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Precise Optical Measurement of Lamb Shifts in Atomic Hydrogen

D. J. Berkeland, E. A. Hinds, and M. G. Boshier
Phys. Rev. Lett. 75, 2470 – Published 25 September 1995
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Abstract

We have measured the combination of hydrogen Lamb shifts L1S5L2S+4L4P by comparing the frequencies of the 1S2S and 2S4P transitions. The measurement determines the 1S Lamb shift to be 8 172 827(51) kHz, the most precise value for any Lamb shift. The theoretical predictions for L1S are 8 172 802(30) and 8 172 654(40) kHz, corresponding to proton charge radius values of 0.862(12) and 0.805(11) fm, respectively.

  • Received 27 April 1995

DOI:https://doi.org/10.1103/PhysRevLett.75.2470

©1995 American Physical Society

Authors & Affiliations

D. J. Berkeland, E. A. Hinds, and M. G. Boshier

  • Physics Department, Yale University, P.O. Box 208120, New Haven, Connecticut 06520-8120

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Issue

Vol. 75, Iss. 13 — 25 September 1995

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