Lamb shift in He+: Resolution of a discrepancy between theory and experiment
copyright American Physical Society http://dx.doi.org/10.1103/PhysRevA.63.012505
The Lamb shift in helium ions were investigated to verify or remove a discrepancy between theory and experiment by the anisotropy method. The method was used for the elimination of residual polarization sensitivity of the photon detectors. The results showed that the experimental value of a Lamb shift were in agreement with the theoretical values.