Investigation of Negative Ion Energy Distribution and Extraction Mechanism With a Compact Retarding Field Energy Analyzer in a Large Filament-Arc Source for Neutral Beam Injectors

Authors: Sartori, E., Poggi, C., Ugoletti, M., Brombin, M., Pimazzoni, A., Kisaki, M., Nakano, H., Tsumori, K., Laterza, B., Franchin, L., Cervaro, V., Moro, G., Agostinetti, P., Delogu, R., Marconato, N., Serianni, G.

Source: IEEE Transactions on Plasma Science IEEE Trans. Plasma Sci. Plasma Science, IEEE Transactions on. 50(11):3897-3905 Nov, 2022

Strategy for Vacuum Insulation Tests of MITICA 1 MV Electrostatic Accelerator

Authors: 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.

Source: IEEE Transactions on Plasma Science IEEE Trans. Plasma Sci. Plasma Science, IEEE Transactions on. 50(9):2755-2762 Sep, 2022

Vacuum Insulation in Negative Ion Accelerator with Long Gap and Large Surface for Fusion Application

Authors: Kojima, A., Murayama, M., Kisaki, M., Watanabe, K., Shibata, N., Tobari, H., Ichikawa, M., Hiratsuka, J., Saquilayan, G. Q., Shimabukuro, Y., Kashiwagi, M., Yamano, Y.

Source: 2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV) Discharges and Electrical Insulation in Vacuum (ISDEIV), 2020 29th International Symposium on. :420-425 Sep, 2021

Relation: 2021 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)

LHD accomplishments/plans in support of fusion next-steps

Authors: Imagawa, S., Takeiri, Y., Mutoh, T., Mito, T., Chikaraishi, H., Hamaguchi, S., Igami, H., Ikeda, K., Iwamoto, A., Kasahara, H., Kisaki, M., Kubo, S., Nagaoka, K., Nakano, H., Osakabe, M., Obana, T., Saito, K., Seki, T., Shimozuma, T., Takahashi, H., Takahata, K., Tamura, H., Tsumori, K., Yamada, S., Yanagi, N., Yoshimura, Y., Yamada, H., Kaneko, O., Komori, A.

Source: 2013 IEEE 25th Symposium on Fusion Engineering (SOFE) Fusion Engineering (SOFE), 2013 IEEE 25th Symposium on. :1-8 Jun, 2013

Relation: 2013 IEEE 25th Symposium on Fusion Engineering (SOFE)

Development of a set of movable electrostatic probes to characterize the plasma in the ITER neutral beam negative-ion source prototype

Authors: Sartori, E. ^*, Brombin, M., Laterza, B., Zuin, M., Cavazzana, R., Cervaro, V., Degli Agostini, F., Fadone, M., Fasolo, D., Grando, L., Jain, P., Kisaki, M., Maistrello, A, Moro, G, Pimazzoni, A., Poggi, C., Segalini, B., Shepherd, A., Spolaore, M., Taliercio, C., Tollin, M., Ugoletti, M., Veltri, P., Zamengo, A., Serianni, G.

Source: In Fusion Engineering and Design August 2021 169

Energy Spectra of Bremsstrahlung X-Rays Emitted From an FRP Insulator

Authors: Tanaka, Y., Ikeda, Y., Hanada, M., Kobayashi, K., Kamada, M., Kisaki, M., Akino, N., Yamano, Y., Kobayashi, S., Grisham, L. R.

Source: IEEE Transactions on Plasma Science IEEE Trans. Plasma Sci. Plasma Science, IEEE Transactions on. 37(8):1495-1498 Aug, 2009

Energy spectra of x-ray emitted from surface of FRP insulator

Authors: Tanaka, Y., Ikeda, Y., Hanada, M., Kobayashi, K., Kamada, M., Kisaki, M., Akino, N., Yamano, Y., Kobayashi, S., Grisham, L. R.

Source: 2008 23rd International Symposium on Discharges and Electrical Insulation in Vacuum Discharges and Electrical Insulation in Vacuum, 2008. ISDEIV 2008. 23rd International Symposium on. 2:545-548 Sep, 2008

Relation: 2008 XXIII International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV 2008)

Response of H− ions to extraction field in a negative hydrogen ion source

Authors: Geng, S., Tsumori, K., Nakano, H., Kisaki, M., Ikeda, K., Osakabe, M., Nagaoka, K., Takeiri, Y., Shibuya, M.

Source: In Fusion Engineering and Design November 2017 123:481-484

Beam Optics Study during Long-Pulse MeV-Class Beam Operation for the ITER HNB.

Authors: Tanaka, Y, Kisaki, M, Suzuki, K, Hiratsuka, J, Murayama, M, Ichikawa, M, Tobari, H, Kashiwagi, M

Source: Journal of Physics: Conference Series; 2024, Vol. 2743 Issue 1, p1-5, 5p

Development of air-cooled plasma grid system for long-pulse negative ion beam acceleration with ITER-relevant perveance.

Authors: Kisaki, M., Tanaka, Y., Suzuki, K., Hiratsuka, J., Murayama, M., Ichikawa, M., Tobari, H., Kashiwagi, M.

Source: Journal of Physics: Conference Series; 2024, Vol. 2743 Issue 1, p1-5, 5p

Modelling of plasma discharge in a filament negative ion source.

Authors: Candeloro, V, Sartori, E, Kisaki, M, Kashiwagi, M, Tobari, H, Serianni, G

Source: Journal of Physics: Conference Series; 2024, Vol. 2743 Issue 1, p1-6, 6p

Angle-resolved intensity and energy distributions of positive and negative hydrogen ions released from tungsten surface by molecular hydrogen ion impact

Authors: Kato, S., Tanaka, N., Sasao, M., Kisaki, M., Tsumori, K., Nishiura, M., Matsumoto, Y., Kenmotsu, T., Wada, M., Yamaoka, H.

Source: In Journal of Nuclear Materials August 2015 463:351-354

Fine-structure characteristics in the emittance images of a strongly focusing He+ beam.

Authors: Sasao, M., Kobuchi, T., Kisaki, M.

Source: Review of Scientific Instruments; Feb2010, Vol. 81 Issue 2, p02B115-1-02B115-3, 3p

The Stress Field Caused by a Circular Cylindrical Inclusion in a Transversely Isotropic Elastic Solid.

Authors: Hasegawa, H., Kisaki, M.

Source: Journal of Applied Mechanics; November 2003, Vol. 70 Issue 6, p825-831, 7p

Study of beamlets extracted from a multi-aperture and five-stage acceleration system.

Authors: Kashiwagi, M.¹ (AUTHOR) kashiwagi.mieko@qst.go.jp, Kisaki, M.¹ (AUTHOR), Saquilayan, G. Q.¹ (AUTHOR), Kojima, A.¹ (AUTHOR), Hiratsuka, J.¹ (AUTHOR), Ichikawa, M.¹ (AUTHOR), Shimabukuro, Y.¹ (AUTHOR), Murayama, M.¹ (AUTHOR), Tobari, H.¹ (AUTHOR)

Source: Review of Scientific Instruments. May2022, Vol. 93 Issue 5, p1-10. 10p.

Subject Terms: *BEAM optics, *ION beams, *SPACE charge, *ANIONS, *HEATING load, *MAGNETIC fields

Validation of the distribution of stripping loss neutrals in the accelerator of the negative ion source.

Authors: Ikeda, K.¹ (AUTHOR) ikeda.katsunori@nifs.ac.jp, Kisaki, M.^1,2 (AUTHOR), Nakano, H.^1,2 (AUTHOR), Tsumori, K.^1,2 (AUTHOR), Nagaoka, K.^1,3 (AUTHOR), Fujiwara, Y.¹ (AUTHOR), Masaki, S.² (AUTHOR), Rattanawongnara, E.² (AUTHOR), Osakabe, M.^1,2 (AUTHOR)

Source: AIP Conference Proceedings. 2021, Vol. 2373 Issue 1, p1-8. 8p.

Subject Terms: *ION accelerators, *ANIONS, *ION sources, *DOPPLER effect, *PARTICLE beams, *PLASMA beam injection heating, *SOLVENT extraction

Plasma electrode shape suitable for plasma electrode performance study.

Authors: Bito, K., Sasao, M., Kisaki, M., Wada, M.

Source: AIP Conference Proceedings; 2021, Vol. 2373 Issue 1, p1-6, 6p

Subject Terms: PLASMA electrodes, ELECTRODE performance, ION sources, ELECTRON cyclotron resonance sources, PERFORMANCE theory

NIBS2020 poster Q+A.

Authors: Bito, K., Faircloth, D., Gamba, D., Heiler, A., Hernandez, J., Huh, S., Kisaki, M., Lawrie, S., Li, Z., Shi, C., Shimabukuro, Y., Wang, J., Wang, N., Wang, R., Xu, Y.

Source: AIP Conference Proceedings; 2021, Vol. 2373 Issue 1, p1-12, 12p

Subject Terms: POSTER presentations, POSTERS, MANUSCRIPTS

Development of the directional Langmuir probe for the charged particle flow measurement.

Authors: Masaki, S., Nakano, H., Kisaki, M., Rattanawongnara, E., Nagaoka, K., Ikeda, K., Fujiwara, Y., Osakabe, M., Tsumori, K.

Source: AIP Conference Proceedings; 2021, Vol. 2373 Issue 1, p1-7, 7p

Subject Terms: GRANULAR flow, LANGMUIR probes, FLOW measurement, ANIONS, CATIONS, ION beams, DEFLECTION (Mechanics)

Damage to N-NBI systems due to positive ion back-streaming.

Authors: Wada, M., Kenmotsu, T., Ikeda, K., Kisaki, M., Nakano, H., Tsumori, K.

Source: AIP Conference Proceedings; 2021, Vol. 2373 Issue 1, p1-7, 7p

Subject Terms: CATIONS, ION energy, POSITIVE systems, GRAZING incidence, FAILURE mode & effects analysis, ION beams, DEUTERIUM