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Ziurys Group Rotational Spectroscopy Research
Arizona Radio Observatory

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Spectra and Hamiltonians

3Δ

FeC Spectrum

FeC Stick Spectrum

The Ω = 2 spin orbit component is shifted to a higher frequency due to a perturbation between the X3Δ2 and a1Δ2 states.

H(effective) = H(rotation) + H(spin orbit) + H(spin spin)

r