Plasma and Fusion Research
Volume 6, 1201153 (2011)
Rapid Communications
- Department of Quantum Science and Energy Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japan
Abstract
Time responses of a helium plasma to helium gas puffing without and with helium beam injection in a linear plasma device are experimentally investigated. Increase in the neutral density due to gas puffing is suppressed by ion beam injection. The experimental results show that a momentum transport from the ion beam to the puffed neutral particles occurs due to the charge exchange interaction, suggesting that charge exchange momentum transport is one of the processes responsible for the spatial redistribution of neutral atoms in partially ionized plasmas.
Keywords
charge exchange interaction, momentum transfer, gas puff, ion beam, partially ionized plasma
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References
- [1] D.T. Farley, E. Bonelli, B.G. Fejer and M.F. Larsen, J. Geophys. Res. 91, 13723 (1986).
- [2] C.A. Michael, J. Howard and B.D. Blackwell, Phys. Plasmas 11, 4008 (2004).
- [3] T. Ikehata, H. Tanaka, N.Y. Sato and H. Mase, Phys. Rev. Lett. 81, 1853 (1998).
- [4] S.I. Krasheninnikov and A.I. Smolyakov, Phys. Plasmas 10, 3020 (2003).
- [5] A. Fruchtman, G. Makrinich, P. Chabert and J.M. Rax, Phys. Rev. Lett. 95, 115002 (2005).
- [6] A. Okamoto, K. Hara, K. Nagaoka, S. Yoshimura, J. Vranješ, M. Kono and M.Y. Tanaka, Phys. Plasmas 10, 2211 (2003).
- [7] A. Okamoto, T. Isono, T. Kobuchi, S. Kitajima and M. Sasao, J. Plasma Fusion Res. SERIES 8, 39 (2009).
- [8] A. Okamoto, K. Iwazaki, T. Isono, T. Kobuchi, S. Kitajima and M. Sasao, Plasma Fusion Res. 3, 059 (2008).
- [9] K. Shinto, H. Sugawara, M. Takenaga, S. Takeuchi, N. Tanaka, A. Okamoto, S. Kitajima, M. Sasao, M. Nishiura and M. Wada, Rev. Sci. Instrum. 77, 03B512 (2006).
- [10] A. Okamoto, T. Isono, T. Nishiuchi, H. Takahashi, S. Kitajima and M. Sasao, Plasma Fusion Res. 5, S2088 (2010).
This paper may be cited as follows:
Atsushi OKAMOTO, Hiroyuki TAKAHASHI, Sumio KITAJIMA and Mamiko SASAO, Plasma Fusion Res. 6, 1201153 (2011).