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Second-order Born calculation of coplanar symmetric(e, 2e) process on Mg
Pages: 181-184
Year: Issue:  6
Journal: Chinese Physics B

Keyword:  second-order Born approximation(e2e) collisionsmagnesiumtriple differential cross section;
Abstract: The second-order distorted wave Born approximation(DWBA) method is employed to investigate the triple differential cross sections(TDCS) of coplanar doubly symmetric(e, 2e) collisions for magnesium at excess energies of 6 eV–20 eV.Comparing with the standard first-order DWBA calculations, the inclusion of the second-order Born term in the scattering amplitude improves the degree of agreement with experiments, especially for backward scattering region of TDCS. This indicates that the present second-order Born term is capable to give a reasonable correction to DWBA model in studying coplanar symmetric(e, 2e) problems of two-valence-electron target in low energy range.
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