Schwinger multichannel study of the 2Πg shape resonance in N2

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

Abstract

We report the results of a study on electron-target correlations in the 2Πg 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.

Additional Information

©1987 The American Physical Society Received 24 February 1987 The research of W.M.H. is supported by NASA-Ames Cooperative Agreements No. NCC 2-147. The research at the California Institute of Technology is supported by NASA-Ames Cooperative Agreements No. NCC 2-319, the National Science Foundation, Grant No. PHY86-04242, and by the Innovative Science and Technology Program of the Strategic Defense Initiative Organization under Contract No. DAAL03-86-K-0140. One of us (M.A.P.L.) acknowledges the financial support from the Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), São Paulo, Brazil.

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