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  • Colloquium: Dr. Gerald Gwinner
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Colloquium: Dr. Gerald Gwinner

Department of Physics & Astronomy
University of Manitoba
Winnipeg, MB

Fundamental Symmetry Tests with Cooled Atoms: From Lorentz Invariance to Parity

Tests of fundamental symmetries greatly benefit from the unrivaled precision of atomic physics measurements, in particular with cooled atoms and ions, and as a result numerous best limits on 'new physics' beyond the Standard Model are set by atomic physics experiments. I will present a test of Lorentz invariance via the most precise measurement of relativistic time dilation using laser spectroscopy with electron-cooled Li+ ions in heavy-ion storage rings (1). In addition, I will discuss progress towards an atomic parity violation experiment with laser-cooled and trapped francium atoms at the radioactive beam facility ISAC at TRIUMF.

(1) Reinhardt et al., Nature Physics 3, 861 (2007), Novotny et al., Physical Review A 80, 022107 (2009)

Department of Physics & Astrophysics
Witmer Hall Room 213
101 Cornell St Stop 7129
Grand Forks, ND 58202-7129
P 701.777.2911
physics@UND.edu
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