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S-wave model in electron-atom collisions

Plottke, Christopher Martin (2004) S-wave model in electron-atom collisions. PhD thesis, Murdoch University.

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Abstract

This thesis discusses the theory and presents the numerical solution of the S-wave models of electron-hydrogen and electron-helium scattering. The Convergent Close-Coupling (CCC) method is used to obtain the numerical results. The focus within the electron-hydrogen S-wave model is to investigate cross section results for scattering from excited states; in particular, the elastic free-free transitions. These contain a divergent potential matrix element as the first term. The investigation of the electron-helium S-wave model is split into two sections, firstly applying the Frozen-Core approximation and then relaxing this approximation. This includes the first accurate ab initio calculation of double-excitation of helium.

Item Type: Thesis (PhD)
Murdoch Affiliation: School of Engineering Science
Supervisor(s): Bray, Igor
URI: http://researchrepository.murdoch.edu.au/id/eprint/262
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