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Laser-induced fluorescence study of the influence of N 2 and CH 4 on the 114Cd intercombination line

  • A. Bielski
  • D. Lisak
  • R.S. Trawiński
  • J. Szudy

Abstract:

Using a laser-induced fluorescence method a detailed analysis of profiles of the 114Cd 326.1 nm line perturbed by N2 and CH4 was performed which revealed deviations from the ordinary Voigt profile. These deviations are shown to be consistent with fits of experimental profiles to an asymmetric Voigt profile. Coefficients of the pressure broadening, shift and collision-time asymmetry are determined and compared with those calculated for van der Waals interaction potential.

PACS. 32.70.-n Intensities and shapes of atomic spectral lines – 33.70.-w Intensities and shapes of molecular spectral lines and bands – 34.20.-b Interatomic and intermolecular potentials and forces, potential energy surfaces for collisions 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2003

Authors and Affiliations

  • A. Bielski
    • 1
  • D. Lisak
    • 1
  • R.S. Trawiński
    • 1
  • J. Szudy
    • 1
  1. 1.Institute of Physics, Nicholas Copernicus University, Grudziadzka 5/7, 87-100 Toruń, PolandPL

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