Achievement of high power and long pulse negative ion beam acceleration for JT-60SA NBI von Hiratsuka, J., Kashiwagi, M., Ichikawa, M., Umeda, N., Saquilayan, G. Q., Tobari, H., Watanabe, K., Kojima, A., Yoshida, M.

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Modelling of plasma discharge in a filament negative ion source von Candeloro, V, Sartori, E, Kisaki, M, Kashiwagi, M, Tobari, H, Serianni, G

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Study of beamlets extracted from a multi-aperture and five-stage acceleration system von Kashiwagi, M., Kisaki, M., Saquilayan, G. Q., Kojima, A., Hiratsuka, J., Ichikawa, M., Shimabukuro, Y., Murayama, M., Tobari, H.

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Reverse trajectory analysis of the hydrogen negative ion beam in a prototype accelerator for ITER von Kisaki, M, Kojima, A, Saquilayan, G Q, Hiratsuka, J, Ichikawa, M, Shimabukuro, Y, Murayama, M, Watanabe, K, Tobari, H, Kashiwagi, M

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Beam Optics Study during Long-Pulse MeV-Class Beam Operation for the ITER HNB von Tanaka, Y, Kisaki, M, Suzuki, K, Hiratsuka, J, Murayama, M, Ichikawa, M, Tobari, H, Kashiwagi, M

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Development of air-cooled plasma grid system for long-pulse negative ion beam acceleration with ITER-relevant perveance von Kisaki, M., Tanaka, Y., Suzuki, K., Hiratsuka, J., Murayama, M., Ichikawa, M., Tobari, H., Kashiwagi, M.

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Progress in long-pulse production of powerful negative ion beams for JT-60SA and ITER von Kojima, A., Umeda, N., Hanada, M., Yoshida, M., Kashiwagi, M., Tobari, H., Watanabe, K., Akino, N., Komata, M., Mogaki, K., Sasaki, S., Seki, N., Nemoto, S., Shimizu, T., Endo, Y., Ohasa, K., Dairaku, M., Yamanaka, H., Grisham, L.R.

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Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency von Hanada, M, Kojima, A, Tobari, H, Nishikiori, R, Hiratsuka, J, Kashiwagi, M, Umeda, N, Yoshida, M, Ichikawa, M, Watanabe, K, Yamano, Y, Grisham, L R

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Development of design technique for vacuum insulation in large size multi-aperture multi-grid accelerator for nuclear fusion von Kojima, A, Hanada, M, Tobari, H, Nishikiori, R, Hiratsuka, J, Kashiwagi, M, Umeda, N, Yoshida, M, Ichikawa, M, Watanabe, K, Yamano, Y, Grisham, L R

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Development of negative ion extractor in the high-power and long-pulse negative ion source for fusion application von Kashiwagi, M, Umeda, N, Tobari, H, Kojima, A, Yoshida, M, Taniguchi, M, Dairaku, M, Maejima, T, Yamanaka, H, Watanabe, K, Inoue, T, Hanada, M

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Application of Thomson scattering system toward direct measurement of extraction surface of the negative ion beam von Hiratsuka, J, Tomita, K, Kashiwagi, M, Kojima, A, Saquilayan, G Q, Kaihori, T, Ichikawa, M, Kisaki, M, Tobari, H, Watanabe, K

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Demonstration of 1 MV insulation for the vacuum insulated beam source in the ITER neutral beam system von Kojima, A., Tobari, H., Umeda, N., Kashiwagi, M., Ichikawa, M., Hiratsuka, J., Shibata, N., Yamashita, Y., Dairaku, M., Yamanaka, H., Watanabe, K., Yamano, Y., Grisham, L.R.

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Final design of the beam source for the MITICA injector von Marcuzzi, D, Agostinetti, P, Dalla Palma, M, De Muri, M, Chitarin, G, Gambetta, G, Marconato, N, Pasqualotto, R, Pavei, M, Pilan, N, Rizzolo, A, Serianni, G, Toigo, V, Trevisan, L, Visentin, M, Zaccaria, P, Zaupa, M, Boilson, D, Graceffa, J, Hemsworth, R S, Choi, C H, Marti, M, Roux, K, Singh, M J, Masiello, A, Froeschle, M, Heinemann, B, Nocentini, R, Riedl, R, Tobari, H, de Esch, H P L, Muvvala, V N

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Suppression of damages on cathodes in the negative hydrogen ion source for the stable NBI system von Shimabukuro, Y, Hiratsuka, J, Ichikawa, M, Murayama, M, Saquilayan, G, Kisaki, M, Kojima, A, Tobari, H, Kashiwagi, M

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Strategy for Vacuum Insulation Tests of MITICA 1 MV Electrostatic Accelerator von Chitarin, G., Kojima, A., Boldrin, M., Luchetta, A., Marcuzzi, D., Zaccaria, P., Zanotto, L., Toigo, V., Aprile, D., Marconato, N., Patton, T., Pilan, N., Barbato, P., Berton, G., Breda, M., Dan, M., Fincato, M., Lotto, L., Rigoni-Garola, A., Sartori, E., Tollin, M., Valente, M., Grando, L., Pomaro, N., De Lorenzi, A., Hiratsuka, J., Ichikawa, M., Kisaki, M., Murayama, M., Saquilayan, G. M., Tobari, H., Umeda, N., Watanabe, K., Kashiwagi, M.

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Long-pulse beam acceleration of MeV-class H(-) ion beams for ITER NB accelerator von Umeda, N, Kashiwagi, M, Taniguchi, M, Tobari, H, Watanabe, K, Dairaku, M, Yamanaka, H, Inoue, T, Kojima, A, Hanada, M

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High Power Density Beam Measurement of a Single Beamlet Multi-Grid Prototype H- Negative Ion Accelerator von Saquilayan, G Q, Kisaki, M, Kojima, A, Shimabukuro, Y, Murayama, M, Hiratsuka, J, Ichikawa, M, Watanabe, K, Tobari, H, Kashiwagi, M

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Achievement and improvement of the JT-60U negative ion source for JT-60 Super Advanced (invited) von Kojima, A., Hanada, M., Tanaka, Y., Inoue, T., Watanabe, K., Taniguchi, M., Kashiwagi, M., Umeda, N., Tobari, H., Grisham, L. R.

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DC Ultrahigh Voltage Insulation Technology for 1 MV Power Supply System for Fusion Application von Tobari, H., Watanabe, K., Kashiwagi, M., Yamanaka, H., Maejima, T., Terunuma, Y., Kojima, A., Dairaku, M., Hanada, M.

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Recent improvements to the ITER neutral beam system design von Grisham, L.R., Agostinetti, P., Barrera, G., Blatchford, P., Boilson, D., Chareyre, J., Chitarin, G., de Esch, H.P.L., De Lorenzi, A., Franzen, P., Fantz, U., Gagliardi, M., Hemsworth, R.S., Kashiwagi, M., King, D., Krylov, A., Kuriyama, M., Marconato, N., Marcuzzi, D., Roccella, M., Rios, L., Panasenkov, A., Pilan, N., Pavei, M., Rizzolo, A., Sartori, E., Serianni, G., Sonato, P., Pilard, V., Tanaka, M., Tobari, H., Veltri, P., Zaccaria, P.

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