Application of the Schwinger multichannel formulation to electron-impact excitation of the B u+1 state of H2

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

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

In this paper we report cross sections for electron-impact excitation of the X 1g+ 'B 1u+ transition in H2 for collision energies of 15, 20, and 30 eV. For this dipole-allowed transition with its associated long-range potential, the contributions of the more strongly scattered low-angular-momentum partial waves to the cross section were obtained from a two-state Schwinger multichannel calculation, and a modified Born-closure scheme was used to include the contributions from the remaining weakly scattered partial waves. Agreement between the calculated differential cross sections and available experimental data is encouraging.

Original languageEnglish
Pages (from-to)2473-2478
Number of pages6
JournalPhysical Review A
Volume35
Issue number6
DOIs
StatePublished - 1987

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