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Upcoming Colloquia
May 14
Jerry Gabrielse (Harvard University)
Title: Antihydrogen in Its Ground State and the Antiproton Magnetic Moment
Abstract: A 25 year quest has yielded antihydrogen atoms that are confined in an Ioffe trap for 15-1000 s-long enough to ensure that they reach their ground state. The long term goal is precise laser spectroscopic comparisons between antihydrogen and hydrogen atoms. The possibility to compare the antiproton and proton magnetic moments 1000 times more precisely is demonstrated with one trapped proton. The antiproton measurement is underway. A brief mention of a new measurement of the electric dipole moment of the electron will be made given the contributions that UW as made to using such measurements to test the standard model of particle physics.
Recent Department News
On May 1, the National Academy of Sciences announced that James M. Bardeen, Professor emeritus, and Ann E. Nelson, Professor, have been elected to membership in the NAS, one of the highest honors for a scientist.
Jim Bardeen is a theoretical physicist who has specialized in General Relativity. Among his achievements, he discovered what is termed the "Bardeen vacuum", an exact solution to Einstein's equations of General Relativity. |
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| Ann Nelson is also a theoretical physicist, specializing in the physics of particles and fields. She is especially noted for her work on the dynamical breaking of Supersymmetry, and developed a theory of mass-varying neutrinos that relates the neutrino property to the mysterious "dark energy" in the universe. |
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