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Measurement of the two-neutrino double-beta decay half-life of 130 Te with the CUORE-0 experiment

  • Author(s): Alduino, C;
  • Alfonso, K;
  • Artusa, DR;
  • Avignone, FT;
  • Azzolini, O;
  • Banks, TI;
  • Bari, G;
  • Beeman, JW;
  • Bellini, F;
  • Bersani, A;
  • Biassoni, M;
  • Brofferio, C;
  • Bucci, C;
  • Camacho, A;
  • Caminata, A;
  • Canonica, L;
  • Cao, XG;
  • Capelli, S;
  • Cappelli, L;
  • Carbone, L;
  • Cardani, L;
  • Carniti, P;
  • Casali, N;
  • Cassina, L;
  • Chiesa, D;
  • Chott, N;
  • Clemenza, M;
  • Copello, S;
  • Cosmelli, C;
  • Cremonesi, O;
  • Creswick, RJ;
  • Cushman, JS;
  • D’Addabbo, A;
  • Dafinei, I;
  • Davis, CJ;
  • Dell’Oro, S;
  • Deninno, MM;
  • Di Domizio, S;
  • Di Vacri, ML;
  • Drobizhev, A;
  • Fang, DQ;
  • Faverzani, M;
  • Feintzeig, J;
  • Fernandes, G;
  • Ferri, E;
  • Ferroni, F;
  • Fiorini, E;
  • Franceschi, MA;
  • Freedman, SJ;
  • Fujikawa, BK;
  • Giachero, A;
  • Gironi, L;
  • Giuliani, A;
  • Gladstone, L;
  • Gorla, P;
  • Gotti, C;
  • Gutierrez, TD;
  • Haller, EE;
  • Han, K;
  • Hansen, E;
  • Heeger, KM;
  • Hennings-Yeomans, R;
  • Hickerson, KP;
  • Huang, HZ;
  • Kadel, R;
  • Keppel, G;
  • Kolomensky, YG;
  • Leder, A;
  • Ligi, C;
  • Lim, KE;
  • Liu, X;
  • Ma, YG;
  • Maino, M;
  • Marini, L;
  • Martinez, M;
  • Maruyama, RH;
  • Mei, Y;
  • Moggi, N;
  • Morganti, S;
  • Mosteiro, PJ;
  • Napolitano, T;
  • Nones, C;
  • Norman, EB;
  • Nucciotti, A;
  • O’Donnell, T;
  • Orio, F;
  • Ouellet, JL;
  • Pagliarone, CE;
  • Pallavicini, M;
  • Palmieri, V;
  • Pattavina, L;
  • Pavan, M;
  • Pessina, G;
  • Pettinacci, V;
  • Piperno, G;
  • Pira, C;
  • Pirro, S;
  • Pozzi, S;
  • Previtali, E;
  • Rosenfeld, C
  • et al.
Abstract

We report on the measurement of the two-neutrino double-beta decay half-life of 130Te with the CUORE-0 detector. From an exposure of 33.4 kg year of TeO2, the half-life is determined to be T1/22ν = [8.2 ± 0.2 (stat.) ± 0.6 (syst.)] × 1020 year. This result is obtained after a detailed reconstruction of the sources responsible for the CUORE-0 counting rate, with a specific study of those contributing to the 130Te neutrinoless double-beta decay region of interest.

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