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In physics, the Lamb shift, named after Willis Lamb, is an anomalous difference in energy between two electron orbitals in a hydrogen atom. The difference was not predicted by theory and it cannot be derived from the Dirac equation , which predicts identical energies.
Willis Eugene Lamb Jr. (/ l æ m /; July 12, 1913 – May 15, 2008) was an American physicist who won the Nobel Prize in Physics in 1955 "for his discoveries concerning the fine structure of the hydrogen spectrum."
1947 – Willis Lamb and Robert Retherford measure the small energy shift (the Lamb shift) between the 2 S 1/2 and 2 P 1/2 orbitals of hydrogen, providing a great stimulus to the development of quantum electrodynamics. 1949 – Hydrodesulfurization (catalytic reforming) is commercialized under the name "platforming process".
In 1947, Willis Lamb and Robert Retherford measured the minute difference in the 2 S 1/2 and 2 P 1/2 energy levels of the hydrogen atom, also called the Lamb shift. By ignoring the contribution of photons whose energy exceeds the electron mass, Hans Bethe successfully estimated the numerical value of the Lamb shift.
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There he obtained his PhD with advisor Willis Lamb with a dissertation on measurement of the Lamb shift in singly ionized helium. [1] From 1953 to 1954 Lipworth held a fellowship with RCA. He also was a consultant at the Brookhaven National Laboratory and received research grants from the National Science Foundation. [2]
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By the time he got off work at 8 p.m., he’d missed the day with his 2-year-old and 4-year-old children and spent 36 hours straight at work. Long shifts with little rest and last-minute schedule ...