Abstract

A two-color three-photon ionization technique, using two pulsed dye lasers, was employed to explore the high-lying energy levels of U i. A number of new U i levels in the 34 290–35 120-cm⁻¹ region was observed. Uncertainty in the assignment of J values to some levels known from earlier studies was also reduced or removed.

© 1987 Optical Society of America

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