Physics – Quantum Physics
Scientific paper
2007-08-28
Physics
Quantum Physics
4 pages, 4 figures
Scientific paper
10.1103/PhysRevA.76.051402
Optical trapping of selected species of radioactive atoms has great potential in precision measurements for testing fundamental physics such as EDM, PNC and parity violating beta-decay asymmetry correlation coefficients. We report trapping of 10^4 radioactive ^{82}Rb atoms (t_{1/2}=75 s) with a trap lifetime of ~55 seconds in an optical dipole trap. Transfer efficiency from the magneto-optical trap was ~14%. We further report the evidence of spontaneous spin polarization of the atoms in optical dipole trap loading. This advancement is an important step towards a new generation of precision J-beta correlations measurements with polarized ^{82}Rb atoms.
Feldbaum D.
Vieira Daniel
Wang Hai-Hong
Weinstein Jared
Zhao Xiaopeng
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