作者: F. Xie , K.V. Minaev , V.B. Sovkov , V.S. Ivanov , D. Li
DOI: 10.1016/J.CPLETT.2010.05.060
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摘要: Abstract Fine and hyperfine structures observed in the perturbation facilitated optical–optical double resonance (PFOODR) excitation spectra of K 2 3 Σ g + state are analyzed within a model isolated multiplet using case b βS basis. It is concluded that Fermi contact spin–spin interactions play leading role. The values interaction constants derived from their fitting to experimental data.