Precision measurement of the 1{ital S} ground-state Lamb shift in atomic hydrogen and deuterium by frequency comparison

Journal Article · Sun Oct 01 00:00:00 EDT 1995 · Physical Review A

DOI:https://doi.org/10.1103/PhysRevA.52.2664· OSTI ID:118443

Weitz, M; Huber, A; Schmidt-Kaler, F; Leibfried, D; Vassen, W; Zimmermann, C; Pachucki, K; Haensch, T W ^[1]; Julien, L; Biraben, F ^[2]

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1. Max-Planck-Institut fuer Quantenoptik, 85748 Garching (Germany)
2. Laboratoire Kastler Brossel, Universite Pierre et Marie Curie, 75230 Paris Cedex 05 (France)

We have measured the hydrogen and deuterium 1{ital S} Lamb shift by direct optical frequency comparison of the 1{ital S}-2{ital S} and 2{ital S}-4{ital S}/4{ital D} two-photon transitions. Our result of 8172.874(60) MHz for the 1{ital S} Lamb shift in hydrogen is in agreement with the theoretical value of 8172.802(40) MHz. For the 1{ital S} Lamb shift in deuterium, we obtain a value of 8183.807(78) MHz, from which we derive a deuteron matter radium of 1.945(28) fm. The precision of our value for the 1{ital S} Lamb shift has surpassed that of radio frequency measurements of the 2{ital S}-2{ital P} Lamb shift. By comparison with a recent absolute measurement of the hydrogen 1{ital S}-2{ital S} transition frequency, we deduce a value for the Rydberg constant {ital R}{sub {infinity}}=109 737.315 684 9(30) cm{sup {minus}1}.

• OSTI ID: 118443
• Journal Information: Physical Review A, Vol. 52, Issue 4; Other Information: PBD: Oct 1995
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
DEUTERIUM
LAMB SHIFT
HYDROGEN
RYDBERG CONSTANT
ACCURACY
ERRORS
GROUND STATES
S STATES