QED calculation of two-electron one-photon transition probabilities in He-like ions

Konstantin N. Lyashchenko, Oleg Yu. Andreev, and Deyang Yu
Phys. Rev. A 104, 012818 – Published 29 July 2021

Abstract

We consider theoretically the process of two-electron one-photon (TEOP) transitions to the ground state with the emission of a single Kαα photon in a He-like sequence of atomic ions: from boron to uranium. The corresponding transition probabilities and transition energies are calculated within the QED theory. The calculations of the transition probabilities are performed in various gauges. The intensity ratios between the TEOP transitions and the other major transitions are presented.

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  • Received 27 April 2021
  • Revised 8 July 2021
  • Accepted 13 July 2021

DOI:https://doi.org/10.1103/PhysRevA.104.012818

©2021 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Konstantin N. Lyashchenko*

  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Oleg Yu. Andreev

  • Department of Physics, St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia and Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre “Kurchatov Institute”, Gatchina, Leningrad District 188300, Russia

Deyang Yu

  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China and University of Chinese Academy of Sciences, Beijing 100049, China

  • *k.n.lyashenko@impcas.ac.cn

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Vol. 104, Iss. 1 — July 2021

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