Hyperfine splitting in muonium and positronium

Michael I. Eides, Valery A. Shelyuto

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Calculation of hard three-loop corrections of order mα7 to hyperfine splitting in muonium and positronium is reviewed. All these contributions are generated by the graphs with photon, electron and/or muon loop radiative insertions in the two-photon exchange diagrams. We calculate contributions of six gauge invariant sets of diagrams.

Original languageEnglish
Article number1645034
JournalInternational Journal of Modern Physics A
Volume31
Issue number28-29
DOIs
StatePublished - Oct 20 2016

Bibliographical note

Funding Information:
The work of V.S. was supported in part by the RFBR grant 14-02-00467.

Publisher Copyright:
© 2016 World Scientific Publishing Company.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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