Improved atomic masses of Kr 84,86 and Xe 129,132

Matthew Redshaw, Brianna J. Mount, Edmund G. Myers

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Using single ions in a cryogenic Penning trap we have remeasured the atomic masses of Kr 84,86 and Xe 129,132 with the results M [Kr84] =83.911 497 731(8) u, M [Kr86] =85.910 610 628(8) u, M [Xe129] =128.904 780 859(11) u, and M [Xe132] =131.904 155 086(10) u. These results supersede those previously reported by Shi, Redshaw, and Myers [Phys. Rev A 72, 022510 (2005)], which suffered from systematic error associated with the comparison of heavy multicharged ions with singly charged reference ions.

Original languageEnglish
Article number012506
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number1
StatePublished - Jan 5 2009


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