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Theoretical lifetimes for certain O II levels

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

We report theoretical lifetimes for O II 3p 4Do, 3p′ 2Do and 3d 4D1/2, 3/2, 5/2, 7/2 levels, as well as certain other O II low lying levels, calculated using a four component relativistic Configuration Interaction method. The results for the first two terms agree with previously reported theoretical results, thus emphasizing the need for reevaluation of earlier beam-foil experimental studies. Significant LS mixing between 3d 4P and 3d 4D1/2, 3/2, 5/2 levels is shown to affect the corresponding 4D lifetimes, demonstrating the necessity for a relativistic description even for a system as light as O II. The calculated average lifetime of the 3d 4D term shows good agreement with a recent experimental measurement.

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Author notes

  1. Tapan Nandi

    Present address: Nuclear Science Centre, Atomic Physics Group, P.B. No. 10502, Aruna Asaf Ali Marg, New Delhi, 110 067, India

Authors and Affiliations

  1. Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, P.O. Box 1527, GR-71 110, Heraklion, Crete, Greece

    P. Marketos

  2. Tata Institute of Fundamental Research, Colaba, Bombay, 400005, India

    Tapan Nandi

  3. Forth-Art&T, 8, Alopekis Street, GR-106 75, Kolonaki, Greece

    P. Marketos

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  1. P. Marketos
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  2. Tapan Nandi
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Correspondence to P. Marketos.

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Marketos, P., Nandi, T. Theoretical lifetimes for certain O II levels. Z Phys D - Atoms, Molecules and Clusters 42, 237–242 (1997). https://doi.org/10.1007/s004600050361

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  • DOI: https://doi.org/10.1007/s004600050361

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