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1975•Journal of Physics B Atomic and Molecular PhysicsOpen access

Populations of excited levels of non-hydrogenic ions in non-thermal plasmas

Brandon Norton, E P Wooding

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Abstract

Parameters describing the deviations from local thermodynamic equilibrium of the populations of excited levels of C II, C III, C IV and F II ions in isolated plasmas have been calculated. The values apply to plasmas with electron densities from 10 15 -10 20 cm -3 and electron temperatures from 0.5-20 eV. Means of extending the data to lower densities and non-isolated plasmas at higher temperatures as well as to other ions in the same isoelectronic sequences are also described.

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Parameters describing the deviations from local thermodynamic equilibrium of the populations of excited levels of C II, C III, C IV and F II ions in isolated plasmas have been calculated. The values apply to plasmas with electron densities from 10 15 -10 20 cm -3 and electron temperatures from 0.5-20 eV. Means of extending the data to lower densities and non-isolated plasmas at higher temperatures as well as to other ions in the same isoelectronic sequences are also described.

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Available abstract

Parameters describing the deviations from local thermodynamic equilibrium of the populations of excited levels of C II, C III, C IV and F II ions in isolated plasmas have been calculated. The values apply to plasmas with electron densities from 10 15 -10 20 cm -3 and electron temperatures from 0.5-20 eV. Means of extending the data to lower densities and non-isolated plasmas at higher temperatures as well as to other ions in the same isoelectronic sequences are also described.

Key concepts: Plasma, Excited state, Ion, Atomic physics, Electron temperature, Electron, Thermal, Thermal equilibrium

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