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Mironov, M. I.*; Khudoleev, A. V.*; Kusama, Yoshinori
Plasma Physics Reports, 30(2), p.164 - 168, 2004/02
Times Cited Count:0 Percentile:0.02(Physics, Fluids & Plasmas)High-energy charge-exchange diagnostics can determine the distribution function of fast atoms produced via the neutralization of hydrogen ions by hydrogen-like impurity ions. Deriving the distribution function requires to know the composition and spatial distribution of the target ions in a plasma. A charge-exchange target forms as a result of the interaction between impurity nuclei and beam atoms. Depending on the arrangement of heating beams with respect to the diagnostics, it is necessary to calculate their trajectories. A model which takes into account elementary processes resulting in the ionization equilibrium of the ions of impurities in a specific tokamak configuration is proposed. The model is applied to the JT-60U plasma. Mechanisms for the formation of charge-exchange atomic flows are considered. The relative contributions of different heating injectors to the charge-exchange flow are estimated. Based on the calculated results, a method is proposed for local measurements of the ion distribution function with a stationary analyzer.
Sagisaka, Akito*; Nagashima, Keisuke; Yamagiwa, Mitsuru; Matoba, Toru; *
Journal of the Physical Society of Japan, 68(4), p.1221 - 1227, 1999/04
Times Cited Count:2 Percentile:26.15(Physics, Multidisciplinary)no abstracts in English
Kubo, Hirotaka; Sakasai, Akira; Koide, Yoshihiko; Sugie, Tatsuo
Physical Review A, 46(12), p.7877 - 7881, 1992/12
Times Cited Count:10 Percentile:54.29(Optics)no abstracts in English
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JAERI-M 87-053, 140 Pages, 1987/03
no abstracts in English