Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-06-11
Phys.Atom.Nucl. 57 (1994) 1240-1256; Yad.Fiz. 57N6 (1994) 1309-1325
Physics
High Energy Physics
High Energy Physics - Phenomenology
34 pages, Penn State Preprint PSU/TH/129, June 10, 1993
Scientific paper
Contributions to HFS and to the Lamb shift intervals of order $\alpha^2(Z\alpha)^5$ induced by graphs with two radiative photons inserted in the electron line are considered. It is demonstrated that this last gauge invariant set of diagrams which are capable of producing corrections of considered order consists of nineteen topologically different diagrams. Contributions both to HFS and Lamb shift induced by graphs containing one-loop electron self-energy as a subgraph and also by the graph containing two one-loop vertices are obtained.
Eides Michael I.
Karshenboim Savely G.
Shelyuto Valery A.
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