Search for neutrinoless β[superscript +] EC Decay of [superscript 120]Te with CUORE-0

Search for neutrinoless β[superscript +] EC Decay of [superscript 120]Te with CUORE-0

We have performed a search for neutrinoless β[superscript+] EC decay of [superscript 120]Te using the final CUORE-0 data release. We describe a new analysis method for the simultaneous fit of signatures with different event topology, and of data subsets with different signal efficiency, obtaining a...

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Bibliographic Details
Main Authors: Alduino, C., Alfonso, K., Artusa, D. R., Avignone, F. T., Azzolini, O., Bari, G., Bellini, F., Benato, G., Bersani, A., Biassoni, M., Branca, A., Brofferio, C., Bucci, C., Camacho, A., Caminata, A., Cao, X. G., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cassina, L., Chiesa, D., Chott, N., Clemenza, M., Copello, S., Cosmelli, C., Cremonesi, O., Creswick, R. J., Cushman, J. S., D'Addabbo, A., D'Aguanno, D., Dafinei, I., Davis, C. J., Dell'Oro, S., Deninno, M. M., Di Domizio, S., Di Vacri, M. L., Drobizhev, A., Fang, D. Q., Faverzani, M., Ferri, E., Ferroni, F., Fiorini, E., Franceschi, M. A., Freedman, S. J., Fujikawa, B. K., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gutierrez, T. D., Han, K., Heeger, K. M., Hennings-Yeomans, R., Huang, H. Z., Keppel, G., Kolomensky, Yu. G., Ligi, C., Lim, K. E., Ma, Y. G., Marini, L., Martinez, M., Maruyama, R. H., Mei, Y., Moggi, N., Morganti, S., Mosteiro, P. J., Nagorny, S. S., Napolitano, T., Nastasi, M., Nones, C., Norman, E. B., Novati, V., Nucciotti, A., O'Donnell, T., Pagliarone, C. E., Pallavicini, M., Palmieri, V., Pattavina, L., Pavan, M., Pessina, G., Pira, C., Pirro, S., Pozzi, S., Previtali, E., Rosenfeld, C., Rusconi, C., Sakai, M., Sangiorgio, S., Santone, D., Schmidt, B., Schmidt, J., Scielzo, N. D., Singh, V., Sisti, M., Taffarello, L., Terranova, F., Tomei, C., Vignati, M., Wagaarachchi, S. L., Wang, B. S., Wang, H. W., Welliver, B., Wilson, J., Wise, T., Woodcraft, A., Zanotti, L., Zhang, G. Q., Zimmermann, S., Zucchelli, S., Canonica, Lucia, Gladstone, Laura, Leder, Alexander Friedrich, Ouellet, Jonathan L, Winslow, Lindley
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: American Physical Society 2018
Online Access:http://hdl.handle.net/1721.1/116593
https://orcid.org/0000-0002-0195-2295
https://orcid.org/0000-0003-1429-1104
https://orcid.org/0000-0002-9970-108X
Description
Summary:We have performed a search for neutrinoless β[superscript+] EC decay of [superscript 120]Te using the final CUORE-0 data release. We describe a new analysis method for the simultaneous fit of signatures with different event topology, and of data subsets with different signal efficiency, obtaining a limit on the half-life of the decay of T[subscript 1/2]>1.6×10[superscript 21] yr at 90% credibility interval (CI). Combining this with results from Cuoricino, a predecessor experiment, we obtain the strongest limit to date, corresponding to T[subscript 1/2]>2.7×10[superscript 21] yr at 90% CI.

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