, S. Jang, K. Izumi, A. Tanaka, R. Sekine, H. Kayano, Y. Shima, J. Kohagura, M. Yoshikawa, M. Sakamoto, Y. Nakashima, and A. Fukuyama, “A Full Wave Simulation on the Density Dependence of a Slow Wave Excitation in the GAMMA 10/PDX Central Cell with TASK/WF3D”, Plasma and Fusion Research, 14 (2019) 2402003-1-5.


国際会議>

1.  M. Yoshikawa, J. Kohagura, M. Sakamoto, N. Ezumi, R. Minami, M. Hirata, T. Iijima, A. Terakado, K. Nojiri, S. Jang, A. Tanaka, M. Ichimura, T. Imai, N. Nakashima, R. Ikezoe, “Flute like fluctuation suppression by the potential formation in GAMMA 10/PDX”, 27th IAEA Fusion Energy Conference – IAEA CN-258, 22-27 October 2018, Gandhinagar, India (#45).

2.        M. Yoshikawa, J. Kohagura, M. Chikatsu, Y. Shima, M. Sakamoto, Y. Nakashima, N. Ezumi, R. Minami, R. Yasuhara, I. Yamada, H. Funaba, T. Minami, and N. Kenmochi, “Development of the multi-pass Thomson scattering system with the laser amplification system”, The 22nd Topical Conference on High-Temperature Plasma Diagnostics (HTPD 2018), Apr. 16-19, 2018, San Diego, California, USA, 2.6 (Poster).

3.        T. Yamasaki, M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakanishi, S. Suto, T. Mouri, M. Sakamoto, ans Y. Nakashima, “Two dimensional Ha emission measurements using the multi-channel Ha array system in GAMMA 10/PDX”, J-K Diagnostics Seminar, NIFS, Aug. 7-10, 2018 (Poster).

4.        H. Natsume, H. Tanaka, S. Kajita, M. Yoshikawa, M. Seki, H. Ohshima, N. Ohno, “Microwave interferometer and Langmuir probe measurements along the magnetic field in the detached liner plasma”, J-K Diagnostics Seminar, NIFS, Aug. 7-10, 2018 (Poster).

5.        Y. Nakashima, M. Sakamoto, T. Kariya, M. Yoshikawa, N. Ezumi, R. Minami, M. Hirata, J. Kohagura, T. Numakura, R. Ikezoe, S. Togo, T. Iijima, M.S. Islam, K. Ichimura, I. Katanuma, T. Imai, M. Ichimura and GAMMA 10/PDX group, “Present status and future in GAMMA 10/PDX Project”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, PL2 (Prenary).

6.        M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakanishi, M. Sakamoto, Y. Nakashima, R. Minami, T. Yamasaki, S. Suto, T. Mouri, I. Yamada, R. Yasuhara, H. Funaba, T. Minami, and N. Kenmochi, “Progress of Thomson scattering system in the tandem mirror GAMMA 10/PDX”, The 12th Open Magnetic Confinement Systems for Plasma Confimenet, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, I6 (Invite).

7.        N. Ezumi, T. Iijima, S. Masuzaki, A. Tonegawa, N. Ohno, K. Sawada, S. Kado, S. Namba, D. Nishijima, M. Takagi, S. Togo, M. Sakamoto, M. Yoshikawa, J. Kohagura, Y. Nakashima, “Progress in steady-state high density TPD-type plasma source development for Demo divertor simulation experiment”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, I10 (Invite).

8.        R. Ikezoe, M. Ichimura, M. Hirata, Y. Kubota, S. Sumida, S. Jang, K. Izumi, A. Tanaka, R. Sekine, H. Kayano, Y. Shima, J. Kohagura, M. Yoshikawa, M. Sakamoto, Y. Nakashima, A. Fukuyama, “Investigation of slow wave excitation in the GAMMA 10/PDX central cell”, The 12th8Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, O5 (Oral).

9.        N. Nishino, Y. Nakashima, M. Yoshikawa, R. Sakamoto, M. Sakamoto, S. Kobayashi, S. Ohshima, K. Hanada, H. Kawazome, S. Yamashita, T. Yoshimoto, T. Iijima, T. Hara, “Development of noise-less divergence-free magnetic probe system in GAMMA 10”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, O6 (Oral).

10.        H. Tanaka, M. Sakamoto, N. Ezumi, K. Nojiri, A. Terakado, T. Mikami, Y. Kinoshita, K. Kobayashi, M. Yoshikawa, J. Kohagura, N. Ohno, “Analysis of multipoint fluctuations in the transient discharge from attached to detached states in GAMMA 10/PDX”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, O9 (Oral).

11.    M. Sakamoto, N. Nakashima, N. Ezumi, I. Katanuma, T. Kariya, M. Yoshikawa, R. Minami, M. Hirata, J. Kohagura, T. Numakura, R. Ikezoe, S. Togo, T. Iijima, T. Imai, M. Ichimura, “GAMMA PDX-SC project: status and perspectives”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, O18 (Oral).

12.    M. S. Islam, Y. Nakashima, A. Hatayama, H. Matsuura, T. Iijima, K. Ichimura, M. M. Islam, T. Yokodo, T. Yoshimoto, S. Yamashita, T. Hara, K. Nojiri, A. Terakado, M. Yoshikawa, N. Ezumi, and M. Sakamoto, “Study of the plasma parameters in the D-module of GAMMA 10/PDX during impurity gases injection”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, O20 (Oral).

13.    M. M.Islam, S.Kobayashi, N.Nishino, M. S.Islam,T. Iijima, M. Yoshikawa, J. Kohagura, M. K.Islam, M.Shoji,Y.Nakashima, “Sensitivity check of background plasma parameter during SMBI in the GAMMA 10 central-cell by 3-D Monte-Carlo simulations”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, P2 (Poster).

14.    J. Kohagura, T. Tokuzawa, M. Yoshikawa, Y. Shima, K. Nojiri, A. Terakado, N. Konno, N. Ezumi, M. Sakamoto, Y. Nakashima, “Time behavior of perpendicular velocity of density fluctuations with a series of electron cyclotron heatings in GAMMA 10”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, P20 (Poster).

15.    Y. Kinoshita, N. Ezumi, K. Nojiri, T. Iijima, A. Terakado, T. Mikami, K. Kobayashi, M. Sakamoto, Y. Nakashima, S. Togo, J. Kohagura, M. Yoshikawa, H. Tanaka, S. Masuzaki, “Evaluation of electron density and space potential using ion sensitive probe in D -module of GAMMA 10/PDX” The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, P24 (Poster).

16.    T. Yamasaki, M. Yoshikawa, J. Kohagura, Y. Shima, H. Nakanishi, S. Suto, T. Mouri, M. Sakamoto, and Y. Nakashima, “Two dimensional Hα emission measurements using the multi-channel Hα array system in GAMMA 10 / PDX”, The 12th Open Magnetic Confinement Systems for Plasma Confimenetn, Aug. 27-31, 2018, Univ. Tsukuba, Tsukuba, Ibaraki, JAPAN, P28 (Poster).

17.    M. Yoshikawa, J. Kohagura, M. Sakamoto, N. Ezumi, R. Minami, M. Hirata, T. Iijima, A. Terakado, K. Nojiri, S. Jang, A. Tanaka, M. Ichimura, T. Imai, N. Nakashima, R. Ikezoe, “Fluctuation Suppression by the potential formation in GAMMA 10/PDX”, 27th IAEA Fusion Energy Conference (FEC2018), 22-27 October 2018, Gandhinagar, India (EX/P3-1) (Poster).

18.    N. Ezumi, T. Iijima, M. Sakamoto, Y. Nakashima, M. Hirata, M. Ichimura, T. Imai, T. Kariya, I. Katanuma, J. Kohagura, R. Minami, T. Numakura, M. Yoshikawa, S. Togo, M. S. Islam, M. M. Islam, K. Nojiri, A. Terakado, S. Jang, T. Yokodo, Y. Kinoshita, T. Mikami, S. Yamashita, T. Yoshimoto, T. Hara, R. Ikezoe, A. Hatayama, K. Ichimura, S. Kado, S. Masuzaki, T. Nakano, N. Ohno, H. Tanaka, S. Sawada, A. Tonegawa, “Synergistic Effect of Impurity and Hydrogen Gas Puffs on Plasma Detachment in the GAMMA 10/PDX Tandem Mirror”, 27th IAEA Fusion Energy Conference (FEC2018), 22-27 October 2018, Gandhinagar, India (EX/P3-9) (Poster).

19.    H. Natsume, H. Tanaka, S. Kajita, M. Yoshikawa, M. Seki, H. Ohshima, N. Ohno, Microwave interferometer and Langmuir probe measurements along the magnetic field in the detached liner plasma”, The 27th International Toki Conference & Asia Pacific Plasma Theory Conference (ITC27 & APPTC2018), Nov. 19-22, 2018, Ceratopia Toki, Gifu, Japan. (Poster).

20. M. Yunoki, M. Fukuyama, R. Ashida, D. Ogata, K. Nakamura, T. Onchi, R. Ikezoe, M. Yoshikawa, H. Idei, “Development of W-band corrugated horn antenna based on electromagnetic field simulator analysis”, The 27th International Toki Conference & Asia Pacific Plasma Theory Conference (ITC27 & APPTC2018), Nov. 19-22 2018, Ceratopia Toki, Gifu, Japan. (Poster).


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