He(I) and He(II) populations in the Nagoya TPD plasma machine |
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Authors: | M.S. Hegde P.K. Ghosh |
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Affiliation: | Department of Chemistry, Indian Institute of Technology, Kampur 208016, India |
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Abstract: | A collisional-radiative model is used to explain the He(I) population densities observed by Otsuka, Ikee and Ishii in their TPD plasma machine. It is shown that a plasma model, which is partially optically thick to He(II) Lyman radiation, can explain the experimentally observed He(II) population density at Te=3.17 eV. The agreement between the experimental and calculated He(II) population densities observed by Otsuka and others is shown to be due to an error in their calculations. |
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