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Radiative lifetimes of highly excited odd-parity levels of neutral lanthanum

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  • Atomic Physics
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Abstract

New radiative lifetimes of 24 high-lying odd-parity levels of neutral lanthanum are reported using time-resolved laser-induced fluorescence (TR-LIF) spectroscopy. The investigated levels ranging from 34 213 to 40 910 cm-1 were excited from the ground or metastable states using one-photon excitation. La atoms are produced by laser ablation on a solid La sample. The lifetimes were evaluated from transient LIF signals detected with a fast detection system. The obtained lifetime results, generally with uncertainties less than  ±7%, are in the range from 15.7 to 121 ns.

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Authors and Affiliations

  1. College of Physics, Jilin University, Changchun, 130012, P.R. China

    Y. Y. Feng, Q. Wang, L. Y. Jiang, Z. K. Jiang & Z. W. Dai

  2. Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Changchun, 130012, P.R. China

    Y. Y. Feng, Q. Wang, L. Y. Jiang, Z. K. Jiang & Z. W. Dai

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  1. Y. Y. Feng
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  2. Q. Wang
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  3. L. Y. Jiang
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  4. Z. K. Jiang
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  5. Z. W. Dai
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Correspondence to Z. W. Dai.

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Feng, Y.Y., Wang, Q., Jiang, L.Y. et al. Radiative lifetimes of highly excited odd-parity levels of neutral lanthanum. Eur. Phys. J. D 65, 299–302 (2011). https://doi.org/10.1140/epjd/e2011-20459-6

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  • DOI: https://doi.org/10.1140/epjd/e2011-20459-6

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