Reevaluation of experiments and new theoretical calculations for electron-impact excitation of [Formula Presented]

P. H. Janzen, L. D. Gardner, D. B. Reisenfeld, D. W. Savin, J. L. Kohl, K. Bartschat

Research output: Contribution to journalArticlepeer-review

Abstract

Experimental absolute-rate coefficients for electron-impact excitation of [Formula Presented] near threshold [D. W. Savin, L. D. Gardner, D. B. Reisenfeld, A. R. Young, and J. L. Kohl, Phys. Rev. A 51, 2162 (1995)] have been reanalyzed to include a more accurate determination of optical efficiency and revised radiometric uncertainties which reduce the total systematic uncertainty of the results. Also, new R matrix with pseudostates (RMPS) calculations for this transition near threshold are presented. Comparison of the RMPS results to those of simpler close-coupling calculations indicates the importance of accounting for target continuum effects. The reanalyzed results of Savin et al. are in excellent agreement with the RMPS calculations; comparisons are also made to other measurements of this excitation. Agreement with the RMPS results is better for fluorescence technique measurements than for electron-energy-loss measurements.

Original languageEnglish
Pages (from-to)4821-4824
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume59
Issue number6
DOIs
StatePublished - 1999

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