Spectroscopy of Na3

  • M. Broyer
  • G. Delacrétaz
  • P. Labastie
  • R. L. Whetten
  • J. P. Wolf
  • L. Wöste
Conference paper


The excitation spectrum of Na3 was systematically investigated from 700 to 330 nm. Four excited states were observed. One of them exhibits fractional quantization of the vibronic pseudorotation which constitutes the first direct verification of the adiabatic sign-change theorem. Photofragmentation is studied by depletion spectroscopy and the 420 nm system is found to be completely predissociated. The structure of the ground state and the ionization potential are also measured.


Ionization Threshold Fractional Quantization Direct Verification Supersonic Molecular Beam Conic Intersec 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • M. Broyer
    • 1
  • G. Delacrétaz
    • 2
  • P. Labastie
    • 1
  • R. L. Whetten
    • 3
  • J. P. Wolf
    • 2
  • L. Wöste
    • 2
  1. 1.Laboratoire de Spectrométrie Ionique et Moléculaire (associé au CNRS n° 171)Université Lyon IVilleurbanne CedexFrance
  2. 2.Institut de Physique ExpérimentaleEcole Polytechnique Fédérale de Lausanne PHB-EcublensLausanneSwitzerland
  3. 3.Department of Chemistry and Biochemistry, Solid State Science CenterUniversity of CaliforniaLos AngelesUSA

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