Electron Magnetic Moment Anomaly
Measures a deviation of the electron magnetic moment from the simplest Dirac prediction, providing another key test for quantum electrodynamics.
Explore 112 historical events and records for United States of America in 1947.
Sorted by month and day. Records with no month are shown last. Showing 32 of 112 unique records.
Measures a deviation of the electron magnetic moment from the simplest Dirac prediction, providing another key test for quantum electrodynamics.
Polykarp Kusch's precision measurements challenged the simplest magnetic moment prediction for the electron. Its significance included improved measurement or operational reliability.
The US & British authorize the German Economic Council, the basis for self-Government
Singer Mahalia Jackson inaugurates "golden age of gospel music"
Moves with his family to Hibbing, Minnesota.
First elected Republican member of the US House of Representatives
Willis Lamb and Robert Retherford observed a small separation between atomic energy levels previously treated as degenerate. The advance provided methods later adopted by other engineers.
The British support Byrnes proposals, Russia & France do not support them. Invites the other 3 German occupying powers to join their zones together
The British support Byrnes proposals, Russia & France do not support them. Invites the other 3 German occupying powers to join their zones together
The Flick, IG Farben and Krupp proceedings test individual responsibility for forced labour, plunder and corporate participation in the Nazi war economy.
Oppenheimer accepted an offer from Lewis Strauss to take up the directorship of the Institute for Advanced Study in Princeton, New Jersey
Shaw became managing director of the developing International Trade Mart in New Orleans after returning from military service.
With Robert Retherford, measures a small shift between hydrogen electron energy levels that becomes a decisive test of quantum electrodynamics.
Calculates the radiative correction explaining the measured shift between hydrogen electron energy levels.
With Willis Lamb, measures the small separation between hydrogen electron levels predicted equal by Dirac theory.
Asimov published Little Lost Robot, investigating modified robotic safeguards and their unforeseen risks.
Appointed President of the American Association for the Advancement of Science
With John Bardeen, demonstrates transistor amplification by controlling electron and hole flow through a germanium semiconductor.
Appointed Secretary of State for Defence
Appointed Secretary of State
Explains how electronic surface states affect semiconductor behaviour, helping guide the Bell Labs transistor experiments.
Opens the Singapore Supper Club
Tennessee Williams's A Streetcar Named Desire premiered on Broadway, depicting Blanche DuBois's fraught arrival in New Orleans.
Participates in the first observation of visible synchrotron radiation emitted by relativistic electrons circulating in a synchrotron.
Hubble publishes an assessment of the 200-inch Hale telescope and the astronomical problems it could address, outlining how the larger aperture would extend extragalactic observations beyond Mount Wilson's limits.
Directs, "The Lady from Shanghai"
Publication of "The Struggle for the World"
Publication of "The Struggle for the World"
Uses the Truman Doctrine to defend US interests in Germany against Russian expansion
Invites the other 3 German occupying powers to join their zones together
The US & British authorize the German Economic Council, the basis for self-Government
Uses the Truman Doctrine to defend US interests in Germany against Russian expansion
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