Abstract:
Radiative lifetimes of the highly exited states s and d of neutral sulphur have been measured using time-resolved laser-induced fluorescence. The sulphur atoms were generated in a laser-produced plasma. The investigated states were populated through a two-step process involving a two-photon excitation to the lowest excited triplet state of even parity , followed by a one-photon excitation to the investigated state. We obtained ns and ns. These values are much longer than theoretically predicted ones and much shorter than those indirectely inferred from astronomical data.
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Received: 9 February 1998 / Accepted: 24 February 1998
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Li, Z., Persson, A., Svanberg, S. et al. Determination of radiative lifetimes of neutral sulphur by time-resolved three-photon VUV laser spectroscopy. Eur. Phys. J. D 2, 11–14 (1998). https://doi.org/10.1007/s100530050103
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DOI: https://doi.org/10.1007/s100530050103