Spectral Broadening and Wavelength Shift of Emission Lines of Li^<2+> Ions in Magnetically Confined Plasmas

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概要

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• A detailed calculation is presented of the line emission profiles of Li^<2+> ions in a magnetically confined plasma, and applied to interpret the measured spectra from a fusion device [K. Kondo el al. : J. Nucl. Matter 241-243 (1997) 956]. Transition probabilities and wavelengths of Li^<2+> ions are computed by diagonalizing the Hamiltonian including interactions with the magnetic field. The nl-resolved population densities of exited Li^<2+> ions are calculated up to n = 20 using a collisional-radiative model including the charge exchange process. The calculations show that 1) spectral profiles emitted by excitation, recombination and charge exchange are quite different, which is due to the different n and l-distributions of these basic atomic rate coefficients ; and 2) in order to properly interpret low temperature sepctra the Zeeman effect has to be accounted for.

• 社団法人日本物理学会の論文
• 2003-02-15

著者

• Zou S.

  Department Of Fusion Science School Of Mathematical And Physical Science The Graduated University Fo

• MURAKAMI I.

  National Institute for Fusion Science

• Kato T.

  National Institute for Fusion Science

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