arXiv:hep-ph/0211433·v1·High Energy Physics — Phenomenology
Electromagnetic corrections to p scattering length from pionic hydrogen
T. E. O. Ericson (CERN, Geneva, Switzerland, and TSL, Uppsala, Sweden) B. Loiseau (LPNHE, Universite P. & M. Curie, Paris, France) · S. Wycech (Soltan Institute for Nuclear Studies, Warszawa, Poland)
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.
Comments: 4 pages; PANIC02, XVIth Conference on Particles and Nuclei, Osaka, to appear in Nuclear Physics A