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Accurate characterisation of the C(3)1Σ+ state of the NaRb molecule

  • Atomic and Molecular Collisions
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Abstract.

We present a first detailed experimental study of the C(3)1Σ+ state of the NaRb molecule converging to the Na(3p) + Rb(5s) states of separated atoms. Two different high resolution spectroscopic methods have been applied: the Fourier transform spectroscopy of laser induced fluorescence and the V-type optical-optical double resonance polarization labeling spectroscopy. The entire data field for the C1Σ+ state of Na85Rb and Na87Rb consists of rovibrational levels with v'=0–64 and J'=4–123. The data were incorporated into a direct fit of a single potential energy curve to the level energies using the Inverted Perturbation Approach method. As the experimental data extend to the “shelf" region of the potential at large internuclear separations of 8.5 Å, the C state's suitability for photoassociation yielding cold heteronuclear NaRb is discussed.

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Authors and Affiliations

  1. Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46 00-668, Warsaw, Poland

    W. Jastrzebski & P. Kortyka

  2. Institute of Experimental Physics, Warsaw University, ul. Hoza 69, 00-681, Warsaw, Poland

    P. Kowalczyk

  3. Department of Physics and Institute of Atomic Physics and Spectroscopy, University of Latvia, 19 Rainis Blvd., 1586, Riga, Latvia

    O. Docenko, M. Tamanis & R. Ferber

  4. Institut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167, Hannover, Germany

    A. Pashov, H. Knöckel & E. Tiemann

Authors
  1. W. Jastrzebski
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  2. P. Kortyka
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  3. P. Kowalczyk
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  4. O. Docenko
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  5. M. Tamanis
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  6. R. Ferber
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  7. A. Pashov
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  8. H. Knöckel
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  9. E. Tiemann
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Correspondence to H. Knöckel.

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Jastrzebski, W., Kortyka, P., Kowalczyk, P. et al. Accurate characterisation of the C(3)1Σ+ state of the NaRb molecule. Eur. Phys. J. D 36, 57–65 (2005). https://doi.org/10.1140/epjd/e2005-00186-5

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  • DOI: https://doi.org/10.1140/epjd/e2005-00186-5

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