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Title: Search for neutrinoless β + EC decay of Te 120 with CUORE-0

Here, we have performed a search for neutrinoless $$\beta^{+}\hspace{-0.2em}EC$$ decay of $$^{120}$$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 $$T_{1/2}>1.6\cdot10^{21}$$ yr at $$90\%$$ CI. Combining this with results from Cuoricino, a predecessor experiment, we obtain the strongest limit to date, corresponding to $$T_{1/2}>2.7\cdot10^{21}$$ yr at $$90\%$$ CI.
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Publication Date:
Grant/Contract Number:
AC02-05CH11231; AC52-07NA27344; FG02-08ER41551; FG03-00ER41138; NSF-PHY-0605119, NSF-PHY- 0500337, NSF-PHY-0855314, NSF-PHY-0902171, NSF- PHY-0969852, NSF-PHY-1307204; NSF-PHY-1314881; NSF-PHY-1401832; NSF-PHY-1404205; SC0012654
Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 97; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); National Science Foundation (NSF)
Contributing Orgs:
CUORE Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1408488
Alternate Identifier(s):
OSTI ID: 1436546