The Journal of Chemical Physics · 1959 · 61 citations · 9 references
Natural SciencesPhysicsAtomic PhysicsNuclear PhysicsSpectroscopyAbsorption SpectroscopyAtomic Absorption SpectroscopyAtomic SpectraAtomic SpectroscopyInorganic SpectroscopyNuclear SpectroscopyAbsorption SpectrumNuclear Energy LevelsSpin-orbit Coupling Effects
The absorption spectrum of U4+ has been observed from 2000 A to 8μ. All the terms that can arise from two f electrons have been found. Terms have been assigned to all the absorption peaks. The radial integral, F2, is found to be 206 cm—1 and the spin-orbit coupling ζ5f is 1870 cm—1.
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