Energy Levels, Transition Probabilities and Electron-Impact Excitations Of Ge-Like Pr, Nd, Pm, Sm and Eu ions

2010/11/10 by O Nagy, O. Nagy, Nagy, O. +3
Decision Sciences · Physics and Astronomy · #Advanced Frequency and Time Standards #Atomic Physics (physics.atom-ph) #Atomic and Molecular Physics #FOS: Physical sciences #Scientific Measurement and Uncertainty Evaluation #physics.atom-ph

paper · pdf · doi:10.48550/arxiv.1011.2327

6 pages, 5 figures, 16 tables

arxiv created 2010/11/10 · openalex publication_date 2010/11/10 · arxiv updated 2010/11/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Energies, wavelengths, transition probabilities, and oscillator strengths have been calculated for the 4s24p2-4s4p3, 4s24p2-4s24p4d and 4s4p3-4p4 allowed transitions in heavy Ge-like ions with Z=59-63. The fully relativistic Multiconfiguration Dirac-Fock (MCDF) method taking into account both the correlations within the n=4 complex and the quantum electrodynamic (QED) effects have been used in the calculations. MCDFGME code is used to calculate electron impact excitation cross sections for the 4s24p2-4s4p3 and 4s24p2-4s24p4d transitions with plane-wave Born approximation. The results of Pr XXVIII, Nd XXIX, Pm XXX, Sm XXXI and Eu XXXII are compared with HFR method results.

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