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2. Commissioning of the first KSTAR neutral beam injection system and beam experiments

Author

Bae, Y.S., Park, Y.M., Kim, J.S., Han, W.S., Kwak, S.W., Chang, Y.B., Park, H.T., Song, N.H., Yang, H.L., Yoon, S.W., Jeon, Y.M., Hahn, S.H., Lee, S.G., Ko, W.H., England, A.C., Kim, W.C., Oh, Y.K., Kwak, J.G., Kwon, M., Chang, D.H., Jeong, S.H., Kim, T.S., Oh, B.H., Jin, J.T., In, S.R., Lee, K.W., Chang, D.S., Watanabe, K., Dairaku, M., Tobari, H., Kashiwagi, M., Hanada, M., Inoue, T., Ikeda, Y., Kawai, M., Komata, M., Mogaki, K., Usui, K., Yamamoto, T., Matsuoka, M., Nagaoka, K., and Grisham, L.

Published
2012
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4. Completion of JT-60SA construction and contribution to ITER

Author

Kamada Y., Di Pietro E., Hanada M., Barabaschi P., Ide S., Davis S., Yoshida M., Giruzzi G., Sozzi C., Abdel Maksoud W., Abe H., Aiba N., Akiyama T., Ayllon-Guerola J., Arai T., Artaud J. -F., Asakura N., Ashikawa N., Balbinot L., Bando T., Baulaigue O., Belonohy E., Bin W., Bombarda F., Bolzonella T., Bonne F., Bonotto M., Botija J., Cabrera-Perez S., Cardella A., Carraro L., Cavalier J., Chernyshova M., Chiba S., Clement-Lorenzo S., Cocilovo V., Coda S., Coelho R., Coffey I., Collin B., Corato V., Cucchiaro A., Czarski T., Dairaku M., Day C., de la Luna E., De Tommasi G., Decool P., Di Pace L., Dibon M., Disset G., Ejiri A., Endo Y., Ezumi N., Falchetto G., Fassina A., Fejoz P., Ferro A., Fietz W., Figini L., Fornal T., Frello G., Fujita T., Fukuda T., Fukui K., Fukumoto M., Furukawa M., Futatani S., Gabellieri L., Gaio E., Galazka K., Garcia J., Garcia-Dominguez J., Garcia-Lopez J., Garcia-Munoz M., Garzotti L., Gasparini F., Gharafi S., Giacomelli L., Ginoulhiac G., Giudicotti L., Guillen Gonzalez R., Hajnal N., Hall S., Hamada K., Hanada K., Hasegawa K., Hatae T., Hatakeyama S., Hauer V., Hayashi N., Hayashi T., Heller R., Higashijima S., Hinata J., Hiranai S., Hiratsuka J., Hiwatari R., Hoa C., Homma H., Honda A., Honda M., Horiike H., Hoshino K., Hurzlmeier H., Iafrati M., Ibano K., Ichige H., Ichikawa M., Ichimura M., Ida K., Idei H., Iijima T., Iio S., Ikeda R., Ikeda Y., Imai T., Imazawa R., Inagaki S., Inomoto M., Inoue S., Isayama A., Ishida S., Ishii Y., Isobe M., Janky F., Joffrin E., Jokinen A., Kado S., Kajita S., Kajiwara K., Kamata I., Kaminaga A., Kamiya K., Kanapienyte D., Kashiwa Y., Kashiwagi M., Katayama K., Kawamata Y., Kawamura G., Kawano K., Kawashima H., Kin F., Kitajima S., Kiyono K., Kizu K., Kobayashi K., Kobayashi M., Kobayashi S., Kobayashi T., Kocsis G., Koide Yo., Koide Yu., Kojima A., Kokusen S., Komuro K., Konishi S., Kovacsik A., Ksiazek I., Kubkowska M., Kuhner G., Kuramochi M., Kurihara K., Kurki-Suonio T., Kurniawan A. B., Kuwata T., Lacroix B., Lamaison V., Lampasi A., Lang P., Lauber P., Lawson K., Louzguiti A., Maekawa R., Maekawa T., Maeyama S., Maffia G., Maget P., Mailloux J., Maione I., Maistrello A., Malinowski K., Marchiori G., Marechal J. -L., Massaut V., Masuzaki S., Matsunaga G., Matsunaga S., Mayri Ch., Mattei M., Medrano M., Mele A., Meyer I., Michel F., Minami T., Miyata Y., Miyazawa J., Miyo Y., Mizuuchi T., Mogaki K., Morales J., Moreau P., Mori M., Morisaki T., Morishima S., Moriyama S., Moro A., Murakami H., Murayama M., Murakami S., Nagasaki K., Naito O., Nakamura S., Nakano T., Nakashima Y., Nardino V., Narita E., Narushima Y., Natsume K., Nemoto S., Neu R., Nicollet S., Nishikawa M., Nishimura S., Nishiura M., Nishiyama T., Nocente M., Nobuta Y., Novello L., Nunio F., Ochoa S., Ogawa T., Ogawa Y., Ohdachi S., Ohmori Y., Ohno N., Ohtani Y., Ohzeki M., Oishi T., Okano F., Okano J., Okano K., Onishi Y., Osakabe M., Oshima T., Ostuni V., Oya M., Oya Y., Oyama N., Ozeki T., Pasqualotto R., Pelli S., Peretti E., Phillips G., Piccinni C., Pigatto L., Pironti A., Pizzuto A., Plockl B., Polli G., Poncet J. -M., Ponsot P., Puiatti M., Radloff D., Raimondi V., Ramos F., Rancsik P., Ricci D., Ricciarini S., Rincon E., Romano A., Rossi P., Roussel P., Rubino G., Saeki H., Sagara A., Sakakibara S., Sakamoto H., Sakamoto M., Sakamoto Y., Sakasai A., Sakata S., Sakuma T., Sakurai S., Salanon B., Salmi A., Sannazzaro G., Sano R., Sanpei A., Sasajima T., Sasaki S., Sasao H., Sato F., Sato M., Sawahata M., Scherber A., Scully S., Seki M., Seki S., Shibama Y., Shibata Y., Shikama T., Shimada K., Shimono M., Shinde J., Shinya T., Shinohara K., Shirai H., Shiraishi J., Soare S., Soleto A., Someya Y., Streciwilk-Kowalska E., Strobel H., Sueoka M., Sukegawa A., Sulistyanintyas D., Sumida S., Sunaoshi H., Suzuki H., Suzuki M., Suzuki S., Suzuki T., Suzuki Y., Svoboda J., Szabolics T., Szepesi T., Takahashi K., Takase Y., Takechi M., Takeda K., Takeiri Y., Takenaga H., Taliercio C., Tamura N., Tanaka H., Tanaka K., Tani K., Tanigawa H., Tardocchi M., Terakado A., Terakado M., Terakado T., Teuchner B., Tilia B., Tobita K., Toi K., Toida N., Tojo H., Tokitani M., Tokuzawa T., Tormarchio V., Tomine M., Torre A., Totsuka T., Tsuchiya K., Tsujii N., Tsuru D., Tsutsui H., Uchida M., Ueda Y., Uno J., Urano H., Usui K., Utoh H., Valisa M., Vallar M., Vallcorba-Carbonell R., Vallet J. -C., Varela J., Vega J., Verrecchia M., Vieillard L., Villone F., Vincenzi P., Wada K., Wada R., Wakatsuki T., Wanner M., Watanabe F., Watanabe K., Wauters T., Wiesen S., Wischmeier M., Yagi M., Yagyu J., Yajima M., Yokooka S., Yokoyama M., Yamamoto S., Yamanaka H., Yamauchi K., Yamauchi Y., Yamazaki H., Yamazaki K., Yamazaki R., Yamoto S., Yanagi S., Yanagihara K., Yoshizawa N., Zani L., Zito P., Kamada, Y., Di Pietro, E., Hanada, M., Barabaschi, P., Ide, S., Davis, S., Yoshida, M., Giruzzi, G., Sozzi, C., Abdel Maksoud, W., Abe, H., Aiba, N., Akiyama, T., Ayllon-Guerola, J., Arai, T., Artaud, J. -F., Asakura, N., Ashikawa, N., Balbinot, L., Bando, T., Baulaigue, O., Belonohy, E., Bin, W., Bombarda, F., Bolzonella, T., Bonne, F., Bonotto, M., Botija, J., Cabrera-Perez, S., Cardella, A., Carraro, L., Cavalier, J., Chernyshova, M., Chiba, S., Clement-Lorenzo, S., Cocilovo, V., Coda, S., Coelho, R., Coffey, I., Collin, B., Corato, V., Cucchiaro, A., Czarski, T., Dairaku, M., Day, C., de la Luna, E., De Tommasi, G., Decool, P., Di Pace, L., Dibon, M., Disset, G., Ejiri, A., Endo, Y., Ezumi, N., Falchetto, G., Fassina, A., Fejoz, P., Ferro, A., Fietz, W., Figini, L., Fornal, T., Frello, G., Fujita, T., Fukuda, T., Fukui, K., Fukumoto, M., Furukawa, M., Futatani, S., Gabellieri, L., Gaio, E., Galazka, K., Garcia, J., Garcia-Dominguez, J., Garcia-Lopez, J., Garcia-Munoz, M., Garzotti, L., Gasparini, F., Gharafi, S., Giacomelli, L., Ginoulhiac, G., Giudicotti, L., Guillen Gonzalez, R., Hajnal, N., Hall, S., Hamada, K., Hanada, K., Hasegawa, K., Hatae, T., Hatakeyama, S., Hauer, V., Hayashi, N., Hayashi, T., Heller, R., Higashijima, S., Hinata, J., Hiranai, S., Hiratsuka, J., Hiwatari, R., Hoa, C., Homma, H., Honda, A., Honda, M., Horiike, H., Hoshino, K., Hurzlmeier, H., Iafrati, M., Ibano, K., Ichige, H., Ichikawa, M., Ichimura, M., Ida, K., Idei, H., Iijima, T., Iio, S., Ikeda, R., Ikeda, Y., Imai, T., Imazawa, R., Inagaki, S., Inomoto, M., Inoue, S., Isayama, A., Ishida, S., Ishii, Y., Isobe, M., Janky, F., Joffrin, E., Jokinen, A., Kado, S., Kajita, S., Kajiwara, K., Kamata, I., Kaminaga, A., Kamiya, K., Kanapienyte, D., Kashiwa, Y., Kashiwagi, M., Katayama, K., Kawamata, Y., Kawamura, G., Kawano, K., Kawashima, H., Kin, F., Kitajima, S., Kiyono, K., Kizu, K., Kobayashi, K., Kobayashi, M., Kobayashi, S., Kobayashi, T., Kocsis, G., Koide, Yo., Koide, Yu., Kojima, A., Kokusen, S., Komuro, K., Konishi, S., Kovacsik, A., Ksiazek, I., Kubkowska, M., Kuhner, G., Kuramochi, M., Kurihara, K., Kurki-Suonio, T., Kurniawan, A. B., Kuwata, T., Lacroix, B., Lamaison, V., Lampasi, A., Lang, P., Lauber, P., Lawson, K., Louzguiti, A., Maekawa, R., Maekawa, T., Maeyama, S., Maffia, G., Maget, P., Mailloux, J., Maione, I., Maistrello, A., Malinowski, K., Marchiori, G., Marechal, J. -L., Massaut, V., Masuzaki, S., Matsunaga, G., Matsunaga, S., Mayri, Ch., Mattei, M., Medrano, M., Mele, A., Meyer, I., Michel, F., Minami, T., Miyata, Y., Miyazawa, J., Miyo, Y., Mizuuchi, T., Mogaki, K., Morales, J., Moreau, P., Mori, M., Morisaki, T., Morishima, S., Moriyama, S., Moro, A., Murakami, H., Murayama, M., Murakami, S., Nagasaki, K., Naito, O., Nakamura, S., Nakano, T., Nakashima, Y., Nardino, V., Narita, E., Narushima, Y., Natsume, K., Nemoto, S., Neu, R., Nicollet, S., Nishikawa, M., Nishimura, S., Nishiura, M., Nishiyama, T., Nocente, M., Nobuta, Y., Novello, L., Nunio, F., Ochoa, S., Ogawa, T., Ogawa, Y., Ohdachi, S., Ohmori, Y., Ohno, N., Ohtani, Y., Ohzeki, M., Oishi, T., Okano, F., Okano, J., Okano, K., Onishi, Y., Osakabe, M., Oshima, T., Ostuni, V., Oya, M., Oya, Y., Oyama, N., Ozeki, T., Pasqualotto, R., Pelli, S., Peretti, E., Phillips, G., Piccinni, C., Pigatto, L., Pironti, A., Pizzuto, A., Plockl, B., Polli, G., Poncet, J. -M., Ponsot, P., Puiatti, M., Radloff, D., Raimondi, V., Ramos, F., Rancsik, P., Ricci, D., Ricciarini, S., Rincon, E., Romano, A., Rossi, P., Roussel, P., Rubino, G., Saeki, H., Sagara, A., Sakakibara, S., Sakamoto, H., Sakamoto, M., Sakamoto, Y., Sakasai, A., Sakata, S., Sakuma, T., Sakurai, S., Salanon, B., Salmi, A., Sannazzaro, G., Sano, R., Sanpei, A., Sasajima, T., Sasaki, S., Sasao, H., Sato, F., Sato, M., Sawahata, M., Scherber, A., Scully, S., Seki, M., Seki, S., Shibama, Y., Shibata, Y., Shikama, T., Shimada, K., Shimono, M., Shinde, J., Shinya, T., Shinohara, K., Shirai, H., Shiraishi, J., Soare, S., Soleto, A., Someya, Y., Streciwilk-Kowalska, E., Strobel, H., Sueoka, M., Sukegawa, A., Sulistyanintyas, D., Sumida, S., Sunaoshi, H., Suzuki, H., Suzuki, M., Suzuki, S., Suzuki, T., Suzuki, Y., Svoboda, J., Szabolics, T., Szepesi, T., Takahashi, K., Takase, Y., Takechi, M., Takeda, K., Takeiri, Y., Takenaga, H., Taliercio, C., Tamura, N., Tanaka, H., Tanaka, K., Tani, K., Tanigawa, H., Tardocchi, M., Terakado, A., Terakado, M., Terakado, T., Teuchner, B., Tilia, B., Tobita, K., Toi, K., Toida, N., Tojo, H., Tokitani, M., Tokuzawa, T., Tormarchio, V., Tomine, M., Torre, A., Totsuka, T., Tsuchiya, K., Tsujii, N., Tsuru, D., Tsutsui, H., Uchida, M., Ueda, Y., Uno, J., Urano, H., Usui, K., Utoh, H., Valisa, M., Vallar, M., Vallcorba-Carbonell, R., Vallet, J. -C., Varela, J., Vega, J., Verrecchia, M., Vieillard, L., Villone, F., Vincenzi, P., Wada, K., Wada, R., Wakatsuki, T., Wanner, M., Watanabe, F., Watanabe, K., Wauters, T., Wiesen, S., Wischmeier, M., Yagi, M., Yagyu, J., Yajima, M., Yokooka, S., Yokoyama, M., Yamamoto, S., Yamanaka, H., Yamauchi, K., Yamauchi, Y., Yamazaki, H., Yamazaki, K., Yamazaki, R., Yamoto, S., Yanagi, S., Yanagihara, K., Yoshizawa, N., Zani, L., and Zito, P.

Subjects
assembly, Cryostat, Nuclear and High Energy Physics, Materials science, Tokamak, Nuclear engineering, Plasma, Condensed Matter Physics, Field coil, ITER risk mitigation, Overcurrent, law.invention, Control theory, law, Electromagnetic coil, research plan, broader approach, Voltage
Abstract

Construction of the JT-60SA tokamak was completed on schedule in March 2020. Manufacture and assembly of all the main tokamak components satisfied technical requirements, including dimensional accuracy and functional performances. Development of the plasma heating systems and diagnostics have also progressed, including the demonstration of the favourable electron cyclotron range of frequency (ECRF) transmission at multiple frequencies and the achievement of long sustainment of a high-energy intense negative ion beam. Development of all the tokamak operation control systems has been completed, together with an improved plasma equilibrium control scheme suitable for superconducting tokamaks including ITER. For preparation of the tokamak operation, plasma discharge scenarios have been established using this advanced equilibrium controller. Individual commissioning of the cryogenic system and the power supply system confirmed that these systems satisfy design requirements including operational schemes contributing directly to ITER, such as active control of heat load fluctuation of the cryoplant, which is essential for dynamic operation in superconducting tokamaks. The integrated commissioning (IC) is started by vacuum pumping of the vacuum vessel and cryostat, and then moved to cool-down of the tokamak and coil excitation tests. Transition to the super-conducting state was confirmed for all the TF, EF and CS coils. The TF coil current successfully reached 25.7 kA, which is the nominal operating current of the TF coil. For this nominal toroidal field of 2.25 T, ECRF was applied and an ECRF plasma was created. The IC was, however, suspended by an incident of over current of one of the superconducting equilibrium field coil and He leakage caused by insufficient voltage holding capability at a terminal joint of the coil. The unique importance of JT-60SA for H-mode and high-β steady-state plasma research has been confirmed using advanced integrated modellings. These experiences of assembly, IC and plasma operation of JT-60SA contribute to ITER risk mitigation and efficient implementation of ITER operation.

Published
2022

5. Technical design of NBI system for JT-60SA

Author

Ikeda, Y., Akino, N., Ebisawa, N., Hanada, M., Inoue, T., Honda, A., Kamada, M., Kawai, M., Kazawa, M., Kikuchi, K., Kikuchi, M., Komata, M., Matsukawa, M., Mogaki, K., Noto, K., Okano, F., Ohga, T., Oshima, K., Takenouchi, T., Tamai, H., Tanai, Y., Umeda, N., Usui, K., Watanabe, K., and Yamazaki, H.

Published
2007
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7. Initial Beam Operation of 500keV Negative-Ion Based NBI System for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Aoyagi, T., additional, Ebisawa, N., additional, Fujiwara, Y., additional, Isozaki, N., additional, Honda, A., additional, Inoue, T., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Miyamoto, K., additional, Miyamoto, N., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Ohshima, K., additional, Satoh, F., additional, Seki, H., additional, Takenouchi, T., additional, Toyokawa, Y., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, and Yamazaki, T., additional

Published
1997
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8. Negative-Ion Based Neutral Beam Injector for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Aoyagi, T., additional, Araki, M., additional, Ebisawa, N., additional, Hanada, M., additional, Honda, A., additional, Inoue, T., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Kunieda, T., additional, Matsuoka, M., additional, Miyamoto, K., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Satoh, F., additional, Suzuki, T., additional, Takahashi, S., additional, Takayasu, T., additional, Usami, H., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, Yamazaki, T., additional, Ono, Y., additional, and Kawashima, S., additional

Published
1995
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9. ACTIVITIES ON NEUTRAL BEAM INJECTORS AT JAERI

Author

Kuriyama, M., primary, Ohara, Y., additional, Akino, N., additional, Ebisawa, N., additional, Hanada, M., additional, Inoue, T., additional, Kashimura, T., additional, Itoh, M., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Komata, M., additional, Kunieda, T., additional, Matsuoka, M., additional, Mizuno, M., additional, Mogaki, K., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Satoh, F., additional, Suzuki, Y., additional, Shimizu, K., additional, Takahashi, S., additional, Takayasu, T., additional, Tanaka, M., additional, Usami, H., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, and Yamazaki, T., additional

Published
1993
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12. Erratum: Examinations for leak tightness of actively cooled components in ITER and fusion devices (2017 Phys. Scr. 2017 014045)

Author

Hirai, T, primary, Barabash, V, additional, Carrat, R, additional, Chappius, Ph, additional, Durocher, A, additional, Escourbiac, F, additional, Merola, M, additional, Raffray, R, additional, Worth, L, additional, Boscary, J, additional, Chantant, M, additional, Chuilon, B, additional, Guilhem, D, additional, Hatchressian, J-C, additional, Hong, S H, additional, Kim, K M, additional, Masuzaki, S, additional, Mogaki, K, additional, Nicolai, D, additional, Wilson, D, additional, and Yao, D, additional

Published
2017
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13. Examinations for leak tightness of actively cooled components in ITER and fusion devices

Author

Hirai, T, primary, Barabash, V, additional, Carrat, R, additional, Chappuis, Ph, additional, Durocher, A, additional, Escourbiac, F, additional, Merola, M, additional, Raffray, R, additional, Worth, L, additional, Boscary, J, additional, Chantant, M, additional, Chuilon, B, additional, Guilhem, D, additional, Hatchressian, J-C, additional, Hong, S H, additional, Kim, K M, additional, Masuzaki, S, additional, Mogaki, K, additional, Nicolai, D, additional, Wilson, D, additional, and Yao, D, additional

Published
2017
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14. Progress in long-pulse production of powerful negative ion beams for JT-60SA and ITER

Author

Kojima, A., primary, Umeda, N., additional, Hanada, M., additional, Yoshida, M., additional, Kashiwagi, M., additional, Tobari, H., additional, Watanabe, K., additional, Akino, N., additional, Komata, M., additional, Mogaki, K., additional, Sasaki, S., additional, Seki, N., additional, Nemoto, S., additional, Shimizu, T., additional, Endo, Y., additional, Ohasa, K., additional, Dairaku, M., additional, Yamanaka, H., additional, and Grisham, L.R., additional

Published
2015
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15. Achievement of 500 keV negative ion beam acceleration on JT-60U negative-ion-based neutral beam injector

Author

Kojima, A., primary, Hanada, M., additional, Tanaka, Y., additional, Kawai, M., additional, Akino, N., additional, Kazawa, M., additional, Komata, M., additional, Mogaki, K., additional, Usui, K., additional, Sasaki, S., additional, Kikuchi, K., additional, Seki, N., additional, Nemoto, S., additional, Oshima, K., additional, Simizu, T., additional, Kubo, N., additional, Oasa, K., additional, Inoue, T., additional, Watanabe, K., additional, Taniguchi, M., additional, Kashiwagi, M., additional, Tobari, H., additional, Umeda, N., additional, Kobayashi, S., additional, Yamano, Y., additional, and Grisham, L.R., additional

Published
2011
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16. Development of the JT-60SA Neutral Beam Injectors

Author

Hanada, M., primary, Kojima, A., additional, Inoue, T., additional, Watanabe, K., additional, Taniguchi, M., additional, Kashiwagi, M., additional, Tobari, H., additional, Umeda, N., additional, Akino, N., additional, Kazawa, M., additional, Oasa, K., additional, Komata, M., additional, Usui, K., additional, Mogaki, K., additional, Sasaki, S., additional, Kikuchi, K., additional, Nemoto, S., additional, Ohshima, K., additional, Endo, Y., additional, Simizu, T., additional, Kubo, N., additional, Kawai, M., additional, Grisham, L. R., additional, Takeiri, Yasuhiko, additional, and Tsumori, Katsuyoshi, additional

Published
2011
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17. Addendum to papers from JT-60 NBI Group, published in Proceedings of the 13th International Conference on Ion Sources, Gatlinburg, Tennessee, September 2009

Author

Akino, N., primary, Usui, K., additional, Endo, Y., additional, Oasa, K., additional, Oshima, K., additional, Kazawa, M., additional, Kawai, M., additional, Kikuchi, K., additional, Kojima, A., additional, Komata, M., additional, Sasaki, S., additional, Simizu, T., additional, Seki, N., additional, Nemoto, S., additional, Tanaka, Y., additional, Noto, K., additional, Hanada, M., additional, and Mogaki, K., additional

Published
2010
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18. Long pulse production of high current D[sup −] ion beams in the JT-60 negative ion source

Author

Hanada, M., primary, Kamada, M., additional, Akino, N., additional, Ebisawa, N., additional, Honda, A., additional, Kawai, M., additional, Kazawa, M., additional, Kikuchi, K., additional, Komata, M., additional, Mogaki, K., additional, Noto, K., additional, Ohshima, K., additional, Takenouchi, T., additional, Tanai, Y., additional, Usui, K., additional, Yamazaki, H., additional, Ikeda, Y., additional, and Grisham, L. R., additional

Published
2008
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19. Present status of the negative ion based NBI system for long pulse operation on JT-60U

Author

Ikeda, Y, primary, Umeda, N, additional, Akino, N, additional, Ebisawa, N, additional, Grisham, L, additional, Hanada, M, additional, Honda, A, additional, Inoue, T, additional, Kawai, M, additional, Kazawa, M, additional, Kikuchi, K, additional, Komata, M, additional, Mogaki, K, additional, Noto, K, additional, Okano, F, additional, Ohga, T, additional, Oshima, K, additional, Takenouchi, T, additional, Tanai, Y, additional, Usui, K, additional, Yamazaki, H, additional, and Yamamoto, T, additional

Published
2006
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20. Recent Activities of Negative Ion Based NBI System on JT-60U

Author

Ebisawa, N., primary, Akino, N., additional, Grisham, L., additional, Hanada, M., additional, Honda, A., additional, Inoue, T., additional, Kawai, M., additional, Kazawa, M., additional, Kikuchi, K., additional, Komata, M., additional, Mogaki, K., additional, Noto, K., additional, Okano, F., additional, Ohga, T., additional, Oshima, K., additional, Takenouchi, T., additional, Tanai, Y., additional, Umeda, N., additional, Usui, K., additional, Yamazaki, H., additional, Yamamoto, T., additional, and Ikeda, Y., additional

Published
2005
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21. Long Pulse Operation on NBI Systems for JT-60U

Author

Akino, N., primary, Ebisawa, N., additional, Honda, A., additional, Ikeda, Y., additional, Kawai, M., additional, Kazawa, M., additional, Mogaki, K., additional, Ohga, T., additional, Umeda, N., additional, Usui, K., additional, Yamamoto, T., additional, and Grisham, L., additional

Published
2005
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22. Development of the JT-60SA Neutral Beam Injectors.

Author

Hanada, M., Kojima, A., Inoue, T., Watanabe, K., Taniguchi, M., Kashiwagi, M., Tobari, H., Umeda, N., Akino, N., Kazawa, M., Oasa, K., Komata, M., Usui, K., Mogaki, K., Sasaki, S., Kikuchi, K., Nemoto, S., Ohshima, K., Endo, Y., and Simizu, T.

Subjects
NEUTRAL beams, ION sources, INJECTORS, ELECTRIC potential, ION bombardment, VACUUM, MAGNETIC shielding
Abstract

This paper describes the development of the neutral beam (NB) systems on JT-60SA, where 30-34 MW D0 beams are required to be injected for 100 s. A 30 s operation of the NB injectors suggests that existing beamline components and positive ion sources on JT-60U can be reused without the modifications on JT-60 SA. The JT-60 negative ion source was modified to improve the voltage holding capability, which leads to a successful acceleration of 2.8 A H- ion beam up to 500 keV of the rated acceleration energy for JT-60SA. [ABSTRACT FROM AUTHOR]

Published
2011
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23. Progress of Negative Ion Source Improvement in N-NBI for JT-60U

Author

Kawai, M., primary, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Hanada, M., additional, Honda, A., additional, Inoue, T., additional, Kazawa, M., additional, Kikuchi, K., additional, Kuriyama, M., additional, Kusanagi, N., additional, Mogaki, K., additional, Noto, K., additional, Ohga, T., additional, Ooshima, K., additional, Tanai, Y., additional, Umeda, N., additional, Usui, K., additional, Yamamoto, T., additional, Yamazaki, H., additional, and Watanabe, K., additional

Published
2003
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24. Improvement of beam performance in the negative-ion based NBI system for JT-60U

Author

Umeda, N, primary, Grisham, L.R, additional, Yamamoto, T, additional, Kuriyama, M, additional, Kawai, M, additional, Ohga, T, additional, Mogaki, K, additional, Akino, N, additional, Yamazaki, H, additional, Usui, K, additional, Honda, A, additional, Guangjiu, L, additional, Watanabe, K, additional, Inoue, T, additional, Hanada, M, additional, Kashiwagi, M, additional, Morishita, T, additional, Dairaku, M, additional, and Takayanagi, T, additional

Published
2003
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25. Operation and Development of the 500-keV Negative-Ion-Based Neutral Beam Injection System for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Umeda, N., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, and Yamamoto, T., additional

Published
2002
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28. Present status of the negative ion based neutral beam injector for JT-60U

Author

Ohga, T., primary, Umeda, N., additional, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Hikita, S., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Kuriyama, M., additional, Kusaka, M., additional, Mogaki, K., additional, Oohara, H., additional, Pengyuan, L., additional, Satoh, F., additional, Seki, H., additional, Tanai, Y., additional, Toyokawa, Y., additional, Usui, K., additional, Yamamoto, T., additional, and Yamazaki, H., additional

Published
2002
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29. Development of Negative ION Based NBI System for JT-60U

Author

Umeda, N., primary, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Hikita, S., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Kusaka, M., additional, Kusanagi, N., additional, Kuriyama, M., additional, Lee, P., additional, Mogaki, K., additional, Ohga, T., additional, Oohara, H., additional, Satoh, F., additional, Seki, H., additional, Seki, N., additional, Tanai, Y., additional, Toyokawa, R., additional, Usui, K., additional, and Yamazaki, H., additional

Published
2001
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30. Operation of the Positive-ION Based NBI System for JT-60U

Author

Oohara, H., primary, Akino, N., additional, Ebisawa, N., additional, Hikita, S., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Kusaka, M., additional, Kuriyama, M., additional, Mogaki, K., additional, Ohga, T., additional, Satoh, F., additional, Seki, H., additional, Tanai, Y., additional, Toyokawa, R., additional, Umeda, N., additional, Usui, K., additional, and Yamazaki, H., additional

Published
2001
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32. Power flow in the negative-ion based neutral beam injection for JT-60

Author

Kuriyama, M., primary, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Hikita, S., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Kusaka, M., additional, Mogaki, K., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Satoh, F., additional, Seki, H., additional, Tanai, Y., additional, Toyokawa, Y., additional, Umeda, N., additional, Usui, K., additional, Watanabe, K., additional, Yamaguchi, M., additional, and Yamazaki, H., additional

Published
2000
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33. Beamline performance of 500 keV negative ion-based NBI system for JT-60U

Author

Itoh, T., primary, Akino, N., additional, Aoyagi, T., additional, Ebisawa, N., additional, Honda, A., additional, Inoue, T., additional, Isozaki, N., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Kuriyama, M., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Ooshima, K., additional, Satoh, F., additional, Seki, H., additional, Toyokawa, R., additional, Takenouchi, T., additional, Usui, K., additional, Watanabe, K., additional, Yamazaki, T., additional, and Yamamoto, M., additional

Published
1998
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34. Operation of the negative-ion based NBI for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Aoyagi, T., additional, Ebisawa, N., additional, Isozaki, N., additional, Honda, A., additional, Inoue, T., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Ohshima, K., additional, Satoh, F., additional, Takenouchi, T., additional, Toyokawa, Y., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, Yamazaki, T., additional, and Zhou, C., additional

Published
1998
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35. Erratum: Achievement of High Fusion Performance in JT-60U Reversed Shear Discharges [Phys. Rev. Lett.79, 3917 (1997)]

Author

Ishida, S., primary, Fujita, T., additional, Akasaka, H., additional, Akino, N., additional, Annou, K., additional, Aoyagi, T., additional, Arai, T., additional, Arakawa, K., additional, Asakura, N., additional, Azumi, M., additional, Budny, R., additional, Chiba, S., additional, Da Costa, O., additional, Ebisawa, N., additional, Fujii, T., additional, Fukuda, T., additional, Funahashi, A., additional, Grisham, L., additional, Gunji, S., additional, Hamamatsu, K., additional, Hasegawa, Y., additional, Hatae, T., additional, Higashijima, S., additional, Hiratsuka, H., additional, Hirauchi, S., additional, Hirayama, T., additional, Honda, A., additional, Honda, M., additional, Hosogane, N., additional, Ichige, H., additional, Ide, S., additional, Ikeda, Y., additional, Isaka, M., additional, Isayama, A., additional, Isei, N., additional, Ishii, Y., additional, Isozaki, N., additional, Itami, K., additional, Itoh, T., additional, Iwahashi, T., additional, Kamada, Y., additional, Kaminaga, A., additional, Kashiwabara, T., additional, Kawai, M., additional, Kawamata, Y., additional, Kawano, Y., additional, Kazama, D., additional, Kazawa, M., additional, Kikuchi, M., additional, Kimura, H., additional, Kimura, T., additional, Kishimoto, H., additional, Kishimoto, Y., additional, Kitamura, S., additional, Kiyono, K., additional, Kodama, K., additional, Koide, Y., additional, Kokusen, S., additional, Kondoh, T., additional, Konoshima, S., additional, Koog, J., additional, Kramer, G. J., additional, Kubo, H., additional, Kurihara, K., additional, Kurita, G., additional, Kuriyama, M., additional, Kusama, Y., additional, Masaki, K., additional, Matsuda, T., additional, Matsumoto, T., additional, Matukawa, M., additional, Miura, T., additional, Miya, N., additional, Miyachi, K., additional, Miyata, H., additional, Miyo, Y., additional, Mogaki, K., additional, Mori, M., additional, Morimoto, M., additional, Morioka, S., additional, Moriyama, S., additional, Nagami, M., additional, Nagashima, A., additional, Nagashima, K., additional, Nagaya, S., additional, Naito, O., additional, Nakamura, Y., additional, Nemoto, M., additional, Neyatani, Y., additional, Nishitani, T., additional, Ogiwara, N., additional, Ohga, T., additional, Ohsawa, M., additional, Ohshima, T., additional, Oikawa, T., additional, Okabe, T., additional, Okano, J., additional, Omori, K., additional, Omori, S., additional, Omori, Y., additional, Onose, Y., additional, Oohara, H., additional, Ozeki, T., additional, Saidoh, M., additional, Saigusa, M., additional, Saito, N., additional, Sakasai, A., additional, Sakata, S., additional, Sakurai, S., additional, Sasajima, T., additional, Sato, M., additional, Scott, S. D., additional, Seimiya, M., additional, Seiki, H., additional, Seki, M., additional, Shimada, M., additional, Shimizu, K., additional, Shimizu, M., additional, Shimono, M., additional, Shinozaki, S., additional, Shirai, H., additional, Shitomi, M., additional, Suganuma, K., additional, Sugie, T., additional, Sunaoshi, H., additional, Takahashi, M., additional, Takahashi, S., additional, Takeji, S., additional, Takenaga, H., additional, Takizuka, T., additional, Tamai, H., additional, Terakado, M., additional, Terakado, T., additional, Tobita, K., additional, Tokuda, S., additional, Totsuka, T., additional, Toyokawa, Y., additional, Toyoshima, N., additional, Tsuchiya, K., additional, Tsugita, T., additional, Tsukahara, Y., additional, Tuda, T., additional, Uramoto, Y., additional, Ushigusa, K., additional, Usui, K., additional, Yagyu, J., additional, Yamagiwa, M., additional, Yamamoto, M., additional, Yamamoto, T., additional, Yamashita, O., additional, Yokokura, K., additional, Yoshida, H., additional, Yoshida, M., additional, and Yoshino, R., additional

Published
1998
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36. Achievement of High Fusion Performance in JT-60U Reversed Shear Discharges

Author

Ishida, S., primary, Fujita, T., additional, Akasaka, H., additional, Akino, N., additional, Annou, K., additional, Aoyagi, T., additional, Arai, T., additional, Arakawa, K., additional, Asakura, N., additional, Azumi, M., additional, Budny, R., additional, Chiba, S., additional, Da Costa, O., additional, Ebisawa, N., additional, Fujii, T., additional, Fukuda, T., additional, Funahashi, A., additional, Grisham, L., additional, Gunji, S., additional, Hamamatsu, K., additional, Hasegawa, Y., additional, Hatae, T., additional, Higashijima, S., additional, Hiratsuka, H., additional, Hirauchi, S., additional, Hirayama, T., additional, Honda, A., additional, Honda, M., additional, Hosogane, N., additional, Ichige, H., additional, Ide, S., additional, Ikeda, Y., additional, Isaka, M., additional, Isayama, A., additional, Isei, N., additional, Ishii, Y., additional, Isozaki, N., additional, Itami, K., additional, Itoh, T., additional, Iwahashi, T., additional, Kamada, Y., additional, Kaminaga, A., additional, Kashiwabara, T., additional, Kawai, M., additional, Kawamata, Y., additional, Kawano, Y., additional, Kazama, D., additional, Kazawa, M., additional, Kikuchi, M., additional, Kimura, H., additional, Kimura, T., additional, Kishimoto, H., additional, Kishimoto, Y., additional, Kitamura, S., additional, Kiyono, K., additional, Kodama, K., additional, Koide, Y., additional, Kokusen, S., additional, Kondoh, T., additional, Konoshima, S., additional, Koog, J., additional, Kramer, G. J., additional, Kubo, H., additional, Kurihara, K., additional, Kurita, G., additional, Kuriyama, M., additional, Kusama, Y., additional, Masaki, K., additional, Matsuda, T., additional, Matsumoto, T., additional, Matukawa, M., additional, Miura, T., additional, Miya, N., additional, Miyachi, K., additional, Miyata, H., additional, Miyo, Y., additional, Mogaki, K., additional, Mori, M., additional, Morimoto, M., additional, Morioka, S., additional, Moriyama, S., additional, Nagami, M., additional, Nagashima, A., additional, Nagashima, K., additional, Nagaya, S., additional, Naito, O., additional, Nakamura, Y., additional, Nemoto, M., additional, Neyatani, Y., additional, Nishitani, T., additional, Ogiwara, N., additional, Ohga, T., additional, Ohsawa, M., additional, Ohshima, T., additional, Oikawa, T., additional, Okabe, T., additional, Okano, J., additional, Omori, K., additional, Omori, S., additional, Omori, Y., additional, Onose, Y., additional, Oohara, H., additional, Ozeki, T., additional, Saidoh, M., additional, Saigusa, M., additional, Saito, N., additional, Sakasai, A., additional, Sakata, S., additional, Sakurai, S., additional, Sasajima, T., additional, Sato, M., additional, Scott, S. D., additional, Seimiya, M., additional, Seiki, H., additional, Seki, M., additional, Shimada, M., additional, Shimizu, K., additional, Shimizu, M., additional, Shimono, M., additional, Shinozaki, S., additional, Shirai, H., additional, Shitomi, M., additional, Suganuma, K., additional, Sugie, T., additional, Sunaoshi, H., additional, Takahashi, M., additional, Takahashi, S., additional, Takeji, S., additional, Takenaga, H., additional, Takizuka, T., additional, Tamai, H., additional, Terakado, M., additional, Terakado, T., additional, Tobita, K., additional, Tokuda, S., additional, Totsuka, T., additional, Toyokawa, Y., additional, Toyoshima, N., additional, Tsuchiya, K., additional, Tsugita, T., additional, Tsukahara, Y., additional, Tuda, T., additional, Uramoto, Y., additional, Ushigusa, K., additional, Usui, K., additional, Yagyu, J., additional, Yamagiwa, M., additional, Yamamoto, M., additional, Yamamoto, T., additional, Yamashita, O., additional, Yokokura, K., additional, Yoshida, H., additional, Yoshida, M., additional, and Yoshino, R., additional

Published
1997
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38. Beam acceleration test in negative-ion based NBI system for JT-60U

Author

Watanabe, K., primary, Akino, N., additional, Araki, M., additional, Ebisawa, N., additional, Fujiwara, Y., additional, Hanada, M., additional, Honda, A., additional, Inoue, T., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Kuriyama, M., additional, Miyamoto, K., additional, Miyamoto, N., additional, Mogaki, K., additional, Nagase, A., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Ohshima, K., additional, Satoh, F., additional, Takahashi, S., additional, Takenouchi, T., additional, Usami, H., additional, Usui, K., additional, Yamamoto, M., additional, and Yamazaki, T., additional

Published
1996
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39. High energy negative-ion based neutral beam injection system for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Araki, M., additional, Ebisawa, N., additional, Hanada, M., additional, Inoue, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Kunieda, T., additional, Matsuoka, M., additional, Miyamoto, K., additional, Mizuno, M., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Satoh, F., additional, Suzuki, T., additional, Takahashi, S., additional, Takayasu, T., additional, Usami, H., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, and Yamazaki, T., additional

Published
1995
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41. Long pulse production of high current D- ion beams in the JT-60 negative ion source.

Author

Hanada, M., Kamada, M., Akino, N., Ebisawa, N., Honda, A., Kawai, M., Kazawa, M., Kikuchi, K., Komata, M., Mogaki, K., Noto, K., Ohshima, K., Takenouchi, T., Tanai, Y., Usui, K., Yamazaki, H., Ikeda, Y., and Grisham, L. R.

Subjects
ION sources, NUCLEAR physics instruments, ELECTRON cyclotron resonance sources, IONS, PLASTICS, COMPOSITE materials
Abstract

The first long pulse production of high power D- ion beams has been demonstrated in the JT-60 U negative ion sources, each of which was designed to produce 22 A, 500 keV D- ion beams. Voltage holding capability and the grid power loading were examined for long pulse production of high power D- ion beams. From the correlation between voltage holding and the light intensity of cathodoluminescence from the Fiber Reinforced Plastic insulators, the acceleration voltage for stable voltage holding capability was found to be less than 320–340 kV where the light was sufficiently suppressed. By tuning the extraction voltage, the grid power loadings in the ion sources were decreased to the allowable levels for long pulse injection without a significant reduction of the beam power. After tuning the acceleration and extraction voltages, D- ion beams of 12.5 and 9.8 A were produced at 340 keV with cesium seeding at a rate of ∼14 μg/s into the ion sources. The pulse duration of these D- ion beams was extended step by step, and then was successfully extended up to 18 s without degradation of the negative ion production. The D- ion beams were neutralized to yield 3.6 MW D0 beams by a gas cell, and then injected into the JT-60 U plasma. Further, a slight reduction of D- ion beam power allowed the longer injection duration of 21 s at a D0 beam power of 3.2 MW. The success in the long pulse production of a high power D- ion beam shows that negative ion beams can be produced during a few tens of seconds without degradations of negative ion production and the voltage holding in a large Cs-seeded negative ion source. [ABSTRACT FROM AUTHOR]

Published
2008
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42. Recent results of LH experiments on the JT-60 tokamak

Author

Akaoka, N, primary, Akasaka, H, additional, Akiba, M, additional, Akino, N, additional, Ando, T, additional, Annou, K, additional, Aoyagi, T, additional, Arai, T, additional, Arakawa, K, additional, Araki, M, additional, Azumi, M, additional, Chiba, S, additional, Dairaku, M, additional, Ebisawa, N, additional, Fujii, T, additional, Fukuda, T, additional, Funahashi, A, additional, Furukawa, H, additional, Gunji, H, additional, Hamamatsu, K, additional, Hanada, M, additional, Hara, M, additional, Haraguchi, K, additional, Hiratsuka, H, additional, Hirayama, T, additional, Hiroki, S, additional, Hiruta, K, additional, Honda, M, additional, Horiike, H, additional, Hosogane, N, additional, Iida, Y, additional, Iijima, T, additional, Ikeda, K, additional, Ikeda, Y, additional, Imai, T, additional, Inoue, T, additional, Isaji, N, additional, Isaka, M, additional, Isei, N, additional, Ishida, S, additional, Itami, K, additional, Itige, N, additional, Ito, T, additional, Kakizaki, T, additional, Kamada, Y, additional, Kaminaga, A, additional, Kaneko, T, additional, Kawai, M, additional, Kawabe, M, additional, Kawamata, Y, additional, Kawano, Y, additional, Kikuchi, K, additional, Kikuchi, M, additional, Kimura, H, additional, Kimura, T, additional, Kishimoto, H, additional, Kitamura, S, additional, Kiyono, K, additional, Kodama, K, additional, Koide, Y, additional, Koide, T, additional, Kobayashi, T, additional, Komata, M, additional, Kondo, I, additional, Kondo, T, additional, Konoshima, S, additional, Kubo, H, additional, Kunieda, S, additional, Kurihara, K, additional, Kuriyama, M, additional, Kusaka, M, additional, Kusama, Y, additional, Kushima, T, additional, Maeno, M, additional, Matoba, T, additional, Matsuda, S, additional, Matsukawa, M, additional, Matsuoka, M, additional, Matsuzaki, Y, additional, Miura, Y, additional, Miya, N, additional, Miyachi, K, additional, Miyake, K, additional, Miyo, Y, additional, Mizuno, M, additional, Mogaki, K, additional, Moriyama, S, additional, Murakami, Y, additional, Muto, M, additional, Nagami, M, additional, Nagashima, A, additional, Nagashima, K, additional, Nagashima, T, additional, Nagaya, S, additional, Nagayama, K, additional, Naito, O, additional, Nakamura, H, additional, Nagafuji, T, additional, Nemoto, H, additional, Nemoto, M, additional, Neyatani, Y, additional, Ninomiya, H, additional, Nishino, N, additional, Nishitani, T, additional, Nobusaka, H, additional, Nomata, H, additional, Oikawa, A, additional, Obara, K, additional, Odajima, K, additional, Ogiwara, N, additional, Ohga, T, additional, Ohara, Y, additional, Oohara, H, additional, Ohshima, T, additional, Ohta, K, additional, Ohta, M, additional, Ohuchi, S, additional, Ohuchi, Y, additional, Okumura, H, additional, Omori, K, additional, Omori, S, additional, Omori, Y, additional, Ozeki, T, additional, Saegusa, M, additional, Saitoh, N, additional, Sakasai, A, additional, Sakata, S, additional, Sakuma, T, additional, Sasajima, T, additional, Satou, K, additional, Satou, M, additional, Sawahata, M, additional, Seimiya, M, additional, Seki, M, additional, Seki, S, additional, Shibanuma, K, additional, Shimada, M, additional, Shimizu, K, additional, Shimizu, M, additional, Shimomura, Y, additional, Shinozaki, S, additional, Shirai, H, additional, Shirakata, H, additional, Shitomi, M, additional, Suganuma, K, additional, Sugawara, T, additional, Sugie, T, additional, Sunaoshi, H, additional, Suzuki, M, additional, Suzuki, N, additional, Suzuki, S, additional, Tachibana, H, additional, Takahashi, M, additional, Takahashi, S, additional, Takahashi, T, additional, Takasaki, M, additional, Takatsu, H, additional, Takeuchi, H, additional, Takeshita, A, additional, Takizuka, T, additional, Tamura, S, additional, Tanaka, S, additional, Tanaka, T, additional, Tanaka, Y, additional, Tani, T, additional, Terakado, M, additional, Terakado, T, additional, Tobita, K, additional, Totsuka, T, additional, Toyoshima, N, additional, Tsugita, T, additional, Tsuji, S, additional, Tsukahara, Y, additional, Tsuneoka, M, additional, Uehara, K, additional, Uramoto, Y, additional, Usami, H, additional, Ushigusa, K, additional, Usui, K, additional, Yagyu, J, additional, Yamagishi, K, additional, Yamagiwa, M, additional, Yamamoto, M, additional, Yamashita, O, additional, Yamazaki, T, additional, Yokokura, K, additional, Yokoyama, K, additional, Yoshida, H, additional, Yoshida, Z, additional, Yoshino, R, additional, Yoshioka, Y, additional, Yonekawa, I, additional, and Watanabe, K, additional

Published
1990
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43. Beam deflection by plasma grid filter current in the negative-ion source for JT-60U neutral beam injection system.

Author

Umeda, N., Ikeda, Y., Hanada, M., Inoue, T., Kawai, M., Kazawa, M., Komata, M., Mogaki, K., and Ohga, T.

Subjects
LIGHT deflectors, ANIONS, NEUTRAL beams, MAGNETIC separators, MAGNETIC fields, ION bombardment, ION sources, ELECTRONS, ATOMS
Abstract

In the JT-60U negative-ion-based neutral beam injection system, the effect of negative ion and electron deflection by the plasma grid (PG) magnetic filter was studied. After a long-pulse operation of up to 19 s, a local melting was observed on the beamline near the ion source, facing the electron drift side of the PG magnetic field. It is confirmed that the experimental deflection of the negative-ion beam agrees well with the three-dimensional beam simulation result by taking account of the measured magnetic field. By using the code, it is found that some stripped electrons produced in the first acceleration gap pass through the down pitch of the multiple apertures in the next stage of acceleration grids, and then collide on the beamline around the melted location. [ABSTRACT FROM AUTHOR]

Published
2006
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44. Recent results in JT-60 experiments

Author

Nagami, M, primary, Aoki, I, additional, Akaoka, N, additional, Akasaka, H, additional, Akiba, M, additional, Akino, N, additional, Ando, T, additional, Annou, K, additional, Aoyagi, T, additional, Arai, T, additional, Arakawa, K, additional, Araki, M, additional, Azumi, M, additional, Chiba, S, additional, Dairaku, M, additional, Ebisawa, N, additional, Fujii, T, additional, Fukuda, T, additional, Funahashi, A, additional, Furukawa, H, additional, Gunji, H, additional, Hamamatsu, K, additional, Hanada, M, additional, Hara, M, additional, Haraguchi, K, additional, Hiratsuka, H, additional, Hirayama, T, additional, Hiroki, S, additional, Hiruta, K, additional, Honda, M, additional, Horiike, H, additional, Hosada, R, additional, Hosogane, N, additional, Iida, K, additional, Iida, Y, additional, Iijima, T, additional, Ikeda, K, additional, Ikeda, Y, additional, Imai, T, additional, Inoue, T, additional, Isaji, N, additional, Isaka, M, additional, Ishida, S, additional, Itami, K, additional, Itige, N, additional, Ito, T, additional, Kakizaki, T, additional, Kamada, Y, additional, Kaminaga, A, additional, Kaneko, T, additional, Kato, T, additional, Kawai, M, additional, Kawabe, M, additional, Kawamata, Y, additional, Kawano, Y, additional, Kawasaki, K, additional, Kikuchi, K, additional, Kikuchi, M, additional, Kimura, H, additional, Kimura, T, additional, Kishimoto, H, additional, Kitamura, S, additional, Kiyono, K, additional, Kobayashi, N, additional, Kodama, K, additional, Kurihata, Y, additional, Koide, Y, additional, Koike, T, additional, Komata, M, additional, Kondo, I, additional, Konoshima, S, additional, Kubo, H, additional, Kunieda, S, additional, Kurihara, K, additional, Kuriyama, M, additional, Kusaka, M, additional, Kusama, Y, additional, Kushima, T, additional, Mabuti, Y, additional, Maehara, S, additional, Maeno, K, additional, Matoba, T, additional, Matsuda, S, additional, Matsukawa, M, additional, Matsukawa, T, additional, Matsuoka, M, additional, Matsuzaki, Y, additional, Miura, Y, additional, Miya, N, additional, Miyachi, K, additional, Miyo, Y, additional, Mizuno, M, additional, Mogaki, K, additional, Moriyama, S, additional, Murakami, Y, additional, Muto, M, additional, Nagami, M, additional, Nagase, K, additional, Nagashima, A, additional, Nagashima, K, additional, Nagashima, T, additional, Nagaya, S, additional, Naito, O, additional, Nakamura, H, additional, Nemoto, H, additional, Nemoto, M, additional, Neyatani, Y, additional, Ninomiya, H, additional, Nishino, N, additional, Nishitani, T, additional, Nobusaka, H, additional, Nomata, H, additional, Obara, K, additional, Odajima, K, additional, Ogawa, Y, additional, Ogiwara, N, additional, Ohga, T, additional, Ohara, Y, additional, Oohara, H, additional, Ohshima, T, additional, Ohta, K, additional, Ohta, M, additional, Ohuchi, S, additional, Ohuchi, Y, additional, Okumura, H, additional, Okumura, Y, additional, Omori, K, additional, Omori, S, additional, Omori, Y, additional, Ozeki, T, additional, Saegusa, M, additional, Saitoh, N, additional, Sakasai, A, additional, Sakata, S, additional, Sasajima, T, additional, Sato, K, additional, Sato, M, additional, Sawahata, M, additional, Sebata, T, additional, Seimiya, M, additional, Seki, M, additional, Seki, S, additional, Shibanuma, K, additional, Shimada, M, additional, Shimada, R, additional, Shimizu, K, additional, Shimizu, M, additional, Shimomura, Y, additional, Shinozaki, S, additional, Shirai, H, additional, Shirakata, H, additional, Shitomi, M, additional, Suganuma, K, additional, Sugawara, T, additional, Sugie, T, additional, Sunaoshi, H, additional, Suzuki, M, additional, Suzuki, N, additional, Suzuki, S, additional, Tachibana, H, additional, Takahashi, M, additional, Takahashi, S, additional, Takahashi, T, additional, Takasaki, M, additional, Takatsu, H, additional, Takeuchi, H, additional, Takeshita, A, additional, Takizuka, T, additional, Tamura, S, additional, Tanaka, S, additional, Tanaka, T, additional, Tanaka, Y, additional, Tani, K, additional, Terakado, M, additional, Terakado, T, additional, Tobita, K, additional, Totsuka, T, additional, Toyoshima, N, additional, Tsuda, F, additional, Tsugita, T, additional, Tsuji, S, additional, Tsukahara, Y, additional, Tsuneoka, M, additional, Uehara, K, additional, Uramoto, Y, additional, Usami, H, additional, Ushigusa, K, additional, Usui, K, additional, Yagyu, J, additional, Yamagiwa, M, additional, Yamamoto, M, additional, Yamashita, O, additional, Yamazaki, T, additional, Yokokura, K, additional, Yokoyama, K, additional, Yoshikawa, K, additional, Yoshida, H, additional, Yoshino, R, additional, Yoshioka, Y, additional, Yonekawa, I, additional, Yoneda, T, additional, and Watanabe, K, additional

Published
1989
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45. Development of negative ion beam accelerators for high power neutral beam systems

Author

Watanabe, K., primary, Ebisawa, N., additional, Fujiwara, Y., additional, Honda, A., additional, Inoue, T., additional, Kazawa, M., additional, Kuriyama, M., additional, Miyamoto, K., additional, Miyamoto, N., additional, Mogaki, K., additional, Nagase, A., additional, Ohara, Y., additional, Okumura, Y., additional, Takayasu, T., additional, Usami, H., additional, and Usui, K., additional

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46. Negative-ion based NBI system for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Aoyagi, T., additional, Araki, M., additional, Ebisawa, N., additional, Fujiwara, Y., additional, Honda, A., additional, Inoue, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Miyamoto, K., additional, Miyamoto, N., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Okumura, Y., additional, Oohara, H., additional, Ohshima, K., additional, Satoh, F., additional, Shimizu, K., additional, Takahashi, S., additional, Usami, H., additional, Usui, K., additional, Watanabe, K., additional, Yamamoto, M., additional, Yamazaki, T., additional, Ono, Y., additional, and Kawashima, S., additional

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47. High power beam operation with the negative-ion based NBI for JT-60U

Author

Kuriyama, M., primary, Akino, N., additional, Ebisawa, N., additional, Grisham, L., additional, Hanada, M., additional, Honda, A., additional, Itoh, T., additional, Kawai, M., additional, Kazawa, M., additional, Koizumi, J., additional, Mogaki, K., additional, Ohara, Y., additional, Ohga, T., additional, Ohmori, K., additional, Okumura, Y., additional, Oohara, H., additional, Ohshima, K., additional, Satoh, F., additional, Seki, H., additional, Takenouchi, T., additional, Tanai, Y., additional, Toyokawa, Y., additional, Usui, K., additional, Watanabe, K., additional, Yamazaki, H., additional, and Yamazaki, T., additional

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49. Negative-ion based NBI system for JT-60U.

Author

Kuriyama, M., Akino, N., Aoyagi, T., Araki, M., Ebisawa, N., Fujiwara, Y., Honda, A., Inoue, T., Kawai, M., Kazawa, M., Koizumi, J., Miyamoto, K., Miyamoto, N., Mogaki, K., Ohara, Y., Ohga, T., Okumura, Y., Oohara, H., Ohshima, K., and Satoh, F.

Published
1995
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