Multichannel Schwinger variational cross sections for electron-impact excitation of the b u+3 state in H2

Marco A.P. Lima, Thomas L. Gibson, Kazuo Takatsuka, Vincent McKoy

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

As a first application of the Schwinger multichannel theory, we have calculated integral and differential cross sections for electron-impact excitation of the transition X g+1b u+3 in H2 for scattering energies from 13 to 30 eV at the two-state level. We find good agreement between our integral cross sections and the results obtained previously in a two-state close-coupling study. Our method does not rely on single-center expansions to calculate the body-frame scattering amplitude and is designed to be applicable to molecules of arbitrary geometry.

Original languageEnglish
Pages (from-to)1741-1746
Number of pages6
JournalPhysical Review A
Volume30
Issue number4
DOIs
StatePublished - 1984

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