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Kinetic energy release during evaporation from large sodium clusters

Zeitschrift für Physik D Atoms, Molecules and Clusters, ISSN: 0178-7683, Vol: 34, Issue: 4, Page: 251-256
1995
  • 20
    Citations
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Metrics Details

  • Citations
    20
    • Citation Indexes
      20
  • Captures
    1

Article Description

We have measured the distribution of momenta of atoms evaporating from large sodium clusters produced in a supersonic expansion source. The distributions are well described by phase space theory when polarization effects are included in the atomic capture cross section. Alternatively, the data can be fitted by a simple powerlaw preexponential. The cluster temperature extracted from both models differ, but still agree reasonable well with evaporative ensemble predictions. The data rule out a non-trivial transition state. © 1995 Springer-Verlag.

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