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Home > Physics Letters B (Elsevier) > Radiative nonrecoil nuclear finite size corrections of order α ( Zα ) 5 to the Lamb shift in light muonic atoms |

Faustov, R.N. (Institute of Informatics in Education, FRC CSC RAS, Vavilov Str. 40, Moscow, 119333, Russia) ; Martynenko, A.P. (Samara University, Moskovskoye Shosse 34, Samara, 443086, Russia) ; Martynenko, F.A. (Samara University, Moskovskoye Shosse 34, Samara, 443086, Russia) ; Sorokin, V.V. (Samara University, Moskovskoye Shosse 34, Samara, 443086, Russia)

27 October 2017

**Abstract: **On the basis of quasipotential method in quantum electrodynamics we calculate nuclear finite size radiative corrections of order α(Zα)5 to the Lamb shift in muonic hydrogen and helium. To construct the interaction potential of particles, which gives the necessary contributions to the energy spectrum, we use the method of projection operators to states with a definite spin. Separate analytic expressions for the contributions of the muon self-energy, the muon vertex operator and the amplitude with spanning photon are obtained. We present also numerical results for these contributions using modern experimental data on the electromagnetic form factors of light nuclei.

**Published in: ****Physics letters B (2017)**
**Published by: **Elsevier

**DOI: **10.1016/j.physletb.2017.10.056

**License: **CC-BY-3.0