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Enhanced radiative auger emission from lithiumlike20Ca17+

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Radiative Auger emission (RAE) from lithiumlike20Ca17+ projectiles excited in collisions with He has been measured. The intensity of RAE photons relative to Kα x-ray emission is enhanced by a factor of 10 – 17 compared with theoretical calculations for ions with few electron vacancies. The enhancement of RAE for Ca17+ is consistent with the results reported previously for lithiumlike16S13+ and23V20+ and indicates a systematic dependence on Z. Both the enhancement and the relative RAE transition rate increase with Z.

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Authors and Affiliations

  1. Western Michigan University, 49008, Kalamazoo, MI, USA

    E. M. Bernstein, M. W. Clark & J. A. Tanis

  2. Queen's University, BT7 1NN, Belfast, Northern Ireland, UK

    W. G. Graham

  3. Wesleyan University, 06457, Middletown, CT, USA

    T. J. Morgan

  4. Kansas State University, 66506, Manhattan, KS, USA

    M. P. Stöckli

  5. Lawrence Berkeley Laboratory, 94720, Berkeley, CA, USA

    K. H. Berkner, A. S. Schlachter & J. W. Stearns

Authors
  1. E. M. Bernstein
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  2. M. W. Clark
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  3. J. A. Tanis
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  4. W. G. Graham
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  5. T. J. Morgan
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  6. M. P. Stöckli
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  7. K. H. Berkner
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  8. A. S. Schlachter
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  9. J. W. Stearns
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Bernstein, E.M., Clark, M.W., Tanis, J.A. et al. Enhanced radiative auger emission from lithiumlike20Ca17+ . Z Phys D - Atoms, Molecules and Clusters 21 (Suppl 1), S231–S232 (1991). https://doi.org/10.1007/BF01426301

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