Phys. Rev. A 68, 042106 (2003) [10 pages]Polarization operator contributions to the Lamb shift and hyperfine splittingReceived 19 May 2003; published 9 October 2003 We calculate radiative corrections to the Lamb shift of order α3(Zα)5m and radiative corrections to hyperfine splitting of order α3(Zα)EF generated by the diagrams with insertions of radiative photons and electron polarization loops in the graphs with two external photons. We also obtain the radiative-recoil correction to hyperfine splitting in muonium generated by the diagrams with the τ polarization loop. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.68.042106
DOI:
10.1103/PhysRevA.68.042106
PACS:
12.20.Ds, 31.30.Jv, 32.10.Fn, 36.10.Dr
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