130Te Neutrinoless Double-Beta Decay with CUORICINO
E. Andreotti, C. Arnaboldi, F. T. Avignone III, M. Balata, I. Bandac,, M. Barucci, J. W. Beeman, F. Bellini, C. Brofferio, A. Bryant, C. Bucci, L., Canonica, S. Capelli, L. Carbone, M. Carrettoni, M. Clemenza, O. Cremonesi,, R. J. Creswick, S. Di Domizio, M. J. Dolinski
TL;DR
The CUORICINO experiment searched for neutrinoless double-beta decay in tellurium-130, setting a new lower limit on its half-life and constraining the neutrino Majorana mass, advancing the understanding of neutrino properties.
Contribution
This paper reports the final results of CUORICINO, providing the most stringent lower bound on 130Te neutrinoless double-beta decay half-life to date.
Findings
Lower bound on 130Te 0νββ half-life is 2.8×10^{24} years at 90% C.L.
Upper bound on neutrino Majorana mass ranges from 300 to 710 meV.
Systematic uncertainties were thoroughly examined and included in the analysis.
Abstract
We report the final result of the CUORICINO experiment. Operated between 2003 and 2008, with a total exposure of 19.75 kg y of 130Te, CUORICINO was able to set a lower bound on the 130Te 0nDBD half-life of 2.8 10^{24} years at 90% C.L. The limit here reported includes the effects of systematic uncertainties that are examined in detail in the paper. The corresponding upper bound on the neutrino Majorana mass is in the range 300--710 meV, depending on the adopted nuclear matrix element evaluation.
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