Reports

Hydrogen Energy Levels: Perturbation Caused by Proton Structure

Science  20 Mar 1964:
Vol. 143, Issue 3612, pp. 1324-1325
DOI: 10.1126/science.143.3612.1324-a

Abstract

The shifts in the lowest electronic energy levels of the hydrogen atom caused by the extended charge distribution of the proton have been calculated and found to be of the order of the unexplained portion of the Lamb shift for these levels.

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