Fine structure of the hydrogen atom

by a microwave method. Offprint from: The Physical Review, Vol. 72, No. 3, 1 August 1947 by Willis Lamb, Robert C. Retherford

$9,500 · Offered by Sophia Rare Books

First edition · Signed

Lancaster, PA and New York, NY: American Institute of Physics, 1947 . First edition, very rare offprint, signed by Lamb, who received a half-share of the 1955 Nobel Prize in Physics for this work. The Lamb-Retherford experiment of 1947 was the first to measure what is now known as the Lamb shift—the difference in energy between two energy levels 2S½ and 2P½ of the hydrogen

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