Abstract
The lifetime of the 2p 10(3 S 1) level in the NeI 2p 53p configuration has been measured by means of the cascade-free two-step excitation technique of beam-gas-dye laser spectroscopy. The lifetime determined is τ=(25.43±0.09) ns, where the uncertainty quoted corresponds to one standard deviation. By using the same excitation technique the absolute transition probabilities of all fine-structure transitions from 2p 10 to the four levels 1s i(i=2⋯5) in the 2p 53s configuration have been measured, too. The high level of experimental accuracy attained enables a comparative evaluation of the theoretical methods used in the literature to calculate the radial and angular parts of the transition integrals.
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Prof. Dr. phil. Hans Boersch on the occasion of his 75th birthday
Financial support from the Deutsche Forschungsgemeinschaft is gratefully acknowledged.
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Hartmetz, P., Schmoranzer, H. Lifetime and absolute transition probabilities of the 2p 10(3 S 1) level of NeI by beam-gas-dye laser spectroscopy. Z Physik A 317, 1–8 (1984). https://doi.org/10.1007/BF01420441
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DOI: https://doi.org/10.1007/BF01420441