Development of an energetic He0 beam for alpha particle diagnostics on ITER

M. Sasao; N. Tanaka; M. Kisaki; T. Nagamura; K. Terai; A. Okamoto; Sumio Kitajima; T. Kobuchi; O. Kaneko; K. Tsumori; K. Shinto; M. Wada

Development of an energetic He0 beam for alpha particle diagnostics on ITER

M. Sasao, N. Tanaka, M. Kisaki, T. Nagamura, K. Terai, A. Okamoto, Sumio Kitajima, T. Kobuchi, O. Kaneko, K. Tsumori, K. Shinto, M. Wada

ENG - Quantum Science and Energy Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Confined alpha particles can be measurement in ITER by injecting energetic He0 (ground state) beam to neutralize alphas in the plasma. It was experimentally confirmed that auto-detachment of a He- beam produces a ground state He0 beam through the Time Of Flight (TOF) neuralization. A full size strong-focusing He+ ion source was developed, and a beam current higher than 2A was achieved with the minimum beam radius of 11.3 mm, at the beam energy of 20 - 25 keV, which is suitable to be converted to He- in an alkali vapour.

Original language	English
Title of host publication	37th EPS Conference on Plasma Physics 2010, EPS 2010
Pages	173-176
Number of pages	4
Publication status	Published - 2010 Dec 1
Event	37th EPS Conference on Plasma Physics 2010, EPS 2010 - Dublin, Ireland Duration: 2010 Jun 21 → 2010 Jun 25

Publication series

Name	37th EPS Conference on Plasma Physics 2010, EPS 2010
Volume	1

Other

Other	37th EPS Conference on Plasma Physics 2010, EPS 2010
Country	Ireland
City	Dublin
Period	10/6/21 → 10/6/25

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Development of an energetic He0 beam for alpha particle diagnostics on ITER. / Sasao, M.; Tanaka, N.; Kisaki, M.; Nagamura, T.; Terai, K.; Okamoto, A.; Kitajima, Sumio; Kobuchi, T.; Kaneko, O.; Tsumori, K.; Shinto, K.; Wada, M.

37th EPS Conference on Plasma Physics 2010, EPS 2010. 2010. p. 173-176 (37th EPS Conference on Plasma Physics 2010, EPS 2010; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sasao, M, Tanaka, N, Kisaki, M, Nagamura, T, Terai, K, Okamoto, A, Kitajima, S, Kobuchi, T, Kaneko, O, Tsumori, K, Shinto, K & Wada, M 2010, Development of an energetic He0 beam for alpha particle diagnostics on ITER. in 37th EPS Conference on Plasma Physics 2010, EPS 2010. 37th EPS Conference on Plasma Physics 2010, EPS 2010, vol. 1, pp. 173-176, 37th EPS Conference on Plasma Physics 2010, EPS 2010, Dublin, Ireland, 10/6/21.

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abstract = "Confined alpha particles can be measurement in ITER by injecting energetic He0 (ground state) beam to neutralize alphas in the plasma. It was experimentally confirmed that auto-detachment of a He- beam produces a ground state He0 beam through the Time Of Flight (TOF) neuralization. A full size strong-focusing He+ ion source was developed, and a beam current higher than 2A was achieved with the minimum beam radius of 11.3 mm, at the beam energy of 20 - 25 keV, which is suitable to be converted to He- in an alkali vapour.",

author = "M. Sasao and N. Tanaka and M. Kisaki and T. Nagamura and K. Terai and A. Okamoto and Sumio Kitajima and T. Kobuchi and O. Kaneko and K. Tsumori and K. Shinto and M. Wada",

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T1 - Development of an energetic He0 beam for alpha particle diagnostics on ITER

AU - Sasao, M.

AU - Tanaka, N.

AU - Kisaki, M.

AU - Nagamura, T.

AU - Terai, K.

AU - Okamoto, A.

AU - Kitajima, Sumio

AU - Kobuchi, T.

AU - Kaneko, O.

AU - Tsumori, K.

AU - Shinto, K.

AU - Wada, M.

PY - 2010/12/1

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N2 - Confined alpha particles can be measurement in ITER by injecting energetic He0 (ground state) beam to neutralize alphas in the plasma. It was experimentally confirmed that auto-detachment of a He- beam produces a ground state He0 beam through the Time Of Flight (TOF) neuralization. A full size strong-focusing He+ ion source was developed, and a beam current higher than 2A was achieved with the minimum beam radius of 11.3 mm, at the beam energy of 20 - 25 keV, which is suitable to be converted to He- in an alkali vapour.

AB - Confined alpha particles can be measurement in ITER by injecting energetic He0 (ground state) beam to neutralize alphas in the plasma. It was experimentally confirmed that auto-detachment of a He- beam produces a ground state He0 beam through the Time Of Flight (TOF) neuralization. A full size strong-focusing He+ ion source was developed, and a beam current higher than 2A was achieved with the minimum beam radius of 11.3 mm, at the beam energy of 20 - 25 keV, which is suitable to be converted to He- in an alkali vapour.

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