Schwinger multichannel study of the g2 shape resonance in N2

Winifred M. Huo, Thomas L. Gibson, Marco A.P. Lima, Vincent McKoy

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We report the results of a study on electron-target correlations in the g2 shape resonance of elastic e-N2 scattering, using the Schwinger multichannel formulation. The effects of basis set, orbital representation, and closed-channel configurations are delineated. The different roles of radial and angular correlations are compared. Our results are in good agreement with a recent calculation by Schneider and Collins [Phys. Rev. A 30, 95 (1984)] using the linear algebraic-optical potential method whereas calculations using radial correlations alone agree well with previous calculations based on a variety of different approaches.

Original languageEnglish
Pages (from-to)1632-1641
Number of pages10
JournalPhysical Review A
Issue number4
StatePublished - 1987


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