Electromagnetic corrections to $\pi ^-$p scattering length from pionic hydrogen
High Energy Physics - Phenomenology
2009-02-11 v1
Abstract
We derive a closed, model space independent, expression for the electromagnetic correction factor to the scattering length extracted from a hydrogenic atom with an extended charge to order and in the limit of a short ranged hadronic interaction.
Cite
@article{arxiv.hep-ph/0211433,
title = {Electromagnetic corrections to $\pi ^-$p scattering length from pionic hydrogen},
author = {T. E. O. Ericson and B. Loiseau and S. Wycech},
journal= {arXiv preprint arXiv:hep-ph/0211433},
year = {2009}
}
Comments
4 pages; PANIC02, XVIth Conference on Particles and Nuclei, Osaka, to appear in Nuclear Physics A