Phys.Rev.Lett. 123, 262501 (2019)

O.Azzolini, J.W.Beeman, F.Bellini, M.Beretta, M.Biassoni, C.Brofferio, C.Bucci, S.Capelli, L.Cardani, P.Carniti, N.Casali, D.Chiesa, M.Clemenza, O.Cremonesi, A.Cruciani, I.Dafinei, S.Di Domizio, F.Ferroni, L.Gironi, A.Giuliani, P.Gorla, C.Gotti, G.Keppel, J.Kotila, M.Martinez, S.Nagorny, M.Nastasi, S.Nisi, C.Nones, D.Orlandi, L.Pagnanini, M.Pallavicini, L.Pattavina, M.Pavan, G.Pessina, V.Pettinacci, S.Pirro, S.Pozzi, E.Previtali, A.Puiu, C.Rusconi, K.Schaffner, C.Tomei, M.Vignati, A.Zolotarova

Evidence of Single State Dominance in the Two-Neutrino Double-β Decay of ⁸²Se with CUPID-0

RADIOACTIVITY ⁸²Se(2β^-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T_1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.123.262501