Transition energies of neutral and singly ionized lanthanum

Abstract

We have calculated the transition energies (ionization potential, excitation energies, electron affinity) of neutral lanthanum (La I) and singly ionized lanthanum (La II). The calculations are based upon the multiconfiguration Hartree-Fock (MCHF) method within the framework of Breit-Pauli relativistic corrections. These energies are important for determination of physical and chemical properties for La I and La II. Results obtained have been compared with other works.

Transition Energies of Ytterbium (Z=70)

“…Also, configuration sets for the electron affinity calculations of ytterbium are given in Table 2. We reported similar calculations for lanthanum [53,54] and lutetium [55,56]. In addition, we presented some radiative properties for ytterbium [57].…”

Energy Levels and the Landé -Factors for Singly Ionized Lanthanum

“…We have performed the atomic structure calculations on lanthanide atoms and ions, systematically. We reported some works related to these atoms and ions using the methods mentioned above [31][32][33][34][35][36][37][38][39][40][41][42]. In addition, we presented the energies of 5d 2 , 5d6s, 6s 2 , and 6p 2 excited levels and ionization energy for La II by the MCHF+BP method [34].…”

Transition Parameters for Doubly Ionized Lutetium

“…14 np (n = 6−30) excited levels of Lu III [15]. In addition, we reported various atomic structure calculations such as energy levels, transition energies, hyperne structure, lifetimes, and electric dipole transitions for some lanthanides (La I-III, Lu I-III, and Yb I-III) [1627].…”