Effects of the strong Breit interaction on the 2s2p-1s2s transitions of inner shell hole states of Helium-like ions
arxiv(2024)
Abstract
We have calculated the transition energies and probabilities of one-electron
one photon and one-electron two photon transitions of middle-Z and high-Z
He-like ions using the fully relativistic multiconfiguration Dirac-Hartree-Fock
method with active space method. The relativistic, electron correlation, Breit
and QED effects are systemically taken into account in the present work.
Results showcase consistent agreement with the experimental and theoretical
data, uncovering intriguing inversion phenomena in One-Electron One-Photon
transitions energy, particularly in double-hole states. Theoretical spectra
intensities provide valuable insights into high-energy X-ray radiation
processes from double K-hole states.
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