Double-beta decay of 130Te to the first 0 + excited state of 130Xe with CUORE-0

Alduino, C; Alfonso, K; Artusa, D; Avignoneiii, F; Azzolini, O; Banks, T; Bari, G; Beeman, J; Bellini, F; Bersani, A; Biassoni, M; Brofferio, C; Bucci, C; Camacho, A; Caminata, A; Canonica, L; Cao, X; 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, R; Cushman, J; D'Addabbo, A; Dafinei, I; Davis, C; Dell'Oro, S; Deninno, M; Domizio, S; Vacri, M; Drobizhev, A; Fang, D; Faverzani, M; Feintzeig, J; Fernandes, G; Ferri, E; Ferroni, F; Fiorini, E; Franceschi, M; Freedman, S; Fujikawa, B; Giachero, A; Gironi, L; Giuliani, A; Gladstone, L; Gorla, P; Gotti, C; Gutierrez, T; Haller, E; Han, K; Hansen, E; Heeger, K; Hennings-Yeomans, R; Hickerson, K; Huang, H; Kadel, R; Keppel, G; Kolomensky, Y; Leder, A; Ligi, C; Lim, K; Liu, X; Y. G., M; Maino, M; Marini, L; Martinez, M; Maruyama, R; Mei, Y; Moggi, N; Morganti, S; Mosteiro, P; Napolitano, T; Nones, C; Norman, E; Nucciotti, A; O'Donnell, T; Orio, F; Ouellet, J; Pagliarone, C; Pallavicini, M; Palmieri, V; Pattavina, L; Pavan, M; Pessina, G; Pettinacci, V; Piperno, G; Pira, C; Pirro, S; Pozzi, S; Previtali, E; Rosenfeld, C; Rusconi, C; Sangiorgio, S; Santone, D; Scielzo, N; Singh, V; Sisti, M; Smith, A; Taffarello, L; Tenconi, M; Terranova, F; Tomei, C; Trentalange, S; Vignati, M; Wagaarachchi, S; Wang, B; Wang, H; Wilson, J; Winslow, L; Wise, T; Woodcraft, A; Zanotti, L; Zhang, G; Zhu, B; Zimmermann, S; Zucchelli, S

doi:10.1140/epjc/s10052-019-7275-5

We report on a search for double beta decay of 130Te to the first 0 + excited state of 130Xe using a 9.8kg·yr exposure of 130Te collected with the CUORE-0 experiment. In this work we exploit different topologies of coincident events to search for both the neutrinoless and two-neutrino double beta decay modes. We find no evidence for either mode and place lower bounds on the half-lives: T01+0ν>7.9·1023yr and T01+2ν>2.4·1023yr (90%CL). Combining our results with those obtained by the CUORICINO experiment, we achieve the most stringent constraints available for these processes: T01+0ν>1.4·1024yr and T01+2ν>2.5·1023yr (90%CL).

Alduino, C., Alfonso, K., Artusa, D., Avignoneiii, F., Azzolini, O., Banks, T., et al. (2019). Double-beta decay of 130Te to the first 0 + excited state of 130Xe with CUORE-0. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 79(9) [10.1140/epjc/s10052-019-7275-5].