Abnormal branching ratios in laser-excited Rydberg series of Yb[sup +]

Xu, Xiaozhong; Zhao, RC; Huang, W.; Xu, C. B.; Xue, Ping

doi:10.1063/1.52207

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2002

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“…The Rydberg states of Yb + have been the subject of recent, but very limited, investigations. More specifically, the abnormal branching ratios in laser-excited series of this ion have been investigated by Zhao et al (1996) and by Xu et al (1997). Laser lifetime measurements, however, for highly excited levels along the series, are missing so far.…”

Section: Introductionmentioning

confidence: 99%

Lifetime measurements and calculations in singly ionized ytterbium

Biémont

Quinet

Dai

et al. 2002

J. Phys. B: At. Mol. Opt. Phys.

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New radiative lifetimes, measured by time-resolved laser-induced fluorescence spectroscopy, are reported for five Rydberg states of singly ionized ytterbium. Free Yb + ions were produced in a laser-induced plasma. The experimental results have been compared with HFR calculations, taking core-polarization effects into account, and a good agreement (within 25%) between theory and experiment is observed for four levels. HFR results are also proposed for np (n 7) and nf(n 8) Rydberg states and compared with available data.

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Section: Introductionmentioning

confidence: 99%