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Experimental and theoretical investigation of radiative lifetimes in neutral gallium

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Using laser spectroscopic techniques the natural radiative lifetimes of 4s 2 n 1 s 2 S and 4s 2 n 2 d 2 D states of neutral gallium have been measured forn 1 = 6 to 11 andn 2 = 4 to 9. These states, as well as previously measured4s 2 np 2 P states, have been investigated theoretically using multi-configuration Hartree-Fock calculations. Oscillator strengths to all lower-lying states have been calculated and theoretical lifetimes of the investigated states evaluated. The2 D sequence is strongly influenced by the 4s4p 2 2 D perturber, and strong cancellation effects in the radiative decay are observed both theoretically and experimentally.

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Author notes

  1. W. X. Peng

    Present address: Department of Physics, Jilin University Changchun, P.R. China

  2. T. Brage

    Present address: Department of Physics, University of Lund, S-22362, Lund, Sweden

  3. C. Froese Fischer

    Present address: Department of Computer Science, Vanderbilt University, 37235, Nashville, TN, USA

Authors and Affiliations

  1. Department of Physics, Lund Institute of Technology, Lund, Sweden

    J. Carlsson, H. Lundberg, W. X. Peng, A. Persson & C. G. Wahlström

  2. Argonne National Laboratory, Argonne, Illinois, USA

    T. Brage & C. Froese Fischer

Authors
  1. J. Carlsson
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  2. H. Lundberg
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  3. W. X. Peng
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  4. A. Persson
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  5. C. G. Wahlström
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  6. T. Brage
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  7. C. Froese Fischer
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Carlsson, J., Lundberg, H., Peng, W.X. et al. Experimental and theoretical investigation of radiative lifetimes in neutral gallium. Z Phys D - Atoms, Molecules and Clusters 3, 345–351 (1986). https://doi.org/10.1007/BF01437190

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  • DOI: https://doi.org/10.1007/BF01437190

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