Joshua M. Grossman
Possibilities for francium spectroscopy in a light trap
J. A. Behr, Sydney B. Cahn, S. B. Dutta +6 more
Laser spectroscopy and lifetime measurements on trapped francium
John Simsarian
High efficiency francium trap for precision spectroscopy
S. Aubin
Francium atoms trapped
Gene D. Sprouse
Laser trapping of radioactive francium atoms
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Creating, Cooling, Trapping Francium Atoms
I. Peterson