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Energies and transition rates for Be-like ions (Xe LI - Ce LV)

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Abstract

Energy levels, wavelengths, oscillator strengths, transition probabilities and lifetimes have been calculated for Be-like Xe, Cs, Ba, La, and Ce ions among the fine-structure levels of terms belonging to the 2s2, 2s2p, 2p2, 2s3s, 2s3p, 2s3d, and 2p3d configurations. The calculations have been performed using the fully relativistic multiconfiguration Dirac-Fock (MCDF) method, taking the quantum electrodynamic corrections (QED) into account. The results are compared with the available other theoretical results.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh, Egypt

    Fatma El-Sayed & S. M. Attia

  2. Physics Department, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia

    Fatma El-Sayed, Manal Khered & S. M. Attia

Authors
  1. Fatma El-Sayed
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  2. Manal Khered
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  3. S. M. Attia
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Correspondence to Fatma El-Sayed.

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El-Sayed, F., Khered, M. & Attia, S.M. Energies and transition rates for Be-like ions (Xe LI - Ce LV). Eur. Phys. J. Plus 130, 104 (2015). https://doi.org/10.1140/epjp/i2015-15104-7

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  • DOI: https://doi.org/10.1140/epjp/i2015-15104-7

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