Model independent analysis of proton structure for hydrogenic bound states
arXiv:1103.4617 · doi:10.1103/PhysRevLett.107.160402
Abstract
Proton structure effects in hydrogenic bound states are analyzed using nonrelativistic QED effective field theory. Implications for the Lamb shift in muonic hydrogen are discussed. Model-dependent assumptions in previous analyses are isolated, and sensitivity to poorly constrained hadronic structure in the two-photon exchange contribution is identified.
5 pages, 1 figure. v2: PRL version