Two-Loop Electron Factor Contribution to Lamb Shift in Muonium and Positronium
High Energy Physics - Phenomenology
2023-08-16 v3 Atomic Physics
Abstract
We calculate hard spin-independent contributions to energy levels in muonium and positronium which are due to radiatively corrected electron factor insertion in two-photon exchange diagrams. Calculation of these corrections is motivated by the new round of precise measurements of spin-independent transition frequencies in muonium and positronium.
Cite
@article{arxiv.2306.07748,
title = {Two-Loop Electron Factor Contribution to Lamb Shift in Muonium and Positronium},
author = {Michael I. Eides and Valery A. Shelyuto},
journal= {arXiv preprint arXiv:2306.07748},
year = {2023}
}
Comments
7 pages, 3 figures