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Hanada M, Kojima A, Tobari H, et al. Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency. Rev Sci Instrum. 2016;87(2):02B322doi: 10.1063/1.4934584.
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. (2016). Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency. The Review of scientific instruments, 87(2), 02B322. https://doi.org/10.1063/1.4934584
Hanada, M, et al. "Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency." The Review of scientific instruments vol. 87,2 (2016): 02B322. doi: https://doi.org/10.1063/1.4934584
Hanada M, Kojima A, Tobari H, Nishikiori R, Hiratsuka J, Kashiwagi M, Umeda N, Yoshida M, Ichikawa M, Watanabe K, Yamano Y, Grisham LR. Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency. Rev Sci Instrum. 2016 Feb;87(2):02B322. doi: 10.1063/1.4934584. PMID: 26932050.
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Rev Sci Instrum. 2016 Feb;87(2):02B322. doi: 10.1063/1.4934584.

Development of the negative ion beams relevant to ITER and JT-60SA at Japan Atomic Energy Agency.

The Review of scientific instruments

M Hanada, A Kojima, H Tobari, R Nishikiori, J Hiratsuka, M Kashiwagi, N Umeda, M Yoshida, M Ichikawa, K Watanabe, Y Yamano, L R Grisham

Affiliations

  1. Japan Atomic Energy Agency, 801-1 Mukouyama, Naka-shi, Ibaraki-ken 319-0913, Japan.
  2. Saitama University, Saitama, Saitama-ken 338-8570, Japan.
  3. Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA.

PMID: 26932050 DOI: 10.1063/1.4934584

Abstract

In order to realize negative ion sources and accelerators to be applicable to International Thermonuclear Experimental Reactor and JT-60 Super Advanced, a large cesium (Cs)-seeded negative ion source and a multi-aperture and multi-stage electric acceleration have been developed at Japan Atomic Energy Agency (JAEA). Long pulse production and acceleration of the negative ion beams have been independently carried out. The long pulse production of the high current beams has achieved 100 s at the beam current of 15 A by modifying the JT-60 negative ion source. The pulse duration time is increased three times longer than that before the modification. As for the acceleration, a pulse duration time has been also extended two orders of magnitudes from 0.4 s to 60 s. The developments of the negative ion source and acceleration at JAEA are well in progress towards the realization of the negative ion sources and accelerators for fusion applications.

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