Masses of Te130 and Xe130 and double-β-decay Q value of Te130

Matthew Redshaw, Brianna J. Mount, Edmund G. Myers, Frank T. Avignone

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The atomic masses of Te130 and Xe130 have been obtained by measuring cyclotron frequency ratios of pairs of triply charged ions simultaneously trapped in a Penning trap. The results, with 1 standard deviation uncertainty, are M(Te130)=129.906222744(16) u and M(Xe130)=129.903509351(15) u. From the mass difference the double-β-decay Q value of Te130 is determined to be Qββ(Te130)=2527.518(13)keV. This is a factor of 150 more precise than the result of the AME2003.

Original languageEnglish
Article number212502
JournalPhysical Review Letters
Issue number21
StatePublished - May 26 2009


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