Answers are grounded in this paper and cite their sources.
The radiative correction to the decay 2S1/2→1S1/2+1γ in hydrogenlike atoms is calculated to relative order α. All terms of order αlnα and α are found to cancel. The cancellation of the order-α terms does not occur in other relativistic $M1$ transitions in hydrogenlike atoms.
No takes yet. Share an insight, caveat, or question.
Lin et al. (1974) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: