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Inversion analysis of K 2 coupled electronic states with the Fourier grid method

  • Ch. Lisdat
  • O. Dulieu
  • H. Knöckel
  • E. Tiemann

Abstract:

We present a new determination of the potential curves and interactions of the coupled electronic states A 1 Σ + u and b 3 Π u of the potassium dimer, based on new laser spectroscopy measurements within a molecular beam, combined with data available in the literature. We used a new global deperturbation approach, involving the Fourier Grid Hamiltonian method for energy level calculation. A standard deviation of 1.2 is obtained corresponding to a variance of 7.5×10 -3 cm-1, representing a significant improvement compared to the standard deviation of 4 yielded by the traditional local deperturbation approach.

PACS. 32.80.Pj Optical cooling of atoms; trapping – 34.50.Rk Laser-modified scattering and reactions 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2001

Authors and Affiliations

  • Ch. Lisdat
    • 1
  • O. Dulieu
    • 2
  • H. Knöckel
    • 1
  • E. Tiemann
    • 1
  1. 1.Institut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyDE
  2. 2.Laboratoire Aimé Cotton (UPR 3321 du CNRS), CNRS, bâtiment 505, Campus d'Orsay, 91405 Orsay Cedex, FranceFR

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