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Nastasi, M. Pallavicini, M. Pavan, M. Vignati, N. Casali, O. Azzolini, O. Cremonesi, P. Carniti, P. Gorla, S. Capelli, S. Di Domizio, S. Nagorny, S. Nisi, S. Pirro, S. Pozzi, V. Pettinacci","submitted_at":"2019-09-08T07:12:26Z","abstract_excerpt":"We report on the measurement of the two-neutrino double-$\\beta$ decay of $^{82}$Se performed for the first time with cryogenic calorimeters, in the framework of the CUPID-0~experiment. With an exposure of 9.95 kg$\\times$yr of Zn$^{82}$Se, we determine the two-neutrino double-$\\beta$ decay half-life of $^{82}$Se with an unprecedented precision level, $T_{1/2}^{2\\nu} = [8.60 \\pm 0.03 \\textrm{(stat.)}~^{+0.17}_{-0.10} \\textrm{(syst.)}] \\times 10^{19}~\\textrm{yr}$. 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Cruciani, A. Giuliani, A. Puiu, A. Zolotarova, C. Brofferio, C. Bucci, C. Gotti, C. Nones, C. Rusconi, C. Tomei, D. Chiesa, D. Orlandi, E. Previtali, F. Bellini, F. Ferroni, G. Keppel, G. Pessina, I. Dafinei, J. Kotila, J.W. Beeman, K. Sch\\\"affner, L. Cardani, L. Gironi, L. Pagnanini, L. Pattavina, M. Beretta, M. Biassoni, M. Clemenza, M. Martinez, M. Nastasi, M. Pallavicini, M. Pavan, M. Vignati, N. Casali, O. Azzolini, O. Cremonesi, P. Carniti, P. Gorla, S. Capelli, S. Di Domizio, S. Nagorny, S. Nisi, S. Pirro, S. Pozzi, V. Pettinacci","submitted_at":"2019-09-08T07:12:26Z","abstract_excerpt":"We report on the measurement of the two-neutrino double-$\\beta$ decay of $^{82}$Se performed for the first time with cryogenic calorimeters, in the framework of the CUPID-0~experiment. 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