Search for neutrinoless β[superscript +] EC Decay of [superscript 120]Te with CUORE-0
Name
PhysRevC.97.055502.pdf
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1.06 MB
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Author(s)
Alduino, C.
Alfonso, K.
Artusa, D. R.
Avignone, F. T.
Azzolini, O.
Bari, G.
Bellini, F.
Benato, G.
Bersani, A.
Biassoni, M.
Date Issued
May 2018
Journal
Physical Review C
Publisher
American Physical Society
Citation
Alduino, C., et al. “Search for Neutrinoless β[superscript +] EC Decay of [superscript 120]Te with CUORE-0.” Physical Review C, vol. 97, no. 5, May 2018. © 2018 American Physical Society
Version
Final published version
Abstract
We have performed a search for neutrinoless β[superscript+] EC decay of [superscript 120]Te using the final CUORE-0 data release. We describe a new analysis method for the simultaneous fit of signatures with different event topology, and of data subsets with different signal efficiency, obtaining a limit on the half-life of the decay of T[subscript 1/2]>1.6×10[superscript 21] yr at 90% credibility interval (CI). Combining this with results from Cuoricino, a predecessor experiment, we obtain the strongest limit to date, corresponding to T[subscript 1/2]>2.7×10[superscript 21] yr at 90% CI.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevC.97.055502
