Ionization in alkali-halogen atom collisions: Comparison of the Landau-Zener-Stueckelberg approximation with JWKB calculations

M. B. Faist; B. R. Johnson; R. D. Levine

doi:10.1016/0009-2614(75)85155-4

Ionization in alkali-halogen atom collisions: Comparison of the Landau-Zener-Stueckelberg approximation with JWKB calculations

M. B. Faist^*
, B. R. Johnson
, R. D. Levine

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Landau-Zener-Stueckelberg (LZS) and two-state JWKB calculations have been made using Rittner model potentials simulating (Na, Li) + 1 → (Na⁺, Li⁺) + 1^- chemiionization at post-threshold energies. Comparison shows deviations between LZS and JWKB calculations. The S·matrix obtained in the JWKB computation is accurate to at least two significant figures when compared to a fully quantal computation.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Chemical Physics Letters
Volume	32
Issue number	1
DOIs	https://doi.org/10.1016/0009-2614(75)85155-4
State	Published - 1 Apr 1975
Externally published	Yes

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abstract = "Landau-Zener-Stueckelberg (LZS) and two-state JWKB calculations have been made using Rittner model potentials simulating (Na, Li) + 1 → (Na+, Li+) + 1- chemiionization at post-threshold energies. Comparison shows deviations between LZS and JWKB calculations. The S·matrix obtained in the JWKB computation is accurate to at least two significant figures when compared to a fully quantal computation.",

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AU - Levine, R. D.

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N2 - Landau-Zener-Stueckelberg (LZS) and two-state JWKB calculations have been made using Rittner model potentials simulating (Na, Li) + 1 → (Na+, Li+) + 1- chemiionization at post-threshold energies. Comparison shows deviations between LZS and JWKB calculations. The S·matrix obtained in the JWKB computation is accurate to at least two significant figures when compared to a fully quantal computation.

AB - Landau-Zener-Stueckelberg (LZS) and two-state JWKB calculations have been made using Rittner model potentials simulating (Na, Li) + 1 → (Na+, Li+) + 1- chemiionization at post-threshold energies. Comparison shows deviations between LZS and JWKB calculations. The S·matrix obtained in the JWKB computation is accurate to at least two significant figures when compared to a fully quantal computation.

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Ionization in alkali-halogen atom collisions: Comparison of the Landau-Zener-Stueckelberg approximation with JWKB calculations

Abstract

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