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Simultaneous optical excitation of Na electronic and CF4 vibrational modes in Na+CF4 collisions

J. Chem. Phys. 129, 201102 (2008); doi:10.1063/1.3028653

Published 24 November 2008

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V. A. Alekseev,1 J. Grosser,2 O. Hoffmann,2 and F. Rebentrost3
1Department of Physics, St. Petersburg State University, Peterhof 198504, Russia
2Institut für Gravitationsphysik, Leibniz Universität Hannover, 30167 Hannover, Germany
3Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany

We report on the ultraviolet excitation of Na(3s)+CF4 collision pairs in a crossed molecular beam experiment. We observe Na(3d) collision products originating from the process Na(3s)+CF4(nu3=0)+hnu-->Na(3d)+CF4(nu3=1). The spectral intensity distribution of the collision products and the prevailing small angle scattering confirm a previously proposed long range dipole-dipole mechanism. We report velocity-resolved spectra and a comparison to preliminary numerical results based on collisional broadening theory. Polarization experiments suggest future potential for the observation of collision geometries. ©2008 American Institute of Physics
History: Received 30 September 2008; accepted 30 October 2008; published 24 November 2008
Permalink: http://link.aip.org/link/?JCPSA6/129/201102/1
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KEYWORDS and PACS

Keywords
PACS
  • 34.50.Ez
    Rotational and vibrational energy transfer (atoms and molecules)
  • 32.80.-t
    Photoionization and excitation of atoms
  • 32.70.Fw
    Atomic absolute and relative intensities
  • 33.70.Fd
    Molecular absolute and relative line and band intensities
  • 31.50.Df
    Potential energy surfaces for excited electronic states (atoms and molecules)
  • 33.80.-b
    Photon interactions with molecules
  • YEAR: 2008

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PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
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REFERENCES (10)

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  1. J. Grosser, O. Hoffmann, and F. Rebentrost, in Atomic and Molecular Beams. The State of the Art 2000, edited by R. Campargue (Springer, New York, 2001), p. 485.
  2. T. Schmidt, C. Figl, A. Grimpe, J. Grosser, O. Hoffmann, and F. Rebentrost, Phys. Rev. Lett. 92, 033201 (2004).
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  8. G. Herzberg, Molecular Spectra and Molecular Structure II: Infrared and Raman Spectra of Polyatomic Molecules (Van Nostrand, Toronto, 1957).
  9. L. I. Gudzenko and S. I. Yakovlenko, Zh. Eksp. Teor. Fiz. 62, 1686 (1972).
  10. S. Geltman, Phys. Rev. A 35, 3775 (1987), and references therein.

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