State University of New York / Curie Institute / National Institute of Standards and Technology / Institute of Spectroscopy / /
IndustryTerm
energy levels / decay product / energy level / chemical properties / energy level tables / heaviest alkali metal / alkali metal / low ionization energy / energy level value / 221Fr energy level table / ionization energy / energy-level data / energy / /
Organization
National Institute of Standards and Technology / Institute of Spectroscopy / European Organization of Nuclear Research / USSR Academy of Sciences / Curie Institute in Paris / State University of New York / /
Person
Marguerite Perey / Joseph Reader / / /
Position
Author / Acknowledgement The author / candidate for parity non-conservation measurements / U.S. Secretary of Commerce / /
Spectroscopic Data for Neutral Francium „Fr I… J. E. Sansonettia… National Institute of Standards and Technology, Gaithersburg, Maryland 20899 共Received 8 February 2006; accepted 8 March 2006; published online 21