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Measurement of the 2νββ Decay Half-Life of Te 130 with CUORE

Author(s)
Winslow, Lindley; Canonica, L.; Johnston, J.; Mayer, D.; Ouellet, J. L.
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Abstract
We measured two-neutrino double beta decay of ^{130}Te using an exposure of 300.7 kg yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra to experimental data, it was possible to disentangle all the major background sources and precisely measure the two-neutrino contribution. The half-life is in agreement with past measurements with a strongly reduced uncertainty: T_{1/2}^{2ν}=7.71_{-0.06}^{+0.08}(stat)_{-0.15}^{+0.12}(syst)×10^{20}  yr. This measurement is the most precise determination of the ^{130}Te 2νββ decay half-life to date.
Date issued
2021
URI
https://hdl.handle.net/1721.1/142350
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Winslow, Lindley. 2021. "Measurement of the 2νββ Decay Half-Life of Te 130 with CUORE." Physical Review Letters, 126 (17).
Version: Final published version

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