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Direct measurement of the velocity dependence of the associative-ionization cross section in Na(3p)+Na(3p) collisions

Direct measurement of the velocity dependence of the associative-ionization cross section in... We present a direct measurement of the velocity dependence of the associative-ionization (AI) cross section for collisions between Na ( 3 P) atoms in the energy range 0.08 – 0.29 eV in a crossed-beam experiment using a Doppler-shift velocity-selection technique. The AI cross section at first decreases, reaches a minimum at about 0.15 eV, then sharply increases with collision energy. Interpretation of the results in terms of a semiclassical theory of AI indicates that more than one potential surface of Na ( 2 P + 2 P) must be involved in the AI process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Direct measurement of the velocity dependence of the associative-ionization cross section in Na(3p)+Na(3p) collisions

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1985 The American Physical Society
ISSN
1094-1622
DOI
10.1103/PhysRevA.32.681
Publisher site
See Article on Publisher Site

Abstract

We present a direct measurement of the velocity dependence of the associative-ionization (AI) cross section for collisions between Na ( 3 P) atoms in the energy range 0.08 – 0.29 eV in a crossed-beam experiment using a Doppler-shift velocity-selection technique. The AI cross section at first decreases, reaches a minimum at about 0.15 eV, then sharply increases with collision energy. Interpretation of the results in terms of a semiclassical theory of AI indicates that more than one potential surface of Na ( 2 P + 2 P) must be involved in the AI process.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Jul 1, 1985

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