Abstract

A theoretical calculation of the even configurations 5d 6s², 5d² 6s, 5d³ of La i is presented, which fits the known energy levels well, and predicts the unknown levels.

© 1967 Optical Society of America

Zeeman-Effect Analysis of the Spectrum of Neutral Gadolinium (Gd i)

Eric H. Pinnington
J. Opt. Soc. Am. 57(10) 1252-1259 (1967)

Level Structure of Singly Ionized Thulium (Tm ii)†

Nissan Spector
J. Opt. Soc. Am. 57(3) 312-317 (1967)

Zeeman Effect and Configuration Interaction in Germanium*

Kenneth L. Andrew, Robert D. Cowan, and Athos Giacchetti
J. Opt. Soc. Am. 57(6) 715-727 (1967)

Perturbations and Coupling in the d⁹sp Configurations of Cu i, Zn ii, Ag i, Cd ii, and Tl iii

William C. Martin and Jack Sugar
J. Opt. Soc. Am. 59(10) 1266-1280 (1969)

4f¹²(³H₆)6s6p Levels of Neutral Erbium (Er i)†

Nissan Spector
J. Opt. Soc. Am. 57(3) 308-311 (1967)