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Lifetime measurements of the 3D3/2 and 3D5/2 metastable states in CaII

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

The lifetime of the metastable 3D3/2 and 3D5/2 states of Ca+ ions is determined in a r.f. ion trap by laser excitation of this levels and subsequent time delayed probing of the state population by a second laser. In a buffer gas atmosphere of about 10−5−10−6 mbar of He we observe quenching to the ground state and strong finestructure mixing of the two D-states. This mixing allowes only the determination of the combined lifetime. Our result of τ(3D)=1.24(39) s is in good agreement with theoretical calculations.

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Authors and Affiliations

  1. Institut für Physik, Johannes Gutenberg-Universität Mainz, W-6500, Mainz, Germany

    F. Arbes, T. Gudjons, F. Kurth & G. Werth

  2. Laboratorio Europeo di Spettroscopie Non-Lineari, Florence, Italy

    F. Marin & M. Inguscio

Authors
  1. F. Arbes
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  2. T. Gudjons
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  3. F. Kurth
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  4. G. Werth
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  5. F. Marin
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  6. M. Inguscio
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Arbes, F., Gudjons, T., Kurth, F. et al. Lifetime measurements of the 3D3/2 and 3D5/2 metastable states in CaII. Z Phys D - Atoms, Molecules and Clusters 25, 295–298 (1993). https://doi.org/10.1007/BF01437293

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  • DOI: https://doi.org/10.1007/BF01437293

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