| ATOMIC AND MOLECULAR PHYSICS |
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Lifetime Measurement for 6snp Rydberg States of Barium |
| SHEN Li1,2, WANG Lei2, YANG Hai-Feng2, LIU Xiao-Jun2, LIU Hong-Ping2**
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1School of Science, Tianjin University of Technology, Tianjin 300384
2State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
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| Cite this article: |
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SHEN Li, WANG Lei, YANG Hai-Feng et al 2011 Chin. Phys. Lett. 28 043101 |
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Abstract We present a simple and efficient method for measuring the atomic lifetimes in order of tens of microseconds and demonstrate it in the lifetime determination of barium Rydberg states. This method extracts the lifetime information from the time-of-flight spectrum directly, which is much more efficient than other methods such as the time-delayed field ionization and the traditional laser induced fluorescence. The lifetimes determined with our method for barium Rydberg 6snp (n=37–59) series are well coincident with the values deduced from the absolute oscillator strengths of barium which were given in the literature [J. Phys. B 14 (1981) 4489, 29 (1996) 655] on experiments.
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| Keywords:
31.15.Ag
32.70.Cs
31.15.X-
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Received: 17 September 2010
Published: 29 March 2011
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| PACS: |
31.15.ag
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(Excitation energies and lifetimes; oscillator strengths)
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32.70.Cs
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(Oscillator strengths, lifetimes, transition moments)
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31.15.X-
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(Alternative approaches)
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