Electron impact excitation into the 3p54p levels from the 3p54s metastable levels of argon
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Electron impact excitation cross sections of argon from the 3p 54s matastable states to the excited states of 3p 54p configuration were calculated by using the fully relativistic distorted wave method, based on the multi-configuration Dirac-Fock (MCDF) theory. The influence of electron correlation effects on cross sections were discussed in detail. For low energy impact, it is found that the electron correlation effects have a large influence on the cross sections and make the cross sections smaller. However, this influence become smaller with the increasing of incident electron energy. The present results are in good agreement with the experiments of Boffard et al. [Phys. Rev. A 59, 2749 (1999)] in most cases.
KeywordsTarget State Excitation Cross Section Metastable Level Electron Impact Excitation Hollow Circle
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