Population densities of He(I) and He(II) excited states in plasmas |
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Authors: | HC Srivastava PK Ghosh |
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Institution: | Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India |
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Abstract: | Reduced population coefficients for He(I) and He(II) levels, both for optically thin and partially optically thick conditions, have been calculated from a collisional-radiative model using recent experimental and theoretical cross sections. The calculated population densities are compared with experimental results on helium plasmas. Agreement with experimental results is better at low electron temperatures. |
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