Measurement of the $2\nu\beta\beta$ Decay Half-Life of $^{130}\mathrm{Te}$ with CUORE
- Adams, D.Q.
- Alduino, C.
- Alfonso, K.
- Avignone, F.T.
- Azzolini, O.
- Bari, G.
- Bellini, F.
- Benato, G.
- Biassoni, M.
- Branca, A.
- Brofferio, C.
- Bucci, C.
- Camilleri, J.
- Caminata, A.
- Campani, A.
- Canonica, L.
- Cao, X.G.
- Capelli, S.
- Cappelli, L.
- Cardani, L.
- Carniti, P.
- Casali, N.
- Chiesa, D.
- Clemenza, M.
- Copello, S.
- Cosmelli, C.
- Cremonesi, O.
- Creswick, R.J.
- d'Addabbo, A.
- Dafinei, I.
- Davis, C.J.
- Dell'Oro, S.
- Di Domizio, S.
- Dompè, V.
- Fang, D.Q.
- Fantini, G.
- Faverzani, M.
- Ferri, E.
- Ferroni, F.
- Fiorini, E.
- Franceschi, M.A.
- Freedman, S.J.
- Fu, S.H.
- Fujikawa, B.K.
- Giachero, A.
- Gironi, L.
- Giuliani, A.
- Gorla, P.
- Gotti, C.
- Gutierrez, T.D.
- Han, K.
- Heeger, K.M.
- Huang, R.G.
- Huang, H.Z.
- Johnston, J.
- Keppel, G.
- Kolomensky, Yu. G.
- Ligi, C.
- Ma, L.
- Ma, Y.G.
- Marini, L.
- Maruyama, R.H.
- Mayer, D.
- Mei, Y.
- Moggi, N.
- Morganti, S.
- Napolitano, T.
- Nastasi, M.
- Nikkel, J.
- Nones, C.
- Norman, E.B.
- Nucciotti, A.
- Nutini, I.
- O'Donnell, T.
- Ouellet, J.L.
- Pagan, S.
- Pagliarone, C.E.
- Pagnanini, L.
- Pallavicini, M.
- Pattavina, L.
- Pavan, M.
- Pessina, G.
- Pettinacci, V.
- Pira, C.
- Pirro, S.
- Pozzi, S.
- Previtali, E.
- Puiu, A.
- Rosenfeld, C.
- Rusconi, C.
- Sakai, M.
- Sangiorgio, S.
- Schmidt, B.
- Scielzo, N.D.
- Sharma, V.
- Singh, V.
- Sisti, M.
- Speller, D.
- Surukuchi, P.T.
- Taffarello, L.
- Terranova, F.
- Tomei, C.
- Vetter, K.J.
- Vignati, M.
- Wagaarachchi, S.L.
- Wang, B.S.
- Welliver, B.
- Wilson, J.
- Wilson, K.
- Winslow, L.A.
- Zimmermann, S.
- Zucchelli, S.
Publication date
January 2021
DOI Publisher
American Physical Society (APS)Abstract
International audienceWe measured two-neutrino double beta decay of Te130 using an exposure of 300.7 kg yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra to experimental data, it was possible to disentangle all the major background sources and precisely measure the two-neutrino contribution. The half-life is in agreement with past measurements with a strongly reduced uncertainty: T1/22ν=7.71-0.06+0.08(stat)-0.15+0.12(syst)×1020 yr. This measurement is the most precise determination of the Te130 2νββ decay half-life to date
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