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Search for double-β decay of 130Te to the first 0+ excited state of 130Xe with the CUORICINO experiment bolometer array
- Andreotti, E;
- Arnaboldi, C;
- Avignone, FT;
- Balata, M;
- Bandac, I;
- Barucci, M;
- Beeman, JW;
- Bellini, F;
- Brofferio, C;
- Bryant, A;
- Bucci, C;
- Canonica, L;
- Capelli, S;
- Carbone, L;
- Carrettoni, M;
- Clemenza, M;
- Cremonesi, O;
- Creswick, RJ;
- Di Domizio, S;
- Dolinski, MJ;
- Ejzak, L;
- Faccini, R;
- Farach, HA;
- Ferri, E;
- Fiorini, E;
- Foggetta, L;
- Giachero, A;
- Gironi, L;
- Giuliani, A;
- Gorla, P;
- Guardincerri, E;
- Gutierrez, TD;
- Haller, EE;
- Kazkaz, K;
- Kogler, L;
- Kraft, S;
- Maiano, C;
- Martinez, C;
- Martinez, M;
- Maruyama, RH;
- Newman, S;
- Nisi, S;
- Nones, C;
- Norman, EB;
- Nucciotti, A;
- Orio, F;
- Pallavicini, M;
- Palmieri, V;
- Pattavina, L;
- Pavan, M;
- Pedretti, M;
- Pessina, G;
- Pirro, S;
- Previtali, E;
- Risegari, L;
- Rosenfeld, C;
- Rusconi, C;
- Salvioni, C;
- Sangiorgio, S;
- Schaeffer, D;
- Scielzo, ND;
- Sisti, M;
- Smith, AR;
- Tomei, C;
- Ventura, G;
- Vignati, M
- et al.
Published Web Location
https://doi.org/10.1103/physrevc.85.045503Abstract
The CUORICINO experiment was an array of 62 TeO2 single-crystal bolometers with a total 130Te mass of 11.3kg. The experiment finished in 2008 after more than 3 yr of active operating time. Searches for both 0ν and 2ν double-β decay to the first excited 0+ state in 130Xe were performed by studying different coincidence scenarios. The analysis was based on data representing a total exposure of N(130Te)•t=9.5×1025yr. No evidence for a signal was found. The resulting lower limits on the half-lives are T122ν(130Te→130Xe*)>1. 3×1023yr (90% C.L.), and T120ν(130Te →130Xe*)>9.4×1023yr (90% CL). ©2012 American Physical Society.
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