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1. Lessons learned after three years of SPIDER operation and the first MITICA integrated tests

Author

Marcuzzi, D., Toigo, V., Boldrin, M., Chitarin, G., Bello, S. Dal, Grando, L., Luchetta, A., Pasqualotto, R., Pavei, M., Serianni, G., Zanotto, L., Agnello, R., Agostinetti, P., Agostini, M., Aprile, D., Barbisan, M., Battistella, M., Berton, G., Bigi, M., Brombin, M., Candela, V., Candeloro, V., Canton, A., Casagrande, R., Cavallini, C., Cavazzana, R., Cordaro, L., Cruz, N., Palma, M. Dalla, Dan, M., De Lorenzi, A., Delogu, R., De Muri, M., De Nardi, M., Denizeau, S., Fadone, M., Fellin, F., Ferro, A., Gaio, E., Gasparrini, C., Gnesotto, F., Jain, P., La Rosa, A., Lopez-Bruna, D., Lorenzini, R., Maistrello, A., Manduchi, G., Manfrin, S., Marconato, N., Mario, I., Martini, G., Milazzo, R., Patton, T., Peruzzo, S., Pilan, N., Pimazzoni, A., Poggi, C., Pomaro, N., Pouradier-Duteil, B., Recchia, M., Rigoni-Garola, A., Rizzetto, D., Rizzolo, A., Santoro, F., Sartori, E., Segalini, B., Shepherd, A., Siragusa, M., Sonato, P., Sottocornola, A., Spada, E., Spagnolo, S., Spolaore, M., Taliercio, C., Tinti, P., Tomsič, P., Trevisan, L., Ugoletti, M., Valente, M., Valisa, M., Veronese, F., Vignando, M., Zaccaria, P., Zagorski, R., Zaniol, B., Zaupa, M., Zuin, M., Cavenago, M., Boilson, D., Rotti, C., Decamps, H., Geli, F., Sharma, A., Veltri, P., Zacks, J., Simon, M., Paolucci, F., Garbuglia, A., Gutierrez, D., Masiello, A., Mico, G., Labate, C., Readman, P., Bragulat, E., Bailly-Maitre, L., Gomez, G., Kouzmenko, G., Albajar, F., Kashiwagi, M., Tobari, H., Kojima, A., Murayama, M., Hatakeyama, S., Oshita, E., Maejima, T., Shibata, N., Yamashita, Y., Watanabe, K., Singh, N. P., Singh, M. J., Dhola, H., Fantz, U., Heinemann, B., Wimmer, C., Wünderlich, D., Tsumori, K., Croci, G., Gorini, G., Muraro, A., Rebai, M., Tardocchi, M., Giacomelli, L., Rigamonti, D., Taccogna, F., Bruno, D., Rutigliano, M., Longo, S., Deambrosis, S., Miorin, E., Montagner, F., Tonti, A., and Panin, F.

Subjects
Physics - Plasma Physics, Physics - Accelerator Physics
Abstract

ITER envisages the use of two heating neutral beam injectors plus an optional one as part of the auxiliary heating and current drive system. The 16.5 MW expected neutral beam power per injector is several notches higher than worldwide existing facilities. A Neutral Beam Test Facility (NBTF) was established at Consorzio RFX, exploiting the synergy of two test beds, SPIDER and MITICA. SPIDER is dedicated to developing and characterizing large efficient negative ion sources at relevant parameters in ITER-like conditions: source and accelerator located in the same vacuum where the beam propagates, immunity to electromagnetic interferences of multiple radio-frequency (RF) antennas, avoidance of RF-induced discharges on the outside of the source. Three years of experiments on SPIDER have addressed to the necessary design modifications to enable full performances. The source is presently under a long shut-down phase to incorporate learnings from the experimental campaign. Parallelly, developments on MITICA, the full-scale prototype of the ITER NBI featuring a 1 MV accelerator and ion neutralization, are underway including manufacturing of in-vessel components, while power supplies and auxiliary plants are already under final testing and commissioning. Integration, commissioning and tests of the 1MV power supplies are essential for this first-of-kind system, unparalleled both in research and industry field. The integrated test to confirm 1MV output by combining invertor systems, DC generators and transmission lines extracted errors/accidents in some components. To realize a concrete system for ITER, solutions for the repair and the improvement of the system were developed. Hence, NBTF is emerging as a necessary facility, due to the large gap with existing injectors, effectively dedicated to identify issues and find solutions to enable successful ITER NBI operations in a time bound fashion.

Published
2023
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2. On the road to ITER NBIs: SPIDER improvement after first operation and MITICA construction progress

Author

Toigo, V., Marcuzzi, D., Serianni, G., Boldrin, M., Chitarin, G., Bello, S. Dal, Grando, L., Luchetta, A., Pasqualotto, R., Zaccaria, P., Zanotto, L., Agnello, R., Agostinetti, P., Agostini, M., Antoni, V., Aprile, D., Barbisan, M., Battistella, M., Berton, G., Bigi, M., Brombin, M., Candeloro, V., Canton, A., Casagrande, R., Cavallini, C., Cavazzana, R., Cordaro, L., Cruz, N., Palma, M. Dalla, Dan, M., De Lorenzi, A., Delogu, R., De Muri, M., Denizeau, S., Fadone, M., Fellin, F., Ferro, A., Gaio, E., Gasparini, F., Gasparrini, C., Gnesotto, F., Jain, P., Krastev, P., Lopez-Bruna, D., Lorenzini, R., Maistrello, A., Manduchi, G., Manfrin, S., Marconato, N., Martines, E., Martini, G., Martini, S., Milazzo, R., Patton, T., Pavei, M., Peruzzo, S., Pilan, N., Pimazzoni, A., Poggi, C., Pomaro, N., Pouradier-Duteil, B., Recchia, M., Rigoni-Garola, A., Rizzolo, A., Sartori, E., Shepherd, A., Siragusa, M., Sonato, P., Sottocornola, A., Spada, E., Spagnolo, S., Spolaore, M., Taliercio, C., Terranova, D., Tinti, P., Tomsič, P., Trevisan, L., Ugoletti, M., Valente, M., Vignando, M., Zagorski, R., Zamengo, A., Zaniol, B., Zaupa, M., Zuin, M., Cavenago, M., Boilson, D., Rotti, C., Veltri, P., Decamps, H., Dremel, M., Graceffa, J., Geli, F., Urbani, M., Zacks, J., Bonicelli, T., Paolucci, F., Garbuglia, A., Agarici, G., Gomez, G., Gutierrez, D., Kouzmenko, G., Labate, C., Masiello, A., Mico, G., Moreno, J-F, Pilard, V., Rousseau, A., Simon, M., Kashiwagi, M., Tobari, H., Watanabe, K., Maejima, T., Kojima, A., Oshita, E., Yamashita, Y., Konno, S., Singh, M., Chakraborty, A., Patel, H., Singh, N.P., Fantz, U., Bonomo, F., Cristofaro, S., Heinemann, B., Kraus, W., Wimmer, C., Wünderlich, D., Fubiani, G., Tsumori, K., Croci, G., Gorini, G., McCormack, O., Muraro, A., Rebai, M., Tardocchi, M., Giacomelli, L., Rigamonti, D., Taccogna, F., Bruno, D., Rutigliano, M., D'Arienzo, M., Tonti, A., and Panin, F.

Published
2021
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4. Lessons learned after three years of SPIDER operation and the first MITICA integrated tests

Author

Marcuzzi, D, Toigo, V, Boldrin, M, Chitarin, G, Dal Bello, S, Grando, L, Luchetta, A, Pasqualotto, R, Pavei, M, Serianni, G, Zanotto, L, Agnello, R, Agostinetti, P, Agostini, M, Aprile, D, Barbisan, M, Battistella, M, Berton, G, Bigi, M, Brombin, M, Candela, V, Candeloro, V, Canton, A, Casagrande, R, Cavallini, C, Cavazzana, R, Cordaro, L, Cruz, N, Dalla Palma, M, Dan, M, De Lorenzi, A, Delogu, R, De Muri, M, De Nardi, M, Denizeau, S, Fadone, M, Fellin, F, Ferro, A, Gaio, E, Gasparrini, C, Gnesotto, F, Jain, P, La Rosa, A, Lopez-Bruna, D, Lorenzini, R, Maistrello, A, Manduchi, G, Manfrin, S, Marconato, N, Mario, I, Martini, G, Milazzo, R, Patton, T, Peruzzo, S, Pilan, N, Pimazzoni, A, Poggi, C, Pomaro, N, Pouradier-Duteil, B, Recchia, M, Rigoni-Garola, A, Rizzetto, D, Rizzolo, A, Santoro, F, Sartori, E, Segalini, B, Shepherd, A, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Tinti, P, Tomsic, P, Trevisan, L, Ugoletti, M, Valente, M, Valisa, M, Veronese, F, Vignando, M, Zaccaria, P, Zagorski, R, Zaniol, B, Zaupa, M, Zuin, M, Cavenago, M, Boilson, D, Rotti, C, Decamps, H, Geli, F, Sharma, A, Veltri, P, Zacks, J, Simon, M, Paolucci, F, Garbuglia, A, Gutierrez, D, Masiello, A, Mico, G, Labate, C, Readman, P, Bragulat, E, Bailly-Maitre, L, Gomez, G, Kouzmenko, G, Albajar, F, Kashiwagi, M, Tobari, H, Kojima, A, Murayama, M, Hatakeyama, S, Oshita, E, Maejima, T, Shibata, N, Yamashita, Y, Watanabe, K, Singh, N, Singh, M, Dhola, H, Fantz, U, Heinemann, B, Wimmer, C, Wunderlich, D, Tsumori, K, Croci, G, Gorini, G, Muraro, A, Rebai, M, Tardocchi, M, Giacomelli, L, Rigamonti, D, Taccogna, F, Bruno, D, Rutigliano, M, Longo, S, Deambrosis, S, Miorin, E, Montagner, F, Tonti, A, Panin, F, Marcuzzi D., Toigo V., Boldrin M., Chitarin G., Dal Bello S., Grando L., Luchetta A., Pasqualotto R., Pavei M., Serianni G., Zanotto L., Agnello R., Agostinetti P., Agostini M., Aprile D., Barbisan M., Battistella M., Berton G., Bigi M., Brombin M., Candela V., Candeloro V., Canton A., Casagrande R., Cavallini C., Cavazzana R., Cordaro L., Cruz N., Dalla Palma M., Dan M., De Lorenzi A., Delogu R., De Muri M., De Nardi M., Denizeau S., Fadone M., Fellin F., Ferro A., Gaio E., Gasparrini C., Gnesotto F., Jain P., La Rosa A., Lopez-Bruna D., Lorenzini R., Maistrello A., Manduchi G., Manfrin S., Marconato N., Mario I., Martini G., Milazzo R., Patton T., Peruzzo S., Pilan N., Pimazzoni A., Poggi C., Pomaro N., Pouradier-Duteil B., Recchia M., Rigoni-Garola A., Rizzetto D., Rizzolo A., Santoro F., Sartori E., Segalini B., Shepherd A., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Tinti P., Tomsic P., Trevisan L., Ugoletti M., Valente M., Valisa M., Veronese F., Vignando M., Zaccaria P., Zagorski R., Zaniol B., Zaupa M., Zuin M., Cavenago M., Boilson D., Rotti C., Decamps H., Geli F., Sharma A., Veltri P., Zacks J., Simon M., Paolucci F., Garbuglia A., Gutierrez D., Masiello A., Mico G., Labate C., Readman P., Bragulat E., Bailly-Maitre L., Gomez G., Kouzmenko G., Albajar F., Kashiwagi M., Tobari H., Kojima A., Murayama M., Hatakeyama S., Oshita E., Maejima T., Shibata N., Yamashita Y., Watanabe K., Singh N. P., Singh M. J., Dhola H., Fantz U., Heinemann B., Wimmer C., Wunderlich D., Tsumori K., Croci G., Gorini G., Muraro A., Rebai M., Tardocchi M., Giacomelli L., Rigamonti D., Taccogna F., Bruno D., Rutigliano M., Longo S., Deambrosis S., Miorin E., Montagner F., Tonti A., Panin F., Marcuzzi, D, Toigo, V, Boldrin, M, Chitarin, G, Dal Bello, S, Grando, L, Luchetta, A, Pasqualotto, R, Pavei, M, Serianni, G, Zanotto, L, Agnello, R, Agostinetti, P, Agostini, M, Aprile, D, Barbisan, M, Battistella, M, Berton, G, Bigi, M, Brombin, M, Candela, V, Candeloro, V, Canton, A, Casagrande, R, Cavallini, C, Cavazzana, R, Cordaro, L, Cruz, N, Dalla Palma, M, Dan, M, De Lorenzi, A, Delogu, R, De Muri, M, De Nardi, M, Denizeau, S, Fadone, M, Fellin, F, Ferro, A, Gaio, E, Gasparrini, C, Gnesotto, F, Jain, P, La Rosa, A, Lopez-Bruna, D, Lorenzini, R, Maistrello, A, Manduchi, G, Manfrin, S, Marconato, N, Mario, I, Martini, G, Milazzo, R, Patton, T, Peruzzo, S, Pilan, N, Pimazzoni, A, Poggi, C, Pomaro, N, Pouradier-Duteil, B, Recchia, M, Rigoni-Garola, A, Rizzetto, D, Rizzolo, A, Santoro, F, Sartori, E, Segalini, B, Shepherd, A, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Tinti, P, Tomsic, P, Trevisan, L, Ugoletti, M, Valente, M, Valisa, M, Veronese, F, Vignando, M, Zaccaria, P, Zagorski, R, Zaniol, B, Zaupa, M, Zuin, M, Cavenago, M, Boilson, D, Rotti, C, Decamps, H, Geli, F, Sharma, A, Veltri, P, Zacks, J, Simon, M, Paolucci, F, Garbuglia, A, Gutierrez, D, Masiello, A, Mico, G, Labate, C, Readman, P, Bragulat, E, Bailly-Maitre, L, Gomez, G, Kouzmenko, G, Albajar, F, Kashiwagi, M, Tobari, H, Kojima, A, Murayama, M, Hatakeyama, S, Oshita, E, Maejima, T, Shibata, N, Yamashita, Y, Watanabe, K, Singh, N, Singh, M, Dhola, H, Fantz, U, Heinemann, B, Wimmer, C, Wunderlich, D, Tsumori, K, Croci, G, Gorini, G, Muraro, A, Rebai, M, Tardocchi, M, Giacomelli, L, Rigamonti, D, Taccogna, F, Bruno, D, Rutigliano, M, Longo, S, Deambrosis, S, Miorin, E, Montagner, F, Tonti, A, Panin, F, Marcuzzi D., Toigo V., Boldrin M., Chitarin G., Dal Bello S., Grando L., Luchetta A., Pasqualotto R., Pavei M., Serianni G., Zanotto L., Agnello R., Agostinetti P., Agostini M., Aprile D., Barbisan M., Battistella M., Berton G., Bigi M., Brombin M., Candela V., Candeloro V., Canton A., Casagrande R., Cavallini C., Cavazzana R., Cordaro L., Cruz N., Dalla Palma M., Dan M., De Lorenzi A., Delogu R., De Muri M., De Nardi M., Denizeau S., Fadone M., Fellin F., Ferro A., Gaio E., Gasparrini C., Gnesotto F., Jain P., La Rosa A., Lopez-Bruna D., Lorenzini R., Maistrello A., Manduchi G., Manfrin S., Marconato N., Mario I., Martini G., Milazzo R., Patton T., Peruzzo S., Pilan N., Pimazzoni A., Poggi C., Pomaro N., Pouradier-Duteil B., Recchia M., Rigoni-Garola A., Rizzetto D., Rizzolo A., Santoro F., Sartori E., Segalini B., Shepherd A., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Tinti P., Tomsic P., Trevisan L., Ugoletti M., Valente M., Valisa M., Veronese F., Vignando M., Zaccaria P., Zagorski R., Zaniol B., Zaupa M., Zuin M., Cavenago M., Boilson D., Rotti C., Decamps H., Geli F., Sharma A., Veltri P., Zacks J., Simon M., Paolucci F., Garbuglia A., Gutierrez D., Masiello A., Mico G., Labate C., Readman P., Bragulat E., Bailly-Maitre L., Gomez G., Kouzmenko G., Albajar F., Kashiwagi M., Tobari H., Kojima A., Murayama M., Hatakeyama S., Oshita E., Maejima T., Shibata N., Yamashita Y., Watanabe K., Singh N. P., Singh M. J., Dhola H., Fantz U., Heinemann B., Wimmer C., Wunderlich D., Tsumori K., Croci G., Gorini G., Muraro A., Rebai M., Tardocchi M., Giacomelli L., Rigamonti D., Taccogna F., Bruno D., Rutigliano M., Longo S., Deambrosis S., Miorin E., Montagner F., Tonti A., and Panin F.

Abstract

ITER envisages the use of two heating neutral beam injectors plus an optional one as part of the auxiliary heating and current drive system, to reach the desired performances during its various phases of operation. The 16.5 MW expected neutral beam power per injector is several notches higher than worldwide existing facilities. In order to enable such development, a Neutral Beam Test Facility (NBTF) was established at Consorzio RFX, exploiting the synergy of two test beds, called SPIDER and MITICA. SPIDER is dedicated developing and characterizing large efficient negative ion sources at relevant parameters in ITER-like conditions: source and accelerator located in the same vacuum where the beam propagates, immunity to electromagnetic interferences of multiple radio-frequency (RF) antennas, avoidance of RF-induced discharges on the outside of the source. Three years of experiments on SPIDER have addressed to the necessary design modifications to enable full performances. The source is presently under a long shut-down phase to incorporate learnings from the experimental campaign, in particular events/issues occurred during operation, which led to the identification of improvement opportunities/necessities (e.g. RF discharges, local burns, water leaks, other damages, configuration/design upgrades to maximize chances/margin to quest target parameters). Parallelly, developments on MITICA, the full-scale prototype of the ITER Neutral Beam Injector (NBI) featuring a 1 MV accelerator and ion neutralization, are underway including manufacturing of the beam source, accelerator and the beam line components, while power supplies and auxiliary plants, already installed, are under final testing and commissioning. Integration, commissioning and tests of the 1 MV power supplies are essential for this first-of-kind system, unparalleled both in research and industry field. 1.2 MV dc insulating tests of high voltage components were successfully completed. The integrated test to confir

Published
2023

6. SPIDER in the roadmap of the ITER neutral beams

Author

Serianni, G., Toigo, V., Bigi, M., Boldrin, M., Chitarin, G., Dal Bello, S., Grando, L., Luchetta, A., Marcuzzi, D., Pasqualotto, R., Pomaro, N., Zaccaria, P., Zanotto, L., Agostinetti, P., Agostini, M., Antoni, V., Aprile, D., Barbisan, M., Battistella, M., Brombin, M., Cavazzana, R., Dalla Palma, M., Dan, M., De Lorenzi, A., Delogu, R., De Muri, M., Denizeau, S., Fadone, M., Fellin, F., Ferbel, L., Ferro, A., Gaio, E., Gambetta, G., Gasparini, F., Gnesotto, F., Jain, P., Maistrello, A., Manduchi, G., Manfrin, S., Marchiori, G., Marconato, N., Moresco, M., Patton, T., Pavei, M., Peruzzo, S., Pilan, N., Pimazzoni, A., Piovan, R., Poggi, C., Recchia, M., Rizzolo, A., Rostagni, G., Sartori, E., Siragusa, M., Sonato, P., Spada, E., Spagnolo, S., Spolaore, M., Taliercio, C., Tinti, P., Ugoletti, M., Valente, M., Zamengo, A., Zaniol, B., Zaupa, M., Baltador, C., Cavenago, M., Boilson, D., Rotti, C., Veltri, P., Bonicelli, T., Paolucci, F., Muriel, S., Masiello, A., Chakraborty, A., Patel, H., Singh, N.P., Fantz, U., Heinemann, B., Kraus, W., Kashiwagi, M., and Tsumori, K.

Published
2019
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12. A substantial step forward in the realization of the ITER HNB system: The ITER NBI Test Facility

Author

Toigo, V., Piovan, R., Dal Bello, S., Gaio, E., Luchetta, A., Pasqualotto, R., Zaccaria, P., Bigi, M., Chitarin, G., Marcuzzi, D., Pomaro, N., Serianni, G., Agostinetti, P., Agostini, M., Antoni, V., Aprile, D., Baltador, C., Barbisan, M., Battistella, M., Boldrin, M., Brombin, M., Dalla Palma, M., De Lorenzi, A., Delogu, R., De Muri, M., Fellin, F., Ferro, A., Finotti, C., Fiorentin, A., Gambetta, G., Gnesotto, F., Grando, L., Jain, P., Maistrello, A., Manduchi, G., Marconato, N., Moresco, M., Ocello, E., Pavei, M., Peruzzo, S., Pilan, N., Pimazzoni, A., Recchia, M., Rizzolo, A., Rostagni, G., Sartori, E., Siragusa, M., Sonato, P., Sottocornola, A., Spada, E., Spagnolo, S., Spolaore, M., Taliercio, C., Valente, M., Veltri, P., Zamengo, A., Zaniol, B., Zanotto, L., Zaupa, M., Boilson, D., Graceffa, J., Svensson, L., Schunke, B, Decamps, H., Urbani, M., Kushwah, M, Chareyre, J, Singh, M., Bonicelli, T., Agarici, G., Masiello, A., Paolucci, F., Simon, M., Bailly-Maitre, L, Bragulat, E., Gomez, G., Gutierrez, D., Mico, G., Moreno, J.-F., Pilard, V., Kashiwagi, M., Hanada, M., Tobari, H., Watanabe, K., Maeshima, T., Kojima, A., Umeda, N., Yamanaka, H., Chakraborty, A., Baruah, U., Rotti, C., Patel, H., Nagaraju, M.V., Singh, N.P., Patel, A., Dhola, H., Raval, B., Fantz, U., Heinemann, B., Kraus, W., Hanke, S., Hauer, V., Ochoa, S., Blatchford, P., Chuilon, B., Xue, Y., De Esch, H.P.L., Hemsworth, R., Croci, G., Gorini, G., Rebai, M., Muraro, A., Cavenago, M., D'Arienzo, M., and Sandri, S.

Published
2017
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13. Lessons learned after three years of SPIDER operation and the first MITICA integrated tests

Author

Marcuzzi, D., primary, Toigo, V., additional, Boldrin, M., additional, Chitarin, G., additional, Dal Bello, S., additional, Grando, L., additional, Luchetta, A., additional, Pasqualotto, R., additional, Pavei, M., additional, Serianni, G., additional, Zanotto, L., additional, Agnello, R., additional, Agostinetti, P., additional, Agostini, M., additional, Aprile, D., additional, Barbisan, M., additional, Battistella, M., additional, Berton, G., additional, Bigi, M., additional, Brombin, M., additional, Candela, V., additional, Candeloro, V., additional, Canton, A., additional, Casagrande, R., additional, Cavallini, C., additional, Cavazzana, R., additional, Cordaro, L., additional, Cruz, N., additional, Dalla Palma, M., additional, Dan, M., additional, De Lorenzi, A., additional, Delogu, R., additional, De Muri, M., additional, De Nardi, M., additional, Denizeau, S., additional, Fadone, M., additional, Fellin, F., additional, Ferro, A., additional, Gaio, E., additional, Gasparrini, C., additional, Gnesotto, F., additional, Jain, P., additional, La Rosa, A., additional, Lopez-Bruna, D., additional, Lorenzini, R., additional, Maistrello, A., additional, Manduchi, G., additional, Manfrin, S., additional, Marconato, N., additional, Mario, I., additional, Martini, G., additional, Milazzo, R., additional, Patton, T., additional, Peruzzo, S., additional, Pilan, N., additional, Pimazzoni, A., additional, Poggi, C., additional, Pomaro, N., additional, Pouradier-Duteil, B., additional, Recchia, M., additional, Rigoni-Garola, A., additional, Rizzetto, D., additional, Rizzolo, A., additional, Santoro, F., additional, Sartori, E., additional, Segalini, B., additional, Shepherd, A., additional, Siragusa, M., additional, Sonato, P., additional, Sottocornola, A., additional, Spada, E., additional, Spagnolo, S., additional, Spolaore, M., additional, Taliercio, C., additional, Tinti, P., additional, Tomsič, P., additional, Trevisan, L., additional, Ugoletti, M., additional, Valente, M., additional, Valisa, M., additional, Veronese, F., additional, Vignando, M., additional, Zaccaria, P., additional, Zagorski, R., additional, Zaniol, B., additional, Zaupa, M., additional, Zuin, M., additional, Cavenago, M., additional, Boilson, D., additional, Rotti, C., additional, Decamps, H., additional, Geli, F., additional, Sharma, A., additional, Veltri, P., additional, Zacks, J., additional, Simon, M., additional, Paolucci, F., additional, Garbuglia, A., additional, Gutierrez, D., additional, Masiello, A., additional, Mico, G., additional, Labate, C., additional, Readman, P., additional, Bragulat, E., additional, Bailly-Maitre, L., additional, Gomez, G., additional, Kouzmenko, G., additional, Albajar, F., additional, Kashiwagi, M., additional, Tobari, H., additional, Kojima, A., additional, Murayama, M., additional, Hatakeyama, S., additional, Oshita, E., additional, Maejima, T., additional, Shibata, N., additional, Yamashita, Y., additional, Watanabe, K., additional, Singh, N.P., additional, Singh, M.J., additional, Dhola, H., additional, Fantz, U., additional, Heinemann, B., additional, Wimmer, C., additional, Wünderlich, D., additional, Tsumori, K., additional, Croci, G., additional, Gorini, G., additional, Muraro, A., additional, Rebai, M., additional, Tardocchi, M., additional, Giacomelli, L., additional, Rigamonti, D., additional, Taccogna, F., additional, Bruno, D., additional, Rutigliano, M., additional, Longo, S., additional, Deambrosis, S., additional, Miorin, E., additional, Montagner, F., additional, Tonti, A., additional, and Panin, F., additional

Published
2023
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17. Strategy for Vacuum Insulation Tests of MITICA 1 MV Electrostatic Accelerator

Author

Chitarin, G., primary, Kojima, A., additional, Boldrin, M., additional, Luchetta, A., additional, Marcuzzi, D., additional, Zaccaria, P., additional, Zanotto, L., additional, Toigo, V., additional, Aprile, D., additional, Marconato, N., additional, Patton, T., additional, Pilan, N., additional, Barbato, P., additional, Berton, G., additional, Breda, M., additional, Dan, M., additional, Fincato, M., additional, Lotto, L., additional, Rigoni-Garola, A., additional, Sartori, E., additional, Tollin, M., additional, Valente, M., additional, Grando, L., additional, Pomaro, N., additional, De Lorenzi, A., additional, Hiratsuka, J., additional, Ichikawa, M., additional, Kisaki, M., additional, Murayama, M., additional, Saquilayan, G. M., additional, Tobari, H., additional, Umeda, N., additional, Watanabe, K., additional, and Kashiwagi, M., additional

Published
2022
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18. On the road to ITER NBIs: SPIDER improvement after first operation and MITICA construction progress

Author

Toigo, V, Marcuzzi, D, Serianni, G, Boldrin, M, Chitarin, G, Bello, S, Grando, L, Luchetta, A, Pasqualotto, R, Zaccaria, P, Zanotto, L, Agnello, R, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Berton, G, Bigi, M, Brombin, M, Candeloro, V, Canton, A, Casagrande, R, Cavallini, C, Cavazzana, R, Cordaro, L, Cruz, N, Palma, M, Dan, M, De Lorenzi, A, Delogu, R, De Muri, M, Denizeau, S, Fadone, M, Fellin, F, Ferro, A, Gaio, E, Gasparini, F, Gasparrini, C, Gnesotto, F, Jain, P, Krastev, P, Lopez-Bruna, D, Lorenzini, R, Maistrello, A, Manduchi, G, Manfrin, S, Marconato, N, Martines, E, Martini, G, Martini, S, Milazzo, R, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Poggi, C, Pomaro, N, Pouradier-Duteil, B, Recchia, M, Rigoni-Garola, A, Rizzolo, A, Sartori, E, Shepherd, A, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Terranova, D, Tinti, P, Tomsic, P, Trevisan, L, Ugoletti, M, Valente, M, Vignando, M, Zagorski, R, Zamengo, A, Zaniol, B, Zaupa, M, Zuin, M, Cavenago, M, Boilson, D, Rotti, C, Veltri, P, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Urbani, M, Zacks, J, Bonicelli, T, Paolucci, F, Garbuglia, A, Agarici, G, Gomez, G, Gutierrez, D, Kouzmenko, G, Labate, C, Masiello, A, Mico, G, Moreno, J, Pilard, V, Rousseau, A, Simon, M, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Oshita, E, Yamashita, Y, Konno, S, Singh, M, Chakraborty, A, Patel, H, Singh, N, Fantz, U, Bonomo, F, Cristofaro, S, Heinemann, B, Kraus, W, Wimmer, C, Wunderlich, D, Fubiani, G, Tsumori, K, Croci, G, Gorini, G, Mccormack, O, Muraro, A, Rebai, M, Tardocchi, M, Giacomelli, L, Rigamonti, D, Taccogna, F, Bruno, D, Rutigliano, M, D'Arienzo, M, Tonti, A, Panin, F, Toigo V., Marcuzzi D., Serianni G., Boldrin M., Chitarin G., Bello S. D., Grando L., Luchetta A., Pasqualotto R., Zaccaria P., Zanotto L., Agnello R., Agostinetti P., Agostini M., Antoni V., Aprile D., Barbisan M., Battistella M., Berton G., Bigi M., Brombin M., Candeloro V., Canton A., Casagrande R., Cavallini C., Cavazzana R., Cordaro L., Cruz N., Palma M. D., Dan M., De Lorenzi A., Delogu R., De Muri M., Denizeau S., Fadone M., Fellin F., Ferro A., Gaio E., Gasparini F., Gasparrini C., Gnesotto F., Jain P., Krastev P., Lopez-Bruna D., Lorenzini R., Maistrello A., Manduchi G., Manfrin S., Marconato N., Martines E., Martini G., Martini S., Milazzo R., Patton T., Pavei M., Peruzzo S., Pilan N., Pimazzoni A., Poggi C., Pomaro N., Pouradier-Duteil B., Recchia M., Rigoni-Garola A., Rizzolo A., Sartori E., Shepherd A., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Terranova D., Tinti P., Tomsic P., Trevisan L., Ugoletti M., Valente M., Vignando M., Zagorski R., Zamengo A., Zaniol B., Zaupa M., Zuin M., Cavenago M., Boilson D., Rotti C., Veltri P., Decamps H., Dremel M., Graceffa J., Geli F., Urbani M., Zacks J., Bonicelli T., Paolucci F., Garbuglia A., Agarici G., Gomez G., Gutierrez D., Kouzmenko G., Labate C., Masiello A., Mico G., Moreno J. -F., Pilard V., Rousseau A., Simon M., Kashiwagi M., Tobari H., Watanabe K., Maejima T., Kojima A., Oshita E., Yamashita Y., Konno S., Singh M., Chakraborty A., Patel H., Singh N. P., Fantz U., Bonomo F., Cristofaro S., Heinemann B., Kraus W., Wimmer C., Wunderlich D., Fubiani G., Tsumori K., Croci G., Gorini G., McCormack O., Muraro A., Rebai M., Tardocchi M., Giacomelli L., Rigamonti D., Taccogna F., Bruno D., Rutigliano M., D'Arienzo M., Tonti A., Panin F., Toigo, V, Marcuzzi, D, Serianni, G, Boldrin, M, Chitarin, G, Bello, S, Grando, L, Luchetta, A, Pasqualotto, R, Zaccaria, P, Zanotto, L, Agnello, R, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Berton, G, Bigi, M, Brombin, M, Candeloro, V, Canton, A, Casagrande, R, Cavallini, C, Cavazzana, R, Cordaro, L, Cruz, N, Palma, M, Dan, M, De Lorenzi, A, Delogu, R, De Muri, M, Denizeau, S, Fadone, M, Fellin, F, Ferro, A, Gaio, E, Gasparini, F, Gasparrini, C, Gnesotto, F, Jain, P, Krastev, P, Lopez-Bruna, D, Lorenzini, R, Maistrello, A, Manduchi, G, Manfrin, S, Marconato, N, Martines, E, Martini, G, Martini, S, Milazzo, R, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Poggi, C, Pomaro, N, Pouradier-Duteil, B, Recchia, M, Rigoni-Garola, A, Rizzolo, A, Sartori, E, Shepherd, A, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Terranova, D, Tinti, P, Tomsic, P, Trevisan, L, Ugoletti, M, Valente, M, Vignando, M, Zagorski, R, Zamengo, A, Zaniol, B, Zaupa, M, Zuin, M, Cavenago, M, Boilson, D, Rotti, C, Veltri, P, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Urbani, M, Zacks, J, Bonicelli, T, Paolucci, F, Garbuglia, A, Agarici, G, Gomez, G, Gutierrez, D, Kouzmenko, G, Labate, C, Masiello, A, Mico, G, Moreno, J, Pilard, V, Rousseau, A, Simon, M, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Oshita, E, Yamashita, Y, Konno, S, Singh, M, Chakraborty, A, Patel, H, Singh, N, Fantz, U, Bonomo, F, Cristofaro, S, Heinemann, B, Kraus, W, Wimmer, C, Wunderlich, D, Fubiani, G, Tsumori, K, Croci, G, Gorini, G, Mccormack, O, Muraro, A, Rebai, M, Tardocchi, M, Giacomelli, L, Rigamonti, D, Taccogna, F, Bruno, D, Rutigliano, M, D'Arienzo, M, Tonti, A, Panin, F, Toigo V., Marcuzzi D., Serianni G., Boldrin M., Chitarin G., Bello S. D., Grando L., Luchetta A., Pasqualotto R., Zaccaria P., Zanotto L., Agnello R., Agostinetti P., Agostini M., Antoni V., Aprile D., Barbisan M., Battistella M., Berton G., Bigi M., Brombin M., Candeloro V., Canton A., Casagrande R., Cavallini C., Cavazzana R., Cordaro L., Cruz N., Palma M. D., Dan M., De Lorenzi A., Delogu R., De Muri M., Denizeau S., Fadone M., Fellin F., Ferro A., Gaio E., Gasparini F., Gasparrini C., Gnesotto F., Jain P., Krastev P., Lopez-Bruna D., Lorenzini R., Maistrello A., Manduchi G., Manfrin S., Marconato N., Martines E., Martini G., Martini S., Milazzo R., Patton T., Pavei M., Peruzzo S., Pilan N., Pimazzoni A., Poggi C., Pomaro N., Pouradier-Duteil B., Recchia M., Rigoni-Garola A., Rizzolo A., Sartori E., Shepherd A., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Terranova D., Tinti P., Tomsic P., Trevisan L., Ugoletti M., Valente M., Vignando M., Zagorski R., Zamengo A., Zaniol B., Zaupa M., Zuin M., Cavenago M., Boilson D., Rotti C., Veltri P., Decamps H., Dremel M., Graceffa J., Geli F., Urbani M., Zacks J., Bonicelli T., Paolucci F., Garbuglia A., Agarici G., Gomez G., Gutierrez D., Kouzmenko G., Labate C., Masiello A., Mico G., Moreno J. -F., Pilard V., Rousseau A., Simon M., Kashiwagi M., Tobari H., Watanabe K., Maejima T., Kojima A., Oshita E., Yamashita Y., Konno S., Singh M., Chakraborty A., Patel H., Singh N. P., Fantz U., Bonomo F., Cristofaro S., Heinemann B., Kraus W., Wimmer C., Wunderlich D., Fubiani G., Tsumori K., Croci G., Gorini G., McCormack O., Muraro A., Rebai M., Tardocchi M., Giacomelli L., Rigamonti D., Taccogna F., Bruno D., Rutigliano M., D'Arienzo M., Tonti A., and Panin F.

Abstract

To reach fusion conditions and control the plasma configuration in ITER, the next step in tokamak fusion research, two neutral beam injectors (NBIs) will supply 16.5 MW each, by neutralizing accelerated negative hydrogen or deuterium ions. The requirements of ITER NBIs (40A/1 MeV D- ions for ≤1 h, 46A/870 keV H- ions for ≤1000 s) have never been simultaneously attained. So in the Neutral Beam Test Facility (NBTF, Consorzio RFX, Italy) the operation of the full-scale ITER NBI prototype (MITICA) will be tested and optimised up to full performances, focussing on accelerator (including voltage holding), beam optics, neutralisation, residual ion removal. The NBTF includes also the full-scale prototype of the ITER NBI source with 100 keV particle energy (SPIDER), for early investigation of: negative ion production and extraction, source uniformity, negative ion current density and beam optics. This paper will describe the main results of the first two years of SPIDER operation, devoted to characterizing plasma and beam parameters, including investigation of RF-plasma coupling efficiency and magnetic filter field effectiveness in reducing co-extracted electrons. SPIDER is progressing towards the first caesium injection, which aims at increasing the negative ion density. A major shutdown, planned for 2021, to solve the issues identified during the operation and to carry out programmed modifications, will be outlined. The installation of each MITICA power supply and auxiliary system is completed; in-vessel mechanical components are under procurement by Fusion for Energy (F4E). Integration, commissioning and test of the power supplies, procured by F4E and QST, as the Japanese Domestic Agency (JADA), will be presented. In particular, 1.0MV insulating tests were carried out step-by-step and successfully completed. In 2020 integrated tests of the power supplies on the accelerator dummy load started, including the assessment of their resilience to accelerator grid breakdowns usin

Published
2021

21. Recent improvements to the ITER neutral beam system design

Author

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., and Zaccaria, P.

Published
2012
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22. 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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28. Progress in the ITER neutral beam test facility

Author

Toigo, V, Dal Bello, S, Bigi, M, Boldrin, M, Chitarin, G, Grando, L, Luchetta, A, Marcuzzi, D, Pasqualotto, R, Pomaro, N, Serianni, G, Zaccaria, P, Zanotto, L, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Brombin, M, Cavazzana, R, Dalla Palma, M, Dan, M, Denizeau, S, De Lorenzi, A, Delogu, R, De Muri, M, Fadone, M, Fellin, F, Ferro, A, Fiorentin, A, Gaio, E, Gambetta, G, Gasparini, F, Gnesotto, F, Jain, P, Maistrello, A, Manduchi, G, Manfrin, S, Marchiori, G, Marconato, N, Moresco, M, Ocello, E, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Piovan, R, Poggi, C, Recchia, M, Rizzolo, A, Rostagni, G, Sartori, E, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Tinti, P, Ugoletti, M, Valente, M, Zamengo, A, Zaniol, B, Zaupa, M, Boilson, D, Rotti, C, Veltri, P, Chareyre, J, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Schunke, B, Svensson, L, Urbani, M, Bonicelli, T, Agarici, G, Garbuglia, A, Masiello, A, Paolucci, F, Simon, M, Bailly-Maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Labate, C, Mico, G, Moreno, J, Pilard, V, Kouzmenko, G, Rousseau, A, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Umeda, N, Sasaki, S, Chakraborty, A, Baruah, U, Patel, H, Singh, N, Patel, A, Dhola, H, Raval, B, Gupta, V, Fantz, U, Heinemann, B, Kraus, W, Cavenago, M, Hanke, S, Ochoa, S, Blatchford, P, Chuilon, B, Xue, Y, Croci, G, Gorini, G, Muraro, A, Rebai, M, Tardocchi, M, D'Arienzo, M, Sandri, S, Tonti, A, Panin, F, Toigo V., Dal Bello S., Bigi M., Boldrin M., Chitarin G., Grando L., Luchetta A., Marcuzzi D., Pasqualotto R., Pomaro N., Serianni G., Zaccaria P., Zanotto L., Agostinetti P., Agostini M., Antoni V., Aprile D., Barbisan M., Battistella M., Brombin M., Cavazzana R., Dalla Palma M., Dan M., Denizeau S., De Lorenzi A., Delogu R., De Muri M., Fadone M., Fellin F., Ferro A., Fiorentin A., Gaio E., Gambetta G., Gasparini F., Gnesotto F., Jain P., Maistrello A., Manduchi G., Manfrin S., Marchiori G., Marconato N., Moresco M., Ocello E., Patton T., Pavei M., Peruzzo S., Pilan N., Pimazzoni A., Piovan R., Poggi C., Recchia M., Rizzolo A., Rostagni G., Sartori E., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Tinti P., Ugoletti M., Valente M., Zamengo A., Zaniol B., Zaupa M., Boilson D., Rotti C., Veltri P., Chareyre J., Decamps H., Dremel M., Graceffa J., Geli F., Schunke B., Svensson L., Urbani M., Bonicelli T., Agarici G., Garbuglia A., Masiello A., Paolucci F., Simon M., Bailly-Maitre L., Bragulat E., Gomez G., Gutierrez D., Labate C., Mico G., Moreno J. F., Pilard V., Kouzmenko G., Rousseau A., Kashiwagi M., Tobari H., Watanabe K., Maejima T., Kojima A., Umeda N., Sasaki S., Chakraborty A., Baruah U., Patel H., Singh N. P., Patel A., Dhola H., Raval B., Gupta V., Fantz U., Heinemann B., Kraus W., Cavenago M., Hanke S., Ochoa S., Blatchford P., Chuilon B., Xue Y., Croci G., Gorini G., Muraro A., Rebai M., Tardocchi M., D'Arienzo M., Sandri S., Tonti A., Panin F., Toigo, V, Dal Bello, S, Bigi, M, Boldrin, M, Chitarin, G, Grando, L, Luchetta, A, Marcuzzi, D, Pasqualotto, R, Pomaro, N, Serianni, G, Zaccaria, P, Zanotto, L, Agostinetti, P, Agostini, M, Antoni, V, Aprile, D, Barbisan, M, Battistella, M, Brombin, M, Cavazzana, R, Dalla Palma, M, Dan, M, Denizeau, S, De Lorenzi, A, Delogu, R, De Muri, M, Fadone, M, Fellin, F, Ferro, A, Fiorentin, A, Gaio, E, Gambetta, G, Gasparini, F, Gnesotto, F, Jain, P, Maistrello, A, Manduchi, G, Manfrin, S, Marchiori, G, Marconato, N, Moresco, M, Ocello, E, Patton, T, Pavei, M, Peruzzo, S, Pilan, N, Pimazzoni, A, Piovan, R, Poggi, C, Recchia, M, Rizzolo, A, Rostagni, G, Sartori, E, Siragusa, M, Sonato, P, Sottocornola, A, Spada, E, Spagnolo, S, Spolaore, M, Taliercio, C, Tinti, P, Ugoletti, M, Valente, M, Zamengo, A, Zaniol, B, Zaupa, M, Boilson, D, Rotti, C, Veltri, P, Chareyre, J, Decamps, H, Dremel, M, Graceffa, J, Geli, F, Schunke, B, Svensson, L, Urbani, M, Bonicelli, T, Agarici, G, Garbuglia, A, Masiello, A, Paolucci, F, Simon, M, Bailly-Maitre, L, Bragulat, E, Gomez, G, Gutierrez, D, Labate, C, Mico, G, Moreno, J, Pilard, V, Kouzmenko, G, Rousseau, A, Kashiwagi, M, Tobari, H, Watanabe, K, Maejima, T, Kojima, A, Umeda, N, Sasaki, S, Chakraborty, A, Baruah, U, Patel, H, Singh, N, Patel, A, Dhola, H, Raval, B, Gupta, V, Fantz, U, Heinemann, B, Kraus, W, Cavenago, M, Hanke, S, Ochoa, S, Blatchford, P, Chuilon, B, Xue, Y, Croci, G, Gorini, G, Muraro, A, Rebai, M, Tardocchi, M, D'Arienzo, M, Sandri, S, Tonti, A, Panin, F, Toigo V., Dal Bello S., Bigi M., Boldrin M., Chitarin G., Grando L., Luchetta A., Marcuzzi D., Pasqualotto R., Pomaro N., Serianni G., Zaccaria P., Zanotto L., Agostinetti P., Agostini M., Antoni V., Aprile D., Barbisan M., Battistella M., Brombin M., Cavazzana R., Dalla Palma M., Dan M., Denizeau S., De Lorenzi A., Delogu R., De Muri M., Fadone M., Fellin F., Ferro A., Fiorentin A., Gaio E., Gambetta G., Gasparini F., Gnesotto F., Jain P., Maistrello A., Manduchi G., Manfrin S., Marchiori G., Marconato N., Moresco M., Ocello E., Patton T., Pavei M., Peruzzo S., Pilan N., Pimazzoni A., Piovan R., Poggi C., Recchia M., Rizzolo A., Rostagni G., Sartori E., Siragusa M., Sonato P., Sottocornola A., Spada E., Spagnolo S., Spolaore M., Taliercio C., Tinti P., Ugoletti M., Valente M., Zamengo A., Zaniol B., Zaupa M., Boilson D., Rotti C., Veltri P., Chareyre J., Decamps H., Dremel M., Graceffa J., Geli F., Schunke B., Svensson L., Urbani M., Bonicelli T., Agarici G., Garbuglia A., Masiello A., Paolucci F., Simon M., Bailly-Maitre L., Bragulat E., Gomez G., Gutierrez D., Labate C., Mico G., Moreno J. F., Pilard V., Kouzmenko G., Rousseau A., Kashiwagi M., Tobari H., Watanabe K., Maejima T., Kojima A., Umeda N., Sasaki S., Chakraborty A., Baruah U., Patel H., Singh N. P., Patel A., Dhola H., Raval B., Gupta V., Fantz U., Heinemann B., Kraus W., Cavenago M., Hanke S., Ochoa S., Blatchford P., Chuilon B., Xue Y., Croci G., Gorini G., Muraro A., Rebai M., Tardocchi M., D'Arienzo M., Sandri S., Tonti A., and Panin F.

Abstract

Heating neutral beam (HNB) injectors, necessary to achieve burning conditions and to control plasma instabilities in ITER, are characterized by such demanding parameters that a neutral beam test facility (NBTF) dedicated to their development and optimization is being realized in Padua (Italy) with direct contributions from the Italian government (through Consorzio RFX as the host entity) and the ITER international organization (with kind contributions from the ITER domestic agencies of Europe, Japan and India) and technical and scientific support from various European laboratories and universities. The NBTF hosts two experiments: SPIDER, devoted to ion source optimization for the required source performance, and MITICA, the full-size prototype of the ITER HNB, with an ion source identical to SPIDER. This paper gives an overview of the progress towards NBTF realization, with particular emphasis on issues discovered during this phase of activity and on solutions adopted to minimize the impact on the schedule and maintain the goals of the facilities. The realization of MITICA is well advanced; operation is expected to start in 2023 due to the long procurement time of the in-vessel mechanical components. The beam source power supplies, operating at 1 MV, are in an advanced phase of realization; all high-voltage components have been installed and the complex insulation test phase began in 2018. At the same time, construction and installation of SPIDER plant systems was successfully completed with their integration into the facility. The mechanical components of the SPIDER ion source were installed inside the vessel and connected to the plants. Integrated commissioning with the control, protection and safety systems ended positively and the first experimental phase has begun. The first results of the SPIDER experiment, with data from operational diagnostics, and the plans for the 1 MV insulation tests on the MITICA high-voltage components are presented.

Published
2019

29. Impact of transcatheter aortic valve implantation on coronary flow reserve by transthoracic Doppler echocardiography 1-year after the intervention in severe aortic stenosis patients

Author

Wada, T, primary, Hozumi, T, additional, Takemoto, K, additional, Shimamoto, Y, additional, Fujita, S, additional, Kashiwagi, M, additional, Shimamura, K, additional, Shiono, Y, additional, Kuroi, A, additional, Honda, K, additional, Tanimoto, T, additional, Kubo, T, additional, Tanaka, A, additional, Nishimura, Y, additional, and Akasaka, T, additional

Published
2021
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34. Correction to: Radiofrequency identification tag system improves the efficiency of closed vitrification for cryopreservation and thawing of bovine ovarian tissues

Author

Sato, T., primary, Sugishita, Yodo, additional, Suzuki, Y., additional, Kashiwagi, M., additional, Furuyama, S., additional, Nishimura, S., additional, Uekawa, A., additional, Koizumi, T., additional, Awaji, M., additional, Sawa, T., additional, Tozawa, A., additional, Komatsu, V., additional, and Suzuki, Nao, additional

Published
2020
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36. 105P Dynamic change in blood derived variant allele frequency as a predictive marker for response from checkpoint inhibitor based therapies among metastatic solid tumours

Author

Kato, S., primary, Li, B., additional, Cha, S.W., additional, Bianchi-Frias, D., additional, Kamei, N., additional, Hoiness, R., additional, Hoo, J., additional, Gray, P.N., additional, Iyama, T., additional, Kashiwagi, M., additional, Lu, H-M., additional, and Kurzrock, R., additional

Published
2020
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37. P91 Prognostic value of tissue-tracking mitral annular displacement by speckle-tracking echocardiography in asymptomatic patients with aortic stenosis with preserved left ventricular ejection fraction

Author

Teraguchi, I, primary, Hozumi, T, additional, Emori, H, additional, Takemoto, K, additional, Maniwa, N, additional, Kashiwagi, M, additional, Shimamura, K, additional, Shiono, Y, additional, Kuroi, A, additional, Matsuo, Y, additional, Ino, Y, additional, Kitabata, H, additional, Kubo, T, additional, Tanaka, A, additional, and Akasaka, T, additional

Published
2020
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38. P313 Prognostic value of automated measurement of mitral annular displacement by speckle-tracking echocardiography in asymptomatic aortic stenosis patients with preserved left ventricular ejection fraction

Author

Hozumi, T, primary, Teraguchi, I, additional, Takemoto, K, additional, Fujita, S, additional, Wada, T, additional, Kashiwagi, M, additional, Shimamura, K, additional, Shiono, Y, additional, Kuroi, A, additional, Matsuo, Y, additional, Ino, Y, additional, Kubo, T, additional, Tanaka, A, additional, and Akasaka, T, additional

Published
2020
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45. P2453Value of pre-operative left atrial minimum volume as a surrogate for post-operative symptoms in patients with aortic stenosis who underwent aortic valve replacement

Author

Hozumi, T, primary, Morimoto, J, additional, Takemoto, K, additional, Wada, T, additional, Maniwa, N, additional, Kashiwagi, M, additional, Shimamura, K, additional, Shiono, Y, additional, Kuroi, A, additional, Matsuo, Y, additional, Kitabata, H, additional, Ino, Y, additional, Kubo, T, additional, Tanaka, A, additional, and Akasaka, T, additional

Published
2019
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46. P2700Impact of instantaneous wave-free ratio on graft failure after coronary artery bypass graft surgery

Author

Wada, T, primary, Shiono, Y, additional, Higashioka, D, additional, Kashiwagi, M, additional, Shimamura, K, additional, Kuroi, A, additional, Honda, K, additional, Matsuo, Y, additional, Kitabata, H, additional, Ino, Y, additional, Kubo, T, additional, Tanaka, A, additional, Hozumi, T, additional, Nishimura, Y, additional, and Akasaka, T, additional

Published
2019
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47. P4349Simple and rapid estimation of left ventricular longitudinal deformation by tissue-tracking mitral annular displacement in single apical view

Author

Nishi, T, primary, Hozumi, T, additional, Takemoto, K, additional, Wada, T, additional, Maniwa, N, additional, Kashiwagi, M, additional, Shimamura, K, additional, Shiono, Y, additional, Kuroi, A, additional, Matsuo, Y, additional, Kitabata, H, additional, Ino, Y, additional, Kubo, T, additional, Tanaka, A, additional, and Akasaka, T, additional

Published
2019
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