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Photoabsorption of sulfur dioxide cluster anions

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Photodissociation and photodetachment of negatively charged sulfur dioxide clusters (SO2) − n ,n=2–11, were investigated in the wavelength range from 458 to 660 nm. Electrons obtained from the interaction of photons with clusters were found to be produced in two photon processes forn≥3. Hence their detachment threshold energy is increased by at least 0.7 eV with respect to the dimer. Wavelength dependent depletion spectra indicate that the clusters are composed of a dimer anion chromophore solvated by neutral molecules. The spectral position of the absorption band is maintained and the shape evolves continuously with cluster size. However, a narrowing of the band with increasing cluster size is observed.

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Authors and Affiliations

  1. Fakultät für Physik, Universität Konstanz, W-7750, Konstanz, Federal Republic of Germany

    T. Dresch, H. Kramer, Y. Thurner & R. Weber

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  1. T. Dresch
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  2. H. Kramer
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  3. Y. Thurner
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  4. R. Weber
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Dresch, T., Kramer, H., Thurner, Y. et al. Photoabsorption of sulfur dioxide cluster anions. Z Phys D - Atoms, Molecules and Clusters 20, 57–59 (1991). https://doi.org/10.1007/BF01543937

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  • DOI: https://doi.org/10.1007/BF01543937

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