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Search for double-beta decay of Te-130 to the first 0(+) excited state of Xe-130 with the CUORICINO experiment bolometer array
Journal article   Open access

Search for double-beta decay of Te-130 to the first 0(+) excited state of Xe-130 with the CUORICINO experiment bolometer array

E. Andreotti, C. Arnaboldi, F. T. Avignone, M. Balata, I. Bandac, M. Barucci, J. W. Beeman, F. Bellini, C. Brofferio, A. Bryant, …
Physical review. C, Nuclear physics, v 85(4)
16 Apr 2012
url
https://doi.org/10.1103/physrevc.85.045503View
Accepted (AM)Open Access (Publisher-Specific) Open
url
https://doi.org/10.1103/PhysRevC.85.045503View
Published, Version of Record (VoR) Open

Abstract

Physical Sciences Physics Physics, Nuclear Science & Technology
The CUORICINO experiment was an array of 62 TeO2 single-crystal bolometers with a total Te-130 mass of 11.3 kg. The experiment finished in 2008 after more than 3 yr of active operating time. Searches for both 0 nu and 2 nu double-beta decay to the first excited 0(+) state in Xe-130 were performed by studying different coincidence scenarios. The analysis was based on data representing a total exposure of N(Te-130)center dot t = 9.5 x 10(25) yr. No evidence for a signal was found. The resulting lower limits on the half-lives are T-1/2(2 nu) (Te-130 -> Xe-130*) > 1.3 x 10(23) yr (90% C.L.), and T-1/2(0 nu) (Te-130 -> Xe-130*) > 9.4 x 10(23) yr (90% CL).

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Physics, Nuclear
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