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Lifetimes and oscillator strengths in the triplet system of ZnI

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Selective laser excitation was used to measure the radiative lifetimes of the ZnI triplet states 4sns 3 S 1(n=5–7) and 4snd 3 D 3,3 D 2 and3 D 1(n=4–6). These states were excited from the metastable 4s4p 3 P states, which were collisionally populated in an atomic beam. The values are compared with the results of other experimental methods (beam-foil, pulsed electron excitation, Hanle effect) and with theoretical calculations. The corresponding oscillator strengths are discussed with respect to the astrophysical determination of the Zn photospheric abundance.

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Authors and Affiliations

  1. Institut für Strahlungs- und Kernphysik der Technischen Universität, Berlin, Germany

    H. Kerkhoff, M. Schmidt & P. Zimmermann

Authors
  1. H. Kerkhoff
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  2. M. Schmidt
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  3. P. Zimmermann
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Additional information

We are grateful to E. Biemont and M. Godefroid for communicating their results on the calculation of oscillator strengths and the reassessment of the zinc solar abundance. This work was partly supported by the Sonderforschungsbereich 161 of the Deutsche Forschungsgemeinschaft.

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Kerkhoff, H., Schmidt, M. & Zimmermann, P. Lifetimes and oscillator strengths in the triplet system of ZnI. Z Physik A 298, 249–252 (1980). https://doi.org/10.1007/BF01425154

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  • DOI: https://doi.org/10.1007/BF01425154

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