TUNABLE LASER PHOTODETACHMENT OF SODIUM HALIDE NEGATIVE IONS
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Date
1977
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
Ion beams of $NaCl^{-}, NaBr^{-}$, and $NaI^{-}$ are crossed with the photon beam of a tunable dye laser. The detached electrons and the resulting neutrals from the process $$NaX^{-} + h\nu = NaX + e^{-}$$ are monitored as a function of photon energy. The resulting photodet achment spectra show evidence for detachment via an excited state of the negative ion embedded in the detachment continuum. $$NaX^{-}(^{2}{\Sigma} ) + h\nu \rightarrow {NaX^{-}(^{2}\Pi)} \rightarrow NaX({^{1}}\Sigma) + e^{-}.$$
Description
Author Institution: Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder 80309 and National Bureau of Standards