Electron-hydrogen scattering in Debye plasma environments has been investigated using the close-coupling approximation. Three different models, viz. 3-state CCA, 6-state CCA, and 9-state CCA, have been employed in the present investigation. The positions and respective widths of the 2 s 2 1 S e resonance of hydrogen negative ion have been investigated for various plasma conditions. The inter-particle interactions have been taken to be of Debye-Hückel type. The present results are in close agreement with those of Kar and Ho ( New J. Phys. , 7 (2005) 141 ).
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Arindam Basu (2009) studied this question.
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