Double-$\beta${}-decay Q values of Se74 and Ge76
- 23 March 2010
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 81 (3)
- https://doi.org/10.1103/physrevc.81.032501
Abstract
The atomic masses of , , , and have been determined from cyclotron frequency ratios of pairs of ions simultaneously trapped in a cryogenic Penning trap. Allowing for cancellation of systematic errors in the mass differences between isobars, we determine the value for double-electron capture of to be 1209.240(7) keV, and the value for double-electron emission of to be 2039.061(7) keV. The new value for precludes a large resonant enhancement for neutrinoless double-electron capture. DOI: http://dx.doi.org/10.1103/PhysRevC.81.032501 © 2010 The American Physical Society
Keywords
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