Two-loop self-energy correction to the ground-state Lamb shift in H-like ions
arXiv:hep-ph/0409048 · doi:10.1016/j.nimb.2005.03.141
Abstract
The two-loop self-energy correction is evaluated to all orders in Z alpha for the ground-state Lamb shift of H-like ions with Z >= 20, where Z is the nuclear charge number and alpha is the fine structure constant. The results obtained are compared with analytical calculations performed within the Z alpha expansion.
a contribution to the conference "Highly Charged Ions 2004"